SM1144CES-1.0M [PLETRONICS]
Oscillator;型号: | SM1144CES-1.0M |
厂家: | PLETRONICS, INC. |
描述: | Oscillator |
文件: | 总1页 (文件大小:39K) |
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
SM1145C Series
4 Lead Surface Mount Plastic Clock Oscillator
CMOS with Enable/ Disable
Use SM1145T or SM8845C Series for Non-Std Specs and Frequencies
–
1.000 MHz 60.000 MHz
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
Standard Specifications
Overall Frequency Stability
SM1145C: ± 50 PPM, SM1144C: ± 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 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”.
Max. Supply Current
Icc (mA) w/ 15pF load
Rise and Fall Time
Frequency Range
(MHz)
Tr & Tf (nS) w/ 15pF load
3.3V
5.0V
Typical
5.5
Maximum
6.5
–
1.000
7.999
5
10
–
8.000 23.999
10
10
20
25
15
15
30
40
5.5
4.5
2.5
2.5
6.5
5.5
3.5
3.5
–
24.000 29.999
–
30.000 50.000
–
50.001 60.000
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 C Y - 50.0M - 30 - XXX (Internal Code or blank)
Packaging
Tube or
24mm tape
12mm pitch
Non-Std Output Load
Blank = 15 pF max, 30 = 30 pF max, 50 = 50 pF max
Frequency in MHz
Model
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
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.
.15 (3.8)
.185 (4.7) MAX
.551 (14.0) 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)
Jan 2003
.05 (1.3)
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
16
Pl tronics, Inc.
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