ICS951104中文资料瑞萨数据手册PDF规格书

Output Features:

• 2 - Pairs of differential CPU clocks (differential current mode)

• 2 - AGP @ 3.3V

• 7 - PCI @ 3.3V

• 1 - 48MHz @ 3.3V fixed

• 1 - REF @ 3.3V, 14.318MHz

• 7 - Pairs of differential SSTL2 DDR @ 2.5V

Features/Benefits:

• Programmable output frequency.

• Programmable output divider ratios.

• Programmable output rise/fall time.

• Programmable output skew.

• Programmable spread percentage for EMI control.

• Watchdog timer technology to reset system

if system malfunctions.

• Programmable watch dog safe frequency.

• Support I2C Index read/write and block read/write operations.

• Uses external 14.318MHz crystal.

Key Specifications:

• CPU Output Jitter <150ps

• AGP Output Jitter <250ps

• DDR Output Jitter <250ps

• CPU - DDR Skew <250ps

• CPU - AGP/PCI Skew = 2.5ns ± 500ps