SN74LS156NE4

SN74LS156NE4

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SN74LS156NE4
DUAL 2-LINE TO 4-LINE DECODERS/D
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Description

These monolithic transistor-transistor-logic (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 binary-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 1C is inverted at its outputs and data applied at 2C\ is not inverted through its outputs. The inverter following the 1C 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 all of these circuits to minimize transmission-line effects and simplify system design.

Feature

  • Applications:
    • Dual 2-to 4-Line Decoder
    • Dual 1-to 4-Line Demultiplexer
    • 3-to 8-Line Decoder
    • 1-to 8-Line Demultiplexer
  • Individual Strobes Simplify Cascading for Decoding or Demultiplexing Larger Words
  • Input Clamping Diodes Simplify System Design
  • Choice of Outputs:
    • Totem Pole ('155, 'LS155A)
    • Open-Collector ('156, 'LS156)

Description

These monolithic transistor-transistor-logic (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 binary-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 1C is inverted at its outputs and data applied at 2C\ is not inverted through its outputs. The inverter following the 1C 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 all of these circuits to minimize transmission-line effects and simplify system design.

Product Attributes

TYPE DESCRIPTION Select all
Series 74LS
Package Tube
Product Status Active
Type Decoder/Demultiplexer
Circuit 2 x 2:4
Independent Circuits 1
Current - Output High, Low -, 8mA
Voltage Supply Source Single Supply
Voltage - Supply 4.75V ~ 5.25V
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package / Case 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP

$0.57

Price update:a months ago
Available in stock: 4856
Texas Instruments

Texas Instruments

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