SM55T Series 1.8 V

CMOS Clock Oscillators

April 2010

www.pletronics.com

425-776-1880

2

Part Number:

SM55

45

T

E

X

-XX

Part Marking:

Packaging code or blank

PFF.FFF M

C YMDxx

-or-

PFF.FFF

C YYWWxx

-or-

PLE SM55

FF.FFF M

CYMDxx

-or-

P5xYWWx

C FF.FF Mxxx

-or-

5xYWWxx

FF.FFF M

CPLE xxx

Frequency in MHz

Supply Voltage V

CC

Optional Enhanced OTR

Series Model

Frequency Stability

Series Model

Marking Legend:

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.

Codes for Date Code YMD

Code

10

1234

Code

AB

C

D

E

F

G

H

J

K

L

M

Code

123456789

A

B

C

D

E

F

G

Day

1

23456789

10

11

12

13

14

15

16

Code

H

J

K

L

M

N

P

R

T

U

V

W

X

Y

Z

Day

171819202122232425262728

2930

31