发明名称 |
METHOD OF CONTROLLING OPERATIONS OF A DELAY LOCKED LOOP OF A DYNAMIC RANDOM ACCESS MEMORY |
摘要 |
A method for controlling operations of a delay locked loop (DLL) of a dynamic random access memory (DRAM) is provided herein. A phase detector of the DLL compares an external clock signal with a feedback clock signal to generate a first control signal. A delay line circuit of the DLL delays the external clock signal according to the first control signal. A detector of the DRAM detects variations of the first control signal to determine a length of an enable period of an enable signal. The delay line circuit and the output buffer are active only during the enable period when the DRAM is in a standby mode.
|
申请公布号 |
US2013028029(A1) |
申请公布日期 |
2013.01.31 |
申请号 |
US201113192468 |
申请日期 |
2011.07.28 |
申请人 |
ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC.;HUANG MING-CHIEN |
发明人 |
HUANG MING-CHIEN |
分类号 |
G11C7/00 |
主分类号 |
G11C7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|