Multiport field memory

Details Multiport field memory Multiport field memory

1996-06-05

1998-01-13

Yoo, Do Hyun

Static information storage and retrieval

Addressing

Multiple port access

36518912, 365221, 36523003, G11C 700

Patent

active

057086184

ABSTRACT:
A multiport field memory includes cell arrays, bit line pairs, gate transmission circuits connecting to the bit line pairs, ports, and a data cross-transmission circuit. The data cross-transmission circuit has first and second transfer gate circuit pairs (each pair connected in series and each pair connected to each bit line pair). The ports, each includes a register for temporarily storing data and for transferring the data from or to the memory cell through the bit line pairs. Each port is connected to each bit line pair through each first and second transfer gate circuit pair. The data cross-transmission control circuit has the first and second transfer gate control circuit pairs to transfer first and second gate drive control signals in order to connect the bit line pair to the registers. The first transfer gate circuit in one pair of the first and second transfer gate circuit pairs is connected to the second transfer gate circuit in the same pair or another pair of the first and second transfer gate circuit pairs in order to transfer the data through a desired port under the control of the cross-transmission control circuit.

REFERENCES:
patent: 4882710 (1989-11-01), Hashimoto et al.
patent: 4999814 (1991-03-01), Hashimoto
patent: 5313431 (1994-05-01), Uruma et al.
patent: 5319603 (1994-06-01), Watanabe et al.
patent: 5321665 (1994-06-01), Balistrers et al.
patent: 5374851 (1994-12-01), Iwase et al.

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