8P791208NLGI

Clock Buffers, Drivers Overview

The 8P791208NLGI is a low additive jitter 2:8 clock buffer manufactured by Renesas Electronics. It accepts input frequencies from 1Hz to 700MHz and generates up to eight outputs. The device features two differential inputs supporting LVPECL, LVDS, LVHSTL, HCSL, or LVCMOS reference clocks. Outputs are arranged in two banks of four, each with independent power supplies. Output types include LVCMOS, LVDS, LVHSTL, and LVPECL. Key electrical parameters include a maximum output frequency of 700MHz, a maximum propagation delay of 2.25ns, and an operating supply voltage range of 1.71V to 3.465V. The component operates within a temperature range of -40°C to +85°C and is housed in a 32-VFQFN package.

Clock Buffers, Drivers Feature Summary

• Low additive jitter performance with an output noise floor of –158dBc/Hz at 156.25MHz
• Dual differential inputs support multiple logic standards including LVPECL, LVDS, LVHSTL, HCSL, and LVCMOS
• Configurable output banks allowing selection of LVPECL, LVDS, or dual LVCMOS per bank
• Individual output enable and type selection capabilities for flexible signal distribution

Clock Buffers, Drivers Applications

• High-speed data communication systems requiring precise clock distribution
• Telecommunications infrastructure utilizing differential signaling standards
• Test and measurement equipment demanding low jitter clock sources
• Industrial control systems operating in extended temperature environments

Clock Buffers, Drivers Procurement Notes

Verify the specific ordering suffix NLGI against the manufacturer's current datasheet to confirm pinout, packaging dimensions, and moisture sensitivity level. Confirm RoHS compliance status and lead-free certification requirements prior to procurement. Ensure the selected variant matches the required output voltage levels and package type for the target PCB design.

Clock Buffers, Drivers Selection Notes

Select this component when a 2:8 fanout ratio with low additive jitter is required for frequencies up to 700MHz. Verify that the system supports the available output voltage options (3.3V, 2.5V, 1.8V, 1.5V) and logic families. Ensure the design accommodates the 32-VFQFN package footprint and thermal requirements. Check if individual output enable functionality is necessary for the specific application topology.

Clock Buffers, Drivers Part Context

The 8P791208NLGI belongs to the 8P791208 series of clock buffers. This series is designed for applications requiring flexible clock generation and distribution with minimal added jitter. The device integrates configurable output drivers and input selection logic into a compact QFN package, serving as a key component in complex timing architectures.

Clock Buffers, Drivers Replacement Considerations

Consult the official Renesas replacement guide for verified cross-reference part numbers. Ensure any substitute component maintains compatibility with the required input/output voltage levels, package dimensions, and jitter specifications.