TRS202ECPWR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The TRS202ECPWR 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, with 4,900 units currently in stock. Due to its obsolete status, identifying equivalent and substitute parts is necessary for ongoing design support, production continuity, and long-term component availability planning.

Key Parameters

Parameter	TRS202ECPWR
Manufacturer	Texas Instruments
Part Number	TRS202ECPWR
Product Status	Obsolete
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex	Full
Package	16-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Voltage Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Data Rate	120Kbps
Receiver Hysteresis	500 mV
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TRS202ECPWR are grouped based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

Protocol: RS232
Drivers/Receivers Configuration: 2/2
Duplex Mode: Full
Package Type: 16-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
RoHS Compliance: ROHS3 Compliant
MSL Rating: 1 (Unlimited)

Secondary Variation Parameters:

Voltage Supply Range (4.5V ~ 5.5V minimum requirement)
Operating Temperature Range (0°C ~ 70°C minimum requirement)
Data Rate (120Kbps minimum requirement)
Receiver Hysteresis (500 mV baseline)

Substitute parts are classified into two categories:

Category 1: Manufacturer Recommended Substitutes (Active Status) Parts with active product status from Texas Instruments and MaxLinear that maintain identical electrical and mechanical specifications within the allowed parameter ranges.

Category 2: Parametric Equivalents (Obsolete Status) Parts with obsolete status that meet all core compatibility criteria but may have extended operating temperature ranges or higher data rates.

Parameter Comparison

Part Number	Manufacturer	Status	Voltage Supply	Operating Temp	Data Rate	Receiver Hysteresis	Packaging
TRS202ECPWR	Texas Instruments	Obsolete	4.5V ~ 5.5V	0°C ~ 70°C	120Kbps	500 mV	Cut Tape (CT) & Digi-Reel
TRS202EIPWR	Texas Instruments	Active	4.5V ~ 5.5V	-40°C ~ 85°C	120Kbps	500 mV	Tape & Reel (TR)
MAX202CPWR	Texas Instruments	Obsolete	4.5V ~ 5.5V	0°C ~ 70°C	120Kbps	500 mV	Cut Tape (CT) & Digi-Reel
SP3232EBCY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	0°C ~ 70°C	250Kbps	300 mV	Cut Tape (CT) & Digi-Reel
SP3232EBEY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	-40°C ~ 85°C	250Kbps	300 mV	Cut Tape (CT) & Digi-Reel
SP3232ECY-L	MaxLinear, Inc.	Active	3V ~ 5.5V	0°C ~ 70°C	235Kbps	300 mV	Tube
SP3232ECY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	0°C ~ 70°C	235Kbps	300 mV	Cut Tape (CT) & Digi-Reel
SP3232EEY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	-40°C ~ 85°C	235Kbps	300 mV	Cut Tape (CT) & Digi-Reel
SP3232EHCY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	0°C ~ 70°C	460Kbps	300 mV	Tape & Reel (TR)
SP3232EHEY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	-40°C ~ 85°C	460Kbps	300 mV	Tape & Reel (TR)
SP3232EUCY-L/TR	MaxLinear, Inc.	Active	3V ~ 5.5V	0°C ~ 70°C	1Mbps	300 mV	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Recommendation: TRS202EIPWR

The TRS202EIPWR is the manufacturer-recommended substitute from Texas Instruments. It maintains identical electrical specifications (4.5V ~ 5.5V supply, 120Kbps data rate, 500 mV receiver hysteresis) and identical package configuration (16-TSSOP). The primary difference is extended operating temperature range (-40°C ~ 85°C versus 0°C ~ 70°C) and active product status. Packaging is Tape & Reel (TR) format.

Secondary Recommendation: SP3232EBEY-L/TR

The SP3232EBEY-L/TR from MaxLinear is an active product with extended operating temperature range (-40°C ~ 85°C). It maintains the 2/2 full-duplex RS232 configuration and 16-TSSOP package. Electrical differences include expanded voltage supply range (3V ~ 5.5V), higher data rate (250Kbps), and lower receiver hysteresis (300 mV). These parameters remain within acceptable substitution criteria for RS232 transceiver applications.

Tertiary Recommendation: SP3232EEY-L/TR

The SP3232EEY-L/TR offers similar characteristics to SP3232EBEY-L/TR with extended temperature range and active status. Data rate is 235Kbps with 300 mV receiver hysteresis.

For Extended Temperature Applications: SP3232EHEY-L/TR or SP3232EUCY-L/TR

These MaxLinear parts provide the highest data rates (460Kbps and 1Mbps respectively) with extended temperature range (-40°C ~ 85°C) and active product status. Selection depends on required data rate performance.

All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can TRS202ECPWR be directly replaced with TRS202EIPWR?

A: Yes. Both parts are from Texas Instruments, maintain identical electrical specifications (4.5V ~ 5.5V, 120Kbps, 500 mV hysteresis), and use the 16-TSSOP package. The primary difference is packaging format (Cut Tape vs. Tape & Reel) and extended operating temperature range in the EIPWR variant. Pin-to-pin compatibility is confirmed.

Q: What are the key differences between Texas Instruments and MaxLinear substitutes?

A: Texas Instruments substitutes (TRS202EIPWR, MAX202CPWR) maintain the original 500 mV receiver hysteresis and 120Kbps data rate. MaxLinear substitutes (SP3232 series) feature lower receiver hysteresis (300 mV) and higher data rates (235Kbps to 1Mbps). Both manufacturers' parts maintain the 2/2 full-duplex RS232 configuration and 16-TSSOP package.

Q: Are MaxLinear SP3232 parts compatible with the original TRS202ECPWR design?

A: SP3232 parts are functionally compatible as RS232 2/2 full-duplex transceivers in the 16-TSSOP package. The expanded voltage supply range (3V ~ 5.5V) and higher data rates represent performance enhancements. Lower receiver hysteresis (300 mV vs. 500 mV) may require circuit evaluation in noise-sensitive applications, but remains within RS232 specification tolerances.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) & Digi-Reel packaging is suitable for manual assembly and small-volume production. Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly and high-volume manufacturing. Electrical specifications are identical; selection depends on production methodology.

Q: Which substitute offers the best long-term availability?

A: TRS202EIPWR and SP3232EBEY-L/TR both have active product status and substantial inventory levels (15,704 and 30,194 units respectively). Both are suitable for new designs requiring long-term component availability.

Q: Can I use SP3232EUCY-L/TR for applications requiring only 120Kbps data rate?

A: Yes. The SP3232EUCY-L/TR supports 1Mbps data rate, which exceeds the 120Kbps requirement of the original TRS202ECPWR. Higher data rate capability does not prevent operation at lower speeds. All other parameters (2/2 configuration, full-duplex, 16-TSSOP, RS232 protocol) remain compatible.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance status, ensuring compatibility with RoHS-regulated manufacturing environments and end-market requirements.

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