AM26LS31CDBRE4 Equivalent & Substitute Parts

Part Overview

The AM26LS31CDBRE4 is a 4/0 Driver RS422/RS485 interface IC in a 16-SSOP surface mount package manufactured by Texas Instruments. This component is classified as discontinued at DiGi Electronics, making substitute part identification essential for ongoing production and maintenance applications. The part operates within a 4.75V to 5.25V supply voltage range and supports standard RS422 and RS485 serial communication protocols.

Substiute Parts

AM26LS31CDBRE4

Texas InstrumentsIn Stock: 775AM26LS31CDBRE4 Datasheet

Current PartRFQ

AM26LS31CDBR

Texas InstrumentsIn Stock: 3315AM26LS31CDBR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the AM26LS31CDBRE4 is determined by strict equivalence across the following critical parameters:

• Protocol Compatibility: RS422/RS485 driver functionality
• Driver/Receiver Configuration: 4/0 driver-only architecture
• Electrical Specifications: 4.75V ~ 5.25V supply voltage range
• Operating Temperature Range: 0°C ~ 70°C
• Package Type: 16-SSOP surface mount package with 0.209" width (5.30mm)
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The identified substitute part AM26LS31CDBR maintains full electrical and mechanical compatibility with the original part number while differing only in packaging format and product status classification.

Parameter Comparison

Engineering Selection Recommendations

The AM26LS31CDBR serves as a direct functional equivalent to the AM26LS31CDBRE4. Both parts share identical electrical specifications, thermal operating range, and package geometry. The substitute part maintains ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

The primary distinction between these parts is packaging format and product lifecycle status. The AM26LS31CDBR is available in both Cut Tape and Digi-Reel formats, providing flexibility in procurement quantities. While the original part is discontinued at DiGi Electronics, the substitute part is classified as obsolete, indicating limited but potentially available inventory through authorized distributors.

Selection between these parts should be based on packaging requirements and current inventory availability through your supply chain. Both parts are electrically and mechanically interchangeable for RS422/RS485 driver applications requiring 4/0 configuration in 16-SSOP packages.

Frequently Asked Questions (FAQ)

Q: Are AM26LS31CDBRE4 and AM26LS31CDBR electrically identical?

A: Yes. Both parts operate at 4.75V ~ 5.25V supply voltage, support RS422/RS485 protocols, and feature 4/0 driver/receiver configuration. Electrical performance and pin compatibility are identical.

Q: What is the difference between these part numbers?

A: The primary differences are packaging format and product status. AM26LS31CDBRE4 uses Digi-Reel packaging and is discontinued at DiGi Electronics. AM26LS31CDBR is available in Cut Tape and Digi-Reel formats and is classified as obsolete.

Q: Can I use AM26LS31CDBR as a direct replacement on existing PCBs?

A: Yes. Both parts use identical 16-SSOP packages with 0.209" width (5.30mm). Pin configuration, spacing, and mounting requirements are identical, enabling direct PCB substitution.

Q: Are both parts RoHS compliant?

A: Yes. Both AM26LS31CDBRE4 and AM26LS31CDBR are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What operating temperature range do these parts support?

A: Both parts operate across 0°C to 70°C. This temperature range applies to all electrical and functional specifications.

Q: Which packaging format should I select?

A: AM26LS31CDBR offers both Cut Tape (CT) and Digi-Reel packaging options. Select based on your procurement volume and assembly process requirements. Cut Tape is suitable for lower volumes, while Digi-Reel accommodates higher-volume automated assembly.