摘要 |
A logic circuit determines the logic based only on a change in electric current. The logic circuit comprises a logical value determination circuit, a reference current generator, and a current sense amplifier. The logical value determination circuit defines a logical current flowing in response to multiple logic-signals. The reference current generator produces a reference current which is used to determine whether the logical current defined by the logical value determination circuit is true or false. The current sense amplifier detects and amplifies a difference between the logic current and the reference current.
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