The DM74LS193 circuit is a synchronous up/down 4-bit binary counter.
Representative 74193 image (package may vary by manufacturer)
| Part Number | Manufacturer | Description |
|---|---|---|
| 74192 | STMicroelectronics | SYNCHRONOUS UP/DOWN DECADE/BINARY COUNTER |
| 74191 | National Semiconductor | Synchronous Up/Down 4-Bit Binary Counter |
| 74192 | National Semiconductor | Up / Down Decade Counter |
| 74191 | Texas Instruments | Synchronous Up/Down Counters |
| 74190 | SGS-THOMSON | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
| 74191 | SGS-THOMSON | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS |
| 74199 | Signetics | Shift Register |
| 74199 | Fairchild Semiconductor | 8 Bit Parallel I/O Shift Register |
| 74198 | National Semiconductor | 8-Bit R/L Shift Register |
| 74190 | National Semiconductor | Synchronous Decade Up/Down Counters |
