MA28139 - OBDH Bus Terminal

In RT mode, power up resets the OBT and causes it to deselect both busses.

Two watchdog counters monitor the Nominal l-bus and the Redundant l-bus.

If either bus becomes active, that bus will be selected.

• s Radiation Hard s Low Power Consumption s Single CMOS-SOS ASIC Implementation s Latch-up Free s High SEU Immunity s Fully Compliant with ESA OBDH, IUB, DBI and RBI Specification s Contains OBDH Bus Modem and RTU Kernel s Supports Bi-directional Data Transfer on Response and Block Transfer Bus.