參數(shù)資料
型號(hào): 8339
廠商: 意法半導(dǎo)體
英文描述: 【15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER
中文描述: 【15KV靜電保護(hù),低功耗RS-485/RS-422收發(fā)器
文件頁(yè)數(shù): 1/13頁(yè)
文件大?。?/td> 303K
代理商: 8339
1/13
September 2003
I
LOW QUIESCENT CURRENT: 300
μ
A
DESIGNED FOR RS-485 INTERFACE
APPLICATIONS
-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 DELAYS, 5ns SKEW
OPERATE 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
I
I
I
I
I
I
I
I
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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
configuration.
This transceiver draw 300
μ
A (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).
and
one
receiver
in
half
duplex
ORDERING CODES
Type
Temperature
Range
Package
Comments
ST485ECN
ST485EBN
ST485EXN
ST485ECD
ST485EBD
ST485EXD
ST485ECDR
ST485EBDR
ST485EXDR
0 to 70 °C
-40 to 85 °C
-55 to 125 °C
0 to 70 °C
-40 to 85 °C
-55 to 125 °C
0 to 70 °C
-40 to 85 °C
-55 to 125 °C
DIP-8
DIP-8
DIP-8
50parts per tube / 40tube per box
50parts per tube / 40tube per box
50parts per tube / 40tube per box
100parts per tube / 20tube per box
100parts per tube / 20tube per box
100parts per tube / 20tube per box
2500 parts per reel
2500 parts per reel
2500 parts per reel
SO-8 (Tube)
SO-8 (Tube)
SO-8 (Tube)
SO-8 (Tape & Reel)
SO-8 (Tape & Reel)
SO-8 (Tape & Reel)
ST485E
±
15KV ESD PROTECTED, LOW POWER
RS-485/RS-422 TRANSCEIVER
DIP
SOP
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