K4H640438B-TCA2, K4H Datasheet - Samsung

K4H640438B-TCA2 128Mb DDR SDRAM

method for the same functionality. This means no difference from the previous version. 3.Changed the following AC parameter symbol From. To. Output data access time from CK/CK tDQCK tAC Version 0.61(August 9,1999) - Changed the some values of "write with auto precharge" table for different bank in .

128Mb DDR SDRAM DDR SDRAM Specification Version 1.0 - 1 - REV. 1.0 November. 2. 2000 128Mb DDR SDRAM Revision History Version 0 (May, 1998) - First version for internal review Version 0.1(June, 1998) - Added x4 organization Version 0.2(Sep,1998) 1. Added "Issue prcharge command for all banks of the device" as the fourth step of power-up squence. 2. In power down mode timing diagram, NOP condition is added to precharge power down exit. Version 0.3(Dec,1998) - Added QFC Function. - Added DC cu.

K4H640438B-TCA2, K4H Datasheet