Microchip SY89537L Manual

Microchip Ikke kategoriseret SY89537L

Læs gratis den danske manual til Microchip SY89537L (6 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 12 personer og har en gennemsnitlig bedømmelse på 3.6 stjerner ud af 6.5 anmeldelser. Har du et spørgsmål om Microchip SY89537L, eller vil du spørge andre brugere om produktet?

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Side 1/6
3.3V, Precision LVPECL and LVDS
Programmable Multiple Output Bank
Clock Synthesizer and Fanout Buffer
SY89537L Evaluation Board
March 2005
M9999-032205
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY89537L integrated, programmable clock
synthesizer and fanout buffer evaluation board is
designed for convenient setup and quick evaluation of
the device. The evaluation board has AC-coupled
outputs and is optimized to interface directly to 50Ω
test equipment. For increased flexibility, the
SY89537L evaluation board has both an on-board
16.6MHz series resonant crystal, and provisions to
accept an external reference input.
Data sheets and support documentation can be found
on Micrel's web site at: www.micrel.com .
Features
• Evaluation board for the 3.3V, precision LVPECL
and LVDS programmable multiple output bank
clock synthesizer and fanout buffer
• +3.3V ±10% power supply (+2.5V output capable)
• Loop filter configured for lowest total jitter and best
reference spur attenuation
• Loop filter reconfigurable for best stability and
ultra-low, cycle-to-cycle jitter
• AC-coupled output configuration for direct
interface to 50Ω equipment
• On board dip switches for ease of use
Related Documentation
•
SY89537L 3.3V, Precision LVPECL and LVDS
Programmable Multiple Output Bank Clock
Synthesizer and Fanout Buffer Data Sheet
____________________________________________________________________________________
Evaluation Board
Micrel, Inc.
SY89537L Evaluation Board
March 2005
M9999-032205
hbwhelp@micrel.com or (408) 955-1690
2
Evaluation Board Description
Crystal and DC-Coupled Reference Inputs
The SY89537L evaluation board is designed to
accept either a reference DC-coupled input or a
crystal, which is mounted on the evaluation board.
The DC-coupled reference input accepts any input
logic standard including single-ended and differential
TTL/CMOS, LVPECL, LVDS, HSTL, and SSTL.
External Loop Filter
The SY89537L features a user configurable external
loop filter. The evaluation board has been configured
for ultra-low total jitter and best reference spur
reduction. The evaluation board can be reconfigured
for best stability and ultra-low, cycle-to-cycle jitter by
substituting the pole capacitor C5 with a 100pF
capacitor.
AC-Coupled Output
The SY89537L is packaged in a 44-pin MLF™. The
SY89537L evaluation board is designed to operate
from a +3.3V or +2.5V source to power the output
buffers and from a +3.3V source to power the chip
core. The LVPECL and LVDS outputs are configured
in AC-coupled configuration designed to drive 50Ω
equipment.

Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: SY89537L

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