ABE0111

www.DataSheet4U.com ABE0111 Low EMI Spread Spectrum Multiplier Clock FEATURES Spread Spectrum Clock Generator with selectable multiplier ( 1x, 2x and 4x ). Output frequency ranges: 24MHz to 240MHz. Selectable center spread modulation rate. TTL/CMOS compatible outputs. 3.3V Operating Voltage. Low short term jitter. Available in 8-Pin 150mil SOIC. PIN CONFIGURATION FIN S2^ S1^ S0v 1 8 VD D S3v FOUT GND ABE0111 2 3 4 7 6 5 FIN = 24 ~ 120 Mhz Note: v: 30k Ω Internal Pull down. ^: 30k Ω Internal Pull up. DESCRIPTION The ABE0111 is a Spread Spectrum Clock Generator designed for the purpose of reducing EMI in highspeed digital systems, with the selectable Center Spread modulation amplitude (see table below). The output frequency is selected by programming 4 multiplier modes. The device operates over a very wide range of input frequencies and provides 1x to 4x modulated clock outputs. OUTPUT CLOCK (FOUT) SELECTION S3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 S2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 S1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 S0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 FIN Range (MHz) 24 24 24 24 24 24 24 24 60 60 60 60 60 60 60 60 Spread Spectrum Modulation FOUT X1 X1 X1 X1 X2 X2 X2 X2 X2 X2 X4 X4 X1 X1 X1 X1 Frequency Magnitude ± 0.75% ± 1.00% ± 1.25% ± 1.50% ± 0.25% ± 0.50% ± 0.75% ± 1.00% ± 1.25% ± 1.50% ± 0.25% ± 0.50% ± 0.25% ± 0.50% ± 0.75% ± 1.00% 24 - 60 24 - 60 24 - 60 24 - 60 60 60 60 60 120 120 120 120 Fin / 1024 30332 Esperanza., Rancho Santa Margarita, Ca ...