Semiconductor device and operation method thereof

摘要

A semiconductor device includes a characteristic code storage unit configured to store signal transfer characteristic information input through a given pad and output a control code corresponding to the signal transfer characteristic information, and a characteristic reflection unit configured to reflect the signal transfer characteristic information in an input signal input through the given pad, in response to the control code, and to output the reflected input signal.

主权项

1. A semiconductor device comprising:
a characteristic code storage unit configured to store signal transfer characteristic information specified in an input signal input through a given pad during a code storage operation mode, and output a control code corresponding to the signal transfer characteristic information during a normal operation mode; a characteristic reflection unit configured to reflect the signal transfer characteristic information in an input signal input through the given pad, in response to the control code, and to output the reflected input signal; and a demultiplexing unit configured to directly transfer the input signal to the characteristic code storage unit during the code storage operation mode or the characteristic reflection unit during the normal operation mode in response to a mode selection signal, wherein the input signal includes a data signal during the normal operation mode, and the input signal specifies the signal transfer characteristic information during the code storage operation mode.