Equivalent & Substitute Parts for 89HT0816PYBBCI8

Part Overview

The 89HT0816PYBBCI8 is a Signal Retimer Interface IC manufactured by Renesas Electronics Corporation, housed in a 196-CABGA (15x15) package. This specialized interface component is designed for signal retiming applications requiring I2C communication protocols. The product is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new design implementations.

Substiute Parts

89HT0816PYBBCI8

Renesas Electronics CorporationIn Stock: 74189HT0816PYBBCI8 Datasheet

Current PartRFQ

AD7569BRZ

Analog Devices Inc.In Stock: 1907AD7569BRZ Datasheet

MFR RecommendedRFQ

IS31IO7326-QFLS4-TR

Lumissil MicrosystemsIn Stock: 2326IS31IO7326-QFLS4-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 89HT0816PYBBCI8 is determined by the following critical parameters:

• Functional Category: Interface IC with specialized signal processing capability
• Interface Protocol: I2C communication support
• Mounting Technology: Surface mount configuration
• Application Domain: Signal retiming and interface management

The identified substitute parts maintain functional equivalence within the interface IC category and support I2C protocol requirements. However, substitutes differ in package form factor, voltage supply ranges, and moisture sensitivity specifications. Selection of an appropriate substitute requires alignment with the target application's physical constraints and environmental operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts are classified as active products with current manufacturing support, providing supply chain continuity advantages over the obsolete 89HT0816PYBBCI8.

AD7569BRZ (Analog Devices Inc.) offers superior moisture handling characteristics with MSL 1 rating and operates within a defined 4.75V to 5.25V supply range. This part is ROHS3 compliant and carries EAR99 ECCN classification. The 24-SOIC package represents a significant reduction in footprint compared to the original 196-BGA configuration.

IS31IO7326-QFLS4-TR (Lumissil Microsystems) provides the broadest supply voltage range (2.4V to 5.5V) and maintains I2C interface compatibility with the original part. This device is also ROHS3 compliant with EAR99 ECCN classification. The 24-QFN (4x4) package offers a compact surface mount solution with MSL 3 rating suitable for controlled manufacturing environments.

Selection between these alternatives depends on system voltage requirements, available PCB real estate, and environmental storage conditions during manufacturing and deployment.

Frequently Asked Questions (FAQ)

Q: Why is the 89HT0816PYBBCI8 no longer available? A: The 89HT0816PYBBCI8 is classified as an obsolete product. Renesas Electronics Corporation has discontinued manufacturing this component, making substitute parts necessary for system maintenance and new designs.

Q: What makes these parts functionally equivalent? A: Both substitute parts are classified as Interface ICs within the same functional category. The IS31IO7326-QFLS4-TR maintains I2C protocol compatibility with the original part, while the AD7569BRZ provides interface functionality through a Bus protocol configuration. Functional equivalence is determined by the ability to perform signal interface and management operations within the target application.

Q: How do package differences affect substitution? A: The original 89HT0816PYBBCI8 uses a 196-CABGA (15x15) package, while substitutes employ significantly smaller packages (24-SOIC and 24-QFN). This requires PCB redesign and layout modifications. Smaller packages reduce board space requirements but demand higher assembly precision and may affect thermal management characteristics.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences? A: MSL ratings indicate maximum exposure time to moisture before component degradation occurs. The original part specifies MSL 4 (72 hours), while AD7569BRZ offers MSL 1 (unlimited exposure) and IS31IO7326-QFLS4-TR provides MSL 3 (168 hours). Lower MSL values indicate superior moisture resistance and reduced risk during storage and manufacturing processes.

Q: Are both substitute parts RoHS compliant? A: Yes, both AD7569BRZ and IS31IO7326-QFLS4-TR are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and deployment.

Q: What voltage considerations apply to each substitute? A: AD7569BRZ operates within 4.75V to 5.25V, requiring precise voltage regulation. IS31IO7326-QFLS4-TR accommodates a broader range (2.4V to 5.5V), providing greater flexibility for systems with variable supply voltages. System design specifications must align with the selected substitute's voltage requirements.