GD9FS1G8F2ALG datasheet(21/55 Pages) GIGADEVICE

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GD9Fx1GxF2A

8.2 Page Program Operation

8.2.1 Common Page Program (80H-10H)

The device is programmed basically on a page basis, but it does allow multiple partial pages programming of a word or

consecutive bytes up to 2,176 in a single page program cycle. The number of consecutive partial page programming

operation within the same page without an intervening erase operation must not exceed 4 times for main array

(1time/512byte) and 4 times for spare array (1time/16byte). The addressing must be done in sequential order in a block. A

page program cycle consists of a serial data loading period in which up to 2,176 bytes of data may be loaded into the data

The serial data loading period begins by inputting the Serial Data Input command (80h), followed by the four cycle address

inputs and then serial data loading. The words other than those to be programmed do not need to be loaded.

The Page Program Confirm command (10h) initiates the programming process. Writing 10h alone without previously

entering the serial data will not initiate the programming process. The internal write state controller automatically executes

the algorithms and timings necessary for program and verify, thereby freeing the system controller for other tasks. Once

the program process starts, the Read Status Register command may be issued to read the status register.

The command register remains in Read Status command mode until another valid command is written to the command

CLE

ALE

WE#

RE#

I/Ox

CE#

Row.

Add2

Row.

Add1

Col.

Add2

Col.

Add1

80h

Din

N+1

Din

10h

70h

Status

R/B#

tPROG

:Don't care

tCS

tCLS

tDStDH

tWB

tWHR

IO 0 = 0, pass

IO 0 = 1, fail

tWC

Figure 17: Common Page Program figures

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