MB88152A
Spread Spectrum Clock Generator
MB88152A is a clock generator for EMI (Electro Magnetic Interference) reduction. The peak of unnecessary radiation
noise (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically with the internal mod-
ulator. It corresponds to both of the center spread which modulates input frequency as Middle Centered and down
spread which modulates so as not to exceed input frequency.
Features
■ Input frequency : 16.6 MHz to 134 MHz
■ Output frequency : 16.6 MHz to 134 MHz
■ Modulation rate : ± 0.5%, ± 1.5% (Center spread), − 1.0%, − 3.0% (Down spread)
■ Equipped with oscillation circuit: Range of oscillation 16.6 MHz to 48 MHz
■ Modulation clock output Duty : 40% to 60%
■ Modulation clock Cycle-Cycle Jitter : Less than 100 ps
■ Low current consumption by CMOS process : 5.0 mA (24 MHz : Typ-sample, no load)
■ Power supply voltage : 3.3 V ± 0.3 V
■ Operating temperature : − 40° to +85 °C
■ Package : SOP 8-pin
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-08308 Rev. *B
• San Jose, CA 95134-1709 • 408-943-2600
Revised Monday, December 25, 2017