| Part | 74191 |
|---|---|
| Description | Synchronous 4-Bit Up/Down Counter |
| Manufacturer | Fairchild Semiconductor |
| Size | 72.74 KB |
The DM74LS191 circuit is a synchronous, reversible, up/ down counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change simultaneously when so instructed by the steering logic.
| Part Number | Manufacturer | Description |
|---|---|---|
| 74191 | SGS-THOMSON | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
| 74191 | National Semiconductor | Synchronous Up/Down 4-Bit Binary Counter |
| 74191 | Texas Instruments | Synchronous Up/Down Counters |
| 74190 | National Semiconductor | Synchronous Decade Up/Down Counters |
| 74199 | Fairchild Semiconductor | 8 Bit Parallel I/O Shift Register |
