Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

AT45DB021-JI Datasheet(PDF) 9 Page - ATMEL Corporation

Part # AT45DB021-JI
Description  2-Megabit 2.7-volt Only Serial DataFlash
Download  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB021-JI Datasheet(HTML) 9 Page - ATMEL Corporation

Back Button AT45DB021-JI Datasheet HTML 5Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 6Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 7Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 8Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 9Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 10Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 11Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 12Page - ATMEL Corporation AT45DB021-JI Datasheet HTML 13Page - ATMEL Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 18 page
background image
AT45DB021
9
Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
Main Memory Page Program through Buffers
Buffer Write
Buffer to Main Memory Page Program
(Data from Buffer Programmed into Flash Page)
FLASH MEMORY ARRAY
PAGE (264 BYTES)
BUFFER 2 (264 BYTES)
BUFFER 1 (264 BYTES)
I/O INTERFACE
SI
BUFFER 1 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY
PAGE PROGRAM
THROUGH BUFFER 2
BUFFER 2 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY PAGE
PROGRAM THROUGH
BUFFER 1
BUFFER 1
WRITE
BUFFER 2
WRITE
SI
CMD
n
n+1
Last Byte
· Completes writing into selected buffer
· Starts self-timed erase/program operation
CS
r r r, PA11-7
PA6-0, BFA8
BFA7-0
SI
CMD
X
X···X, BFA8
BFA7-0
n
n+1
Last Byte
· Completes writing into selected buffer
CS
SI
CMD
PA6-0, X
CS
Starts self-timed erase/program operation
r r r, PA11-7
X
Each transition represents
8 bits and 8 clock cycles
n = 1st byte written
n+1 = 2nd byte written


Similar Part No. - AT45DB021-JI

ManufacturerPart #DatasheetDescription
logo
ATMEL Corporation
AT45DB021A ATMEL-AT45DB021A Datasheet
395Kb / 28P
   2-megabit 2.7-volt Only Serial DataFlash
AT45DB021A-JC ATMEL-AT45DB021A-JC Datasheet
395Kb / 28P
   2-megabit 2.7-volt Only Serial DataFlash
AT45DB021A-JI ATMEL-AT45DB021A-JI Datasheet
395Kb / 28P
   2-megabit 2.7-volt Only Serial DataFlash
AT45DB021A-RC ATMEL-AT45DB021A-RC Datasheet
395Kb / 28P
   2-megabit 2.7-volt Only Serial DataFlash
AT45DB021A-RI ATMEL-AT45DB021A-RI Datasheet
395Kb / 28P
   2-megabit 2.7-volt Only Serial DataFlash
More results

Similar Description - AT45DB021-JI

ManufacturerPart #DatasheetDescription
logo
ATMEL Corporation
AT45DB021A ATMEL-AT45DB021A Datasheet
395Kb / 28P
   2-megabit 2.7-volt Only Serial DataFlash
AT45DB021B ATMEL-AT45DB021B Datasheet
261Kb / 33P
   2-megabit 2.7-volt Only DataFlash
AT45DB021B ATMEL-AT45DB021B_05 Datasheet
484Kb / 32P
   2-megabit 2.7-volt Only DataFlash
AT45DB021B ATMEL-AT45DB021B Datasheet
261Kb / 33P
   2-megabit 2.7-volt Only DataFlash
AT45DB321 ATMEL-AT45DB321 Datasheet
154Kb / 20P
   32-Megabit 2.7-volt Only Serial DataFlash
AT45DB081A ATMEL-AT45DB081A Datasheet
412Kb / 28P
   8-megabit 2.7-volt Only Serial DataFlash
AT45DB011 ATMEL-AT45DB011 Datasheet
150Kb / 19P
   1-Megabit 2.7-volt Only Serial DataFlash
AT45DB081 ATMEL-AT45DB081 Datasheet
115Kb / 16P
   8-Megabit 2.7-volt Only Serial DataFlash
AT45DB161 ATMEL-AT45DB161_01 Datasheet
318Kb / 21P
   16-megabit 2.7-volt Only Serial DataFlash
AT45DB041 ATMEL-AT45DB041 Datasheet
209Kb / 18P
   4-Megabit 2.7-volt Only Serial DataFlash
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com