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/ Amiga Format CD 22 / Amiga Format AFCD22 (Jan 1998, Issue 106).iso / -seriously_amiga- / shareware / hardware / a500ide / schem.iff (.png)

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IFF Interleaved Bitmap Image  |  1997-11-05  |  12KB  |  640x512  |  1-bit (2 colors)

Labels: text | screenshot | diagram | circuit
OCR: 74688 PO 00 P1 01 P2 02 P3 03 P4 04 P5 05 P6 06 P7 07 *OE OUT 74F04 A16 A17 A18 A19 A20 A21 A22 A23 *AS AMIGA GROUNDS *RESET R/W AMIGA A2 A3 A4 AMIGA DO D1 D2 D3 D4 D5 D6 D7 D8 D9 D18 D11 D12 D13 D14 D15 A12 +5V 8x100k DRIVE GROUNDS *RESET *CS1 *CS0 AO DRIVE A1 A2 D8 DRIVE D9 D10 D11 D12 D13 D14 D15 DO D1 D2 D3 D4 D5 D6 ·D7 $DA0000 GND *ALE gnd +5V 1 k 74AS00 7400 GND 100nF POWER SUPPLY +12V GND GND +5V +5V IGND 4 1 x 2 3+ 7404 4 |||| DRIVE POWER +12 V GND GND +5 V *IOR *IOW 14 13 12 11 10 3 0 †9 GND 8 Connect By-Pass Capacitors close to each IC's Power Supply Lines. 74688 1 *OE 5V 20 2 PO 3 00 UT 19 07 18 4 P1 5 01 6 P2 702 P7 17 06 16 P6 15 05 14 P5 13 8 P3 9 03 04 12 10 GND P4 11

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