Static noninverting memory cell for one propagation delay memory

Details Static noninverting memory cell for one propagation delay memory Static noninverting memory cell for one propagation delay memory

1982-03-29

1984-11-20

Popek, Joseph A.

Static information storage and retrieval

Systems using particular element

Semiconductive

365154, G11C 1140

Patent

active

044843100

ABSTRACT:
A static-type noninverting memory cell for one propagation delay memory circuits which is compatible with inverting and noninverting field effect transistor logic, such as, for example, depletion mode Schottky barrier field effect transistor (MESFET) inverting logic. The basic memory cell utilizes field effect transistors and a diode, and comprises an input for receiving an input signal, a transistor operating in a switching mode and connected to the input for registering the logic state of the input signal, a memory section which includes a pair of transistors each of whose respective gates are connected to the sources, a diode interposed therebetween, and a logic state-holding transistor for retaining a stored logic state of the registered input signal, and an output terminal connected between the diode and one of the transistor pair of the memory section from which the stored logic state within the memory section may be sensed. In one embodiment, the basic memory cell is combined with noninverting logic gates to provide a one propagation delay D type flip-flop memory circuit. In another embodiment, the basic memory cell is combined with noninverting logic gates to provide a one propagation delay D bar type flip-flop memory circuit. The input and output voltages of the various embodiments of the subject invention are compatible with those of inverting and noninverting logic circuits.

REFERENCES:
patent: 4412336 (1983-10-01), Peltier et al.

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