SM5544TE-FREQ4 [PLETRONICS]
CMOS Output Clock Oscillator, 70MHz Min, 125MHz Max;
| 型号： | SM5544TE-FREQ4 |
| 厂家： | 
PLETRONICS, INC. |
| 描述： | CMOS Output Clock Oscillator, 70MHz Min, 125MHz Max |
| 文件： | 总1页 (文件大小：44K) |
| 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
SM5545T CMOS Series
CMOS with Enable/ Disable
Fundamental or 3rd Overtone Crystal Used
4 Pad 5x 3.2mm Leadless Surface Mount Ceramic Clock Oscillator
–
2.500 MHz 125.000 MHz
Standard Specifications
Overall Frequency Stability
SM5545T: ± 50 PPM, SM5544T: ± 25 PPM, SM5520T: ± 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)
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)
Rise and Fall Time (Tr & Tf)
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”.
10 nS maximum
Max. Supply Current
Icc (mA) w/ 15pF load
Frequency Range
(MHz)
3.3V
12
5.0V
20
–
2.500 33.000
–
33.000 50.000
25
45
–
50.000 70.000
35
50
–
70.000 125.00
60
100
Part Numbering Guide
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
SM55 45 T V - 50.0M - 30 - XXX (Internal Code or blank)
Packaging
Tray or
16mm tape
8mm pitch
Non-Std Output Load Blank = 15 pF max, 30 = 30 pF max
Model
Frequency in MHz
Frequency Stability
Special Specifications (choose all that apply)
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%
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
Mechanical: inches (mm)
not to scale
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.
0.100 (2.54)
0.100 (2.54)
0.197 (5.0 ± .15)
PIN SIGNAL
1
2
3
4
E/D
3
2
4
1
3
4
1
GND
OUT
Vcc
.01 m F
bypass
capacitor
0.032 (0.8)
0.059 (1.5)
0.039
(1.0)
2
0.047
(1.2)
0.047 (1.2)
MAX
0.100 (2.54)
0.063
(1.6)
0.037
(0.93)
Jun 2004
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
13
Pl tronics, Inc.
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