5P49V5901B028NLGI8

Clock Generators, PLLs, Frequency Synthesizers Overview

The 5P49V5901B028NLGI8 is a VersaClock 5 low-power programmable clock generator manufactured by Renesas Electronics. It supports input frequencies up to 350 MHz and generates output frequencies up to 350 MHz. The device operates with core voltages of 1.8 V, 2.5 V, or 3.3 V and draws approximately 30 mA of operating supply current. It features an I2C programming interface for configuration changes and includes on-chip One-Time Programmable (OTP) memory for storing settings. The component is housed in a VFQFPN-24 package and functions within an industrial temperature range of -40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Supports multiple differential output standards including LVPECL, LVDS, and HCSL
• Configurable via I2C interface or stored in OTP memory
• Operates at 1.8 V, 2.5 V, or 3.3 V core voltage
• Maximum input and output frequency of 350 MHz

Clock Generators, PLLs, Frequency Synthesizers Applications

• Ethernet switches and routers
• PCI Express 1.0/2.0/3.0 systems
• Broadcast video and audio timing
• Processor and FPGA clocking
• Telecom line cards and fiber channel applications

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix '028' against official Renesas documentation to confirm the exact factory-programmed frequency configuration. Check current lifecycle status as some VersaClock 5 variants are marked as obsolete or restricted. Confirm RoHS compliance details directly from the manufacturer datasheet before procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a low-power solution with flexible output formats (LVPECL/LVDS/HCSL) is required for high-speed interfaces like PCIe or Ethernet. Ensure the system design accommodates the 350 MHz maximum frequency limit and the 1.8V/2.5V/3.3V voltage options. Verify that the VFQFPN-24 package size fits the PCB layout constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the VersaClock 5 family, representing Renesas' fifth generation of programmable clock technology. It is designed for high-performance consumer, networking, and data communications applications. The series allows for multiple configurations accessible via GPIO bootstrapping or I2C commands.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Consult the official Renesas replacement guide for obsolete parts. Potential alternatives within the VersaClock family may include newer generations such as VersaClock 6E devices, provided they meet the specific pinout and electrical requirements.