LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR ASSM/ASSML SERIES *RoHS COMPLIANT 14.27 x 10.7 x 5.3mm | | | | | | | | | | | | | | | 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! APPLICATIONS: • Telecommunications. • Capital equipment. • Aerospace. • Consumer electronics, printers. • Medical equipment. STANDARD SPECIFICATIONS: PARAMETERS Frequency Range (Fo) Operating Temperature (Topr) Storage Temperature (Tsto) Frequency Stability vs. Temp (dF/Fo) Operating Supply Voltage (VDC) Operating Input Current (IDD) duty Cycle Rise time Full time Output Voltage (VOH/VOL) Start Up Time Aging Jitter (CCJ1) Jitter (CCJ2) Jitter (CCJ3) Jitter (CCJ4) Jitter (CCJ5) Output Load Bandwidth Accuracy ASSM ASSML CONDITIONS 3.500MHz ~ 128.000MHz -40°C to +85°C (See Ordering Options) -65°C to +150°C ± 100 ppm max. (See Ordering Options) 5.0 Vdc 3.3 Vdc 30 mA max. 45/55 5.0 nS 3.5 nS 5.0 nS 3.5 nS 3.0 Vdc min. / 0.4 Vdc max. 10 mS max. / 3 mS typ. ± 5 ppm max. / year 625 pS typ. 225 pS typ. 125 pS typ. 135 pS typ. 180 pS typ. 10 - LS TTL or 15 pF ± 10 % ± 5% % max. 15 pF 15 pF +25°C F = 4 MHz F = 8 MHz F = 32 MHz F = 64 MHz F = 128 MHz OUTLINE DRAWING: ABRACON IS ISO 9001 / QS 9000 CERTIFIED rev2.1-5/06 Recommended Land Pattern PIN 1 2 3 4 5 FUNCTION Input Input-GND GND Output Output 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 *RoHS COMPLIANT 14.27 x 10.7 x 5.3mm | | | | | | | | | | | | | | | OPTIONS AND PART IDENTIFICATION (Left blank if standard): ASSM(L) - Frequency - Temperature - Frequency Stability - Bandwidth - Packaging Frequency stability option: - R for ± 25 ppm max. - K for ± 30 ppm max. - H for ± 35 ppm max. - C for ± 50 ppm max. Operating Voltage: - ASSML = 3.3 ± 5 % Vdc - ASSM = 5.0 ± 5 % Vdc Temperature options: - E for -20°C to +70°C - F for -30°C to +70°C - N for -30°C to +85°C - L for -40°C to +85°C Bandwidth option: - CX = Center Spread - DX = Down Spread (See table above for selection options) Packaging option: - T for Tape and Reel * Example: ASSM-48.000-E-C-C1-T would be the part number for a 48.000MHz, ±1.2% certer spread with a ± 50 ppm center frequency accuracy. FACTORY BANDWIDTH SELECTION: FREQ. (MHz) Order Options 4-5 5-6 6-7 7-8 8 - 10 10 - 12 12 - 14 14 - 16 16 - 20 20 - 24 24 - 28 28 - 32 32 - 40 40 - 48 48 - 56 56 - 64 64 - 80 80 - 96 96 - 112 112 - 128 C1 ± 1.4 ± 1.3 ± 1.2 ± 1.1 ± 1.4 ± 1.3 ± 1.2 ± 1.1 ± 1.4 ± 1.3 ± 1.2 ± 1.1 ± 1.4 ± 1.3 ± 1.2 ± 1.1 ± 1.4 ± 1.3 ± 1.2 ± 1.1 rev2.1-5/06 ABRACON IS ISO 9001 / QS 9000 CERTIFIED CENTER SPREAD (%) C2 ± 1.2 ± 1.1 ± 0.9 ± 0.9 ± 1.2 ± 1.1 ± 0.9 ± 0.9 ± 1.2 ± 1.1 ± 0.9 ± 0.9 ± 1.2 ± 1.1 ± 0.9 ± 0.9 ± 1.2 ± 1.1 ± 0.9 ± 0.9 C3 ± 0.6 ± 0.5 ± 0.5 ± 0.4 ± 0.6 ± 0.5 ± 0.5 ± 0.4 ± 0.6 ± 0.5 ± 0.5 ± 0.4 ± 0.6 ± 0.5 ± 0.5 ± 0.4 ± 0.6 ± 0.5 ± 0.5 ± 0.4 C4 ± 0.5 ± 0.4 ± 0.4 ± 0.3 ± 0.5 ± 0.4 ± 0.4 ± 0.3 ± 0.5 ± 0.4 ± 0.4 ± 0.3 ± 0.5 ± 0.4 ± 0.4 ± 0.3 ± 0.5 ± 0.4 ± 0.4 ± 0.3 DOWN SPREAD (%) D1 -3.0 -2.7 -2.5 -2.3 -3.0 -2.7 -2.5 -2.3 -3.0 -2.7 -2.5 -2.3 -3.0 -2.7 -2.5 -2.3 -3.0 -2.7 -2.5 -2.3 D2 -2.2 -1.9 -1.8 -1.7 -2.2 -1.9 -1.8 -1.7 -2.2 -1.9 -1.8 -1.7 -2.2 -1.9 -1.8 -1.7 -2.2 -1.9 -1.8 -1.7 D3 -1.9 -1.7 -1.5 -1.4 -1.9 -1.7 -1.5 -1.4 -1.9 -1.7 -1.5 -1.4 -1.9 -1.7 -1.5 -1.4 -1.9 -1.7 -1.5 -1.4 D4 -0.7 -0.6 -0.6 -0.5 -0.7 -0.6 -0.6 -0.5 -0.7 -0.6 -0.6 -0.5 -0.7 -0.6 -0.6 -0.5 -0.7 -0.6 -0.6 -0.5 (KHz) 31.25 - 39.06 39.06 - 46.88 46.88 - 54.69 54.69 - 62.50 31.25 - 39.06 39.06 - 46.88 46.88 - 54.69 54.69 - 62.50 31.25 - 39.06 39.06 - 46.88 46.88 - 54.69 54.69 - 62.50 31.25 - 39.06 39.06 - 46.88 46.88 - 54.69 54.69 - 62.50 31.25 - 39.06 39.06 - 46.88 46.88 - 54.69 54.69 - 62.50 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com