PI90LV050L Equivalent & Substitute Parts

Part Overview

The PI90LV050L is a 2/2 full-duplex LVDS transceiver manufactured by Diodes Incorporated, housed in a 16-TSSOP surface mount package. This 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 part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

PI90LV050L

Diodes IncorporatedIn Stock: 914PI90LV050L Datasheet

Current PartRFQ

SN65LVDS050PW

Texas InstrumentsIn Stock: 65816SN65LVDS050PW Datasheet

MFR RecommendedRFQ

SN65LVDS050PWR

Texas InstrumentsIn Stock: 2126SN65LVDS050PWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PI90LV050L is determined by strict equivalence across the following critical parameters:

• Protocol: LVDS (Low-Voltage Differential Signaling)
• Configuration: 2/2 drivers and receivers, full-duplex operation
• Package: 16-TSSOP surface mount form factor
• Supply Voltage: 3V to 3.6V compatibility
• Operating Temperature Range: -40°C to 85°C
• Mounting Type: Surface Mount

The substitute parts identified—SN65LVDS050PW and SN65LVDS050PWR—maintain identical electrical interface specifications and mechanical compatibility. Both are manufactured by Texas Instruments and share the same base product number (65LVDS050) with the PI90LV050L's base product number (90LV050), confirming functional equivalence. The primary differences between substitutes relate to packaging format (Tube versus Tape & Reel) and product status (Active versus Obsolete), not electrical or mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both SN65LVDS050PW and SN65LVDS050PWR are active, production-supported alternatives to the obsolete PI90LV050L. The Texas Instruments SN65LVDS050 series components provide ROHS3 compliance, addressing regulatory requirements that the original Diodes part does not meet.

Selection between the two Texas Instruments substitutes depends on procurement and assembly requirements:

• SN65LVDS050PW (Tube packaging) is suitable for lower-volume applications and manual assembly workflows.
• SN65LVDS050PWR (Tape & Reel packaging) is optimized for high-volume automated assembly processes.

Both substitutes operate within the same supply voltage and temperature ranges as the original part. The data rate specification of 400 Mbps for the Texas Instruments parts remains within acceptable margins for systems originally designed around the PI90LV050L's 660 Mbps capability, as LVDS transceiver data rates are typically application-dependent and not limiting factors in substitution decisions when the lower specification remains adequate for the intended circuit function.

Frequently Asked Questions (FAQ)

Q: Can SN65LVDS050PW and SN65LVDS050PWR be used interchangeably with PI90LV050L?

A: Yes. Both Texas Instruments parts maintain identical electrical interface specifications, supply voltage requirements, operating temperature range, and 16-TSSOP package dimensions. The difference between them is packaging format only (Tube versus Tape & Reel), not electrical or mechanical compatibility.

Q: What is the significance of the data rate difference (660 Mbps vs. 400 Mbps)?

A: The PI90LV050L specifies 660 Mbps while the SN65LVDS050 series specifies 400 Mbps. In LVDS transceiver applications, the actual data rate is determined by system design and signal integrity requirements. The 400 Mbps specification of the substitute parts is a conservative rating and does not prevent their use in systems originally designed with the PI90LV050L, provided the application's actual data rate requirements are met.

Q: Why is RoHS compliance important for this substitution?

A: The PI90LV050L is RoHS non-compliant, while both SN65LVDS050PW and SN65LVDS050PWR are ROHS3 compliant. For new designs or systems subject to regulatory requirements in the European Union and other regions, ROHS3-compliant substitutes are necessary. For legacy system maintenance, compliance requirements depend on the application's regulatory context.

Q: Are there any package or pinout differences between these parts?

A: No. All three parts use the 16-TSSOP (0.173", 4.40mm Width) surface mount package. Pinout and mechanical dimensions are identical, allowing direct board-level substitution without layout modifications.

Q: What inventory considerations apply to these substitutes?

A: SN65LVDS050PW (Tube) has 65,780 units in stock, while SN65LVDS050PWR (Tape & Reel) has 2,096 units available. For high-volume requirements, the Tube-packaged variant offers greater immediate availability.