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参数资料
| 型号： | SM7720MEX-FREQ-T250 |
| 厂商： | PLETRONICS INC |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.8 MHz - 69.999 MHz, CMOS OUTPUT |
| 封装： | ROHS COMPLIANT, CERAMIC, LCC-4 |
| 文件页数： | 2/8页 |
| 文件大小： | 145K |
| 代理商： | SM7720MEX-FREQ-T250 |
SM77M Series 1.8 V
CMOS Clock Oscillators
Feb 2008
www.pletronics.com 425-776-1880
2
PART NUMBER:
SM77
45
M
E
X
-
50.0M
-XX
Part Marking:
Packaging code or blank
T250 = 250 per Tape and Reel
T500 = 500 per Tape and Reel
T1K = 1000 per Tape and Reel
PLE SM77
FF.FFF
M
C
YMDXX
or
PLE SM77
FF.FFF
M
C
YYWWXX
or
7XYWWXX
FF.FFF
M
C
PLE
XXX
Frequency in MHz
Supply Voltage V
CC
X
= 1.8V + 10%
Optional Enhanced OTR
Blank
= Temp. range -10 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
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
6
Year
2006
7
8
9
0
1
2
2007
2008
2009
2010
2011
2012
Code
Month
A
B
C
D
E
F
G
H
J
K
L
M
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Code
Day
Code
Day
Code
Day
1
1
D
13
T
25
2
2
E
14
U
26
3
3
F
15
V
27
4
4
G
16
W
28
5
5
H
17
X
29
6
6
J
7
7
K
19
Z
31
8
8
L
20
9
9
M
21
A
10
N
22
B
11
P
23
C
12
R
24
18
Y
30
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SM7720MV | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:3.3 V CMOS Clock Oscillators |
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| SM7720MX | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:1.8 V CMOS Clock Oscillators |
| SM7744D | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:5.0 V CMOS Clock Oscillators |
| SM7744DE | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:5.0 V CMOS Clock Oscillators |
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