ICS9LPRS480 데이터 시트보기 (PDF) - Integrated Device Technology
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ICS9LPRS480
Integrated Device Technology
ICS9LPRS480 Datasheet PDF : 25 Pages
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Integrated
Circuit
Systems, Inc.
ICS9LPRS480
MLF Pin Description
PIN #
PIN NAME
1 GND48
2 SMBCLK
3 SMBDAT
4 VDD27
PIN TYPE
GND
IN
I/O
PWR
DESCRIPTION
Ground pin for the 48MHz outputs
Clock pin of SMBus circuitry, 5V tolerant.
Data pin for SMBus circuitry, 5V tolerant.
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
7 GND27
8 SRC4C_LPRS
9 SRC4T_LPRS
10 GNDSRC
11 VDDSRC_IO
12 SRC3C_LPRS
13 SRC3T_LPRS
14 SRC2C_LPRS
15 SRC2T_LPRS
16 VDDSRC
17 VDDSRC_IO
18 GNDSRC
19 SRC1C_LPRS
20 SRC1T_LPRS
21 SRC0C_LPRS
22 SRC0T_LPRS
23 *CLKREQ0#
24 GNDATIG
25 VDDATIG_IO
26 VDDATIG
27 ATIG1C_LPRS
28 ATIG1T_LPRS
29 ATIG0C_LPRS
30 ATIG0T_LPRS
31 SB_SRC1C_LPRS
32 SB_SRC1T_LPRS
OUT
GND
OUT
OUT
GND
PWR
OUT
OUT
OUT
OUT
PWR
PWR
GND
OUT
OUT
OUT
OUT
IN
GND
PWR
PWR
OUT
OUT
OUT
OUT
OUT
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
Ground for the SRC/27MHz outputs
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
Ground pin for the SRC outputs
Power supply for differential SRC outputs, nominal 1.05V to 3.3V
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
Supply for SRC core, 3.3V nominal
Power supply for differential SRC outputs, nominal 1.05V to 3.3V
Ground pin for the SRC outputs
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
Complement clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND
and no 33 ohm series resistor needed)
True clock of low power differential SRC clock pair. (no 50ohm shunt resistor to GND and no 33
ohm series resistor needed)
Clock Request pin for SRC0 outputs. If output is selected for control, then that output is controlled
as follows:
0 = enabled, 1 = Low-Low
Ground pin for the ATIG outputs
Power supply for differential ATIG outputs, nominal 1.05V to 3.3V
Power supply for ATIG core, nominal 3.3V
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)
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)
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)
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)
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
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
1391D—02/02/09
2
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