2:8 clock divider for high-speed timing trees
The Renesas 8P79818NLGI is a 2:8 clock divider that accepts CML, HCSL, LVCMOS, LVDS, or LVPECL inputs and delivers the same signal types on eight outputs. It runs up to 700 MHz, making it a fit for distributing reference clocks in networking, base station, and FPGA-based designs where multiple loads need a synchronous, divided clock from one source. The 2:8 ratio means two selectable input paths feed eight outputs — useful for redundant clock sources or for splitting a single clock across multiple line cards without adding external fanout buffers.
700 MHz — what it means for the clock tree
The 700 MHz maximum frequency sets the upper bound for the input clock. The differential input and output paths (Yes/Yes) preserve signal integrity at those frequencies, reducing jitter accumulation compared to single-ended distribution.
Signal compatibility — one part, five logic families
The 8P79818NLGI accepts and outputs CML, HCSL, LVCMOS, LVDS, and LVPECL. That means it can sit between a CML oscillator and an LVDS FPGA bank, or between an LVPECL PLL and HCSL fanout — no external level shifters. The 2:8 ratio and wide supply range simplify the BOM for multi-standard clock trees.
Lifecycle and compliance
Renesas lists the 8P79818NLGI as Active. ROHS3 compliant — no exemptions that would complicate EU or global shipments. No NRND or EOL flags; suitable for new designs and production BOMs.