ramcard.sch@ 10d0d41

main

Last change on this file since 10d0d41 was 10d0d41, checked in by Adrien Destugues <pulkomandy@…>, 13 years ago

Create Gordon card.

git-svn-id: svn://pulkomandy.tk/avrstuff@39 c6672c3c-f6b6-47f9-9001-1fd6b12fecbe

Property mode set to 100644

File size: 28.3 KB

Line
1	EESchema Schematic File Version 2 date 01/05/2011 14:51:06
2	LIBS:device
3	LIBS:power
4	LIBS:transistors
5	LIBS:conn
6	LIBS:linear
7	LIBS:74xx
8	LIBS:special
9	LIBS:interface
10	LIBS:contrib
11	LIBS:valves
12	LIBS:dips-s
13	LIBS:flashmemory
14	LIBS:ramcard-cache
15	EELAYER 25 0
16	EELAYER END
17	$Descr User 11000 8000
18	encoding utf-8
19	Sheet 1 1
20	Title "Ramcard"
21	Date "1 may 2011"
22	Rev ""
23	Comp "Ram7"
24	Comment1 "Retro analyzed from PCB"
25	Comment2 ""
26	Comment3 ""
27	Comment4 ""
28	$EndDescr
29	Text GLabel 6850 3850 2 60 Output ~ 0
30	WRITE
31	Text Label 8400 2400 0 60 ~ 0
32	IS2
33	Text Label 8400 2300 0 60 ~ 0
34	IS0
35	Text Label 8400 2500 0 60 ~ 0
36	IS1
37	NoConn ~ 8000 5250
38	Wire Wire Line
39	6800 5350 6800 5550
40	Connection ~ 8900 5750
41	Wire Wire Line
42	8550 5750 9200 5750
43	Connection ~ 1050 3350
44	Wire Wire Line
45	8900 5750 8900 5900
46	Connection ~ 3450 2650
47	Wire Wire Line
48	3650 2650 3650 2550
49	Wire Wire Line
50	3650 2550 3450 2550
51	Wire Wire Line
52	3450 2550 3450 2750
53	Wire Wire Line
54	5950 2100 6100 2100
55	Wire Wire Line
56	2050 2950 2000 2950
57	Wire Wire Line
58	2050 2750 2000 2750
59	Wire Wire Line
60	1550 2850 1800 2850
61	Wire Wire Line
62	7750 1650 7450 1650
63	Connection ~ 7750 1650
64	Wire Wire Line
65	3400 6350 3400 6250
66	Wire Wire Line
67	3900 5850 4000 5850
68	Wire Wire Line
69	4850 6250 4850 6350
70	Wire Wire Line
71	5950 2800 6150 2800
72	Wire Bus Line
73	2650 4550 2650 4350
74	Wire Wire Line
75	4950 2100 5150 2100
76	Wire Bus Line
77	4850 1600 4850 900
78	Wire Wire Line
79	5150 1600 5000 1600
80	Wire Wire Line
81	5150 1500 5000 1500
82	Wire Wire Line
83	5150 1400 5000 1400
84	Wire Wire Line
85	5150 1300 5000 1300
86	Wire Wire Line
87	5150 1200 5000 1200
88	Wire Wire Line
89	5150 1100 5000 1100
90	Wire Wire Line
91	5150 1000 5000 1000
92	Wire Wire Line
93	5150 900 5000 900
94	Wire Wire Line
95	5950 1500 6100 1500
96	Wire Wire Line
97	5950 1300 6100 1300
98	Wire Wire Line
99	5950 1100 6100 1100
100	Wire Wire Line
101	5950 900 6100 900
102	Wire Wire Line
103	5950 2000 6250 2000
104	Wire Wire Line
105	5950 1800 6250 1800
106	Wire Bus Line
107	6250 1700 6250 2000
108	Wire Wire Line
109	5150 1700 4850 1700
110	Connection ~ 1600 2650
111	Connection ~ 1550 3600
112	Wire Wire Line
113	5200 3950 5350 3950
114	Connection ~ 3850 2850
115	Wire Wire Line
116	9300 3250 9300 3350
117	Wire Wire Line
118	4950 2900 5150 2900
119	Wire Bus Line
120	10300 1750 10300 650
121	Connection ~ 7600 1650
122	Wire Wire Line
123	7600 1500 7600 1650
124	Connection ~ 7450 2150
125	Wire Wire Line
126	7750 2150 7450 2150
127	Connection ~ 6950 2700
128	Wire Wire Line
129	6950 2300 6950 3150
130	Connection ~ 7150 3150
131	Wire Wire Line
132	6950 3150 7250 3150
133	Wire Wire Line
134	7150 3300 7150 3150
135	Wire Bus Line
136	800 900 800 1100
137	Wire Wire Line
138	3850 2200 3850 2350
139	Wire Wire Line
140	6200 5350 6500 5350
141	Wire Wire Line
142	5000 5450 5000 5250
143	Wire Notes Line
144	450 1900 4550 1900
145	Wire Notes Line
146	7450 4100 7450 3450
147	Wire Notes Line
148	7450 3450 6800 3450
149	Wire Wire Line
150	5200 4350 5300 4350
151	Wire Wire Line
152	8000 4550 8200 4550
153	Wire Wire Line
154	6500 4450 6800 4450
155	Wire Wire Line
156	950 1600 1050 1600
157	Wire Bus Line
158	2900 6750 3100 6750
159	Wire Wire Line
160	2250 7150 2450 7150
161	Wire Wire Line
162	950 7050 1050 7050
163	Wire Wire Line
164	5950 3200 6100 3200
165	Wire Wire Line
166	5950 3000 6100 3000
167	Wire Wire Line
168	5950 800 6100 800
169	Wire Wire Line
170	5150 2200 4950 2200
171	Wire Wire Line
172	5150 2600 4950 2600
173	Wire Wire Line
174	5150 2800 4950 2800
175	Wire Wire Line
176	5150 3100 4950 3100
177	Wire Wire Line
