9ZML1232BKLFT

Overview

The 9ZML1232BKLFT is a clock buffer from the Renesas 9ZML1232E series, designed as a derivative of the DB1200ZL. It features two differential HCSL inputs and twelve LP-HCSL outputs, supporting frequencies up to 150 MHz. The device operates on a single 3.3V supply with a typical power consumption of 482 mW. Packaged in a 72-lead VFQFPN (10.0 x 10.0 mm) format, it functions within an industrial temperature range of -40°C to +85°C.

Feature Summary

• Dual differential HCSL inputs with LP-HCSL outputs for low power termination
• Backward compatible with the DB1200ZL specification
• Supports PCI Express Gen 1-4 and QPI/UPI applications
• Configurable I2O settings for topology tuning

Applications

• Intel Purley and newer server platforms
• PCI Express Gen 1 through Gen 4 interfaces
• QuickPath Interconnect (QPI) and Ultra Path Interconnect (UPI)

Part Context

This component belongs to the second-generation 9ZML1232E family, which serves as an enhanced replacement for legacy clock distribution devices. The 9ZML1232B variant specifically offers backward compatibility with the 9ZML1232B model while maintaining the performance envelope required for high-speed server memory and processor interconnects.

Replacement Considerations

The 9ZML1232EKILFT is a pin-compatible upgrade offering improved phase jitter performance. Designers should verify if the enhanced jitter specifications are required or if the standard 9ZML1232B performance is sufficient for the specific application topology.