Abstract: A method and apparatus are disclosed for adjusting the individual data hold time of data output buffers. Clock signals for the output buffers are respectively and individually adjusted for each of the output buffers to ensure a desired timing relationship among all of the data output by the buffers.

Abstract: An apparatus, system and method for identifying an access mode of a semiconductor memory in a data processing system, characterized by significant reduction of the possibility of erroneous identification of the access mode. A semiconductor memory has an access circuit bank with plurality of selectable circuits only one of which is activated, each selectable circuit respectively associated with a selectable semiconductor memory access mode, the access mode selection typically being accomplished by selectively blowing fuses associated with the corresponding selectable circuits. A semiconductor memory access mode is correctly identified by associating, in response to a test signal for determining the fuse status, the respective activated selectable circuit with its corresponding access mode.