178	1100 5850 1000 5850
179	Wire Wire Line
180	4900 2400 5150 2400
181	Wire Wire Line
182	4900 2300 5150 2300
183	Wire Wire Line
184	1100 6050 1100 6200
185	Wire Wire Line
186	1100 6200 2300 6200
187	Wire Wire Line
188	2300 6200 2300 6500
189	Wire Wire Line
190	2300 5950 2450 5950
191	Wire Notes Line
192	4450 4050 350 4050
193	Wire Wire Line
194	900 5400 900 5350
195	Wire Wire Line
196	900 5350 1050 5350
197	Wire Wire Line
198	2450 5050 2650 5050
199	Wire Wire Line
200	2450 4850 2650 4850
201	Wire Wire Line
202	2050 3450 1850 3450
203	Wire Wire Line
204	2050 3250 1850 3250
205	Wire Wire Line
206	8300 3000 8600 3000
207	Connection ~ 1800 2150
208	Wire Wire Line
209	1800 2350 1800 2150
210	Wire Wire Line
211	1900 2450 1900 2150
212	Wire Wire Line
213	1900 2150 1600 2150
214	Wire Wire Line
215	1550 2750 1700 2750
216	Connection ~ 1150 2750
217	Wire Wire Line
218	1150 2650 1150 2950
219	Connection ~ 3800 1600
220	Wire Wire Line
221	3800 1500 3800 1600
222	Wire Wire Line
223	950 1400 1050 1400
224	Wire Wire Line
225	1550 2950 1900 2950
226	Wire Wire Line
227	2250 1600 2400 1600
228	Wire Wire Line
229	2250 1400 2400 1400
230	Wire Wire Line
231	2250 1200 2400 1200
232	Wire Wire Line
233	2250 1000 2400 1000
234	Connection ~ 3550 1500
235	Wire Wire Line
236	3550 900 3550 1600
237	Connection ~ 3550 1300
238	Connection ~ 3550 1100
239	Wire Wire Line
240	2800 1500 3150 1500
241	Wire Wire Line
242	2800 1300 3150 1300
243	Wire Wire Line
244	2800 1100 3150 1100
245	Wire Wire Line
246	2800 900 3150 900
247	Wire Wire Line
248	2800 1000 3150 1000
249	Wire Wire Line
250	2800 1200 3150 1200
251	Wire Wire Line
252	2800 1400 3150 1400
253	Wire Wire Line
254	2800 1600 3150 1600
255	Connection ~ 3550 1000
256	Connection ~ 3550 1200
257	Connection ~ 3550 1400
258	Wire Wire Line
259	2250 900 2400 900
260	Wire Wire Line
261	2250 1100 2400 1100
262	Wire Wire Line
263	2250 1300 2400 1300
264	Wire Wire Line
265	2250 1500 2400 1500
266	Wire Wire Line
267	3450 3450 3650 3450
268	Wire Wire Line
269	3550 1600 3950 1600
270	Wire Wire Line
271	3800 1000 3800 850
272	Connection ~ 1150 2850
273	Wire Wire Line
274	1150 2800 900 2800
275	Wire Wire Line
276	900 2800 900 2850
277	Connection ~ 1150 2800
278	Wire Wire Line
279	1550 2650 1600 2650
280	Wire Wire Line
281	1700 2250 1700 2150
282	Connection ~ 1700 2150
283	Wire Wire Line
284	1850 2150 1850 2050
285	Connection ~ 1850 2150
286	Wire Wire Line
287	2050 3150 1850 3150
288	Wire Wire Line
289	2050 3350 1850 3350
290	Wire Wire Line
291	2450 4750 2650 4750
292	Wire Wire Line
293	2450 4950 2650 4950
294	Wire Wire Line
295	2450 4350 2650 4350
296	Wire Wire Line
297	2450 4450 2650 4450
298	Wire Wire Line
299	2450 4550 2650 4550
300	Wire Wire Line
301	2450 4650 2650 4650
302	Wire Notes Line
303	4550 450 4550 5550
304	Wire Notes Line
305	4550 5550 450 5550
306	Wire Wire Line
307	900 5250 1050 5250
308	Wire Wire Line
309	900 6400 1100 6400
310	Wire Wire Line
311	5150 3200 4900 3200
312	Wire Wire Line
313	4900 3200 4900 3300
314	Wire Wire Line
315	900 6600 1100 6600
316	Wire Notes Line
317	2900 6750 450 6750
318	Wire Wire Line
319	5150 3000 4950 3000
320	Wire Wire Line
321	5150 2700 4950 2700
322	Wire Wire Line
323	5150 2500 4950 2500
324	Wire Wire Line
325	5150 800 4950 800
326	Wire Wire Line
327	5950 2900 6100 2900
328	Wire Wire Line
329	5950 3100 6100 3100
330	Wire Bus Line
331	6800 450 6800 3450
332	Wire Bus Line
333	6800 3450 4550 3450
334	Wire Wire Line
335	950 7250 1050 7250
336	Wire Bus Line
337	3100 5550 3100 7800
338	Wire Wire Line
339	950 1500 1050 1500
340	Wire Wire Line
341	5200 4550 5300 4550
342	Wire Wire Line
343	5200 3750 5350 3750
344	Wire Wire Line
345	6550 3850 6850 3850
346	Wire Wire Line
347	8300 2900 8600 2900
348	Wire Wire Line
349	8600 4550 8750 4550
350	Wire Notes Line
351	4550 4100 9400 4100
352	Wire Notes Line
353	9400 4100 9400 4950
354	Wire Notes Line
355	9400 4950 4550 4950
356	Wire Wire Line
357	1000 3350 1150 3350
358	Wire Wire Line
359	5000 5250 4850 5250
360	Wire Wire Line
