參數(shù)資料
型號(hào)： 954206BFT
廠(chǎng)商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi)： 時(shí)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, M0-118N, SSOP-56
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 315K
代理商： 954206BFT
Integrated
Circuit
Systems, Inc.
ICS954206B
Advance Information
0940—06/23/05
Pin Configuration
Recommended Application:
CK410M Compliant Main Clock
Output Features:
2 - 0.7V current-mode differential CPU pairs
4 - 0.7V current-mode differential PCI Express*pairs
1 - 0.7V current-mode differential CPU/PCI Express
selectable pair
1 - 0.7V current-mode differential SATA pair
1 - 0.7V current-mode differential LCDCLK/PCI Express
selectable pair
4 - PCI (33MHz)
2 - PCICLK_F, (33MHz) free-running
1 - USB, 48MHz
1 - DOT, 96MHz, 0.7V current differential pair
2 - REF, 14.318MHz
Programmable Timing Control Hub for Mobile P4 Systems
Key Specifications:
CPU outputs cycle-cycle jitter < 85ps
PCI Express outputs cycle-cycle jitter < 125ps
SATA outputs cycle-cycle jitter < 125ps
PCI outputs cycle-cycle jitter < 500ps
+/- 300ppm frequency accuracy on CPU, PCI Express
and SATA clocks
+/- 100ppm frequency accuracy on USB clocks
Features/Benefits:
Supports tight ppm accuracy clocks for Serial-ATA and
PCI Express
Supports programmable spread percentage and
frequency
Uses external 14.318MHz crystal, external crystal load
caps are required for frequency tuning
Supports undriven differential CPU, PCI Express pair
in PD for power management.
PEREQ# pins to support PCI Express and SATA 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.
Table 1: Frequency Selection Table
FSLC B6b2 FSLB B6b1 FSLA B6b0
CPU
MHz
PCIEX
MHz
PCI
MHz
REF
MHz
USB
MHz
DOT
MHz
Spread %
0
266.66
100.00
33.33
14.318
48.00
96.00
0.5% Down
0
1
133.33
100.00
33.33
14.318
48.00
96.00
0.5% Down
0
1
0
200.00
100.00
33.33
14.318
48.00
96.00
0.5% Down
0
1
166.66
100.00
33.33
14.318
48.00
96.00
0.5% Down
1
0
333.33
100.00
33.33
14.318
48.00
96.00
0.5% Down
1
0
1
100.00
33.33
14.318
48.00
96.00
0.5% Down
1
0
400.00
100.00
33.33
14.318
48.00
96.00
0.5% Down
1
200.00
100.00
33.33
14.318
48.00
96.00
0.5% Down
*Other names and brands may be claimed as the property of others.
VDDPCI 1
56 PCICLK2/REQ_SEL**
GND 2
55 PCI/SRC_STOP#
PCICLK3 3
54 CPU_STOP#
PCICLK4 4
53 REF1/FSLC/TEST_SEL
PCICLK5 5
52 REF0
GND 6
51 GND
VDDPCI 7
50 X1
ITP_EN/PCICLK_F0 8
49 X2
*SELPCIEX_LCDCLK#/PCICLK_F1 9
48 VDDREF
Vtt_PwrGd#/PD 10
47 SDATA
VDD48 11
46 SCLK
FSLA/USB_48MHz 12
45 GND
GND 13
44 CPUCLKT0
DOTT_96MHz 14
43 CPUCLKC0
DOTC_96MHz 15
42 VDDCPU
FSLB/TEST_MODE 16
41 CPUCLKT1
LCDCLK_SS/PCIEX0T 17
40 CPUCLKC1
LCDCLK_SS/PCIEX0C 18
39 IREF
PCIEXT119
38GNDA
PCIEXC120
37VDDA
VDDPCIEX 21
36 CPUCLKT2_ITP/PCIEXT6
PCIEXT2 22
35 CPUCLKC2_ITP/PCIEXC6
PCIEXC2 23
34 VDDPCIEX
PCIEXT3 24
33 PEREQ1#*/PCIEXT5
PCIEXC3 25
32 PEREQ2#*/PCIEXC5
SATACLKT 26
31 PCIEXT4
SATACLKC 27
30 PCIEXC4
VDDPCIEX 28
29 GND
56-pin SSOP & TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
IC
S
9
542
06B
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