DS36C278 Datasheet PDF - National

●General Description

●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 TIA/EIA-422-B.

●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. ICCis specified at 500 µA maximum.

●Features

●100% RS-485 compliant

●   — Guaranteed RS-485 device interoperation

●Low power CMOS design: ICC500 µA max

●Built-in power up/down glitch-free circuitry

●   — Permits live transceiver insertion/displacement

●DIP and SOIC packages available

●Industrial temperature range: −40˚C to +85˚C

●On-board thermal shutdown circuitry

●   — Prevents damage to the device in the event of excessive power dissipation

●Wide common mode range: −7V to +12V

●Receiver open input fail-safe

●1⁄4 unit load (DS36C278): ≥128 nodes

●1⁄2 unit load (DS36C278T): ≥64 nodes

●ESD (human body model): ≥2kV

●Drop in replacement for:

●   — LTC485, MAX485, DS75176, DS3695