Description
Output Features
ATI RD/RS600 series systems using AMD CPUs
• Integrated Series Resistors on differential outputs
• Greyhound Compatible CPU outputs
• 2 - 0.7V Low Power differential CPU pairs
• 6 - 0.7V Low Power differential SRC pairs
• 2 - 0.7V Low Power differential ATIG pairs
• 1 - 66 MHz HyperTransport clock
• 2 - 48MHz USB clocks
• 3 - 14.318MHz Reference clocks
Features/Benefits:
Key Specifications
• CPU outputs cycle-to-cycle jitter <150ps
• SRC outputs cycle-to-cycle jitter < 125ps
• ATIG outputs cycle-to-cycle jitter < 125ps
• +/- 100ppm frequency accuracy on all outputs if REF is
tuned to +/-100ppm
• 3 - Programmable Clock Request pins for SRC and ATIG clocks
• ATIGCLKs are programmable for frequency
• Spread Spectrum for EMI reduction
• Outputs may be disabled via SMBus
• External crystal load capacitors for maximum frequency accuracy