TRS213CDWR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The TRS213CDWR is a full-duplex RS232 transceiver manufactured by Texas Instruments, featuring 4 drivers and 5 receivers in a 28-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates within a 4.5V to 5.5V supply range with a 120 kbps data rate and 500 mV receiver hysteresis, suitable for legacy serial communication applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	TRS213CDWR
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/5
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	28-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the TRS213CDWR is determined by strict adherence to the following parameters:

Critical Matching Parameters:

Protocol: RS232
Number of Drivers/Receivers: 4/5
Duplex: Full
Receiver Hysteresis: 500 mV
Data Rate: 120 kbps (or higher)
Voltage - Supply: 4.5V ~ 5.5V
Mounting Type: Surface Mount
Package / Case: 28-SOIC (0.295", 7.50mm Width)
RoHS Status: ROHS3 Compliant

Flexible Parameters (allowing substitution with different values):

Operating Temperature range (may be wider)
Product Status (Active parts preferred over Obsolete)
Packaging format (Tube, Tape & Reel, Cut Tape acceptable)
Moisture Sensitivity Level (MSL 1 or MSL 3 acceptable)

Substitute parts are grouped by their relationship to the main part: parametric equivalents maintain identical electrical specifications, direct equivalents offer functional compatibility with active product status, upgrades provide extended temperature ranges, and manufacturer-recommended alternatives offer enhanced performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Operating Temp	Package	Product Status	MSL
TRS213CDWR	Texas Instruments	RS232	4/5	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Obsolete	1
MAX211CDWR	Texas Instruments	RS232	4/5	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX213CDWR	Texas Instruments	RS232	4/5	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Obsolete	1
MAX213ECWI+	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	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+	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
MAX211CWI+T	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX211ECWI+T	Analog Devices Inc./Maxim Integrated	RS232	4/5	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	28-SOIC	Active	1
MAX213CWI+T	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 Direct Replacement (Identical Operating Temperature Range): MAX211CDWR, MAX213CDWR, MAX213CWI+, and MAX213CWI+T maintain the 0°C to 70°C operating temperature specification of the original TRS213CDWR. These parts are all ROHS3 compliant with MSL 1 rating and are available in Active product status, making them suitable for immediate substitution in applications with standard industrial temperature requirements.

For Extended Temperature Applications: MAX213EEWI+ and MAX213EWI+ extend the operating temperature range to -40°C to 85°C while maintaining all other electrical parameters. These upgrades are ROHS3 compliant with MSL 1 rating and Active product status, appropriate for applications requiring wider temperature tolerance.

For Enhanced Data Rate Performance: HIN213EIBZ from Renesas Electronics Corporation supports 230 kbps data rate compared to the 120 kbps specification of the TRS213CDWR. This part maintains all other critical parameters and is ROHS3 compliant. The MSL 3 rating requires 168-hour moisture control during storage and handling.

For Tape & Reel Packaging: MAX211ECWI+T and MAX213CWI+T are available in Tape & Reel format for high-volume manufacturing environments, maintaining identical electrical specifications and Active product status.

All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can MAX213EEWI+ be used as a direct replacement for TRS213CDWR? A: MAX213EEWI+ is electrically compatible and maintains all critical RS232 transceiver parameters. The primary difference is the extended operating temperature range (-40°C to 85°C versus 0°C to 70°C). Use this part only if your application requires the wider temperature specification or if standard-range parts are unavailable.

Q: What is the difference between MAX213CWI+ and MAX213CWI+T? A: Both parts are identical in electrical specifications and performance. The difference is packaging format: MAX213CWI+ is supplied in Tube packaging, while MAX213CWI+T is supplied in Tape & Reel format. Select based on your manufacturing process requirements.

Q: Is HIN213EIBZ a suitable replacement despite the higher data rate specification? A: HIN213EIBZ maintains all critical RS232 transceiver parameters and the 4/5 driver/receiver configuration. The 230 kbps data rate is a performance enhancement over the 120 kbps specification. The MSL 3 rating requires proper moisture control during storage. This part is suitable for replacement in applications where moisture handling procedures are established.

Q: Why is the TRS213CDWR listed as Obsolete? A: Obsolete status indicates the manufacturer has discontinued production. Multiple Active alternatives are available with identical or enhanced specifications, ensuring design continuity and supply chain reliability.

Q: Are all substitute parts ROHS3 compliant? A: All substitute parts listed in this reference maintain ROHS3 compliance and REACH unaffected status, matching the regulatory requirements of the original TRS213CDWR.

Q: Can I mix different substitute parts in the same design? A: All listed parts maintain identical RS232 protocol, 4/5 driver/receiver configuration, full-duplex operation, and 28-SOIC packaging. Parts with identical operating temperature ranges and data rates are interchangeable within the same circuit board design.

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