
ICS8430S07AKI REVISION A SEPTEMBER 3, 2009
4
2009 Integrated Device Technology, Inc.
ICS8430S07I Data Sheet
CLOCK GENERATOR FOR CAVIUM PROCESSORS
Table 2. Pin Characteristics
NOTE: VDDO_X denotes VDDO_B, VDDO_C, VDDO_D and VDDO_REF.
Function Tables
Table 3A. QB Output Control Input Function Table
Table 3B. QA Output Control Input Function Table
Table 3C. QC Output Control Input Function Table
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
CIN
Input Capacitance
2pF
CPD
Power Dissipation Capacitance
(per output)
VDD, VDDO_X = 3.465V
4
pF
VDD = 3.465V, VDDO_X = 2.625V
4
pF
RPULLUP
Input Pullup Resistor
51
k
RPULLDOWN Input Pulldown Resistor
51
k
ROUT
Output Impedance
QB, QC, QD,
QREF[0:2]
VDDO_X = 3.465V
15
QB, QC, QD,
QREF[0:2]
VDDO_X = 2.625V
20
Input
Output Frequency
CORE_SEL
QB
0 (default)
50MHz
1
33.333MHz
Inputs
Output Frequency
DDR_SEL1
DDR_SEL0
QA, nQA
0 (default)
133.333MHz
0
1
100.000MHz
1
0
83.333MHz
1
125.000MHz
Inputs
Output Frequency
PCI_SEL1
PCI_SEL0
QC
0 (default)
133.333MHz
0
1
100.000MHz
1
0
66.6667MHz
1
33.333MHz