MA28139

OBDH Bus Terminal

Dynex

MA28139 Features

* 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 CONF

MA28139 General Description

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. If the selected bus stops, the OBT watchdog times out and resets both the OBT and the user. If .

MA28139 Datasheet (416.43 KB)

MA28139 Datasheet Preview — Preview of MA28139 PDF

Datasheet Details

Part number:

MA28139

Manufacturer:

Dynex

File Size:

416.43 KB

Description:

Obdh bus terminal.
MA28139 MA28139 OBDH Bus Terminal Replaces June 1999 version, DS3592-5.0 DS3592-6.0 January 2000 The OBT ASIC will interface any user to the ESA On .

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MA28139 OBDH Bus Terminal Dynex

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MA28139 Features

MA28139 General Description

Datasheet Details

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