Semiconductor memory device with single-cycle internal read/writ

Details Semiconductor memory device with single-cycle internal read/writ Semiconductor memory device with single-cycle internal read/writ

1997-05-29

1999-07-20

Nelms, David

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

36518905, 36523008, G11C 700

Patent

active

059264268

ABSTRACT:
A semiconductor memory device having a single-cycle internal read/write function provides data relocation at high speed. Data is read from a first or source address location and then transferred directly from the sense amps to write drivers for writing to a destination address without latching in the interim. Accordingly, chip area is reduced by elimination of the I/O latch circuits. Since both the data read and write operations are performed during one cycle time, the cycle time is reduced while the bandwidth is increased. The invention has particular application to frame buffer memories and the like.

REFERENCES:
patent: 5600601 (1997-02-01), Murakami et al.
patent: 5680365 (1997-10-01), Blankenship

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