5P49V5901B651NLGI8

Clock Generators, PLLs, Frequency Synthesizers Overview

The 5P49V5901B651NLGI8 is a VersaClock 5 Low Power Programmable Clock Generator manufactured by Renesas Electronics. It features a single PLL circuit with a maximum output frequency of 350MHz. The device supports input formats including HCSL, LVCMOS, LVDS, and LVPECL, or a crystal oscillator. It provides four differential outputs with a 2:4 input-to-output ratio. Supply voltages are configurable for 1.8V, 2.5V, and 3.3V domains (1.71V–1.89V, 2.375V–2.625V, 3.135V–3.465V). It operates within a temperature range of -40°C to 85°C and is housed in a 24-VFQFN package with an exposed pad.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• VersaClock 5 architecture supporting up to four independent output frequencies from a single reference.
• Configurable I/O standards including LVDS, LVPECL, HCSL, and LVCMOS.
• Supports configuration storage in on-chip One-Time Programmable (OTP) memory or dynamic changes via I2C interface.
• Dual select pins enable up to four distinct hardware configurations accessible via GPIO or bootstrapping.

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

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'NLGI8' against official Renesas documentation to confirm pinout and packaging details, as suffixes often denote tape-and-reel quantities or specific manufacturing lot codes. Confirm availability status directly with the manufacturer or authorized distributors, as supply constraints may apply to this part number.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a low-power programmable solution is required for high-speed serial interfaces like PCIe or Ethernet. Ensure the system design accommodates the 24-VFQFN package thermal requirements. Verify that the required output frequencies fall within the 350MHz maximum limit and that the available input references match the supported HCSL, LVCMOS, LVDS, or LVPECL standards.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Renesas VersaClock 5 family, which represents fifth-generation programmable clock technology. The 5P49V5901 series is designed for high-performance consumer, networking, industrial, computing, and data communications applications. It serves as a flexible clock source for converting any-frequency inputs to precise output clocks.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The 5P49V5907 is listed as a discontinued alternative within the same family. For new designs, consider the 5P49V6967 VersaClock 6E, which offers additional output copies and similar voltage specifications.