专利汇可以提供Multiple interchangeable input stage for logic gate especially in integrated circuit专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide interchangeability between a TTL interchangeable input and an input typically formed by a toggle circuit or a Schmitt circuit and having high noise immunity and to reduce the area of a wafer to be used for an integrated circuit.
CONSTITUTION: A 1st inverted logical gate 1 constitutes a TTL interchangeable stage, and the input terminal of the gate 1 is connected to a signal 2 inputted to an input stage. The output terminal of the gate 1 is connected to the input terminal of a 2nd inverted logical gate 3 and the output terminal of a 3rd inverted logic gate 4. The output terminal of the gate 3 is connected to the input terminal of the gate 4 and the output terminal 5 of the input stage. The gates 3, 4 constitute a toggle circuit or a Schimitt trigger circuit. First and second terminals are prepared for selection signals 7, 10 to be applied to the gate 4.
COPYRIGHT: (C)1992,JPO,下面是Multiple interchangeable input stage for logic gate especially in integrated circuit专利的具体信息内容。
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