Semiconductor device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 13, 2004
Grant Date -
N/A
app pub date -
Aug 15, 2000
filing date -
Feb 17, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A semiconductor device has a program storage unit and an A/D converter which converts an analog signal inputted from an analog to digital (A/D) conversion input terminal into a digital signal. The semiconductor device is provided with a withstand voltage anomaly test terminal and a selection unit which is; actuated by a program in the program storage unit that selects the A/D conversion input terminal at the time of normal operation; and selects the withstand voltage anomaly test terminal at the time of test operation. A potential signal of the withstand voltage anomaly test terminal at the time of test operation is detected as a digital value by the A/D converter based on the program in the program storage unit so that a judgment is made as normality or anomaly.
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