Enable or Disable a Digital Signal

See more about this use case in the Logic Minute video Enable or Disable a Digital Signal.

Design Considerations

Refer to the table below to select the right function to meet system requirements
Select the right family based on device parameters desired (for example, low power, strong drive, and high speed)
[FAQ] What is the default output of a latched device? (Flip-Flop, latch, register)
[FAQ] What's the difference between logic output types (push-pull, open-drain, 3-state)?
[FAQ] How do I size pull-up or pull-down resistors?
[FAQ] What is a floating input or floating node?
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Recommended Parts

Part Number	AEC-Q100	Input Type	Behavior When Disabled	Features
SN74LVC1G08		Enable	LOW	Wide operating supply range (1.65 V – 5.5 V) High drive strength (32 mA) Over-voltage tolerant inputs Back-drive protection
SN74LVC1G08-Q1	✓	Enable	LOW
SN74LVC1G32		Disable	HIGH
SN74LVC1G32-Q1	✓	Disable	HIGH
SN74LVC1G126		Enable	3-state
SN74LVC1G126-Q1	✓	Enable	3-state
SN74LVC1G373		Enable	Last known state

For more devices, browse through the online parametric tool where you can sort by desired voltage, channel numbers, and other features.

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