Input buffer, semiconductor device and engine control unit

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United States of America Patent

PATENT NO 10298153
APP PUB NO 20180091068A1
SERIAL NO

15656864

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Abstract

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Provided are an input buffer, a semiconductor device and an engine control unit making it possible to execute fault diagnosis in real time. The input buffer includes a first comparator which compares a voltage of an input signal with a first reference voltage, a hysteresis circuit which generates a first high voltage side or low voltage side reference voltage on the basis of a comparison result from the first comparator, a second comparator which compares the voltage of the input signal with a second reference voltage, and a hysteresis circuit which outputs a second high voltage side reference voltage which is higher than the first high voltage side reference voltage or a second low voltage side reference voltage which is lower than the first low voltage side reference voltage.

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Patent Owner(s)

  • RENESAS ELECTRONICS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakahara, Akihiro Tokyo, JP 71 1514
Tanaka, Makoto Tokyo, JP 338 5451
Yoshimura, Naohiro Tokyo, JP 4 2

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