TRS232EIDR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The TRS232EIDR is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments in a 16-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The TRS232EIDR operates across the industrial temperature range of -40°C to 85°C with a 250 kbps data rate and 4.5V to 5.5V supply voltage. Substitute parts must maintain functional equivalence in protocol, driver/receiver configuration, duplex mode, and package form factor while meeting current availability and compliance requirements.

Key Parameters

Parameter	TRS232EIDR Specification
Manufacturer	Texas Instruments
Protocol	RS232
Type	Transceiver
Number of Drivers/Receivers	2/2
Duplex Mode	Full
Receiver Hysteresis	500 mV
Data Rate	250 kbps
Voltage Supply Range	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the TRS232EIDR are selected based on strict parametric equivalence in the following critical areas:

Protocol & Functional Requirements: All substitutes must implement RS232 protocol with 2/2 driver/receiver configuration and full-duplex operation.

Electrical Specifications: Supply voltage range (4.5V ~ 5.5V), data rate capability (minimum 250 kbps), and receiver hysteresis characteristics determine functional compatibility.

Package Compatibility: All substitutes must use 16-SOIC surface mount packaging (0.154", 3.90mm width) to ensure PCB layout compatibility without redesign.

Temperature Range: Substitutes operating across -40°C to 85°C maintain full industrial temperature specification equivalence. Parts with narrower temperature ranges (0°C ~ 70°C) are noted as limited-temperature alternatives.

Compliance & Availability: Active product status with ROHS3 compliance and current inventory availability ensure production continuity and regulatory compliance.

Parameter Comparison

Part Number	Manufacturer	Product Status	Protocol	Drivers/Receivers	Data Rate	Receiver Hysteresis	Voltage Supply	Operating Temperature	Package	Inventory (Pcs)
TRS232EIDR	Texas Instruments	Obsolete	RS232	2/2	250 kbps	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	15,469
MAX232EIDR	Texas Instruments	Active	RS232	2/2	250 kbps	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	54,300
ADM232AARNZ-REEL	Analog Devices Inc.	Active	RS232	2/2	200 kbps	400 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	4,793
ADM232AARNZ-REEL7	Analog Devices Inc.	Active	RS232	2/2	200 kbps	400 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	4,200
HIN232EIBNZ	Renesas Electronics Corporation	Active	RS232	2/2	230 kbps	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	16-SOIC	1,720
ICL3232IBNZ-T7A	Renesas Electronics Corporation	Active	RS232	2/2	250 kbps	300 mV	3V ~ 5.5V	-40°C ~ 85°C	16-SOIC	1,045
MAX232ACSE+T	Analog Devices Inc./Maxim Integrated	Active	RS232	2/2	200 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	77,101
HIN232ACBNZ-T	Renesas Electronics Corporation	Active	RS232	2/2	230 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	16-SOIC	8,899

Engineering Selection Recommendations

Primary Substitute - Full Specification Match: MAX232EIDR is the direct parametric equivalent to TRS232EIDR. Both are Texas Instruments products with identical electrical specifications, operating temperature range (-40°C ~ 85°C), data rate (250 kbps), and receiver hysteresis (500 mV). MAX232EIDR is active product status with significantly higher inventory availability (54,300 units), ensuring production continuity. Both parts are ROHS3 compliant with MSL 1 rating.

Secondary Substitutes - Industrial Temperature Range: HIN232EIBNZ (Renesas Electronics Corporation) maintains full industrial temperature specification (-40°C ~ 85°C) with 230 kbps data rate and 500 mV receiver hysteresis. This part is active with 1,720 units in stock and ROHS3 compliance.

ICL3232IBNZ-T7A (Renesas Electronics Corporation) supports the full industrial temperature range with 250 kbps data rate matching the original part. This part features extended supply voltage range (3V ~ 5.5V) and lower receiver hysteresis (300 mV). Active product status with 1,045 units available.

Alternative Substitutes - Limited Temperature Range: MAX232ACSE+T and HIN232ACBNZ-T operate across 0°C to 70°C temperature range, suitable for commercial and light industrial applications. These parts are not recommended for designs requiring full -40°C to 85°C industrial temperature coverage.

Compliance Verification: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX232EIDR directly replace TRS232EIDR without PCB modifications? A: Yes. MAX232EIDR is a parametric equivalent with identical 16-SOIC package, pin configuration, electrical specifications, and operating temperature range. No PCB layout changes are required.

Q: What is the difference between HIN232EIBNZ and HIN232ACBNZ-T? A: HIN232EIBNZ operates across -40°C to 85°C industrial temperature range, while HIN232ACBNZ-T is limited to 0°C to 70°C. Both use identical 16-SOIC packaging and RS232 protocol. Select HIN232EIBNZ for applications requiring full industrial temperature specification.

Q: Are ADM232AARNZ-REEL and ADM232AARNZ-REEL7 interchangeable? A: Both parts are functionally equivalent with identical electrical specifications and 16-SOIC packaging. The suffix difference indicates packaging reel configuration. Both support -40°C to 85°C operation with 200 kbps data rate and 400 mV receiver hysteresis.

Q: Why does ICL3232IBNZ-T7A have a lower receiver hysteresis (300 mV) than the original part (500 mV)? A: Lower receiver hysteresis improves noise immunity in certain applications but may require signal conditioning in noisy environments. Verify compatibility with existing signal levels before substitution.

Q: Can parts with 0°C to 70°C temperature range be used in -40°C to 85°C applications? A: No. MAX232ACSE+T and HIN232ACBNZ-T are not suitable for full industrial temperature range applications. Use only parts rated for -40°C to 85°C operation for industrial designs.

Q: What is the significance of MSL 1 versus MSL 3 ratings? A: MSL 1 (Unlimited) parts have no moisture sensitivity restrictions and can be stored indefinitely. MSL 3 (168 Hours) parts require controlled storage conditions. TRS232EIDR and MAX232EIDR both carry MSL 1 rating. HIN232 and ICL3232 series parts carry MSL 3 rating, requiring proper moisture control during storage and handling.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements for current production environments.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message