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MC6845
CRT Controller 1MHz, DIP-40
Schematic Symbol
Pin Configuration (40 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | GND | power_in |
| 2 | ~{RESET} | input |
| 3 | LPSTB | input |
| 4 | MA0 | output |
| 5 | MA1 | output |
| 6 | MA2 | output |
| 7 | MA3 | output |
| 8 | MA4 | output |
| 9 | MA5 | output |
| 10 | MA6 | output |
| 11 | MA7 | output |
| 12 | MA8 | output |
| 13 | MA9 | output |
| 14 | MA10 | output |
| 15 | MA11 | output |
| 16 | MA12 | output |
| 17 | MA13 | output |
| 18 | DE | output |
| 19 | CURSOR | output |
| 20 | VCC | power_in |
| 21 | CLK | input |
| 22 | R/~{W} | input |
| 23 | E | input |
| 24 | RS | input |
| 25 | ~{CS} | input |
| 26 | D7 | bidirectional |
| 27 | D6 | bidirectional |
| 28 | D5 | bidirectional |
| 29 | D4 | bidirectional |
| 30 | D3 | bidirectional |
| 31 | D2 | bidirectional |
| 32 | D1 | bidirectional |
| 33 | D0 | bidirectional |
| 34 | RA4 | output |
| 35 | RA3 | output |
| 36 | RA2 | output |
| 37 | RA1 | output |
| 38 | RA0 | output |
| 39 | HS | output |
| 40 | VS | output |
Footprint
ConfirmedPackage_DIP/DIP-40_W15.24mm
Pad Layout
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2
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40
Pads (40)
| Number | Type |
|---|---|
| 1 | thru hole |
| 2 | thru hole |
| 3 | thru hole |
| 4 | thru hole |
| 5 | thru hole |
| 6 | thru hole |
| 7 | thru hole |
| 8 | thru hole |
| 9 | thru hole |
| 10 | thru hole |
| 11 | thru hole |
| 12 | thru hole |
| 13 | thru hole |
| 14 | thru hole |
| 15 | thru hole |
| 16 | thru hole |
| 17 | thru hole |
| 18 | thru hole |
| 19 | thru hole |
| 20 | thru hole |
| 21 | thru hole |
| 22 | thru hole |
| 23 | thru hole |
| 24 | thru hole |
| 25 | thru hole |
| 26 | thru hole |
| 27 | thru hole |
| 28 | thru hole |
| 29 | thru hole |
| 30 | thru hole |
| 31 | thru hole |
| 32 | thru hole |
| 33 | thru hole |
| 34 | thru hole |
| 35 | thru hole |
| 36 | thru hole |
| 37 | thru hole |
| 38 | thru hole |
| 39 | thru hole |
| 40 | thru hole |