SQ3345 Pletronics, Inc., SQ3345 Datasheet
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SQ3345
Manufacturer Part Number
SQ3345
Description
Sq3345, Sq2245 Cmos Series
Manufacturer
Pletronics, Inc.
Datasheet
1.SQ3345.pdf
(1 pages)
SQ3345, SQ2245 CMOS Series
Overall Frequency Stability
Operating Temperature Range
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
Output Load
SQ33: Enable/Disable Option
(E/D)
Mechanical:
Standard Specifications
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
Pl tronics, Inc.
SQ3345: CMOS with Enable/ Disable, SQ2245 without Enable/Disable
Half Size (8 Pin DIP) Thru-Hole Metal Clock Oscillator
Packaging
Tubes
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.
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
inches (mm)
10.001 – 25.999
26.000 – 34.999
35.000 – 50.000
50.001 – 69.999
Frequency Range
0.650 – 10.000
0.492 (12.5) MAX
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
Frequency Stability
(MHz)
PLE
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
SQ33 with E/D
SQ22 no E/D
Model
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
Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 3 (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”.
± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature Range
0 to +70° C is standard, but can be extended to - 40 to +85°C for certain frequencies
SQ33 45 E
Pl tronics, Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
Part Numbering Guide
Max. Supply Current
Icc (mA) w/ 15pF load
3.3V
10
15
20
25
0 .236 (6.0)
7
not to scale
MAX
0 .250 (6.35)
V -- 60.0M - XXX (Internal Code or blank)
Special Specifications (choose all that apply)
MAX
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
0.031 (0.8)
5.0V
10
20
25
30
35
Supply Voltage (Vcc)
0 .020
(.51)
Blank: 5.0V ± 10%
V: 3.3 volts ± 10%
Frequency in MHz
.
Tr & Tf (nS) w/ 15pF load
Typical
Rise and Fall Time
3.0
2.5
2.5
2.5
2.5
OUT
SQ33 Pin 1 = E/D
SQ22 Pin 1 = N.C.
0.300 (7.62)
GND
Maximum
5
4
4.0
3.5
3.5
3.5
3.5
1
8
650 kHz
Vcc
–
69.999 MHz
Nov 2006
15