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参数资料
| 型号： | 951601AFLFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 66.66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, GREEN, MO-118, SSOP-48 |
| 文件页数： | 5/12页 |
| 文件大小： | 168K |
| 代理商： | 951601AFLFT |
2
ICS951601
Preliminary Product Preview
0663C—10/04/05
Pin Descriptions
Pin number
Pin name
Type
Description
1
REF0
OUT
Reference output
2, 13, 18, 21, 26,
33, 38, 46
VDD
PWR
3.3V Power supply
3
X1
IN
Crystal input,nominally 14.318MHz.
4
X2
OUT
Crystal output, nominally 14.318MHz.
9, 44
VDDA
PWR
Analog 3.3V Power supply
10, 30, 36, 42
SELxx
IN
Real time PCI output frequency selection pins
5, 14, 17, 22, 27,
32, 39, 47
GND
PWR
Ground pins
6SDATA
I/O
Data pin for I
2C circuitry 5V tolerant
7SCLK
IN
Clock input of I
2C input
8, 43
GNDA
PWR
Analog ground pins
24, 23, 20, 19,
16, 15, 12, 11,
PCI1A (7:0)
OUT
PCI clock outputs, selectable to be either
33.33 or 66.66MHz at 3.3V.
29, 28, 25
PCI1B (2:0)
OUT
PCI clock outputs, selectable to be either
33.33 or 66.66MHz at 3.3V.
35, 34, 31
PCI2A (2:0)
OUT
PCI clock outputs, selectable to be either
33.33 or 66.66MHz at 3.3V.
41, 40, 37
PCI2B (2:0)
OUT
PCI clock outputs, selectable to be either
33.33 or 66.66MHz at 3.3V.
45
SPREAD
IN
Enables Spread Spectrum, default is on.
48
48MHz
OUT
Fixed 48MHz clock output for USB.
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