MK3724 データシートの表示（PDF） - Integrated Circuit Systems
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MK3724 Datasheet PDF : 8 Pages
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MK3724
VCXO PLUS AUDIO CLOCK FOR STB
Pin Assignment
X2
X1
VDD
VDD
VIN
GND
GND
PDTS
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
16-pin TSSOP
S1
NC
VDD
S0
27M
GND
ACLK
S2
Audio Clock Select Table
S2 S1 S0
000
001
010
011
100
101
110
111
ACLK (MHz)
3.072
4.096
6.144
8.192
12.288
24.576
33.8688
73.728
Pin Descriptions
Pin
Number
Pin
Name
1
X2
2
X1
3
VDD
4
VDD
5
VIN
6
GND
7
GND
8
PDTS
9
S2
10
ACLK
11
GND
12
27M
13
S0
Pin
Type
Pin Description
Output Crystal connection. Connect to a 27 MHz fundamental mode
pullable crystal.
Input Crystal connection. Connect to a 27 MHz fundamental mode
pullable crystal.
Power Connect to +3.3 V.
Power Connect to +3.3 V.
Input Voltage input to VCXO. Changing the voltage between 0 to 3.3 V
controls the VCXO frequency.
Power Connect to ground.
Power Connect to ground.
Power Power Down Tri-state. This pin powers down entire chip and
tri-states the outputs when low. Internal pull-up resistor.
Input Select input S2. Selects ACLK per table above. Internal pull-up
resistor.
Output Audio clock output per table above.
Power Connect to ground.
Output 27 MHz reference clock output.
Input Select input S0. Selects ACLK per table above. Internal pull-up
resistor.
MDS 3724 C
2
Revision 121904
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
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