
ICS843021AG REVISION D OCTOBER 12, 2010
14
2010 Integrated Device Technology, Inc.
ICS843021 Data Sheet
FEMTOCLOCK CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
Revision History Sheet
Rev
Table
Page
Description of Change
Date
B
T5
T6
1
3
4
Added Function Table.
Features section - updated Crystal, Output Frequency & VCO range bullets.
Crystal Characteristics Table - changed Frequency from 25MHz typical to 14MHz min.
and 40MHz max. Added Note 1.
AC Characteristics Table - changed Output Frequency from 125MHz typical to 112MHz
min. and 140MHz max.
10/6/04
B
T11
12
Ordering Information Table - corrected count from 154 per tube to 100
10/15/04
C
T4A
3
Power Supply Table - increased VCC to 3.3V ± 10% from 5% and is reflected throughout
the datasheet.
11/3/04
C
T8
T9
T11
3
9
11
12
Absolute Maximum Ratings - corrected Package Thermal Impedance air flow.
Thermal Resistance Table - corrected air flow.
Corrected air flow in table.
Ordering Information Table - corrected marking.
11/30/04
C
T11
1
12
Features Section - added Lead-Free bullet.
Ordering Information Table - added Lead-Free part number.
3/31/05
D
T6
1
4
7
Features section - changed RMS phase jitter spec.
AC Characteristics Table - added maximum RMS Phase Jitter spec of 0.65ps.
Added LVCMOS to XTAL Interface section.
Added Termination for 3.3V LVPECL Output section.
Updated datasheet to new format.
11/21/07
D
T4B
T6
T11
3
6
7
13
LVPECL DC Characteristics Table - corrected VOH/VOL parameters from “Current” to
“Voltage” and units from “uA” to “V”.
AC Characteristics Table - added thermal note.
Updated text in “Power Supply Filtering Techniques”.
Updated “Overdriving the Crystal Interface” section.
Ordering Information Table - deleted “ICS” prefix for part/order column.
Updated header/footer.
10/12/10