ICS84327AMT View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
MFG CO.
ICS84327AMT
Integrated Circuit Systems
'ICS84327AMT' PDF : 15 Pages View PDF
Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS84327
CRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
TABLE 5. CRYSTAL CHARACTERISTICS
Parameter
Test Conditions
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
NOTE: Characterized using an 18pf parallel resonant crystal.
Minimum Typical Maximum
Fundamental
19.44
25.5
50
7
Units
MHz
Ω
pF
TABLE 6A. AC CHARACTERISTICS, VCC = VCCA = VCCO = 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum Typical
FOUT
tsk(o)
Output Frequency
Output Skew; NOTE 1, 2
77.76
30
tR / tF
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
200
50
t
LOCK
PLL Lock Time
See Parameter Measurement Information section.
NOTE 1: Defined as skew between outputs at the same supply voltage and with equal load conditions.
Measured at the output differential crossing points.
NOTE 2: This parameter is defined in accordance with JEDEC Standard 65.
Maximum
625
700
1
Units
MHz
ps
ps
%
ms
TABLE
6B.
AC
CHARACTERISTICS,
V
CC
=
V
CCA
=
3.3V±5%,
V
CCO
=
2.5V±5%,
TA
=
0°C
TO
70°C
Symbol Parameter
Test Conditions
Minimum Typical
FOUT
tsk(o)
Output Frequency
Output Skew; NOTE 1, 2
77.76
30
tR / tF
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
200
50
t
LOCK
PLL Lock Time
See Parameter Measurement Information section.
NOTE 1: Defined as skew between outputs at the same supply voltage and with equal load conditions.
Measured at the output differential crossing points.
NOTE 2: This parameter is defined in accordance with JEDEC Standard 65.
Maximum
625
700
1
Units
MHz
ps
ps
%
ms
84327AM
www.icst.com/products/hiperclocks.html
4
REV. A SEPTEMBER 18, 2003
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