ICS840-77 Datasheet, PDF (4/9 Pages) Integrated Circuit Systems – 77.76MHZ, LVCMOS/LVTTL OSCILLATOR REPLACEMENT

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS840-77
77.76MHZ, LVCMOS/LVTTL
OSCILLATOR REPLACEMENT
TABLE 6. AC CHARACTERISTICS, V_DD = V_DDO = 3.3V±0.3V, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
f
Output Frequency
OUT
t_DJ
Deterministic Jitter; NOTE 1
t_RJ
Random Jitter; NOTE 1
t_RMS
RMS of Total Distribution (σ);
NOTE 1
t_p-p
Peak-to-Peak Jitter; NOTE 1
t_acc
Accumulated Jitter (σ);
NOTE 1
n = 2 to 50000 cycles
t
Oscillation Start Up Time
OSC
Time at minimum operating voltage
to be 0 s
t_R / t_F
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
NOTE 1: Measured using Wavecrest SIA-3000.
Minimum
Typical
77.76
0.205
2.82
Maximum
Units
MHz
ps
ps
2.85
ps
2.18
ps
4.0
ps
10
ms
650
ps
50
%
840AG-77
www.icst.com/products/hiperclocks.html
4
REV. A NOVEMBER 7, 2005