Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
SM1145JD Series
4 Lead Surface Mount Plastic Clock Oscillator
Low Jitter
CMOS
70 - 170 MHz, 3rd OT
Page 8 - 11
CMOS with Enable/ Disable, 3rd Overtone Crystal Used
70.00 MHz
–
170.00 MHz
Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J
Consult factory for
higher
frequencies
Standard Specifications
Overall Frequency Stability
Operating Temperature Range
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
Jitter
Output Load
Enable/Disable Option (E/D)
SM1145JD: ± 50 PPM, SM1144JD: ± 25 PPM, SM1120JD: ± 20 PPM over Operating Temp. Range
0 to +70°C is standard, but can be extended to
-
40 to +85°C for certain frequencies
5.0 volts, 3.3 volts, and 2.5 volts available, consult factory for 1.8 volts
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
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”.
Max. Supply Current
Icc (mA) w/ 15pF load
2.5V, 3.3V
5.0V
Max. Rise and Fall Time
Tr & Tf (nS) w/ 15pF load
2.5V
3.3V, 5.0V
Frequency Range
(MHz)
70.000 – 79.999
80.000 – 110.000
110.001 – 119.999
120.000 – 170.000
30
45
40
80
50
90
60
95
Part Numbering Guide
3.5
2.5
2.5
1.5
3.0
1.5
1.0
1.0
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
SM11 45 JD Y - 70.0M - 30 - XXX
(Internal Code or blank)
Packaging
Tube or
24mm tape
12mm pitch
Model
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
Non-Std Output Load
Blank = 15 pF max, 30 = 30 pF max
Frequency in MHz
Special Specifications (choose all that apply)
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%
W: Supply Voltage of 2.5 volts ±
5%
X:
Supply Voltage of 1.8 volts ±
5% (Consult factory)
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
.193 (4.9) MAX
Solder Pads
.15 (3.8)
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.
.520 (13.2) MAX
.385 (9.79) MAX
4
.315 (8.0) MAX
.300 (7.62)
.12
(3.0) .23 (5.8)
4
Vcc
E/D
1
3
OUT
GND
2
3
.05
(1.3)
1
2
For Best Performance,
Do NOT allow any traces other
than ground under oscillators
(Even in buried layers)
Jan 2003
.200 (5.08)
.200 (5.08)
Pl tronics, Inc.
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
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