Invention Grant
US5065042A Self-configuring clock interface circuit 失效
自配时钟接口电路

Self-configuring clock interface circuit
Abstract:
A self-configuring clock interface circuit automatically configures itself according to the type of clock input signals applied to two input terminals interconnected with the interface circuit. The system includes a pair of counters connected to the input terminals and having their outputs connected to the two inputs of an Exclusive NOR gate which acts as a control device for the system. The output of the exclusive NOR gate is coupled to a 2:1 multiplex to control the interconnection of one or the other of two inputs to the multiplex circuit with a clock output for the interface circuit.
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