BUFFER CIRCUIT OF SEMICONDUCTOR MEMORY APPARATUS

摘要

A buffer circuit of a semiconductor memory device is provided to avoid an increase of an area by adding an equalization function to a buffer without changing an existing buffer structure. A buffer circuit of a semiconductor memory device includes a buffer unit(100), a delay unit(200), and an equalizer unit(300). The buffer unit outputs an output signal by buffering a first input signal(OUT) and a second input(OUTB). The delay unit delays the output signal during a predetermined time and outputs the delayed signal as an equalization signal. The equalizer unit equalizes the output signal in response to the equalization signal.