SN74LS138N vs SN74LS240N

This in-depth comparison of the SN74LS138N and SN74LS240N provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

SN74LS138N

Texas Instruments

Lifecycle
Active
Stock
5031 PCS
Series
Logic - Signal Switches, Multiplexers, Decoders
+BOM RFQ
Part B

SN74LS240N

Texas Instruments

Lifecycle
Active
Stock
4090 PCS
Package
PDIP-20
Series
Logic - Buffers, Drivers, Receivers, Transceivers
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification SN74LS138N SN74LS240N
Series 74LS 74LS
Part Status Active Active
Base Product Number 74LS138 -
Type Decoder/Demultiplexer -
Circuit 1 x 3:8 -
Independent Circuits 1 -
Current - Output High, Low 400µA, 8mA -
Voltage Supply Source Single Supply -
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole
Packaging Tube -
Logic Type - Buffer, Inverting
Number of Elements - 2
Number of Bits per Element - 4
Output Type - 3-State
Current - Output High Low - 15mA, 24mA
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