MAX202CDW RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX202CDW is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments, housed in a 16-SOIC surface mount package. This interface IC operates at 4.5V to 5.5V supply voltage with a data rate of 120 Kbps and receiver hysteresis of 500 mV. The part is currently in Last Time Buy status with 76,380 units in stock. Due to its Last Time Buy classification, identifying functionally equivalent substitute parts is essential for long-term design continuity and supply chain planning.

Key Parameters

Parameter	MAX202CDW
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 Kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAX202CDW is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Package / Case: 16-SOIC (0.295", 7.50mm Width)
Voltage - Supply: 4.5V ~ 5.5V
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Allowable Variations:

Operating Temperature: Extended range (-40°C ~ 85°C) is acceptable as it encompasses the original 0°C ~ 70°C range
Data Rate: Higher data rates (230 Kbps) are acceptable as they exceed the original 120 Kbps specification
Receiver Hysteresis: Variations within 400 mV to 650 mV are acceptable for RS232 interface compliance
Moisture Sensitivity Level (MSL): MSL 1 and MSL 3 are both acceptable
Packaging Format: Tube, Cut Tape (CT) & Digi-Reel®, and Tape & Reel (TR) are interchangeable based on procurement requirements

Substitute parts are grouped into three categories: Direct Manufacturer Equivalents (same base product number), Upgrade Options (enhanced performance specifications), and Manufacturer Recommended Alternatives (functionally compatible from different manufacturers).

Parameter Comparison

Part Number	Manufacturer	Product Status	Data Rate	Operating Temperature	Receiver Hysteresis	Packaging	Inventory
MAX202CDW	Texas Instruments	Last Time Buy	120 Kbps	0°C ~ 70°C	500 mV	Tube	76,380 Pcs
MAX202ECWE+T	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	0°C ~ 70°C	500 mV	Cut Tape (CT) & Digi-Reel®	4,032 Pcs
MAX202EEWE+	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	-40°C ~ 85°C	500 mV	Tube	1,032 Pcs
HIN202EIBZ	Renesas Electronics Corporation	Active	230 Kbps	-40°C ~ 85°C	500 mV	Tube	1,512 Pcs
HIN202EIBZ-T	Renesas Electronics Corporation	Active	230 Kbps	-40°C ~ 85°C	500 mV	Tape & Reel (TR)	2,098 Pcs
ADM1181AARWZ	Analog Devices Inc.	Active	230 Kbps	-40°C ~ 85°C	650 mV	Tube	6,390 Pcs
ADM1181AARWZ-REEL	Analog Devices Inc.	Active	230 Kbps	-40°C ~ 85°C	650 mV	Tape & Reel (TR)	1,248 Pcs
ADM202EARWZ	Analog Devices Inc.	Active	230 Kbps	-40°C ~ 85°C	650 mV	Tube	1,600 Pcs
ADM202EARWZ-REEL	Analog Devices Inc.	Active	230 Kbps	-40°C ~ 85°C	650 mV	Tape & Reel (TR)	2,021 Pcs
ADM202JRWZ	Analog Devices Inc.	Active	Not Specified	0°C ~ 70°C	400 mV	Tube	2,814 Pcs
ADM202JRWZ-REEL	Analog Devices Inc.	Active	Not Specified	0°C ~ 70°C	400 mV	Tape & Reel (TR)	2,530 Pcs

Engineering Selection Recommendations

Direct Equivalents (Same Base Product Number - MAX202):

MAX202ECWE+T and MAX202EEWE+ maintain identical electrical specifications to the MAX202CDW with matching 2/2 transceiver configuration, RS232 protocol, and 500 mV receiver hysteresis. Both are Active status parts from Analog Devices Inc./Maxim Integrated. MAX202EEWE+ offers extended operating temperature range (-40°C ~ 85°C) compared to the original 0°C ~ 70°C specification. Selection between these depends on packaging requirements: MAX202ECWE+T is available in Cut Tape & Digi-Reel® format, while MAX202EEWE+ is supplied in Tube packaging.

