Title: Voltage sensing circuit of differential input type

Abstract: A voltage sensing circuit of differential input type includes at least one differential amplifier circuit connected between two complementary data lines of a semiconductor memory. The differential amplifier circuit detects data in response to a minute potential difference between the data lines and amplifies the same by a substantial change in conductance g.sub.m of metal oxide semiconductor field effect transistors (MOSFET) used in the circuit. When data is read from a semiconductor memory onto the data lines, the differential amplifier sensing circuit detects the data quickly by detecting potential changes of the data lines.

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Inventors: Suzuki, Yasoji (Ayase, JP)
Ochii, Kiyofumi (Kawasaki, JP)

Application Number: 827721
Filing Date: 1977-08-25
Publication_date: 1979-01-23
Assignee: Tokyo Shibaura Electric Co., Ltd. (Tokyo, JP)
Primary Class(es): 327/52 330/253, 365/208
Other Classes:
US Patent Ref:

3854101	Dec, 1974	Muramatsu	330/253.
3967252	Jun, 1976	Donnelly	37/355.
4003034	Jan, 1977	Au	307/DIG.
4050030	Sep, 1977	Russell	330/253.

Other Refs:
Primary Examiner: Dahl, Lawrence J.
Assistant Examiner:
Attorney: Finnegan, Henderson, Farabow & Garrett