ICS651-03 View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
MFG CO.
'ICS651-03' PDF : 7 Pages View PDF
Pin Assignment
X1 1
GND 2
PDTS 3
25M 4
GND 5
VDD 6
VDD 7
48M 8
16 X2
15 VDD
14 REF
13 VDD
12 VDD
11 VDD
10 GND
9 80M
16-pin (173 mil) TSSOP
ICS651-03
VOIP Clock Source
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin
Name
X1
GND
PDTS
25M
GND
VDD
VDD
48M
80M
GND
VDD
VDD
VDD
REF
VDD
X2
Pin
Type
Pin Description
Input Crystal connection. Connect to 27 MHz crystal input.
Power Connect to ground.
Input
Powers down entire chip and tri-states outputs when low. Internal
pull-up resistor.
Output 25 MHz clock output. Weak internal pull-down when tri-state.
Power Connect to ground.
Power Connect to +3.3 V.
Power Connect to +3.3 V.
Output 48 MHz clock output. Weak internal pull down when tri-state.
Output 80 MHz clock output. Weak internal pull down when tri-state.
Power Connect to ground.
Power Connect to +3.3 V.
Power Connect to +3.3 V.
Power Connect to +3.3 V.
Output Reference 27 MHz output. Weak internal pull-down when tri-state.
Power Connect to +3.3 V.
Output Crystal connection. Connect to 27 MHz crystal input.
MDS 651-03 A
2
Revision 112603
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201● www.icst.com
Share Link: 
