MAX3241CWI RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX3241CWI is a full-duplex RS232 transceiver IC manufactured by Analog Devices Inc./Maxim Integrated, designed for serial communication applications requiring 3/5 driver/receiver configuration. This component operates across a 3V to 5.5V supply range with a data rate of 235 Kbps and is housed in a 28-SOIC surface mount package.

The MAX3241CWI carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for legacy systems and new designs requiring this transceiver functionality.

Substiute Parts

MAX3241CWI

Analog Devices Inc./Maxim IntegratedIn Stock: 2232MAX3241CWI Datasheet

Current PartRFQ

MAX3241CWI+

Analog Devices Inc./Maxim IntegratedIn Stock: 976MAX3241CWI+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX3241CWI is determined by strict alignment of the following critical parameters:

• Protocol Compatibility: RS232 full-duplex transceiver
• Driver/Receiver Configuration: 3/5 channel architecture
• Electrical Performance: 235 Kbps data rate, 300 mV receiver hysteresis
• Supply Voltage Range: 3V to 5.5V operation
• Package Specification: 28-SOIC surface mount form factor
• Thermal Operating Range: 0°C to 70°C

The MAX3241CWI+ meets all parametric equivalence criteria and qualifies as a direct substitute. The primary distinction between the main part and its substitute is product status and regulatory compliance posture.

Parameter Comparison

Engineering Selection Recommendations

The MAX3241CWI+ is the qualified substitute for the MAX3241CWI based on the following engineering criteria:

Parametric Equivalence: All electrical, functional, and mechanical specifications are identical. Both parts deliver identical RS232 transceiver performance with 3/5 driver/receiver configuration, 235 Kbps data rate, and 28-SOIC packaging.

Product Status: The MAX3241CWI+ maintains active product status, ensuring ongoing manufacturer support, availability, and supply chain continuity. The MAX3241CWI is obsolete, presenting long-term sourcing risk.

Regulatory Compliance: The MAX3241CWI+ achieves ROHS3 compliance, meeting current environmental and regulatory requirements. The MAX3241CWI is RoHS non-compliant, which may restrict use in applications subject to RoHS directives.

Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity constraints during storage or handling.

For new designs and legacy system support requiring RS232 transceiver functionality with 3/5 channel configuration, the MAX3241CWI+ is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can MAX3241CWI+ be used as a direct replacement for MAX3241CWI in existing designs?

A: Yes. The MAX3241CWI+ is parametrically equivalent across all electrical, functional, and mechanical specifications. Pin configuration, package footprint, and performance characteristics are identical. No circuit modifications are required.

Q: What is the primary difference between MAX3241CWI and MAX3241CWI+?

A: The MAX3241CWI+ is the active production variant with ROHS3 compliance and tube packaging. The MAX3241CWI is obsolete and RoHS non-compliant. Both deliver identical transceiver performance.

Q: Are there any supply voltage or operating temperature differences?

A: No. Both parts operate across 3V to 5.5V supply range and 0°C to 70°C temperature range with identical electrical characteristics.

Q: Does the 28-SOIC package remain the same for both parts?

A: Yes. Both parts use the 28-SOIC (0.295", 7.50mm Width) surface mount package. PCB footprints and land patterns are identical.

Q: What is the data rate specification for these RS232 transceivers?

A: Both the MAX3241CWI and MAX3241CWI+ support a data rate of 235 Kbps with 300 mV receiver hysteresis.

Q: Are there moisture sensitivity concerns during component storage?

A: No. Both parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity constraints. Standard component storage practices apply.

Q: Why is RoHS compliance important for this substitution?

A: ROHS3 compliance ensures the MAX3241CWI+ meets current environmental regulations and is suitable for applications subject to RoHS directives. The obsolete MAX3241CWI may not meet these requirements for new deployments.