SN74ALS191A Overview
Key Specifications
Package: PDIP
Mount Type: Through Hole
Pins: 16
Operating Voltage: 5 V
Description
J PACKAGE SN74ALS191A. D OR N PACKAGE (TOP VIEW) B1 QB 2 QA 3 CTEN 4 D/U 5 QC 6 QD 7 GND 8 16 VCC 15 A 14 CLK 13 RCO 12 MAX/MIN 11 LOAD 10 C 9D The ’ALS191A are synchronous 4-bit reversible up/down binary counters.
Key Features
- a fully independent clock circuit
- The function of the counter is dictated solely by the conditions meeting the stable setup and hold times
- These counters are fully programmable
- Each output can be preset to either level by placing a low on the LOAD i