Equivalent & Substitute Parts for 89HT0816PYABCG8

Part Overview

The 89HT0816PYABCG8 is a Signal Retimer Interface IC manufactured by Renesas Electronics Corporation, packaged in 196-CABGA (15x15) format. This specialized interface component is designed for signal retiming applications with I2C interface support. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	89HT0816PYABCG8
Manufacturer	Renesas Electronics Corporation
Category	Interface
Description	IC INTFACE SPECIALIZED 196CABGA
Package / Case	196-BGA
Supplier Device Package	196-CABGA (15x15)
Mounting Type	Surface Mount
Interface Type	I2C
Applications	Signal Retimer
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Obsolete
ECCN	EAR99
HTSUS	8542.39.0001

Substitute Part Grouping Explanation

Substitution for the 89HT0816PYABCG8 is determined by the following critical parameters:

Primary Substitution Criteria:

Category: Interface (specialized signal processing)
Interface Type: I2C or equivalent bus-level communication
Mounting Type: Surface Mount
Package compatibility: BGA or equivalent high-pin-count surface mount packages
Moisture Sensitivity Level: MSL 3 or lower (more stringent handling acceptable)
ECCN/HTSUS Classification: EAR99 / 8542.39.0001 or 8542.31.0001

Identified Substitute Parts: The following parts meet the core substitution criteria based on interface category, surface mount configuration, and bus-level communication capability:

Z8523008PEG (Zilog, 40-PDIP, Through Hole variant)
Z85C3008VSG (Zilog, 44-PLCC, Surface Mount)
Z8523008VSG (Zilog, 44-PLCC, Surface Mount)
Z8523010PSG (Zilog, 40-PDIP, Through Hole variant)
AD7569BQ (Analog Devices Inc., 24-CDIP, Through Hole)

Secondary interface alternatives with different package and mounting configurations are also available for applications where package constraints permit substitution.

Parameter Comparison

Parameter	89HT0816PYABCG8	Z8523008VSG	Z85C3008VSG	Z8523010PSG	Z8523008PEG	AD7569BQ
Manufacturer	Renesas Electronics	Zilog	Zilog	Zilog	Zilog	Analog Devices Inc.
Category	Interface	Interface	Interface	Interface	Interface	Interface
Package / Case	196-BGA	44-LCC (J-Lead)	44-LCC (J-Lead)	40-DIP	40-DIP	24-CDIP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Through Hole	Through Hole	Through Hole
Interface	I2C	Bus	Bus	Bus	Bus	Bus
Voltage - Supply	Not specified	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.75V ~ 5.25V
MSL	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
ECCN	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
HTSUS	8542.39.0001	8542.31.0001	8542.31.0001	8542.31.0001	8542.31.0001	8542.39.0001

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

Z8523008VSG and Z85C3008VSG are the preferred substitutes for the 89HT0816PYABCG8. Both are manufactured by Zilog, maintain active product status, carry ROHS3 compliance certification, and operate within the 4.5V to 5.5V supply range. The Z8523008VSG variant offers MSL 3 rating matching the original part's moisture sensitivity specification, while Z85C3008VSG provides identical electrical and interface characteristics. Both are packaged in 44-PLCC surface mount configuration.

Secondary Substitutes (Functional Equivalence):

Z8523010PSG provides functional interface equivalence with improved MSL 1 (Unlimited) moisture sensitivity rating and active product status. This part is suitable for applications where enhanced moisture tolerance is beneficial. Z8523008PEG offers similar characteristics in 40-PDIP through-hole packaging, providing design flexibility for legacy board layouts.

Alternative Interface Solutions:

AD7569BQ (Analog Devices Inc.) represents an alternative interface solution with ROHS3 compliance and active product status. This part operates within 4.75V to 5.25V supply range and provides bus-level interface capability. Selection of this alternative requires confirmation of functional compatibility with the original application requirements.

Compliance Considerations:

All recommended substitutes maintain EAR99 export classification and are ROHS3 compliant. The transition from HTSUS 8542.39.0001 (original) to 8542.31.0001 (Zilog substitutes) reflects classification differences based on specific interface functionality but does not impact regulatory compliance for standard commercial applications.

Frequently Asked Questions (FAQ)

Q: Why is the 89HT0816PYABCG8 marked as obsolete?

A: The 89HT0816PYABCG8 is classified as obsolete by Renesas Electronics Corporation. This designation indicates the manufacturer has discontinued production and support. Active substitutes must be identified for ongoing system maintenance and new procurement requirements.

Q: What are the key differences between Z8523008VSG and Z85C3008VSG?

A: Both parts are 44-PLCC surface mount interface ICs manufactured by Zilog with identical electrical specifications (4.5V to 5.5V supply, bus interface, MSL 3 rating). The primary difference is the base product number designation (Z8523008 versus Z85C3008), which reflects different product lines within Zilog's interface portfolio. Both are functionally equivalent for signal interface applications.

Q: Can I use a through-hole package substitute (Z8523008PEG or Z8523010PSG) in place of the 196-BGA surface mount original?

A: Through-hole packages require different PCB layout and assembly processes compared to BGA surface mount technology. While Z8523008PEG and Z8523010PSG provide functional interface equivalence, their use requires PCB redesign and assembly process modification. Surface mount alternatives (Z8523008VSG or Z85C3008VSG) are recommended to minimize design changes.

Q: What does MSL 3 (168 Hours) mean, and why does it matter?

A: Moisture Sensitivity Level (MSL) 3 indicates the component requires controlled humidity storage and has a 168-hour floor life after moisture exposure. This specification affects component handling, storage, and assembly procedures. Substitutes with MSL 1 (Unlimited) provide more relaxed handling requirements but are equally suitable for applications not requiring MSL 3 specifically.

Q: Are all recommended substitutes ROHS3 compliant?

A: Yes. All active substitute parts listed (Z8523008VSG, Z85C3008VSG, Z8523010PSG, Z8523008PEG, and AD7569BQ) carry ROHS3 compliance certification, meeting current environmental and hazardous substance restrictions for commercial electronics.

Q: What is the difference between HTSUS 8542.39.0001 and 8542.31.0001?

A: Both HTSUS codes fall within the same general classification for semiconductor devices (8542). The distinction between .39.0001 and .31.0001 reflects specific categorization of interface IC functionality. This difference does not impact regulatory compliance for standard commercial applications but may affect tariff classification in specific trade scenarios.

Q: Can I substitute AD7569BQ for the original 89HT0816PYABCG8?

A: AD7569BQ is functionally equivalent as an interface IC with active product status and ROHS3 compliance. However, it operates within a narrower supply voltage range (4.75V to 5.25V versus unspecified for the original) and uses 24-CDIP through-hole packaging. Substitution requires confirmation that the application's voltage requirements and PCB layout accommodate this alternative.

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