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