MAX231MJD RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX231MJD is a 2/2 RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, housed in a 14-CDIP package. This interface IC operates across multiple supply voltages (5V, 7.5V, 13.2V) and supports data rates up to 120 Kbps with a receiver hysteresis of 500 mV. The part is classified as obsolete, making identification of active equivalent components essential for new designs and production continuity.

Substiute Parts

MAX231MJD

Analog Devices Inc./Maxim IntegratedIn Stock: 973MAX231MJD Datasheet

Current PartRFQ

MAX231MJD/883B

Analog Devices Inc./Maxim IntegratedIn Stock: 2222MAX231MJD/883B Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX231MJD is determined by strict equivalence across the following critical parameters:

• Protocol Compatibility: RS232 transceiver functionality
• Driver/Receiver Configuration: 2/2 channel architecture
• Electrical Performance: 120 Kbps data rate, 500 mV receiver hysteresis
• Supply Voltage Range: 5V, 7.5V, 13.2V operation
• Temperature Range: -55°C to 125°C operating window
• Package Compatibility: 14-CDIP through-hole form factor
• Moisture Sensitivity: MSL 1 rating

The substitute part MAX231MJD/883B maintains identical electrical and mechanical specifications while offering active product status, ensuring continued availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The MAX231MJD/883B serves as the direct functional equivalent for the obsolete MAX231MJD. Both components share identical electrical specifications and package geometry, enabling direct substitution in existing designs without circuit modification.

The primary distinction is product status: MAX231MJD/883B maintains active manufacturing status, ensuring supply chain continuity and long-term availability. This substitute is suitable for new production runs, design refreshes, and legacy system maintenance where the original MAX231MJD is no longer procurable.

Compliance considerations differ between the two variants. The original MAX231MJD carries ROHS3 compliance, while MAX231MJD/883B is RoHS non-compliant. Applications subject to RoHS regulatory requirements should evaluate compliance obligations before component selection.

Frequently Asked Questions (FAQ)

Q: Can MAX231MJD/883B replace MAX231MJD in existing PCB designs?

A: Yes. Both components are housed in identical 14-CDIP packages with matching pinouts, electrical specifications, and operating parameters. No PCB layout or schematic modifications are required.

Q: What is the difference between MAX231MJD and MAX231MJD/883B?

A: The primary differences are product status (obsolete vs. active) and RoHS compliance classification. Electrical performance, supply voltage range, data rate, temperature range, and package specifications are identical.

Q: Are there supply voltage compatibility concerns?

A: No. Both components operate across the same supply voltage range: 5V, 7.5V, and 13.2V. Circuit designs utilizing any of these supply voltages are compatible with either part.

Q: Does the 14-CDIP package require special handling?

A: Both components carry MSL 1 (Unlimited) moisture sensitivity ratings, indicating no special moisture control measures are required during storage or assembly.

Q: Which part should be selected for new designs?

A: MAX231MJD/883B is recommended for new designs due to active product status and guaranteed long-term availability. The original MAX231MJD is obsolete and procurement may be limited to existing inventory.