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参数资料
型号： ICS952623YGT
英文描述： Programmable Timing Control Hub for Next Gen P4 processor
中文描述： 可编程定时控制中心，为下一代P4处理器
文件页数： 1/27页
文件大小： 329K
代理商： ICS952623YGT
Integrated
Circuit
Systems, Inc.
ICS952623
Advance Information
0758—02/08/05
Pin Configuration
Recommended Application:
CK409 clock, Intel Yellow Cover part
Output Features:
3 - 0.7V current-mode differential CPU pairs
1 - 0.7V current-mode differential SRC pair
7 - PCI (33MHz)
3 - PCICLK_F, (33MHz) free-running
1 - USB, 48MHz
1 - DOT, 48MHz
2 - REF, 14.318MHz
4 - 3V66, 66.66MHz
1 - VCH/3V66, selectable 48MHz or 66MHz
Key Specifications:
CPU/SRC outputs cycle-cycle jitter < 125ps
3V66 outputs cycle-cycle jitter < 250ps
PCI outputs cycle-cycle jitter < 250ps
CPU outputs skew: < 100ps
+/- 300ppm frequency accuracy on CPU & SRC clocks
Programmable Timing Control Hub for Next Gen P
4
processor
Functionality
Features/Benefits:
Supports tight ppm accuracy clocks for Serial-ATA
Supports spread spectrum modulation, 0 to -0.5%
down spread and +/- 0.25% center spread
Supports CPU clks up to 400MHz in test mode
Uses external 14.318MHz crystal
Supports undriven differential CPU, SRC pair in PD#
and CPU_STOP# for power management.
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.
56-pin SSOP & TSSOP
REF0
REF1
1
2
3
4
5
6
7
8
9
56 FS_B
55 VDDA
54 GNDA
53 GND
52 IREF
51 FS_A
50 CPU_STOP#
49 PCI_STOP#
48 VDDCPU
47 CPUCLKT2
46 CPUCLKC2
45 GND
44 CPUCLKT1
43 CPUCLKC1
42 VDDCPU
41 CPUCLKT0
40 CPUCLKC0
39 GND
38 SRCCLKT
37 SRCCLKC
36 VDD
35 Vtt_PWRGD#
34 VDD48
33 GND
32 48MHz_DOT
31 48MHz_USB
30 SDATA
29 3V66_4/VCH
VDDREF
X1
X2
GND
PCICLK_F0
PCICLK_F1
PCICLK_F2
VDDPCI 10
GND 11
PCICLK0 12
PCICLK1 13
PCICLK2 14
PCICLK3 15
VDDPCI 16
GND 17
PCICLK4 18
PCICLK5 19
PCICLK6 20
PD# 21
3V66_0 22
3V66_1 23
VDD3V66 24
GND 25
3V66_2 26
3V66_3 27
SCLK 28
I
B6b5 FS_A FS_B
0
0
0
1
1
1
0
0
1
1
CPU
MHz
100
SRC
MHz
100/200 66.66
Ref/N
1
100/200 66.66
100/200 66.66
100/200 66.66
Hi-Z
100/200 66.66
100/200 66.66
100/200 66.66
100/200 66.66
3V66
MHz
PCI
MHz
33.33 14.318
REF
MHz
U
SB/DOT
MHz
48.00
Ref/N
5
48.00
48.00
48.00
Hi-Z
48.00
48.00
48.00
48.00
0
MID Ref/N
0
1
0
1
MID
0
1
0
1
Ref/N
2
Ref/N
3
Ref/N
4
33.33 14.318
33.33 14.318
33.33 14.318
Hi-Z
Hi-Z
33.33 14.318
33.33 14.318
33.33 14.318
33.33 14.318
200
133
166
Hi-Z
200
400
266
333
Hi-Z
0
1
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