| SN54ALS191AJ | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER in 16-pin J package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| SN74ALS191AD | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS in 16-pin D package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SN74ALS191ADR | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS in 16-pin D package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SN74ALS191AN | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS in 16-pin N package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SNJ54ALS191AFK | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER in 20-pin FK package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| SNJ54ALS191AJ | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER in 16-pin J package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| SNJ54ALS191AW | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER in 16-pin W package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| SN54ALS190 | SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS | Datasheet*) |
| SN54ALS191 | SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS | Datasheet*) |
| SN74ALS190 | SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS | Datasheet*) |
| SN74ALS191 | SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS | Datasheet*) |
| SN54ALS191A | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Datasheet*) |
| SN54ALS191AFK | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Datasheet*) |
| SN74ALS191A | SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS | Datasheet*) |