Upgrade Options (Enhanced Performance):

HIN202EIBZ and HIN202EIBZ-T from Renesas Electronics Corporation provide doubled data rate capability (230 Kbps versus 120 Kbps) while maintaining all other critical parameters including 500 mV receiver hysteresis and 4.5V ~ 5.5V supply voltage. Both are Active status parts with extended operating temperature range (-40°C ~ 85°C). The choice between these variants depends on packaging format: HIN202EIBZ in Tube or HIN202EIBZ-T in Tape & Reel.

Manufacturer Recommended Alternatives:

ADM1181AARWZ, ADM1181AARWZ-REEL, ADM202EARWZ, and ADM202EARWZ-REEL from Analog Devices Inc. are Active status parts offering 230 Kbps data rate and extended temperature range (-40°C ~ 85°C). These parts feature 650 mV receiver hysteresis, which remains within acceptable RS232 interface specifications. ADM202JRWZ and ADM202JRWZ-REEL maintain the original 0°C ~ 70°C temperature range with 400 mV receiver hysteresis. All recommended alternatives are ROHS3 compliant with MSL 1 rating.

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory continuity with the original MAX202CDW specification.

Frequently Asked Questions (FAQ)

Q: Can I use MAX202EEWE+ as a direct replacement for MAX202CDW?

A: Yes. MAX202EEWE+ is a direct electrical equivalent with identical 2/2 transceiver configuration, RS232 protocol, 500 mV receiver hysteresis, and 120 Kbps data rate. The extended operating temperature range (-40°C ~ 85°C) encompasses the original 0°C ~ 70°C specification. Both are supplied in Tube packaging. The primary difference is manufacturer transition from Texas Instruments to Analog Devices Inc./Maxim Integrated.

Q: What is the difference between HIN202EIBZ and the MAX202 variants?

A: HIN202EIBZ from Renesas Electronics Corporation maintains all critical electrical parameters (2/2 transceiver, RS232, 500 mV hysteresis, 4.5V ~ 5.5V supply) but offers doubled data rate capability at 230 Kbps compared to 120 Kbps. It also provides extended operating temperature range (-40°C ~ 85°C). This represents a performance upgrade suitable for applications requiring higher data throughput.

Q: Are ADM202EARWZ and ADM1181AARWZ interchangeable?

A: Both parts are functionally compatible as 2/2 RS232 transceivers with identical supply voltage (4.5V ~ 5.5V), extended operating temperature (-40°C ~ 85°C), and 230 Kbps data rate. The primary difference is receiver hysteresis specification: ADM202EARWZ at 650 mV versus ADM1181AARWZ at 650 mV. Both are acceptable for RS232 interface applications. Selection depends on base product number requirements and inventory availability.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in three packaging formats: Tube (standard packaging for component handling), Cut Tape & Digi-Reel® (automated assembly format), and Tape & Reel (TR) (high-volume production format). Tube and Tape & Reel variants are most commonly available across the substitute part list. Selection depends on manufacturing process requirements and procurement volume.

Q: Can I use ADM202JRWZ if my application operates at 0°C ~ 70°C?

A: Yes. ADM202JRWZ operates within the 0°C ~ 70°C temperature range matching the original MAX202CDW specification. It maintains 2/2 transceiver configuration, RS232 protocol, and 4.5V ~ 5.5V supply voltage. The 400 mV receiver hysteresis is within acceptable RS232 specifications. This part is suitable for applications with identical thermal requirements to the original design.

Q: Why do some substitute parts have higher data rates than the original MAX202CDW?

A: Higher data rate specifications (230 Kbps versus 120 Kbps) represent enhanced performance capability. These parts maintain backward compatibility with lower data rate applications while providing headroom for future design requirements. The original 120 Kbps specification remains fully supported by all substitute parts listed.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory continuity with the original MAX202CDW specification across all manufacturing jurisdictions.

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