SG521 Description
IMI SG521/22/24/28 products are Spread Spectrum Clock Generators designed to reduce the high levels of Electromagnetic Interference (EMI) found in high-speed digital systems. By using a modulated clock as the source for all system clocks and timing signals, the amount of radiated energy (EMI) throughout the system is greatly reduced. Energy reduction is related to the harmonic frequency, such that the higher the...
SG521 Key Features
- Generates Spread Spectrum Clock (SSC)
- Programmable Frequencies from 10 to 120 MHz
- 1.25% and 3.25% Down-Spread Options
- Separate Non-Modulated Clock
- Pin-Programmable Spread on/off Function
- 50% Output Clock Duty Cycle
- Power-Down Mode for Low Power Dissipation
- TTL or CMOS patible Outputs
- Low Cycle-to-Cycle Jitter of 250 ps-max
- External Clock or Crystal Oscillator Operation