GD9FS1G8F2AMG datasheet(22/55 Pages) GIGADEVICE

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GD9Fx1GxF2A

8.2.2 Page Program Operation with Random Data Input (85H-10H)

The device supports random data input in a page. The column address of next data, which will be entered, may be changed

to the address which follows random data input command (85H). Random data input may be operated multiple times

regardless of how many times it is done in a page.

Din

N+1

85h

Col.

Add1

Din

70h

Col.

Add2

tWHR

Status

10h

Din

J+1

Din

Row.

Add2

Row.

Add1

Col.

Add2

Col.

Add1

80h

IO 0 = 0, pass

IO 0 = 1, fail

tCS

tDS tCH

tADL

:Don't care

CE#

CLE

ALE

WE#

RE#

I/Ox

R/B#

tCLS

tWC

tPROG

Figure 18: Page Program Operation with Random Data Input figures

8.2.3 Page Re-program (8BH-10H)

It was also highlighted that page program may result in a fail, which can be detected by Read Status Register. In this event,

it implements the

innovative feature of “page re-program”. This command allows the re-programming of the same pattern

of the (failed) page into another memory location. The command sequence initiates with re-program setup (8BH), followed

by the four cycle address inputs of the target page. If the target pattern for the destination page is not changed compared

to the page, the program confirm can be issued (10H) without any data input cycle.

On the other hand, if the pattern bound for the target page is different from that of the previous page, data in cycles can be

issued before program confirm “10H”

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