PE77J Series 2.5 V
PECL Clock Oscillators
November 2018
• Pletronics’ PE77J Series is a quartz crystal
controlled precision square wave generator with a
PECL output.
• Im proved phase noise perform ance.
• Low cost m ass produced oscillator.
• Tape and Reel or cut tape packaging is available.
• 5 x 7 m m LCC Ceram ic Package
• Enable/Disable Function on pad 1
• Disable function includes low standby power
m ode
• Fundam ental and 3
rd
Overtone Crystals used
• Im proved circuit to m inim ize oscillator issues
such as m ulti-m ode output signal.
• Low Jitter Product
100 fS Jitter 12.0 KHz - 20.0 MHz @ 156.25 MHZ
Pletronics Inc. certifies this device is in accordance with the
RoHS 6/6 (2011/65/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadm ium , Hexavalent Chrom ium , Lead, Mercury, PBB’s, PBDE’s
W eight of the Device: 0.16 gram s
Moisture Sensitivity Level: 1 As defined in J-STD-020D.1
Second Level Interconnect code: e4
Absolute Maximum Ratings:
Parameter
V
CC
Supply Voltage
Vi
Vo
Input Voltage
Output Voltage
Unit
-0.3V to +4.0V
-0.3V to V
CC
+ 0.3V
-0.3V to V
CC
+ 0.3V
Thermal Characteristics
The m axim um die or junction tem perature is 125
o
C
The therm al resistance junction to board is 30 to 50
o
C/W att depending on the solder pads, ground plane
and construction of the PCB.
P roduct inform ation is current as of publication date. T he product conform s
to specifications per the term s of the P letronics standard warranty. Production
processsing does not necessarily include testing of all param eters.
Copyright © 2018, Pletronics Inc.
PE77J Series 2.5 V
PECL Clock Oscillators
November 2018
Part Number:
PE77
45
J
E
W
-125.0M
-XX
Available
Frequencies:
Packaging code or blank
T250
= 250 per Tape and Reel
T500
= 500 per Tape and Reel
T1K
= 1000 per Tape and Reel
Frequency in M Hz
Supply Voltage V
CC
W
= 2.5V _ 10%
+
Optional Enhanced OTR
Blank
= Tem p. range -10 to +70
o
C
C
= Tem p. range -20 to +70
o
C
E
= Tem p. range -40 to +85
o
C
Series M odel
Frequency Stability
45
= + 50 ppm
_
44
= + 25 ppm
_
20
= _ 20 ppm
+
Series M odel
Part M arking:
PLE PE77
FF.FFF
M
C
YMDXX
or
PE7XYW W XX
FF.FFF
M
C
PLE XXX
100.0M Hz
106.25M Hz
125.0M Hz
133.0M Hz
156.25M Hz
Contact factory
for other options
M arking Legend:
PLE = Pletronics
FF.FFF
M = Frequency in MHz
YYW W or YW W or
YMD
= Date of Manufacture (year and week, or year-m onth-day)
All other m arking is internal factory codes
Specifications such as frequency stability, supply voltage and operating tem perature range, etc. are
not identified from the m arking. External packaging labels and packing list will correctly identify the
ordered Pletronics part num ber.
Codes for Date Code YM D
Code
6
Code
A
7
8
9
0
B
C
D
E
F
G
H
J
K
L
M
Year
2016 2017 2018 2019 2020
Month
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Code
Day
Code
Day
1
1
H
17
2
2
J
18
3
3
K
19
4
4
L
20
5
5
M
21
6
6
N
22
7
7
P
23
8
8
R
24
9
9
T
25
A
10
U
26
B
11
V
27
C
12
W
28
D
13
X
29
E
14
Y
30
F
15
Z
31
G
16
www.pletronics.com
425-776-1880
2
PE77J Series 2.5 V
PECL Clock Oscillators
November 2018
Electrical Specification for 2.50V +5% over the specified temperature range and
_
the frequency range of 25 to 175 MHz
Item
Frequency Accuracy “45"
“44"
“20"
Output Waveform
Output High Level
Output Low Level
Output Symmetry
Jitter
1
1.475
0.690
45
-
-
Output T
RISE
and T
FALL
V
CC
Supply Current (I
CC
)
Enable/Disable Internal Pull-up
V disable
V enable
Output leakage
Enable time
V
OUT
= V
CC
V
OUT
= 0V
-
-
50
-
1.7
-10
-10
-
Min
-50
-25
-20
Typ
-
-
-
Max
+50
+25
+20
Unit
ppm
Condition
For all supply voltages, load changes,
aging for 1 year, shock, vibration and
temperatures
PECL /ECL
1.55
0.80
-
0.1
1.25
-
-
-
-
-
-
-
-
1.620
0.880
55
-
-
0.5
60
-
0.7
-
+10
+10
2
V
V
%
pS RMS
pS RMS
nS
mA
Kohm
V
V
uA
uA
mS
Time for output to reach a logic state, the
output frequency is correct at the specified
Start Time.
Time for output to reach a high Z state
Time for output to reach specified
frequency
Standard Temperature Range
Extended Temperature Range
Extended Temperature Range
“C” Option
“E” Option
to V
CC
, measured with Pad 1 = 0.0 volts
Referenced to pad 3, 0.3 V
CC
Referenced to pad 3, 0.7 V
CC
Pad 1 low, device disabled
V
CC
= 2.5 V
V
CC
= 2.5 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
Disable time
Start up time
Operating Temperature Range
-
-
-10
- 20
- 40
-
-
-
-
-
-
200
10
+70
+70
+85
+125
nS
mS
o
o
o
o
C
C
C
C
Storage Temperature Range
-55
Standby Current I
CC
-
-
30
uA
Pad 1 low, device disabled
1
Jitter computed from phase noise data at 156.25MHz
Specifications with Pad 1 E/D open circuit unless stated otherwise
www.pletronics.com
425-776-1880
3
PE77J Series 2.5 V
PECL Clock Oscillators
November 2018
Typical Phase Noise
www.pletronics.com
425-776-1880
4
PE77J Series 2.5 V
PECL Clock Oscillators
November 2018
Load Circuit
Test Waveform
www.pletronics.com
425-776-1880
5
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