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SLLSEH3C – JULY 2013 – REVISED JANUARY 2018 SN65HVD888 Bus-Polarity Correcting RS-485 Transceiver With IEC-ESD Protection
1 Features 3 Description The SN65HVD888 is a low-power RS-485 transceiver
with automatic bus-polarity correction and transient
protection. Upon hot plug-in, the device detects and
corrects the bus polarity within the first 76 ms of bus
idling. On-chip transient protection protects the device
against IEC61000 ESD and EFT transients. This
device has robust drivers and receivers for
demanding industrial applications. The bus pins are
robust to electrostatic discharge (ESD) events, with
high levels of protection to Human-Body Model
(HBM), Air-Gap Discharge, and Contact Discharge
specifications. 1 Exceeds Requirements of EIA-485 Standard
Bus-Polarity Correction Within 76 ms (tFS)
Data Rate: 300 bps to 250 kbps
Works With Two Configurations:
– Failsafe Resistors Only …
