Renesas 89HT0816PYABC8

Overview

89HT0816PYABC8 from Integrated Device Technology (IDT) is an 8-lane PCIe 3.0 retimer evaluation board designed for in-system validation of the 89HT0816P retimer IC. It supports 8.0 Gbps per lane, features on-board USB-to-I2C translation, EEPROM-based auto-configuration, and JTAG interface for full register-level control.

For engineers reviewing the 89HT0816PYABC8 datasheet, 89HT0816PYABC8 pinout, 89HT0816PYABC8 application, or 89HT0816PYABC8 equivalent, this board enables rapid PCIe 3.0 signal integrity testing-including equalization tuning, on-die scope analysis, and channel-specific parameter optimization-using Windows GUI tools and passive trace extension cards.

Technical Context

The 89HT0816PYABC8 implements a full PCIe 3.0 protocol-compliant retiming path across eight lanes, with independent receiver equalization and transmitter de-emphasis control per lane. It integrates a dedicated USB-to-I2C bridge and I2C slave/master ports for dual-mode configuration access.

On-board EEPROM stores default configuration data for automatic download to the 89HT0816P retimer IC at power-up. The board supports both host-side and endpoint-side PCIe slot insertion and accommodates variable-length FR4 passive trace cards (6", 12", 24") to emulate real-world interconnect loss and jitter accumulation.

Key Specifications

Availability

89HT0816PYABC8 is available at Aetrix Electronics and suitable for PCIe 3.0 system validation, high-speed interconnect prototyping, and signal integrity lab testing requiring stable component supply and traceable sourcing.

Supply support for 89HT0816PYABC8 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Integrated Device Technology (IDT), now part of Renesas Electronics, designs high-performance analog, digital, and mixed-signal semiconductor solutions for timing, memory interface, RF, and connectivity applications.

The 89HT0816PYABC8 belongs to IDT's PCIe retimer evaluation platform family, developed specifically to accelerate PCIe 3.0 system integration, reduce signal integrity risk, and enable early-stage channel characterization in server, storage, and accelerator subsystems.

FAQ

What is the primary function of the 89HT0816PYABC8 evaluation board?

The 89HT0816PYABC8 evaluation board is a hardware platform for validating the 89HT0816P PCIe 3.0 retimer IC in real system environments. It provides full 8-lane retiming capability, USB/I2C/JTAG configuration interfaces, and support for passive trace extension cards to emulate long-channel signal degradation. Engineers use the 89HT0816PYABC8 to verify equalization tuning, jitter cleanup, and link training behavior before final PCB layout.

Does the 89HT0816PYABC8 require a PCIe 3.0 host system to operate?

No-the 89HT0816PYABC8 operates with PCIe 2.0 or 3.0 hosts, but full 8.0 Gbps performance and PCIe 3.0 protocol compliance verification require a PCIe 3.0-capable host slot. The board trains to active lane count based on the connected endpoint device and supports x1 through x16 physical slots regardless of host generation.

How is configuration performed on the 89HT0816PYABC8?

Configuration of the 89HT0816PYABC8 is performed via IDT's Windows-based Retimer Configuration Utility using either the on-board USB-to-I2C bridge or an external I2C adapter. The board's EEPROM enables automatic loading of default settings at power-on, while JTAG provides low-level register access for advanced debugging of the 89HT0816P retimer IC.

Can the 89HT0816PYABC8 be used with non-IDT PCIe endpoints?

Yes-the 89HT0816PYABC8 is protocol-agnostic and interoperable with any standard-compliant PCIe endpoint, including SATA controllers, Ethernet NICs, USB 3.0 add-in cards, and SAS RAID adapters. Its design follows PCIe Base Spec Rev 3.0, ensuring compatibility across vendor implementations without requiring firmware or driver modifications.

What passive trace cards are compatible with the 89HT0816PYABC8?

IDT offers matching passive trace extension cards in 6", 12", and 24" lengths for use with the 89HT0816PYABC8 to emulate FR4 channel loss and jitter. These cards plug between the evaluation board and target endpoint or host, enabling controlled signal integrity testing under realistic interconnect conditions without custom PCB fabrication.