LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR ASSM/ASSML SERIES Pb RoHS Compliant FEATURES: * Patented spread spectrum technology. * Meets FCC and EMC Directive for EMI requirements. * Standard TTL or HCMOS compatible output. * Drop-in replacement for standard plastic SMD crystal oscillators * Reduce electromagnetic emissions up to 20dB! 14.27 x 10.7 x 5.3mm | | | | | | | | | | | | | | | APPLICATIONS: * Telecommunications. * Capital equipment. * Aerospace. * Consumer electronics, printers. * Medical equipment. STANDARD SPECIFICATIONS: ABRACON P/N: Operating temperature: Storage temperature: ASSM-ASSML 0C to + 70C (see options) -65C to +150C Description Parameter Min Max Unit VDD 3.125 3.465 V VDD 4.750 5.250 V FO 4.000 128.000 MHz Output Low Voltage @ 4 mA VOL1 --- 0.4 V Output Low Voltage @ 10 mA VOL2 --- 1.2 V Output High Voltage @ 4 mA VOH1 2.4 --- V Output High Voltage @ 6 mA VOH2 2.0 --- V Output Load CL --- 15 pF Rise Time T R1 2.0 5.0 ns Fall Time TF1 2.0 4.4 ns Output Clock Duty Cycle 4-8Mhz TDCOUT 40 60 % Output Clock Duty Cycle 8Mhz > TDCOUT 45 55 % F=4MHz T CCJ1 --- 800 ps F=8MHz T CCJ1 --- 450 ps F=16MHz T CCJ2 --- 400 ps F=32MHz T CCJ3 --- 380 ps F=64MHz T CCJ4 --- 380 ps F=128MHz T CCJ5 --- 380 ps ASSML (3.3V) Operating Voltage +/-5% ASSM (5V) Operating Voltage +/-5% Frequency Range Cycle-to-Cycle Jitter ABRACON IS ISO 9001 / QS 9000 CERTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.09.09 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR ASSM/ASSML SERIES Pb RoHS Compliant 14.27 x 10.7 x 5.3mm | | | | | | | | | | | | | | | OPTIONS AND PART IDENTIFICATION (Left blank if standard) ASSM(L) - Frequency Operating Voltage ASSM 5.0 5% Vdc ASSML 3.3 5% Vdc E F N L - - - Frequency Stability R 25ppm K 30ppm H 35ppm C 50ppm Operation Temp. -20C to +70C -30C to +70C -30C to +85C -40C to +85C Packaging T Tape & Reel (>1k) Spread Type Down Spread See Table 2.1 Center Spread See Table 2.1 Table 2.1 BANDWIDTH SELECTION Center Spread (%) ABRACON IS ISO 9001 / QS 9000 CERTIFIED Down Spread (%) (MHz) C1 C3 4-5 1.4 0.5 -3 -1.9 5-6 1.3 0.4 -2.7 -1.7 6-7 1.2 0.4 -2.5 -1.5 D1 D3 7-8 1.1 0.3 -2.3 -1.4 8 - 10 1.4 0.5 -3 -1.9 10 - 12 1.3 0.4 -2.7 -1.7 12 - 14 1.2 0.4 -2.5 -1.5 14 - 16 1.1 0.3 -2.3 -1.4 16 - 20 1.4 0.5 -3 -1.9 20 - 24 1.3 0.4 -2.7 -1.7 24 - 28 1.2 0.4 -2.5 -1.5 28 - 32 1.1 0.3 -2.3 -1.4 32 - 40 1.4 0.5 -3 -1.9 40 - 48 1.3 0.4 -2.7 -1.7 48 - 56 1.2 0.4 -2.5 -1.5 56 - 64 1.1 0.3 -2.3 -1.4 64 - 80 1.4 0.5 -3 -1.9 80 - 96 1.3 0.4 -2.7 -1.7 96 - 112 1.2 0.4 -2.5 -1.5 112 - 128 1.1 0.3 -2.3 -1.4 Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.09.09 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR Pb RoHS Compliant ASSM/ASSML SERIES 14.27 x 10.7 x 5.3mm | | | | | | | | | | | | | | | OUTLINE DIMENSIONS Recommended Land Pattern 0.197 (5.0) PIN NO. 1 2 3 4 FUNCTION NC GND Output Vdd Dimension : Inches (mm) REFLOW PROFILE PACKING: T= tape and reel (1,000pcs/reel) Dimension : mm ABRACON IS ISO 9001 / QS 9000 CERTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.09.09 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com