Datasheet Details
| Part number | 74HCT191 |
|---|---|
| Manufacturer | Philips Semiconductors (now NXP Semiconductors) |
| File Size | 108.17 KB |
| Description | Presettable synchronous 4-bit binary up/down counter |
| Datasheet |
 74HCT191 Datasheet
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Description
The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).
They are specified in compliance with JEDEC standard no.
7A.
Features
- Synchronous reversible counting.
- Asynchronous parallel load.
- Count enable control for synchronous expansion.
- Single up/down control input.
- Output capability: standard.
- ICC category: MSI.