SQ2244N-FREQ4-30 [PLETRONICS]
CMOS Output Clock Oscillator, 35MHz Min, 50MHz Max;
| 型号： | SQ2244N-FREQ4-30 |
| 厂家： | 
PLETRONICS, INC. |
| 描述： | CMOS Output Clock Oscillator, 35MHz Min, 50MHz Max 机械 振荡器 |
| 文件： | 总1页 (文件大小：57K) |
| 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
SQ3345, SQ2245 CMOS Series
SQ3345: CMOS with Enable/ Disable, SQ2245 without Enable/Disable
Lower Ringing Noise Option Available to Reduce EMI
Half Size (8 Pin DIP) Metal Clock Oscillator
Available in Thru-Hole or Surface Mount Configuration
–
650 kHz 69.999 MHz
Standard Specifications
Overall Frequency Stability
Operating Temperature Range 0 to +70 C is standard, but can be extended to 40 to +85°C for certain frequencies
± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature Range
-
°
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
5.0 volts and 3.3 volts available
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
Ringing Noise
SQ33: Enable/Disable Option
(E/D)
Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 3 (consult factory for heavier loads)
Depends on frequency and output load. See EMI application note
Output enabled when Pin #1 is open or at Logic “1”; Output disabled when Pin #1 is at Logic “0”.
Rise and Fall Time
Max. Supply Current
Icc (mA) w/ 15pF load
Frequency Range
(MHz)
Tr & Tf (nS) w/ 15pF load
Typical
3.0
Maximum
4.0
3.3V
7
5.0V
10
–
0.650 10.000
–
10.001 25.999
10
15
20
25
20
25
30
35
2.5
2.5
2.5
2.5
3.5
3.5
3.5
3.5
–
26.000 34.999
–
35.000 50.000
–
50.001 69.999
Part Numbering Guide
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
SQ33 45 V -- 60.0M - 30 - SMD - XXX (Internal Code or blank)
Surface Mount Option
Packaging
Tube or on Pads,
SMD: Bulk
Non-Std Output Load
Model
SQ33 with E/D
SQ22 no E/D
Blank = 15 pF max, 30 = 30 pF max
Frequency in MHz
Frequency Stability
Special Specifications (choose all that apply)
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
°
Blank: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Symmetry)
°
E: Extended Operating Temperature Range (- 40 to +85 C)
N: Lower Ringing Noise
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
Surface Mount
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.
0.270 (6.87)
MAX
0 .236 (6.0)
MAX
0.300 (7.62)
0.300 (7.62)
OUT
0.492 (12.5) MAX
PLE
0.492 (12.5) MAX
0.031 (0.8)
Vcc
5
8
5
8
0 .020
(.51)
8
1
5
4
4
1
4
1
GND
0 .250 (6.35)
MAX
SQ33 Pin 1 = E/D
SQ22 Pin 1 = N.C.
0.136 x 0 .035
(3.45) x (.89)
0.200 (5.08)
Pad (8X)
Jun 2004
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
15
Pl tronics, Inc.
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