TRS213CDWG4 Equivalent & Substitute Parts

Part Overview

The TRS213CDWG4 is a full-duplex RS232 transceiver IC manufactured by Texas Instruments, housed in a 28-SOIC surface mount package. This device integrates 4 drivers and 5 receivers for bidirectional serial communication at data rates up to 120 Kbps. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, design updates, and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	TRS213CDWG4
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/5
Duplex	Full
Data Rate	120 Kbps
Voltage Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package / Case	28-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Receiver Hysteresis	500 mV
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the TRS213CDWG4 is determined by strict alignment of the following electrical and mechanical parameters:

Protocol: RS232
Number of Drivers/Receivers: 4/5 configuration
Duplex: Full
Data Rate: 120 Kbps minimum
Voltage Supply: 4.5V ~ 5.5V
Package / Case: 28-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Receiver Hysteresis: 500 mV

Substitute parts are categorized as follows:

Upgrade Manufacturer Parts – Active status parts with extended operating temperature ranges (-40°C ~ 85°C) that provide enhanced reliability and longer product lifecycle support.

MFR Recommended Parts – Active or current production parts directly recommended by manufacturers as functional replacements, with identical or superior electrical specifications.

Parametric Equivalent Parts – Parts matching all critical electrical parameters and package specifications, including both active and last-time-buy status options.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Voltage Supply	Operating Temp	Package	Product Status	MSL
TRS213CDWG4	Texas Instruments	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Obsolete	1
MAX213EEWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	1
HIN213EIBZ	Renesas Electronics Corporation	RS232	4/5	230 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	3
MAX213CWI+T	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX213EWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SOIC	Active	1
MAX211CDW	Texas Instruments	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Last Time Buy	1
MAX211CWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX211ECWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX213CDW	Texas Instruments	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Obsolete	1
MAX213CWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX213ECWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1

Engineering Selection Recommendations

For New Designs and Long-Term Production:

Select MAX213EEWI+ or MAX213EWI+ from Analog Devices Inc./Maxim Integrated. Both parts are active status with extended operating temperature range (-40°C ~ 85°C), providing superior thermal performance and extended product lifecycle support. Both are ROHS3 compliant and carry MSL 1 rating.

For Direct Pin-Compatible Replacement:

MAX213CWI+T (Tape & Reel packaging) or MAX213CWI+ (Tube packaging) provide identical electrical specifications and operating temperature range matching the original TRS213CDWG4. Both are active status and ROHS3 compliant.

For Enhanced Data Rate Performance:

HIN213EIBZ from Renesas Electronics Corporation supports 230 Kbps data rate, exceeding the 120 Kbps specification of the original part. This part is active status and ROHS3 compliant. Note: MSL rating is 3 (168 Hours), requiring appropriate moisture control during storage and handling.

For Last-Time-Buy Scenarios:

MAX211CDW remains available as a last-time-buy option with identical electrical parameters and 28-SOIC packaging. This part is suitable only for inventory replenishment of existing designs with no new production planned.

Frequently Asked Questions (FAQ)

Q: Can MAX213EEWI+ directly replace TRS213CDWG4 in existing designs?

A: Yes. MAX213EEWI+ matches all critical electrical parameters (RS232 protocol, 4/5 driver/receiver configuration, 120 Kbps data rate, 4.5V ~ 5.5V supply, 500 mV receiver hysteresis) and uses identical 28-SOIC packaging. The extended operating temperature range (-40°C ~ 85°C) provides additional thermal margin compared to the original 0°C ~ 70°C specification.

Q: What is the difference between MAX213CWI+ and MAX213EEWI+?

A: Both parts are RS232 transceivers with 4/5 driver/receiver configuration in 28-SOIC packaging. MAX213CWI+ operates over 0°C ~ 70°C, matching the original TRS213CDWG4 temperature range. MAX213EEWI+ extends operation to -40°C ~ 85°C, suitable for industrial and extended-temperature applications. Both are ROHS3 compliant with MSL 1 rating.

Q: Why is HIN213EIBZ listed as a substitute if it has a different data rate?

A: HIN213EIBZ supports 230 Kbps, which exceeds the 120 Kbps requirement of TRS213CDWG4. Higher data rate capability is a superset of the original specification and does not create incompatibility. All other electrical parameters (protocol, driver/receiver count, duplex mode, supply voltage, receiver hysteresis, package) are identical. This part is suitable for applications requiring higher throughput.

Q: What does MSL 3 (168 Hours) mean for HIN213EIBZ?

A: MSL 3 indicates the part requires moisture control during storage and handling. The part can be exposed to ambient conditions (30°C, 85% relative humidity) for a maximum of 168 hours before reflow soldering. Proper moisture barrier packaging and storage in dry conditions are required. MSL 1 parts (TRS213CDWG4, MAX213EEWI+, MAX213CWI+) have unlimited shelf life under normal conditions.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental compliance status of the original TRS213CDWG4.

Q: What packaging options are available for MAX213 series parts?

A: MAX213 series parts are available in multiple packaging formats: Tube (standard), Tape & Reel (TR) for automated assembly, and Tray. Selection depends on production volume and assembly process requirements. Electrical specifications remain identical across packaging options.

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