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 0°C to + 70°C (see options) -65°C to +150°C 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 Revised: 07.23.09 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Visit www.abracon.com for Terms & Conditions of Sale 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 3.3 ± 5% Vdc ASSML E F N L - - - Frequency Stability R ±25ppm K ±30ppm H ±35ppm C ±50ppm Operation Temp. -20°C to +70°C -30°C to +70°C -30°C to +85°C -40°C to +85°C Packaging T Tape & Reel (>1k) Spread Type Down Spread See Table 2.1 Center Spread See Table 2.1 Table 2.1 BANDWIDTH SELECTION Frequency (MHz) ABRACON IS ISO 9001 / QS 9000 CERTIFIED Center Spread (%) Down Spread (%) C1 C3 D1 D3 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 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: 07.23.09 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 NOTE: Abracon manufactured products are intended for general commercial and industrial use. For applications requiring high reliability and/or presenting extreme operating environment, written consent & authorization from Abracon is required. ABRACON IS ISO 9001 / QS 9000 CERTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 07.23.09 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com