ICS8538-31 Datasheet, PDF (5/14 Pages) Integrated Device Technology – LOW SKEW, 1-TO-8, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER

ICS8538-31
LOW SKEW, 1-TO-8, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER
Table 5. Crystal Characteristics
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
Test Conditions
Minimum Typical Maximum
Fundamental
14
40
50
7
1
Units
MHz
Ω
pF
mW
AC Electrical Characteristics
Table 6. AC Characteristics, V_CC = V_CCO = 3.3V±5%, V_EE = 0V, T_A = 0°C to 70°C
Parameter Symbol
Test Conditions
Minimum
f_MAX
t_PD
tsk(o)
Output Frequency
Propagation Delay; NOTE 1
Output Skew; NOTE 2, 4
tsk(pp)
Part-to-Part Skew; NOTE 3, 4
t_R / t_F
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
200
45
Typical
Maximum
266
2.2
50
250
700
55
Units
MHz
ns
ps
ps
ps
%
All parameters measured at f_MAX unless noted otherwise.
NOTE 1: Measured from V_CC/2 input crossing point to the differential output crossing point.
NOTE 2: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at the output differential
cross points.
NOTE 3: Defined as skew between outputs on different devices operating at the same supply voltages and with equal load conditions.
Using the same type of inputs on each device, the outputs are measured at the differential cross points.
NOTE 4: This parameter is defined in accordance with JEDEC Standard 65.
IDT™ / ICS™ LVPECL FANOUT BUFFER
5
ICS8538BG-31 REV. B FEBRUARY 5, 2008