MAX3244CWI+ Equivalent & Substitute Parts

Part Overview

The MAX3244CWI+ is a full-duplex RS232 transceiver with 3 drivers and 5 receivers, manufactured by Analog Devices Inc./Maxim Integrated. This device operates across a 3V to 5.5V supply range and supports data rates up to 250kbps, making it suitable for legacy serial communication applications requiring bidirectional signal conversion.

The MAX3244CWI+ is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support long-term product availability for systems currently utilizing this transceiver.

Substiute Parts

MAX3244CWI+

Analog Devices Inc./Maxim IntegratedIn Stock: 1110MAX3244CWI+ Datasheet

Current PartRFQ

MAX3241ECWI+

Analog Devices Inc./Maxim IntegratedIn Stock: 906MAX3241ECWI+ Datasheet

Parametric EquivalentRFQ

MAX3244ECWI+

Analog Devices Inc./Maxim IntegratedIn Stock: 1101MAX3244ECWI+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX3244CWI+ is determined by strict equivalence across the following critical parameters:

• Protocol specification (RS232)
• Driver/receiver configuration (3/5)
• Full-duplex operation capability
• Receiver hysteresis (500 mV)
• Maximum data rate (250kbps)
• Supply voltage range (3V ~ 5.5V)
• Operating temperature range (0°C ~ 70°C)
• Physical package (28-SOIC with identical dimensions)
• Surface mount compatibility
• Compliance certifications (RoHS3, REACH Unaffected)

The identified substitute parts—MAX3241ECWI+ and MAX3244ECWI+—meet all these parameters identically. Both are active products from the same manufacturer, providing direct functional and mechanical compatibility with the obsolete MAX3244CWI+.

Parameter Comparison

Engineering Selection Recommendations

Both MAX3241ECWI+ and MAX3244ECWI+ are direct functional equivalents to the MAX3244CWI+. The primary distinction is product status: the original part is obsolete, while both substitutes are active products with ongoing manufacturer support.

Selection between the two substitute options should be based on supply chain availability and procurement lead times. Both parts carry identical electrical specifications, mechanical compatibility, and compliance certifications (ROHS3 Compliant, REACH Unaffected). No design modifications are required when transitioning from MAX3244CWI+ to either substitute part.

Frequently Asked Questions (FAQ)

Q: Can MAX3241ECWI+ and MAX3244ECWI+ be used interchangeably with MAX3244CWI+?

A: Yes. Both substitute parts meet all electrical and mechanical parameters of the original part, including RS232 protocol compliance, 3/5 driver/receiver configuration, full-duplex operation, 250kbps data rate, 3V to 5.5V supply range, and 28-SOIC package dimensions. No circuit modifications are necessary.

Q: What is the difference between MAX3241ECWI+ and MAX3244ECWI+?

A: Both parts are parametrically identical across all specified electrical and mechanical characteristics. The difference lies in their base product numbers (MAX3241 versus MAX3244), but this does not affect functional compatibility or performance in applications designed for the MAX3244CWI+.

Q: Are the substitute parts available in the same packaging?

A: Yes. Both MAX3241ECWI+ and MAX3244ECWI+ are supplied in 28-SOIC packages with identical dimensions (0.295", 7.50mm Width) and surface mount compatibility, ensuring direct PCB compatibility without layout modifications.

Q: Do the substitute parts meet the same compliance standards?

A: Yes. Both substitute parts are ROHS3 Compliant and REACH Unaffected, matching the compliance profile of the original MAX3244CWI+.

Q: Why is the original MAX3244CWI+ marked as obsolete?

A: Product obsolescence typically reflects manufacturer discontinuation decisions. Active substitute parts from the same manufacturer provide equivalent functionality and are recommended for new designs and legacy system support.