ICS503 データシートの表示（PDF） - Integrated Circuit Systems
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ICS503 Datasheet PDF : 4 Pages
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Pin Assignment
PRELIMINARY INFORMATION
ICS503
LOCO™ PLL Clock Multiplier
X1/ICLK 1
VDD 2
GND 3
NC 4
8 X2
7 S1
6 S0
5 CLK
Clock Decoding Table (MHz)
S1 S0 Multiplier Typical Input (MHz) CLK (MHz) Input Range (MHz) at 5V Input Range (MHz) at 3.3V
00
10
10
100
2 ≤ Input ≤ 16
2 ≤ Input ≤ 10
0M
16
10
160
2 ≤ Input ≤ 10
2 ≤ Input ≤ 6
0 1 1.1111
27
30.00
20 ≤ Input ≤ 50
20 ≤ Input ≤ 40
M 0 2.4444
14.31818
35.00
10 ≤ Input ≤ 50
10 ≤ Input ≤ 40
M M 2.4164
14.31818
34.60
10 ≤ Input ≤ 50
10 ≤ Input ≤ 40
M1
2.4
14.31818
34.36
10 ≤ Input ≤ 50
10 ≤ Input ≤ 40
1 0 5.5873
14.31818
80.00
14 ≤ Input ≤ 28
14 ≤ Input ≤ 18
1 M 1.1827
14.31818
16.934
14 ≤ Input ≤ 30
14 ≤ Input ≤ 30
1 1 4.1905
14.31818
60.00
5 ≤ Input ≤ 38
5 ≤ Input ≤ 24
0 = connect directly to ground, 1 = connect directly to VDD, M = leave unconnected (floating).
Pin Descriptions
Number
1
2
3
4
5
6
7
8
Name
X1/ICLK
VDD
GND
NC
CLK
S0
S1
X2
Type
I
P
P
-
O
TI
TI
O
Description
Crystal connection or clock input.
Connect to +3.3V or +5V.
Connect to ground.
Nothing is connected to this pin.
Clock output per Table above. Output frequency equals input frequency times multiplier.
Select 0 for output clock. Connect to GND or VDD or float.
Select 1 for output clock. Connect to GND or VDD or float.
Crystal connection. Leave unconnected for clock input.
Key: I = Input, TI = Tri-Level Input, O = output, P = power supply connection
MDS 503 A
2
Revision 111000
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel • www.icst.com
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