AT45DB011B-SC datasheet(16/32 Pages) ATMEL

Part #	AT45DB011B-SC

Description	1-megabit 2.7-volt Only DataFlash

PDF	32 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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16 / 32 page

AT45DB011B

1984J–DFLASH–06/06

Write

Operations

The following block diagram and waveforms illustrate the various write sequences available.

Main Memory Page Program through Buffer

Buffer Write

Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)

FLASH MEMORY ARRAY

PAGE (264 BYTES)

BUFFER (264 BYTES)

I/O INTERFACE

BUFFER TO

MAIN MEMORY

PAGE PROGRAM

MAIN MEMORY PAGE

PROGRAM THROUGH

BUFFER

WRITE

CMD

n+1

Last Byte

· Completes writing into buffer

· Starts self-timed erase/program operation

r ···r , PA8-7

PA6-0, BFA8

BFA7-0

CMD

X···X, BFA8

BFA7-0

n+1

Last Byte

· Completes writing into buffer

CMD

PA6-0, X

Starts self-timed erase/program operation

r ···r , PA8-7

Each transition represents

8 bits and 8 clock cycles

n = 1st byte written

n+1 = 2nd byte written

AT45DB011B-SC Datasheet(PDF) 16 Page - ATMEL Corporation

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