The DS36C278 is a low power differential bus/line transceiver designed to meet the
requirements of RS-485 standard for multipoint data transmission. In addition it is compatible with
The CMOS design offers significant power savings over its bipolar and ALS counterparts
without sacrificing ruggedness against ESD damage. The device is ideal for use in battery powered
or power conscious applications. ICC is specified at 500 μA maximum.
The driver and receiver outputs feature TRI-STATE capability. The driver outputs operate
over the entire common mode range of −7V to +12V. 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.
The receiver incorporates a fail safe circuit which guarantees a high output state when
the inputs are left open.
The DS36C278T is fully specified over the industrial temperature range (−40°C to
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