361	1550 3050 1700 3050
362	Wire Wire Line
363	1700 3050 1700 3700
364	Wire Wire Line
365	1700 3700 4050 3700
366	Wire Wire Line
367	4050 3700 4050 2850
368	Wire Wire Line
369	4050 2850 3450 2850
370	Wire Wire Line
371	1050 3050 1150 3050
372	Wire Wire Line
373	800 900 1050 900
374	Wire Wire Line
375	800 1000 1050 1000
376	Wire Wire Line
377	800 1100 1050 1100
378	Wire Wire Line
379	8600 3100 7650 3100
380	Wire Wire Line
381	7450 2850 7450 2700
382	Wire Wire Line
383	7350 2300 7450 2300
384	Wire Wire Line
385	7450 2300 7450 2100
386	Wire Wire Line
387	7450 1650 7450 1700
388	Wire Wire Line
389	1050 4350 900 4350
390	Wire Wire Line
391	1050 4450 900 4450
392	Wire Wire Line
393	1050 4550 900 4550
394	Wire Wire Line
395	1050 4650 900 4650
396	Wire Wire Line
397	1050 4750 900 4750
398	Wire Wire Line
399	1050 4850 900 4850
400	Wire Wire Line
401	1050 4950 900 4950
402	Wire Wire Line
403	1050 5050 900 5050
404	Connection ~ 2650 4350
405	Connection ~ 2650 4450
406	Connection ~ 2650 4550
407	Connection ~ 2650 4650
408	Connection ~ 2650 4750
409	Connection ~ 2650 4850
410	Connection ~ 2650 4950
411	Connection ~ 2650 5050
412	Wire Wire Line
413	10300 900 10000 900
414	Wire Wire Line
415	10300 1000 10000 1000
416	Wire Wire Line
417	10300 1100 10000 1100
418	Wire Wire Line
419	10300 1200 10000 1200
420	Wire Wire Line
421	10300 1300 10000 1300
422	Wire Wire Line
423	10300 1400 10000 1400
424	Wire Wire Line
425	10300 1500 10000 1500
426	Wire Wire Line
427	10300 1600 10000 1600
428	Wire Wire Line
429	9300 650 9300 750
430	Wire Wire Line
431	1550 3700 1550 3350
432	Wire Bus Line
433	4850 1700 4850 2000
434	Wire Wire Line
435	5150 1800 4850 1800
436	Wire Wire Line
437	5150 1900 4850 1900
438	Wire Wire Line
439	5150 2000 4850 2000
440	Wire Wire Line
441	5950 1700 6250 1700
442	Wire Wire Line
443	5950 1900 6250 1900
444	Wire Wire Line
445	5950 1000 6100 1000
446	Wire Wire Line
447	5950 1200 6100 1200
448	Wire Wire Line
449	5950 1400 6100 1400
450	Wire Wire Line
451	5950 1600 6100 1600
452	Wire Bus Line
453	6300 1600 6300 900
454	Wire Wire Line
455	8600 900 8400 900
456	Wire Wire Line
457	8600 1000 8400 1000
458	Wire Wire Line
459	8600 1100 8400 1100
460	Wire Wire Line
461	8600 1200 8400 1200
462	Wire Wire Line
463	8600 1300 8400 1300
464	Wire Wire Line
465	8600 1400 8400 1400
466	Wire Wire Line
467	8600 1500 8400 1500
468	Wire Wire Line
469	8600 1600 8400 1600
470	Wire Wire Line
471	8600 1700 8400 1700
472	Wire Wire Line
473	8600 1800 8400 1800
474	Wire Wire Line
475	8600 1900 8400 1900
476	Wire Wire Line
477	8600 2000 8400 2000
478	Wire Wire Line
479	8600 2100 8400 2100
480	Wire Wire Line
481	8600 2200 8400 2200
482	Wire Wire Line
483	8600 2300 8400 2300
484	Wire Wire Line
485	8600 2400 8400 2400
486	Wire Wire Line
487	8600 2500 8400 2500
488	Wire Wire Line
489	8600 2600 8400 2600
490	Wire Wire Line
491	8600 2700 8400 2700
492	Wire Bus Line
493	2650 5050 2650 4650
494	Wire Bus Line
495	900 5050 900 4350
496	Wire Wire Line
497	4850 5750 4850 5850
498	Wire Wire Line
499	4600 5850 4600 6000
500	Wire Wire Line
501	3250 5850 3500 5850
502	Connection ~ 3400 5850
503	Wire Wire Line
504	8050 2500 7650 2500
505	Wire Wire Line
506	7650 2500 7650 3150
507	Connection ~ 7650 3100
508	Wire Wire Line
509	8050 2000 8050 1850
510	Connection ~ 1700 2750
511	Wire Wire Line
512	2050 2650 2000 2650
513	Wire Wire Line
514	2050 2850 2000 2850
515	Wire Wire Line
516	5950 2200 6100 2200
517	Wire Wire Line
518	5950 2300 6100 2300
519	Wire Wire Line
520	5950 2400 6100 2400
521	Wire Wire Line
522	5950 2500 6100 2500
523	Wire Wire Line
524	5950 2600 6100 2600
525	Wire Wire Line
526	5950 2700 6100 2700
527	Wire Wire Line
528	8900 5350 8900 5300
529	Wire Wire Line
530	8550 5350 9200 5350
531	Connection ~ 8900 5350
532	Wire Wire Line
533	6800 4450 6800 5150
534	Connection ~ 6800 4650
535	$Comp
536	L GND #PWR01
537	U 1 1 4DBD5A06
538	P 6800 5550
539	F 0 "#PWR01" H 6800 5550 30 0001 C CNN
540	F 1 "GND" H 6800 5480 30 0001 C CNN
541	1 6800 5550
542	1 0 0 -1
543	$EndComp
544	$Comp
