Digital demultiplexers & decoders

Buffered 1-bit to 4-bit decoders that are great for input/output expansion

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Resolve common I/O limitation issues such as increasing the number of inputs on a microcontroller or increasing the number of outputs on a microcontroller with our portfolio than 100 digital demultiplexers and decoders. Included are 1-to-2, 2-to-4, and 3-to-8 line demultiplexers/decoders. 

Why should you choose our digital demultiplexers & decoders?

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Diverse package offering

20 different package types in four different pin counts provides options for any application

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Strobe enable and address latching options

Enable high outputs or addressable latching options allow the user to change these inputs without affecting outputs

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Schmitt-trigger inputs

Leading to superior noise immunity and more reliable performance

Anatomy of a logic part number

Learn more about the different TI logic families and their specifications

Logic part numbers use a formulaic naming system to denote the device's functionality and features. This video reviews the components to a logic part's name.

Featured products for Digital demultiplexers & decoders
SN74HCS137 ACTIVE 3-to-8 line decoder demultiplexer with address latches
SN74LVC1G18 ACTIVE One of Two Noninverting Demultiplexer with 3-State Deselected Output
SN74AHC138 ACTIVE 2V-to-5.5V 3-line to 8-line decoder and demultiplexer

Technical resources

Application note
Application note
Implications of Slow or Floating CMOS Inputs (Rev. E)
When designing systems using CMOS and BiCMOS devices, one must understand the characteristics of these families and the way inputs and outputs behave in systems.
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Application brief
Application brief
Understanding Schmitt Triggers (Rev. B)
Schmitt triggers improve noise immunity and many of our digital demultiplexers & decoders incorporate them.
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Application note
Application note
Reduce Noise and Save Power with the New HCS Logic Family (Rev. A)
TI developed the HCS family to improve performance and robustness over older technology.
document-pdfAcrobat PDF