| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a memory device in which efficiency of a system is improved by constituting newly input/output pins and input/output buffers of a semiconductor memory device, also to a memory device in which data input/output speed can be improved without increasing the number of whole pins. <P>SOLUTION: The device is provided with first group of pins through which command/address signals are received and data signals are received, and second groups of pins through which command/address signals are received and data signals are received. When the data signals are input to the first group of pins, the command/address signals are received via the second group of pins. When the data signals are output from the second group of pins, the command/address signals are received via the first group of pins. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
