LV77F / LV77G Series 2.5 V
LVDS Clock Oscillators
May 2011
• Pletronics’ LV77F and LV77G Series is a quartz
crystal controlled precision square wave
generator with a fast rise and fall time LVDS
output.
• The package is designed for high density surface
mount designs.
• Tape and Reel or cut tape packaging is available.
• 5 x 7 mm LCC Ceramic Package
• Enable/Disable Function on pad 1
• Disable function includes low standby power
mode
• LV77F use Fundamental Mode Crystals
13MHz to 110MHz
• LV77G use 3
rd
Overtone Crystals
35MHz to 220MHz
• Low Jitter
Pletronics Inc. certifies this device is in accordance with the
RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s
Weight of the Device: 0.16 grams
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
-0.5V to +5.0V
-0.5V to V
CC
+ 0.5V
-0.5V to V
CC
+ 0.5V
-55
o
C to +150
o
C
Junction Temperature (T
j
)
Thermal Characteristics
The maximum die or junction temperature is 150
o
C
The thermal resistance junction to board is 30 to 50
o
C/Watt depending on the solder pads, ground plane
and construction of the PCB.
Product information is current as of publication date. The product conforms
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
Copyright © 2011, Pletronics Inc.
LV77F / LV77G Series 2.5 V
LVDS Clock Oscillators
May 2011
Part Number:
LV77
45
G
E
W
-125.0M
-XX
Packaging code or blank
T250
= 250 per Tape and Reel
T500
= 500 per Tape and Reel
T1K
= 1000 per Tape and Reel
Frequency in MHz
Supply Voltage V
CC
W
= 2.5V _ 10%
+
Optional Enhanced OTR
Blank
= Temp. range -10 to +70
o
C
C
= Temp. range -20 to +70
o
C
E
= Temp. range -40 to +85
o
C
Series Model
F
= Fundamental mode crystal
G
= 3
rd
Overtone mode crystal
Frequency Stability
45
= + 50 ppm
_
_
44
= + 25 ppm
20
= + 20 ppm
_
Series Model
Marking Legend:
PLE LV7t
ff.fff
M
C
YMDXX
PLE
= Pletronics
t
= Mode of operation ‘F’ or ‘G’
ff.fff
M = Frequency in MHz
YMD
= Date of Manufacture (year and week, or year-month-day)
All other marking is internal factory codes
Specifications such as frequency stability, supply voltage and operating temperature range, etc. are
not identified from the marking. External packaging labels and packing list will correctly identify the
ordered Pletronics part number.
Codes for Date Code YMD
Code
0
1
2
3
4
Code
A
B
C
D
E
F
G
H
J
K
L
M
Year
2010 2011 2012 2013 2014
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
LV77F / LV77G Series 2.5 V
LVDS Clock Oscillators
May 2011
Electrical Specification for 2.50V _10% over the specified temperature range
+
Item
Frequency Range
Min
13
35
Frequency Accuracy “45"
“44"
“20"
Supply Voltage Sensitivity
Output Waveform
Output High Level (V
OH
)
Output Low Level (V
OL
)
Output Offset Voltage
Output Symmetry
Output Swing
Jitter
-
0.90
1.125
45
250
-
-
Output T
RISE
and T
FALL
V
CC
Supply Current (I
CC
)
-
-
-
-
-
-
Disable current
V disable
V enable
Output leakage V
OUT
= V
CC
V
OUT
= 0V
Enable time
Disable time
Start up time
Operating Temperature
-
-
1.9
-10
-10
-
-
-
-10
- 20
- 40
Storage Temperature
Standby Current I
CC
-55
-
-50
-25
-20
-2
Typ
-
-
-
-
-
-
LVDS
1.43
1.10
-
-
350
-
-
150
12
16
12
16
20
24
-10
-
-
-
-
-
-
-
-
-
-
-
-
1.60
-
1.375
55
450
0.6
2.8
400
20
27
20
27
34
40
-
0.7
-
+10
+10
2
200
2
+70
+70
+85
+125
10
volts
volts
volts
%
mV
pS RMS
pS RMS
pS
mA
output crossing point
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
< 80MHz
$
80MHz
< 90MHz
$
90 MHZ to > 125MHz
$
125MHz to > 160MHz
$
160MHz
Pad 1 = 0.0 volts
Referenced to pad 3
Referenced to pad 3
Pad 1 low, device disabled
“F” series devices
“G” series devices
See load circuit
See load circuit
See load circuit
Max
110
220
+50
+25
+20
2
ppm
For V
CC
change of +10%
_
Unit
MHz
MHz
ppm
Condition
For “F” series devices
For “G” series devices
For all supply voltages, load changes, aging
for 1 year, shock, vibration and temperatures
mA
uA
volts
volts
uA
uA
mS
nS
mS
o
o
o
o
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
C
C
C
C
uA
Pad 1 low, device disabled
Specifications with Pad 1 E/D open circuit unless stated otherwise
www.pletronics.com
425-776-1880
3
LV77F / LV77G Series 2.5 V
LVDS Clock Oscillators
May 2011
Typical Phase-Noise Response
0
-20
-40
dBc/Hz
-60
-80
-100
-120
-140
-160
10
1,000
100,000
10,000,000
Frequency (Hz)
Load Circuit
Test Waveform
Symmetry
Vhigh
80%
50%
20%
Vlow
Trise
Tfall
Out
Out*
Showing Out Measurement only
www.pletronics.com
425-776-1880
4
LV77F / LV77G Series 2.5 V
LVDS Clock Oscillators
May 2011
Reliability
: Environmental Compliance
Parameter
Mechanical Shock
Vibration
Solderability
Thermal Shock
Condition
MIL-STD-883 Method 2002, Condition B
MIL-STD-883 Method 2007, Condition A
MIL-STD-883 Method 2003
MIL-STD-883 Method 1011, Condition A
ESD Rating
Model
Human Body Model
Charged Device Model
Minimum Voltage
1500
1000
Conditions
MIL-STD-883 Method 3115
JESD 22-C101
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New
Bar code is 39-Full ASCII
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
www.pletronics.com
425-776-1880
5
聊聊、笑笑、闹闹
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
