AM26C32IDE4 Equivalent & Substitute Parts

Part Overview

The AM26C32IDE4 is a RS422/RS423 receiver interface IC manufactured by Texas Instruments in a 16-SOIC surface mount package. This component functions as a 0/4 receiver for differential signaling applications requiring reliable data transmission in industrial and communication systems. The part is currently in Last Time Buy status, indicating discontinued production. Identifying equivalent and substitute parts is essential for design continuity, long-term supply chain planning, and system maintenance.

Substiute Parts

AM26C32IDE4

Texas InstrumentsIn Stock: 1152AM26C32IDE4 Datasheet

Current PartRFQ

AM26C32ID

Texas InstrumentsIn Stock: 2942AM26C32ID Datasheet

MFR RecommendedRFQ

AM26C32IDR

Texas InstrumentsIn Stock: 22842AM26C32IDR Datasheet

MFR RecommendedRFQ

DS26C32ATM/NOPB

Texas InstrumentsIn Stock: 1330DS26C32ATM/NOPB Datasheet

Parametric EquivalentRFQ

DS34C86TM/NOPB

Texas InstrumentsIn Stock: 4013DS34C86TM/NOPB Datasheet

Parametric EquivalentRFQ

SP26LV432CN-L

MaxLinear, Inc.In Stock: 2877SP26LV432CN-L Datasheet

MFR RecommendedRFQ

ST26C32ABDR

STMicroelectronicsIn Stock: 87612ST26C32ABDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM26C32IDE4 is determined by the following critical parameters:

Primary Substitution Criteria:

• Protocol support: RS422 and/or RS423 compatibility
• Receiver configuration: 0/4 (4 receivers, 0 drivers)
• Receiver hysteresis: 60 mV
• Supply voltage range: 4.5V ~ 5.5V
• Operating temperature range: -40°C ~ 85°C
• Package type: 16-SOIC surface mount
• RoHS3 compliance

Substitution Categories:

MFR Recommended Substitutes (Direct replacements with identical electrical specifications):

• AM26C32ID: Same base product, different packaging (Tube)
• AM26C32IDR: Same base product, different packaging (Cut Tape & Digi-Reel), Active status
• ST26C32ABDR: STMicroelectronics equivalent with identical receiver configuration and temperature range

Parametric Equivalents (Functionally equivalent with all critical parameters matching):

• DS26C32ATM/NOPB: Texas Instruments alternative with identical specifications
• DS34C86TM/NOPB: Texas Instruments alternative with identical specifications

Limited Compatibility Substitute (Parameter deviations noted):

• SP26LV432CN-L: MaxLinear alternative with protocol support for RS422/RS485 (not RS423), reduced supply voltage (3.3V only), narrower operating temperature range (0°C ~ 70°C), and higher data rate capability (50Mbps)

Parameter Comparison

Engineering Selection Recommendations

Preferred Substitutes (Full Compatibility):

AM26C32IDR is the optimal substitute, offering identical electrical and mechanical specifications to the AM26C32IDE4 with Active product status and significantly higher inventory availability (22800 units). This part maintains full compatibility with existing designs without requiring circuit modifications.

DS26C32ATM/NOPB and DS34C86TM/NOPB are functionally equivalent alternatives from Texas Instruments with Active status. Both provide identical receiver configuration, hysteresis, supply voltage, and temperature range specifications. Selection between these options should be based on availability and lead time requirements.

ST26C32ABDR from STMicroelectronics provides a cross-manufacturer equivalent with identical critical parameters and the highest inventory level (87600 units). This part is suitable for applications where supply chain diversification is beneficial. The part is in Active status, ensuring long-term availability.

Conditional Substitute (Parameter Deviations):

SP26LV432CN-L from MaxLinear is suitable only for applications meeting all of the following conditions: (1) system operates exclusively at 3.3V supply voltage, (2) operating temperature range does not exceed 0°C to 70°C, and (3) RS485 protocol support is acceptable in place of RS423. This part is in Last Time Buy status and should not be selected for new designs requiring long-term supply continuity.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original AM26C32IDE4 specification.

Frequently Asked Questions (FAQ)

Q: Can AM26C32IDR be used as a direct replacement for AM26C32IDE4?

A: Yes. AM26C32IDR is electrically and mechanically identical to AM26C32IDE4. The difference is packaging format: AM26C32IDE4 is supplied in Tube packaging, while AM26C32IDR is supplied in Cut Tape and Digi-Reel format. Both are 16-SOIC surface mount packages with identical pinout and specifications. No circuit modifications are required.

Q: What is the difference between AM26C32IDE4 and DS26C32ATM/NOPB?

A: Both parts are functionally equivalent RS422/RS423 receivers with identical receiver configuration (0/4), hysteresis (60 mV), supply voltage (4.5V ~ 5.5V), and operating temperature range (-40°C ~ 85°C). The primary difference is the base product number and manufacturer designation. Both are suitable for direct substitution in existing designs.

Q: Why is SP26LV432CN-L listed as a limited compatibility substitute?

A: SP26LV432CN-L deviates from the AM26C32IDE4 specification in three critical areas: (1) supply voltage is fixed at 3.3V instead of 4.5V ~ 5.5V, (2) operating temperature range is 0°C ~ 70°C instead of -40°C ~ 85°C, and (3) protocol support includes RS485 but not RS423. This part is suitable only for applications designed specifically for 3.3V operation within the narrower temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the environmental and regulatory requirements of the original AM26C32IDE4.

Q: Which substitute offers the best long-term availability?

A: ST26C32ABDR from STMicroelectronics is in Active product status with the highest inventory level (87600 units), providing the strongest long-term supply assurance. AM26C32IDR is also in Active status with substantial inventory (22800 units). Both AM26C32IDE4 and SP26LV432CN-L are in Last Time Buy status and should not be selected for new designs.

Q: Can I mix different substitute parts in the same system?

A: Yes. All recommended substitutes (AM26C32IDR, DS26C32ATM/NOPB, DS34C86TM/NOPB, and ST26C32ABDR) are parametrically equivalent and can be used interchangeably within the same system. Pin configuration and functional behavior are identical across all parts.

Q: What is the moisture sensitivity level (MSL) for substitute parts?

A: AM26C32IDR, DS26C32ATM/NOPB, DS34C86TM/NOPB, and ST26C32ABDR all have MSL 1 (Unlimited), matching the original AM26C32IDE4. SP26LV432CN-L has MSL 2 (1 Year), requiring more stringent moisture control during storage and handling.