AT45DB081B-CC-2.5 datasheet(1/33 Pages) ATMEL

Part #	AT45DB081B-CC-2.5

Description	8-megabit 2.5-volt Only or 2.7-volt Only DataFlash

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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1

Features

• Single 2.5V - 3.6V or 2.7V - 3.6V Supply

• Serial Peripheral Interface (SPI) Compatible

• 20 MHz Max Clock Frequency

• Page Program Operation

– Single Cycle Reprogram (Erase and Program)

– 4096 Pages (264 Bytes/Page) Main Memory

• Supports Page and Block Erase Operations

• Two 264-byte SRAM Data Buffers – Allows Receiving of Data

while Reprogramming of Nonvolatile Memory

• Continuous Read Capability through Entire Array

– Ideal for Code Shadowing Applications

• Low Power Dissipation

– 4 mA Active Read Current Typical

– 2 µA CMOS Standby Current Typical

• Hardware Data Protection Feature

• 100% Compatible to AT45DB081 and AT45DB081A

• 5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins

• Commercial and Industrial Temperature Ranges

• Green (Pb/Halide-free) Packaging Options

Description

The AT45DB081B is a 2.5-volt or 2.7-volt only, serial interface Flash memory ideally

suited for a wide variety of digital voice-, image-, program code- and data-storage

applications. Its 8,650,752 bits of memory are organized as 4096 pages of 264 bytes

each. In addition to the main memory, the AT45DB081B also contains two SRAM

data buffers of 264 bytes each. The buffers allow receiving of data while a page in the

main memory is being reprogrammed, as well as writing a continuous data stream.

8-megabit

2.5-volt Only or

2.7-volt Only

DataFlash®

AT45DB081B

TSOP Top View

Type 1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

RDY/BUSY

RESET

WP

NC

VCC

GND

NC

CS

SCK

SI

SO

NC

CBGA Top View

through Package

A

B

C

D

E

12

3

NC

VCC

WP

RESET

NC

GND

RDY/BSY

SI

NC

SCK

CS

SO

NC

SOIC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

GND

NC

CS

SCK

SI

SO

NC

VCC

NC

WP

RESET

RDY/BUSY

NC

Pin Configurations

Pin Name

Function

CS

Chip Select

SCK

Serial Clock

SI

Serial Input

SO

Serial Output

WP

Hardware Page Write

Protect Pin

RESET

Chip Reset

RDY/BUSY

Ready/Busy

Rev. 2225I–DFLSH–9/05

CASON

Top View through Package

SI

SCK

RESET

CS

SO

GND

VCC

WP

8

7

6

5

1

2

3

4

Similar Part No. - AT45DB081B-CC-2.5

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT45DB081B-CC-2.5	414Kb / 32P	8-megabit 2.5-volt Only or 2.7-volt Only DataFlash

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Similar Description - AT45DB081B-CC-2.5

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT45DB081B	414Kb / 32P	8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
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	AT45DB081D	1Mb / 53P	8-megabit 2.5-volt or 2.7-volt DataFlash
	AT45DB081D	1Mb / 54P	8-megabit 2.5-volt or 2.7-volt DataFlash
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AT45DB081B-CC-2.5 Datasheet(PDF) 1 Page - ATMEL Corporation

AT45DB081B-CC-2.5 Datasheet(HTML) 1 Page - ATMEL Corporation

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