SN74LS245DBR vs SN74LS640DBR

This in-depth comparison of the SN74LS245DBR and SN74LS640DBR 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

SN74LS245DBR

Texas Instruments

Lifecycle
Active
Stock
1304 PCS
Package
SSOP-20
Series
Logic - Buffers, Drivers, Receivers, Transceivers
+BOM RFQ
Part B

SN74LS640DBR

Texas Instruments

Lifecycle
Active
Stock
4534 PCS
Package
SSOP-20
Series
Logic - Buffers, Drivers, Receivers, Transceivers
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification SN74LS245DBR SN74LS640DBR
Supplier - Texas Instruments,Rochester Electronics, LLC
Series 74LS 74LS
Part Status Active Active
Logic Type Transceiver, Non-Inverting Transceiver, Inverting
Number of Elements 1 1
Number of Bits per Element 8 8
Output Type 3-State 3-State
Current - Output High Low 15mA, 24mA 15mA, 24mA
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
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