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AT49BV020-12TI Datasheet

  • AT49BV020-12TI

  • 2-Megabit 256K x 8 Single 2.7-volt Battery-Voltage Flash Mem...

  • 171.13KB

  • 10頁

  • ATMEL   ATMEL

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Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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Single Supply Voltage, Range 2.7V to 3.6V
Single Supply for Read and Write
Fast Read Access Time - 70 ns
Internal Program Control and Timer
8K bytes Boot Block With Lockout
Fast Erase Cycle Time - 10 seconds
Byte By Byte Programming - 30
碌
s/Byte typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
鈥?25 mA Active Current
鈥?50
碌
A CMOS Standby Current
鈥?/div>
Typical 10,000 Write Cycles
Description
The AT49BV020 and the AT49LV020 are 3-volt-only, 2 megabit Flash memories
organized as 262,144 words of 8 bits each. Manufactured with Atmel's advanced non-
volatile CMOS technology, the devices offer access times to 70 ns with power dissipa-
tion of just 90 mW over the commercial temperature range. When the device is dese-
lected, the CMOS standby current is less than 50
碌A(chǔ).
To allow for simple in-system reprogrammability, the AT49BV/LV020 does not require
high input voltages for programming. Three-volt-only commands determine the read
and programming operation of the device. Reading data out of the device is similar to
reading from an EPROM. Reprogramming the AT49BV/LV020 is performed by eras-
ing the entire 2 megabits of memory and then programming on a byte by byte basis.
The typical byte programming time is a fast 30
碌s.
The end of a program cycle can be
optionally detected by the DATA polling feature. Once the end of a byte program cycle
has been detected, a new access for a read or program can begin. The typical num-
ber of program and erase cycles is in excess of 10,000 cycles.
(continued)
2-Megabit
(256K x 8)
Single 2.7-volt
Battery-Voltage
鈩?/div>
Flash Memory
AT49BV020
AT49LV020
Pin Configuration
Pin Name
A0 - A17
CE
OE
WE
I/O0 - I/O7
NC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
PLCC Top View
VSOP Top View (8 x 14mm) or
TSOP Top View (8 x 20mm)
Type 1
Rev. 0678C鈥?3/98
1

AT49BV020-12TI相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    PROTECTIVE GUARD KB SER SQ&RND
  • 英文版
    COVER DUST POLY FOR KB SERIES
  • 英文版
    CENTER BARRIER BLACK POLY LB SER
  • 英文版
    PROTECTIVE GUARD FOR LB SER SQ
  • 英文版
    Round Pushbutton Switch Cap Black Slip On
  • 英文版
    Round Pushbutton Switch Cap Red Slip On
  • 英文版
    128K x 8 (1M bit), 2.7-Volt (BV)/3-Volt (LV) Read and 2.7-Vo...
  • 英文版
    1-Megabit 128K x 8 5-volt Only Flash Memory
    ATMEL
  • 英文版
    1-Megabit 128K x 8 5-volt Only Flash Memory
    ATMEL [ATM...
  • 英文版
    2-Megabit 256K x 8 5-volt Only Flash Memory
    ATMEL
  • 英文版
    2-megabit (256K x 8) 5-volt Only Flash Memory
    ATMEL [ATM...
  • 英文版
    2-Megabit 256K x 8 5-volt Only Flash Memory
    ATMEL [ATM...
  • 英文版
    4-Megabit CMOS Flash Memory
    ETC
  • 英文版
    ATMEL Corporation [4-Megabit 512K x 8/ 256K x 16 CMOS Flash...
    ATMEL
  • 英文版
    8-Megabit 5-volt Only Flash Memory
    ETC
  • 英文版
    8-Megabit 1M x 8 5-volt Only Flash Memory
    ATMEL
  • 英文版
    ATMEL Corporation [1-Megabit 128K x 8 5-volt Only CMOS Flas...
    ATMEL
  • 英文版
    ATMEL Corporation [2-Megabit 256K x 8 5-volt Only CMOS Flas...
    ATMEL
  • 英文版
    4 Megabit 512K x 8 5-volt Only CMOS Flash Memory
    ATMEL
  • 英文版
    4-Megabit 512K x 8 5-volt Only CMOS Flash Memory
    ATMEL [ATM...

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