ICS9LRS4103 Datasheet, PDF (8/15 Pages) Integrated Device Technology – 32-pin CK505 for Intel Systems

ICS9LRS4103
PC MAIN CLOCK
Table 1: CPU Frequency Select Table
FSLC
B0b7
0 (Default)
1
CPU
MHz
133.33
100.00
SRC
MHz
100.00
REF DOT
MHz MHz
14.318 96.00
1. FS_LC is a low-threshold input.Please see V_{IL_FS} and V_{IH_FS} specifications in
the Input/Supply/Common Output Parameters Table for correct values.
Also refer to the Test Clarification Table.
Table 3: Device ID table
B8b7 B8b6 B8b5 B8b4
Comment
Table 2: IO_Vout select table
B9b2
B9b1
B9b0
IO_
Vout
0
0
0 0.3V
0
0
1 0.4V
0
1
0 0.5V
0
1
1 0.6V
1
0
0 0.7V
1
0
1 0.8V
1
1
0 0.9V
1
1
1 1.0V
0
0
0
0 56 pin TSSOP
0
0
0
1 64 pin TSSOP
0
0
1
0
Reserved
0
0
1
1
Reserved
0
1
0
0
Reserved
0
1
0
1
72 pin QFN
0
1
1
0
Reserved
0
1
1
1
Reserved
1
0
0
0
32 pin QFN
1
0
0
1
Reserved
1
0
1
0
Reserved
1
0
1
1
Reserved
1
1
0
0
Reserved
1
1
0
1
Reserved
1
1
1
0
Reserved
1
1
1
1
Reserved
Table 4: Series Resistors for REF Output
Number of Loads REF
D.C.Drive
Strength
to Drive
1
1
Strength
1x
2x
2
2x
Rs
33^Ω [39^Ω]
39^Ω [43^Ω]
27^Ω [33^Ω]
Notes:
1. Preferred drive strengths using CK505 clock sources. Transmission
2. Desktop/Mobile Platforms with Zo = 50/55 ohms use the first resistor value.
3. Systems with Zo = 60 ohms use the resistor values in brackets [ ].
IDT^® PC MAIN CLOCK
8
1520A—03/16/10