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MB88161

Spread Spectrum Clock Generator

Fujitsu 

FUJITSU SEMICONDUCTOR

DATA SHEET

DS04-29121-1E

Spread Spectrum Clock Generator

MB88161

■ DESCRIPTION

MB88161 is a clock generator for EMI (Electro Magnetic Interference) reduction. The peak of unnecessary radi-

ation noise (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically with the

internal modulator.

■ FEATURES

• Input frequency : 20 MHz to 28 MHz (Multiplied by 1), 14 MHz to 40 MHz (Multiplied by 2)

• Multiplication rate : 1, 2

• Output frequency : 20 MHz to 28 MHz (Multiplied by 1), 28 MHz to 80 MHz (Multiplied by 2)

• Modulation rate : no modulation, ± 0.5%, ± 1.0%, ± 2.0%, − 1.0%, − 2.0%, − 4.0% (The terminal can be selected.)

• Equipped with oscillation circuit : Range of oscillation 10 MHz to 40 MHz

• Built-in oscillation stabilization capacitance : 4pF (Typ)

• Modulation clock output Duty : 40% to 60%

• Modulation clock Cycle-Cycle Jitter : Less than 100 ps

• Low current consumption by CMOS process : 7.0 mA (24 MHz : no load, Typ-sample, Typ-condition)

• Power supply voltage : 2.7 V to 3.6 V

• Operating temperature : − 40 °C to + 85 °C

• Package : BCC 18-pin

■ PACKAGE

18-pin plastic BCC

(LCC-18P-M05)

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