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Dual 2 to-4 Line Decoder/Demultiplexer DIP-16

View 74LS155: LS Dual 2 to-4 Line Decoder/Demultiplexer (74LS Series)

74LS155: LS Dual 2 to-4 Line Decoder/Demultiplexer (74LS Series)

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Jameco Part no. 46754
Manufacturer   MAJOR BRANDS
Manufacturer no. 74LS155
Catalog 152 , page 3
Learn more about Major Brands.
Pricing & Availability


# of Unit Price
1+ $1.19
10+ $1.09
100+ $0.95
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These TTL circuits feature dual 1-line-to-4-line demultiplexers with individual strobes and common binary-address inputs in a single 16-pin package. When both sections are enabled by the strobes, the common address inputs sequentially select and route associated input data to the appropriate output of each section. The individual strobes permit activating or inhibiting each of the 4-bit sections as desired. Data applied to input C1 is inverted at its outputs and data applied at C2 is true through its outputs. The inverter following the C1 data input permits use as a 3-to-8-line decoder, or 1-to-8-line demultiplexer, without external gating. Input clamping diodes are provided on these circuits to minimize transmission-line effects and simplify system design.


  • Applications: Dual 2-to-4-line decoder, Dual 1-to-4-line demultiplexer, 3-to-8-line decoder, and 1-to-8-line demultiplexer
  • Individual strobes simplify cascading for decoding or demultiplexing larger words
  • Input clamping diodes simplify system design

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  • Specification Value
    Supply Voltage-Nom (Vsup) (V)5

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