19013 36th Ave. West Suite H Lynnwood, WA 98036, USA
P1145-3S Series
Full Size (14 Pin DIP) Metal Clock Oscillator
CMOS with Enable/ Disable
Lower Ringing Noise Option Available to Reduce EMI
Available in Thru-Hole or Surface Mount Configuration
Standard Specifications
–
650 kHz 69.999 MHz
Overall Frequency Stability
Operating Temperature Range 0 to +70 C is standard, but can be extended to 40 to +85°C for certain frequencies
P1145-3S: ± 50 PPM, P1144-3S: ± 25 PPM, P1120-3S: ± 20 PPM over Operating Temp. Range
-
°
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
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 Levels
Logic “1” 90% of Vcc MIN; Logic “0” 10% of Vcc MAX
Output Load
Ringing Noise
Standard load is 15pF maximum, see Test Circuit 3 (consult factory for heavier loads)
Depends on frequency and output load. See EMI application note
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
Supply Current
Icc (mA) w/ 15pF load
Frequency Range
(MHz)
Tr & Tf (nS) w/ 15pF load
Typical
6.5
Maximum
10.0
Typical
3.0
Maximum
4.0
–
0.650 10.000
–
10.001 25.999
15.0
18.0
25.0
32.0
20.0
25.0
30.0
35.0
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
P11 45 - 3S V -- 60.0M - 30 - SMD
Packaging
Surface Mount Option
Tube or on Pads,
SMD: Bulk
Model
Non-Std Output Load: Blank = 15 pF max,
30 = 30 pF max,
50 = 50 pF max
Frequency Stability
Frequency in MHz
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
Special Specifications (choose all that apply)
°
Blank: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Sym)
°
E: Extended Operating Temperature Range (- 40 to +85 C)
N: Lower Ringing Noise
S: 45/55% Symmetry at 50% of Vcc
± 10%
V: Supply Voltage of 3.3 volts
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
inches (mm)
Surface Mount
Mechanical:
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.
.820 (20.84) MAX
.200 (5.08)
MAX
.247 (6.28)
MAX
.767 (19.49)
.600 (15.24)
.807 (20.5) MAX
PLETRONICS
.600 (15.24)
.031 (0.8)
Vcc
OUT
8 8
14 14
8
7
14
8
7
7
14
1
.020
(.51)
1
1
1
7
GND
E/D
.200 (5.08) TYP
.250 (6.35) MAX
Solder pad layout may use any combination of pins 1, 7, 8 & 14 shown.
Recommended pad size is .12 (3.1) x .07 (1.8) typical.
Jan 2002
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
17
Pl tronics, Inc.