参数资料
型号: ICS548G-05CILF
元件分类: 时钟产生/分配
英文描述: 49.152 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: MO-153, TSSOP-16
文件页数: 2/6页
文件大小: 132K
代理商: ICS548G-05CILF
T1/E1 Clock Multiplier
MDS 548-05C B
2
Revision 072704
Integrated Circuit Systems, Inc.
525 Race Street, San Jose, CA 95126 tel (408) 297-1201 www.icst.com
ICS548-05C
Pin Assignment
Output Clock Selection Table
Power Down Clock Selection Table
Key: 0 = connect directly to GND; 1 = connect directly
to VDD
Pin Descriptions
Key: XI, XO = crystal connections; the in put pin MSEL must be tied directly to VDD or GND.
For a clock input, connect the input X1 and leave X2 unconnected (floating).
12
1
11
2
10
X1/ICLK
X2
3
9
VDD
4
VDD
DC
5
REFEN
6
REFOUT
7
GND
8
GND
MSEL
GND
PDCLK
GND
DC
VDD
CLK
16
15
14
13
16-pin TSSOP
MSEL
Input (MHz)
CLK (MHz)
Pin 13
PIns 1, (16)
PIn 9
0
1.544
24.704
1
1.544
37.056
0
2.048
32.768
1
2.048
49.152
REFEN PDCLK
Power Down Selection Mode
Pin 4
PIn 11
0
The entire chip is off.
0
1
PLL and clock output run, REFOUT low.
1
0
REFOUT running, PLL off, CLK low.
1
All running.
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
X1/ICLK
XI
Crystal connection. Connect this pin to a crystal or clock input.
2, 3, 8
VDD
Power
Connect to +3.3 V or +5 V. All VDD’s must be the same.
4
REFEN
Input
Reference Clock Enable. See table above. Connect to GND for best jitter/phase
noise.
5, 6, 7, 12
GND
Power
Connect to ground.
9
CLK
Output
Clock output set by input status of MSEL. See table above.
10, 15
DC
Don’t Connect. Do not connect these pins to anything.
11
PDCLK
Input
Power down clock. See table above.
13
MSEL
Input
Multiplier select pin. Selects x16 when low, x24 when high.
14
REFOUT
Output
Buffered reference output clock. Controlled by REFEN.
16
X2
XO
Crystal connection. Connect this pin to a crystal or leave unconnected for a clock.
相关PDF资料
PDF描述
ICS552R-01ALF OTHER CLOCK GENERATOR, PDSO20
ICS552R-01AI OTHER CLOCK GENERATOR, PDSO20
ICS552R-01AILF OTHER CLOCK GENERATOR, PDSO20
ICS552R-01CI OTHER CLOCK GENERATOR, PDSO20
ICS552R-01C OTHER CLOCK GENERATOR, PDSO20
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