参数资料
型号: ICS952702YFLFT
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 222 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封装: LEAD FREE, MO-118, SSOP-48
文件页数: 1/17页
文件大小: 149K
代理商: ICS952702YFLFT
Integrated
Circuit
Systems, Inc.
ICS952702
0795D—05/06/05
Pin Configuration
Recommended Application:
SiS746/746FX style chipset
Output Features:
1 - Pair of differential open drain CPU outputs
1 - Single-ended open drain CPU output
8 - PCICLK @ 3.3V including 2 PCI clock free running
2 - AGPCLK @ 3.3V
3 - REF @ 3.3V
2 - ZCLK @ 3.3V
2 - IOAPIC @ 2.5V
1 - 12_48MHz @ 3.3V
1 - 24_48MHz @ 3.3V
Key Specifications:
CPU Output Jitter <250ps
AGP Output Jitter <250ps
ZCLK Output Jitter <250ps
PCI Output Jitter <500ps
CPU-AGP/PCI/ZCLK skew: 2.5ns~3.5ns
Programmable Timing Control Hub for K7TM System
Functionality
Features/Benefits:
Selectable synchronous/asynchronous AGP/PCI
frequency
Programmable output frequency.
Programmable output divider ratios.
Programmable output rise/fall time.
Programmable output skew.
Programmable spread percentage for EMI control.
Watchdog timer technology to reset system
if system malfunctions.
Programmable watch dog safe frequency.
Support I2C Index read/write and block read/write
operations.
Uses external 14.318MHz reference or XTAL input.
Bit4
Bit3
Bit2
Bit1
Bit0
CPU
ZCLK
AGP
PCI
FS4
FS3
FS2
FS1
FS0
MHz
00000
200.00
133.33
66.67
33.33
00001
200.99
133.99
67.00
33.50
00010
200.00
66.67
33.33
00011
206.00
137.33
68.67
34.33
00100
133.33
66.67
33.33
00101
214.00
142.66
71.33
35.67
00110
218.00
145.33
72.67
36.33
00111
222.00
148.00
74.00
37.00
01000
100.00
133.33
66.67
33.33
01001
100.99
134.65
67.33
33.66
01010
100.00
66.67
33.33
01011
103.00
137.33
68.67
34.33
01100
100.00
133.33
66.67
33.33
01101
107.00
142.66
71.33
35.67
01110
109.00
145.33
72.67
36.33
01111
111.00
148.00
74.00
37.00
10000
166.67
133.33
66.67
33.33
10001
166.99
133.59
66.80
33.40
10010
166.67
66.67
33.33
10011
171.67
137.33
68.67
34.33
10100
175.00
140.00
70.00
35.00
10101
178.34
142.66
71.33
35.67
10110
181.67
145.33
72.67
36.33
10111
185.00
148.00
74.00
37.00
11000
133.33
66.67
33.33
11001
133.99
67.00
33.50
11010
133.33
66.67
33.33
11011
137.33
68.67
34.33
11100
140.00
70.00
35.00
11101
142.66
71.33
35.67
11110
145.33
72.67
36.33
11111
148.00
74.00
37.00
VDDREF 1
48 VDDLAPIC
**FS0/REF0 2
47 IOAPIC1
**FS1/REF1 3
46 IOAPIC0
**FS4/REF2 4
45 GNDAPIC
GNDREF 5
44 CPU_STOP#*
X1 6
43 CPUCLKODT1
X2 7
42 RESET#
GNDZ 8
41 GNDCPU
ZCLK0 9
40 CPUCLKODT0
ZCLK1 10
39 CPUCLKODC0
VDDZ 11
38 VDDCPU
*PCI_STOP# 12
37 AGND
VDDPCI 13
36 AVDD
**FS2/PCICLK_F0 14
35 SCLK
*FS3/PCICLK_F1 15
34 SDATA
PCICLK0 16
33 PD#*
PCICLK1 17
32 GNDAGP
GNDPCI 18
31 AGPCLK0
VDDPCI 19
30 AGPCLK1
PCICLK2 20
29 VDDAGP
PCICLK3 21
28 AVDD48
PCICLK4 22
27 12_48MHz/SEL12#_48MHz*
PCICLK5 23
26 24_48MHz/SEL24#_48MHz**
GNDPCI 24
25 GND48
48-SSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
IC
S
952702
相关PDF资料
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ICS952702YFT 222 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
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