Semiconductor memory device having a plurality of access ports

Details Semiconductor memory device having a plurality of access ports Semiconductor memory device having a plurality of access ports

1989-03-06

1991-01-22

Moffitt, James W.

Static information storage and retrieval

Read/write circuit

Simultaneous operations

36518912, 36523005, 36523009, 365240, G11C 700

Patent

active

049875590

ABSTRACT:
An improved semiconductor memory device in which serial read operations and serial write operations can be performed simultaneously is disclosed. The memory device comprises a memory array of memory cells, a random access port for accessing a desired one of memory cell in the array, a serial read circuit for sequentially reading data from the selected row one by one and a serial write circuit for operatively writing data sequentially applied to the selected row.

REFERENCES:
patent: 4689741 (1987-08-01), Redwine et al.

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