CLOCK SIGNAL GENERATION APPARATUS FOR USE IN SEMICONDUCTOR MEMORY DEVICE AND ITS METHOD

摘要

A clock signal generation apparatus for generating a reference clock signal for outputting data in synchronization with an external clock signal from a semiconductor memory device, including: a clock signal generation unit for receiving an internal clock signal to generate the reference clock signal according to a control signal; and a control unit for generating the control signal based on a read command, a write command and an external address.

主权项

1. A clock signal generation apparatus for generating a reference clock signal for outputting data in synchronization with an external clock signal from a semiconductor memory device, comprising:
a clock signal generation unit for receiving the external clock signal to generate the reference clock signal in response to a control signal; and a control unit for generating the control signal based on a read command, a write command and an external address, wherein the write command is inactivated when a read command is inputted.