Semiconductor integrated circuit device

Semiconductor integrated circuit device

  • CN 1,855,725 A
  • Filed: 04/19/2006
  • Published: 11/01/2006
  • Est. Priority Date: 04/19/2005
  • Status: Active Grant
First Claim
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1. semiconductor device has the output circuit of working at the circuit of working under the 1st supply voltage with under than the 2nd high supply voltage of above-mentioned the 1st supply voltage, and described semiconductor device is characterised in that:

  • Has change-over circuit, when from the circuit of working under above-mentioned the 1st supply voltage when the output circuit of working under above-mentioned the 2nd supply voltage transmits signal, the signal voltage amplitude temporarily is amplified to 3rd supply voltage higher than above-mentioned the 2nd supply voltage, then, convert thereof into the signal of amplitude with above-mentioned the 2nd supply voltage.

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