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參數資料
| 型號： | 952302AGT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | 6.10 MM, 0.50 MM PITCH, MO-153, TSSOP-48 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 153K |
| 代理商： | 952302AGT |
Integrated
Circuit
Systems, Inc.
ICS952302
0957B—10/05/04
Frequency Generator for Transmeta
TM EfficeonTM
Pin Configuration
Recommended Application:
Transmeta Efficion, ATi M6
Output Features:
3 - CPUs @ 3.3V including 1 free running
CPUCLK_F
7 - PCI @ 3.3V, including 4 free running PCICLK_F
1 - 27MHz clock @ 3.3V
2 - 48MHz clocks @ 3.3V
2 - REF clocks @3.3V
Key Specifications:
CPU output jitter: < 250ps
PCI output skew: < 250ps
CPUT - PCI output skew: 1-3ns
27MHz Accuracy < 50ppm
48MHz Accuracy < 50ppm
Functionality
Features:
Support I2C Index read/write and block read/write
operations.
Uses external 14.318MHz referience input or XTAL.
Full Load Power consumption reduced >10%
compared to reference device
Power management via SMBus
00
0
+/-0.3
00
1
+/-0.6
01
0
+/-0.25
01
1
+/-0.45
10
0
-0.60%
10
1
-1.20%
11
0
-0.50%
11
1
-0.90%
DOWN
Spread
%
Byte 4b7
Byte 4b6
Byte 4b5
CENTER
VDDREF
148 REF1
REF0
247 VDDCPU
GNDREF
346 N/C
X1
445 CPUCLK0
X2
544 GNDCPU
VDDPCI
643 CPUCLK1
PCICLK_F0
742 CPUCLK_F
PCICLK_F1
841 CPU_STOP#
GNDPCI
940 GND
PCICLK0
10
39 N/C
PCICLK1
11
38 OE*
PCICLK_F2
12
37 N/C
PCICLK_F3
13
36 VDD
VDDPCI
14
35 N/C
PCICLK2
15
34 VDD27
GNDPCI
16
33 GND
N/C
17
32 27MHZ
N/C
18
31 N/C
VDDCOR
19
30 N/C
PCI_STOP#
20
29 N/C
**PD#
21
28 GND48
GND48
22
27 VDD48
SDATA
23
26 48MHZ_1
SCLK
24
25 48MHZ_0
48-TSSOP
* Internal Pull-Up Resistor
**No Diode Clamp to VDD
IC
S95
2302
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