545	L 74LS00 U1
546	U 3 1 4DBD59C0
547	P 7400 5250
548	F 0 "U1" H 7400 5300 60 0000 C CNN
549	F 1 "74LS00" H 7400 5150 60 0000 C CNN
550	3 7400 5250
551	1 0 0 1
552	$EndComp
553	Text Label 3850 2200 0 60 ~ 0
554	AC4
555	Text Label 4850 5250 0 60 ~ 0
556	AC4
557	$Comp
558	L GND #PWR02
559	U 1 1 4DBD3AB8
560	P 8900 5900
561	F 0 "#PWR02" H 8900 5900 30 0001 C CNN
562	F 1 "GND" H 8900 5830 30 0001 C CNN
563	1 8900 5900
564	1 0 0 -1
565	$EndComp
566	$Comp
567	L VCC #PWR03
568	U 1 1 4DBD3AB1
569	P 8900 5300
570	F 0 "#PWR03" H 8900 5400 30 0001 C CNN
571	F 1 "VCC" H 8900 5400 30 0000 C CNN
572	1 8900 5300
573	1 0 0 -1
574	$EndComp
575	NoConn ~ 8400 2700
576	NoConn ~ 3450 3350
577	NoConn ~ 3450 3250
578	$Comp
579	L GND #PWR04
580	U 1 1 4DBD263D
581	P 3650 2650
582	F 0 "#PWR04" H 3650 2650 30 0001 C CNN
583	F 1 "GND" H 3650 2580 30 0001 C CNN
584	1 3650 2650
585	1 0 0 -1
586	$EndComp
587	NoConn ~ 1550 3250
588	NoConn ~ 1550 3150
589	NoConn ~ 1150 3250
590	NoConn ~ 1150 3150
591	Text GLabel 6100 2100 2 60 Output ~ 0
592	MREQ
593	NoConn ~ 6100 2700
594	NoConn ~ 6100 2600
595	NoConn ~ 6100 2500
596	NoConn ~ 6100 2400
597	NoConn ~ 6100 2300
598	NoConn ~ 6100 2200
599	Text Label 1850 3450 0 60 ~ 0
600	I4
601	Text Label 2000 2650 0 60 ~ 0
602	I3
603	Text Label 1850 3250 0 60 ~ 0
604	I2
605	Text Label 2000 2850 0 60 ~ 0
606	I1
607	Text Label 1550 2950 0 60 ~ 0
608	I4
609	Text Label 1550 2850 0 60 ~ 0
610	I3
611	Text Label 1550 2750 0 60 ~ 0
612	I2
613	Text Label 1550 2650 0 60 ~ 0
614	I1
615	$Comp
616	L VCC #PWR05
617	U 1 1 4DBC6DC1
618	P 1850 2050
619	F 0 "#PWR05" H 1850 2150 30 0001 C CNN
620	F 1 "VCC" H 1850 2150 30 0000 C CNN
621	1 1850 2050
622	1 0 0 -1
623	$EndComp
624	$Comp
625	L +BATT #PWR06
626	U 1 1 4DBC65B0
627	P 8400 2600
628	F 0 "#PWR06" H 8400 2550 20 0001 C CNN
629	F 1 "+BATT" H 8400 2700 30 0000 C CNN
630	1 8400 2600
631	0 -1 -1 0
632	$EndComp
633	$Comp
634	L +BATT #PWR07
635	U 1 1 4DBC6468
636	P 8050 1850
637	F 0 "#PWR07" H 8050 1800 20 0001 C CNN
638	F 1 "+BATT" H 8050 1950 30 0000 C CNN
639	1 8050 1850
640	1 0 0 -1
641	$EndComp
642	$Comp
643	L VCC #PWR08
644	U 1 1 4DBC00D5
645	P 3400 6350
646	F 0 "#PWR08" H 3400 6450 30 0001 C CNN
647	F 1 "VCC" H 3400 6450 30 0000 C CNN
648	1 3400 6350
649	-1 0 0 1
650	$EndComp
651	$Comp
652	L GND #PWR09
653	U 1 1 4DBC006F
654	P 4600 6000
655	F 0 "#PWR09" H 4600 6000 30 0001 C CNN
656	F 1 "GND" H 4600 5930 30 0001 C CNN
657	1 4600 6000
658	1 0 0 -1
659	$EndComp
660	$Comp
661	L +BATT #PWR010
662	U 1 1 4DBC006B
663	P 3250 5850
664	F 0 "#PWR010" H 3250 5800 20 0001 C CNN
665	F 1 "+BATT" H 3250 5950 30 0000 C CNN
666	1 3250 5850
667	0 -1 -1 0
668	$EndComp
669	$Comp
670	L +BATT #PWR011
671	U 1 1 4DBC004F
672	P 4850 5750
673	F 0 "#PWR011" H 4850 5700 20 0001 C CNN
674	F 1 "+BATT" H 4850 5850 30 0000 C CNN
675	1 4850 5750
676	1 0 0 -1
677	$EndComp
678	$Comp
679	L +BATT #PWR012
680	U 1 1 4DBC0046
681	P 9300 650
682	F 0 "#PWR012" H 9300 600 20 0001 C CNN
683	F 1 "+BATT" H 9300 750 30 0000 C CNN
684	1 9300 650
685	1 0 0 -1
686	$EndComp
687	$Comp
688	L GND #PWR013
689	U 1 1 4DBBFE96
690	P 4850 6350
691	F 0 "#PWR013" H 4850 6350 30 0001 C CNN
692	F 1 "GND" H 4850 6280 30 0001 C CNN
693	1 4850 6350
694	1 0 0 -1
695	$EndComp
696	Text GLabel 6150 2800 2 60 Output ~ 0
697	ROMEN
698	Text Label 2000 2950 0 60 ~ 0
699	AC3
700	Text Label 1850 3150 0 60 ~ 0
701	AC2
702	Text Label 2000 2750 0 60 ~ 0
703	AC1
704	Text Label 1850 3350 0 60 ~ 0
705	AC0
706	Text Label 900 1100 0 60 ~ 0
707	IS2
708	Text Label 900 1000 0 60 ~ 0
709	IS1
710	Text Label 900 900 0 60 ~ 0
711	IS0
712	Text Label 2550 4650 0 60 ~ 0
713	AC4
714	Text Label 2550 4950 0 60 ~ 0
715	AC3
716	Text Label 2550 4450 0 60 ~ 0
717	AC2
718	Text Label 2550 5050 0 60 ~ 0
719	AC1
720	Text Label 2550 4350 0 60 ~ 0
721	AC0
722	Text Label 2550 4750 0 60 ~ 0
723	IS2
724	Text Label 2550 4550 0 60 ~ 0
725	IS1
726	Text Label 2550 4850 0 60 ~ 0
727	IS0
728	Text Label 950 7050 0 60 ~ 0
729	A15
730	Text Label 950 7250 0 60 ~ 0
731	A14
732	Text Label 1000 5850 0 60 ~ 0
