MA2909 Datasheet - Gec Plessey

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 Microprog

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

Applications

* The device is a cascadable 4-bit slice such that two devices allow addressing of up to 256 words of microprogram and three devices allow addressing of up to 4K words of microprogram. A detailed logic diagram is shown in figure 1. The device contains a four input multiplexer that is used to select e

MA2909_GecPlessey.pdf