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ST485EBDR Datasheet(PDF) 1 Page - STMicroelectronics

Part # ST485EBDR
Description  ±15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
PDF  13 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST485EBDR Datasheet(HTML) 1 Page - STMicroelectronics

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September 2003
s
LOW QUIESCENT CURRENT: 300
µA
s
DESIGNED FOR RS-485 INTERFACE
APPLICATIONS
s
-7V TO 12V COMMON MODE INPUT
VOLTAGE RANGE
s
DRIVER MAINTAINS HIGH IMPEDANCE IN
3-STATE ORWITHTHE POWER OFF
s
70mV TYPICAL INPUT HYSTERESIS
s
30ns PROPAGATION DELAYS, 5ns SKEW
s
OPERATE FROM A SINGLE 5V SUPPLY
s
CURRENT LIMITING AND THERMAL
SHUTDOWN FOR DRIVER OVERLOAD
PROTECTION
s
ESD PROTECTION:
±15KV (H.B.M.)
±8KV (IEC-1000-4-2 CONTACT
DISCHARGE)
s
ALLOWS UP TO 64 TRANSCEIVERS ON
THE BUS
DESCRIPTION
The ST485E is al low power transceiver for
RS-485 and RS-422 communication. Each driver
output and receiver input is protected against
±15KV electrostatic discharge (H.B.M.) (ESD)
shocks, without latcup. These parts contain one
driver
and
one
receiver
in
half
duplex
configuration.
This transceiver draw 300
µA (typ.) of supply
current when unloaded or fully loaded with
disabled drivers.
It operates from a single 5V supply.
Driver is short-circuit current limited and is
protected against excessive power dissipation by
thermal shutdown circuitry that place the driver
outputs into a high-impedance state.
The ST485E is designed for bi-directional data
communications on multipoint bus transmission
line (half-duplex applications).
ORDERING CODES
Type
Temperature
Range
Package
Comments
ST485ECN
0 to 70 °C
DIP-8
50parts per tube / 40tube per box
ST485EBN
-40 to 85 °C
DIP-8
50parts per tube / 40tube per box
ST485EXN
-55 to 125 °C
DIP-8
50parts per tube / 40tube per box
ST485ECD
0 to 70 °C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485EBD
-40 to 85 °C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485EXD
-55 to 125 °C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485ECDR
0 to 70 °C
SO-8 (Tape & Reel)
2500 parts per reel
ST485EBDR
-40 to 85 °C
SO-8 (Tape & Reel)
2500 parts per reel
ST485EXDR
-55 to 125 °C
SO-8 (Tape & Reel)
2500 parts per reel
ST485E
±15KV ESD PROTECTED, LOW POWER
RS-485/RS-422 TRANSCEIVER
DIP
SOP


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