19013 36th Ave. West Suite H Lynnwood, WA 98036, USA
SM1145JD Series
4 Lead Surface Mount Plastic Clock Oscillator
CMOS with Enable/ Disable, 3rd Overtone Crystal Used
Low Jitter
–
70.00 MHz 170.00 MHz
Consult factory for higher frequencies
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
Standard Specifications
Overall Frequency Stability
SM1145JD: ± 50 PPM, SM1144JD: ± 25 PPM, SM1120JD: ± 20 PPM over Operating Temp. 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)
Symmetry (Duty Cycle)
Logic Levels
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
1 pS RMS maximum, from 12 kHz to 20 MHz from carrier
Jitter
Output Load
Standard load is 15pF maximum, see Test Circuit 3 (consult factory for heavier loads)
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
Suppy Current
Icc (mA) w/ 15pF load
Frequency Range
(MHz)
Tr & Tf (nS) w/ 15pF load
Typical
40.0
Maximum
45.0
Typical
2.0
Maximum
3.0
–
70.000 79.999
–
80.000 110.000
75.0
80.0
0.5
1.0
–
110.001 119.999
80.0
90.0
0.5
1.0
–
120.000 170.000
90.0
95.0
0.5
1.0
Part Numbering Guide
SM11 45 JD Y -- 70.0M - 30
Packaging
Tube or
24mm tape
12mm pitch
Non-Std Output Load
Blank = 15 pF max, 30 = 30 pF max, 50 = 50 pF max
Model
Frequency in MHz
Frequency Stability
Special Specifications (choose all that apply)
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
°
Y: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Symmetry)
°
E: Extended Operating Temperature Range (- 40 to +85 C)
S: 45/55% Symmetry at 50% of Vcc
V: Supply Voltage of 3.3 volts ± 10%
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: inches (mm)
not to scale
Solder Pads
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.
.15 (3.8)
.193 (4.9) MAX
.520 (13.2) MAX
4
1
3
4
Vcc
3
OUT
.05
(1.3)
E/D
1
GND
2
2
.200 (5.08)
.200 (5.08)
Feb 2002
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
7
Pl tronics, Inc.