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參數(shù)資料
| 型號(hào)： | SQ3345-8.0M |
| 廠商： | PLETRONICS INC |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | CMOS MTL OSC 50PPM 5.0V E/D__Contact Local Pletronics Rep |
| 中文描述： | CRYSTAL OSCILLATOR, CLOCK, 8 MHz, CMOS OUTPUT |
| 封裝： | METAL, DIP-8/4 |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 50K |
| 代理商： | SQ3345-8.0M |
SQ3345, SQ2245 CMOS Series
Half Size (8 Pin DIP) Thru-Hole Metal Clock Oscillator
SQ3345: CMOS with Enable/ Disable, SQ2245 without Enable/Disable
650 kHz
–
69.999 MHz
Standard Specifications
Overall Frequency Stability
Operating Temperature Range
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
± 50 PPM ± 25 PPM ± 20 PPMover Operating Temperature Range
0 to +70
°
C is standard, but can be extended to
-
40 to +85
°
C for certain frequencies
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 Waveform1)
Logic “1”
90% of Vcc MIN;
Logic “0”
10% of Vcc MAX
Output Load
SQ33: Enable/Disable Option
(E/D)
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 (nS) w/ 15pF load
Frequency Range
(MHz)
Typical
3.0
2.5
2.5
2.5
2.5
Maximum
4.0
3.5
3.5
3.5
3.5
0.650 – 10.000
10.001 – 25.999
26.000 – 34.999
35.000 – 50.000
50.001 – 69.999
7
10
20
25
30
35
10
15
20
25
Part Numbering Guide
SQ33 45 E V -- 60.0M - XXX
(Internal Code or blank)
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:
Due to part size and factory abilities, part marking may vary fromlot to lot and may contain our part number or an internal code.
not to scale
inches (mm)
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
15
Nov 2006
Pl tronics, Inc.
Standard load is 15 pF (typ. 1 ASIC) maximum see Test Circuit 3 (consult factory for
heavier
loads)
Packaging
Tubes
Model
SQ33 with E/D
SQ22 no E/D
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
Frequency in MHz
Special Specifications (choose all that apply)
Blank: Std Specs ( 0 to +70
°
C, 40/60% Symmetry)
E: Extended Operating Temperature Range (- 40 to +85
°
C)
S: 45/55% Symmetry at 50% of Vcc
Supply Voltage (Vcc)
Blank: 5.0V
± 10%
V: 3.3 volts
± 10%
Pl tronics
,
Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
Max. Supply Current
Icc (mA) w/ 15pF load
3.3V
5.0V
0 .236 (6.0)
MAX
0 .020
(.51)
0 .250 (6.35)
MAX
0.492 (12.5) MAX
0.300 (7.62)
PLE
0
0
1
4
8
5
SQ33 Pin 1 = E/D
SQ22 Pin 1 = N.C.
Vcc
OUT
GND
0.031 (0.8)
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