733	A13
734	$Comp
735	L VCC #PWR014
736	U 1 1 4DBBEA82
737	P 4950 2100
738	F 0 "#PWR014" H 4950 2200 30 0001 C CNN
739	F 1 "VCC" H 4950 2200 30 0000 C CNN
740	1 4950 2100
741	0 -1 -1 0
742	$EndComp
743	Text Label 8400 2100 0 60 ~ 0
744	A13
745	Text Label 8400 2200 0 60 ~ 0
746	A12
747	Text Label 8400 1600 0 60 ~ 0
748	A11
749	Text Label 8400 1700 0 60 ~ 0
750	A10
751	Text Label 8400 1500 0 60 ~ 0
752	A9
753	Text Label 8400 1800 0 60 ~ 0
754	A8
755	Text Label 8400 1400 0 60 ~ 0
756	A7
757	Text Label 8400 2000 0 60 ~ 0
758	A6
759	Text Label 8400 1300 0 60 ~ 0
760	A5
761	Text Label 8400 1900 0 60 ~ 0
762	A4
763	Text Label 8400 1200 0 60 ~ 0
764	A3
765	Text Label 8400 1100 0 60 ~ 0
766	A2
767	Text Label 8400 900 0 60 ~ 0
768	A1
769	Text Label 8400 1000 0 60 ~ 0
770	A0
771	Text Label 5000 900 0 60 ~ 0
772	A15
773	Text Label 6100 900 0 60 ~ 0
774	A14
775	Text Label 5000 1000 0 60 ~ 0
776	A13
777	Text Label 6100 1000 0 60 ~ 0
778	A12
779	Text Label 5000 1100 0 60 ~ 0
780	A11
781	Text Label 6100 1100 0 60 ~ 0
782	A10
783	Text Label 5000 1200 0 60 ~ 0
784	A9
785	Text Label 6100 1200 0 60 ~ 0
786	A8
787	Text Label 5000 1300 0 60 ~ 0
788	A7
789	Text Label 6100 1300 0 60 ~ 0
790	A6
791	Text Label 5000 1400 0 60 ~ 0
792	A5
793	Text Label 6100 1400 0 60 ~ 0
794	A4
795	Text Label 5000 1500 0 60 ~ 0
796	A3
797	Text Label 6100 1500 0 60 ~ 0
798	A2
799	Text Label 5000 1600 0 60 ~ 0
800	A1
801	Text Label 6100 1600 0 60 ~ 0
802	A0
803	Text Label 1000 4850 0 60 ~ 0
804	D7
805	Text Label 1000 4550 0 60 ~ 0
806	D6
807	Text Label 1000 4750 0 60 ~ 0
808	D5
809	Text Label 1000 4650 0 60 ~ 0
810	D4
811	Text Label 1000 4950 0 60 ~ 0
812	D3
813	Text Label 1000 4450 0 60 ~ 0
814	D2
815	Text Label 1000 5050 0 60 ~ 0
816	D1
817	Text Label 1000 4350 0 60 ~ 0
818	D0
819	Entry Wire Line
820	6250 2000 6350 1900
821	Entry Wire Line
822	6250 1900 6350 1800
823	Entry Wire Line
824	6250 1800 6350 1700
825	Entry Wire Line
826	6250 1700 6350 1600
827	Entry Wire Line
828	4850 2000 4950 1900
829	Entry Wire Line
830	4850 1900 4950 1800
831	Entry Wire Line
832	4850 1800 4950 1700
833	Entry Wire Line
834	4850 1700 4950 1600
835	Text Label 6100 2000 0 60 ~ 0
836	D7
837	Text Label 6100 1900 0 60 ~ 0
838	D5
839	Text Label 6100 1800 0 60 ~ 0
840	D3
841	Text Label 6100 1700 0 60 ~ 0
842	D1
843	Text Label 4950 2000 0 60 ~ 0
844	D6
845	Text Label 4950 1900 0 60 ~ 0
846	D4
847	Text Label 4950 1800 0 60 ~ 0
848	D2
849	Text Label 4950 1700 0 60 ~ 0
850	D0
851	$Comp
852	L GND #PWR015
853	U 1 1 4DBBE106
854	P 9300 3350
855	F 0 "#PWR015" H 9300 3350 30 0001 C CNN
856	F 1 "GND" H 9300 3280 30 0001 C CNN
857	1 9300 3350
858	1 0 0 -1
859	$EndComp
860	Text GLabel 4950 2900 0 60 Input ~ 0
861	ROMDIS
862	Entry Wire Line
863	10200 1600 10300 1500
864	Entry Wire Line
865	10200 1500 10300 1400
866	Entry Wire Line
867	10200 1400 10300 1300
868	Entry Wire Line
869	10200 1300 10300 1200
870	Entry Wire Line
871	10200 1200 10300 1100
872	Entry Wire Line
873	10200 1100 10300 1000
874	Entry Wire Line
875	10200 1000 10300 900
876	Entry Wire Line
877	10200 900 10300 800
878	Text Label 10000 1100 0 60 ~ 0
879	D7
880	Text Label 10000 1300 0 60 ~ 0
881	D6
882	Text Label 10000 1000 0 60 ~ 0
883	D5
884	Text Label 10000 1200 0 60 ~ 0
885	D4
886	Text Label 10000 1400 0 60 ~ 0
887	D3
888	Text Label 10000 900 0 60 ~ 0
889	D2
890	Text Label 10000 1500 0 60 ~ 0
891	D1
892	Text Label 10000 1600 0 60 ~ 0
893	D0
894	$Comp
895	L VCC #PWR016
896	U 1 1 4CECEA88
897	P 7600 1500
898	F 0 "#PWR016" H 7600 1600 30 0001 C CNN
899	F 1 "VCC" H 7600 1600 30 0000 C CNN
900	1 7600 1500
901	1 0 0 -1
902	$EndComp
903	$Comp
904	L GND #PWR017
905	U 1 1 4CECE95E
906	P 7150 3300
907	F 0 "#PWR017" H 7150 3300 30 0001 C CNN
908	F 1 "GND" H 7150 3230 30 0001 C CNN
909	1 7150 3300
910	1 0 0 -1
911	$EndComp
912	Text Notes 1600 5050 0 60 ~ 0
913	register
914	Text Notes 1700 1500 1 60 ~ 0
915	demultiplexer
916	Entry Wire Line
917	800 1100 900 1200
918	Entry Wire Line
919	800 1000 900 1100
920	Entry Wire Line
921	800 900 900 1000
