ICS9LPRS525 Datasheet, PDF (4/21 Pages) Integrated Device Technology – 56-pin CK505 for Intel Systems

ICS9LPRS525
PC MAIN CLOCK
General Description
ICS9LPRS525 is compliant Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for Intel desktop
chipsets. ICS9LPRS525 is driven with a 14.318MHz crystal. It also provides a tight ppm accuracy output for Serial ATA and PCI-Express
support.
Block Diagram
X1
X2 ^OSC
REF
REF
CPU(1:0)
CPU
CPU PLL1 SRC
SS
SRC_MAIN
SRC8/ITP
SRC(7:3)
PLL3
SS
SRC
PCI33MHz
PCI33MHz
FSLA
CKPWRGD/PD#
PCI_STOP#
CPU_STOP#
CR#_(A:F)
SRC5_EN
ITP_EN
FSLC/TESTSEL
FSLB/TESTMODE
Control
Logic
Differential Output
SE Outputs
7
PLL2
Non-SS
SATA
DOT96MHz
48MHz
PCI(5:0)
SRC2/SATA
SRC1/SE(2:1)
SRC0/DOT96
48MHz
Power Groups
Pin Number
VDD
GND
49
52
55
52
26, 36, 45
23, 29, 42
39
23, 29, 42
20
19
16
19
12
11
9
11
61
58
2
8
IDT^TM/ICS^TM PC MAIN CLOCK
Description
CPUCLK
Low power outputs
Master Clock, Analog
SRCCLK
Low power outputs
PLL 1
PLL3/SE
Low power outputs
PLL 3
DOT 96Mhz Low power outputs
USB 48
Xtal, REF
PCICLK
4
1484A—04/28/09