74HC191
Schematic symbol
Synchronous up/down 4-bit binary counter: Counts from 0 to 15 on the rising edge of CP while CE is low; U/D low counts up and high counts down. PL low loads D0–D3 right away. TC and RC are used to chain several chips. Same pinout as the 74LS191.
integrated circuit
IC
chip
7400 series
logic
counter
binary counter
up/down counter
74HCT191
74LS191
74191
Details
- Reference Character
- U
- Default Value
- 74HC191
- Author
- Circuit Canvas
- License
- Circuit Canvas Parts License
- Library
- Circuit Canvas Library
