SN75DP128RTQT Equivalent & Substitute Parts

Part Overview

The SN75DP128RTQT is a specialized interface IC manufactured by Texas Instruments, designed for display, monitor, and TV applications. This component operates as an I2C interface device in a 56-QFN (8x8) surface mount package. The part is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent substitute parts is necessary to ensure design continuity and maintain supply chain reliability for ongoing production requirements.

Substiute Parts

SN75DP128RTQT

Texas InstrumentsIn Stock: 1170SN75DP128RTQT Datasheet

Current PartRFQ

SN75DP128ARTQT

Texas InstrumentsIn Stock: 1294SN75DP128ARTQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SN75DP128RTQT is determined by strict equivalence across the following critical parameters:

• Base product number (75DP128) ensures functional and electrical equivalence
• Interface specification (I2C) maintains protocol compatibility
• Voltage supply range (4.5V ~ 5.25V) ensures operational compatibility
• Package type (56-VFQFN Exposed Pad / 56-QFN 8x8) guarantees mechanical and thermal compatibility
• Surface mount mounting type ensures PCB assembly compatibility
• RoHS3 compliance and REACH unaffected status maintain regulatory alignment

The SN75DP128ARTQT qualifies as a direct substitute based on matching all critical parameters while offering Active product status, providing improved supply chain availability compared to the Last Time Buy status of the original part.

Parameter Comparison

Engineering Selection Recommendations

The SN75DP128ARTQT is the qualified substitute for the SN75DP128RTQT. Both parts share identical electrical specifications, package geometry, and regulatory compliance certifications. The primary distinction is product lifecycle status: the SN75DP128ARTQT maintains Active status, ensuring continued manufacturing availability and supply chain stability. For new designs or production continuity planning, the SN75DP128ARTQT is the appropriate selection. Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for display, monitor, and TV interface applications.

Frequently Asked Questions (FAQ)

Q: Can the SN75DP128ARTQT be used as a direct replacement for the SN75DP128RTQT?

A: Yes. Both parts share identical base product numbers, I2C interface specifications, voltage supply ranges (4.5V ~ 5.25V), and 56-QFN (8x8) package configurations. No circuit modifications or PCB layout changes are required.

Q: What is the significance of the product status difference?

A: The SN75DP128RTQT is in Last Time Buy status, indicating end-of-life production with limited availability. The SN75DP128ARTQT is Active, ensuring ongoing manufacturing and reliable supply for current and future production runs.

Q: Are there any differences in moisture sensitivity or handling requirements?

A: No. Both parts have identical Moisture Sensitivity Level (MSL) ratings of 3 (168 Hours), requiring identical storage and handling procedures.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting identical environmental and regulatory standards.

Q: Is the 56-QFN (8x8) package identical between both parts?

A: Yes. Both parts use the 56-VFQFN Exposed Pad package with identical mechanical and thermal characteristics, ensuring compatibility with existing PCB designs and assembly processes.