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e2v aerospace and defense announced that it has completed full qualification of a family of re-engineered 8-bit microcontrollers incorporating the 80C51 CPU architecture. These products have been fully re-engineered and manufactured on a mainstream CMOS process, and are compliant to Defense Logistics Agency (DLA) Standard Microcircuit Drawings (SMDs). These microcontrollers serve as drop-in replacements for a variety of 80C51 architecture devices from original suppliers such as AMD, Atmel, Intel, NXP and Philips, and are widely used in military and aerospace applications.
This microcontroller family includes three device types all based on the 8-bit, 80C51 CPU architecture and use the same instruction set as the 80C51. All devices include the processor, four 8-bit I/O ports, three 16-bit timer/event counters, a multi-source, four-priority-level, nested interrupt structure, an enhanced UART and on-chip oscillator and timing circuits. The QP80C31 is ROM-less with a 128 x 8 RAM. The QP87C51 and QP87C52 add on-chip EPROM with a 256 x 8 RAM. Supported device types are shown in the cross reference.
These devices are available in three package options: a 40-pin ceramic DIP, a 40-pin ceramic LCC, and a 44-pin ceramic JLCC, all manufactured in compliance with the latest revision of MIL-PRF-38535, making them ideally suited for military temperature applications. These devices are available as MIL-STD-883 device or in compliance with the applicable DLA SMDs.
“We have been supplying these devices but recognized that the original supplier die bank would soon be exhausted. We undertook a complete process redesign and qualification to ensure continuous supply to key programs, allowing extended lifetimes without a costly system redesign,” said Robert Brevelle, President of e2v aerospace and defense. “The proactive approach and dedication of the project team exemplifies e2v’s commitment to the long-term support of mission-critical aerospace and defense programs."
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