- SN74ALS191N
- Motorola
- Synchronous Binary 4-Bit Up/Down Decade and Binary Counter
- SN74ALS191N
- N/a
- Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
- SN74ALS191N
- Texas Instruments
- Synchronous Binary 4-Bit Up/Down Counter with Preset
- SN74ALS191N3
- Texas Instruments
- Synchronous Binary 4-Bit Up/Down Counter with Preset