![](http://datasheet.mmic.net.cn/160000/P1145-3SEV-FREQ_datasheet_9583400/P1145-3SEV-FREQ_1.png)
P1145-3S, P1145-HC CMOS Series
Full Size (14 Pin DIP) Thru-Hole Metal Clock Oscillator
P1145-3S: CMOS with Enable/ Disable, P1145-HC without E/D
650 kHz – 69.999 MHz
Standard Specifications
Overall Frequency Stability
± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature 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)
5.0 volts and 3.3 volts available
Symmetry (Duty Cycle)
40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (see Waveform 1)
Output Load
-3S: 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
Frequency Range
(MHz)
Typical
Maximum
0.650 – 10.000
7
10
3.0
4.0
10.001 – 25.999
10
20
2.5
3.5
26.000 – 34.999
15
25
2.5
3.5
35.000 – 50.000
20
30
2.5
3.5
Part Numbering Guide
Model
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
P11 45 - 3S
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.
50.001 – 69.999
25
35
2.5
3.5
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
Mechanical:
not to scale
inches (mm)
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
16
Nov 2006
Pl tronics, Inc.
0.807 (20.5) MAX
PLETRONICS
0.500
(12.7)
MAX
0 .200 (5.08)
MAX
0.600 (15.24)
0.300
(7.62)
1
7
14
8
-3S Pin 1 = E/D
-HC Pin 1 = N.C.
Vcc
OUT
GND
0.031 (0.8)
0.250 (6.35) MAX
0.020
(.51)
Standard load is 15pF (typ. 1 ASIC) maximum, see Test Circuit 3 or 1 (consult factory for heavier loads)
Tr & Tf (nS) w/ 15pF load
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.
Logic Levels
Logic “1” 90% of Vcc MIN; Logic “0” 10% of Vcc MAX
20 = ± 20 PPM
Pl tronics, Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
.
-3S with E/D
-HC no E/D
Series
Max. Supply Current
Icc (mA) w/ 15pF load
3.3V
5.0V
Frequency in MHz
Special Specifications (choose all that apply)
Supply Voltage (Vcc)
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
Blank: 5.0V ± 10%
V: 3.3 volts ± 10%