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| 5.0VDC or 3.3VDC * 8 PINDIP * HCMOS/ TTL LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS ASSH FEATURES: * Integrated Spread Spectrum technology * Standard TTL or HCMOS output. * Meets jitter requirements for all major CISC, RISC and DSP processors * Frequency Range of 15 to 120 MHz @ 5.0 VDC. * Frequency Range of 15 to 90 MHz @ 3.3 VDC. Amplitude (dB) Frequency (MHz) APPLICATIONS: * * * * * * * * Medical Printers Scanners Modems Telecommunications Aerospace Copier Automotive ADDITIONAL BENEFITS: * * * * * * * * Reduce emissions up to 20 dB. Systemic approach to EMI. Highly cost effective compared to other methods. Eliminate need for individual node suppression. Eliminate need for expensive shielding. Reduce component count. Reduce PCB layer count. Drop- in replacement for 8 pin DIP packages. MECHANICAL DIMENSIONS: PIN CONFIGURATION: Pin Number 1 4 5 8 Table1 Function NC GND OUTPUT VDC Dimensions: Inches (mm) ABRACON IS ISO 9001 / QS 9000 CERTIFIED NOTE: Left blank if standard * All specifications and markings subject to change without notice ABRACON (R) 18 29 Journey * Aliso Viejo, CA 92656 * USA (949) 448-7070 * FAX: (949) 448-8484 E-MAIL: abinfo@ abracon.com * INTERNET ADDRESS: www.abracon.com C O R P O R AT I O N 05/2003 Rev. 2.4 5.0VDC or 3.3VDC * 8 PIN DIP * HCMOS/ TTL LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS ASSH Table 2 STANDARD ELECTRICAL SPECIFICATIONS PARAMETER ASSH Operating Temperature (Topr) 0C to +70C Storage Temperature (Tsto) - 65C to +150C 100 ppm max. (See Options) Frequency Stability vs. Temp (dF/Fo) Operating Supply Voltage (VDC) 3.3 VDC 5.0 VDC Frequency Range (Fo) 15 - 90 MHz 15 - 120 MHz Operating Input Current (IDD) 40 mA max 75 mA Duty Cycle 45/55 45/55 Output Voltage (VOH/VOL) 2.4 VDC min. 4.0 VDC min. Rise Time 5.0 typ. 3.5 typ. Conditions +/-5 % F = 90 MHz % max Load =15 pF, 10 - 90% Load =15 pF, 10 - 90% Fall Time Start-up Time Aging Jitter Output Load Modulation Frequency (Fm) 3.2 typ. 2.3 typ. 10 ms max. 3 ms typ. +/- 5ppm max. /year 500 ps. max. 10-LSTTL or 15 pF 20 - 40 kHz 0C to +70C 15 - 120 MHz Download Spread Spectrum Clocking application note on Abracon website at www.abracon.com/emi/ssc. Table 3 FACTORY BANDWIDTH SELECTION (10%) FACTOR BANDWIDTH SELECTION OPTIONS: BANDWIDTH % Center Spread C1 0.625 C2 1.25 C3 2.50 C4 5.00 ORDERING OPTION ASSH - FREQUENCY - FREQ. STABILITY - BANDWIDTH -Cx = Center Spread (See table 3 for options) Fo in MHz as; XXX.XXXX -R for 25 ppm max -K for 30 ppm max -H for 35 ppm max -C for 50 ppm max Example: ASSH-048.0000-C-C4 Would be the part number for a 48.0000 MHz, 5.0% center spread with a +/-50 ppm center frequency accuracy . ABRACON IS ISO 9001 / QS 9000 CERTIFIED Rev. 2.4 NOTE: Left blank if standard * All specifications and markings subject to change without notice ABRACON (R) 29 Journey * Aliso Viejo, CA 92656 * USA (949) 448-7070 * FAX: (949) 448-8484 E-MAIL: abinfo@ abracon.com * INTERNET ADDRESS: www.abracon.com C O R P O R AT I O N 05/2003 19 |
Price & Availability of ASSH
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