ICS9LPRS462 Datasheet, PDF (3/23 Pages) Integrated Device Technology – Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs

ICS9LPRS462
Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
Pin Description (Continued)
PIN #
PIN NAME
TYPE
33 *CLKREQC#
IN
34 ATIG2C_LPR
35 ATIG2T_LPR
36 ATIG1C_LPR
37 ATIG1T_LPR
38 GNDATIG
39 VDDATIG
40 ATIG0C_LPR
41 ATIG0T_LPR
42 SRC1C_LPR
43 SRC1T_LPR
44 VDDSRC
45 GNDSRC
46 SRC0C_LPR
47 SRC0T_LPR
48 NC
49 GNDA
50 VDDA
51 CPUKG1C_LPR
52 CPUKG1T_LPR
53 GNDCPU
54 VDDCPU
55 CPUKG0C_LPR
56 CPUKG0T_LPR
OUT
OUT
OUT
OUT
GND
PWR
OUT
OUT
OUT
OUT
PWR
GND
OUT
OUT
NC
GND
PWR
OUT
OUT
GND
PWR
OUT
OUT
57 *CLKREQA#
58 GNDHTT
59 HTTCLK0
60 VDDHTT
61 **PD
62 FS2/REF2
63 FS1/REF1
64 FS0/REF0
IN
PWR
OUT
PWR
IN
I/O
I/O
I/O
DESCRIPTION
Programmable Clock Request pin for SRC/ATIG/SB_SRC outputs. If output is selected
for control, then that output is controlled as follows:
0 = Enabled, 1 = Tri-state
Complementary clock of low-power differential push-pull PCI-Express pair with
integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
True clock of low-power differential push-pull PCI-Express pair with integrated 33 ohm
series resistor. (no 50ohm shunt resistor to GND needed)
Complementary clock of low-power differential push-pull PCI-Express pair with
integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
True clock of low-power differential push-pull PCI-Express pair with integrated 33 ohm
series resistor. (no 50ohm shunt resistor to GND needed)
Ground pin for the ATIG outputs
Power supply for ATIG core, nominal 3.3V
Complementary clock of low-power differential push-pull PCI-Express pair with
integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
True clock of low-power differential push-pull PCI-Express pair with integrated 33 ohm
series resistor. (no 50ohm shunt resistor to GND needed)
Complement clock of low power differential SRC clock pair with integrated 33 ohm
series resistor. (no 50ohm shunt resistor to GND needed)
True clock of low power differential SRC clock pair with integrated 33 ohm series
resistor. (no 50ohm shunt resistor to GND needed)
Supply for SRC, 3.3V nominal
Ground pin for the SRC outputs
Complement clock of low power differential SRC clock pair with integrated 33 ohm
series resistor. (no 50ohm shunt resistor to GND needed)
True clock of low power differential SRC clock pair with integrated 33 ohm series
resistor. (no 50ohm shunt resistor to GND needed)
No Connect
Ground for the Analog Core
3.3V Power for the Analog Core
Complementary signal of low-power differential push-pull AMD K8 "Greyhound" clock
with integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
True signal of low-power differential push-pull AMD K8 "Greyhound" clock with
integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
Ground pin for the CPU outputs
Supply for CPU, 3.3V nominal
Complementary signal of low-power differential push-pull AMD K8 "Greyhound" clock
with integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
True signal of low-power differential push-pull AMD K8 "Greyhound" clock with
integrated 33 ohm series resistor. (no 50ohm shunt resistor to GND needed)
Programmable Clock Request pin for SRC/ATIG/SB_SRC outputs. If output is selected
for control, then that output is controlled as follows:
0 = Enabled, 1 = Tri-state
Ground pin for the HTT outputs
3.3V single ended 66MHz hyper transport clock
Supply for HTT clocks, nominal 3.3V.
Enter /Exit Power Down.
1 = Power Down, 0 = normal operation.
Frequency select latch input pin/ 3.3V 14.318MHz reference clock
Frequency select latch input pin/ 3.3V 14.318MHz reference clock
Frequency select latch input pin/ 3.3V 14.318MHz reference clock
IDT^TM/ICS^TM Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
3
1378A—04/07/08