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参数资料
| 型号： | ICS9250YF-08 |
| 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： | SSOP-56 |
| 文件页数： | 1/15页 |
| 文件大小： | 239K |
| 代理商： | ICS9250YF-08 |
ICS9250-08
Integrated
Circuit
Systems, Inc.
0378I—07/17/03
Block Diagram
Frequency Generator & Integrated Buffers for Celeron & PII/III
Functionality
Pin Configuration
Recommended Application:
BX, Appollo Pro 133 type of chip set.
Output Features:
3 - CPUs @2.5V, up to 150MHz.
17 - SDRAM @ 3.3V, up to 150MHz.
7 - PCI @3.3V
2 - IOAPIC @ 2.5V
1 - 48MHz, @3.3V fixed.
1 - 24MHz @ 3.3V
2 - REF @3.3V, 14.318MHz.
Features:
Up to 150MHz frequency support
Support power management: CPU, PCI, stop and
Power down Mode form I
2C programming.
Spread spectrum for EMI control (0 to -0.5%, ±
0.25%).
Uses external 14.318MHz crystal
Key Specifications:
CPU – CPU: <175ps
CPU – PCI: min = 1ns max = 4ns
PCI – PCI: <250ps
SDRAM - SDRAM: <500ps
56-Pin SSOP
* Internal Pull-up Resistor of 240K to 3.3V on indicated inputs
** Internal Pull-down resistor of 240K to GND on indicated inputs.
VDDREF
*
REF1
*PCI_STOP/REF0
GND
X1
X2
VDDPCI
*MODE/PCICLK_F
**FS3/PCICLK0
GND
VDDPCI
BUFFERIN
SDRAM11
SDRAM10
VDDSDR
SDRAM9
SDRAM8
GND
SDRAM15
SDRAM14
GND
SDATA
SCLK
PCICLK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
FS2/
VDDLIOAPIC
IOAPIC0
IOAPIC_F
GND
CPUCLK_F
CPUCLK1
VDDLCPU
CPUCLK2
GND
CPU_STOP#
SDRAM_F
VDDSDR
SDRAM0
SDRAM1
GND
SDRAM2
SDRAM3
SDRAM4
SDRAM5
VDDSDR
SDRAM6
SDRAM7
GND
SDRAM12
SDRAM13
VDD48
24MHz/FS0*
48MHz/FS1*
ICS9250-08
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
{
I C
2
3
S
F2
S
F1
S
F0
S
F
U
P
C
)
z
H
M
(
)
z
H
M
(
K
L
C
I
C
P
1111
3
1)
4
/
U
P
C
(
3
.
3
111
0
4
2
1)
4
/
U
P
C
(
1
3
11
0
1
0
5
1)
4
/
U
P
C
(
5
.
7
3
11
00
0
4
1)
4
/
U
P
C
(
5
3
10
1
5
0
1)
3
/
U
P
C
(
5
3
10
0
1
1)
3
/
U
P
C
(
7
6
.
6
3
10
0
1
5
1
1)
3
/
U
P
C
(
3
.
8
3
1
000
0
2
1)
3
/
U
P
C
(
0
.
0
4
0
111
3
.
0
1)
3
/
U
P
C
(
3
4
.
3
01
1
0
3
1)
3
/
U
P
C
(
3
.
4
01
2
1
1)
3
/
U
P
C
(
3
.
7
3
01
0
3
0
1)
2
/
U
P
C
(
3
.
4
3
00
11
8
.
6
6)
2
/
U
P
C
(
0
4
.
3
00
1
0
3
.
3
8)
2
/
U
P
C
(
5
6
.
1
4
000
1
5
7)
2
/
U
P
C
(
5
.
7
3
0000
4
2
1)
2
/
U
P
C
(
3
.
1
4
CPU_STOP#
PCI_STOP#
PLL2
PLL1
Spread
Spectrum
48MHz
IOAPIC0
CPUCLK [2:1]
CPUCLK_F
IOAPIC_F
SDRAM [15:0]
SDRAM_F
PCICLK [5:0]
PCICLK_F
X1
X2
XTAL
OSC
PCI
CLOCK
DIVDER
STOP
÷2
STOP
POR
SDATA
SCLK
FS[3:0]
MODE
{
I C
2
Control
Logic
Config.
Reg.
REF [1:0]
24MHz
LATCH
1
2
16
6
4
BUFFERIN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS9250YF-09-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Timing Generator for PENTIUM II Systems |
| ICS9250YF-10 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Timing Generator for Pentium II Systems |
| ICS9250YF-11-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Timing Generator for PENTIUM II/III Systems |
| ICS9250YF-12-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Timing Generator for PENTIUM II/III Systems |
| ICS9250YF-13 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for PENTIUM/ProTM |
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