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参数资料
| 型号： | ICS9250YF-30LF-T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封装： | 0.300 INCH, SSOP-56 |
| 文件页数： | 1/15页 |
| 文件大小： | 337K |
| 代理商： | ICS9250YF-30LF-T |
Integrated
Circuit
Systems, Inc.
ICS9250-30
0398A—07/03/02
Block Diagram
Pin Configuration
Recommended Application:
810/810E and Solano type chipset
Output Features:
2 - CPUs @ 2.5V, up to 200MHz.
13 - SDRAM @ 3.3V, up to 200MHz.
3 - 3V66 @ 3.3V, 2x PCI MHz.
8 - PCI @3.3V.
1 - 48MHz, @3.3V fixed.
1 - 24/48MHz @ 3.3V
1 - REF @3.3V, 14.318MHz.
1 - IOAPIC @ 2.5V.
Features:
Support PC133 SDRAM.
Up to 200MHz frequency support
Support power management through PD#.
Spread spectrum for EMI control
(± 0.25% Center Spread or 0 to -0.5% down spread)
Uses external 14.318MHz crystal
FS pins for frequency select
Key Specifications:
CPU Output Jitter: <250ps
CPU Output Skew: <175ps
PCI Output Skew: <500ps
3V66 Output Skew <175ps
For group skew timing, please refer to the
Group Timing Relationship Table.
Frequency Generator & Integrated Buffers for Celeron & PII/III
56-Pin 300 mil SSOP
1. These pins will have 1.5 to 2X drive strength.
* 120K ohm pull-up to VDD on indicated inputs.
SDATA
SCLK
PLL2
PLL1
Spread
Spectrum
48MHz
24_48MHz
CPUCLK [1:0]
2
12
8
3
SDRAM [11:0]
IOAPIC
PCICLK [7:0]
SDRAM_F
3V66 [2:0]
X1
X2
XTAL
OSC
CPU
DIVDER
SDRAM
DIVDER
IOAPIC
DIVDER
PCI
DIVDER
3V66
DIVDER
FS[4:0]
PD#
SEL24_48#
Control
Logic
Config.
Reg.
/ 2
REF0
VDDREF
X1
X2
GNDREF
GND3V66
3V66-1
3V66-2
VDD3V66
VDDPCI
*FS0/PCICLK0
*FS1/PCICLK1
*SEL24_48#/PCICLK2
GNDPCI
PCICLK3
PCICLK4
PCICLK5
VDDPCI
PCICLK6
PCICLK7
GNDPCI
PD#
SCLK
SDATA
VDDSDR
SDRAM11
SDRAM10
GNDSDR
3V66-0
1
REF0/FS4*
VDDLAPIC
IOAPIC
VDDLCPU
CPUCLK0
CPUCLK1
GNDLCPU
GNDSDR
SDRAM0
SDRAM1
SDRAM2
VDDSDR
SDRAM3
SDRAM4
SDRAM5
GNDSDR
SDRAM6
SDRAM7
SDRAM_F
VDDSDR
GND48
24_48MHz/FS2 *
48MHz/FS3*
VDD48
VDDSDR
SDRAM8
SDRAM9
GNDSDR
1
ICS9250-30
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
FS4 FS3 FS2 FS1 FS0
CPU
SDRAM
3V66
PCI
0000
0
66.67
100.00
66.67
33.33
0001
1
68.33
102.50
68.33
34.17
0011
0
80.00
120.00
80.00
40.00
0011
1
83.00
124.50
83.00
41.50
0100
0
100.00
66.67
33.33
0101
1
103.00
68.67
34.33
0111
0
115.00
76.67
38.33
0111
1
200.00
66.67
33.33
1000
0
133.33
66.67
33.33
1000
1
166.67
83.34
41.67
1001
1
137.00
68.50
34.25
1011
1
160.00
80.00
40.00
1100
0
133.33
100.00
66.67
33.33
1100
1
166.67
125.00
83.34
41.67
1101
1
137.00
102.75
68.50
34.25
1111
1
160.00
120.00
80.00
40.00
Functionality
For other hardware/I
2C selectable frequencies please
refer to Byte 0 frequency select register.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS9250YF-30-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Celeron & PII/III⑩ |
| ICS9250YF-32-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for PII/III⑩ |
| ICS9250YF-38-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS9250YG-22-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator for P IV⑩ |
| ICS9250YG-38-T | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
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