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SOIC (D)
Integrated Circuits (ICs)

SN74LS156D

Obsolete
Texas Instruments

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS WITH OPEN-COLLECTOR OUTPUTS

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SOIC (D)
Integrated Circuits (ICs)

SN74LS156D

Obsolete
Texas Instruments

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS WITH OPEN-COLLECTOR OUTPUTS

Technical Specifications

Parameters and characteristics for this part

SpecificationSN74LS156D
Circuit [custom]2
Circuit [custom]1:4
Current - Output High, Low [custom]8 mA
Current - Output High, Low [custom]100 µA
Independent Circuits1
Mounting TypeSurface Mount
Operating Temperature [Max]70 °C
Operating Temperature [Min]0 °C
Package / Case16-SOIC
Package / Case [x]0.154 in
Package / Case [y]3.9 mm
Supplier Device Package16-SOIC
TypeDecoder/Demultiplexer
Voltage - Supply [Max]5.25 V
Voltage - Supply [Min]4.75 V
Voltage Supply SourceSingle Supply

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
Texas InstrumentsTUBE 1$ 0.87
100$ 0.67
250$ 0.49
1000$ 0.35

Description

General part information

SN74LS156 Series

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.

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.