SM55T Series 5.0 V
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: 0.064 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 © 2006, 2007 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’ SM55 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.
D
•
•
•
•
0.8 to 80 MHz
3.2 x 5 mm LCC Ceramic Package
Enable/Disable Function
Disable function includes low standby power
mode
• Low Jitter
SM55T Series 5.0 V
CMOS Clock Oscillators
April 2010
Part Number:
SM55
45
T
E
Y
-75.0M
-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
Part Marking:
PFF.FFF M
C
YMDxx
or
PFF.FFF M
C
YYWWxx
or
PLE SM55
FF.FFF
M
CYMDxx
or
P5xYWWx
C
FF.FF Mxxx
or
5xYWWxx
FF.FFF
M
CPLE
xxx
Supply Voltage V
CC
Y
= 5.0V _ 10%
+
(Y is only included in part number if
Enhanced OTR is not chosen)
Examples: SM5545TE, SM5544TY
Optional Enhanced OTR
Blank
= Temp. range -10 to +70
o
C
C
= Temp. range -10 to +70
o
C
E
= Temp. range -40 to +85
o
C
Series Model
Marking Legend:
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
10
Code
A
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
6
6
N
22
7
7
P
23
8
8
R
24
9
9
T
25
425-776-1880
TI
Frequency Stability
45
= + 50 ppm
_
44
= + 25 ppm
_
20
= + 20 ppm
_
Series Model
A
10
U
26
B
11
V
27
C
12
W
28
NU
E
D
13
X
29
E
14
Y
30
F
15
Z
31
G
16
D
2
SM55T 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
-
-
Enable/Disable Internal Pull-up
V disable
V enable
Output leakage
V
OUT
= V
CC
V
OUT
= 0V
Standby Current I
CC
Enable time
Disable time
50
-
70
Min
0.8
-50
-25
-20
Max
80
+50
+25
+20
CMOS
-
10
55
0.6
2.5
-
30
-
Unit
MHz
ppm
For all supply voltages, load changes, aging for 1
year, shock, vibration and temperatures
Condition
pS RMS
pS RMS
Kohm
%
Start up time
Operating Temperature Range
ON
-
3
mS
o
o
o
o
TI
%
-10
+10
uA
Pad 1 low, device disabled
-10
-
+10
3
uA
uA
-
100
nS
-
100
nS
-10
+70
C
C
C
C
-20
-40
+70
+85
-55
+125
Storage Temperature Range
SC
Typical phase noise
plot for 5 oscillators at
different output
frequencies.
0
-20
-40
-60
-80
dBc/Hz
DI
-100
-120
-140
-160
-180
10
1,000
100,000
10,000,000
www.pletronics.com
425-776-1880
NU
E
%
of V
CC
(See load circuit)
%
%
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
to V
CC
of V
CC
applied to pad 1
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
19.4M
25M
32M
50M
66.7M
Frequency (Hz)
D
3
SM55T 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
Specifications with Pad 1 E/D open circuit
DI
SC
www.pletronics.com
425-776-1880
ON
4
TI
mA
> 35 MHz
mA
NU
E
> 8 MHz and < 16 MHz
C
LOAD
= 15 pF
10% to 90% of V
CC
See Load Circuit
> 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
SM55T Series 5.0 V
CMOS Clock Oscillators
April 2010
Load Circuit and Test Waveform
Vhigh
90% * Vcc
50% * Vcc
10% * Vcc
Vlow
Ground
Symmetry
Parameter
Mechanical Shock
Vibration
Solderability
Thermal Shock
ESD Rating
Model
SC
Charged Device Model
1000
Human Body Model
Package Labeling
DI
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New
Bar code is 39-Full ASCII
ON
Minimum Voltage
1500
Conditions
JESD 22-C101
425-776-1880
TI
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
MIL-STD-883 Method 3115
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
Reliability
: Environmental Compliance
www.pletronics.com
NU
E
Trise
Tfall
D
5
51单片机
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