Random access memory using complementary field effect devices

Details Random access memory using complementary field effect devices Random access memory using complementary field effect devices

1977-09-27

1978-09-05

Fears, Terrell W.

Static information storage and retrieval

Systems using particular element

Semiconductive

307290, 365154, G11C 1300

Patent

active

041125061

ABSTRACT:
A random access memory using complementary field effect transistors, comprising an array of a plurality of storing locations, address signal lines for addressing said plurality of storing locations, a data signal line commonly coupled to said plurality of storing locations for inputting/outputting a data signal, each said location comprising a flip-flop including first and second inverters cross connected to each other and each implemented by complementary field effect transistors, field effect switching transistors connected in series with said first inverter and to be non-conductive in a write operation mode, a transmission gate connected between the input/output node of said flip-flop and said data signal line to be operable as a function of the signal in said address signal line, said transmission gate comprising two complementary field effect switching transistors connected in parallel with each other, each individually responsive to the complementary states of the address signal in said address signal line, said random access memory further comprising a third inverter implemented by complementary field effect transistors and having the output connected to said data signal line, a field effect switching transistors connected in series with said third inverter and to be conductive in the write operation mode, and an output circuit having the input connected to said data signal line and implemented by complementary field effect transistors.

REFERENCES:
patent: 4063225 (1977-12-01), Stewart

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