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參數(shù)資料
| 型號： | 954119DFLF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封裝： | 0.300 INCH, 0.025 INCH PITCH, GREEN, MO-118, SSOP-56 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 245K |
| 代理商： | 954119DFLF |
Integrated
Circuit
Systems, Inc.
ICS954119
Advance Information
0875—05/24/04
Pin Configuration
Recommended Application:
CK410 compliant clock
Output Features:
2 - 0.7V current-mode differential CPU pairs
1 - 0.7V current-mode differential SRC pair
6 - PCI (33MHz)
3 - PCICLK_F, (33MHz) free-running
1 - USB, 48MHz
1 - 24/48 MHz
1 - DOT, 96MHz, 0.7V current differential pair
2 - REF, 14.318MHz
5 - PCI-Express 0.7V current differential pairs
Key Specifications:
CPU/SRC outputs cycle-cycle jitter < 85ps
PCI outputs cycle-cycle jitter < 250ps
+/- 300ppm frequency accuracy on CPU & SRC clocks
Programmable Timing Control Hub for Next Gen P4 processor
Functionality
Features/Benefits:
Programmable output frequencies
Programmable output skew.
Programmable spread percentage for EMI control.
Programmable watch dog safe frequency.
Supports tight ppm accuracy clocks for Serial-ATA
Supports spread spectrum modulation, 0 to -0.5%
down spread, ±0.25% center spread, and ±0.3%
center spread
Uses external 14.318MHz crystal, external crystal load
caps are required for frequency tuning
Supports undriven differential CPU, SRC pair in PD#
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.
GND 1
56 VDDPCI
PCICLK3 2
55 PCICLK2
PCICLK4 3
54 PCICLK1
PCICLK5 4
53 PCICLK0
GND 5
52 Reset#
VDDPCI 6
51 REF0/FSLC
PCICLK_F0 7
50 REF1
FSLA/PCICLK_F1 8
49 GND
FSLB/PCICLK_F2 9
48 X1
VDD4810
47X2
**SEL24_48#/24_48MHz 11
46 VDDREF
USB_48MHz 12
45 SCLK
GND 13
44 SDATA
DOTT_ 96MHz 14
43 CPUCLKT0
DOTC_96MHz 15
42 CPUCLKC0
Vtt_PwrGd#/PD 16
41 VDDCPU
PCIEXT0 17
40 CPUCLKT1
PCIEXC0 18
39 CPUCLKC1
VDDPCIEX 19
38 GND
GND 20
37 IREF
PCIEXT1 21
36 GNDA
PCIEXC122
35VDDA
PCIEXT2 23
34 VDDPCIEX
PCIEXC224
33PCIEXT4
GND 25
32 PCIEXC4
SRCCLKT 26
31 PCIEXT3
SRCCLKC 27
30 PCIEXC3
VDDSRC 28
29 GND
IC
S
9541
19
56-Pin SSOP
** Internal Pull-Down Resistor
* Internal Pull-Up Resistor
Bit2
Bit1
Bit0
CPU
PCIEX
SRC
PCI
FSLC FSLB FSLA
MHz
0000
0
266.66
100.00
33.33
0000
1
133.33
100.00
33.33
0001
0
200.00
100.00
33.33
0001
1
166.66
100.00
33.33
0010
0
333.33
100.00
33.33
0010
1
100.00
33.33
0011
0
400.00
100.00
33.33
0011
1
200.00
100.00
33.33
0100
0
266.66
133.33
33.33
0100
1
133.33
33.33
0101
0
200.00
133.33
33.33
0101
1
166.66
125.00
33.33
0110
0
333.33
125.00
33.33
0110
1
100.00
133.33
33.33
0111
0
400.00
133.33
33.33
0111
1
200.00
133.33
33.33
1000
0
269.33
101.00
33.67
1000
1
134.66
101.00
33.67
1001
0
202.00
101.00
33.67
1001
1
168.33
101.00
33.67
1010
0
274.66
103.00
34.33
1010
1
137.33
103.00
34.33
1011
0
206.00
103.00
34.33
1011
1
171.66
103.00
34.33
1100
0
279.99
105.00
35.00
1100
1
140.00
105.00
35.00
1101
0
210.00
105.00
35.00
1101
1
174.99
105.00
35.00
1110
0
287.99
108.00
36.00
1110
1
144.00
108.00
36.00
1111
0
216.00
108.00
36.00
1111
1
179.99
108.00
36.00
* Entries 00111 & 01111 are 250MHz on the B & C revision.
Bit4
Bit3
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