ICS9LPR501 Datasheet, PDF (6/22 Pages) Integrated Circuit Systems – 64-pin CK505 w/Fully Integrated Voltage Regulator

Integrated
Circuit
Systems, Inc.
ICS9LPR501
General Description
ICS9LPR501 follows Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for next
generation P4 Intel processors and Intel chipsets. ICS9LPR501 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
REF
X2 ^OSC
CPU
CPU PLL1 SRC
SS
SRC _MA IN
PLL3
SS
SRC
PCI33MHz
PCI33MHz
FSLA
CKPWRGD/PD#
PCI_STOP#
CPU_STOP#
CR#_(A:H)
SRC5_EN
ITP_EN
FSLC/TESTSEL
FSLB/TESTMODE
Control
Logic
Differential Output
SE Outputs
7
PLL2
Non-SS
SATA
DOT96MHz
48MHz
REF
CPU(1:0)
SRC8/ITP
SRC(11-9,7:3)
PCI
SRC2/SATA
SRC1/SE(2:1)
SRC0/DOT96
48MHz
Power Groups
Pin Number
VDD
GND
49
55
26, 36, 45
39
20
16
12
9
61
2
52
52
23, 29, 42
23, 29, 42
19
19
11
11
58
8
1118E—08/08/07
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
6