PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS83032I
75MH
Z
, 3
RD
O
VERTONE
O
SCILLATOR
W
/D
UAL
LVCMOS/LVTTL O
UTPUTS
A
PPLICATION
I
NFORMATION
F
REQUENCY
S
TABILITY
The table shown below provides a basic guideline in se-
lecting the proper quartz crystal that meets a timing budget
of ±100ppm. For more information on selecting the proper
crystal, see the application note,
Crystal Timing Budget
and Accuracy for FemtoClock™
.
Parameter
Frequency Tolerance
Frequency Stability
Aging for 5 Years
Accuracy of 3
rd
Over tone Oscillator
Load Capacitance Accuracy
Total Overall Timing Error
Typical
±30
±30
Units
ppm
ppm
ppm
ppm
ppm
ppm
±15
±1 0
±3
±88
R
ECOMMENDATIONS FOR
U
NUSED
O
UTPUT
P
INS
O
UTPUTS
:
LVCMOS O
UTPUT
:
All unused LVCMOS output can be left floating. We recommend
that there is no trace attached.
83032AGI
www.icst.com/products/hiperclocks.html
7
REV. B FEBRUARY 13, 2006
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
