Data input/output sensing circuit of semiconductor memory device

Details Data input/output sensing circuit of semiconductor memory device Data input/output sensing circuit of semiconductor memory device

1995-11-30

1997-01-28

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Having particular data buffer or latch

365196, 365190, 365208, 326 24, 326 27, 326 28, G11C 700

Patent

active

055983715

ABSTRACT:
A data input/output sensing circuit of a semiconductor memory device including a plurality of memory cells, the circuit comprises: input/output lines of the memory cell; data input/output terminals connected to outside of the memory cells; a single data input/output line connected between the input/output lines and the data input/output terminals; a sensing unit for sensing whether or not effective data is provided in the data input/output lines to thereby generate a sensing signal; an output driving unit for transmitting data of the data input/output lines to the data input/output terminals in response to the sensing signal; and a writing driving unit for inputting data of the data input/output terminals in response to the sensing signal.

REFERENCES:
patent: 5005156 (1991-04-01), Takai
patent: 5067109 (1991-11-01), Kim et al.

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