ICS502
LOCO™ PLL CLOCK MULTIPLIER
CLOCK MULTIPLIER
Pin Assignment
Clock Decoding Table (MHz)
S1 S0
0
0
1
0
1
0
1
CLK
x2
x5
x3
x3.33
x4
x2.5
X1/ I CLK
VDD
GND
REF
1
2
3
4
8
7
6
5
X2
S1
S0
CLK
0
M
M
1
1
8 Pi n (150 mi l ) SOI C
Minimum input frequency for all selections is per table on
page 3.
0 = connect directly to ground
1 = connect directly to VDD
M = leave unconnected (floating)
Common Output Frequency Examples (MHz)
Output
Input
Selection (S1, S0)
Output
Input
Selection (S1, S0)
20
10
0, 0
64
16
1, 0
25
10
1, 1
66.66
20
M, 1
30
10
M, 0
72
24
M, 0
32
16
0, 0
75
15
0, 1
33.33
10
M, 1
80
20
1, 0
37.5
15
1, 1
81
27
M, 0
40
20
0, 0
90
27
M, 1
48
16
M, 0
100
20
0, 1
50
20
1, 1
108
27
1, 0
54
13.5
1, 0
120
24
0, 1
60
20
M, 0
135
27
0, 1
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
Pin
Name
XI/ICLK
VDD
GND
REF
CLK
S0
S1
X2
Pin
Type
Input
Power
Power
Output
Output
Input
Input
Input
Pin Description
Crystal connection or clock input.
Connect to +3.3 V or +5 V.
Connect to ground.
Buffered crystal oscillator output clock.
Clock output per table above.
Select 0 for output clock. Connect to GND or VDD.
Select 1 for output clock. Connect to GND or VDD or float.
Crystal connection. Leave unconnected for clock input.
IDT™ / ICS™
LOCO™ PLL CLOCK MULTIPLIER
2
ICS502
REV M 051310
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
