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ST485EBDR Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce ST485EBDR
Description  짹15KV ESD protected, low power RS-485/RS-422 transceiver
Download  19 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST485EBDR Fiches technique(HTML) 1 Page - STMicroelectronics

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January 2007
Rev 11
1/19
19
Order codes
Part numbers
Temperature range
Package
Packaging
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
ST485EBD
-40 to 85 °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
General features
Low quiescent current: 300µA
Designed for RS-485 interface application
-7V to 12V common mode input voltage range
Driver maintains high impedance in 3-state or
with the power OFF
70mV typical input hysteresis
30ns propagation delay, 5ns skew
Operates from a single 5V supply
Current limiting and thermal shutdown for
driver overload protection
ESD protection:
– ±15KV (H.B.M.)
– ±8KV (IEC-1000-4-2 contact discharge)
Allows up to 64 transceivers on the bus
Description
The ST485E is a 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 latch-up. These parts contain one
driver and one receiver in half duplex
configuration.
This transceiver draws 300µA (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
lines (half-duplex applications).
DIP-8
SO-8
www.st.com


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