89HT0816PZABCGI8 Signal Retimer Interface Equivalent & Substitute Parts

Part Overview

The 89HT0816PZABCGI8 is a specialized signal retimer interface IC manufactured by Renesas Electronics Corporation in a 196-CABGA (15x15) package. This component is classified as obsolete, indicating it is no longer in active production. Given its obsolete status, identifying functionally equivalent substitute parts is essential for ongoing system maintenance, legacy design support, and production continuity. The substitute parts listed below maintain compatibility based on shared electrical characteristics, interface protocols, and packaging form factors suitable for surface mount applications.

Substiute Parts

89HT0816PZABCGI8

Renesas Electronics CorporationIn Stock: 94489HT0816PZABCGI8 Datasheet

Current PartRFQ

ADN8102ACPZ-R7

Analog Devices Inc.In Stock: 1236ADN8102ACPZ-R7 Datasheet

MFR RecommendedRFQ

BU6521KV-E2

Rohm SemiconductorIn Stock: 2440BU6521KV-E2 Datasheet

MFR RecommendedRFQ

BU7963GUW-E2

ROHM SemiconductorIn Stock: 936BU7963GUW-E2 Datasheet

MFR RecommendedRFQ

LTC4306IGN#TRPBF

Analog Devices Inc.In Stock: 1537LTC4306IGN#TRPBF Datasheet

MFR RecommendedRFQ

MAX7347AEE+T

Analog Devices Inc./Maxim IntegratedIn Stock: 2436MAX7347AEE+T Datasheet

MFR RecommendedRFQ

MAX7359ETG+

Analog Devices Inc./Maxim IntegratedIn Stock: 2214MAX7359ETG+ Datasheet

MFR RecommendedRFQ

PI3HDX1204EZLEX

Diodes IncorporatedIn Stock: 2851PI3HDX1204EZLEX Datasheet

MFR RecommendedRFQ

PI3HDX511DZLE+DAX

Diodes IncorporatedIn Stock: 1059PI3HDX511DZLE+DAX Datasheet

MFR RecommendedRFQ

Z8523316ASG

ZilogIn Stock: 945Z8523316ASG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 89HT0816PZABCGI8 is determined by the following key parameters:

• Category: Interface IC
• Interface Protocol: I2C compatibility
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: MSL 3 (168 Hours) or better
• Compliance Standards: ROHS3 Compliant, REACH Unaffected, EAR99 classification
• Product Status: Active or Last Time Buy (preferred over Obsolete)

The substitute parts listed below meet these criteria and are suitable for signal retiming and interface applications. Each substitute maintains I2C interface compatibility and surface mount capability, with active or supported product status ensuring ongoing availability and technical support.

Parameter Comparison

Engineering Selection Recommendations

When selecting a substitute for the obsolete 89HT0816PZABCGI8, prioritize parts with the following characteristics:

Active Product Status: MAX7359ETG+, LTC4306IGN#TRPBF, MAX7347AEE+T, BU6521KV-E2, ADN8102ACPZ-R7, PI3HDX1204EZLEX, and PI3HDX511DZLE+DAX all maintain active product status, ensuring continued availability, technical support, and manufacturing consistency.

I2C Interface Compatibility: MAX7359ETG+, LTC4306IGN#TRPBF, MAX7347AEE+T, and ADN8102ACPZ-R7 explicitly support I2C or SMBus (2-Wire/I2C) protocols, directly matching the original part's interface specification.

ROHS3 Compliance: All listed substitutes are ROHS3 compliant and REACH unaffected, meeting modern environmental and regulatory requirements.

Moisture Sensitivity: Parts with MSL 1 (Unlimited) offer superior moisture handling compared to the original MSL 3 specification, reducing risk in storage and assembly environments.

Package Considerations: Substitutes are available in multiple package options (TQFN, SSOP, LQFP, VFQFN, BGA) to accommodate different PCB layout requirements and thermal management needs.

Frequently Asked Questions (FAQ)

Q: Why is the 89HT0816PZABCGI8 listed as obsolete?

A: The 89HT0816PZABCGI8 is no longer manufactured by Renesas Electronics Corporation. Obsolete status indicates end-of-life production. Substitute parts with active product status provide continuity for legacy designs and ongoing production requirements.

Q: What makes a part a valid substitute for the 89HT0816PZABCGI8?

A: Valid substitutes must share the Interface category, support I2C or compatible protocols, use surface mount technology, maintain MSL 3 or better moisture sensitivity ratings, and comply with ROHS3 and REACH standards. Product status should be Active or Last Time Buy rather than Obsolete.

Q: Can I use MAX7359ETG+ as a direct replacement?

A: MAX7359ETG+ is functionally compatible based on Interface category, I2C protocol support, and surface mount capability. However, it uses a 24-TQFN package versus the original 196-CABGA, requiring PCB layout redesign. Electrical specifications must be verified for your specific application.

Q: What is the difference between I2C and SMBus interfaces?

A: SMBus (System Management Bus) is a subset of I2C with stricter timing and protocol specifications. Parts supporting SMBus (2-Wire/I2C), such as LTC4306IGN#TRPBF, are backward compatible with I2C applications.

Q: Should I avoid parts with "Not For New Designs" status?

A: Parts marked "Not For New Designs," such as BU7963GUW-E2, are suitable for legacy system maintenance and production continuity but should not be selected for new product development. Active status parts are preferred for new designs.

Q: What does MSL 1 (Unlimited) mean compared to MSL 3 (168 Hours)?

A: MSL 1 (Unlimited) indicates the component can be stored indefinitely without moisture absorption concerns. MSL 3 (168 Hours) requires controlled storage and limits shelf life to 168 hours after moisture exposure. MSL 1 parts offer superior handling flexibility.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic components in most jurisdictions.

Q: How do package differences affect substitution?

A: Package differences require PCB layout modifications, including trace routing, via placement, and thermal management adjustments. Smaller packages (TQFN, SSOP) may reduce board space but require careful signal integrity design. Larger packages (BGA, LQFP) offer more routing flexibility but increase footprint size.