XR3172EID-F Equivalent & Substitute Parts

Part Overview

The XR3172EID-F is a half-duplex RS422/RS485 transceiver IC manufactured by MaxLinear, Inc., housed in an 8-SOIC surface mount package. This device operates across a 3V to 3.6V supply range with a 250kbps data rate and supports industrial temperature ranges from -40°C to 85°C. The part is currently classified as obsolete, making equivalent substitutes necessary for ongoing system support and new designs requiring this functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	XR3172EID-F
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Half
Receiver Hysteresis	25 mV
Data Rate	250kbps
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the XR3172EID-F is determined by strict equivalence across the following critical parameters:

Protocol Compatibility: RS422/RS485 half-duplex operation
Electrical Configuration: 1 driver and 1 receiver
Supply Voltage Range: 3V to 3.6V operation
Data Rate: 250kbps minimum capability
Operating Temperature: -40°C to 85°C range
Package: 8-SOIC form factor with identical pinout compatibility
Receiver Hysteresis: 25 mV specification (primary variants) or 15 mV (alternative variants with enhanced noise immunity)

Substitute parts are grouped into two categories:

Category 1 - Parametric Equivalents (25 mV Hysteresis): Parts maintaining identical receiver hysteresis specification to the original XR3172EID-F.

Category 2 - MFR Recommended Alternatives (15 mV Hysteresis): Active production parts from Renesas Electronics Corporation with improved receiver hysteresis specification, offering enhanced noise margin while maintaining all other critical parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Protocol	Drivers/Receivers	Duplex	Receiver Hysteresis (mV)	Data Rate	Supply Voltage	Operating Temperature	Package	Product Status	RoHS Status
XR3172EID-F	MaxLinear, Inc.	RS422, RS485	1/1	Half	25	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Obsolete	N/A
XR3072XID-F	MaxLinear, Inc.	RS422, RS485	1/1	Half	25	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	N/A
MAX3430ESA+	Analog Devices Inc./Maxim Integrated	RS422, RS485	1/1	Half	25	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
ISL3172EIBZ	Renesas Electronics Corporation	RS422, RS485	1/1	Half	15	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
ISL3172EIBZ-T	Renesas Electronics Corporation	RS422, RS485	1/1	Half	15	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
ISL3172EIBZ-T7A	Renesas Electronics Corporation	RS422, RS485	1/1	Half	15	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
ISL3178EIBZ-T7A	Renesas Electronics Corporation	RS422, RS485	1/1	Half	15	20Mbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
ISL83072EIBZA-T7A	Renesas Electronics Corporation	RS422, RS485	1/1	Half	15	250kbps	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Hysteresis Specification)

The XR3072XID-F from MaxLinear, Inc. provides the closest functional equivalent with matching 25 mV receiver hysteresis. This part maintains active product status and is available in higher inventory quantities (1341 pcs), making it suitable for immediate deployment in systems requiring parameter-for-parameter compatibility.

The MAX3430ESA+ from Analog Devices Inc./Maxim Integrated offers an alternative parametric equivalent with identical 25 mV hysteresis specification and ROHS3 compliance certification. This part is actively produced and maintains 3900 units in stock.

For Enhanced Performance (Improved Noise Immunity)

The ISL3172EIBZ-T7A, ISL3172EIBZ-T, and ISL3172EIBZ from Renesas Electronics Corporation provide active production alternatives with 15 mV receiver hysteresis, delivering improved noise margin compared to the original specification. All variants carry ROHS3 compliance and REACH unaffected status. The ISL3172EIBZ-T7A variant offers the highest inventory availability (20300 pcs) in Cut Tape and Digi-Reel packaging.

The ISL83072EIBZA-T7A from Renesas Electronics Corporation maintains 250kbps data rate with 15 mV hysteresis and active product status, suitable for applications where enhanced receiver sensitivity is beneficial.

For High-Speed Applications

The ISL3178EIBZ-T7A from Renesas Electronics Corporation supports 20Mbps data rate while maintaining all other critical parameters at 15 mV hysteresis. This part is appropriate for systems requiring higher bandwidth capability within the same package footprint.

All recommended substitutes maintain 8-SOIC package compatibility, identical pinout configuration, and the required -40°C to 85°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can I use ISL3172EIBZ-T7A as a direct replacement for XR3172EID-F?

A: Yes. The ISL3172EIBZ-T7A maintains all critical electrical parameters including RS422/RS485 protocol, 1/1 driver/receiver configuration, half-duplex operation, 250kbps data rate, 3V to 3.6V supply voltage, and -40°C to 85°C operating temperature. The 15 mV receiver hysteresis differs from the original 25 mV specification but provides enhanced noise immunity. The 8-SOIC package and pinout are identical.

Q: What is the difference between ISL3172EIBZ, ISL3172EIBZ-T, and ISL3172EIBZ-T7A?

A: These part numbers represent the same base device (ISL3172) with different packaging configurations. ISL3172EIBZ is supplied in Tube packaging. ISL3172EIBZ-T is supplied in Cut Tape and Digi-Reel format. ISL3172EIBZ-T7A is supplied in Tape & Reel format. All three variants are electrically identical with 15 mV receiver hysteresis and active product status.

Q: Why does ISL3178EIBZ-T7A have a different data rate (20Mbps vs 250kbps)?

A: The ISL3178EIBZ-T7A is a higher-speed variant of the ISL3172 family, supporting 20Mbps operation. It maintains all other parameters including supply voltage, operating temperature, package, and duplex configuration. This part is suitable for applications requiring higher bandwidth while maintaining 8-SOIC form factor compatibility.

Q: Are all substitute parts RoHS compliant?

A: The XR3172EID-F does not specify RoHS status. All active production substitutes (ISL3172 series, ISL3178EIBZ-T7A, ISL83072EIBZA-T7A, MAX3430ESA+, and XR3072XID-F) carry ROHS3 compliance certification, meeting current environmental and regulatory requirements.

Q: What is the difference between 25 mV and 15 mV receiver hysteresis?

A: Receiver hysteresis defines the voltage difference between the rising and falling threshold levels of the input comparator. The 25 mV specification in the original XR3172EID-F provides standard noise margin. The 15 mV specification in Renesas alternatives provides tighter threshold control, resulting in improved receiver sensitivity and noise immunity in applications with marginal signal levels.

Q: Can I substitute MAX3430ESA+ for XR3172EID-F?

A: Yes. The MAX3430ESA+ maintains identical receiver hysteresis (25 mV), data rate (250kbps), supply voltage (3V to 3.6V), operating temperature (-40°C to 85°C), and 8-SOIC package configuration. It is actively produced by Analog Devices Inc./Maxim Integrated with ROHS3 compliance.

Q: Which substitute offers the best inventory availability?

A: The ISL3172EIBZ-T variant from Renesas Electronics Corporation offers the highest inventory level at 20300 pcs in Cut Tape and Digi-Reel packaging, providing immediate availability for volume production requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message