Patent ID: 9570131
Date: 2017-02-14
CPC Classifications: G11C

Claim:
1. A data latch timing adjustment method for receiving an external strobe signal and external data in synchronism with the external strobe signal, the method comprising: a first timing adjustment step of performing adjustment by delaying the external strobe signal without delaying the external data; and a second timing adjustment step of performing adjustment without delaying the external strobe signal, wherein the external strobe signal comprises m-bit strobe signals and the external data is divided into m groups associated with the m-bit strobe signals respectively, where m is an integer greater than or equal to 2, wherein both the first timing adjustment step and the second timing adjustment step are performed on every group of the m groups, and wherein both the first timing adjustment step and the second adjustment step are completed so that the external data is properly latched with the external strobe signal.