XR3171EID-F Equivalent & Substitute Parts

Part Overview

The XR3171EID-F is a half-duplex RS422/RS485 transceiver IC manufactured by MaxLinear, Inc., housed in an 8-SOIC surface mount package. This device operates at 3V to 3.6V supply voltage with a 250kbps data rate and supports industrial temperature ranges from -40°C to 85°C. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring compatible functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	XR3171EID-F
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS422, RS485
Duplex Configuration	Half
Number of Drivers/Receivers	1/1
Receiver Hysteresis	25 mV
Data Rate	250kbps
Voltage Supply Range	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the XR3171EID-F is determined by the following critical parameters:

Primary Substitution Criteria:

Protocol support: RS422/RS485
Duplex configuration: Half or Full duplex capability
Number of drivers/receivers: 1/1 configuration
Package type: 8-SOIC form factor
Voltage supply range compatibility
Operating temperature range: -40°C to 85°C minimum
Data rate: 250kbps minimum

Substitution Categories:

Parametric Equivalents maintain identical electrical and mechanical specifications to the XR3171EID-F, differing only in product status or packaging format. These parts are direct replacements with no design modifications required.

MFR Recommended Substitutes are manufacturer-approved alternatives that meet the core functional requirements but may differ in specific parameters such as duplex configuration (full vs. half), voltage supply range, receiver hysteresis, or data rate capabilities. These parts require design verification to confirm compatibility with the target application.

Parameter Comparison

Part Number	Manufacturer	Duplex	Voltage Supply	Data Rate	Receiver Hysteresis	Operating Temp	Product Status	Package
XR3171EID-F	MaxLinear, Inc.	Half	3V ~ 3.6V	250kbps	25 mV	-40°C ~ 85°C	Obsolete	8-SOIC
XR3072XID-F	MaxLinear, Inc.	Half	3V ~ 3.6V	250kbps	25 mV	-40°C ~ 85°C	Active	8-SOIC
MAX3430ESA+	Analog Devices Inc./Maxim Integrated	Half	3V ~ 3.6V	250kbps	25 mV	-40°C ~ 85°C	Active	8-SOIC
ADM488ARZ-REEL	Analog Devices Inc.	Full	4.5V ~ 5.5V	250kbps	70 mV	-40°C ~ 85°C	Active	8-SOIC
ADM488ARZ-REEL7	Analog Devices Inc.	Full	4.5V ~ 5.5V	250kbps	70 mV	-40°C ~ 85°C	Active	8-SOIC
ISL3171EIBZ	Renesas Electronics Corporation	Full	3V ~ 3.6V	250kbps	15 mV	-40°C ~ 85°C	Active	8-SOIC
LTC1686CS8#PBF	Analog Devices Inc.	Full	4.75V ~ 5.25V	52Mbps	25 mV	0°C ~ 70°C	Active	8-SOIC
LTC1686CS8#TRPBF	Analog Devices Inc.	Full	4.75V ~ 5.25V	52Mbps	25 mV	0°C ~ 70°C	Active	8-SOIC
LTC1686IS8#PBF	Analog Devices Inc.	Full	4.75V ~ 5.25V	52Mbps	25 mV	-40°C ~ 85°C	Active	8-SOIC
LTC1686IS8#TRPBF	Analog Devices Inc.	Full	4.75V ~ 5.25V	52Mbps	25 mV	-40°C ~ 85°C	Active	8-SOIC
LTC2851MPS8#TRPBF	Analog Devices Inc.	Full	3V ~ 3.6V	20Mbps	25 mV	-55°C ~ 125°C	Active	8-SOIC

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalent):

XR3072XID-F and MAX3430ESA+ are parametric equivalents to the XR3171EID-F. Both maintain identical electrical specifications including half-duplex configuration, 3V to 3.6V supply voltage, 250kbps data rate, and -40°C to 85°C operating temperature range. Both parts are in active product status with RoHS3 compliance. These parts require no design modifications and are suitable for direct substitution in existing applications.

Voltage Supply Compatible Substitutes:

ISL3171EIBZ (Renesas Electronics Corporation) operates within the same 3V to 3.6V supply voltage range as the XR3171EID-F and maintains the -40°C to 85°C operating temperature range. This part supports full-duplex operation with a lower receiver hysteresis of 15 mV. The part is RoHS3 compliant and in active status. Design verification is required to confirm full-duplex capability compatibility with the target application.

LTC2851MPS8#TRPBF (Analog Devices Inc.) operates within the 3V to 3.6V supply voltage range with an extended operating temperature range of -55°C to 125°C. This part supports full-duplex operation at 20Mbps data rate. The part is RoHS3 compliant and in active status. Design verification is required to confirm full-duplex capability and reduced data rate compatibility.

Higher Voltage Supply Substitutes:

ADM488ARZ-REEL and ADM488ARZ-REEL7 (Analog Devices Inc.) require 4.5V to 5.5V supply voltage, differing from the XR3171EID-F specification. Both support full-duplex operation with 250kbps data rate and -40°C to 85°C operating temperature. These parts are RoHS3 compliant and in active status. Power supply redesign is required for implementation.

LTC1686 series parts (LTC1686CS8#PBF, LTC1686CS8#TRPBF, LTC1686IS8#PBF, LTC1686IS8#TRPBF) require 4.75V to 5.25V supply voltage and support full-duplex operation at 52Mbps data rate. The industrial temperature variants (IS8) maintain -40°C to 85°C operating range. These parts are RoHS3 compliant and in active status. Power supply redesign and thermal verification are required for implementation.

Frequently Asked Questions (FAQ)

Q: Can XR3072XID-F directly replace XR3171EID-F without design changes?

A: Yes. XR3072XID-F is a parametric equivalent with identical electrical and mechanical specifications. No design modifications are required. Both parts operate at 3V to 3.6V, support half-duplex RS422/RS485 operation, and are housed in 8-SOIC packages.

Q: What is the difference between half-duplex and full-duplex transceiver substitutes?

A: Half-duplex transceivers (XR3171EID-F, XR3072XID-F, MAX3430ESA+) transmit and receive on the same bus line sequentially. Full-duplex transceivers (ADM488, ISL3171, LTC1686, LTC2851) support simultaneous transmission and reception. Full-duplex substitutes require application-level compatibility verification to confirm the system can utilize bidirectional communication capability.

Q: Why do some substitutes require different supply voltages?

A: Different manufacturers design transceivers for specific voltage domains. ADM488 and LTC1686 series are optimized for 5V systems, while ISL3171 and LTC2851 support 3.3V systems. Voltage selection depends on the target system architecture. Substitutes requiring different supply voltages necessitate power supply redesign and board-level modifications.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed are RoHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

Q: What packaging options are available for substitutes?

A: All substitute parts are available in 8-SOIC surface mount packages, maintaining mechanical compatibility with the original XR3171EID-F footprint. Packaging formats vary (Tube, Tape & Reel, Cut Tape & Digi-Reel) but do not affect electrical performance or PCB assembly compatibility.

Q: Can LTC1686 parts operate at the same data rate as XR3171EID-F?

A: Yes. LTC1686 parts support 52Mbps data rate, which exceeds the 250kbps requirement of XR3171EID-F. However, these parts require 4.75V to 5.25V supply voltage and support full-duplex operation, requiring system-level design verification before implementation.

Q: Which substitute offers the widest operating temperature range?

A: LTC2851MPS8#TRPBF operates from -55°C to 125°C, providing the widest temperature coverage. This part is suitable for extended temperature applications but requires 3V to 3.6V supply voltage and full-duplex capability verification.

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