| Manufacturer | Part Number | Description |
|---|---|---|
Aeroflex Circuit Technology |
UT54ACS191 | Synchronous 4-Bit Up-Down Binary Counters |
|
Aeroflex Circuit Technology |
UT54ACS191E | Synchronous 4-Bit Up-Down Binary Counters |
| Unknown Manufacturer | UT54ACS191 | Synchronous 4-Bit Up-Down Binary Counters |
