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PDF PL671-01 Data sheet ( Hoja de datos )
| Número de pieza | PL671-01 | |
| Descripción | Programmable Spread Spectrum Clock | |
| Fabricantes | PLL | |
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Hay una vista previa y un enlace de descarga de PL671-01 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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P(Preliminary) L671-01
PicoEMITM Programmable Spread Spectrum Clock
FEATURES
• Advanced programmable PLL with Spread Spectrum
• Crystal or Reference Clock input
o Fundamental crystal: 10MHz to 40MHz
o Reference input: 1MHz to 200MHz
• Accepts ≥0.1V reference signal input voltage
• Output frequency range: up to 166MHz @ 2.5V or
up to 200Mhz @ 3.3V operation
• Up to 3 programmable outputs
• Programmable Spread Spectrum Modulation
Magnitude:
o Center Spread: ±0.125% to ±2.0% in ±0.125%
steps
o Down Spread: -0.25% to -4.0% in 0.25% steps
• Spread Spectrum On/Off selection
• Programmable output drive (4mA, 8mA, 16mA)
• Low Cycle to Cycle jitter.
• Single 2.5V or 3.3V ± 10% power supply
• Available in 8-pin SOP, MSOP and 6-pin SOT
GREEN/RoHS compliant packaging
DESCRIPTION
The PL671-01 is an advanced programmable Spread
Spectrum clock generator (PSSCG), and a member
of PhaseLink’s PicoPLL™ Programmable Clock
family.
The PL671-01 offers up to three 200MHz outputs,
and allows for programming the modulation type
(Center or Down Spread) as well as 16 modulation
magnitudes (±0.125% to ±2.0% or -0.25% to -4.0%).
In addition, the CSEL[0:1] pins can be used to toggle
the device thru 4 pre-programmed configurations.
The option of being able to turn ‘ON/OFF’ the
Spread Spectrum modulation allows for completing a
design with PL671-01 and having the assurance of
turning ‘ON’ the EMI modulation, if EMI becomes an
issue. The PL671-01’s frequency modulation
greatly reduces the fundamental and harmonic
frequencies’ peak magnitude, therefore reducing the
system level Electro Magnetic Interference (EMI), by
as much as 20dB
PIN CONFIGURATION
BLOCK DIAGRAM
Note: ^ Denotes 60KΩ Pull-up resistor
VCO REF
OUT VCO
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 2/9/2007 Page 1
1 page  
www.DataSheet4U.com
P(Preliminary) L671-01
PicoEMITM Programmable Spread Spectrum Clock
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 2/9/2007 Page 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PL671-01.PDF ] | |
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