| 摘要 |
A memory circuit is provided which is capable of writing data with a simplified configuration and hence being improved in usability.The present invention comprises a fuse 10 having one end to which a bias voltage Vcc is to be applied from an internal power supply to have a disconnect/connect state storing data 0/1, a thyristor 11 having an anode terminal connected to the internal power supply through the fuse 10 and a cathode terminal being ground, an N-channel MOS transistor 12 having a drain terminal connected to a gate terminal of the thyristor 11 and a source terminal being ground, and a read-out circuit 14 for reading out data 0/1 stored on the fuse 10 through the N-channel MOS transistor 13.
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