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