PE7845DEV Datasheet, PDF (3/8 Pages) Pletronics, Inc. – PE78D Series 3.3 V PECL Clock Oscillators

PE78D Series 3.3 V
PECL Clock Oscillators
January 2008
Electrical Specification for 3.30V _+10% over the specified temperature range
Item
Min Max
Unit Condition
Frequency Range
40 250
MHz Consult factory for higher frequency
Frequency Accuracy “45"
“44"
-50 +50
-25 +25
ppm For all supply voltages, load changes, aging for 1
year, shock, vibration and temperatures
“20"
-20 +20
Output Waveform
PECL /ECL
Output High Level (0^oC to 85^oC) 2.275 2.420 volts
0.975 1.120 volts
-1.025 -0.880 volts
Output High Level (-40^oC)
2.216 2.420 volts
0.916 1.120 volts
-1.084 -0.88 volts
Output Low Level (0^oC to 85^oC) 1.490 1.680 volts
0.190 0.380 volts
-1.810 -1.620 volts
Output Low Level (-40^oC)
1.470 1.745 volts
0.170 0.445 volts
-1.830 -1.555 volts
Output Symmetry
45
55
%
Jitter
- 0.13 pS RMS
-
2.8 pS RMS
Output T_RISE and T_FALL
V_CC Supply Current (I_CC)
Enable/Disable Internal Pull-up
-
0.7
nS
-
90
mA
50
-
Kohm
V disable
-
0.6
volts
V enable
2.40 -
volts
Output leakage
Enable time
V_OUT = V_CC
V_OUT = 0V
-10 +10
uA
-10 +10
uA
-
10
nS
Disable time
-
10
nS
Start up time
-
10
mS
Operating Temperature Range
-10 +70
o_C
- 40 +85
o_C
Storage Temperature Range
-55 +125
o_C
Standby Current I_CC
-
3
uA
Specifications with Pad 2 E/D open circuit
Referenced to Ground, V_CC = 3.3 V
Referenced to termination voltage, V_CC = 3.3 V
Referenced to Vcc, V_CC = 3.3 V
Referenced to Ground, V_CC = 3.3 V
Referenced to termination voltage, V_CC = 3.3 V
Referenced to Vcc, V_CC = 3.3 V
Referenced to Ground, V_CC = 3.3 V
Referenced to termination voltage, V_CC = 3.3 V
Referenced to Vcc, V_CC = 3.3 V
Referenced to Ground, V_CC = 3.3 V
Referenced to termination voltage, V_CC = 3.3 V
Referenced to Vcc, V_CC = 3.3 V
at 50% point of V_CC (See load circuit)
12 KHz to 20 MHz from the output frequency
10 Hz to 1 MHz from the output frequency
Vth is 20% and 80% of waveform
to V_CC
Referenced to pad 3
Referenced to pad 3
Pad 1 low, device disabled
Time for output to reach a logic state
Time for output to reach a high Z state
Time for output to reach specified frequency
Standard Temperature Range
Extended Temperature Range “E” Option
Pad 1 low, device disabled
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