Multiport semiconductor memory device

Details Multiport semiconductor memory device Multiport semiconductor memory device

1992-09-30

1994-05-17

LaRoche, Eugene R.

Static information storage and retrieval

Addressing

Multiple port access

36523004, 365205, 365231, 365233, 365195, 36523009, G11C 700

Patent

active

053134311

ABSTRACT:
A multiport memory device includes first and second memory cell arrays divided by a shared sense amplifier circuit, a first serial data register capable of transferring data with a row in the first memory array through a first data bus, a second serial data register capable of transferring data with a row in the second memory array through a second data bus. The multiport memory device activates both the first and second data bus for transferring data of a row in the first or second memory array both to the first and second serial data registers in the same data transfer cycle in response to a dual read transfer instructions.

REFERENCES:
patent: 4366559 (1982-12-01), Misaizu et al.
patent: 4947373 (1990-08-01), Yamaguchi et al.
patent: 5170157 (1992-12-01), Ishii

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