| Manufacturer | Part Number | Description |
|---|---|---|
Motorola Semiconductor (now NXP Semiconductors) |
54LS90 | DECADE COUNTER |
Texas Instruments |
SN54LS90 | DIVIDE-BY-TWELVE AND BINARY COUNTERS |
| Unknown Manufacturer | 54LS90 | DECADE COUNTER |
Motorola Semiconductor (now NXP Semiconductors) |
SN54LS90 | 4-BIT BINARY COUNTER |
