|
|
Numéro de référence | ABE0121 | ||
Description | Low EMI Spread Spectrum Multiplier Clock | ||
Fabricant | Abracon Corporation | ||
Logo | |||
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.
DESCRIPTION
The ABE0121 is a Spread Spectrum Clock Generator
designed for the purpose of reducing EMI in high-
speed 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.
PIN CONFIGURATION
FIN 1
S2^ 2
S1^ 3
S0v 4
8 VDD
7 S3^
6 FOUT
5 GND
FIN = 24 ~ 200 Mhz
Note: v: 30kΩ Internal Pull down. ^: 30kΩ Internal Pull up.
SST BY-PASS SELECTOR
S3 Spread Spectrum Mode
0 OFF
1 ON (See below) Default
Note: S3 has an internal Pull Up. Default=”1”
MODULATION MAGNITUDE SELECTION
S2
S1
S0
FIN Range
(MHz)
000
001
010
011
100
101
110
111
24 - 200
24 - 200
24 - 200
24 - 200
24 - 200
24 - 200
24 - 200
24 - 200
FOUT
X1
X1
X1
X1
X1
X1
X1
X1
Spread Spectrum Modulation
Frequency
Fin / 1024
Magnitude
±0.75%
±1.00%
±1.25%
±0.125%
±0.25%
±0.50%
±0.375%
±0.625%
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1
|
|||
Pages | Pages 4 | ||
Télécharger | [ ABE0121 ] |
No | Description détaillée | Fabricant |
ABE0121 | Low EMI Spread Spectrum Multiplier Clock | Abracon Corporation |
ABE0125 | Low EMI Spread Spectrum Multiplier Clock | Abracon Corporation |
ABE0126 | Low EMI Spread Spectrum Multiplier Clock | Abracon Corporation |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
www.DataSheetWiki.com | 2020 | Contactez-nous | Recherche |