Latch-up restoration circuit
AssigneePioneer Electronic Corporation
InventorsTadashi Saito, Ichiro Sakamoto, Shizuo Ando, Souhei Yamakawa
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Abstract
A latch-up restoration circuit for an electronic circuit generating a signal having a predetermined operating frequency such as a microcomputer, comprises a latch-up sensing device sensing a state that the frequency of the signal generated by the electronic circuit is on the outside of a predetermined frequency range and generating a latch-up detection signal, and a power supply inhibiting device inhibiting supply of a power current to the electronic circuit for a predetermined time period in response to the latch-up detection signal. The electronic circuit is automatically resumed to an initial state and the latch-up phenomenon is removed when the supply of the power current is restarted.
Claims6
A latch-up restoration circuit for an electronic circuit generating a signal having a predetermined operating frequency, comprising:
- a latch-up sensing means for sensing a state that the frequency of said signal generated by said electronic circuit is on the outside of a predetermined frequency range and generating a latch-up detection signal;
- and
- a power supply inhibiting means for inhibiting supply of a power current to said electronic circuit for a predetermined time period in response to said latch-up detection signal.
Dependencies are inferred from the claim text.