MAX3232CDWRE4 Equivalent & Substitute Parts

Part Overview

The MAX3232CDWRE4 is a full-duplex RS232 transceiver interface IC manufactured by Texas Instruments, featuring 2 drivers and 2 receivers in a 16-SOIC surface mount package. This component is designed for serial communication applications requiring RS232 protocol compliance with supply voltage operation between 3V and 5.5V.

The MAX3232CDWRE4 is currently discontinued at DiGi Electronics. Equivalent substitute parts are available from Texas Instruments with identical electrical and mechanical specifications, ensuring direct functional replacement without circuit redesign.

Substiute Parts

MAX3232CDWRE4

Texas InstrumentsIn Stock: 1081MAX3232CDWRE4 Datasheet

Current PartRFQ

MAX3232CDWR

Texas InstrumentsIn Stock: 4018MAX3232CDWR Datasheet

Parametric EquivalentRFQ

MAX3232ECDWR

Texas InstrumentsIn Stock: 2281MAX3232ECDWR Datasheet

Parametric EquivalentRFQ

TRS3232ECDWR

Texas InstrumentsIn Stock: 2475TRS3232ECDWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MAX3232CDWRE4 are qualified based on the following critical parameters that determine functional equivalence:

• Protocol: RS232
• Number of Drivers/Receivers: 2/2
• Duplex: Full
• Receiver Hysteresis: 300 mV
• Data Rate: 250 kbps
• Voltage - Supply: 3V ~ 5.5V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-SOIC (0.295", 7.50mm Width)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed maintain identical electrical performance characteristics and mechanical compatibility. Packaging variations (Cut Tape, Tape & Reel) do not affect functional equivalence and are selected based on procurement and assembly requirements.

Parameter Comparison

Engineering Selection Recommendations

MAX3232ECDWR is the primary substitute for the MAX3232CDWRE4. This part maintains Active product status with Texas Instruments, ensuring long-term availability and supply chain stability. All electrical and mechanical parameters are identical to the original part.

TRS3232ECDWR is an alternative substitute with Active product status. This part is functionally equivalent with identical electrical specifications and 16-SOIC packaging. Selection between MAX3232ECDWR and TRS3232ECDWR depends on procurement availability and packaging format requirements (Cut Tape & Digi-Reel versus Tape & Reel).

MAX3232CDWR is available as a Last Time Buy option. This part is electrically and mechanically equivalent but represents a declining availability status. Use this part only when MAX3232ECDWR or TRS3232ECDWR are unavailable.

All substitute parts are ROHS3 compliant and REACH unaffected, meeting regulatory requirements equivalent to the original part.

Frequently Asked Questions (FAQ)

Q: Can MAX3232ECDWR directly replace MAX3232CDWRE4 without circuit modification?

A: Yes. MAX3232ECDWR is a parametric equivalent with identical electrical specifications (RS232 protocol, 2/2 drivers/receivers, 250 kbps data rate, 3V–5.5V supply voltage) and mechanical compatibility (16-SOIC package). No circuit redesign is required.

Q: What is the difference between MAX3232CDWR, MAX3232ECDWR, and TRS3232ECDWR?

A: All three parts are functionally equivalent with identical electrical performance. Differences exist only in product status and packaging format. MAX3232ECDWR and TRS3232ECDWR are Active products; MAX3232CDWR is Last Time Buy. Packaging variations (Cut Tape, Tape & Reel) do not affect electrical function and are selected based on assembly process requirements.

Q: Are all substitute parts RoHS and REACH compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original MAX3232CDWRE4.

Q: Does the 16-SOIC package remain the same across all substitutes?

A: Yes. All substitute parts use the 16-SOIC (0.295", 7.50mm Width) package, ensuring PCB footprint compatibility and direct mechanical replacement.

Q: Which substitute should be selected for new designs?

A: MAX3232ECDWR or TRS3232ECDWR are recommended for new designs due to Active product status. Both parts offer identical electrical performance and long-term availability assurance.