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| 型號： | ICS680G-01T |
| 英文描述： | Networking Clock Synthesizer and Zero Delay Buffer |
| 中文描述： | 網(wǎng)絡(luò)時鐘合成器和零延遲緩沖器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 107K |
| 代理商： | ICS680G-01T |
Networking Clock Synthesizer and Zero Delay Buffer
MDS 680-01 F
2
Revision 020305
Integrated Circuit Systems, Inc.
●
525 Race Street, San Jose, CA 95126
●
tel (408) 297-1201
●
www.icst.com
ICS680-01
Pin Assignment
Output Clock Select Table
Pin Descriptions
13
4
5
CLK1
8
9
10
25M
Q1
QFB
48M
Q2
VDD
17
16
VDD
3
S0
VDD
S1
18
PDTS
1
X1/ICLK
GND
VDD
20
X2
19
14
2
7
GND
GND
ICLK
VDD
15
6
24-pin TSSOP
11
12
GND
Q3
CLK2
Q4
21
22
23
24
S0
S1
CLK1 (MHz)
CLK2 (MHz)
M
M
OFF
48
0
0
50
48
0
1
66.6666
48
1
0
50
24
1
1
66.6666
24
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
X1/ICLK
XI
Crystal input. Connect this pin to a crystal or external clock source.
2
GND
Power
Connect to ground.
3
S0
Input
Select pin 0. See table above.
4
VDD
Power
Connect to voltage supply.
5
CLK1
Output
Selectable output clock. See table above. Weak internal pull-down when
tri-state.
6
GND
Power
Connect to ground.
7
GND
Power
Connect to ground.
8
Q1
Output
Clock output 1. Weak internal pull-down when tri-state.
9
Q2
Output
Clock output 2. Weak internal pull-down when tri-state.
10
VDD
Power
Connect to voltage supply.
11
Q3
Output
Clock output 3. Weak internal pull-down when tri-state.
12
Q4
Output
Clock output 4. Weak internal pull-down when tri-state.
13
GND
Power
Connect to ground.
14
CLK2
Output
Selectable output clock. See table above. Weak internal pull-down when
tri-state.
15
48M
Output
48 MHz output clock. Weak internal pull-down when tri-state.
16
VDD
Power
Connect to voltage supply.
17
QFB
Output
Feedback pin. Internally connected.
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