Semiconductor memory device having switching circuit for prevent

Details Semiconductor memory device having switching circuit for prevent Semiconductor memory device having switching circuit for prevent

1983-06-28

1986-07-08

Moffitt, James W.

Static information storage and retrieval

Read/write circuit

Having particular data buffer or latch

365104, G11C 1700, G11C 700

Patent

active

045996881

ABSTRACT:
A semiconductor memory device includes control circuits which are at least a switching circuit and program circuits provided with a constant current source. The switching circuit is mainly comprised of an input side transistor and an output side transistor in the form of a thyristor, and both transistors are on only when a write operation is conducted by the program circuits and the constant current source. If no write operation is conducted, these transistors are both off.

REFERENCES:
patent: 4319341 (1982-03-01), Fukushima et al.
patent: 4347584 (1982-08-01), Fukushima et al.
patent: 4347586 (1982-08-01), Natsui
patent: 4376984 (1983-03-01), Fukushima et al.
patent: 4424582 (1984-01-01), Fukushima et al.
patent: 4488261 (1984-12-01), Ueno et al.

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