ICS501
LOCO™
PLL Clock Multiplier
Pin Assignment
Clock Output Table
S1 S0
CLK
Minimum Input
0
X1/ I CLK
VDD
GND
S1
1
2
3
4
8
7
6
5
X2
OE
S0
CLK
0
0
M
M
M
8 Pi n ( 150 mi l ) SOI C
1
1
1
0
M
1
0
M
1
0
M
1
4X input
5.3125X input
5X input
6.25X input
2X input
3.125X input
6X input
3X input
8X input
per page 4
20 MHz
per page 4
4 MHz
per page 4
8 MHz
per page 4
per page 4
per page 4
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
24
30
32
33.33
37.5
40
48
50
60
62.5
10
M, M
64
12
M, M
66.66
10
1, M
72
16
M, M
75
16.66
M, M
80
12
M, 1
83.33
10
0, 0
90
12
0, 0
100
16.66
1, M
106.25
10
1, 0
120
20
M, 1
125
16
0, 0
16.66
0, 0
12
1, 0
12
M, 0
10
1, 1
16.66
0, 1
15
1, 0
20
0, 1
20
0, M
15
1, 1
20
M, 0
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
Pin
Name
XI/ICLK
VDD
GND
S1
CLK
S0
OE
X2
Pin
Type
Input
Power
Power
Tri-level Iinput
Output
Tri-level Input
Input
Output
Pin Description
Crystal connection or clock input.
Connect to +3.3 V or +5 V.
Connect to ground.
Select 1 for output clock. Connect to GND or VDD or float.
Clock output per table above.
Select 0 for output clock. Connect to GND or VDD or float.
Output enable. Tri-states CLK output when low. Internal pull-up.
Crystal connection. Leave unconnected for clock input.
MDS 501 K
In te grated Circuit Systems
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