SM7700H SERIES
n
n
CMOS COMPATIBLE
WITH
TRI鈭扴TATE OUTPUT
SURFACE MOUNT OSCILLATORS IN CERAMIC PACKAGE (7x5x1.9 mm)
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 鈥?鈥?& Logic 鈥?鈥?(See next page)
Output Load
Tri-state Output
Packaging (see page R1, Figure 4)
1.500 MHz 鈥?69.999 MHz
(Consult factory for specific available frequencies)
卤
50 PPM is standard, but
卤
25 PPM is also available for
certain frequencies.
0 - 70掳C is standard, but can be extended to
鈭?0
to +85掳C for
certain frequencies
1.500 MHz 鈥?30.000 MHz
30.001 MHz 鈥?69.999 MHz
SM7700HY
SM7700HY
SM7700HV
5 Volt
卤
10% or 3.3 Volt
卤
10%
5 Volt
卤
10% only
3.3 Volt
卤
10% only
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.
15 pF is standard. Contact factory for heavier loads.
Normal output when pin #1 is open (no connection);
Normal output when pin #1 is at logic 鈥?鈥?
High-Impedance Output when pin #1 is at logic 鈥?鈥?
16 mm tape, 178 mm, 254 mm or 330 mm reel: 1000 parts per reel.
For quantities <250: 100 parts per tray
PART NUMBERING GUIDE:
n
The Pletronics part number for an SM7700H series oscillator consists of the following 3 elements:
1.
Overall Frequency Stability over Operating Temperature Range:
SM7745H:
卤
50 PPM;
SM7744H:
卤
25 PPM
Optional Alphabet Designator for Special Requirement:
SM7745HY: standard specifications;
SM7745HE: operating temperature range of -40 to +85掳C;
SM7745HS: 45/55% symmetry at 50% of Vcc (CMOS);
SM7745HV: operates at Vcc = 3.3V (only needed for over 30.000MHz)
(There are other alphabet designators not listed here.)
Frequency of Operation in MHz
2.
3.
EXAMPLES: SM7745HV-50.000 MHz; SM7745HE-10.000 MHz; SM7744HY-50.000 MHz
n
When customer鈥檚 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
O9A
1
2
