Memory device having page copy mode

Details Memory device having page copy mode Memory device having page copy mode

1997-12-24

1999-03-23

Nguyen, Tan T.

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

3652385, G11C 800

Patent

active

058869441

ABSTRACT:
A memory device has a page copy mode that writes data into memory cell by memory page units by using a common bit line without outputting accessed data externally. The memory device, e.g., a DRAM includes an interface unit having an address multiplexor for multiplexing a plurality of address signal bits in accordance with a row address strobe signal. A row address resetting unit is for resetting an output signal from the address multiplexor in accordance with the row address strobe signal. A pre-decoder decodes an output signal from the row address resetting unit. A row decoder is for decoding an output signal from the pre-decoder. A word line driving unit receives an output signal from the row decoder to drive a corresponding word line. A block decoding signal latch unit latches an output signal from the pre-decoder in accordance with a page copy signal. A block decoder decodes an output signal from the block decoding signal latch unit and a sense amplifier controller receives an output signal from the block decoder. The sense amplifier controller outputs a sense amplifier enabling signal and a sense amplifier equalizing signal to a sense amplifier driving unit.

REFERENCES:
patent: 5210723 (1993-05-01), Bates et al.
patent: 5233565 (1993-08-01), Wang
patent: 5619473 (1997-04-01), Hotta
patent: 5621692 (1997-04-01), Lin
patent: 5761657 (1998-05-01), Hotta

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