參數(shù)資料
型號： PE7744DEW-FREQ-T500
廠商： PLETRONICS INC
元件分類： XO, clock
英文描述： CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 325 MHz, PECL OUTPUT
封裝： ROHS COMPLIANT, CERAMIC, LCC-6
文件頁數(shù)： 3/8頁
文件大?。?/td> 153K
代理商： PE7744DEW-FREQ-T500
PE77D Series 2.5 V
PECL Clock Oscillators
April 2007
www.pletronics.com
425-776-1880
3
Electrical Specification for 2.50V +
_5% over the specified temperature range and
the frequency range of 40 to 325 MHz
Item
Min
Max
Unit
Condition
Frequency Accuracy “45"
-50
+50
ppm
For all supply voltages, load changes, aging for 1
year, shock, vibration and temperatures
“44"
-25
+25
“20"
-20
+20
Output Waveform
PECL /ECL
Output High Level (0oC to 85oC)
1.475
1.760
volts
Referenced to Ground, V
CC = 2.5 V
0.975
1.260
volts
Referenced to termination voltage, V
CC = 2.5 V
-1.025 -0.740
volts
Referenced to Vcc, V
CC = 2.5 V
Output High Level (-40oC)
1.415
1.620
volts
Referenced to Ground, V
CC = 2.5 V
0.915
1.12
volts
Referenced to termination voltage, V
CC = 2.5 V
-1.085
-0.88
volts
Referenced to Vcc, V
CC = 2.5 V
Output Low Level (0oC to 85oC)
0.690
1.095
volts
Referenced to Ground, V
CC = 2.5 V
0.190
0.595
volts
Referenced to termination voltage, V
CC = 2.5 V
-1.810 -1.405
volts
Referenced to Vcc, V
CC = 2.5 V
Output Low Level (-40oC)
0.670
1.195
volts
Referenced to Ground, V
CC = 2.5 V
0.170
0.695
volts
Referenced to termination voltage, V
CC = 2.5 V
-1.830 -1.305
volts
Referenced to Vcc, V
CC = 2.5 V
Output Symmetry
45
55
%
at 50% point of V
CC
(See load circuit)
Jitter
-
0.6
pS RMS
12 KHz to 20 MHz from the output frequency
-
2.8
pS RMS
10 Hz to 1 MHz from the output frequency
Output T
RISE and TFALL
-
0.7
nS
Vth is 20% and 80% of waveform
V
CC Supply Current (ICC)-
90
mA
Enable/Disable Internal Pull-up
50
-
Kohm
to V
CC
V disable
-
0.6
volts
Referenced to pad 3
V enable
1.7
-
volts
Referenced to pad 3
Output leakage
V
OUT = VCC
-10
+10
uA
Pad 1 low, device disabled
V
OUT = 0V
-10
+10
uA
Enable time
-
10
nS
Time for output to reach a logic state
Disable time
-
10
nS
Time for output to reach a high Z state
Start up time
-
10
mS
Time for output to reach specified frequency
Operating Temperature Range
-10
+70
oC
Standard Temperature Range
- 40
+85
oC
Extended Temperature Range
“E” Option
Storage Temperature Range
-55
+125
oC
Standby Current I
CC
-
3
uA
Pad 1 low, device disabled
Specifications with Pad 1 E/D open circuit
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