ICS307-03
SERIALLY PROGRAMMABLE CLOCK SOURCE
SER PROG CLOCK SYNTHESIZER
Table 3. Charge Pump Current
Charge Pump Current (µA)
1.25
2.5
2.5
3.75
3.75
5
5
5
6.25
7.5
7.5
7.5
8.75
10
10
10
11.25
12.5
15
15
15
17.5
18.75
20
20
22.5
25
26.25
30
30
35
40
93
1
1
1
1
1
1
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
92
1
1
1
0
1
0
1
1
1
1
1
0
0
0
0
1
0
1
0
1
0
0
1
0
0
1
1
0
0
1
0
0
Bits
91
1
0
1
1
1
0
0
1
1
0
0
1
1
0
0
0
1
1
0
0
1
1
1
0
0
0
1
1
0
0
1
0
128
0
0
0
0
1
0
0
1
0
0
1
0
0
0
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
127
0
0
1
0
0
0
1
1
0
0
0
1
0
0
1
1
0
1
0
1
1
1
0
1
1
0
1
0
0
1
1
1
Rule
Icp = ([128...127]+1)*1.25µA*([93 92 91] + 1)
Table 4. Loop Filter Resistor
Bits
Resistor Value
64 k
52 k
16 k
4k
90
0
0
1
1
89
0
1
0
1
IDT™ / ICS™
SERIALLY PROGRAMMABLE CLOCK SOURCE
4
ICS307-03
REV J 090209