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ABE0121

Part Number	ABE0121
Manufacturer	Abracon Corporation
Description	Low EMI Spread Spectrum Multiplier Clock
Published	Oct 14, 2007
Detailed Description	www.DataSheet4U.com ABE0121 Low EMI Spread Spectrum Multiplier Clock FEATURES • • • • • • • Spread Spectrum Clock Gener...
Datasheet	ABE0121 PDF File

Overview

www.
DataSheet4U.
com ABE0121 Low EMI Spread Spectrum Multiplier Clock FEATURES • • • • • • • Spread Spectrum Clock Generator with selectable SST mode.
Output frequency ranges: 24MHz to 200MHz.
Selectable Center Spread Modulation.
TTL/CMOS compatible outputs.
3.
3V Operating Voltage.
Low short-term jitter.
Available in 8-Pin 150mil SOIC.
PIN CONFIGURATION FIN S2^ S1^ S0v 1 8 VDD S3^ FOUT GND ABE0121 2 3 4 7 6 5 FIN = 24 ~ 200 Mhz Note: v: 30k Ω Internal Pull down.
^: 30k Ω Internal Pull up.
DESCRIPTION The ABE0121 is a Spread Spectrum Clock Generator designed for the purpose of reducing EMI in highspeed digital systems, with selectable Center Spread modulation magnitude (see table below).
The device operates over a very wide range of input frequencies and provides a 1x modulated clock output.
SST BY-PASS SELECTOR S3 0 1 Spread Spectrum Mode OFF ON (See below) Default Note: S3 has an internal Pull Up.
Default=”1” MODULATION MAGNITUDE SELECTION S2 0 0 0 0 1 1 1 1 S1 0 0 1 1 0 0 ...

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