8P79818NLGI

Clock Buffers, Drivers Overview

The 8P79818NLGI is a programmable low additive jitter clock buffer manufactured by Renesas Electronics. It functions as a 2:8 buffer with dividers and universal outputs, supporting maximum input and output frequencies of 700 MHz. The device accepts LVCMOS, LVDS, LVPECL, or HCSL inputs and provides CML, LVDS, LVPECL, or HCSL outputs. Operating on a single supply voltage between 1.71 V and 3.465 V, it is housed in a 32-VFQFN package with an exposed pad. The component operates within a temperature range of -40°C to +85°C.

Clock Buffers, Drivers Feature Summary

• Programmable 2:8 buffer configuration with integrated dividers and universal output capabilities
• Supports multiple input/output standards including LVCMOS, LVDS, LVPECL, HCSL, and CML
• Maximum operating frequency of 700 MHz for both input and output signals
• Single-supply operation ranging from 1.71 V to 3.465 V

Clock Buffers, Drivers Applications

• Clock distribution in high-speed digital systems requiring low jitter
• Frequency division and buffering in telecommunications infrastructure
• Signal conditioning for processors and memory interfaces

Clock Buffers, Drivers Procurement Notes

Verify the specific suffix 'W' against official Renesas documentation to confirm packaging details, such as reel specifications, as distributor data may vary. Ensure the 32-VFQFN package dimensions match the target PCB footprint. Confirm RoHS compliance status through the manufacturer's current product change notifications before finalizing procurement.

Clock Buffers, Drivers Selection Notes

Select this component when a programmable solution is required to distribute a reference clock to eight destinations with flexible output voltage levels. The 700 MHz frequency limit suits applications needing moderate-to-high speed clock generation. Verify that the available input signal types (LVCMOS/LVDS/LVPECL/HCSL) align with the source clock generator. Consider the 32-VFQFN package size if board space is constrained.

Clock Buffers, Drivers Part Context

This part belongs to the 8P79818 series of VersaClock programmable clock buffers. These devices are designed to replace fixed-function buffers by allowing configuration via external pins or I2C interfaces. The series supports various output formats to interface with different downstream components without requiring level shifters.

Clock Buffers, Drivers Replacement Considerations

Direct pin-compatible replacements within the same family include other variants of the 8P79818 series with different suffixes indicating package or temperature variations. Cross-family substitution requires verification of electrical parameters and pinout compatibility.