Back to browse
74469
8-bit synchronous up/down counter, parallel load and hold capability (obsolete)
Schematic Symbol
Pin Configuration (24 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | CLK | input |
| 2 | LD | input |
| 3 | D0 | input |
| 4 | D1 | input |
| 5 | D2 | input |
| 6 | D3 | input |
| 7 | D4 | input |
| 8 | D5 | input |
| 9 | D6 | input |
| 10 | D7 | input |
| 11 | UD | input |
| 12 | GND | power_in |
| 13 | OE | input |
| 14 | CBO | output |
| 15 | Q7 | tri_state |
| 16 | Q6 | tri_state |
| 17 | Q5 | tri_state |
| 18 | Q4 | tri_state |
| 19 | Q3 | tri_state |
| 20 | Q2 | tri_state |
| 21 | Q1 | tri_state |
| 22 | Q0 | tri_state |
| 23 | CBI | input |
| 24 | VCC | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.
