Instrukcja obsługi Microchip SY89322V


Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Microchip SY89322V (8 stron) w kategorii nieskategoryzowany. Ta instrukcja była pomocna dla 4 osób i została oceniona przez 2 użytkowników na średnio 4.5 gwiazdek

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August 2004 M9999-080304
hbwhelp@micrel.com or (408) 955-1690
Dual TTL/LVTTL-to-Differential
PECL/LVPECL Translator
SY89222L/SY89322V Evaluation Board
General Description
The SY89222L and SY89322V evaluation boards are
designed for convenient setup and quick evaluation of
these devices.
The evaluation board standard configuration is AC-
coupled for direct interface to a 50Ω compatible
oscilloscope without split supplies. For applications
that require a DC-coupled configuration, step-by-step
instructions for modifying the board are included.
The boards are fully assembled and tested. All data
sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
SY89222L: Single +3.3V power supply
SY89322V: Single +3.3V or +5V power supply
AC-coupled configuration for ease-of-use
I/O interface includes on-board termination
Fully assembled and tested
Reconfigurable for DC-coupled operation
Related Documentation
SY89222L, 3.3V Dual TTL-to-Differential PECL
Translator data sheet
SY89322V, 3.3V/5V Dual LVTTL/LVCMOS-to-
Differential LVPECL Translator data sheet
____________________________________________________________________________________
Evaluation Board
Micrel SY89222L and SY89322V Evaluation Board
August 2004 M9999-080304
hbwhelp@micrel.com or (408) 955-1690
2
Evaluation Board Description
The SY89222L and SY89322V share a common
evaluation board. The individual evaluation boards
are labeled to identify the specific device and the
configuration, either AC-coupled or DC-coupled
configuration for that board.
The default configuration for the board is the AC-
coupled configuration and all boards are shipped with
this configuration. The choice between two
configurations offers the user flexibility in selecting the
board that is right for his particular application.
AC-Coupled Evaluation Board: Direct 50 Scope
Interface
The AC-coupled configuration is suited to most
customer applications and is preferred by the majority
of users because of its ease-of-use. It requires only a
single power and offers the most flexibility in
interfacing to a variety of signal sources.
The AC-coupled configuration is suited to most
customer applications and is preferred by the majority
of users because of its ease-of-use. It requires only a
single power supply of either 3.3V +10% or 5.0V
+10% and offers the most flexibility in interfacing to a
variety of signal sources.
DC-Coupled Evaluation Board
For DC-coupled operation, the board can be modified
to interface directly to a PECL input on another
device.
Step-by-step instructions for modifying an AC-coupled
evaluation board for DC-coupled operation are
supplied in the “Modifying your AC-Coupled Board for
DC-Coupled Operation” section.
Micrel SY89222L and SY89322V Evaluation Board
August 2004 M9999-080304
hbwhelp@micrel.com or (408) 955-1690
3
Evaluation Board
I/O
Power
Supply
VCC
GND
VEE
C7-C8
DC-In/AC-Out
2.5V
+2.5V
0
0
0.1 Fµ
DC-In/AC-Out
3.3V
+3.3V
0
0
0.1 Fµ
Table 1. SY89222L/SY89322V Configuration
Q0
/Q0
Q1
/Q1
VCC
IN0
IN1
GND
VCC = 3.3V/5.0V
GND = 0V
R16
180
R15
180
1
2
3
4
8
7
6
5
R14
180
R13
180
R17
50
R18
50
SMA1
SMA6
SMA2
SMA3
SMA4
SMA7


Specyfikacje produktu

Marka: Microchip
Kategoria: nieskategoryzowany
Model: SY89322V

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