MA2909 Datasheet (Gec Plessey) - RADIATION HARD MICROPROGRAM SEQUENCER

MA2909, RADIATION HARD MICROPROGRAM SEQUENCER

www.DataSheet4U.com MA2909/11 APRIL 1995 DS3577-3.4 PRELIMINARY INFORMATION MA2909/11 RADIATION HARD MICROPROGRAM SEQUENCER The MA2909/11 Microprogram Sequencer is fully compatible with the industry standard 2909A and 2911A components, and forms part of the GPS 2900 Series of devices.

The series offers a building block approach to microcomputer and controller design, with each device in the range being expandable to permit efficient emulation of any microcode machine.

The devices have tristat

MA2909 Features

* include: I 4-bit cascadable microprogram counter. I 4 x 4 file with stack counter supporting nesting microsubroutines. I Zero input for returning to the zero microcode word. I Individual OR input for each bit for branching to higher microinstructions (2909 only). The 2909 is a 4-bit wide address con