H27UBG8T2BTA データシートの表示（PDF） - Hynix Semiconductor
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H27UBG8T2BTA Datasheet PDF : 57 Pages
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Preliminary
H27UBG8T2BTR-BC Series
32Gb(4096M x 8bit) Legacy MLC NAND Flash
When program operation is abnormally aborted (ex. power-down, reset), not only page data under program but
also a coupled row paired page data may be damaged. For example, during Page Program operation of page
address 05h is aborted by reset or power down, the data of 00h, 01h, 04h, and 05h page address may be
spoiled.
6.2. Acceptable Command after 80h
After Program Start Command (80h) is inputted, do not input any command except 85h, 10h, 11h, 15h, and FFh.
If a command is inputted except these commands, the program operation cannot be executed.
6.3. Acceptable Command between Start command and Confirm command
Only Reset Command is available between start commands and confirm commands set (start
command-address-confirm command style) that is mentioned in 1.7 Command Set. If other command
is inputted, the operation cannot be executed. Do not input any commands except FFh. For instance, it
is impossible to perform a normal Page Read operation, if any command is inputted between Page
Read Command Set (00h - 5 address cycle - 30h).
6.4. Restriction of Read Status Value in Multi Plane Operation
During Multi plane operation, only 70h, 78h,75h and FFh are available between 11h-81h. But, the
pass/fail output information of 70h and 78h and 75h is not valid. During this time, only ready / busy
(I/O6 and I/O5) state can be checked. Refer to Figure 57.
Figure 57 : Restriction read status in multi plane operation
6.5. Page Program Failure
If the Page Program operation for page address N is fail, remain data in data register may be different to input
data by host. Therefore, do not attempt to program the page address M in another block without the data input
sequence. The same input sequence of 80h command, address and data is necessary.
6.6. Restriction Multi Plane Operation
To prevent abnormal multi plane operation, do not input bad block address to all Multi Plane Operation.
Otherwise, the input data of valid block could be lost and the operation could be abnormally stopped.
Rev 0.7 / Jan. 2011
57
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