Semiconductor memory device

Static information storage and retrieval – Read/write circuit – Sipo/piso

Patent

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Details

365154, G11C 1140

Patent

active

044478941

ABSTRACT:
Generally speaking, in accordance with the invention, a semiconductor memory device comprises a static RAM cell having a serial-parallel data conversion function, formed of seven transistors. The RAM can read/write and includes bit lines exclusively for reading and bit lines which are exclusively for writing the data. Data is read through the bit lines for exclusive reading by means of a single gate transistor. The semiconductor memory device provides a memory whose area is small in spite of including therein a serial-parallel conversion function. Further, access to the memory cell is freely available from the system side.

REFERENCES:
patent: 4122541 (1978-10-01), Uchida

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