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IC > Linear IC > Line Driver (Bus) > DS75176BMX (8SOIC)
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DS75176BMX (8SOIC)
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DS75176B/DS75176BT
Multipoint RS-485/RS-422 Transceivers

General Description
The DS75176B is a high speed differential TRI-STATE¢ç
bus/line transceiver designed to meet the requirements of
EIA standard RS485 with extended common mode range
(+12V to −7V), for multipoint data transmission. In addition, it
is compatible with RS-422.
The driver and receiver outputs feature TRI-STATE capability,
for the driver outputs over the entire common mode
range of +12V to −7V. Bus contention or fault situations that
cause excessive power dissipation within the device are
handled by a thermal shutdown circuit, which forces the
driver outputs into the high impedance state.
DC specifications are guaranteed over the 0 to 70¡ÆC temperature
and 4.75V to 5.25V supply voltage range.

Features
 Meets EIA standard RS485 for multipoint bus
  transmission and is compatible with RS-422.
 Small Outline (SO) Package option available for
  minimum board space.
 22 ns driver propagation delays.
 Single +5V supply.
 −7V to +12V bus common mode range permits ¡¾7V
  ground difference between devices on the bus.
 Thermal shutdown protection.
 High impedance to bus with driver in TRI-STATE or with
  power off, over the entire common mode range allows
  the unused devices on the bus to be powered down.
 Pin out compatible with DS3695/A and SN75176A/B.
 Combined impedance of a driver output and receiver
  input is less than one RS485 unit load, allowing up to 32
  transceivers on the bus.
 70 mV typical receiver hysteresis.


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