ICS8732-01 Datasheet, PDF (3/17 Pages) Integrated Device Technology – Maximum output frequency

TABLE 2. PIN CHARACTERISTICS
Symbol
C_IN
R_PULLUP
R_PULLDOWN
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
ICS8732-01
LOW VOLTAGE, LOW SKEW
3.3V LVPECL CLOCK GENERATOR
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
kΩ
kΩ
TABLE 3A. CONTROL INPUT FUNCTION TABLE FOR QA0:QA3 OUTPUTS
Inputs
Outputs
MR PLL_SEL DIV_SELA1 DIV_SELA0 QA0:QA3, nQA0:nQA3
1
X
X
X
Low
0
1
0
0
fVCO/2
0
1
0
1
fVCO/4
0
1
1
0
fVCO/6
0
1
1
1
fVCO/8
0
0
0
0
fREF_CLK/2
0
0
0
1
fREF_CLK/4
0
0
1
0
fREF_CLK/6
0
0
1
1
fREF_CLK/8
TABLE 3B. CONTROL INPUT FUNCTION TABLE FOR QB0:QB3 OUTPUTS
Inputs
Outputs
MR PLL_SEL DIV_SELB1 DIV_SELB0 QB0:QB3, nQB0:nQB3
1
X
X
X
Low
0
1
0
0
fVCO/2
0
1
0
1
fVCO/4
0
1
1
0
fVCO/8
0
1
1
1
fVCO/12
0
0
0
0
fREF_CLK/2
0
0
0
1
fREF_CLK/4
0
0
1
0
fREF_CLK/8
0
0
1
1
fREF_CLK/12
8732AY-01
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3
REV. E MAY 2, 2013