| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 16 Pin |
| Case/Package | DIP |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
GENERAL 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.
●The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation.
●FEATURES
●• Synchronous reversible counting
●• Asynchronous parallel load
●• Count enable control for synchronous expansion
●• Single up/down control input
●• Output capability: standard
●• ICC category: MSI
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