Semiconductor serial/parallel-parallel/serial file memory and st

Details Semiconductor serial/parallel-parallel/serial file memory and st Semiconductor serial/parallel-parallel/serial file memory and st

1989-03-17

1992-02-04

Bowler, Alyssa H.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365219, G06F 700, G11C 800, G11C 700

Patent

active

050863886

ABSTRACT:
A semiconductor file memory has a semiconductor memory connected to an information processor and operated to store data transferred from the information processor and read out stored data, the file memory comprising a serial/parallel conversion circuit which receives, in a serial manner, data to be stored in the semiconductor memory and converts the data line parallel data, a parallel/serial conversion circuit which receives data read out of the semiconductor memory and converts the data into serial data, and an address data holding circuit which holds address data transferred from the information processor, the serial data transferred from the information processor being converted into parallel data by the serial/parallel conversion circuit and the converted data stored in the semiconductor memory in accordance with addresse data held in the address data holding circuit, and parallel data stored in the semiconductor memory is read out in accordance with address data held in the address data holding circuit, the readout data being converted into serial data by the parallel/serial conversion circuit and the converted data is being transferred to the information processor.

REFERENCES:
patent: 3691538 (1972-09-01), Haney et al.
patent: 4044339 (1977-08-01), Berg
patent: 4183095 (1980-01-01), Ward
patent: 4204250 (1980-05-01), Getson et al.
patent: 4450538 (1984-05-01), Shirasaka
patent: 4945518 (1992-07-01), Muramatsu

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