ICS9LPRS477C中文資料瑞薩數據手冊PDF規(guī)格書

Recommended Application:

ATI RS780/RS790/RD790/RS880 systems using AMD

K8 processors

Output Features:

? 2 - Greyhound compatible K8 CPU pair

? 6 - low-power differential SRC pairs

? 2 - low-power differential SouthBridge SRC pairs

? 4 - low-power differential ATIG pairs

? 1 - Selectable low-power differential 100MHz nonspread

SATA/ SRC output

? 1 - Selectable 100MHz low-power differential/ 66 MHz

single-ended HTT clock

? 2 - 48MHz USB clock

? 3 - 14.318MHz Reference clock

Key Specifications:

? CPU outputs cycle-to-cycle jitter < 85ps

? SRC outputs cycle-to-cycle jitter < 125ps

? ATIG outputs cycle-to-cycle jitter < 125ps

? +/- 300ppm frequency accuracy on CPU, SRC & ATIG

clocks

Features/Benefits:

? CPU, ATIG, SB_SRC and SRC outputs are

independently programmable for frequency

? Spread Spectrum for EMI reduction

? Outputs may be disabled via SMBus

? External crystal load capacitors for maximum

frequency accuracy

? Meets PCIEX Gen2 specifications