MAX232NS Equivalent & Substitute Parts

Part Overview

The MAX232NS is a 2/2 RS232 transceiver IC manufactured by Texas Instruments, housed in a 16-SOIC surface mount package. This component functions as a dual driver/receiver interface for RS232 serial communication protocols. The MAX232NS is classified as obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. Substitute parts must maintain identical electrical characteristics, mechanical compatibility, and functional performance to ensure seamless integration into existing circuit designs.

Substiute Parts

MAX232NS

Texas InstrumentsIn Stock: 1696MAX232NS Datasheet

Current PartRFQ

MAX232NSR

Texas InstrumentsIn Stock: 2053MAX232NSR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX232NS is determined by strict equivalence across the following critical parameters:

• Protocol Compatibility: RS232 transceiver functionality
• Driver/Receiver Configuration: 2/2 dual driver and dual receiver architecture
• Electrical Specifications: Receiver hysteresis of 500 mV, data rate of 120 Kbps, supply voltage range of 4.5V ~ 5.5V
• Package Compatibility: 16-SOIC surface mount package with identical pinout and mechanical dimensions
• Operating Temperature Range: 0°C ~ 70°C
• Regulatory Compliance: ROHS3 compliance, REACH unaffected status

The MAX232NSR qualifies as a direct substitute based on full alignment with all specified parameters. The primary distinction is product status: MAX232NSR is active and available, whereas MAX232NS is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The MAX232NSR is the direct equivalent for MAX232NS applications. Both parts are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications. The MAX232NSR is the recommended selection for new designs and production continuity due to its active product status and current availability. Both parts carry ROHS3 compliance and REACH unaffected certification, ensuring regulatory alignment for industrial and commercial applications. The difference in packaging format (Tube versus Cut Tape & Digi-Reel®) does not affect functional performance and reflects standard supply chain variations.

Frequently Asked Questions (FAQ)

Q: Can MAX232NSR be used as a direct replacement for MAX232NS?

A: Yes. The MAX232NSR is a direct functional and mechanical equivalent. All electrical parameters, package dimensions, pinout configuration, and operating specifications are identical. The primary difference is product status: MAX232NSR is active and currently manufactured, while MAX232NS is obsolete.

Q: Are there any differences in pin configuration between these parts?

A: No. Both the MAX232NS and MAX232NSR use the 16-SOIC package with identical pinout. No circuit modifications are required for substitution.

Q: What is the significance of the "Full" designation in the MAX232NSR description?

A: The MAX232NSR is specified as a "Full" duplex transceiver, indicating simultaneous bidirectional communication capability. This is standard for RS232 transceiver operation and does not represent a functional difference from the MAX232NS.

Q: Does packaging format affect compatibility?

A: No. The difference between Tube packaging (MAX232NS) and Cut Tape & Digi-Reel® packaging (MAX232NSR) is a supply chain consideration only. Both formats contain identical components with no impact on electrical performance or circuit integration.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both MAX232NS and MAX232NSR are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for industrial electronics.