952906A

描述

Programmable Timing Control Hub™ for Next Gen P4™ processor

特性

• 3 - 0.7V current-mode differential CPU pairs
• 10 - PCI, 3 free running, 33MHz
• 2 - REF, 14.318MHz
• 3 - 3V66, 66.66MHz
• 1 - 48MHz
• 1 - 24/48MHz
• 2 - 25MHz @ 2.5V
• CPU/SRC outputs cycle-cycle jitter < 125ps
• 3V66 outputs cycle-cycle jitter < 250ps
• PCI outputs cycle-cycle jitter < 250ps
• CPU - AGP skew < +/- 350ps
• AGP-PCI skew between 1~3.5ns
• Programmable output frequency.
• Programmable asynchronous 3V66&PCI frequency.
• Programmable output divider ratios.
• 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 reference input.

产品对比

应用