922	Text GLabel 1050 3050 0 60 Input ~ 0
923	_A3
924	Text GLabel 6500 5350 2 60 Output ~ 0
925	_A3
926	Text GLabel 1000 3350 0 60 Input ~ 0
927	WRITE_EN
928	Text Notes 6400 4200 0 60 ~ 0
929	Rom active notification
930	Text Notes 4900 3600 0 60 ~ 0
931	Write detection
932	Text GLabel 5200 4350 0 60 Input ~ 0
933	ROM_ACTIVE
934	Text GLabel 5200 3750 0 60 Input ~ 0
935	WR
936	$Comp
937	L 74LS00 U1
938	U 4 1 4CA8A6F2
939	P 5600 5350
940	F 0 "U1" H 5600 5400 60 0000 C CNN
941	F 1 "74LS00" H 5600 5250 60 0000 C CNN
942	4 5600 5350
943	1 0 0 -1
944	$EndComp
945	Text GLabel 8300 2900 0 60 Input ~ 0
946	ROM_ACTIVE
947	Text GLabel 8750 4550 2 60 Output ~ 0
948	ROMDIS
949	$Comp
950	L 74LS00 U1
951	U 2 1 4CA89EED
952	P 7400 4550
953	F 0 "U1" H 7400 4600 60 0000 C CNN
954	F 1 "74LS00" H 7400 4450 60 0000 C CNN
955	2 7400 4550
956	1 0 0 -1
957	$EndComp
958	Text GLabel 5200 4550 0 60 Input ~ 0
959	ROMEN
960	Text GLabel 5200 3950 0 60 Input ~ 0
961	ROM_ACTIVE
962	Text GLabel 950 1600 0 60 Input ~ 0
963	MREQ
964	Text GLabel 950 1500 0 60 Input ~ 0
965	ROM_ACC
966	Text Notes 650 6900 0 60 ~ 0
967	Rom access detection
968	Text GLabel 2450 7150 2 60 Output ~ 0
969	ROM_ACC
970	NoConn ~ 6100 2900
971	NoConn ~ 6100 3000
972	NoConn ~ 6100 3100
973	NoConn ~ 6100 3200
974	NoConn ~ 6100 800
975	NoConn ~ 4950 800
976	NoConn ~ 4950 2200
977	NoConn ~ 4950 2500
978	NoConn ~ 4950 2600
979	NoConn ~ 4950 2700
980	NoConn ~ 4950 2800
981	NoConn ~ 4950 3000
982	NoConn ~ 4950 3100
983	Text Notes 4700 550 0 60 ~ 0
984	\ncpc connector
985	Text Notes 600 5700 0 60 ~ 0
986	OUT Decoder
987	Text GLabel 900 6600 0 60 Input ~ 0
988	WR
989	Text GLabel 4900 2400 0 60 Output ~ 0
990	WR
991	$Comp
992	L GND #PWR018
993	U 1 1 4CA89326
994	P 4900 3300
995	F 0 "#PWR018" H 4900 3300 30 0001 C CNN
996	F 1 "GND" H 4900 3230 30 0001 C CNN
997	1 4900 3300
998	1 0 0 -1
999	$EndComp
1000	Text GLabel 4900 2300 0 60 Output ~ 0
1001	IORQ
1002	Text GLabel 900 6400 0 60 Input ~ 0
1003	IORQ
1004	$Comp
1005	L 74LS32 U3
1006	U 1 1 4CA89162
1007	P 1700 6500
1008	F 0 "U3" H 1700 6550 60 0000 C CNN
1009	F 1 "74LS32" H 1700 6450 60 0000 C CNN
1010	1 1700 6500
1011	1 0 0 -1
1012	$EndComp
1013	Text GLabel 2450 5950 2 60 Output ~ 0
1014	ROMSEL
1015	Text GLabel 900 5250 0 60 Input ~ 0
1016	ROMSEL
1017	$Comp
1018	L 74LS32 U3
1019	U 4 1 4CA89099
1020	P 1700 5950
1021	F 0 "U3" H 1700 6000 60 0000 C CNN
1022	F 1 "74LS32" H 1700 5900 60 0000 C CNN
1023	4 1700 5950
1024	1 0 0 1
1025	$EndComp
1026	Text Notes 2800 4550 0 60 ~ 0
1027	To individual rom select
1028	Text Notes 2800 4950 0 60 ~ 0
1029	To address comparator
1030	Entry Wire Line
1031	2650 4650 2750 4750
1032	Entry Wire Line
1033	2650 4550 2750 4650
1034	Entry Wire Line
1035	2650 4450 2750 4550
1036	Entry Wire Line
1037	2650 4350 2750 4450
1038	$Comp
1039	L GND #PWR019
1040	U 1 1 4CA88AFC
1041	P 900 5400
1042	F 0 "#PWR019" H 900 5400 30 0001 C CNN
1043	F 1 "GND" H 900 5330 30 0001 C CNN
1044	1 900 5400
1045	1 0 0 -1
1046	$EndComp
1047	Entry Wire Line
1048	2650 5050 2750 5150
1049	Entry Wire Line
1050	2650 4950 2750 5050
1051	Entry Wire Line
1052	2650 4750 2750 4850
1053	Text Notes 1150 4200 0 60 ~ 0
1054	Current ROM number storage
1055	Text GLabel 8300 3000 0 60 Input ~ 0
1056	WRITE_EN
1057	$Comp
1058	L VCC #PWR020
1059	U 1 1 4CA884DF
1060	P 1050 3850
1061	F 0 "#PWR020" H 1050 3950 30 0001 C CNN
1062	F 1 "VCC" H 1050 3950 30 0000 C CNN
1063	1 1050 3850
1064	-1 0 0 1
1065	$EndComp
1066	Text GLabel 1550 3700 3 60 Output ~ 0
1067	WRITE
1068	Text Notes 2500 2550 0 60 ~ 0
1069	comparator
1070	$Comp
1071	L GND #PWR021
1072	U 1 1 4CA882D1
1073	P 900 2850
1074	F 0 "#PWR021" H 900 2850 30 0001 C CNN
1075	F 1 "GND" H 900 2780 30 0001 C CNN
1076	1 900 2850
1077	1 0 0 -1
1078	$EndComp
1079	$Comp
1080	L VCC #PWR022
1081	U 1 1 4CA88282
1082	P 3800 850
1083	F 0 "#PWR022" H 3800 950 30 0001 C CNN
1084	F 1 "VCC" H 3800 950 30 0000 C CNN
1085	1 3800 850
1086	1 0 0 -1
1087	$EndComp
1088	Text GLabel 3950 1600 2 60 Output ~ 0
1089	ROM_ACTIVE
1090	Text GLabel 3650 3450 2 60 Output ~ 0
