FIN1048M LVDS Receiver Equivalent & Substitute Parts

Part Overview

The FIN1048M is a 0/4 LVDS receiver interface IC manufactured by onsemi in a 16-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The FIN1048M 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 substitutes ensures design flexibility and supply chain resilience for applications requiring LVDS receiver functionality.

Key Parameters

Parameter	FIN1048M Specification
Manufacturer	onsemi
Product Status	Obsolete
Type	Receiver
Protocol	LVDS
Number of Drivers/Receivers	0/4
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)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the FIN1048M is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: LVDS
Number of Drivers/Receivers: 0/4
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Voltage - Supply: 3V ~ 3.6V
Operating Temperature: -40°C ~ 85°C (minimum requirement)
Data Rate: 400 Mbps (minimum requirement)

Substitute parts are grouped into two categories based on data rate capability:

Category A - Full Rate Substitutes (400 Mbps): Parts meeting all critical parameters including the 400 Mbps data rate specification. These provide direct functional equivalence.

Category B - Reduced Rate Substitutes (200 Mbps): Parts meeting all critical parameters except data rate, which is specified at 200 Mbps. These are suitable only for applications with data rate requirements at or below 200 Mbps.

Temperature Consideration: Parts with operating temperature range 0°C ~ 70°C do not meet the -40°C ~ 85°C requirement and are listed for reference only; they are not suitable substitutes for industrial temperature applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Data Rate	Operating Temperature	Package	RoHS Status	Inventory
FIN1048M	onsemi	Obsolete	400 Mbps	-40°C ~ 85°C	16-SOIC	Not Specified	2100 Pcs
FIN1048MX	onsemi	Active	400 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	3329 Pcs
DS90LV048ATM/NOPB	National Semiconductor	Active	400 Mbps	-40°C ~ 85°C	16-SOIC	Not Specified	6107 Pcs
DS90LV048ATMX/NOPB	Texas Instruments	Active	400 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	1285 Pcs
SN65LVDS048AD	Texas Instruments	Active	400 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	1115 Pcs
SN65LVDS048ADR	Texas Instruments	Active	400 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	3022 Pcs
SN65LVDS390D	Texas Instruments	Active	200 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	1900 Pcs
SN65LVDS390DR	Texas Instruments	Active	200 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	4102 Pcs
SN65LVDT390D	Texas Instruments	Active	200 Mbps	-40°C ~ 85°C	16-SOIC	ROHS3 Compliant	1070 Pcs
SN75LVDS390D	Texas Instruments	Active	200 Mbps	0°C ~ 70°C	16-SOIC	ROHS3 Compliant	1143 Pcs
SN75LVDS390DR	Texas Instruments	Active	200 Mbps	0°C ~ 70°C	16-SOIC	ROHS3 Compliant	975 Pcs

Engineering Selection Recommendations

Primary Substitutes (Full Compatibility):

FIN1048MX, DS90LV048ATM/NOPB, DS90LV048ATMX/NOPB, SN65LVDS048AD, and SN65LVDS048ADR are direct functional equivalents meeting all electrical and mechanical parameters of the FIN1048M. All substitute parts except DS90LV048ATM/NOPB carry ROHS3 compliance certification. FIN1048MX maintains onsemi manufacturer continuity with active product status and higher inventory availability. DS90LV048ATMX/NOPB and SN65LVDS048ADR offer the highest inventory levels among active substitutes.

Secondary Substitutes (Reduced Data Rate):

SN65LVDS390D, SN65LVDS390DR, and SN65LVDS390D are suitable only for applications with maximum data rate requirements of 200 Mbps or lower. These parts maintain full compliance with the -40°C to 85°C industrial temperature range and ROHS3 certification. SN65LVDS390DR provides the highest inventory availability in this category.

Not Recommended:

SN75LVDS390D and SN75LVDS390DR do not meet the -40°C to 85°C operating temperature requirement, supporting only 0°C to 70°C. These parts are unsuitable for industrial temperature applications requiring the FIN1048M specification.

Frequently Asked Questions (FAQ)

Q: Can I use a 200 Mbps substitute part in a 400 Mbps application?

A: No. The SN65LVDS390D, SN65LVDS390DR, and SN65LVDT390D are rated for 200 Mbps maximum data rate. Using these parts in applications requiring 400 Mbps operation will result in functional failure. Use only parts rated for 400 Mbps: FIN1048MX, DS90LV048ATM/NOPB, DS90LV048ATMX/NOPB, SN65LVDS048AD, or SN65LVDS048ADR.

Q: Are all substitute parts ROHS3 compliant?

A: No. DS90LV048ATM/NOPB does not specify RoHS status. All other listed substitutes carry ROHS3 compliance certification. Verify RoHS requirements for your application before selection.

Q: What is the difference between SN65LVDS048AD and SN65LVDS048ADR?

A: Both parts are electrically identical with 400 Mbps data rate and -40°C to 85°C operating temperature. The primary difference is packaging: SN65LVDS048AD is supplied in Tube packaging, while SN65LVDS048ADR is supplied in Tape & Reel (TR) format. Select based on your procurement and assembly process requirements.

Q: Can I use SN75LVDS390D in place of FIN1048M?

A: No. SN75LVDS390D operates only at 0°C to 70°C, which does not meet the -40°C to 85°C industrial temperature specification of the FIN1048M. This part is unsuitable for applications requiring the full industrial temperature range.

Q: Why is FIN1048M marked as obsolete?

A: FIN1048M is an obsolete product from onsemi. The active equivalent is FIN1048MX, which maintains identical electrical specifications and packaging while offering current product support and availability.

Q: What packaging options are available for 400 Mbps substitutes?

A: FIN1048MX is available in Cut Tape (CT) & Digi-Reel format. DS90LV048ATMX/NOPB is available in Cut Tape (CT) & Digi-Reel format. SN65LVDS048AD is available in Tube packaging. SN65LVDS048ADR is available in standard packaging. DS90LV048ATM/NOPB packaging is not specified. Select based on your assembly requirements.

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