8P34S1212NLGI8

Clock Buffers, Drivers Overview

The Renesas 8P34S1212NLGI8 is a high-performance differential LVDS fanout buffer designed for distributing 1PPS signals or high-frequency, low additive phase-noise clock and data signals. It features two selectable differential clock inputs and twelve LVDS outputs. The device operates from a single 1.8V or 2.5V supply voltage with typical current consumption of 185mA at 1.8V and 200mA at 2.5V. Key electrical parameters include a maximum propagation delay of 400ps, an output skew of 10ps (typical), and a maximum input frequency of 1.5GHz. It supports PCI Express Gen 1-5 and operates within an ambient temperature range of -40°C to +85°C.

Clock Buffers, Drivers Feature Summary

• Twelve low skew, low additive jitter LVDS output pairs
• Two selectable differential clock input pairs accepting LVDS or CML levels
• Low additive phase jitter: 34fs RMS (typical) at fref = 156.25MHz
• Integrated bias voltage reference for easy interfacing of single-ended signals

Clock Buffers, Drivers Applications

• PCI Express Gen 1-5 clock distribution
• High-speed clock and data signal fanout
• 1PPS signal distribution systems

Clock Buffers, Drivers Procurement Notes

Verify the specific suffix 'I8' against official Renesas documentation to confirm package type and tape/reel specifications, as standard datasheets may list generic suffixes like 'I'. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to procurement to ensure compatibility with assembly processes.

Clock Buffers, Drivers Selection Notes

Select this component when a 1:12 LVDS fanout buffer with low skew and low additive jitter is required. Ensure the design accommodates the 1.8V or 2.5V supply voltage requirements. Verify that the input signal format matches the supported LVDS or CML differential levels. Consider the 40-lead VFQFPN package dimensions for PCB layout constraints.

Clock Buffers, Drivers Part Context

The 8P34S1212 series belongs to Renesas' portfolio of high-performance differential clock buffers. These devices are characterized by guaranteed output-to-output and part-to-part skew characteristics, making them suitable for applications demanding well-defined performance and repeatability in clock distribution networks.

Clock Buffers, Drivers Replacement Considerations

Check for direct pin-compatible alternatives within the 8P34S12xx family, such as the 8P34S1212NLGI, ensuring the output count and input configuration match the application requirements.