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參數(shù)資料
| 型號(hào)： | SM1144CS-FREQ1 |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 1 MHz - 7.999 MHz, CMOS OUTPUT |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 42K |
| 代理商： | SM1144CS-FREQ1 |
SM1145C CMOS Series
4 Lead Surface Mount Plastic Clock Oscillator
CMOS with Enable/ Disable
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
1.000 MHz – 60.000 MHz
Standard Specifications
Overall Frequency Stability
SM1145C: ± 50 PPM, SM1144C: ± 25 PPM over Operating Temperature Range
Operating Temperature Range
Supply Voltage (Vcc)
5.0 volts and 3.3 volts available, .01 F bypass cap recommended
Symmetry (Duty Cycle)
40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (see Waveform 1)
Output Load
Enable/Disable Option (E/D)
Output enabled when Pin #1 is open or at Logic “1”; Output disabled when Pin #1 is at Logic “0”.
Rise and Fall Time
Frequency Range
(MHz)
Typical
Maximum
1.000 – 7.999
5
10
5.5
6.5
8.000 – 23.999
10
15
5.5
6.5
24.000 – 29.999
10
15
4.5
5.5
30.000 – 50.000
20
30
2.5
3.5
Part Numbering Guide
Model
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
Frequency in MHz
Special Specifications (choose all that apply)
SM11 45 C V - 50.0M - 30 - XXX (Internal Code or blank)
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
Mechanical:
not to scale
inches (mm)
°
Solder Pads
50.001 – 60.000
25
40
2.5
3.5
Jun 2004
0 to +70°C is standard, extended range not available
Y: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Symmetry)
S: 45/55% Symmetry at 50% of Vcc
V: Supply Voltage of 3.3 volts ± 10%
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
.352
(8.95)
.386
(9.8)
MAX
.200 (5.08)
.551 (14.0) MAX
.300
(7.62)
.185 (4.7) MAX
1
2
3
4
0.01 F
m
bypass
capacitor
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
14
Pl tronics, Inc.
Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 2 (consult factory for heavier loads)
Tr & Tf (nS) w/ 15pF load
Packaging
Tube or
24mm tape
12mm pitch
Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.
Logic Levels
Logic “1” 90% of Vcc MIN; Logic “0” 10% of Vcc MAX
Non-Std Output Load
Blank = 15 pF max, 30 = 30 pF max
Pl tronics, Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
.
CMOS
<
80
MHz
Page
11A
-
16
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
Max. Supply Current
Icc (mA) w/ 15pF load
3.3V
5.0V
0.055
(1.4)
0.200 (5.08)
1
2
3
4
0.228
(5.8)
0.118
(3.0)
0.145
(3.68)
1
E/D
2
GND
3
OUT
4
Vcc
PIN
SIGNAL
Due to part size and factory abilities, part marking may vary from lot to lot
and may contain our part number or an internal code.
SM11CXSV
14.31818M
PLE YYWWX
Marking Example and Explanation
SM11C = Model Code
X = Frequency Stability
SV = Applicable Specs (some internal)
Frequency in MHz
PLE = Pletronics
YYWWX = Date Code
.352
(8.95)
.386
(9.8)
MAX
.200 (5.08)
.551 (14.0) MAX
.300
(7.62)
.185 (4.7) MAX
1
2
3
4
0.01 F
m
bypass
capacitor
0.055
(1.4)
0.200 (5.08)
1
2
3
4
0.228
(5.8)
0.118
(3.0)
0.145
(3.68)
1
E/D
2
GND
3
OUT
4
Vcc
PIN
SIGNAL
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| SM1145BDE | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable, 3rd Overtone Crystal Used |
| SM1145BDS | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable, 3rd Overtone Crystal Used |
| SM1145BDV | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable, 3rd Overtone Crystal Used |
| SM1145BDW | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable, 3rd Overtone Crystal Used |
| SM1145BDX | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable, 3rd Overtone Crystal Used |
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