SM77H Series 5.0V
CMOS Clock Oscillators
April 2010
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: 0.17 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e4
Absolute Maximum Ratings:
Parameter
V
CC
Supply Voltage
Vi
Vo
Io
Input Voltage
Output Voltage
Output Current
DI
SC
Thermal Characteristics
The maximum die or junction temperature is 155
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.
ON
Unit
-0.5V to +7.0V
-0.5V to V
CC
+ 0.5V
-0.5V to V
CC
+ 0.5V
+25 mA to -25 mA
Copyright © 2010, Pletronics Inc.
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.
TI
NU
E
• Pletronics’ SM77H Series is a quartz crystal
controlled precision square wave generator with a
CMOS output.
• The package is designed for high density surface
mount designs.
• This is a low cost mass produced oscillator.
• Tape and Reel or cut tape packaging is available.
0.8 to 70 MHz
5 x 7 mm LCC Ceramic Package
Enable/Disable or Standby Function
Disable function includes low standby power
mode
• Low Jitter
D
•
•
•
•
SM77H Series 5.0 V
CMOS Clock Oscillators
April 2010
Part Number:
SM77
45
H
E
Y
- 25.0M
-XX
Packaging code or blank
T250
= 250 per Tape and Reel
T500
= 500 per Tape and Reel
T1K
= 1,000 per Tape and Reel
Frequency in MHz
Supply Voltage V
CC
Y
= 5.0V _ 10%
+
(Y is only included in the part number
if the Enhanced OTR is not chosen)
Examples:
SM77HE, SM7745HY
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
Frequency Stability
45
= + 50 ppm
_
44
= + 25 ppm
_
20
= + 20 ppm
_
Series Model
Part Marking and Marking Legend:
PLE SM77
FF.FFF
M
C
YMDxx
PLE SM77
FF.FFF
M
C
YYWWxx
DI
Code
Day
Code
Day
1
1
H
17
2
2
J
18
SC
Codes for Date Code YMD
3
3
K
19
4
4
L
20
5
5
M
21
www.pletronics.com
PLE
= Pletronics
FF.FFF
M
= Frequency in MHz
YYWW or YWW or
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.
Code
Code
A
0
1
2
3
4
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
ON
7xYWWxx
FF.FFF
M
C
PLE
xxx
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
425-776-1880
TI
2
NU
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SM77H Series 5.0 V
CMOS Clock Oscillators
April 2010
Electrical Specification for 5.0V _10% over the specified temperature range
+
Item
Frequency Range
Frequency Accuracy “45"
“44"
“20"
Output Waveform
Output High Level
Output Low Level
Output Symmetry
Jitter
90
-
45
-
Min
0.8
-50
-25
-20
Max
69.9
+50
+25
+20
CMOS
-
10
55
0.6
Unit
MHz
ppm
Condition
For all supply voltages, load changes, aging for
1 year, shock, vibration and temperatures
Enable/Disable Internal Pull-up
V disable
V enable
Output leakage
V
OUT
= V
CC
Standby Current I
CC
Enable time
SC
Start up time
-
3
Operating Temperature Range
-10
-20
-40
Storage Temperature Range
-55
www.pletronics.com
Disable time
ON
-10
+10
uA
V
OUT
= 0V
-10
-
+10
3
uA
uA
-
100
nS
-
100
nS
mS
o
TI
-
2.5
-
pS RMS
Kohm
%
50
-
to V
CC
30
-
of V
CC
applied to pin 1
70
%
+70
+70
C
C
C
C
o
+85
DI
+125
425-776-1880
NU
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%
of V
CC
(See load circuit)
%
%
at 50% point of V
CC
(See load circuit)
pS RMS
12 KHz to 20 MHz from the output frequency
10 Hz to 1 MHz from the output frequency
Pin 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
Extended Temperature Range
“C” Option
“E” Option
o
o
D
3
SM77H Series 5.0 V
CMOS Clock Oscillators
April 2010
Electrical Specification for 5.0V _10% over the specified temperature range
+
Item
Output T
RISE
and T
FALL
Typ
-
-
V
CC
Supply Current (I
CC
)
-
-
-
-
-
-
-
-
Max
5
8
13
17
26
65
17
23
29
70
Unit
nS
nS
mA
Condition
All
All
< 8 MHz
C
LOAD
= 15 pF
mA
mA
mA
mA
mA
mA
mA
Specifications with Pad 1 E/D open circuit
Typical phase noise plot for 5 oscillators at different output frequencies.
ON
0
-20
-40
-60
-80
TI
> 35 MHz
19.4M
25M
32M
50M
66.7M
DI
10
SC
-100
-120
-140
-160
-180
1,000
100,000
10,000,000
dBc/Hz
Frequency (Hz)
www.pletronics.com
425-776-1880
NU
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> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz
< 8 MHz
> 8 MHz and < 16 MHz
C
LOAD
= 30 pF
10% to 90% of V
CC
See Load Circuit
> 16 MHz and < 35 MHz
D
C
LOAD
=30 pF
C
LOAD
= 15 pF
10% to 90% of V
CC
See Load Circuit
4
SM77H Series 5.0 V
CMOS Clock Oscillators
April 2010
Load Circuit and Test Waveform
Vhigh
90% * Vcc
50% * Vcc
10% * Vcc
Vlow
Ground
Symmetry
Reliability
: Environmental Compliance
Parameter
Mechanical Shock
Vibration
Condition
Solderability
Thermal Shock
ESD Rating
Model
SC
Human Body Model
1500
Charged Device Model
1000
DI
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New
Bar code is 39-Full ASCII
ON
MIL-STD-883 Method 2003
Minimum Voltage
Conditions
JESD 22-C101
425-776-1880
TI
MIL-STD-883 Method 2002, Condition B
MIL-STD-883 Method 2007, Condition A
MIL-STD-883 Method 1011, Condition A
MIL-STD-883 Method 3115
www.pletronics.com
NU
E
Trise
Tfall
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
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嵌入式系统
