950812YGLFT中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Recommended Application:

CK-408 clock with Buffered/Unbuffered mode supporting

Almador, Brookdale, ODEM, and Montara-G chipsets with PIII/

P4 processor. Programmable for group to group skew.

Output Features:

? 3 0.7V Differential CPU Clock Pairs

? 7 PCI (3.3V) @ 33.3MHz including 2 early PCI clocks

? 3 PCI_F (3.3V) @ 33.3MHz

? 1 USB (3.3V) @ 48MHz, 1 DOT (3.3V) @ 48MHz

? 1 REF (3.3V) @ 14.318MHz

? 5 3V66 (3.3V) @ 66.6MHz

? 1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz

Features:

? Provides standard frequencies and additional 5

and 10 over-clocked frequencies

? Supports spread spectrum modulation:

No spread, Center Spread (±0.35, ±0.5,

or ±0.75), or Down Spread (-0.5, -1.0, or -1.5)

? Offers adjustable PCI early clock via latch inputs

? Selectable 1X or 2X strength for REF via I2C interface

? Efficient power management scheme through PD#,

CPU_STOP# and PCI_STOP#.

? Uses external 14.318MHz crystal

? Stop clocks and functional control available through I2C interface.