48 MHz Tiny USB Clock Source
P R E L I M I N A R Y I N F O R M AT I O N
ICS5OSK482
48 MHz Tiny USB Clock Source
Description
The ICS5OSK482 is a low...
Description
P R E L I M I N A R Y I N F O R M AT I O N
ICS5OSK482
48 MHz Tiny USB Clock Source
Description
The ICS5OSK482 is a low cost integrated clock synthesizer solution designed for replacing crystals and crystal oscillators. The ICS5OSK482 generates a very accurate 48.00 MHz clock output.
Features
25 MHz crystal input The 48.00 MHz CLK output is USB2.0 reference
clock compliant
www.DataSheet4U.com
Output duty cycle 45/55% (worst case) Advanced, low-power CMOS process Industrial temperature range (-40 to +85°C) Packaged in 5-pin TSOT 3.3 V supply voltage Pb (lead) free package available Short term C-C Jitter of 100 ps
Block Diagram
VDD
X1
X2
Crystal Oscillator
PLL
CLK
External capacitors are required with a crystal input.
GND
MDS 5OSK482 B Integrated Circuit Systems, Inc.
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1
525 Race Street, San Jose, CA 95126
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Revision 111805 tel (408) 297-1201
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www.icst.com
P R E L I M I N A R Y I N F O R M AT I O N
ICS5OSK482 48 MHz Tiny USB Clock Source
Pin Assignment
X1 GND CLK 1 2 3 4 VDD 5 X2
Pin Descriptions
www.DataSheet4U.com Pin
Number 1 2 3 4 5
Pin Name X1 GND CLK VDD X2
Pin Type Input Power Output Power Output Connect to ground.
Pin Description 25 MHz crystal input. Connect to a parallel resonant fundamental crystal. PLL output clock. Internal pull-down resistor. Connect to 3.3 V. 25 MHz crystal output.
External Components
External Crystal
The ICS5OSK482 requires a 14.31818 MHz crystal. In order to minimize ppm errors, the PCB should inclu...
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