| Manufacturer | Part Number | Description |
|---|---|---|
Texas Instruments
| SN74LS163A | SYNCHRONOUS 4-BIT COUNTERS |
| SN74LS163A | BCD Decade Counters / 4-Bit Binary Counters | |
Motorola Semiconductor (now NXP Semiconductors)
| SN74LS163A | BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS |