| Manufacturer | Part Number | Description |
|---|---|---|
Renesas
| HD74LS193 | Synchronous Up / Down Decade Counter |
|
Renesas
| HD74LS193P | Synchronous Up / Down Decade Counter |
Hitachi Semiconductor (now Renesas)
| HD74LS193 | Synchronous Up/Down 4-bit Binary Counters |
