74HCT191 Description
The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin patible with low power Schottky TTL (LSTTL). They are specified in pliance with JEDEC standard no. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters.
74HCT191 Key Features
- Synchronous reversible counting
- Asynchronous parallel load
- Count enable control for synchronous expansion
- Single up/down control input
- Output capability: standard
- ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin patible with low p