SN74HC151 8-to-1 Data Selector/Multiplexer
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Prices updated: 12 Oct 2026
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About this product
The SN74HC151 is a CMOS 8-to-1 data selector/multiplexer with three binary select inputs, an active-low enable and complementary outputs. It chooses one of eight data inputs and is used for logic implementation, input expansion and routing signals from several sources.
Specifications
- Function
- 8-to-1 data selector/multiplexer
- Select inputs
- 3 binary
- Outputs
- Complementary (Y and W)
- Enable
- Active low
- Logic family
- HC (CMOS)
- Supply voltage
- 2 V to 6 V
- Package
- DIP-16
Frequently asked questions
What is the difference between the Y and W outputs?
W is the complement of Y, so when one is high the other is low. You can use whichever polarity your circuit needs.
How do I use the enable input?
The enable input is active low. When it is held high, the device is disabled and Y is forced low; check the datasheet for the W output state in that condition.
