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PDF SM7745DW Data sheet ( Hoja de datos )
| Número de pieza | SM7745DW | |
| Descripción | (SM7700D Series) CMOS Clock Oscillators | |
| Fabricantes | Pletronics | |
| Logotipo |  |
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SM7700D SERIES
n CMOS COMPATIBLE WITH TRI –STATE OUTPUT
n LEADLESS SURFACE MOUNT OSCILLATOR IN 7 x 5mm CERAMIC PACKAGE
n 3RD OVERTONE CRYSTAL USED
n LOW JITTER (SEE TABLE NEXT PAGE)
STANDARD SPECIFICATIONS:
Frequency Range
Frequency Stability over Operating
Temperature Range
Operating Temperature Range
Input Voltage (Vcc)
Symmetry (Duty Cycle)
(See next page for definition.)
Input Current (Icc) & Rise and Fall Time
(Tr & Tf) & Jitter
Logic “1” & Logic “0” (see next page)
Output Load
Tri-state Output
Packaging (see page R1, Figure 4)
70.000 MHz – 160.000 MHz
(Consult factory for specific available frequencies)
± 50 PPM is standard, but ± 25 PPM is also available.
0 - 70°C is standard, but can be extended to −40 to +85°C for
certain frequencies.
5 Volt ± 10% is standard, but 3.3 Volt or 2.5 Volt ± 10% also available.
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.
Can drive up to 15pF
Normal output when pin #1 is open (no connection);
Normal output when pin #1 is at logic “1”;
High-Impedance Output when pin #1 is at logic “0”.
16 mm tape, 254 mm reel: 1000 parts per reel.
For quantities <250: 100 parts per tray.
PART NUMBERING GUIDE:
n The Pletronics part number for an SM7700D series oscillator consists of the following 3 elements:
1. Overall Frequency Stability over Operating Temperature Range:
SM7745D: ± 50 PPM;
SM7744D: ± 25 PPM
2. Optional Alphabet Designator for Special Requirement:
SM7745DY: standard specifications;
SM7745DE: operating temperature range of -40 to +85°C;
SM7745DS: 45/55% symmetry at 50% of Vcc;
SM7745DV: Operates at Vcc = 3.3 V;
SM7745DW: Operates at Vcc = 2.5 V
(There are other alphabet designators not listed here.)
3. Frequency of Operation in MHz
EXAMPLES: SM7745DSV-106.250 MHz; SM7745DW-125.000 MHz; SM7744DY-100.000 MHz
n When customer’s requirements are non-standard, a special engineering part number will be assigned.
(continued)
Telephone: (425) 776-1880, Fax: (425) 776-2760, e-mail: [email protected]
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet SM7745DW.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| SM7745D | (SM7700D Series) CMOS Clock Oscillators | Pletronics |
| SM7745DE | (SM7700D Series) CMOS Clock Oscillators | Pletronics |
| SM7745DEX | 1.8 V CMOS Clock Oscillators | Pletronics |
| SM7745DS | (SM7700D Series) CMOS Clock Oscillators | Pletronics |
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