Sense amplifier circuit

Details Sense amplifier circuit Sense amplifier circuit

1981-10-13

1985-03-12

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307279, 307297, 307491, 365205, 365208, H03K 524, H03K 3023, H03K 3356, G11C 706

Patent

active

045047480

ABSTRACT:
A sense amplifier circuit used in, for example, a MIS static RAM includes a differential amplifier (Q.sub.11 through Q.sub.14) for sensing and amplifying the difference in potential between two input lines (DB and DB) and generating two bipolar differential signals (D and D) and a pull-down circuit (Q.sub.15) for establishing a reference potential (V.sub.REF) for the differential amplifier. A compensation circuit (Q.sub.16, Q.sub.17 and Q.sub.18) is provided for detecting the in-phase component of the input lines so as to control the pull-down circuit. Therefore, the fluctuation of the reference potential follows the fluctuation of the in-phase component of the input lines so that a stable and high-speed sensing operation is effected.

REFERENCES:
patent: 4053873 (1977-10-01), Freeman et al.
patent: 4136292 (1979-01-01), Suzuki et al.
patent: 4213098 (1980-07-01), Tsividis
patent: 4232270 (1980-11-01), Marmet et al.
patent: 4375039 (1983-02-01), Yamauchi
patent: 4400800 (1983-08-01), Kurafuji

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