TRS3232ECDBR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The TRS3232ECDBR is a full-duplex RS232 transceiver manufactured by Texas Instruments, featuring 2 drivers and 2 receivers in a 16-SSOP surface mount package. This component is classified as obsolete, with 2,472 pieces currently in stock. Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, production planning, and long-term system reliability. Substitute parts must maintain compatibility across electrical specifications, mechanical packaging, and functional performance parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	TRS3232ECDBR
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 Range	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SSOP (0.209", 5.30mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the TRS3232ECDBR are classified based on the following substitution criteria:

Direct Substitutes maintain identical electrical and mechanical specifications, including package type (16-SSOP), receiver hysteresis (300 mV), data rate (250 kbps), and supply voltage range (3V ~ 5.5V). These parts are pin-compatible and require no circuit modifications.

Parametric Equivalents share the same core electrical specifications and package footprint but may differ in product status or operating temperature range. These parts are functionally equivalent and mechanically compatible.

Upgrade Substitutes offer enhanced performance characteristics, such as extended operating temperature ranges (-40°C ~ 85°C) or improved receiver hysteresis (500 mV), while maintaining the same protocol, driver/receiver configuration, and supply voltage specifications. These parts provide superior reliability margins.

Manufacturer Recommended Substitutes are designated by the original manufacturer as preferred alternatives. These may include package variations (16-TSSOP vs. 16-SSOP) or enhanced data rate capabilities (460 kbps vs. 250 kbps) while maintaining full RS232 protocol compliance and electrical compatibility.

Key Parameters for Substitution:

RS232 protocol compliance
2/2 driver/receiver configuration
Full-duplex operation
3V ~ 5.5V supply voltage range
Surface mount technology
ROHS3 compliance

Parameter Comparison

Part Number	Manufacturer	Product Status	Drivers/Receivers	Receiver Hysteresis	Data Rate	Operating Temp	Package	Inventory
TRS3232ECDBR	Texas Instruments	Obsolete	2/2	300 mV	250 kbps	0°C ~ 70°C	16-SSOP	2,472
TRS3232EIDBR	Texas Instruments	Active	2/2	300 mV	250 kbps	-40°C ~ 85°C	16-SSOP	665,800
MAX3232CDBR	Texas Instruments	Active	2/2	300 mV	250 kbps	0°C ~ 70°C	16-SSOP	10,400
MAX3232ECDBR	Texas Instruments	Active	2/2	300 mV	250 kbps	0°C ~ 70°C	16-SSOP	66,666
MAX3232EEAE+	Analog Devices Inc./Maxim Integrated	Active	2/2	500 mV	250 kbps	-40°C ~ 85°C	16-SSOP	2,000
MAX3232EEAE+T	Analog Devices Inc./Maxim Integrated	Active	2/2	500 mV	250 kbps	-40°C ~ 85°C	16-SSOP	17,900
SP3232EBEA-L/TR	MaxLinear, Inc.	Active	2/2	300 mV	250 kbps	-40°C ~ 85°C	16-SSOP	29,349
ADM3232EARUZ	Analog Devices Inc.	Active	2/2	500 mV	460 kbps	-40°C ~ 85°C	16-TSSOP	1,340
ADM3232EARUZ-REEL7	Analog Devices Inc.	Active	2/2	500 mV	460 kbps	-40°C ~ 85°C	16-TSSOP	30,400
ICL3232CVZ	Renesas Electronics Corporation	Active	2/2	300 mV	250 kbps	0°C ~ 70°C	16-TSSOP	1,811
ICL3232CVZ-T	Renesas Electronics Corporation	Active	2/2	300 mV	250 kbps	0°C ~ 70°C	16-TSSOP	1,424

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required):

The MAX3232ECDBR and MAX3232CDBR are parametric equivalents with identical electrical specifications and 16-SSOP packaging. Both are active products with ROHS3 compliance and unlimited moisture sensitivity rating. MAX3232ECDBR offers superior inventory availability (66,666 units) compared to MAX3232CDBR (10,400 units), making it the preferred choice for immediate procurement.

For Extended Operating Temperature Range:

The TRS3232EIDBR maintains the original 16-SSOP package and identical electrical parameters while extending the operating temperature range to -40°C ~ 85°C. This part is active with substantial inventory (665,800 units) and is suitable for applications requiring wider temperature performance margins.

For Enhanced Reliability and Performance:

The MAX3232EEAE+T combines extended temperature operation (-40°C ~ 85°C), improved receiver hysteresis (500 mV), and active product status with high inventory availability (17,900 units). This part provides superior noise immunity and thermal performance while maintaining the 16-SSOP package footprint.

For Alternative Manufacturer Sourcing:

The SP3232EBEA-L/TR (MaxLinear) and ICL3232CVZ-T (Renesas) provide multi-source alternatives with active product status. SP3232EBEA-L/TR offers extended temperature range (-40°C ~ 85°C) in 16-SSOP packaging with high inventory (29,349 units). ICL3232CVZ-T maintains the original temperature specification in 16-TSSOP packaging with ROHS3 compliance.

For Higher Data Rate Applications:

The ADM3232EARUZ-REEL7 supports 460 kbps data rate (versus 250 kbps standard) with extended temperature range (-40°C ~ 85°C) and improved receiver hysteresis (500 mV). This part requires PCB footprint adjustment due to 16-TSSOP packaging but offers superior performance for bandwidth-critical applications.

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can I use MAX3232ECDBR as a direct replacement for TRS3232ECDBR?

A: Yes. The MAX3232ECDBR is a parametric equivalent with identical electrical specifications (2/2 drivers/receivers, 300 mV hysteresis, 250 kbps data rate, 3V ~ 5.5V supply) and identical 16-SSOP package footprint. No circuit modifications are required. Both parts are ROHS3 compliant with unlimited moisture sensitivity rating.

Q: What is the difference between 16-SSOP and 16-TSSOP packages?

A: 16-SSOP (Shrink Small Outline Package) has a 5.30mm body width, while 16-TSSOP (Thin Shrink Small Outline Package) has a 4.40mm body width. These packages have different PCB footprints and cannot be used interchangeably without PCB redesign. Parts like ADM3232EARUZ and ICL3232CVZ use 16-TSSOP packaging and require footprint modification.

Q: Why does TRS3232EIDBR have a wider operating temperature range than TRS3232ECDBR?

A: TRS3232EIDBR is the active production variant with extended specifications (-40°C ~ 85°C versus 0°C ~ 70°C). Both parts share identical electrical performance and packaging. The extended range reflects current manufacturing standards and provides superior reliability margins for industrial and automotive applications.

Q: Can I substitute a part with 500 mV receiver hysteresis for one with 300 mV?

A: Yes, within the same protocol and configuration. Higher receiver hysteresis (500 mV) provides improved noise immunity and is functionally compatible with circuits designed for 300 mV hysteresis. Parts like MAX3232EEAE+T and ADM3232EARUZ offer this enhanced specification.

Q: What does "active" versus "obsolete" product status mean?

A: Active parts are in current production with ongoing manufacturer support and guaranteed availability. Obsolete parts are no longer manufactured and available only from existing inventory. TRS3232ECDBR is obsolete; all recommended substitutes are active products with long-term availability assurance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts listed maintain ROHS3 compliance, consistent with the original TRS3232ECDBR specification. This ensures compatibility with environmental regulations and procurement requirements.

Q: Which substitute offers the best inventory availability?

A: TRS3232EIDBR provides the highest inventory level (665,800 units) with identical package and electrical specifications to the original part, plus extended operating temperature range. MAX3232ECDBR is the second choice with 66,666 units available.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message