ICS84324 Datasheet, PDF (4/14 Pages) Integrated Circuit Systems – CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
TABLE 4. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
PRELIMINARY
ICS84324
CRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER WITH FANOUT BUFFER
Test Conditions
Minimum Typical Maximum
Fundamental
25
25.5
50
7
Units
MHz
Ω
pF
TABLE
5.
AC
CHARACTERISTICS,
V
CC
=
V
CCA
=
V
CCO
=
3.3V±5%,
TA
=
0°C
TO
70°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
F_OUT
tsk(o)
Output Frequency
Output Skew; NOTE 1, 2
53.125
125
TBD
t_R
Output Rise Time
t_F
Output Fall Time
odc
Output Duty Cycle
20% to 80%
20% to 80%
200
650
200
650
50
t_PW
Output Pulse Width
t_PERIOD/2 - TBD
t_PERIOD/2 + TBD
t_LOCK
PLL Lock Time
1
See Parameter Measurement Information section.
NOTE 1: Defined as skew between outputs at the same supply voltage and with equal load conditions.
Measured at V_CCO/2.
NOTE 2: This parameter is defined in accordance with JEDEC Standard 65.
Units
MHz
ps
ps
ps
%
ps
ms
84324EM
www.icst.com/products/hiperclocks.html
4
REV. A SEPTEMBER 18, 2003