W181-01G

The Infineon Technologies W181-01G is a member of the Cypress PREMIS family, designed as a clock/frequency synthesizer and spread spectrum clock generator. This component utilizes PLL technology to modulate the output clock frequency, effectively reducing peak EMI emissions. It is suitable for applications requiring EMI suppression without costly redesigns.

Key electrical specifications include a wide supply voltage range of 3.135V to 5.5V and a maximum output frequency of 75MHz. The input can accept clock or crystal signals, and the output is CMOS compatible. It features selectable spread percentages of 1.25% or 3.75% and a worst-case output duty cycle of 40/60%. Cycle-to-cycle jitter is limited to a maximum of 300 ps, and output rise/fall times are a maximum of 5 ns.

The W181-01G is available in an 8-SOIC surface mount package. It operates within a temperature range of 0°C to 70°C. The device is designed for low-power CMOS operation and integrates loop filter components.

This spread spectrum clock generator is beneficial in systems where EMI reduction is critical, impacting not only clock lines but also synchronized signals, thus increasing benefits with more address and data lines.