SM4445TS-100.0M [PLETRONICS]
Oscillator;型号: | SM4445TS-100.0M |
厂家: | PLETRONICS, INC. |
描述: | Oscillator |
文件: | 总1页 (文件大小:41K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
PRELIMINARY SPEC
SM4445T Series
4 Pad 3.2 x 2.5mm Leadless Surface Mount Ceramic Clock Oscillator
CMOS with Enable/ Disable
Fundamental or 3rd Overtone Crystal Used
–
1.000 MHz 100.000 MHz
Standard Specifications
Overall Frequency Stability
SM4400T: ± 100 PPM, SM4445T: ± 50 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)
Symmetry (Duty Cycle)
Logic Levels
2.5 volts and 3.3 volts available, .01 µF bypass cap recommended
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
Output Load
Enable/Disable Option (E/D)
Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 2 (consult factory for heavier loads)
Output enabled when Pin #1 is open or at Logic “1”; Output disabled when Pin #1 is at Logic “0”.
Rise and Fall Time (Tr & Tf)
Input Current (Icc)
Stand-by Current
5 ns maximum
10 mA maximum
50 uA maximum
Part Numbering Guide
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
SM44 45 T V - 50.0M - XXX (Internal Code or blank)
Packaging
Tray or
8mm tape
4mm pitch
Model
Frequency in MHz
Frequency Stability
Special Specifications (choose all that apply)
E: Extended Operating Temperature Range (- 40 to +85 C)
S: 45/55% Symmetry at 50% of Vcc
45 = ± 50 PPM
00 = ± 100 PPM
°
°
V: Supply Voltage of 3.3 volts ± 10%
W: Supply Voltage of 2.5 volts ± 10%
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
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.
Mechanical: inches (mm)
not to scale
.03 (0.8)
For Best Performance,
Do NOT allow any traces other
than ground under oscillators
(Even in buried layers)
GND
OUT
3
2
2
3
.039 (1.0)
.051 (1.3)
1
4
4
1
0.01m F
bypass capacitor
E/D
Vcc
.098 (2.5 ± 0.1)
.039 (1.0)
MAX
.043 (1.1)
.036 (0.9)
Oct 2003
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
TBD
Pl tronics, Inc.
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