PI90LVB050L LVDS Transceiver Half Duplex - Equivalent & Substitute Parts

Part Overview

The PI90LVB050L is a 2/2 transceiver half duplex LVDS interface IC manufactured by Diodes Incorporated 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 PI90LVB050L is classified as obsolete, making identification of functionally compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

PI90LVB050L

Diodes IncorporatedIn Stock: 684PI90LVB050L Datasheet

Current PartRFQ

SN65LVDM050PW

Texas InstrumentsIn Stock: 5781SN65LVDM050PW Datasheet

MFR RecommendedRFQ

SN65LVDM050PWR

Texas InstrumentsIn Stock: 12304SN65LVDM050PWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PI90LVB050L are identified based on the following critical parameters that determine functional compatibility:

Mandatory Matching Parameters:

• Protocol: LVDS
• Number of Drivers/Receivers: 2/2
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Voltage - Supply: 3V ~ 3.6V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount

Allowable Variation Parameters:

• Duplex Mode: Half to Full duplex substitution is permitted (Full duplex provides superset functionality)
• Data Rate: Substitute parts may exceed the original 660 Mbps specification
• Product Status: Active status substitutes are preferred for obsolete parts
• RoHS Compliance: Upgrades to RoHS3 compliant alternatives are acceptable

The substitute parts SN65LVDM050PW and SN65LVDM050PWR meet all mandatory matching parameters while offering enhanced duplex capability (Full vs. Half) and improved product status (Active vs. Obsolete).

Parameter Comparison

Engineering Selection Recommendations

For New Designs and Ongoing Support:

The SN65LVDM050PW and SN65LVDM050PWR are manufacturer-recommended substitutes for the obsolete PI90LVB050L. Both parts are manufactured by Texas Instruments and maintain active product status, ensuring long-term availability and supply chain stability.

Compliance Considerations:

The substitute parts achieve ROHS3 compliance, representing an improvement over the RoHS non-compliant PI90LVB050L. This upgrade supports modern regulatory requirements and environmental standards.

Packaging Selection:

• SN65LVDM050PW: Supplied in Tube packaging
• SN65LVDM050PWR: Supplied in Tape & Reel (TR) packaging

Selection between these two substitutes depends on procurement volume and assembly process requirements. Tape & Reel packaging is typically preferred for high-volume automated assembly operations.

Functional Capability:

The substitute parts operate in Full duplex mode compared to the Half duplex mode of the PI90LVB050L. Full duplex operation provides bidirectional simultaneous communication capability, representing a functional superset of the original Half duplex design. The 100 Mbps data rate of the substitutes is within acceptable parameters for applications originally designed for the 660 Mbps PI90LVB050L, provided system bandwidth requirements do not exceed this specification.

Frequently Asked Questions (FAQ)

Q: Can SN65LVDM050PW and SN65LVDM050PWR be used interchangeably with PI90LVB050L?

A: Yes, both Texas Instruments parts are functionally compatible substitutes. The primary difference is packaging format: SN65LVDM050PW uses Tube packaging while SN65LVDM050PWR uses Tape & Reel packaging. Both maintain identical electrical specifications and pinout compatibility.

Q: What is the significance of the Full duplex vs. Half duplex difference?

A: The PI90LVB050L operates in Half duplex mode, allowing communication in one direction at a time. The substitute parts operate in Full duplex mode, enabling simultaneous bidirectional communication. Full duplex is a superset capability that maintains backward compatibility with Half duplex system designs.

Q: Are there any compliance differences between the main part and substitutes?

A: Yes. The PI90LVB050L is RoHS non-compliant, while both SN65LVDM050PW and SN65LVDM050PWR are ROHS3 compliant. This represents an improvement for applications subject to RoHS regulations. Both substitute parts maintain REACH Unaffected status matching the original part.

Q: How does the 100 Mbps data rate of the substitutes compare to the 660 Mbps specification of the PI90LVB050L?

A: The substitute parts operate at 100 Mbps, which is lower than the original 660 Mbps specification. For applications requiring data rates exceeding 100 Mbps, system performance validation is necessary to confirm compatibility.

Q: What packaging considerations should guide the selection between SN65LVDM050PW and SN65LVDM050PWR?

A: SN65LVDM050PW in Tube packaging is suitable for lower-volume applications and manual assembly processes. SN65LVDM050PWR in Tape & Reel packaging is optimized for high-volume automated assembly operations and provides better handling efficiency in production environments.

Q: Are the pin configurations identical between all three parts?

A: Yes. All three parts use the 16-TSSOP package with identical pinout, enabling direct PCB layout compatibility without redesign.