1091	MATCH
1092	Text GLabel 950 1400 0 60 Input ~ 0
1093	MATCH
1094	$Comp
1095	L 74LS32 U3
1096	U 3 1 4CA87CE5
1097	P 5900 4450
1098	F 0 "U3" H 5900 4500 60 0000 C CNN
1099	F 1 "74LS32" H 5900 4400 60 0000 C CNN
1100	3 5900 4450
1101	1 0 0 1
1102	$EndComp
1103	Text Notes 1800 650 0 60 ~ 0
1104	Individual ROM selection
1105	$Comp
1106	L BATTERY BT1
1107	U 1 1 4CA87798
1108	P 4300 5850
1109	F 0 "BT1" H 4300 6050 50 0000 C CNN
1110	F 1 "CR2032" H 4300 5660 50 0000 C CNN
1111	1 4300 5850
1112	1 0 0 -1
1113	$EndComp
1114	$Comp
1115	L SRAM_512KO U6
1116	U 1 1 4CA871FB
1117	P 9300 2000
1118	F 0 "U6" H 9400 3200 70 0000 L CNN
1119	F 1 "SRAM_512KO" H 9400 800 70 0000 L CNN
1120	1 9300 2000
1121	1 0 0 -1
1122	$EndComp
1123	$Comp
1124	L BC307 Q1
1125	U 1 1 4CA87175
1126	P 7450 3050
1127	F 0 "Q1" H 7650 2950 50 0000 C CNN
1128	F 1 "BC307" H 7700 3200 50 0000 C CNN
1129	1 7450 3050
1130	0 1 1 0
1131	$EndComp
1132	$Comp
1133	L C C4
1134	U 1 1 4CA87152
1135	P 9200 5550
1136	F 0 "C4" H 9250 5650 50 0000 L CNN
1137	F 1 "C" H 9250 5450 50 0000 L CNN
1138	1 9200 5550
1139	1 0 0 -1
1140	$EndComp
1141	$Comp
1142	L C C3
1143	U 1 1 4CA87151
1144	P 8900 5550
1145	F 0 "C3" H 8950 5650 50 0000 L CNN
1146	F 1 "C" H 8950 5450 50 0000 L CNN
1147	1 8900 5550
1148	1 0 0 -1
1149	$EndComp
1150	$Comp
1151	L CP1 C1
1152	U 1 1 4CA87148
1153	P 7150 2300
1154	F 0 "C1" H 7200 2400 50 0000 L CNN
1155	F 1 "1µF" H 7200 2200 50 0000 L CNN
1156	1 7150 2300
1157	0 1 1 0
1158	$EndComp
1159	$Comp
1160	L CP1 C5
1161	U 1 1 4CA87146
1162	P 8550 5550
1163	F 0 "C5" H 8600 5650 50 0000 L CNN
1164	F 1 "CP1" H 8600 5450 50 0000 L CNN
1165	1 8550 5550
1166	1 0 0 -1
1167	$EndComp
1168	$Comp
1169	L CONN_25X2 P1
1170	U 1 1 4CA8712F
1171	P 5550 2000
1172	F 0 "P1" H 5550 3300 60 0000 C CNN
1173	F 1 "CONN_25X2" V 5550 2000 50 0000 C CNN
1174	1 5550 2000
1175	1 0 0 -1
1176	$EndComp
1177	$Comp
1178	L C C2
1179	U 1 1 4CA870EF
1180	P 4850 6050
1181	F 0 "C2" H 4900 6150 50 0000 L CNN
1182	F 1 "C" H 4900 5950 50 0000 L CNN
1183	1 4850 6050
1184	1 0 0 -1
1185	$EndComp
1186	$Comp
1187	L R R9
1188	U 1 1 4CA870E2
1189	P 3850 2600
1190	F 0 "R9" V 3930 2600 50 0000 C CNN
1191	F 1 "R" V 3850 2600 50 0000 C CNN
1192	1 3850 2600
1193	1 0 0 -1
1194	$EndComp
1195	$Comp
1196	L R R1
1197	U 1 1 4CA870DC
1198	P 7200 2700
1199	F 0 "R1" V 7280 2700 50 0000 C CNN
1200	F 1 "10K" V 7200 2700 50 0000 C CNN
1201	1 7200 2700
1202	0 1 1 0
1203	$EndComp
1204	$Comp
1205	L R R7
1206	U 1 1 4CA870DB
1207	P 7750 1900
1208	F 0 "R7" V 7830 1900 50 0000 C CNN
1209	F 1 "1K" V 7750 1900 50 0000 C CNN
1210	1 7750 1900
1211	1 0 0 -1
1212	$EndComp
1213	$Comp
1214	L R R10
1215	U 1 1 4CA870DA
1216	P 8050 2250
1217	F 0 "R10" V 8130 2250 50 0000 C CNN
1218	F 1 "R" V 8050 2250 50 0000 C CNN
1219	1 8050 2250
1220	1 0 0 -1
1221	$EndComp
1222	$Comp
1223	L R R2
1224	U 1 1 4CA870D9
1225	P 1050 3600
1226	F 0 "R2" V 1130 3600 50 0000 C CNN
1227	F 1 "10KR" V 1050 3600 50 0000 C CNN
1228	1 1050 3600
1229	-1 0 0 1
1230	$EndComp
1231	$Comp
1232	L R R6
1233	U 1 1 4CA870D8
1234	P 1900 2700
1235	F 0 "R6" V 1980 2700 50 0000 C CNN
1236	F 1 "10KR" V 1900 2700 50 0000 C CNN
1237	1 1900 2700
1238	1 0 0 -1
1239	$EndComp
1240	$Comp
1241	L R R5
1242	U 1 1 4CA870D0
1243	P 1800 2600
1244	F 0 "R5" V 1880 2600 50 0000 C CNN
1245	F 1 "10KR" V 1800 2600 50 0000 C CNN
1246	1 1800 2600
1247	1 0 0 -1
1248	$EndComp
1249	$Comp
1250	L R R4
1251	U 1 1 4CA870CB
1252	P 1700 2500
1253	F 0 "R4" V 1780 2500 50 0000 C CNN
1254	F 1 "10KR" V 1700 2500 50 0000 C CNN
1255	1 1700 2500
1256	1 0 0 -1
1257	$EndComp
1258	$Comp
1259	L R R3
1260	U 1 1 4CA870C7
1261	P 1600 2400
1262	F 0 "R3" V 1680 2400 50 0000 C CNN
1263	F 1 "10KR" V 1600 2400 50 0000 C CNN
1264	1 1600 2400
1265	1 0 0 -1
1266	$EndComp
1267	$Comp
1268	L R R8
1269	U 1 1 4CA870C2
1270	P 3800 1250
1271	F 0 "R8" V 3880 1250 50 0000 C CNN
1272	F 1 "R" V 3800 1250 50 0000 C CNN
1273	1 3800 1250
1274	1 0 0 -1
1275	$EndComp
1276	$Comp
1277	L DIODE D11
1278	U 1 1 4CA870B3
1279	P 3400 6050
1280	F 0 "D11" H 3400 6150 40 0000 C CNN
