The MA17501 Execution Unit is a component of the Dynex Semiconductor MAS281 chip set. Other chips in the set include the MA17502 Control Unit and the MA17503 lnterrupt Unit. Also available is the peripheral MA31751 Memory Management Unit/Block Protection Unit. These chips in conjunction implement the full MlL-STD-1750A lnstruction Set.

FEATURES
■ MIL-STD-1750A Instruction Set Architecture
■ Full Performance over Military Temperature Range (-55°C to +125°C)
■ Radiation Hard CMOS/SOS Technology
■ 16-Bit Bidirectional Address/Data Bus
■ 16-Bit Full Function Registered ALU
■ 32-Bit Barrel Shifter
■ 24 x 16-Bit Dual-Port RAM File
    • 16 User Accessible General Purpose Registers
    • 8 Microcode Accessible Registers
■ 4 x 24-Bit Parallel Multiplier
    • 48-Bit Accumulator
    • 16-Bit x 16-Bit Multiply in 4 Machine Cycles
■ Instruction Pre-Fetch
■ MAS281 Integrated Built-in Self Test
■ TTL Compatible System Interface