Montage's M88RT61632 is a high-performance 16-lane PCIe® 6.x/CXL® 3.x Retimer that complies with PCIe® 6.x and CXL® 3.x specifications. The chip delivers data rates up to 64GT/s and supports mainstream package requirements. Powered by the company’s proprietary PAM4 SerDes IP, the chip achieves superior signal integrity with 36 dB link budget while maintaining low latency, enabling enhanced connectivity performance for demanding high-bandwidth applications such as AI and cloud computing.
Feature
- High-performance 16-Lane PCIe® 6.x/CXL® 3.x Retimer
- Proprietary 64 GT/s PAM4 SerDes IP, capable of compensating for channel loss of 36 dB
- Per-lane SerDes configuration (de-emphasis, Rx EQ)
- Support MPS (Multiple Preset Subset) for enhanced link training
- Support PCIe® L0P and L1PM
- Low power and low latency
- Support mainstream package requirements
- Clocking
- PCIe® 6.x standard 100MHz reference clock input
- Support Common Clock, SRNS and SRIS
- HCSL reference clock output
- Reliability, Availability and Serviceability
- Flexible link bifurcation from 1 x16, 2 x8, 4 x4, and up to 8 x2 lanes per link
- All lanes can operate at 64 GT/s, 32 GT/s, 16 GT/s, 8 GT/s, 5 GT/s and 2.5 GT/s data rates
- Management interface with SMBus/I3C protocol support
- Firmware load through SPI Flash or EEPROM
- User-friendly visual GUI tools and SDK software
Typical Applications
- GPU/AI accelerator
- PCIe Riser and AIC card connectivity
- General purpose server CPU connectivity