GD65232DW RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The GD65232DW is a 3/5 transceiver IC implementing the RS232 protocol in a 20-SOIC surface mount package, manufactured by Texas Instruments. This component is classified as Last Time Buy, indicating limited future availability. The GD65232DW provides full-duplex RS232 communication with integrated driver and receiver functionality suitable for serial communication applications requiring 5V or ±7.5V to ±15V supply operation.

Equivalent and substitute parts are necessary due to product lifecycle status and inventory availability considerations. Alternative parts maintain functional compatibility through matching electrical specifications and package form factors.

Substiute Parts

GD65232DW

Texas InstrumentsIn Stock: 1357GD65232DW Datasheet

Current PartRFQ

GD65232PWR

Texas InstrumentsIn Stock: 35138GD65232PWR Datasheet

MFR RecommendedRFQ

MAX3185CWP+

Analog Devices Inc./Maxim IntegratedIn Stock: 886MAX3185CWP+ Datasheet

MFR RecommendedRFQ

MAX3185CWP+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1044MAX3185CWP+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the GD65232DW are grouped based on the following substitution criteria:

Primary Substitution Parameters:

• Protocol: RS232
• Type: Transceiver
• Number of Drivers/Receivers: 3/5
• Duplex: Full
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant

Package Compatibility Grouping:

Group 1 - Same Package (20-SOIC): Parts maintaining identical 20-SOIC package form factor with matching pin configuration and electrical interface.

Group 2 - Alternative Package (20-TSSOP): Parts with equivalent electrical functionality but different surface mount package geometry, requiring PCB layout modification.

Substitution validity is determined by matching the core functional parameters (protocol, transceiver type, driver/receiver count, duplex mode) and compliance certifications. Package differences require design review but do not affect electrical compatibility when pin assignments are verified.

Parameter Comparison

Engineering Selection Recommendations

GD65232PWR (Texas Instruments): Direct functional equivalent with identical electrical specifications and same base product number (GD65232). Differs only in packaging format (20-TSSOP vs. 20-SOIC) and product status (Active vs. Last Time Buy). Suitable for new designs or production transitions requiring active product status. Requires PCB layout modification due to package geometry change.

MAX3185CWP+ and MAX3185CWP+T (Analog Devices Inc./Maxim Integrated): Functionally compatible alternatives with identical package form factor (20-SOIC) to the GD65232DW. Both parts maintain Active product status and ROHS3 compliance. Electrical differences include higher receiver hysteresis (650 mV vs. 500 mV), increased data rate capability (230kbps vs. 120Kbps), and narrower supply voltage range (4.5V ~ 5.5V vs. 5V, ±7.5V ~ 15V). Operating temperature range is narrower (0°C ~ 70°C vs. -40°C ~ 85°C). Selection between MAX3185CWP+ (Tube packaging) and MAX3185CWP+T (Tape & Reel packaging) depends on procurement and assembly requirements.

All substitute parts maintain ROHS3 compliance and EAR99 export classification matching the original part.

Frequently Asked Questions (FAQ)

Q: Can GD65232PWR directly replace GD65232DW without PCB modification?

A: GD65232PWR maintains identical electrical specifications and pin configuration but uses a different surface mount package (20-TSSOP vs. 20-SOIC). PCB footprint modification is required. The 20-TSSOP package has a narrower body width (4.40mm vs. 7.50mm), necessitating layout changes.

Q: What are the key differences between GD65232DW and MAX3185CWP+?

A: Both parts use the 20-SOIC package and maintain full RS232 3/5 transceiver functionality. Differences include: MAX3185CWP+ has higher receiver hysteresis (650 mV vs. 500 mV), supports higher data rates (230kbps vs. 120Kbps), operates on narrower supply voltage (4.5V ~ 5.5V vs. 5V, ±7.5V ~ 15V), and has a narrower operating temperature range (0°C ~ 70°C vs. -40°C ~ 85°C).

Q: Is MAX3185CWP+ suitable for applications requiring ±15V supply operation?

A: No. MAX3185CWP+ operates on 4.5V ~ 5.5V supply voltage only and does not support the ±7.5V ~ 15V dual supply range of GD65232DW. Applications requiring dual supply operation must use GD65232DW or GD65232PWR.

Q: What is the difference between MAX3185CWP+ and MAX3185CWP+T?

A: Both parts are electrically identical with the same 20-SOIC package. The difference is packaging format: MAX3185CWP+ is supplied in Tube packaging, while MAX3185CWP+T is supplied in Tape & Reel (TR) format. Selection depends on procurement volume and assembly line requirements.

Q: Can GD65232DW be used in applications with operating temperatures below 0°C?

A: Yes. GD65232DW operates from -40°C ~ 85°C. MAX3185CWP+ and MAX3185CWP+T operate only from 0°C ~ 70°C and are not suitable for low-temperature applications below 0°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. GD65232DW, GD65232PWR, MAX3185CWP+, and MAX3185CWP+T are all ROHS3 compliant with MSL rating of 1 (Unlimited) and REACH Unaffected status.