MAX202IPW RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX202IPW is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments, housed in a 16-TSSOP surface mount package. This component is classified as obsolete, indicating that direct procurement may face availability constraints. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications requiring RS232 interface functionality with matching electrical and mechanical specifications.

Key Parameters

Parameter	MAX202IPW Specification
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 Kbps
Supply Voltage	4.5V – 5.5V
Operating Temperature	-40°C to 85°C
Package	16-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following critical parameters:

Primary Substitution Criteria:

Protocol: RS232
Drivers/Receivers Configuration: 2/2
Duplex Mode: Full
Package Type: 16-TSSOP
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
MSL Rating: 1 (Unlimited)

Secondary Compatibility Parameters:

Supply Voltage Range: Must encompass or match 4.5V – 5.5V
Operating Temperature Range: Must support -40°C to 85°C or narrower range within this specification
Receiver Hysteresis: 500 mV (primary specification); 300 mV or 650 mV acceptable with design verification
Data Rate: 120 Kbps minimum (higher rates acceptable)

Parts are grouped into three categories based on manufacturer recommendation status and parametric alignment with the MAX202IPW.

Parameter Comparison

Part Number	Manufacturer	Product Status	Receiver Hysteresis	Data Rate	Supply Voltage	Operating Temperature	Packaging
MAX202IPW	Texas Instruments	Obsolete	500 mV	120 Kbps	4.5V – 5.5V	-40°C to 85°C	Tube
MAX202IPWR	Texas Instruments	Active	500 mV	120 Kbps	4.5V – 5.5V	-40°C to 85°C	Cut Tape & Digi-Reel
TRS202EIPW	Texas Instruments	Obsolete	500 mV	120 Kbps	4.5V – 5.5V	-40°C to 85°C	Tube
MAX202EEUE+T	Analog Devices Inc./Maxim Integrated	Active	500 mV	120 Kbps	4.5V – 5.5V	-40°C to 85°C	Tape & Reel
ADM202EARUZ	Analog Devices Inc.	Active	650 mV	230 Kbps	4.5V – 5.5V	-40°C to 85°C	Tube
ADM202EARUZ-REEL	Analog Devices Inc.	Active	650 mV	230 Kbps	4.5V – 5.5V	-40°C to 85°C	Tape & Reel
ADM202EARUZ-REEL7	Analog Devices Inc.	Active	650 mV	230 Kbps	4.5V – 5.5V	-40°C to 85°C	Cut Tape & Digi-Reel
MAX202CUE+	Analog Devices Inc./Maxim Integrated	Active	500 mV	120 Kbps	4.5V – 5.5V	0°C to 70°C	Tube
MAX202ECUE+	Analog Devices Inc./Maxim Integrated	Active	500 mV	120 Kbps	4.5V – 5.5V	0°C to 70°C	Tube
MAX202ECUE+T	Analog Devices Inc./Maxim Integrated	Active	500 mV	120 Kbps	4.5V – 5.5V	0°C to 70°C	Tape & Reel
SP3232EBCY-L/TR	MaxLinear, Inc.	Active	300 mV	250 Kbps	3V – 5.5V	0°C to 70°C	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Tier 1 – Direct Parametric Equivalents (Recommended for Extended Temperature Range Applications)

MAX202IPWR and TRS202EIPW maintain full parametric alignment with the MAX202IPW across receiver hysteresis, data rate, supply voltage, and operating temperature range (-40°C to 85°C). MAX202IPWR is active status and available in Cut Tape & Digi-Reel packaging, providing superior supply chain availability. TRS202EIPW remains obsolete but offers identical electrical specifications. Both are ROHS3 compliant with MSL 1 rating.

Tier 2 – Enhanced Performance Equivalents (Recommended for High-Speed Applications)

MAX202EEUE+T, ADM202EARUZ, ADM202EARUZ-REEL, and ADM202EARUZ-REEL7 are active-status alternatives from Analog Devices Inc./Maxim Integrated and Analog Devices Inc. respectively. These parts maintain 2/2 full-duplex RS232 transceiver functionality, 16-TSSOP packaging, and 4.5V – 5.5V supply voltage compatibility. ADM202 variants offer enhanced data rate (230 Kbps versus 120 Kbps) and higher receiver hysteresis (650 mV). MAX202EEUE+T maintains 120 Kbps data rate with 500 mV hysteresis. All are ROHS3 compliant with MSL 1 rating and support -40°C to 85°C operating temperature.

Tier 3 – Restricted Temperature Range Alternatives (Conditional Use)

MAX202CUE+, MAX202ECUE+, MAX202ECUE+T, and SP3232EBCY-L/TR operate within 0°C to 70°C temperature range, narrower than the MAX202IPW specification. These parts are suitable only for applications not requiring extended low-temperature operation below 0°C or high-temperature operation above 70°C. SP3232EBCY-L/TR additionally features reduced receiver hysteresis (300 mV) and extended supply voltage range (3V – 5.5V). All maintain ROHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can MAX202IPWR directly replace MAX202IPW in existing designs?

A: Yes. MAX202IPWR is a direct parametric equivalent with identical electrical specifications (500 mV receiver hysteresis, 120 Kbps data rate, 4.5V – 5.5V supply, -40°C to 85°C operating range) and 16-TSSOP packaging. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tube) and active product status, which improves long-term availability.

Q: What is the impact of using ADM202EARUZ instead of MAX202IPW?

A: ADM202EARUZ maintains full functional compatibility as a 2/2 full-duplex RS232 transceiver in 16-TSSOP packaging with identical supply voltage and operating temperature range. The ADM202 variant features higher receiver hysteresis (650 mV versus 500 mV) and enhanced data rate capability (230 Kbps versus 120 Kbps). These differences do not degrade compatibility with MAX202IPW-based designs; the higher hysteresis provides improved noise immunity, and the higher data rate is backward compatible.

Q: Are MAX202CUE+ and MAX202ECUE+ suitable for industrial temperature applications?

A: No. Both parts operate within 0°C to 70°C range, which does not support the extended low-temperature specification (-40°C) of the MAX202IPW. These variants are restricted to commercial temperature range applications. For industrial or extended temperature applications, use MAX202IPWR, TRS202EIPW, MAX202EEUE+T, or ADM202 variants.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in three packaging formats: Tube (MAX202IPW, TRS202EIPW, ADM202EARUZ, MAX202CUE+, MAX202ECUE+), Tape & Reel (MAX202IPWR, MAX202EEUE+T, ADM202EARUZ-REEL, MAX202ECUE+T), and Cut Tape & Digi-Reel (ADM202EARUZ-REEL7, SP3232EBCY-L/TR). Selection depends on procurement volume and assembly process requirements.

Q: Is SP3232EBCY-L/TR compatible with MAX202IPW designs requiring -40°C operation?

A: No. SP3232EBCY-L/TR operates within 0°C to 70°C range and does not support the -40°C lower temperature limit of MAX202IPW. Additionally, SP3232EBCY-L/TR features 300 mV receiver hysteresis and 3V – 5.5V supply voltage range, which differ from MAX202IPW specifications. This part is suitable only for commercial temperature applications with relaxed hysteresis requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the MAX202IPW environmental and regulatory specifications.

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