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參數(shù)資料
| 型號(hào)： | SM1145BY-FREQ-30-OUT21 |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.65 MHz - 69.999 MHz, CMOS OUTPUT |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大小： | 37K |
| 代理商： | SM1145BY-FREQ-30-OUT21 |
12
SM1145B Series
4 Pad Leadless Surface Mount Clock Oscillator
Recommended for Non-Standard Specifications & Frequencies
CMOS with Enable/ Disable
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
650 kHz – 69.999 MHz
Standard Specifications
Mechanical:
not to scale
inches (mm)
.400
(10.16)
MAX
.560 (14.23) MAX
Vcc
GND
Out
Solder Pads
19013 36th Ave. West Suite H Lynnwood, WA 98036, USA
PLE
E/D
.195 (5.0)
MAX
Overall Frequency Stability
SM1145B: ± 50 PPM, SM1144B: ± 25 PPM, SM1120B: ± 20 PPM over Operating Temp. Range
Operating Temperature Range
0 to +70°C is standard, but can be extended to - 40 to +85°C for certain frequencies
Supply Voltage (Vcc)
5.0 volts and 3.3 volts available
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”.
Supply Current
Rise and Fall Time
Frequency Range
(MHz)
Typical
Maximum
Typical
Maximum
Part Numbering Guide
Model
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
Frequency in MHz
Special Specifications (choose all that apply)
Y: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Symmetry)
E: Extended Operating Temperature Range (- 40 to +85 C)
N: Lower Ringing Noise
S: 45/55% Symmetry at 50% of Vcc
V: Supply Voltage of 3.3 volts
SM11 45 B Y -- 60.0M - 30
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
°
±10%
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
Feb 2002
Pl tronics, Inc.
0.650 – 19.999
8.0
10.0
4.0
5.0
20.000 – 27.999
13.0
15.0
2.0
3.0
28.000 – 34.999
15.0
20.0
2.0
3.0
35.000 – 49.999
20.0
25.0
2.0
3.0
50.000 – 69.999
33.0
37.0
2.0
3.0
Standard load is 15pF maximum, see Test Circuit 3 (consult factory for heavier loads)
Icc (mA) w/ 15pF load
Tr & Tf (nS) w/ 15pF load
Packaging
Tube or
24mm tape
16mm 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, 50 = 50 pF max
20 = ± 20 PPM
.200 (5.08)
1
2
4
3
.15 (3.8)
.23
(5.8)
.05
(1.3)
.12
(3.0)
2
3
4
1
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