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ABE0117 Datasheet(PDF) 1 Page - Abracon Corporation |
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ABE0117 Datasheet(HTML) 1 Page - Abracon Corporation |
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1 / 5 page  ABE0117 Low EMI Spread Spectrum Multiplier Clock 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com Rev 08/12/04 Page 1 FEATURES • Spread Spectrum Clock Generator with selectable multiplier ( 1x, 2x, 2.94x and 4x ). • Output frequency ranges: 16MHz to 200MHz. • Center Spread Modulation. • TTL/CMOS compatible outputs. • 3.3V Operating Voltage. • Low short term jitter. • Available in 8-Pin 150mil SOIC. DESCRIPTION The ABE0117 is a Spread Spectrum Clock Generator designed for the purpose of reducing EMI in high- speed digital systems, with selectable Center Spread modulation magnitude (see table below). The multiplication factor can be selected from 4 multiplier modes. The device operates over a wide range of input frequencies and provides 1x, 2x. 2.94x and 4x modulated clock outputs. PIN CONFIGURATION Note: v: 30k Ω Internal Pull down. ^: 30kΩ Internal Pull up. OUTPUT CLOCK (FOUT) SELECTION Spread Spectrum Modulation S3 S2 S1 S0 FIN Range (MHz) FOUT Frequency Magnitude 0 0 0 0 16 - 40 X1 ±0.75% 0 0 0 1 16 - 40 X1 ±1.00% 0 0 1 0 16 - 40 X1 ±1.25% 0 0 1 1 16 - 40 X1 ±1.50% 0 1 0 0 16 - 40 X2 ±0.25% 0 1 0 1 16 - 40 X2 ±0.50% 0 1 1 0 16 - 40 X2 ±0.75% 0 1 1 1 16 - 40 X2 Fin / 512 ±1.00% 1 0 0 0 24 - 60 X2 ±1.25% 1 0 0 1 24 - 60 X2 ±1.50% 1 0 1 0 24 - 50 X4 ±0.25% 1 0 1 1 24 - 50 X4 Fin / 1024 ±0.50% 1 1 0 0 16 - 40 X2.94 ±0.25% 1 1 0 1 16 - 40 X2.94 ±0.50% 1 1 1 0 16 - 40 X2.94 ±0.75% 1 1 1 1 16 - 40 X2.94 Fin / 1000 ±1.00% 1 2 3 45 6 7 8 FIN S2^ S1^ S0v VDD FOUT GND S3v FIN = 16 ~ 60 Mhz |
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