SM55J Series 2.5 V
CMOS Clock Oscillators
March 2013
Part Number:
SM55
45
J
E
W
- 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 M Hz
Supply Voltage V
CC
V
= 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 Marking and Legend:
P
ff.fff
M
C
YMDxx
P
ff.fff
M
C
YYWWxx
PLE SM 55
ff.fff
M
C
YMDxx
P5xYW W x
C
ff.fff
M
5xYW W xx
ff.fff
M
C
PLExx
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
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
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
PLETRONICS [ PLETRONICS, INC. ]
