| Manufacturer | Part Number | Description |
|---|---|---|
National Semiconductor (now Texas Instruments)
| 54LS190 | Synchronous 4-Bit Up/Down Counters |
Texas Instruments
| SN54LS190 | SYNCHRONOUS UP/DOWN COUNTERS |
|
Texas Instruments
| 54LS190 | SYNCHRONOUS UP/DOWN COUNTERS |
Motorola Semiconductor (now NXP Semiconductors)
| 54LS190 | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS |
|
National Semiconductor (now Texas Instruments)
| DM54LS190 | Synchronous 4-Bit Up/Down Counters |
Motorola Semiconductor (now NXP Semiconductors)
| SN54LS190 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER |
