MAX3232CSE-T RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX3232CSE-T is a 2/2 full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated in 16-SOIC surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The MAX3232CSE-T operates across a 3V to 5.5V supply range with a 235 Kbps data rate and 300 mV receiver hysteresis, designed for standard RS232 serial communication applications.

Key Parameters

Parameter	MAX3232CSE-T
Manufacturer	Analog Devices Inc./Maxim Integrated
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	300 mV
Data Rate	235 Kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the MAX3232CSE-T is determined by the following critical parameters: RS232 protocol compliance, 2/2 driver/receiver configuration, full-duplex operation, 16-SOIC package format, surface mount technology, 3V to 5.5V supply voltage range, and ROHS3 compliance. Substitute parts are grouped into three categories based on their relationship to the main part:

Parametric Equivalent: MAX3232CSE+T maintains identical electrical specifications and packaging, differing only in product status (Active) and packaging format (Cut Tape & Digi-Reel).

Direct Manufacturer Equivalents: MAX3232CDR and MAX3232ECDR are functionally equivalent parts with minor data rate variations (250 Kbps vs. 235 Kbps) and active product status, supplied in Cut Tape & Digi-Reel format.

Manufacturer Recommended Alternatives: ADM202JRNZ, ADM202JRNZ-REEL, ADM202JRNZ-REEL7, ADM232AARNZ, ADM232AARNZ-REEL, ADM232AARNZ-REEL7, and ADM3202ARNZ represent alternative RS232 transceiver architectures with different receiver hysteresis values, data rates, and operating temperature ranges, all maintaining 2/2 configuration and 16-SOIC packaging.

Parameter Comparison

Part Number	Manufacturer	Product Status	Protocol	Drivers/Receivers	Duplex	Data Rate	Voltage Supply	Operating Temp	Package	RoHS Status
MAX3232CSE-T	Analog Devices Inc./Maxim Integrated	Obsolete	RS232	2/2	Full	235 Kbps	3V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
MAX3232CSE+T	Analog Devices Inc./Maxim Integrated	Active	RS232	2/2	Full	235 Kbps	3V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
MAX3232CDR	Texas Instruments	Active	RS232	2/2	Full	250 Kbps	3V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
MAX3232ECDR	Texas Instruments	Active	RS232	2/2	Full	250 Kbps	3V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
ADM202JRNZ	Analog Devices Inc.	Active	RS232	2/2	Full	Not specified	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
ADM202JRNZ-REEL	Analog Devices Inc.	Active	RS232	2/2	Full	Not specified	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
ADM202JRNZ-REEL7	Analog Devices Inc.	Active	RS232	2/2	Full	Not specified	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	ROHS3
ADM232AARNZ	UMW	Active	RS232	2/2	Full	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	ROHS3
ADM232AARNZ-REEL	Analog Devices Inc.	Active	RS232	2/2	Full	200 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	ROHS3
ADM232AARNZ-REEL7	Analog Devices Inc.	Active	RS232	2/2	Full	200 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	ROHS3
ADM3202ARNZ	Analog Devices Inc.	Active	RS232	2/2	Full	460 Kbps	3V ~ 5.5V	-40°C ~ 85°C	16-SOIC	ROHS3

Engineering Selection Recommendations

For direct replacement of the obsolete MAX3232CSE-T, the MAX3232CSE+T is the primary choice, offering identical electrical and mechanical specifications with active product status and ROHS3 compliance. This part maintains the 3V to 5.5V supply range and 0°C to 70°C operating temperature window of the original.

The MAX3232CDR and MAX3232ECDR from Texas Instruments provide functionally equivalent alternatives with marginally higher data rates (250 Kbps) and active product status. Both maintain the same supply voltage range and operating temperature specifications.

For applications requiring extended operating temperature range (-40°C to 85°C), the ADM3202ARNZ offers the highest data rate (460 Kbps) while maintaining 3V to 5.5V supply compatibility. The ADM232AARNZ-REEL and ADM232AARNZ-REEL7 provide intermediate data rates (200 Kbps) with extended temperature operation but require 4.5V to 5.5V supply voltage.

The ADM202 series (ADM202JRNZ, ADM202JRNZ-REEL, ADM202JRNZ-REEL7) operates within a narrower 4.5V to 5.5V supply range and maintains the original 0°C to 70°C temperature specification. All substitute parts maintain ROHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can MAX3232CDR or MAX3232ECDR directly replace MAX3232CSE-T?

A: Yes. Both parts maintain identical 2/2 RS232 transceiver configuration, 16-SOIC packaging, 3V to 5.5V supply range, and 0°C to 70°C operating temperature. The 250 Kbps data rate exceeds the original 235 Kbps specification, ensuring backward compatibility.

Q: What is the difference between MAX3232CSE+T and MAX3232CSE-T?

A: The MAX3232CSE+T is the active production equivalent with identical electrical specifications. The primary difference is product status (Active vs. Obsolete) and packaging format (Cut Tape & Digi-Reel vs. standard packaging).

Q: Why do ADM202 and ADM232 series parts have different supply voltage ranges?

A: The ADM202 and ADM232 series are designed for 4.5V to 5.5V operation, representing a narrower supply window compared to the MAX3232 series 3V to 5.5V range. Applications requiring 3V operation must use MAX3232CSE+T, MAX3232CDR, MAX3232ECDR, or ADM3202ARNZ.

Q: Is ADM3202ARNZ suitable for low-voltage applications?

A: Yes. The ADM3202ARNZ maintains 3V to 5.5V supply compatibility with the original MAX3232CSE-T while offering extended operating temperature (-40°C to 85°C) and higher data rate (460 Kbps).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental certifications.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in Tube, Cut Tape (CT), and Digi-Reel formats. The 16-SOIC package dimensions (0.154", 3.90mm Width) remain consistent across all parts, ensuring mechanical compatibility.

Q: Can I use ADM232AARNZ for applications requiring 3V operation?

A: No. The ADM232AARNZ requires 4.5V to 5.5V supply voltage and is not suitable for 3V applications. Use MAX3232CSE+T, MAX3232CDR, MAX3232ECDR, or ADM3202ARNZ for 3V compatibility.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message