AM26C31CDR Equivalent & Substitute Parts

Part Overview

The AM26C31CDR is a 4/0 driver interface IC manufactured by Texas Instruments in a 16-SOIC surface mount package. This component is classified as Last Time Buy, indicating discontinued production with limited remaining inventory. The AM26C31CDR operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature range of 0°C to 70°C. Due to its Last Time Buy status, identifying functionally equivalent substitute parts is essential for design continuity and long-term component availability.

Substiute Parts

AM26C31CDR

Texas InstrumentsIn Stock: 12337AM26C31CDR Datasheet

Current PartRFQ

AM26C31IDR

Texas InstrumentsIn Stock: 20198AM26C31IDR Datasheet

MFR RecommendedRFQ

DS26C31TM/NOPB

Texas InstrumentsIn Stock: 1540DS26C31TM/NOPB Datasheet

UpgradeRFQ

DS26C31TMX/NOPB

Texas InstrumentsIn Stock: 20390DS26C31TMX/NOPB Datasheet

UpgradeRFQ

ST26C31BDR

STMicroelectronicsIn Stock: 30523ST26C31BDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM26C31CDR is determined by the following critical parameters: identical package type (16-SOIC), matching driver/receiver configuration (4/0), compatible supply voltage range (4.5V ~ 5.5V), surface mount mounting type, and compliance with ROHS3 and REACH standards.

The substitute parts are grouped into two categories:

MFR Recommended Substitutes: Parts that maintain identical electrical specifications and package compatibility with the main part. These include AM26C31IDR (Texas Instruments, Active status, extended operating temperature -40°C to 85°C) and ST26C31BDR (STMicroelectronics, Active status, RS422/RS485 protocol support).

Upgrade Substitutes: Parts that provide enhanced functionality while maintaining core compatibility. DS26C31TM/NOPB and DS26C31TMX/NOPB (both Texas Instruments, Active status) add RS422/RS485 protocol support and extended operating temperature range (-40°C to 85°C).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: AM26C31IDR is the primary substitute, maintaining Texas Instruments manufacturing and identical electrical specifications while offering Active product status and extended operating temperature range (-40°C to 85°C). This part is suitable for applications requiring direct pin-compatible substitution.

For Enhanced Capability: DS26C31TM/NOPB and DS26C31TMX/NOPB provide RS422/RS485 protocol support with identical package and voltage specifications. DS26C31TMX/NOPB is available in Cut Tape & Digi-Reel packaging, while DS26C31TM/NOPB is supplied in Tube packaging. Both maintain Active product status and ROHS3 compliance.

For Cross-Manufacturer Substitution: ST26C31BDR (STMicroelectronics) offers equivalent functionality with RS422/RS485 protocol support and Active product status. Note the MSL rating difference (3 vs. 1), which may impact moisture handling requirements during assembly.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and identical HTSUS classification (8542.39.0001), ensuring regulatory consistency.

Frequently Asked Questions (FAQ)

Q: Can AM26C31IDR directly replace AM26C31CDR? A: Yes. AM26C31IDR maintains identical package (16-SOIC), driver configuration (4/0), supply voltage (4.5V ~ 5.5V), and mounting type. The primary difference is extended operating temperature range (-40°C to 85°C vs. 0°C to 70°C) and Active product status, making it a direct functional substitute.

Q: What is the difference between DS26C31TM/NOPB and DS26C31TMX/NOPB? A: Both parts are functionally identical with RS422/RS485 protocol support. The primary difference is packaging: DS26C31TM/NOPB is supplied in Tube, while DS26C31TMX/NOPB is supplied in Cut Tape & Digi-Reel. Select based on your procurement and assembly requirements.

Q: Is ST26C31BDR compatible with AM26C31CDR? A: Yes, ST26C31BDR is compatible. It maintains the same 16-SOIC package, 4/0 driver configuration, and 4.5V ~ 5.5V supply voltage. The MSL rating differs (3 vs. 1), requiring different moisture handling during assembly. RS422/RS485 protocol support is an additional feature.

Q: Why does AM26C31CDR have Last Time Buy status? A: Last Time Buy status indicates the manufacturer has discontinued production. Existing inventory is limited. Substituting with Active status parts (AM26C31IDR, DS26C31 series, or ST26C31BDR) ensures long-term component availability.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory consistency with the original AM26C31CDR.

Q: Can I use a substitute part with a different operating temperature range? A: Substitute parts with extended operating temperature ranges (-40°C to 85°C) are suitable for applications operating within the original range (0°C to 70°C). Verify your application's thermal requirements before selection.