PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS840-77
77.76MH
Z
, LVCMOS/LVTTL
O
SCILLATOR
R
EPLACEMENT
Test Conditions
Minimum
Typical
77.76
0.205
2.82
2.85
2.18
n = 2 to 50000 cycles
Time at minimum operating voltage
to be 0 s
20% to 80%
650
50
4. 0
10
Maximum
Units
MHz
ps
ps
ps
ps
ps
ms
ps
%
T
ABLE
6. AC C
HARACTERISTICS
,
V
DD
= V
DDO
= 3.3V±0.3V, T
A
= 0°C
TO
70°C
Symbol
f
OUT
t
DJ
t
RJ
t
RMS
t
p-p
t
acc
t
OSC
t
R
/ t
F
Parameter
Output Frequency
Deterministic Jitter ; NOTE 1
Random Jitter ; NOTE 1
RMS of Total Distribution (
σ
);
NOTE 1
Peak-to-Peak Jitter ; NOTE 1
Accumulated Jitter (
σ
);
NOTE 1
Oscillation Star t Up Time
Output Rise/Fall Time
odc
Output Duty Cycle
NOTE 1: Measured using Wavecrest SIA-3000.
840AG-77
www.icst.com/products/hiperclocks.html
4
REV. A NOVEMBER 7, 2005
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
