特性 Features

? Generates up to four independent output frequencies

? High-performance, low phase noise PLL, < 0.7 ps RMS

typical phase jitter on outputs

? Four fractional output dividers (FODs)

? Independent Spread Spectrum capability on each output

? Four banks of internal non-volatile in-system

programmable or factory programmable OTP memory

? I2C serial programming interface

? Five LVCMOS outputs, including one reference output

? I/O Standards:

– Single-ended I/Os: 1.8V to 3.3V LVCMOS

? Input frequency ranges:

– LVCMOS Reference Clock Input (XIN/REF) – 1MHz to

200MHz

– LVDS, LVPECL, HCSL Differential Clock Input (CLKIN,

CLKINB) – 1MHz to 200MHz

– Crystal frequency range: 8MHz to 40MHz

? Output frequency ranges:

– LVCMOS Clock Outputs – 1MHz to 200MHz

? Individually selectable output voltage (1.8V, 2.5V, 3.3V) for

each output

? Redundant clock inputs with manual switchover

? Programmable loop bandwidth

? Programmable slew rate control

? Programmable crystal load capacitance

? Individual output enable/disable

? Power-down mode

? 1.8V, 2.5V or 3.3V core VDDD, VDDA

? Available in 24-pin VFQFPN 4mm x 4mm package

? -40° to +85°C industrial temperature operation