TRS202CPWR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The TRS202CPWR is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments in a 16-TSSOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The TRS202CPWR operates within a 4.5V to 5.5V supply voltage range with a 120 kbps data rate and 500 mV receiver hysteresis, designed for industrial and commercial RS232 communication applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	TRS202CPWR
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Package / Case	16-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Voltage - Supply	4.5V ~ 5.5V
Data Rate	120 kbps
Receiver Hysteresis	500 mV
Operating Temperature	0°C ~ 70°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TRS202CPWR is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Package / Case: 16-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Voltage - Supply: 4.5V ~ 5.5V (minimum requirement)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Allowable Parameter Variations:

Data Rate: Equal to or greater than 120 kbps
Receiver Hysteresis: Equal to or greater than 500 mV
Operating Temperature: May extend beyond 0°C ~ 70°C range
Product Status: Active parts preferred over obsolete

Substitute parts are grouped into categories based on their relationship to the original specification: parametric equivalents (matching all critical parameters), direct manufacturers (same base product number with different packaging), upgrades (extended temperature range or improved performance), and manufacturer-recommended alternatives (enhanced specifications within the same functional class).

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Receiver Hysteresis	Voltage Supply	Operating Temp	Package	Product Status
TRS202CPWR	Texas Instruments	RS232	2/2	120 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-TSSOP	Obsolete
MAX202CPWR	Texas Instruments	RS232	2/2	120 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-TSSOP	Obsolete
MAX202ECUE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	120 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-TSSOP	Active
MAX202EEUE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	120 kbps	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-TSSOP	Active
MAX202EEUE+T	Analog Devices Inc./Maxim Integrated	RS232	2/2	120 kbps	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-TSSOP	Active
ADM202EARUZ	Analog Devices Inc.	RS232	2/2	230 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-TSSOP	Active
ADM202EARUZ-REEL	Analog Devices Inc.	RS232	2/2	230 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-TSSOP	Active
ADM202EARUZ-REEL7	Analog Devices Inc.	RS232	2/2	230 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-TSSOP	Active
MAX202CUE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	120 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-TSSOP	Active
SP3232EBCY-L/TR	MaxLinear, Inc.	RS232	2/2	250 kbps	300 mV	3V ~ 5.5V	0°C ~ 70°C	16-TSSOP	Active
SP3232EBEY-L/TR	MaxLinear, Inc.	RS232	2/2	250 kbps	300 mV	3V ~ 5.5V	-40°C ~ 85°C	16-TSSOP	Active

Engineering Selection Recommendations

Direct Parametric Equivalents (Identical Specifications): MAX202CPWR and MAX202ECUE+ provide direct parametric equivalence to the TRS202CPWR. MAX202ECUE+ is preferred as it maintains active product status while meeting all electrical and mechanical requirements. Both parts are ROHS3 compliant with MSL 1 rating.

Extended Temperature Range Upgrades: MAX202EEUE+ and MAX202EEUE+T extend the operating temperature range to -40°C ~ 85°C while maintaining all other electrical parameters. These parts are suitable for applications requiring wider temperature operation and are available in both tube and tape & reel packaging options. Both are active products with ROHS3 compliance.

Enhanced Performance Alternatives: ADM202EARUZ, ADM202EARUZ-REEL, and ADM202EARUZ-REEL7 offer improved data rate (230 kbps versus 120 kbps) and extended temperature range (-40°C ~ 85°C). These parts are manufacturer-recommended alternatives with higher receiver hysteresis (650 mV). Available in tube, tape & reel, and cut tape & digi-reel packaging. All are active products with ROHS3 compliance.

Wide Supply Voltage Alternative: SP3232EBCY-L/TR and SP3232EBEY-L/TR support a wider supply voltage range (3V ~ 5.5V) with higher data rate capability (250 kbps). SP3232EBEY-L/TR provides extended temperature range (-40°C ~ 85°C). Both are active products with ROHS3 compliance. The SP3232 series features lower receiver hysteresis (300 mV), suitable for applications with tighter noise margins.

Packaging Considerations: MAX202CPWR is available in cut tape & digi-reel packaging. Substitute parts are available in tube, tape & reel, and cut tape & digi-reel formats. Selection should align with assembly process requirements and inventory management practices.

Frequently Asked Questions (FAQ)

Q: Can MAX202ECUE+ directly replace TRS202CPWR in existing designs? A: Yes. MAX202ECUE+ is a direct parametric equivalent with identical electrical specifications (2/2 RS232 transceiver, 120 kbps data rate, 500 mV receiver hysteresis, 4.5V ~ 5.5V supply). Both use 16-TSSOP packaging. The primary difference is product status: MAX202ECUE+ is active while TRS202CPWR is obsolete.

Q: What is the advantage of using MAX202EEUE+ over MAX202ECUE+? A: MAX202EEUE+ extends the operating temperature range to -40°C ~ 85°C compared to MAX202ECUE+'s 0°C ~ 70°C range. All other electrical parameters remain identical. This upgrade is necessary for applications requiring operation in extended temperature environments.

Q: Why would I select ADM202EARUZ instead of MAX202ECUE+? A: ADM202EARUZ provides enhanced performance with 230 kbps data rate (versus 120 kbps), extended temperature range (-40°C ~ 85°C), and higher receiver hysteresis (650 mV). Selection depends on application requirements for data rate and temperature range. Both maintain 4.5V ~ 5.5V supply voltage and 2/2 full-duplex RS232 configuration.

Q: Is SP3232EBEY-L/TR compatible with TRS202CPWR designs? A: SP3232EBEY-L/TR is functionally compatible as a 2/2 full-duplex RS232 transceiver in 16-TSSOP packaging. However, it differs in supply voltage range (3V ~ 5.5V versus 4.5V ~ 5.5V), data rate (250 kbps versus 120 kbps), and receiver hysteresis (300 mV versus 500 mV). Designs must verify compatibility with these parameter differences before substitution.

Q: What packaging options are available for substitute parts? A: Substitute parts are available in tube, tape & reel (TR), and cut tape & digi-reel (CT) packaging formats. Selection should match assembly process requirements and supply chain logistics. Tape & reel packaging is standard for high-volume automated assembly, while tube packaging is typical for lower-volume or manual assembly operations.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the compliance profile of the original TRS202CPWR.

Q: Can I use SP3232EBCY-L/TR in a 0°C ~ 70°C application instead of SP3232EBEY-L/TR? A: Yes. SP3232EBCY-L/TR operates within 0°C ~ 70°C range, matching the original TRS202CPWR temperature specification. SP3232EBEY-L/TR extends this to -40°C ~ 85°C. Both parts are electrically identical; selection depends on application temperature requirements and inventory availability.

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