W181
Peak Reducing EMI Solution
Features
• Cypress PREMIS™ family offering • Generates an EMI optimized clocking signal at the output • Selectable input to output frequency • Single 1.
25% or 3.
75% down or center spread output • Integrated loop filter components • Operates with a 3.
3V or 5V supply • Low power
CMOS design • Available in 8-pin SOIC (Small Outline Integrated Circuit) or 14-pin TSSOP (Thin Shrink Small Outline Package select options only) Table 1.
Modulation Width Selection SS% 0 1 W181-01, 02, 03 Output Fin ≥ Fout ≥ Fin – 1.
25% Fin ≥ Fout ≥ Fin – 3.
75% W181-51, 52, 53 Output Fin + 0.
625% ≥ Fin≥ – 0.
625% Fin + 1.
875% ≥ Fin≥ –1.
875%
Table 2.
Frequency Range Selection W181 Option...