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MB88152A-112

Spread Spectrum Clock Generator

Cypress Semiconductor 

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

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