Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

1994-07-12

1995-12-19

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

365207, 365208, 327 51, G11C 706, H03K 522

Patent

active

054774977

ABSTRACT:
A semiconductor memory device which includes, in a first embodiment, a first PMOS transistor having a source electrode coupled to a signal transport line, a second PMOS transistor having a source electrode coupled to an inverted signal transport line, a drain electrode coupled to a gate electrode of the first PMOS transistor, and a gate electrode coupled to a drain electrode of the first PMOS transistor, a first current limiter connected between the drain electrode of the first PMOS transistor and a reference potential, a second current limiter connected between the drain electrode of the second PMOS transistor and the reference potential, a first constant current source connected between a supply voltage and the source electrode of the first PMOS transistor, and, a second constant current source connected between the supply voltage and the source electrode of the second PMOS transistor.

REFERENCES:
patent: 3678473 (1972-07-01), Wahlstrom
patent: 3978459 (1976-08-01), Koo
patent: 4070590 (1978-01-01), Ieda et al.
patent: 4578781 (1986-03-01), Ogawa et al.
patent: 5036231 (1991-07-01), Kanbara
patent: 5097157 (1992-03-01), Jaffe et al.
patent: 5241504 (1993-08-01), Seevinck

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