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MB88153

Part Number	MB88153
Manufacturer	Fujitsu Media Devices
Description	Spread Spectrum Clock Generator
Published	Dec 4, 2006
Detailed Description	www.DataSheet4U.com FUJITSU SEMICONDUCTOR DATA SHEET DS04-29118-2E Spread Spectrum Clock Generator MB88153 ■ DESCRIP...
Datasheet	MB88153 PDF File

Overview

www.
DataSheet4U.
com FUJITSU SEMICONDUCTOR DATA SHEET DS04-29118-2E Spread Spectrum Clock Generator MB88153 ■ DESCRIPTION MB88153 is a clock generator for EMI (Electro Magnetic Interference) reduction.
The peak of unnecessary (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically with the internal modulator.
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.
■ FEATURE • • • • • • • • • • Power down pin : 600 µA (Max) consumption current at power down Input frequency : 16.
6 MHz to 134 MHz Output frequency : 16.
6 MHz to 134 MHz (One-fold input frequency) Modulation rate can select from ± 0.
5%, ± 1.
5% − 1.
0% or − 3.
0%.
(For center spread / down spread.
) Modulation clock output Duty : 40% to 60% Modulation clock Cycle-Cycle Jitter : Less than 100 ps Low current consumption by CMOS process : 4.
0 mA (24 MHz : Typ-sample, no load) Power supply voltage : 3.
3 V ± 0.
3 V Operating temperature : − 40 °C to +85 °C Package : SOP 8-pin ■ PACKAGE 8-pin plastic SOP (FPT-8P-M02) MB88153 ■ PRODUCT LINEUP MB88153 has four kinds of modulation rate and modulation type (center/down spread).
Product Modulation rate Modulation type MB88153-100 MB88153-101 MB88153-110 MB88153-111 −1.
0% −3.
0% ±0.
5% ±1.
5% Down Center ■ PIN ASSIGNMENT TOP VIEW CKIN 1 VDD 2 VSS 3 CKOUT 4 8 XPD MB88153 7 FREQ0 6 FREQ1 5 ENS FPT-8P-M02 ■ PIN DESCRIPTION Pin name CKIN VDD VSS CKOUT ENS FREQ1 FREQ0 XPD I/O I ⎯ ⎯ O I I I I Pin no.
1 2 3 4 5 6 7 8 Clock input pin Power supply voltage pin GND pin Modulated clock output pin “L” output at power down Modulation enable setting pin Frequency setting pin Frequency setting pin (with pull-up resistor) Power down pin (with pull-up resistor) Power down at “L” input Description 2 MB88153 ■ I/O CIRCUIT TYPE Pin Circuit type Remarks • CMOS hysteresis input CKIN, ENS, FREQ1 • CMOS hysteresis input with pull-up resistor...

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