1281	F 1 "DIODE" H 3400 5950 40 0000 C CNN
1282	1 3400 6050
1283	0 -1 -1 0
1284	$EndComp
1285	$Comp
1286	L DIODE D1
1287	U 1 1 4CA870AF
1288	P 7450 1900
1289	F 0 "D1" H 7450 2000 40 0000 C CNN
1290	F 1 "1N4148" H 7450 1800 40 0000 C CNN
1291	1 7450 1900
1292	0 -1 -1 0
1293	$EndComp
1294	$Comp
1295	L DIODE D12
1296	U 1 1 4CA870AC
1297	P 3700 5850
1298	F 0 "D12" H 3700 5950 40 0000 C CNN
1299	F 1 "BAT85" H 3700 5750 40 0000 C CNN
1300	1 3700 5850
1301	-1 0 0 1
1302	$EndComp
1303	$Comp
1304	L DIODE D13
1305	U 1 1 4CA870AA
1306	P 8400 4550
1307	F 0 "D13" H 8400 4650 40 0000 C CNN
1308	F 1 "DIODE" H 8400 4450 40 0000 C CNN
1309	1 8400 4550
1310	1 0 0 -1
1311	$EndComp
1312	$Comp
1313	L DIODE D2
1314	U 1 1 4CA870A4
1315	P 7450 2500
1316	F 0 "D2" H 7450 2600 40 0000 C CNN
1317	F 1 "BZX55C" H 7450 2400 40 0000 C CNN
1318	1 7450 2500
1319	0 -1 -1 0
1320	$EndComp
1321	$Comp
1322	L DIODE D10
1323	U 1 1 4CA8709A
1324	P 3350 1600
1325	F 0 "D10" H 3350 1700 40 0000 C CNN
1326	F 1 "DIODE" H 3350 1500 40 0000 C CNN
1327	1 3350 1600
1328	-1 0 0 -1
1329	$EndComp
1330	$Comp
1331	L DIODE D9
1332	U 1 1 4CA87098
1333	P 3350 1500
1334	F 0 "D9" H 3350 1600 40 0000 C CNN
1335	F 1 "DIODE" H 3350 1400 40 0000 C CNN
1336	1 3350 1500
1337	-1 0 0 -1
1338	$EndComp
1339	$Comp
1340	L DIODE D8
1341	U 1 1 4CA87095
1342	P 3350 1400
1343	F 0 "D8" H 3350 1500 40 0000 C CNN
1344	F 1 "DIODE" H 3350 1300 40 0000 C CNN
1345	1 3350 1400
1346	-1 0 0 -1
1347	$EndComp
1348	$Comp
1349	L DIODE D7
1350	U 1 1 4CA87093
1351	P 3350 1300
1352	F 0 "D7" H 3350 1400 40 0000 C CNN
1353	F 1 "DIODE" H 3350 1200 40 0000 C CNN
1354	1 3350 1300
1355	-1 0 0 -1
1356	$EndComp
1357	$Comp
1358	L DIODE D6
1359	U 1 1 4CA87092
1360	P 3350 1200
1361	F 0 "D6" H 3350 1300 40 0000 C CNN
1362	F 1 "DIODE" H 3350 1100 40 0000 C CNN
1363	1 3350 1200
1364	-1 0 0 -1
1365	$EndComp
1366	$Comp
1367	L DIODE D5
1368	U 1 1 4CA87090
1369	P 3350 1100
1370	F 0 "D5" H 3350 1200 40 0000 C CNN
1371	F 1 "DIODE" H 3350 1000 40 0000 C CNN
1372	1 3350 1100
1373	-1 0 0 -1
1374	$EndComp
1375	$Comp
1376	L DIODE D4
1377	U 1 1 4CA8708D
1378	P 3350 1000
1379	F 0 "D4" H 3350 1100 40 0000 C CNN
1380	F 1 "DIODE" H 3350 900 40 0000 C CNN
1381	1 3350 1000
1382	-1 0 0 -1
1383	$EndComp
1384	$Comp
1385	L DIODE D3
1386	U 1 1 4CA87086
1387	P 3350 900
1388	F 0 "D3" H 3350 1000 40 0000 C CNN
1389	F 1 "DIODE" H 3350 800 40 0000 C CNN
1390	1 3350 900
1391	-1 0 0 -1
1392	$EndComp
1393	$Comp
1394	L DIPS_08 SW_CFG1
1395	U 1 1 4CA87071
1396	P 1350 3000
1397	F 0 "SW_CFG1" V 900 3000 60 0000 C CNN
1398	F 1 "DIPS_08" V 1800 3000 60 0000 C CNN
1399	1 1350 3000
1400	0 -1 1 0
1401	$EndComp
1402	$Comp
1403	L DIPS_08 SW_ROMEN1
1404	U 1 1 4CA8706E
1405	P 2600 1250
1406	F 0 "SW_ROMEN1" V 2150 1250 60 0000 C CNN
1407	F 1 "DIPS_08" V 3050 1250 60 0000 C CNN
1408	1 2600 1250
1409	0 1 1 0
1410	$EndComp
1411	$Comp
1412	L 74LS85 U5
1413	U 1 1 4CA86E70
1414	P 2750 3050
1415	F 0 "U5" H 2800 3150 60 0000 C CNN
1416	F 1 "74LS85" H 2800 3000 60 0000 C CNN
1417	1 2750 3050
1418	1 0 0 -1
1419	$EndComp
1420	$Comp
1421	L 74LS374 U4
1422	U 1 1 4CA86E68
1423	P 1750 4850
1424	F 0 "U4" H 1750 4850 60 0000 C CNN
1425	F 1 "74LS374" H 1800 4500 60 0000 C CNN
1426	1 1750 4850
1427	1 0 0 -1
1428	$EndComp
1429	$Comp
1430	L 74LS32 U3
1431	U 2 1 4CA86E60
1432	P 5950 3850
1433	F 0 "U3" H 5950 3900 60 0000 C CNN
1434	F 1 "74LS32" H 5950 3800 60 0000 C CNN
1435	2 5950 3850
1436	1 0 0 -1
1437	$EndComp
1438	$Comp
1439	L 74LS00 U1
1440	U 1 1 4CA86E52
1441	P 1650 7150
1442	F 0 "U1" H 1650 7200 60 0000 C CNN
1443	F 1 "74LS00" H 1650 7050 60 0000 C CNN
1444	1 1650 7150
1445	1 0 0 -1
1446	$EndComp
1447	$Comp
1448	L 74LS138 U2
1449	U 1 1 4CA86E2A
1450	P 1650 1250
1451	F 0 "U2" H 1750 1750 60 0000 C CNN
1452	F 1 "74LS138" H 1800 701 60 0000 C CNN
1453	1 1650 1250
1454	1 0 0 -1
1455	$EndComp
1456	$EndSCHEMATC

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source: avrstuff/CPC stuff/gordon/ramcard.sch@ 10d0d41

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