- 74HC251
8-input multiplexer; 3-state - 74HC251D
8-input multiplexer; 3-state - 74HC251D-T
8-Input Digital Multiplexer - 74HC251DB
8-input multiplexer; 3-state - 74HC251N
8-input multiplexer; 3-state - 74HC251PW
8-input multiplexer; 3-state - 74HC251U
8-input multiplexer; 3-state - 74HC253
Dual 4-input multiplexer; 3-state - 74HC253D
Dual 4-input multiplexer; 3-state - 74HC253D-T
4-Input Digital Multiplexer - 74HC253DB
Dual 4-input multiplexer; 3-state - 74HC253N
Dual 4-input multiplexer; 3-state - 74HC253PW
Dual 4-input multiplexer; 3-state - 74HC253U
Dual 4-input multiplexer; 3-state - 74HC257
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs