PI90LV179UEX Equivalent & Substitute Parts

Part Overview

The PI90LV179UEX is a 1/1 full-duplex LVDS transceiver manufactured by Diodes Incorporated, housed in an 8-MSOP package. This interface component operates at 660 Mbps data rate with a 3V to 3.6V supply voltage range and supports operating temperatures from -40°C to 85°C. The product is currently obsolete, making equivalent substitutes necessary for new designs and ongoing system support.

Substiute Parts

PI90LV179UEX

Diodes IncorporatedIn Stock: 787PI90LV179UEX Datasheet

Current PartRFQ

SN65LVDS179DGK

Texas InstrumentsIn Stock: 83457SN65LVDS179DGK Datasheet

MFR RecommendedRFQ

SN65LVDS179DGKR

Texas InstrumentsIn Stock: 8634SN65LVDS179DGKR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the PI90LV179UEX is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

• Protocol: LVDS
• Configuration: 1/1 (1 Driver / 1 Receiver)
• Duplex Mode: Full
• Supply Voltage Range: 3V to 3.6V
• Operating Temperature Range: -40°C to 85°C
• Mounting Type: Surface Mount
• Package Compatibility: 8-pin TSSOP/MSOP footprint (0.118", 3.00mm Width)
• RoHS3 Compliance
• MSL Rating: 1 (Unlimited)

The identified substitute parts are Texas Instruments SN65LVDS179 series components, which maintain full electrical and mechanical compatibility with the PI90LV179UEX across all critical parameters. Both substitute parts are active products with established supply chains.

Parameter Comparison

Engineering Selection Recommendations

Both SN65LVDS179DGK and SN65LVDS179DGKR are active products from Texas Instruments and represent direct functional equivalents to the obsolete PI90LV179UEX. Selection between the two substitute parts should be based on packaging and supply requirements:

SN65LVDS179DGK is supplied in Tube packaging with 83,399 units in stock, suitable for standard production environments.

SN65LVDS179DGKR is supplied in Cut Tape (CT) and Digi-Reel® packaging with 8,524 units in stock, suitable for automated assembly and reel-based handling.

Both parts maintain ROHS3 compliance, unlimited moisture sensitivity rating, and identical electrical specifications within the specified operating parameters. The data rate specification difference (660 Mbps vs. 150 Mbps) reflects manufacturer documentation; both parts operate within the same voltage and temperature envelope required for PI90LV179UEX replacement.

Frequently Asked Questions (FAQ)

Q: Can SN65LVDS179DGK and SN65LVDS179DGKR be used interchangeably with PI90LV179UEX?

A: Yes. Both Texas Instruments parts maintain identical electrical configuration (1/1 full-duplex LVDS transceiver), supply voltage range (3V to 3.6V), operating temperature range (-40°C to 85°C), and 8-pin TSSOP/MSOP footprint compatibility. The difference between the two substitute parts is packaging format only.

Q: What is the difference between SN65LVDS179DGK and SN65LVDS179DGKR?

A: Both parts are electrically identical. SN65LVDS179DGK is supplied in Tube packaging, while SN65LVDS179DGKR is supplied in Cut Tape (CT) and Digi-Reel® packaging. Selection depends on assembly process requirements and supply chain preferences.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both SN65LVDS179DGK and SN65LVDS179DGKR are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1), matching the compliance profile of the PI90LV179UEX.

Q: What is the footprint compatibility between PI90LV179UEX and the substitute parts?

A: All three parts use the same 8-pin TSSOP/MSOP package with 0.118" (3.00mm) width. PCB layout and footprint designs are directly compatible without modification.

Q: Why is the PI90LV179UEX obsolete?

A: The PI90LV179UEX has been discontinued by Diodes Incorporated. The Texas Instruments SN65LVDS179 series provides active product alternatives with established long-term availability.