FIN1048MX Equivalent & Substitute Parts

Part Overview

The FIN1048MX is an active LVDS receiver IC manufactured by onsemi, configured as a 0/4 receiver in a 16-SOIC surface mount package. This component is designed for low-voltage differential signaling applications requiring 400 Mbps data rate capability. The part is in active production status with RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits selection from alternative manufacturers while maintaining functional and electrical compatibility.

Substiute Parts

FIN1048MX

onsemiIn Stock: 3398FIN1048MX Datasheet

Current PartRFQ

SN65LVDS048AD

Texas InstrumentsIn Stock: 1135SN65LVDS048AD Datasheet

DirectRFQ

SN65LVDS048ADR

Texas InstrumentsIn Stock: 3081SN65LVDS048ADR Datasheet

DirectRFQ

SN65LVDS390D

Texas InstrumentsIn Stock: 2002SN65LVDS390D Datasheet

SimilarRFQ

SN65LVDT390D

Texas InstrumentsIn Stock: 1092SN65LVDT390D Datasheet

SimilarRFQ

SN75LVDS390D

Texas InstrumentsIn Stock: 1214SN75LVDS390D Datasheet

SimilarRFQ

SN75LVDT390D

Texas InstrumentsIn Stock: 913SN75LVDT390D Datasheet

SimilarRFQ

SN75LVDT390DR

Texas InstrumentsIn Stock: 2979SN75LVDT390DR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FIN1048MX is determined by the following critical parameters:

Mandatory 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
• RoHS Status: ROHS3 Compliant

Performance Consideration:

• Data Rate: 400 Mbps (primary specification); parts rated at 200 Mbps are functionally compatible but operate at reduced performance margin

Temperature Operating Range:

• Primary part: -40°C ~ 85°C
• Substitutes with -40°C ~ 85°C range are direct equivalents
• Substitutes with 0°C ~ 70°C range have a narrower operating window and are suitable only for applications within this reduced range

All substitute parts listed maintain identical electrical interface characteristics, package footprint, and supply voltage requirements, ensuring PCB-level compatibility without design modification.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (400 Mbps, -40°C ~ 85°C):

SN65LVDS048AD and SN65LVDS048ADR are direct functional equivalents to the FIN1048MX. Both parts maintain identical data rate performance and extended temperature operating range. Selection between these two should be based on packaging requirements: SN65LVDS048AD is supplied in Tube packaging, while SN65LVDS048ADR is supplied in Tape & Reel format. Both are manufactured by Texas Instruments and carry ROHS3 compliance with identical electrical specifications.

Performance-Reduced Alternatives (200 Mbps, -40°C ~ 85°C):

SN65LVDS390D and SN65LVDT390D operate at 200 Mbps, representing a 50% reduction in maximum data rate compared to the FIN1048MX. These parts maintain the full -40°C ~ 85°C operating temperature range and are suitable for applications where 200 Mbps performance is sufficient. Both are manufactured by Texas Instruments with ROHS3 compliance.

Limited Temperature Range Alternatives (200 Mbps, 0°C ~ 70°C):

SN75LVDS390D, SN75LVDT390D, and SN75LVDT390DR operate at 200 Mbps with a restricted operating temperature range of 0°C ~ 70°C. These parts are suitable only for applications that do not require extended low-temperature operation below 0°C or high-temperature operation above 70°C. SN75LVDT390DR is available in Tape & Reel packaging for high-volume applications.

All substitute parts maintain ROHS3 compliance and are in active production status.

Frequently Asked Questions (FAQ)

Q: Can SN65LVDS048AD directly replace FIN1048MX without PCB modification?

A: Yes. SN65LVDS048AD is a direct functional equivalent with identical package footprint (16-SOIC), pin configuration, supply voltage (3V ~ 3.6V), and operating temperature range (-40°C ~ 85°C). No PCB redesign is required.

Q: What is the difference between SN65LVDS048AD and SN65LVDS048ADR?

A: Both parts are electrically identical. The difference is packaging format: SN65LVDS048AD is supplied in Tube packaging, while SN65LVDS048ADR is supplied in Tape & Reel format. Selection depends on assembly process requirements and volume.

Q: Can I use SN65LVDS390D as a substitute for FIN1048MX?

A: SN65LVDS390D is functionally compatible but operates at 200 Mbps instead of 400 Mbps. It is suitable only if your application does not require the full 400 Mbps data rate capability. The operating temperature range (-40°C ~ 85°C) remains identical.

Q: What are the limitations of SN75LVDS390D compared to FIN1048MX?

A: SN75LVDS390D has two limitations: reduced data rate (200 Mbps versus 400 Mbps) and narrower operating temperature range (0°C ~ 70°C versus -40°C ~ 85°C). This part is unsuitable for applications requiring extended low-temperature operation or the full 400 Mbps performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, matching the compliance status of the FIN1048MX.

Q: Which substitute offers the best inventory availability?

A: SN65LVDS048ADR offers the highest inventory level at 3022 pieces, followed by the primary part FIN1048MX at 3329 pieces. For direct 400 Mbps equivalents, SN65LVDS048ADR provides the best availability in Tape & Reel format.