Datasheet Details
| Part number | 74HC191D |
|---|---|
| Manufacturer | Nexperia |
| File Size | 293.43 KB |
| Description | Presettable synchronous 4-bit binary up/down counter |
| Datasheet |
 74HC191D Datasheet
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General Description
The 74HC191 is an asynchronously presettable 4-bit binary up/down counter.
It contains four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation.
Key Features
- Wide supply voltage range from 2.0 to 6.0 V.
- CMOS low power dissipation.
- High noise immunity.
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
- CMOS input levels.
- Synchronous reversible counting.
- Asynchronous parallel load.
- Count enable control for synchronous expansion.
- Single up/down control input Nexperia 74HC191 Presettable synchronous 4-bit binary up/down counter.
- Complies with JEDEC.