TRS213CDBR Equivalent & Substitute Parts

Part Overview

The TRS213CDBR is a 4/5 full-duplex RS232 transceiver in 28-SSOP surface mount packaging manufactured by Texas Instruments. This part is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The TRS213CDBR operates within a 4.5V to 5.5V supply range with a 120 Kbps data rate and 500 mV receiver hysteresis, making it suitable for legacy RS232 communication applications requiring full transceiver functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	TRS213CDBR
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-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount
Receiver Hysteresis	500 mV
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TRS213CDBR is determined by strict equivalence across the following critical parameters:

Protocol: RS232
Number of Drivers/Receivers: 4/5 configuration
Duplex: Full
Package / Case: 28-SSOP (0.209", 5.30mm Width)
Mounting Type: Surface Mount
Receiver Hysteresis: 500 mV
Data Rate: 120 Kbps minimum
Voltage - Supply: 4.5V ~ 5.5V
RoHS Status: ROHS3 Compliant

Substitute parts are categorized as follows:

MFR Recommended Substitutes: Parts recommended by the original manufacturer as direct replacements, offering active product status and extended operating temperature ranges.

Parametric Equivalents: Parts meeting identical electrical and mechanical specifications but with different product status or manufacturer origin.

Upgrade Options: Parts with enhanced specifications (extended temperature range, higher data rates) that maintain full backward compatibility with the original design.

Alternative Manufacturers: Functionally equivalent parts from alternative manufacturers meeting the same parameter set.

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Data Rate	Operating Temperature	Product Status	Packaging	MSL
TRS213CDBR	Texas Instruments	4/5	120 Kbps	0°C ~ 70°C	Obsolete	Cut Tape (CT) & Digi-Reel®	1 (Unlimited)
TRS213IDBR	Texas Instruments	4/5	120 Kbps	-40°C ~ 85°C	Active	Not specified	1 (Unlimited)
MAX213CDBR	Texas Instruments	4/5	120 Kbps	0°C ~ 70°C	Obsolete	Cut Tape (CT) & Digi-Reel®	1 (Unlimited)
SN75LBC187DBR	Texas Instruments	3/5	120 Kbps	0°C ~ 70°C	Last Time Buy	Cut Tape (CT) & Digi-Reel®	1 (Unlimited)
MAX213EEAI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	-40°C ~ 85°C	Active	Tube	1 (Unlimited)
MAX213EEAI+T	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	-40°C ~ 85°C	Active	Tape & Reel (TR)	1 (Unlimited)
HIN213ECAZ	Renesas Electronics Corporation	4/5	120 Kbps	0°C ~ 70°C	Active	Tube	3 (168 Hours)
HIN213EIAZ	Renesas Electronics Corporation	4/5	230 Kbps	-40°C ~ 85°C	Active	Tube	3 (168 Hours)
HIN213EIAZ-T	Renesas Electronics Corporation	4/5	230 Kbps	-40°C ~ 85°C	Active	Cut Tape (CT) & Digi-Reel®	3 (168 Hours)
MAX213CAI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	0°C ~ 70°C	Active	Tube	1 (Unlimited)
MAX213EAI+	Analog Devices Inc./Maxim Integrated	4/5	120 Kbps	-40°C ~ 85°C	Active	Tube	1 (Unlimited)

Engineering Selection Recommendations

Direct Replacement (Active Status): TRS213IDBR is the primary recommended substitute, offering active product status from the original manufacturer with extended operating temperature range (-40°C to 85°C) while maintaining identical electrical specifications and 28-SSOP packaging.

Parametric Equivalents with Identical Temperature Range: MAX213CDBR provides parametric equivalence with matching 0°C to 70°C operating temperature but carries obsolete product status. This option is suitable only when inventory of the original part is unavailable and design temperature requirements do not exceed 70°C.

Extended Temperature Capability: MAX213EEAI+, MAX213EEAI+T, MAX213EAI+, and HIN213EIAZ-T offer extended operating temperature ranges (-40°C to 85°C) with active product status. These parts are suitable for applications requiring broader temperature operation while maintaining full RS232 transceiver functionality.

Alternative Manufacturer Options: HIN213ECAZ and HIN213EIAZ from Renesas Electronics Corporation provide active product status with equivalent or enhanced specifications. HIN213EIAZ-T offers the additional benefit of higher data rate capability (230 Kbps) with extended temperature range and active product status.

Reduced Driver/Receiver Configuration: SN75LBC187DBR provides a 3/5 driver/receiver configuration and carries Last Time Buy status. This part is suitable only for applications where the reduced driver count meets functional requirements.

Compliance Consideration: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original design.

Frequently Asked Questions (FAQ)

Q: Can TRS213IDBR be used as a direct replacement for TRS213CDBR?

A: Yes. TRS213IDBR is the manufacturer-recommended substitute offering identical electrical specifications, 28-SSOP packaging, and full RS232 4/5 transceiver functionality. The primary difference is extended operating temperature range (-40°C to 85°C versus 0°C to 70°C) and active product status.

Q: What is the difference between MAX213CDBR and MAX213EEAI+T?

A: Both are 4/5 full-duplex RS232 transceivers in 28-SSOP packaging with identical electrical specifications. MAX213CDBR carries obsolete status with 0°C to 70°C operating range. MAX213EEAI+T is active with extended -40°C to 85°C operating range and Tape & Reel packaging.

Q: Why is SN75LBC187DBR listed as a substitute if it has 3/5 drivers/receivers instead of 4/5?

A: SN75LBC187DBR is a parametric equivalent meeting all other specifications (RS232 protocol, 120 Kbps data rate, 28-SSOP package, 500 mV hysteresis). The reduced driver/receiver count makes it suitable only for applications where four drivers and five receivers are not required.

Q: What is the significance of MSL rating differences between parts?

A: MSL (Moisture Sensitivity Level) indicates moisture exposure limits during storage and handling. TRS213CDBR and Maxim parts carry MSL 1 (unlimited exposure), while Renesas HIN213 parts carry MSL 3 (168 hours maximum). This affects storage conditions and shelf life management.

Q: Are HIN213EIAZ and HIN213EIAZ-T interchangeable?

A: Both parts are functionally identical with 4/5 transceiver configuration, 230 Kbps data rate, and -40°C to 85°C operating range. The difference is packaging: HIN213EIAZ is supplied in Tube, while HIN213EIAZ-T is supplied in Cut Tape & Digi-Reel format.

Q: Can parts with higher data rates (230 Kbps) replace the original 120 Kbps part?

A: Yes. HIN213EIAZ and HIN213EIAZ-T operate at 230 Kbps, which is backward compatible with 120 Kbps applications. The higher data rate capability does not affect operation at lower speeds.

Q: What packaging options are available for active substitutes?

A: Active substitutes are available in multiple packaging formats: Tube (MAX213CAI+, MAX213EAI+, MAX213EEAI+, HIN213ECAZ, HIN213EIAZ), Tape & Reel (MAX213EEAI+T, HIN213EIAZ-T), and Cut Tape & Digi-Reel (TRS213IDBR).

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