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ABE0113 Datasheet(PDF) 1 Page - Abracon Corporation

Part No. ABE0113
Description  Low EMI Spread Spectrum Multiplier Clock
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Maker  ABRACON [Abracon Corporation]
Homepage  http://www.abracon.com/index.htm
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ABE0113 Datasheet(HTML) 1 Page - Abracon Corporation

   
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ABE0113
Low EMI Spread Spectrum Multiplier Clock
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1
FEATURES
• Spread Spectrum Clock Generator with selectable
multiplier ( 1x, 2x and 4x ).
• Output frequency ranges: 24MHz to 240MHz.
• Selectable Down Spread Modulation.
• TTL/CMOS compatible outputs.
• 3.3V Operating Voltage.
• Low short term jitter.
• Available in 8-Pin 150mil SOIC.
DESCRIPTION
The ABE0113 is a Spread Spectrum Clock Generator
designed for the purpose of reducing EMI in high-
speed digital systems. The selectable Down Spread
modulation magnitude (see table below) permits EMI
reduction without over-clocking the output. The
device operates over a very wide range of input
frequencies and provides 1x to 4x modulated clock
outputs.
PIN CONFIGURATION
Note: v: 30k
Ω Internal Pull down ^: 30kΩ Internal Pull up.
OUTPUT CLOCK (FOUT) SELECTION
Spread Spectrum Modulation
S3
S2
S1
S0
FIN Range
(MHz)
FOUT
Frequency
Magnitude
0
0
0
0
24 - 60
X1
-1.5%
0
0
0
1
24 - 60
X1
-2.0%
0
0
1
0
24 - 60
X1
-2.5%
0
0
1
1
24 - 60
X1
-3.0%
0
1
0
0
24 - 60
X2
-0.5%
0
1
0
1
24 - 60
X2
-1.0%
0
1
1
0
24 - 60
X2
-1.5%
0
1
1
1
24 - 60
X2
-2.0%
1
0
0
0
24 - 60
X2
-2.5%
1
0
0
1
24 - 60
X2
-3.0%
1
0
1
0
24 - 60
X4
-0.5%
1
0
1
1
24 - 60
X4
-1.0%
1
1
0
0
60 - 120
X1
-0.5%
1
1
0
1
60 - 120
X1
-1.0%
1
1
1
0
60 - 120
X1
-1.5%
1
1
1
1
60 - 120
X1
Fin / 1024
-2.0%
1
2
3
45
6
7
8
FIN
S2^
S1^
S0v
VD
D
FOUT
GND
S3v
FIN = 24 ~ 120 Mhz


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