SM1144TYV-69.9M [PLETRONICS]
Oscillator;
| 型号： | SM1144TYV-69.9M |
| 厂家： | 
PLETRONICS, INC. |
| 描述： | Oscillator |
| 文件： | 总1页 (文件大小：40K) |
| 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
SM1145T Series
4 Lead Surface Mount Plastic Clock Oscillator
CMOS with Enable/ Disable
Recommended for Non-Std Specs and Frequencies
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
Standard Specifications
–
1.000 MHz 69.999 MHz
Overall Frequency Stability
SM1145T: ± 50 PPM, SM1144T: ± 25 PPM over Operating Temperature 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
5.0 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 15pF 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”.
Max. Supply Current
Icc (mA) w/ 15pF load
Rise and Fall Time
Frequency Range
(MHz)
Tr & Tf (nS) w/ 15pF load
3.3V
5
5.0V
10
Typical
4.5
Maximum
5.5
–
1.000
7.999
–
8.000 29.999
10
15
20
25
30
15
25
30
35
4.5
4.5
4.5
2.5
5.5
5.5
5.5
3.5
–
30.000 39.999
–
40.000 45.999
–
46.000 59.999
–
60.000 69.999
40
2.5
3.5
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 T Y - 50.0M - 30 - XXX (Internal Code or blank)
Non-Std Output Load
Packaging
Tube or
24mm tape
12mm pitch
Blank = 15 pF max, 30 = 30 pF max, 50 = 50 pF max
Model
Frequency in MHz
Frequency Stability
Special Specifications (choose all that apply)
45 = ± 50 PPM
44 = ± 25 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%
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
inches (mm)
Mechanical:
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.
.15 (3.8)
.551 (14.0) MAX
.185 (4.7) MAX
For Best Performance,
0.01m F
bypass capacitor
Do NOT allow any traces other
than ground under oscillators
(Even in buried layers)
3
4
1
4
Vcc
3
OUT
E/D
1
GND
2
2
.200 (5.08)
July 2002
.05 (1.3)
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
16
Pl tronics, Inc.
相关型号：
SM1145B-FREQ
CMOS Output Clock Oscillator, 0.65MHz Min, 69.999MHz Max, LEADLESS PACKAGE-4
PLETRONICS
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