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参数资料
| 型号： | 9LPRS480YKLFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PQCC64 |
| 封装： | ROHS COMPLIANT, PLASTIC, MLF-64 |
| 文件页数： | 12/25页 |
| 文件大小： | 249K |
| 代理商： | 9LPRS480YKLFT |
2
Integrated
Circuit
Systems, Inc.
ICS9LPRS480
1391D—02/02/09
MLF Pin Description
PIN #
PIN NAME
PIN TYPE
DESCRIPTION
1
GND48
GND
Ground pin for the 48MHz outputs
2
SMBCLK
IN
Clock pin of SMBus circuitry, 5V tolerant.
3
SMBDAT
I/O
Data pin for SMBus circuitry, 5V tolerant.
4
VDD27
PWR
3.3V Power supply for SRC/27MHz output and 27MHz SS PLL
5
SRC7C_LPRS/27MHz_NS
OUT
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)/27MHz 3.3V Single-ended non-spread output for discrete graphics
6
SRC7T_LPRS/27MHz_SS
OUT
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)/27MHz 3.3V Single-ended spreading output for discrete
graphics
7
GND27
GND
Ground for the SRC/27MHz outputs
8
SRC4C_LPRS
OUT
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
9
SRC4T_LPRS
OUT
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
10
GNDSRC
GND
Ground pin for the SRC outputs
11
VDDSRC_IO
PWR
Power supply for differential SRC outputs, nominal 1.05V to 3.3V
12
SRC3C_LPRS
OUT
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
13
SRC3T_LPRS
OUT
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
14
SRC2C_LPRS
OUT
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
15
SRC2T_LPRS
OUT
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
16
VDDSRC
PWR
Supply for SRC core, 3.3V nominal
17
VDDSRC_IO
PWR
Power supply for differential SRC outputs, nominal 1.05V to 3.3V
18
GNDSRC
GND
Ground pin for the SRC outputs
19
SRC1C_LPRS
OUT
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
20
SRC1T_LPRS
OUT
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
21
SRC0C_LPRS
OUT
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
22
SRC0T_LPRS
OUT
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
23
*CLKREQ0#
IN
Clock Request pin for SRC0 outputs. If output is selected for control, then that output is controlled
as follows:
0 = enabled, 1 = Low-Low
24
GNDATIG
GND
Ground pin for the ATIG outputs
25
VDDATIG_IO
PWR
Power supply for differential ATIG outputs, nominal 1.05V to 3.3V
26
VDDATIG
PWR
Power supply for ATIG core, nominal 3.3V
27
ATIG1C_LPRS
OUT
Complementary clock of low-power differential push-pull PCI-Express pair with integrated series
resistor. (no 50ohm shunt resistor to GND and no 33 ohm series resistor needed)
28
ATIG1T_LPRS
OUT
True clock of low-power differential push-pull PCI-Express pair with integrated series resistor. (no
50ohm shunt resistor to GND and no 33 ohm series resistor needed)
29
ATIG0C_LPRS
OUT
Complementary clock of low-power differential push-pull PCI-Express pair with integrated series
resistor. (no 50ohm shunt resistor to GND and no 33 ohm series resistor needed)
30
ATIG0T_LPRS
OUT
True clock of low-power differential push-pull PCI-Express pair with integrated series resistor. (no
50ohm shunt resistor to GND and no 33 ohm series resistor needed)
31
SB_SRC1C_LPRS
OUT
Complement clock of low power differential Chipset-to-Chipset SRC clock pair. (no 50ohm shunt
resistor to GND and no 33 ohm series resistor needed
32
SB_SRC1T_LPRS
OUT
True clock of low power differential Chipset-to-Chipset SRC clock pair. (no 50ohm shunt resistor
to GND and no 33 ohm series resistor needed
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