74HC157 Quad 2-Line to 1-Line Data Selector/Multiplexer
Quad 2-line to 1-line multiplexer with non-inverting outputs, common select input, and common active-low strobe/enable.
Aliase:SN74HC157N, 74HCT157, Quad 2-to-1 Mux
DIP-16 Top View
16 Pins
Pinout Table16
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | S | Digital | Common Data Select Input (Low=A, High=B) |
| 2 | 1A | Digital | Channel 1 Data Input A |
| 3 | 1B | Digital | Channel 1 Data Input B |
| 4 | 1Y | Digital | Channel 1 Selected Data Output |
| 5 | 2A | Digital | Channel 2 Data Input A |
| 6 | 2B | Digital | Channel 2 Data Input B |
| 7 | 2Y | Digital | Channel 2 Selected Data Output |
| 8 | GND | Ground | System Ground (0V) |
| 9 | 3Y | Digital | Channel 3 Selected Data Output |
| 10 | 3B | Digital | Channel 3 Data Input B |
| 11 | 3A | Digital | Channel 3 Data Input A |
| 12 | 4Y | Digital | Channel 4 Selected Data Output |
| 13 | 4B | Digital | Channel 4 Data Input B |
| 14 | 4A | Digital | Channel 4 Data Input A |
| 15 | ~G | Digital | Strobe / Output Enable (Active Low; High forces outputs Low) |
| 16 | VCC | Power | Positive Supply Voltage (+2V to +6V) |