SM1145BDESW-FREQ-30 [PLETRONICS]
CMOS Output Clock Oscillator, 70MHz Min, 170MHz Max;型号: | SM1145BDESW-FREQ-30 |
厂家: | PLETRONICS, INC. |
描述: | CMOS Output Clock Oscillator, 70MHz Min, 170MHz Max 机械 振荡器 |
文件: | 总2页 (文件大小:61K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Pletronics, Inc.
19013 36th Ave. West PO Box 2607 Lynnwood, Washington
T: 1-425-776-1880 F: 1-425-776-2760 E: ple-sales@pletronics.com
www.pletronics.com
98036 U.S.A.
Effective January 1, 2008
The SM11xxB series is discontinued.
This has been discontinued because:
•
•
•
the difficulty of the older design to assemble well in the newer RoHS compliant high
temperature reflow processes.
the cover assembly was not meeting some of the cleaning and assembly needs of the newer
processes.
the components needed to make these parts are no longer available.
This requirement is best met by using an SM77xxD 5x7mm SMD oscillator.
Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
SM1145BD CMOS Series
CMOS with Enable/ Disable, 3rd Overtone Crystal Used
Low Jitter
4 Pad Surface Mount Clock Oscillator
–
70.00 MHz 170.00 MHz
Consult factory for higher frequencies
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
Standard Specifications
Overall Frequency Stability
SM1145BD:± 50 PPM, SM1144BD:± 25 PPM, SM1120BD: ± 20 PPM over Operating Temp. Range
ꢁ
ꢀ
Operating Temperature Range 0 to +70 C is standard, but can be extended to 40 to +85ꢀC for certain frequencies
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
5.0 volts, 3.3 volts, and 2.5 volts available, consult factory for 1.8 volts
40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (see Waveform 1)
Logic “1” 90% of Vcc MIN; Logic “0” 10% of Vcc MAX
Jitter
1 pS RMS maximum, from 12 kHz to 20 MHz from carrier
Output Load
Standard load is 15pF (typ. 1 ASIC) maximum, see Test Circuit 3 (consult factory for heavier loads)
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”.
See Website for Supply Current (Icc) and Rise and Fall Times
Part Numbering Guide
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
SM11 45 BD V - 70.0M - 30 - XXX (Internal Code or blank)
Non-Std Output Load
Packaging
Tube or
24mm tape
16mm pitch
Model
Blank = 15 pF max, 30 = 30 pF max
Frequency in MHz
Special Specifications (choose all that apply)
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
ꢀ
Y: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Symmetry)
ꢀ
E: Extended Operating Temperature Range (- 40 to +85 C)
S: 45/55% Symmetry at 50% of Vcc
V: Supply Voltage of 3.3 volts ± 10%
W: Supply Voltage of 2.5 volts ± 5%
X: Supply Voltage of 1.8 volts ± 5% (Consult factory)
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
Mechanical: inches (mm)
not to scale
Solder Pads
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.
0.200 (5.08)
PIN SIGNAL
1
2
3
4
E/D
3
2
4
GND
OUT
Vcc
3
2
4
1
1
0.560 (14.23) MAX
0.195 (4.95)
MAX
0.200 (5.08)
0.055 0.145
(1.4) (3.68)
Sept 2004
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
9
Pl tronics, Inc.
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