NB3L8543S

The NB3L8543S is a 2.5V/3.3V differential 2:1 multiplexed to 4 LVDS clock fanout buffer designed by ON Semiconductor. This high-performance component offers low skew for reliable clock distribution in complex systems.

Key electrical specifications include a maximum output frequency of 650 MHz, an additive phase jitter of 50 fs (typical), and a maximum output skew of 40 ps. Part-to-part skew is limited to 200 ps, with a maximum propagation delay of 1.9 ns. The device supports operating voltages of 2.5 V ±5% or 3.3 V ±10% and operates within an ambient temperature range of -40°C to +85°C.

The NB3L8543S features selectable differential clock inputs, allowing it to accept LVPECL, LVDS, HCSL, SSTL, and HSTL on one input pair (CLK/CLK) and LVPECL, LVDS, CML, and SSTL on the other (PCLK/PCLK). A common synchronous clock enable pin (CLK_EN) ensures glitch-free output transitions. The device is housed in a 20-pin TSSOP package and is Pb-Free.

This clock fanout buffer is suitable for applications requiring precise clock signal distribution, such as high-speed computing, telecommunications, and networking equipment.