| Manufacturer | Part Number | Description |
|---|---|---|
SGS-THOMSON
| 74191 | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
Fairchild (now onsemi)
| 74191 | Synchronous 4-Bit Up/Down Counter |
National Semiconductor (now Texas Instruments)
| 74191 | Synchronous Up/Down 4-Bit Binary Counter |
Texas Instruments
| 74191 | Synchronous Up/Down Counters |
|
Texas Instruments
| SN74191 | SYNCHRONOUS UP/DOWN COUNTERS |
|
National Semiconductor (now Texas Instruments)
| DM74191 | Synchronous Up/Down 4-Bit Binary Counter with Mode Control |
