MK2731-03C 데이터 시트보기 (PDF) - Integrated Circuit Systems
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MK2731-03C Datasheet PDF : 4 Pages
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Pin Assignment
MK2731-03C
MPEG Audio Clock Synthesizer
MK2731-03C
X2 1
X1 2
VDD 3
VDD 4
GND 5
GND 6
S2 7
GND 8
16 REF
15 NC
14 CLK2
13 S0
12 NC
11 S1
10 CLK1
9 DC
16 pin narrow (150 mil) SOIC
Output Clock Select Table (MHz)
Input S2 S1 S0 CLK1 CLK2 REF
27
0
0
0
Off 8.192 Off
27
0
0
1
Off 11.2896 Off
27
0
1
0
Off 12.288 Off
27
0
1
1
Off 24.576 Off
27
1
0
0 4.096 8.192 27
27
1
0
1 5.6448 11.2896 27
27
1
1
0 6.144 12.288 27
27
1
1
1 12.288 24.576 27
Key: 0 = connect pin directly to ground
1 = connect pin directly to VDD
Off = clock stopped low
Pin Descriptions
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
X2
X1
VDD
VDD
GND
GND
S2
GND
DC
CLK1
S1
NC
S0
CLK2
NC
REF
Type
XO
XI
P
P
P
P
I
P
-
O
I
-
I
O
-
O
Description
Crystal connection to a 27 MHz fundamental crystal. Leave unconnected for clock input.
Crystal connection to a 27 MHz fundamental crystal. Can also be connected to input clock.
VDD. Connect to VDD.
VDD. Connect to VDD.
Connect to ground.
Connect to ground.
Clock Select 2. Selects outputs per table above.
Connect to ground.
Do not connect anything to this pin.
Clock output 1 determined by status of S2, S1, S0. See table above.
Clock Select 1. Selects outputs per table above.
No Connect. Nothing is connected internally to this pin.
Clock Select 0. Selects outputs per table above.
Clock output 2 determined by status of S2, S1, S0. See table above.
No Connect. Nothing is connected internally to this pin.
Reference crystal output or off. See table above.
Key: I = Input, O = output, P = power supply connection
MDS 2731-03C D
2
Revision 011101
Integrated Circuit Systems, Inc.• 525 Race Street, San Jose, CA, 95126 • (408) 295-9800 tel • www.icst.com
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