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K9K8G08U0M Datasheet(PDF) 43 Page - Samsung semiconductor |
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K9K8G08U0M Datasheet(HTML) 43 Page - Samsung semiconductor |
43 / 49 page FLASH MEMORY 43 Preliminary K9WAG08U1M K9K8G08U0M Figure 14. Two-Plane Page Program 80h 11h Data Input Plane 0 (2048 Block) Block 0 Block 2 Block 4094 Block 4092 80h I/O0 ~ 7 R/B Address & Data Input 11h 81h 10h tDBSY tPROG 70h Address & Data Input NOTE : 1. It is noticeable that same row address except for A18 is applied to the two blocks 81h 10h Plane 1 (2048 Block) Block 1 Block 3 Block 4095 Block 4093 Figure 15. Two-Plane Block Erase Operation 60h I/OX R/B 60h D0h I/O 0 Pass Fail tBERS Address (3 Cycle) Address (3 Cycle) 70h "0" "1" A12 ~ A17 : Fixed ’Low’ A18 : Fixed ’Low’ A19 ~ A29 : Fixed ’Low’ A12 ~ A17 : Fixed ’Low’ A18 : Fixed ’High’ A19 ~ A29 : valid Two-Plane Block Erase Basic concept of Two-Plane Block Erase operation is identical to that of Two-Plane Page Program. Up to two blocks, one from each plane can be simultaneously erased. Standard Block Erase command sequences (Block Erase Setup command(60h) followed by three address cycles) may be repeated up to twice for erasing up to two blocks. Only one block should be selected from each plane. The Erase Confirm command(D0h) initiates the actual erasing process. The completion is detected by monitoring R/B pin or Ready/ Busy status bit (I/O 6). Two-plane erase operations can be executed by dividing the memory array into plane 0~1 or plane 2~3 separately. For example, two-plane erase operation into plane 0 and plane 2 is prohibited. That is to say, two-plane erase operation into plane 0 and plane 1 or into plane 2 and plane 3 is allowed. A0 ~ A11 : Valid A12 ~ A17 : Fixed ’Low’ A18 : Fixed ’Low’ A19 ~ A29 : Fixed ’Low’ A30 : Valid A0 ~ A11 : Valid A12 ~ A17 : Valid A18 : Fixed ’High’ A19 ~ A29 : Valid A30 : Must be same as previous A30 A30 : Valid A30 : must be same as previous A30 NOTE : It is an example for two-plane page program into plane 0~1(In this case, A30 is low), and the method for two-plane page program into plane 2 ~3 is same. two-plane page program into plane 0&2(or plane 0&3, or plane 1&2, or plane 1&3) is prohibited. NOTE : Two-plane block erase into plane 0&2(or plane 0&3, or plane 1&2, or plane 1&3) is prohibited. 2.Any command between 11h and 81h is prohibited except 70h and FFh. Note2 A30 : Must be same as previous A30 |
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