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ICS8442I Datasheet, PDF (15/15 Pages) Integrated Circuit Systems – 700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SYNTHESIZER
Integrated
Circuit
Systems, Inc.
ICS8442I
700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL
LVDS FREQUENCY SYNTHESIZER
Rev Table
T5
B
T6
B
T7
C
T6
T7
T12
REVISION HISTORY SHEET
Page
6
6
6
9
1
2
6
6
9
10
14
Description of Change
Input Frequency Characteristics Table - corrected minimum values from 14MHz to
10MHz and corrected within the note.
Crystal Characteristics - corrected minimum frequency from 14MHz to 10MHz.
AC Characteristics Table - added Note 4.
Added Application Note, "Differential Duty Cycle Improvement".
Changed XTAL1/2 naming convention to XTAL_IN/_OUT throughout the
datasheet.
Pin Assignment, corrected pin 24 to read XTAL_OUT from XTAL1 and pin 25 to
XTAL_IN from XTAL2.
Updated Figure 1, Parallel & Serial Load Operations diagram.
Crystal Characteristics Table - added Drive Level
AC Characteristics Table - changed test conditions for Cycle-to-Cycle Jitter from
ƒ ≥ = 350MHz to N = 1, 2 and ƒ< 350MHz to N = 4.
Corrected Crystal Input Interface diagram.
Updated Schematic Layout diagram.
Add Lead-Free note to Ordering Information Table.
Date
9/17/04
12/16/04
5/10/05
8442AYI
www.icst.com/products/hiperclocks.html
15
REV. C MAY 10, 2005