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Author: Walt Thain
Project access type: Public
Description:
All functions of the 74191 synchronous 4-bit up/down counter with mode control are modeled. Timing is not modeled.
Synchronous functions: count up, count down, max/min, ripple clock
Asynchronous functions: parallel load.
The subcircuit layout has all pins numbered and labeled matching the order on the IC.
VCC and GND pins are non-functional but present for schematic connection purposes.
Created: Mar 31, 2023
Updated: Aug 27, 2023
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