Burn-in apparatus outputting a precise, stable burn-in voltage

Details Burn-in apparatus outputting a precise, stable burn-in voltage Burn-in apparatus outputting a precise, stable burn-in voltage

1997-05-16

1999-12-07

Nguyen, Vinh P.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

G01R 3128

Patent

active

059990074

ABSTRACT:
An external communication circuit transmits a high voltage switching command and a normal voltage switching command via serial communication. A CPU outputs a switching signal when the high voltage switching command is input from the external communication circuit and terminates output of the switching signal when the normal voltage switching command is input from the external communication circuit. A voltage regulator supplies a normal power supply voltage to a semiconductor integrated circuit in an on-board condition when the switching signal is not input from the CPU, and supplies a high power supply voltage which is higher than the normal power supply voltage to the semiconductor integrated circuit.

REFERENCES:
patent: 5656944 (1997-08-01), Choi
patent: 5825193 (1998-10-01), Nakata et al.

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