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ICS9LPR426A Datasheet(PDF) 4 Page - Integrated Circuit Systems

Part No. ICS9LPR426A
Description  Low Power Programmable Timing Control Hub™ for P4™ processor
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Maker  ICST [Integrated Circuit Systems]
Homepage  http://www.icst.com
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ICS9LPR426A Datasheet(HTML) 4 Page - Integrated Circuit Systems

 
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4
Integrated
Circuit
Systems, Inc.
ICS9LPR426A
Advance Information
1346—10/23/07
Block Diagram
General Description
ICS9LPR426A is a low power CK410M-compliant clock specification. This clock synthesizer provides a single chip solution
for next generation P4 Intel processors and Intel chipsets. ICS9LPR426A is driven with a 14.318MHz crystal.
SDATA
SCLK
CPU_STOP#
FSLA
FSLB
FSLC
Vtt_Pwr_GD/PD#
PCI/PCIEX_STOP#
PEREQ#(2:1)
Fixed PLL
Frequency
Dividers
PLL
Array
Programmable
Frequency
Divider
Array
USB_48MHz
X1
X2
XTAL
Control
Logic
REF(1:0)
CPUCLKT (1:0)
CPUCLKC (1:0)
PCICLK (5:2)
PCIEXT (5:1)
PCIEXC (5:1)
PCICLK_F(1:0)
SATACLKT
SATACLKC
27FIX/LCD_SSCGT/PCIEX0T
27SS/LCD_SSCGC/PCIEX0C
ITP_EN
REQ_SEL
TEST_SEL
TEST_MODE
CPUCLKT2_ITP/PCIEXT6
CPUCLKC2_ITP/PCIEXC6
STOP
Logic
M and N programming range
Minimum
Maximum
Minimum
Maximum
NN
N
N
3
200
400
14
42
85
4
150
300
15
40
80
5
120
240
16
37
75
6
100
200
17
35
70
7
85
171
18
33
66
8
75
150
19
31
63
9
66
133
20
30
60
10
60
120
21
28
57
11
54
109
22
27
54
12
50
100
23
26
52
13
46
92
24
25
50
Yellow range is programming with more margin
MM


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