5P35023B-145NLGI

Clock Generators, PLLs, Frequency Synthesizers Overview

The 5P35023B-145NLGI is a VersaClock 3S programmable clock generator manufactured by Renesas Electronics. It features four internal phase-locked loops (PLLs) and an integrated EEPROM for non-volatile configuration storage, enabling in-system programming via a fast I2C serial interface. The device supports input frequencies from 1 MHz to 200 MHz and generates output frequencies ranging from 4.9 kHz to 500 MHz. It accommodates multiple I/O standards including LVCMOS, LVTTL, LVPECL, LVDS, and HCSL with independently controlled VDDO banks operating between 1.8V and 3.3V. Designed for industrial applications, it operates within a temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Four independent PLLs with fractional division capability on one loop
• Internal non-volatile EEPROM for persistent configuration without reprogramming
• Supports spread spectrum generation on two PLLs to reduce EMI
• Redundant clock inputs with automatic or manual switchover functionality

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-performance data communications equipment
• Telecommunications infrastructure systems
• Enterprise networking hardware

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix '145' against official Renesas documentation to confirm pinout compatibility and electrical characteristics relative to other variants in the 5P35023 family. Ensure that the ordering information matches the exact package type and temperature grade required for the target industrial application environment.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when multiple distinct clock frequencies are required from a single reference source. The integrated EEPROM simplifies board design by eliminating external configuration memory. Verify that the required output voltage levels and drive strengths across the four independent VDDO banks align with the downstream receiver specifications.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the VersaClock 3S series, which integrates EEPROM programmability into the standard VersaClock architecture. It serves as a direct upgrade path for designs previously using fixed-frequency oscillators or those requiring complex external configuration logic, consolidating timing generation and storage into a single VFQFPN package.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Consult the official Renesas replacement guide for obsolete parts. Cross-reference with the 5P35021 or 5V49EE902 families if pin-to-pin compatibility is required, ensuring that the alternative device supports the necessary spread spectrum and redundant input features.