ICS9UMS9633BI
Advance Information
ULTRA MOBILE PC CLOCK FOR INDUSTRIAL TEMPERATURE RANGE
MLF Pin Description (continued)
PIN #
PIN NAME
TYPE
DESCRIPTION
25 GNDSRC
PWR Ground pin for the SRC outputs
Complementary clock of differential 0.8V push-pull SRC output with integrated 33ohm
series resistor. No 50ohm resistor to GND needed.
True clock of differential 0.8V push-pull SRC output with integrated 33ohm series
resistor. No 50ohm resistor to GND needed.
26 SRCC0_LPR
27 SRCT0_LPR
OUT
OUT
IN
28 *CR#1
Clock request for SRC1, 0 = enable, 1 = disable
29 VDDCORE_3.3
30 VDDIO_1.5
PWR 3.3V power for the PLL core
PWR Power supply for low power differential outputs, nominal 1.5V.
Complementary clock of differential 0.8V push-pull SRC output with integrated 33ohm
series resistor. No 50ohm resistor to GND needed.
31 SRCC1_LPR
OUT
True clock of differential 0.8V push-pull SRC output with integrated 33ohm series
resistor. No 50ohm resistor to GND needed.
PWR Ground pin for the SRC outputs
32 SRCT1_LPR
33 GNDSRC
OUT
Complementary clock of differential 0.8V push-pull SRC output with integrated 33ohm
series resistor. No 50ohm resistor to GND needed.
34 SRCC2_LPR
OUT
True clock of differential 0.8V push-pull SRC output with integrated 33ohm series
resistor. No 50ohm resistor to GND needed.
Clock request for SRC2, 0 = enable, 1 = disable
Low threshold input for CPU frequency selection. Refer to input electrical
characteristics for Vil_FS and Vih_FS values.
35 SRCT2_LPR
36 *CR#2
OUT
IN
IN
37 FSB_L
Complementary clock of differential pair 0.8V push-pull CPU outputs with integrated
33ohm series resistor. No 50 ohm resistor to GND needed.
True clock of differential pair 0.8V push-pull CPU outputs with integrated 33ohm
series resistor. No 50 ohm resistor to GND needed.
38 CPUC2_LPR
39 CPUT2_LPR
OUT
OUT
40 GNDCPU
PWR Ground pin for the CPU outputs
41 VDDIO_1.5
42 VDDCORE_3.3
PWR Power supply for low power differential outputs, nominal 1.5V.
PWR 3.3V power for the PLL core
Complementary clock of differential pair 0.8V push-pull CPU outputs with integrated
33ohm series resistor. No 50 ohm resistor to GND needed.
True clock of differential pair 0.8V push-pull CPU outputs with integrated 33ohm
series resistor. No 50 ohm resistor to GND needed.
43 CPUC1_LPR
44 CPUT1_LPR
OUT
OUT
45 GNDCPU
PWR Ground pin for the CPU outputs
46 VDDIO_1.5
PWR Power supply for low power differential outputs, nominal 1.5V.
Complementary clock of differential pair 0.8V push-pull CPU outputs with integrated
33ohm series resistor. No 50 ohm resistor to GND needed.
True clock of differential pair 0.8V push-pull CPU outputs with integrated 33ohm
series resistor. No 50 ohm resistor to GND needed.
47 CPUC0_LPR
48 CPUT0_LPR
OUT
OUT
IDTTM/ICSTM Ultra Mobile PC Clock for Industrial Temperature Range
1451—01/20/09
6
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
