FIN1031M LVDS Driver IC Equivalent & Substitute Parts

Part Overview

The FIN1031M is a 4/0 LVDS driver interface IC manufactured by onsemi in a 16-SOIC surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The FIN1031M operates at 400 Mbps data rate with a 3V to 3.6V supply voltage range and supports industrial temperature specifications from -40°C to 85°C. Identifying compatible alternatives ensures design continuity and supply chain flexibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	FIN1031M
Manufacturer	onsemi
Category	Interface
Type	Driver
Protocol	LVDS
Number of Drivers/Receivers	4/0
Data Rate	400 Mbps
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the FIN1031M is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

Number of Drivers/Receivers: 4/0 configuration
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Voltage - Supply: 3V ~ 3.6V range
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed below meet these core requirements. The FIN1031MX represents an active product variant from the same manufacturer with identical electrical specifications. The DS90LV031ATM/NOPB (National Semiconductor) and SN65LVDM31D/SN65LVDM31DR (Texas Instruments) are functionally equivalent LVDS driver ICs that satisfy all critical parameters and maintain full pin and package compatibility.

Parameter Comparison

Parameter	FIN1031M	FIN1031MX	DS90LV031ATM/NOPB	SN65LVDM31D	SN65LVDM31DR
Manufacturer	onsemi	onsemi	National Semiconductor	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active	Active
Type	Driver	Driver	Driver	Driver	Driver
Number of Drivers/Receivers	4/0	4/0	4/0	4/0	4/0
Voltage - Supply	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not specified	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	Not specified	REACH Unaffected	REACH Unaffected
Packaging Option	Standard	Cut Tape & Digi-Reel	Standard	Tube	Tape & Reel

Engineering Selection Recommendations

Primary Recommendation: FIN1031MX

The FIN1031MX is the preferred substitute for the obsolete FIN1031M. Both parts share identical manufacturer lineage (onsemi), electrical specifications, and package configuration. The FIN1031MX carries active product status with ROHS3 compliance and REACH unaffected certification, providing superior supply chain availability and regulatory alignment for new designs.

Secondary Recommendations: SN65LVDM31D / SN65LVDM31DR

The Texas Instruments SN65LVDM31D and SN65LVDM31DR are functionally equivalent alternatives with active product status and ROHS3 compliance. Both variants meet all critical electrical and mechanical parameters. The SN65LVDM31DR (Tape & Reel packaging) is optimized for high-volume production, while the SN65LVDM31D (Tube packaging) suits lower-volume applications.

Alternative Option: DS90LV031ATM/NOPB

The National Semiconductor DS90LV031ATM/NOPB maintains full electrical and package compatibility with the FIN1031M. This part carries active product status and offers the highest inventory availability among all substitutes.

Frequently Asked Questions (FAQ)

Q: Can FIN1031MX be used as a direct replacement for FIN1031M?

A: Yes. The FIN1031MX is a direct substitute with identical electrical specifications, pin configuration, and 16-SOIC package. Both parts operate at 3V to 3.6V supply voltage, support 400 Mbps data rate, and maintain -40°C to 85°C temperature range. The primary difference is product status: FIN1031MX is active while FIN1031M is obsolete.

Q: What are the key differences between the Texas Instruments variants SN65LVDM31D and SN65LVDM31DR?

A: Both parts are electrically identical 4/0 LVDS drivers in 16-SOIC packages with matching voltage and temperature specifications. The difference is packaging: SN65LVDM31D is supplied in Tube format, while SN65LVDM31DR is supplied in Tape & Reel format. Selection depends on procurement volume and assembly line requirements.

Q: Are all substitute parts ROHS3 compliant?

A: FIN1031MX, SN65LVDM31D, and SN65LVDM31DR are ROHS3 compliant. The DS90LV031ATM/NOPB does not specify RoHS status in the provided data.

Q: Do all substitutes have the same moisture sensitivity level?

A: FIN1031M, FIN1031MX, SN65LVDM31D, and SN65LVDM31DR all specify MSL 1 (Unlimited). The DS90LV031ATM/NOPB does not specify MSL in the provided data.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, all listed substitutes maintain identical pin configuration, package dimensions (16-SOIC 0.154" width), and electrical operating parameters. No PCB layout or schematic modifications are required for substitution.

Q: Which substitute offers the best supply chain availability?

A: The DS90LV031ATM/NOPB currently has the highest inventory level at 75,277 pieces. The FIN1031MX has 4,175 pieces available, while SN65LVDM31DR has 3,723 pieces and SN65LVDM31D has 2,100 pieces in stock.

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