参数资料
型号: ICS9250YF-26-T
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封装: 0.300 INCH, SSOP-56
文件页数: 1/15页
文件大小: 223K
代理商: ICS9250YF-26-T
Integrated
Circuit
Systems, Inc.
ICS9250-26
Third party brands and names are the property of their respective owners.
Block Diagram
9250-26 Rev B 01/19/01
Recommended Application:
810/810E type chipset. Provides three CPU speeds
(66.6, 100, 133MHz) with SDRAM = 133.3MHz.
Output Features:
3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz
achievable through I
2C)
9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz
achievable through I
2C)
8 PCI (3.3 V) @33.3MHz
2 IOAPIC (2.5V) @ 33.3 MHz
2 Hublink clocks (3.3 V) @ 66.6 MHz
2 USB (3.3V) @ 48 MHz ( Non spread spectrum)
1 REF (3.3V) @ 14.318 MHz
Features:
Supports spread spectrum modulation ,
down spread 0 to -0.5% and ± 0.25% center spread.
I
2C support for power management
Efficient power management scheme through PD#
Uses external 14.138 MHz crystal
Alternate frequency selections available through I
2C
control.
Functionality
Pin Configuration
56-Pin 300mil SSOP
* This input has a 120K
pull-down to GND.
*FS2//REF0
VDD0
X1
X2
GND0
GND1
3V66-0
3V66-1
VDD1
VDD2
PCICLK0
PCICLK1
PCICLK2
GND2
PCICLK3
PCICLK4
GND2
PCICLK5
PCICLK6
PCICLK7
VDD2
VDD3
GND3
GND4
48MHz_0
48MHz_1
VDD4
FS0
GNDL1
IOAPIC0
IOAPIC1
VDDL1
CPUCLK0
VDDL0
CPUCLK1
CPUCLK2
GNDL0
GND5
SDRAM0
SDRAM1
VDD5
SDRAM2
SDRAM3
GND5
SDRAM4
SDRAM5
VDD5
SDRAM6
SDRAM7
GND5
SDRAM_F
VDD5
PD#
SCLK
SDATA
FS1
ICS9250-26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
Frequency Generator & Integrated Buffers for Celeron & PII/III
2
S
F1
S
F0
S
Fn
o
i
t
c
n
u
F
X0
0
e
t
a
t
s
i
r
T
X0
1
t
s
e
T
01
0
z
H
M
6
=
U
P
C
e
v
i
t
c
A
z
H
M
0
1
=
M
A
R
D
S
01
1
z
H
M
0
1
=
U
P
C
e
v
i
t
c
A
z
H
M
0
1
=
M
A
R
D
S
11
1
z
H
M
3
1
=
U
P
C
e
v
i
t
c
A
z
H
M
0
1
=
M
A
R
D
S
11
0
)
n
o
i
t
i
d
n
o
C
l
a
i
c
e
p
S
(
z
H
M
3
1
=
U
P
C
e
v
i
t
c
A
z
H
M
3
1
=
M
A
R
D
S
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
相关PDF资料
PDF描述
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ICS9250YF-22LF-T 133 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
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