TRS3222CPWRG4 Equivalent & Substitute Parts

Part Overview

The TRS3222CPWRG4 is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments in a 20-TSSOP surface mount package. This part is classified as obsolete, with 1071 units currently in stock. Due to its obsolete status, equivalent and substitute parts from active product lines are necessary for new designs and long-term supply chain continuity. The substitute parts listed maintain functional compatibility while offering improved specifications or extended availability.

Key Parameters

Parameter	TRS3222CPWRG4
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	300 mV
Data Rate	250 kbps
Voltage Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package/Case	20-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the TRS3222CPWRG4 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Voltage Supply: 3V ~ 5.5V
Package/Case: 20-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount

Performance Parameters (Allow Variation):

Data Rate: Substitute parts may exceed 250 kbps
Receiver Hysteresis: Substitute parts may differ (300 mV or 500 mV acceptable)
Operating Temperature: Substitute parts may extend range beyond 0°C ~ 70°C
Product Status: Active substitutes preferred over obsolete

All substitute parts maintain the same electrical interface, pinout compatibility, and package footprint as the original TRS3222CPWRG4.

Parameter Comparison

Part Number	Manufacturer	Data Rate	Receiver Hysteresis	Operating Temperature	Product Status	Packaging	Inventory
TRS3222CPWRG4	Texas Instruments	250 kbps	300 mV	0°C ~ 70°C	Obsolete	-	1071 Pcs
TRS3222EIPWR	Texas Instruments	500 kbps	300 mV	-40°C ~ 85°C	Active	Cut Tape (CT) & Digi-Reel®	5930 Pcs
MAX3222CPWR	Texas Instruments	250 kbps	300 mV	0°C ~ 70°C	Active	Cut Tape (CT) & Digi-Reel®	2307 Pcs
MAX3222EEUP+	Analog Devices Inc./Maxim Integrated	1 Mbps	500 mV	-40°C ~ 85°C	Active	Tube	2987 Pcs
MAX3222EEUP+T	Analog Devices Inc./Maxim Integrated	1 Mbps	500 mV	-40°C ~ 85°C	Active	Cut Tape (CT) & Digi-Reel®	45400 Pcs
SP3222EBEY-L/TR	MaxLinear, Inc.	250 kbps	300 mV	-40°C ~ 85°C	Active	-	782 Pcs
ST3222EBTR	STMicroelectronics	250 kbps	500 mV	-40°C ~ 85°C	Active	Cut Tape (CT) & Digi-Reel®	1256 Pcs
MAX3222CUP+	Analog Devices Inc./Maxim Integrated	120 kbps	300 mV	0°C ~ 70°C	Active	Tube	2266 Pcs
MAX3222CUP+T	Analog Devices Inc./Maxim Integrated	120 kbps	300 mV	0°C ~ 70°C	Active	Cut Tape (CT)	4517 Pcs
MAX3222ECUP+	Analog Devices Inc./Maxim Integrated	1 Mbps	500 mV	0°C ~ 70°C	Active	Tube	22335 Pcs
MAX3222ECUP+T	Analog Devices Inc./Maxim Integrated	1 Mbps	500 mV	0°C ~ 70°C	Active	Tape & Reel (TR)	3120 Pcs

Engineering Selection Recommendations

Direct Replacement (Identical Specifications): MAX3222CPWR is the closest parametric equivalent, maintaining identical data rate (250 kbps), receiver hysteresis (300 mV), and operating temperature range (0°C ~ 70°C) as the TRS3222CPWRG4. This part is active and ROHS3 compliant.

Recommended Upgrade Path: TRS3222EIPWR (Texas Instruments) provides a direct manufacturer upgrade with doubled data rate (500 kbps), extended operating temperature range (-40°C ~ 85°C), and active product status. This part maintains the same receiver hysteresis and supply voltage specifications.

Extended Temperature Range Substitutes: SP3222EBEY-L/TR (MaxLinear) and ST3222EBTR (STMicroelectronics) both extend the operating temperature range to -40°C ~ 85°C while maintaining 250 kbps data rate and 3V ~ 5.5V supply voltage. Both are active products with ROHS compliance.

High-Performance Alternatives: MAX3222EEUP+T and MAX3222ECUP+T offer 1 Mbps data rate with 500 mV receiver hysteresis. MAX3222EEUP+T supports -40°C ~ 85°C operation, while MAX3222ECUP+T maintains 0°C ~ 70°C operation. Both are active, ROHS3 compliant, and available in high inventory quantities.

All substitute parts are ROHS3 compliant and maintain MSL 1 (Unlimited) moisture sensitivity except ST3222EBTR (MSL 3, 168 Hours).

Frequently Asked Questions (FAQ)

Q: Can MAX3222CPWR be used as a direct drop-in replacement for TRS3222CPWRG4?

A: Yes. MAX3222CPWR maintains identical electrical specifications: 250 kbps data rate, 300 mV receiver hysteresis, 0°C ~ 70°C operating temperature, and 20-TSSOP package. Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between TRS3222EIPWR and MAX3222EEUP+T?

A: TRS3222EIPWR is a Texas Instruments product with 500 kbps data rate and 300 mV hysteresis. MAX3222EEUP+T is an Analog Devices/Maxim product with 1 Mbps data rate and 500 mV hysteresis. Both support -40°C ~ 85°C operation. Selection depends on required data rate and hysteresis specifications.

Q: Are all substitute parts available in the same packaging options?

A: No. Packaging varies across substitutes. TRS3222EIPWR, MAX3222CPWR, MAX3222EEUP+T, ST3222EBTR, and MAX3222CUP+T are available in Cut Tape (CT) & Digi-Reel® or similar tape formats. MAX3222EEUP+, MAX3222CUP+, and MAX3222ECUP+ are available in Tube packaging. SP3222EBEY-L/TR packaging is not specified. Verify packaging compatibility with assembly requirements.

Q: Which substitute offers the best inventory availability?

A: MAX3222EEUP+T has the highest inventory at 45,400 units, followed by MAX3222ECUP+ at 22,335 units. Both are active products with extended data rate (1 Mbps) and 500 mV receiver hysteresis.

Q: Can I use a substitute with lower data rate than the original?

A: Yes, if your application does not require the original 250 kbps specification. MAX3222CUP+ and MAX3222CUP+T operate at 120 kbps and maintain all other electrical parameters. Verify that your RS232 communication protocol does not exceed 120 kbps before selection.

Q: What is the moisture sensitivity difference between ST3222EBTR and other substitutes?

A: ST3222EBTR has MSL 3 (168 Hours) rating, while all other substitutes have MSL 1 (Unlimited). MSL 3 requires stricter moisture control during storage and handling. For applications with standard moisture control, MSL 1 parts are preferred.

Q: Are all substitutes ROHS3 compliant?

A: All listed substitutes are ROHS3 compliant except SP3222EBEY-L/TR, which is listed as RoHS Compliant without specific version designation. Verify RoHS compliance requirements for your application before final selection.

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