SQ3300 SERIES
n
n
n
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CMOS COMPATIBLE
WITH
TRI –STATE OUTPUT
LOWER RINGING NOISE OPTION AVAILABLE TO REDUCE EMI
8-PIN (HALF SIZE) THRU-HOLE OSCILLATORS IN METAL PACKAGE
AVAILABLE IN SURFACE MOUNT CONFIGURATION
STANDARD SPECIFICATIONS:
Frequency Range
Frequency Stability over Operating
Temperature Range
Operating Temperature Range
Operable Supply Voltage (Vcc)
Symmetry (Duty Cycle)
(See next page for definition.)
Input Current (Icc) & Rise & Fall Time (Tr
& Tf) & Jitter
Logic “1” & Logic “0” (See next page.)
Tri-state Output
Output Load
Ringing Noise
Packaging
650 kHz – 69.999 MHz (Consult factory for specific available frequencies)
±
50 PPM is standard, but
±
25 PPM is also available.
0 - 70
°C
is standard, but can be extended to -40 to +85°C.
5 Volt
±
10% is standard, but 3.3V
±
10% is also available
40/60 - 60/40% is standard, but 45/55% symmetry at 50% of Vcc
is also available.
Depends on frequency and output load. See next page.
90% of Vcc MIN.; 10% of Vcc MAX.
Normal output when pin #1 is open (no connection);
Normal output when p in #1 is at logic “1”;
High-impedance output when pin #1 is at logic “0”.
Can drive up to 50 pF load
Depends on frequency and output load. See EMI application note.
33 parts per tube, SMD: Tape and Reel TBD
PART NUMBERING GUIDE:
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The Pletronics part number for an SQ3300 series oscillator consists of the following 4 elements:
1.
Overall Frequency Stability over Operating Temperature Range:
SQ3345:
±
50 PPM;
SQ3344:
±
25 PPM
Optional Alphabet Designator for Special Requirement:
SQ3345: standard specifications;
SQ3345E: operating temperature range of -40 to +85°C;
SQ3345S: 45/55% symmetry at 50% of Vcc;
SQ3345V: operates at Vcc = 3.3V;
SQ3345N: lower ringing noise
(There are other alphabet designators not listed here.)
Frequency of Operation in kHz or MHz
Optional Surface Mount Configuration – SMD
2.
3.
4.
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EXAMPLES: SQ3345V-50.000 MHz; SQ3345E-10.000 MHz, SQ3344N-10.000 MHz-SMD
When customer’s requirements are non-standard, a special engineering part number will be assigned.
(continued)
Telephone: (425) 776-1880, Fax: (425) 776-2760, e-mail: ple-sales@pletronics.com
O4A
SQ3300 SERIES
Input Current (Icc), Rise and Fall time with 15pF Load & Jitter
Frequency Range
(MHz)
0.650 – 10.000
10.0001 – 25.999
26.000 – 34.999
35.000 – 50.000
50.001 – 69.999
Icc (mA)
Typical
6.5
15.0
18.0
25.0
32.0
Maximum
10.0
20.0
25.0
30.0
35.0
Tr & Tf (nS)
Typical
3.0
2.5
2.5
2.5
2.5
Maximum
4.0
3.5
3.5
3.5
3.5
Period Jitter RMS Values
àcontact
factory
Typical
Maximum
à
à
à
à
à
à
à
à
à
à
Recommended Test Circuit with CMOS Load
T
R
Vcc
80% Logic 1
50% Logic 1
20% Logic 0
GND
Waveform
T
F
Logic 1 (90% Vcc MIN)
50% Logic 0
Logic 0 (10% Vcc MAX)
Symmetry
*CL (Capacitive Load): Includes the input capacitance of oscilloscope.
Thru-Hole Package Outline (NOT TO SCALE):
PIN CONNECTIONS
PIN
1
4
5
8
CONNECTION
ENABLE/DISABLE INPUT
GROUND
OUTPUT
Vcc
INCHES (MILLIMETERS)
Recommended Land Pattern
SMD Outline
0.136 (3.45)
8
0.035 (0.89)
5
0.200 (5.08)
0.300
(7.62)
1
0.354 (8.99)
4
October 2000
O4B
Pletronics Inc., 19013 36
th
Ave. W., Suite H, Lynnwood, WA 98036-5761 USA
京公网安备 11010802033920号
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