MA31751 - Memory Management & Block Protection Unit
MA31751 MA31751 Memory Management & Block Protection Unit Replaces June 1999 version, DS4083-2.0 DS4083-3.0 January 2000 The MA31751 Memory Management Unit/Block Protect Unit (MMU/BPU) is an optional chip which may be used to expand the capabilities of the MA31750.
User configurable, the MA31751 can perform as an MMU, a BPU or both MMU and BPU, conforming to MIL-STD-1750A and 1750B.
MMU mapping and BPU protection for 1M words of memory is provided by the internal memory.
Up to 16 MA31751 devic
MA31751 Features
* s MlL-STD-1750A/B Compatible s Radiation Hard CMOS/SOS Technology s User Configurable as Either a Memory Management Unit (MMU) or a Block Protect Unit (BPU) or Both s Memory Management Unit Configuration
* 1 MWord Physical Address Space
* Access Lock and Key of 4K-Word Blocks