參數(shù)資料
型號(hào): ICS651-03
英文描述: VOIP Clock Source
中文描述: 時(shí)鐘源的VOIP
文件頁(yè)數(shù): 2/7頁(yè)
文件大?。?/td> 116K
代理商: ICS651-03
VOIP Clock Source
MDS 651-03 A
2
Revision 112603
Integrated Circuit Systems
525 Race Street, San Jose, CA 95126
tel (408) 297-1201
www.icst.com
ICS651-03
Pin Assignment
Pin Descriptions
12
11
10
9
1
2
3
4
5
6
7
8
X1
GND
PDTS
VDD
REF
VDD
VDD
VDD
GND
25M
GND
VDD
VDD
48M
80M
16
15
14
13
X2
16-pin (173 mil) TSSOP
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
X1
Input
Crystal connection. Connect to 27 MHz crystal input.
2
GND
Power
Connect to ground.
3
PDTS
Input
Powers down entire chip and tri-states outputs when low. Internal
pull-up resistor.
4
25M
Output
25 MHz clock output. Weak internal pull-down when tri-state.
5
GND
Power
Connect to ground.
6
VDD
Power
Connect to +3.3 V.
7
VDD
Power
Connect to +3.3 V.
8
48M
Output
48 MHz clock output. Weak internal pull down when tri-state.
9
80M
Output
80 MHz clock output. Weak internal pull down when tri-state.
10
GND
Power
Connect to ground.
11
VDD
Power
Connect to +3.3 V.
12
VDD
Power
Connect to +3.3 V.
13
VDD
Power
Connect to +3.3 V.
14
REF
Output
Reference 27 MHz output. Weak internal pull-down when tri-state.
15
VDD
Power
Connect to +3.3 V.
16
X2
Output
Crystal connection. Connect to 27 MHz crystal input.
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