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74LS640
Schematic Symbol
Pin Configuration (20 pins)
| Pin | Name | Type |
|---|---|---|
| 10 | GND | power_in |
| 20 | VCC | power_in |
| 1 | GAB | input |
| 2 | A0 | tri_state |
| 3 | A1 | tri_state |
| 4 | A2 | tri_state |
| 5 | A3 | tri_state |
| 6 | A4 | tri_state |
| 7 | A5 | tri_state |
| 8 | A6 | tri_state |
| 9 | A7 | tri_state |
| 11 | ~{B7} | tri_state |
| 12 | ~{B6} | tri_state |
| 13 | ~{B5} | tri_state |
| 14 | ~{B4} | tri_state |
| 15 | ~{B3} | tri_state |
| 16 | ~{B2} | tri_state |
| 17 | ~{B1} | tri_state |
| 18 | ~{B0} | tri_state |
| 19 | ~{GBA} | input |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.