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PAL20R8xx-P
Programmable Array Logic (PAL), 20 array inputs (12 dedicated inputs), 8 registered outputs (active-low), DIP-24
Schematic Symbol
Pin Configuration (24 pins)
| Pin | Name | Type |
|---|---|---|
| 12 | GND | power_in |
| 24 | V_{CC} | power_in |
| 1 | CLK | input |
| 2 | I_{1} | input |
| 3 | I_{2} | input |
| 4 | I_{3} | input |
| 5 | I_{4} | input |
| 6 | I_{5} | input |
| 7 | I_{6} | input |
| 8 | I_{7} | input |
| 9 | I_{8} | input |
| 10 | I_{9} | input |
| 11 | I_{10} | input |
| 13 | ~{OE} | input |
| 14 | I_{11} | input |
| 15 | ~{O_{1}} | tri_state |
| 16 | ~{O_{2}} | tri_state |
| 17 | ~{O_{3}} | tri_state |
| 18 | ~{O_{4}} | tri_state |
| 19 | ~{O_{5}} | tri_state |
| 20 | ~{O_{6}} | tri_state |
| 21 | ~{O_{7}} | tri_state |
| 22 | ~{O_{8}} | tri_state |
| 23 | I_{12} | input |
Footprint
ConfirmedPackage_DIP/DIP-24_W7.62mm
Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pads (24)
| 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 |