LMS202EIMW/NOPB RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The LMS202EIMW/NOPB is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments in a 16-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across the industrial temperature range of -40°C to 85°C with a 230 kbps data rate and 600 mV receiver hysteresis, suitable for legacy serial communication applications requiring full RS232 protocol compliance.

Key Parameters

Parameter	Value
Manufacturer Part Number	LMS202EIMW/NOPB
Manufacturer	Texas Instruments
Product Category	Interface - RS232 Transceiver
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex Mode	Full
Data Rate	230 kbps
Receiver Hysteresis	600 mV
Supply Voltage	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	16-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LMS202EIMW/NOPB is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Protocol: RS232
Drivers/Receivers Configuration: 2/2
Duplex Mode: Full
Package / Case: 16-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Supply Voltage Range: 4.5V ~ 5.5V

Temperature Range Consideration: The LMS202EIMW/NOPB operates across -40°C to 85°C. Substitute parts meeting this full industrial temperature range provide direct replacement capability. Parts with narrower temperature ranges (0°C to 70°C) are functionally compatible but operate within a restricted envelope.

Data Rate and Receiver Hysteresis: The original part specifies 230 kbps data rate and 600 mV receiver hysteresis. Substitute parts with equal or higher data rate capability and compatible hysteresis values maintain functional equivalence for serial communication applications.

Product Status: Active substitute parts ensure ongoing availability and manufacturing support, addressing the obsolescence of the original LMS202EIMW/NOPB.

Parameter Comparison

Part Number	Manufacturer	Product Status	Data Rate	Receiver Hysteresis	Operating Temperature	Packaging	Inventory
LMS202EIMW/NOPB	Texas Instruments	Obsolete	230 kbps	600 mV	-40°C ~ 85°C	16-SOIC	779 Pcs
ADM1181AARWZ	Analog Devices Inc.	Active	230 kbps	650 mV	-40°C ~ 85°C	16-SOIC	6390 Pcs
ADM202EARWZ	Analog Devices Inc.	Active	230 kbps	650 mV	-40°C ~ 85°C	16-SOIC	1600 Pcs
ADM202EARWZ-REEL	Analog Devices Inc.	Active	230 kbps	650 mV	-40°C ~ 85°C	16-SOIC	2021 Pcs
ADM202JRWZ	Analog Devices Inc.	Active	—	400 mV	0°C ~ 70°C	16-SOIC	2814 Pcs
ADM202JRWZ-REEL	Analog Devices Inc.	Active	—	400 mV	0°C ~ 70°C	16-SOIC	2530 Pcs
HIN202CBZ	Renesas Electronics Corporation	Active	120 kbps	500 mV	0°C ~ 70°C	16-SOIC	17393 Pcs
HIN202CBZ-T	Renesas Electronics Corporation	Active	120 kbps	500 mV	0°C ~ 70°C	16-SOIC	3900 Pcs
HIN202ECBZ	Renesas Electronics Corporation	Active	230 kbps	500 mV	0°C ~ 70°C	16-SOIC	1666 Pcs
HIN202ECBZ-T	Renesas Electronics Corporation	Active	230 kbps	500 mV	0°C ~ 70°C	16-SOIC	2246 Pcs
HIN202EIBZ	Renesas Electronics Corporation	Active	230 kbps	500 mV	-40°C ~ 85°C	16-SOIC	1512 Pcs

Engineering Selection Recommendations

Full Industrial Temperature Range (-40°C ~ 85°C) Substitutes:

The ADM1181AARWZ, ADM202EARWZ, ADM202EARWZ-REEL, and HIN202EIBZ maintain the complete industrial temperature operating envelope of the LMS202EIMW/NOPB. These parts are recommended for applications requiring uncompromised thermal performance across the full specified range. All four parts are ROHS3 compliant and carry active product status, ensuring manufacturing continuity and supply chain stability.

Commercial Temperature Range (0°C ~ 70°C) Substitutes:

The ADM202JRWZ, ADM202JRWZ-REEL, HIN202CBZ, HIN202CBZ-T, HIN202ECBZ, and HIN202ECBZ-T operate within a narrower commercial temperature band. These parts are suitable for applications where the design environment does not require extended low-temperature or high-temperature operation. All maintain ROHS3 compliance and active product status.

Data Rate Alignment:

Parts specified at 230 kbps (ADM1181AARWZ, ADM202EARWZ, ADM202EARWZ-REEL, HIN202ECBZ, HIN202ECBZ-T, HIN202EIBZ) directly match the original part's data rate capability. The HIN202CBZ and HIN202CBZ-T variants operate at 120 kbps, suitable only for applications with lower bandwidth requirements.

Packaging Considerations:

Tube packaging (standard) and Tape & Reel (TR) packaging variants are available across multiple manufacturers. Selection depends on production volume and assembly process requirements. Both packaging formats maintain identical electrical and thermal characteristics.

Frequently Asked Questions (FAQ)

Q: Can I use ADM202JRWZ as a direct replacement for LMS202EIMW/NOPB in an industrial application?

A: The ADM202JRWZ is electrically compatible but operates only across 0°C to 70°C. If your application requires the full -40°C to 85°C industrial temperature range, use ADM202EARWZ or ADM1181AARWZ instead.

Q: What is the difference between HIN202ECBZ and HIN202EIBZ?

A: Both parts support 230 kbps data rate and 500 mV receiver hysteresis in 16-SOIC packaging. The primary difference is operating temperature: HIN202ECBZ operates 0°C to 70°C, while HIN202EIBZ extends to -40°C to 85°C. Select HIN202EIBZ for industrial temperature applications.

Q: Are Tape & Reel variants electrically identical to Tube packaged parts?

A: Yes. ADM202EARWZ-REEL and ADM202EARWZ are electrically and functionally identical; packaging format differs only for manufacturing and assembly convenience. The same applies to HIN202CBZ-T versus HIN202CBZ, and HIN202ECBZ-T versus HIN202ECBZ.

Q: Why do some substitute parts show different receiver hysteresis values?

A: Receiver hysteresis varies by manufacturer design. The LMS202EIMW/NOPB specifies 600 mV, while Analog Devices parts specify 650 mV and Renesas parts specify 500 mV. All values remain within acceptable RS232 protocol margins and do not affect functional compatibility for standard serial communication.

Q: Is the HIN202CBZ suitable for 230 kbps applications?

A: No. HIN202CBZ is rated for 120 kbps maximum data rate. For 230 kbps operation, use HIN202ECBZ, HIN202ECBZ-T, or HIN202EIBZ.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original LMS202EIMW/NOPB.

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