參數(shù)資料
型號: ICS952302
英文描述: Frequency Generator for TransmetaTM
中文描述: 頻率發(fā)生器TransmetaTM
文件頁數(shù): 1/15頁
文件大?。?/td> 128K
代理商: ICS952302
Integrated
Circuit
Systems, Inc.
ICS952302
0957B—10/05/04
Frequency Generator for Transmeta
TM
Efficeon
TM
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
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
+/-0.3
+/-0.6
+/-0.25
+/-0.45
-0.60%
-1.20%
-0.50%
-0.90%
DOWN
Spread
%
Byte 4b7
Byte 4b6
Byte 4b5
CENTER
VDDREF
1
REF0
2
GNDREF
3
48
REF1
47
VDDCPU
46
N/C
45
CPUCLK0
44
GNDCPU
43
CPUCLK1
42
CPUCLK_F
41
CPU_STOP#
40
GND
39
N/C
38
OE*
37
N/C
36
VDD
35
N/C
34
VDD27
33
GND
32
27MHZ
31
N/C
30
N/C
29
N/C
28
GND48
27
VDD48
26
48MHZ_1
25
48MHZ_0
X1
4
X2
5
VDDPCI
6
PCICLK_F0
7
PCICLK_F1
8
GNDPCI
9
PCICLK0
10
PCICLK1
11
PCICLK_F2
12
PCICLK_F3
13
VDDPCI
14
PCICLK2
15
GNDPCI
16
N/C
17
N/C
18
VDDCOR
19
PCI_STOP#
20
**PD#
21
GND48
22
SDATA
23
SCLK
24
48-TSSOP
* Internal Pull-Up Resistor
**No Diode Clamp to VDD
I
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