89HT0816PYABC Signal Retimer Interface Equivalent & Substitute Parts

Part Overview

The 89HT0816PYABC is a specialized signal retimer interface IC manufactured by Renesas Electronics Corporation, packaged in 196-CABGA (15x15) format. This component is classified as obsolete, indicating that direct procurement from original inventory may be limited or unavailable. The part operates as a signal retimer with I2C interface capability, designed for applications requiring signal conditioning and retiming functions. Due to its obsolete status, identifying functionally equivalent substitute parts is essential for design continuity and system maintenance.

Key Parameters

Parameter	Value
Manufacturer Part Number	89HT0816PYABC
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	I2C
Applications	Signal Retimer
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
ECCN	EAR99
HTSUS	8542.39.0001

Substitute Part Grouping Explanation

Substitution for the 89HT0816PYABC is determined by the following critical parameters:

Interface Type: I2C compatibility is a primary substitution criterion
Package Category: Surface mount BGA packages with comparable pin counts and footprints
Application Domain: Signal retiming, LVDS, Ethernet, and specialized interface functions
Product Status: Active status preferred for long-term availability and supply chain stability
RoHS Compliance: Modern substitutes are ROHS3 compliant, addressing environmental and regulatory requirements
Moisture Sensitivity: MSL 3 (168 Hours) is maintained across substitute selections
Electrical Interface: I2C, SMBus, Serial, or multi-protocol support

The substitute parts listed below are grouped by their primary application alignment and interface compatibility with the original 89HT0816PYABC signal retimer function.

Parameter Comparison

Parameter	89HT0816PYABC	LTC4305CDHD#TRPBF	PTN3460BS/F6Y	LMH0024MAE/NOPB	TCA8418RTWR	DS110RT410SQE/NOPB	ADP5589ACPZ-02-R7	STA2058EXTR	Z8523L16VSG	Z85C3016PSG
Manufacturer	Renesas Electronics	Analog Devices Inc.	NXP USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc.	STMicroelectronics	Zilog	Zilog
Category	Interface	Interface	Interface	Interface	Interface	Interface	Interface	Interface	Interface	Interface
Package / Case	196-BGA	16-WFDFN Exposed Pad	56-VFQFN Exposed Pad	16-SOIC (0.154", 3.90mm Width)	24-WFQFN Exposed Pad	48-WFQFN Exposed Pad	24-WFQFN Exposed Pad, CSP	144-LFBGA	44-LCC (J-Lead)	40-DIP (0.620", 15.75mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Through Hole
Interface	I2C	SMBus (2-Wire/I2C)	—	Serial	I2C, 2-Wire Serial	I2C	I2C	CAN, I2C, SPI, UART/USART, USB	Bus	Bus
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	2 (1 Year)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99	5A991B1	EAR99	5A991B1	EAR99	7A994	EAR99	EAR99
HTSUS	8542.39.0001	8542.39.0001	8542.39.0001	8542.39.0001	8542.39.0001	8542.39.0001	8542.39.0001	8543.70.9860	8542.31.0001	8542.31.0001

Engineering Selection Recommendations

Primary Substitutes for Signal Retiming Applications:

The LTC4305CDHD#TRPBF and PTN3460BS/F6Y represent the closest functional alignment to the 89HT0816PYABC. Both are active products with ROHS3 compliance, ensuring regulatory adherence and supply chain continuity. The LTC4305CDHD#TRPBF operates as a multiplexer with amplifier interface supporting SMBus (2-Wire/I2C) protocols, with voltage supply range of 2.2V to 5.5V. The PTN3460BS/F6Y functions as an LVDS interface in a 56-HVQFN package, operating at 3.3V supply voltage.

Secondary Substitutes for I2C-Compatible Applications:

The TCA8418RTWR and ADP5589ACPZ-02-R7 provide I2C interface compatibility with active product status and ROHS3 compliance. The TCA8418RTWR is designed for portable electronics applications with I2C and 2-Wire Serial interface support, operating at 1.65V to 3.6V. The ADP5589ACPZ-02-R7 supports keypad entries and I/O expansion with identical voltage range and MSL 3 rating.

Multi-Protocol Alternative:

The STA2058EXTR from STMicroelectronics offers expanded interface capability with CAN, I2C, SPI, UART/USART, and USB support in a 144-LFBGA package. This part maintains MSL 3 (168 Hours) and ROHS3 compliance, suitable for applications requiring multiple communication protocols.

Legacy Interface Options:

The Z8523L16VSG and Z85C3016PSG from Zilog provide bus interface functionality with active product status. The Z8523L16VSG operates at 3V to 3.6V in a 44-PLCC surface mount package, while the Z85C3016PSG operates at 4.5V to 5.5V in a 40-PDIP through-hole package, offering design flexibility for different PCB assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can the LTC4305CDHD#TRPBF directly replace the 89HT0816PYABC in existing designs?

A: The LTC4305CDHD#TRPBF shares I2C/SMBus interface compatibility and surface mount technology. However, the package differs significantly (16-DFN versus 196-BGA), requiring PCB redesign. Electrical characteristics must be evaluated for your specific application requirements.

Q: What is the primary reason for substituting the 89HT0816PYABC?

A: The 89HT0816PYABC is classified as obsolete, meaning original manufacturer inventory is depleted or no longer produced. Active substitute parts ensure long-term availability and supply chain reliability.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant, addressing environmental and regulatory requirements. The original 89HT0816PYABC is RoHS non-compliant, making modern substitutes preferable for new designs and regulatory compliance.

Q: Which substitute offers the closest package compatibility?

A: The STA2058EXTR in 144-LFBGA package provides the closest BGA footprint alignment, though still smaller than the original 196-CABGA (15x15). The PTN3460BS/F6Y in 56-HVQFN represents a mid-range surface mount option.

Q: What interface protocols are supported across the substitute parts?

A: Substitute parts support I2C, SMBus (2-Wire), Serial, LVDS, Ethernet, CAN, SPI, UART/USART, USB, and Bus interface protocols. Selection depends on your application's communication requirements.

Q: Are moisture sensitivity levels consistent across substitutes?

A: Moisture sensitivity varies. The original part specifies MSL 3 (168 Hours). Substitutes range from MSL 1 (Unlimited) to MSL 3 (168 Hours). MSL 1 parts offer superior moisture tolerance for storage and handling.

Q: Can I use the Z85C3016PSG as a substitute if my PCB supports through-hole components?

A: The Z85C3016PSG provides bus interface functionality with through-hole mounting. However, it operates at 4.5V to 5.5V supply voltage, which must align with your system power requirements. Verify interface protocol compatibility before selection.

Q: What voltage supply ranges are available across substitutes?

A: Voltage ranges vary: 1.65V–3.6V (TCA8418RTWR, ADP5589ACPZ-02-R7), 2.2V–5.5V (LTC4305CDHD#TRPBF), 2.375V–2.625V (DS110RT410SQE/NOPB), 3V–3.6V (STA2058EXTR, Z8523L16VSG), 3.3V (PTN3460BS/F6Y, LMH0024MAE/NOPB), and 4.5V–5.5V (Z85C3016PSG). Select based on your system voltage requirements.

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