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

• 8 - 0.7V Low Power differential SRC pairs

• 4 - 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