Renesas 89HT0816PYABCI

Overview

89HT0816PYABCI from IDT is an 8-lane, 8.0 Gbps PCIe 3.0 retimer evaluation board designed for in-system signal integrity validation. It integrates the 89HT0816P retimer IC, supports full PCIe 3.0 protocol, enables per-lane equalization tuning via USB/I²C, and includes on-board USB-to-I²C translation for GUI-based configuration.

For engineers reviewing the 89HT0816PYABCI datasheet, 89HT0816PYABCI pinout, 89HT0816PYABCI application, or 89HT0816PYABCI equivalent, this board delivers rapid PCIe 3.0 channel extension testing with passive trace emulation, JTAG debug access, and real-time scope function support through IDT's Windows GUI tool.

Technical Context

The 89HT0816PYABCI board implements a single 89HT0816P retimer IC operating across eight PCIe 3.0 lanes at 8.0 Gbps per lane. It features dual I²C interfaces (master/slave), JTAG boundary-scan capability, and EEPROM-stored configuration for automatic retimer initialization at power-up.

It supports configurable receiver equalization presets, transmitter output swing control, and on-die scope functionality accessible via GUI. The board uses a non-standard 7.5" × 4.75" form factor requiring open-chassis installation and accommodates passive FR4 trace cards (6", 12", 24") to emulate system-level interconnect loss.

Key Specifications

Availability

89HT0816PYABCI is available at Aetrix Electronics and suitable for PCIe 3.0 system validation, high-speed interconnect debugging, and FR4 trace extension prototyping requiring stable component supply and full evaluation toolchain support.

Supply support for 89HT0816PYABCI 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) is a fabless semiconductor company specializing in high-performance interface, memory, timing, and RF solutions for data center, communications, and enterprise computing systems.

The 89HT0816PYABCI belongs to IDT's PCIe retimer evaluation platform family, engineered specifically to accelerate PCIe 3.0 signal integrity verification, channel margining, and system-level interoperability testing in server and storage applications.

FAQ

What is the primary function of the 89HT0816PYABCI evaluation board?

The 89HT0816PYABCI evaluation board hosts the 89HT0816P retimer IC to validate PCIe 3.0 signal integrity in real system environments. It enables extension of 8.0 Gbps signals across long FR4 traces using passive cards, supports per-lane equalization tuning, and provides real-time eye monitoring via IDT's GUI - all critical for verifying host-to-endpoint link robustness before final PCB spin.

Does the 89HT0816PYABCI support PCIe 4.0 or higher speeds?

No. The 89HT0816PYABCI is strictly designed for PCIe 3.0 operation at 8.0 Gbps per lane. Its underlying 89HT0816P retimer IC does not support PCIe 4.0 (16 GT/s) signaling or associated electrical specifications. For PCIe 4.0 evaluation, IDT offers separate platforms such as the 89HPESx series boards.

Can the 89HT0816PYABCI be used without the IDT Windows GUI tool?

Yes - while the GUI simplifies configuration, the 89HT0816PYABCI supports direct I²C and JTAG access. Engineers can implement custom scripts or use third-party I²C masters to configure registers, read status, or trigger diagnostics. However, on-die scope functionality and automated EQ optimization require the official IDT GUI software included on the supplied CD.

What passive trace cards are compatible with the 89HT0816PYABCI?

IDT explicitly qualifies 6-inch, 12-inch, and 24-inch passive FR4 trace cards for use with the 89HT0816PYABCI. These cards emulate controlled-loss interconnects between the board and endpoint devices (e.g., SAS controllers or NVMe add-in cards). Their impedance-matched layout ensures repeatable signal degradation for margin testing - no other lengths or materials are validated for this board.

Is the 89HT0816PYABCI RoHS compliant and lead-free?

Yes. The 89HT0816PYABCI evaluation board complies with RoHS Directive 2011/65/EU and is manufactured with lead-free solder and halogen-free laminates. Full compliance documentation, including material declarations and test reports, is provided in the 89HT0816P Evaluation Board User's Guide shipped with the 89HT0816PYABCI kit.