DS14C232TM RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The DS14C232TM is a 2/2 full-duplex RS232 transceiver manufactured by Texas Instruments in a 16-SOIC surface mount package. This part is classified as obsolete, with 1266 units available in current inventory. Due to its obsolete status and limited availability, identifying equivalent and substitute parts is necessary for ongoing design support, production continuity, and long-term component sourcing strategies.

Key Parameters

Parameter	DS14C232TM
Manufacturer	Texas Instruments
Type	Transceiver
Protocol	RS232
Drivers/Receivers	2/2
Duplex	Full
Package	16-SOIC (0.154", 3.90mm Width)
Receiver Hysteresis	400 mV
Voltage Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution eligibility for the DS14C232TM is determined by the following core parameters:

RS232 protocol compliance
2/2 driver/receiver configuration
Full-duplex operation
16-SOIC package format (0.154", 3.90mm Width)
Surface mount technology
Compatible voltage supply ranges (minimum 4.5V ~ 5.5V overlap)
Operating temperature range compatibility

All substitute parts listed maintain identical functional specifications for protocol, driver/receiver count, duplex mode, and package format. Variations in receiver hysteresis, data rate, and supply voltage ranges are noted where they differ from the original part.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Duplex	Package	Receiver Hysteresis	Voltage Supply	Operating Temperature	Product Status	RoHS Status
DS14C232TM	Texas Instruments	RS232	2/2	Full	16-SOIC	400 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Obsolete	RoHS non-compliant
MAX3232EIDR	Texas Instruments	RS232	2/2	Full	16-SOIC	300 mV	3V ~ 5.5V	-40°C ~ 85°C	Active	ROHS3 Compliant
ADM3202ARNZ	Analog Devices Inc.	RS232	2/2	Full	16-SOIC	400 mV	3V ~ 5.5V	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX232ACSE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	ROHS3 Compliant
MAX232ACSE+T	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	ROHS3 Compliant
MAX232ECSE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	ROHS3 Compliant
MAX232ECSE+T	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Active	ROHS3 Compliant
MAX232EESE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX232EESE+T	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX232ESE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	500 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	ROHS3 Compliant
MAX3232CSE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	Full	16-SOIC	300 mV	3V ~ 5.5V	0°C ~ 70°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are classified as active products with ROHS3 compliance, addressing the obsolescence and regulatory compliance limitations of the DS14C232TM.

For applications requiring extended temperature operation across the full -40°C to 85°C range with active product status, MAX3232EIDR, ADM3202ARNZ, MAX232EESE+, MAX232EESE+T, and MAX232ESE+ are suitable selections.

For applications with standard industrial temperature requirements (0°C to 70°C), MAX232ACSE+, MAX232ACSE+T, MAX232ECSE+, MAX232ECSE+T, and MAX3232CSE+ provide active alternatives.

The MAX3232EIDR and ADM3202ARNZ support reduced supply voltage operation (3V minimum), enabling compatibility with broader power supply architectures compared to the original DS14C232TM specification.

Frequently Asked Questions (FAQ)

Q: Can the DS14C232TM be directly replaced with any of these substitute parts?

A: All listed substitute parts maintain identical RS232 protocol, 2/2 driver/receiver configuration, full-duplex operation, and 16-SOIC package format. Direct pin-compatible replacement is supported. Verify supply voltage and operating temperature requirements for your specific application.

Q: What is the primary difference between MAX3232 and MAX232 series substitutes?

A: The MAX3232 series supports reduced supply voltage operation (3V minimum) and features lower receiver hysteresis (300 mV) compared to MAX232 variants. MAX232 parts maintain the original 4.5V minimum supply voltage and higher receiver hysteresis (500 mV).

Q: Are there packaging differences between substitute options?

A: Substitute parts are available in two packaging formats: Tube and Cut Tape (CT) & Digi-Reel. All maintain the 16-SOIC form factor. Select packaging based on procurement and assembly requirements.

Q: Does the DS14C232TM require RoHS compliance replacement?

A: The original DS14C232TM is RoHS non-compliant. All listed substitute parts are ROHS3 compliant, meeting current regulatory requirements for new designs and production.

Q: Which substitute part most closely matches the original DS14C232TM specifications?

A: ADM3202ARNZ provides the closest electrical match, maintaining 400 mV receiver hysteresis and -40°C to 85°C operating temperature range while offering active product status and ROHS3 compliance.

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