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参数资料
| 型号： | ICS950813YFT |
| 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, MO-118, SSOP-56 |
| 文件页数： | 1/22页 |
| 文件大小： | 253K |
| 代理商： | ICS950813YFT |
Integrated
Circuit
Systems, Inc.
ICS950813
Advance Information
0708—10/10/02
Block Diagram
Recommended Application:
CK-408 clock for Brookdale/Odem/Montara-GM for P4/Banias
processor.
Output Features:
3 Differential CPU Clock Pairs @ 3.3V
7 PCI (3.3V) @ 33.3MHz including 2 early PCI clocks
3 PCI_F (3.3V) @ 33.3MHz
1 USB (3.3V) @ 48MHz, 1 DOT (3.3V) @ 48MHz
1 REF (3.3V) @ 14.318MHz
5 3V66 (3.3V) @ 66.6MHz
1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz
Features:
Provides standard frequencies and additional 3%, 5%
and 10% over-clocked frequencies
Supports spread spectrum modulation:
No spread, Center Spread (±0.3%, ±0.55%), or Down
Spread (-0.5%, -0.75%)
Offers adjustable PCI early clock via latch inputs
Selectable 1X or 2X strength for REF via I
2C interface
Programmable group to group skew
Linear programmable frequency and spreading %
Efficient power management scheme through PD#,
CPU_STOP# and PCI_STOP#.
Uses external 14.318MHz crystal
Stop clocks and functional control available through
I
2C interface.
Key Specifications:
CPU Output Jitter <150ps
3V66 Output Jitter <250ps
CPU Output Skew <100ps
Pin Configuration
Frequency Generator with 200MHz Differential CPU Clocks
ADVANCE INFORMATION documents contain information on products in the formative or design phase development. Characteristic data and other specifications are design goals.
ICS reserves the right to change or discontinue these products without notice. Third party brands and names are the property of their respective owners.
VDDREF
1
56 REF
X1
2
55 FS1
X2
3
54 FS0
GND
4
53 CPU_STOP#*
PCICLK_F0
5
52 CPUCLKT0
PCICLK_F1
651 CPUCLKC0
*ASEL/PCICLK_F2
7
50 VDDCPU
VDDPCI
8
49 CPUCLKT1
GND
9
48 CPUCLKC1
PCICLK0 10
47 GND
**E_PCICLK1/PCICLK1 11
46 VDDCPU
PCICLK2 12
45 CPUCLKT2
**E_PCICLK3/PCICLK3 13
44 CPUCLKC2
VDDPCI 14
43 MULTSEL*
GND 15
42 IREF
PCICLK4 16
41 GND
PCICLK5 17
40 PWRSAVE#*
PCICLK6 18
39 48MHz_USB/FS2**
VDD3V66 19
38 48MHz_DOT
GND 20
37 VDD48
3V66_2 21
36 GND
3V66_3 22
35 3V66_1/VCH_CLK/FS3**
3V66_4 23
34 PCI_STOP#*
3V66_5 24
33 3V66_0/FS4**
*PD# 25
32 VDD3V66
VDDA 26
31 GND
GND 27
30 SCLK
Vtt_PWRGD# 28
29 SDATA
56-Pin 300mil SSOP
56-Pin 240mil TSSOP
*These inputs have 120K internal pull-up resistors to VDD.
**Internal pull-down resistors to ground.
IC
S950813
Functionality Table
CPU
AGP
PCI
MHz
0
100.00
66.67
33.33
0
1
133.33
66.67
33.33
10
200.00
66.67
33.33
11
166.66
66.66
33.33
FS1
FS0
PLL2
PLL1
Spread
Spectrum
3V66 (5:2)
48MHz_USB
48MHz_DOT
X1
X2
XTAL
OSC
3V66
DIVDER
PD#
Vtt_PWRGD#
PWRSAVE#
CPU_STOP#
PCI_STOP#
MULTSEL
SDATA
SCLK
FS (4:0)
I REF
Control
Logic
Config.
Reg.
REF
3V66_0
CPU
DIVDER
3
CPUCLKT (2:0)
CPUCLKC (2:0)
Stop
3V66_1/VCH_CLK
PCICLK (6:0)
PCI
DIVDER
3
7
PCICLK_F (2:0)
Stop
Asynchronous AGP/PCI Frequency Selection Table
Byte7 Bit5 Byte7 Bit4
AGP Frequency
PCI Frequency
0
66.00
33.00
0
1
75.43
37.72
1
0
88.00
44.00
1
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相关代理商/技术参数 |
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| ICS950813YGT | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950818 | 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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