Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

AT49LV002-70JI Datasheet(PDF) 4 Page - ATMEL Corporation

Part # AT49LV002-70JI
Description  2-Megabit 256K x 8 Single 2.7-Volt Battery-Voltage Flash Memory
Download  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49LV002-70JI Datasheet(HTML) 4 Page - ATMEL Corporation

  AT49LV002-70JI Datasheet HTML 1Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 2Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 3Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 4Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 5Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 6Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 7Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 8Page - ATMEL Corporation AT49LV002-70JI Datasheet HTML 9Page - ATMEL Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 20 page
background image
AT49BV/LV002(N)(T)
4
address range of the boot block is 3C000 to 3FFFF for the
AT49BV/LV002(N)T.
Once the feature is enabled, the data in the boot block can
no longer be erased or programmed with input voltage of
5.5V or less. Data in the main memory block can still be
changed through the regular programming method. To acti-
vate the lockout feature, a series of six program commands
to specific addresses with specific data must be performed.
Please refer to the Command Definitions table.
BOOT BLOCK LOCKOUT DETECTION: A software
method is available to determine if programming of the boot
block section is locked out. When the device is in the soft-
ware product identification mode (see Software Product
Identification Entry and Exit sections) a read from address
location 00002H will show if programming the boot block is
locked out for the AT49BV/LV002(N), and a read from
address location 3C002H will show if programming the
bootblock is locked out for AT49BV/LV002(N)T. If the data
on I/O0 is low, the boot block can be programmed; if the
data on I/O0 is high, the program lockout feature has been
activated and the block cannot be programmed. The soft-
ware product identification code should be used to return to
standard operation.
BOOT BLOCK PROGRAMMING LOCKOUT OVERRIDE:
The user can override the boot block programming lockout
by taking the RESET pin to 12 volts during the entire chip
erase, sector erase or byte programming operation. When
the RESET pin is brought back to TTL levels the boot block
programming lockout feature is again active. This feature is
not available on the AT49BV/LV002N(T).
PRODUCT IDENTIFICATION: The product identification
mode identifies the device and manufacturer as Atmel. It
may be accessed by hardware or software operation. The
hardware operation mode can be used by an external pro-
grammer to identify the correct programming algorithm for
the Atmel product.
For details, see Operating Modes (for hardware operation)
or Software Product Identification. The manufacturer and
device code is the same for both modes.
DATA POLLING: The AT49BV/LV002(N)(T) features
DATA polling to indicate the end of a program cycle. During
a program cycle an attempted read of the last byte loaded
will result in the complement of the loaded data on I/O7.
Once the program cycle has been completed, true data is
valid on all outputs and the next cycle may begin. DATA
polling may begin at any time during the program cycle.
TOG G LE B I T : I n add ition to D A T A p o lling the
AT49BV/LV002(N)(T) provides another method for deter-
mining the end of a program or erase cycle. During a pro-
gram or erase operation, successive attempts to read data
from the device will result in I/O6 toggling between one and
zero. Once the program cycle has completed, I/O6 will stop
toggling and valid data will be read. Examining the toggle
bit may begin at any time during a program cycle.
HARDWARE DATA PROTECTION: Hardware features
pr ot ect ag ainst ina d ver t e n t pr og r a ms t o the
AT49BV/LV002(N)(T) in the following ways: (a) VCC sense:
if V
CC is below 1.8V (typical), the program function is inhib-
ited. (b) Program inhibit: holding any one of OE low, CE
high or WE high inhibits program cycles. (c) Noise filter:
pulses of less than 15 ns (typical) on the WE or CE inputs
will not initiate a program cycle.


Similar Part No. - AT49LV002-70JI

ManufacturerPart #DatasheetDescription
logo
ATMEL Corporation
AT49LV002 ATMEL-AT49LV002 Datasheet
120Kb / 21P
   2-Megabit (256K x 8) Single 2.7-volt Battery-Voltage??Flash Memory
AT49LV002N ATMEL-AT49LV002N Datasheet
120Kb / 21P
   2-Megabit (256K x 8) Single 2.7-volt Battery-Voltage??Flash Memory
AT49LV002NT ATMEL-AT49LV002NT Datasheet
120Kb / 21P
   2-Megabit (256K x 8) Single 2.7-volt Battery-Voltage??Flash Memory
AT49LV002T ATMEL-AT49LV002T Datasheet
120Kb / 21P
   2-Megabit (256K x 8) Single 2.7-volt Battery-Voltage??Flash Memory
More results

Similar Description - AT49LV002-70JI

ManufacturerPart #DatasheetDescription
logo
ATMEL Corporation
AT49BV-LV002 ATMEL-AT49BV-LV002 Datasheet
120Kb / 21P
   2-Megabit (256K x 8) Single 2.7-volt Battery-Voltage??Flash Memory
AT49BV002A ATMEL-AT49BV002A Datasheet
207Kb / 18P
   2-megabit (256K x 8) Single 2.7-volt Battery-Voltage Flash Memory
AT49BV020 ATMEL-AT49BV020 Datasheet
167Kb / 10P
   2-Megabit 256K x 8 Single 2.7-volt Battery-Voltage Flash Memory
AT29BV020 ATMEL-AT29BV020_08 Datasheet
368Kb / 16P
   2-megabit (256K x 8) Single 2.7-volt Battery-Voltage Flash Memory
AT29BV020 ATMEL-AT29BV020 Datasheet
489Kb / 10P
   2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory
AT49BV2048A ATMEL-AT49BV2048A Datasheet
263Kb / 17P
   2-megabit (256K x 8/128K x 16) Single 2.7-volt Battery-Voltage??Flash Memory
AT49LV4096A ATMEL-AT49LV4096A Datasheet
365Kb / 16P
   4-megabit (512K x 8/256K x 16) Single 2.7-volt Battery-Voltage Flash Memory
AT49BV080 ATMEL-AT49BV080 Datasheet
201Kb / 12P
   8-Megabit 1M x 8 Single 2.7-volt Battery-Voltage Flash Memory
AT49BV010 ATMEL-AT49BV010 Datasheet
88Kb / 11P
   1-Megabit 128K x 8 Single 2.7-volt Battery-Voltage Flash Memory
AT49BV040 ATMEL-AT49BV040 Datasheet
210Kb / 12P
   4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20


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