AT45DB321C datasheet(1/37 Pages) ATMEL

Part #	AT45DB321C

Description	32 MEGABIT 2.7 VOLT DATAFLASH

PDF	37 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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1 / 37 page

1

Features

• Single 2.7 - 3.6V Supply

• RapidS™ Serial Interface: 40 MHz Maximum Clock Frequency

(SPI Modes 0 and 3 Compatible for Frequencies Up to 33 MHz)

• Page Program

– 8192 Pages (528 Bytes/Page)

• Automated Erase Operations

– Page Erase 528 Bytes

– Block Erase 4,224 Bytes

• Two 528-byte SRAM Data Buffers – Allows Receiving of Data

while Reprogramming the Flash Array

• Continuous Read Capability through Entire Array

– Ideal for Code Shadowing Applications

• Low-power Dissipation

– 10 mA Active Read Current Typical – Serial Interface

– 8 µA CMOS Standby Current Typical

• Hardware and Software Data Protection Features

– Individual Sector Locking

• Security: 128-byte Security Register

– 64-byte User Programmable Space

– Unique 64-byte Device Identifier

• JEDEC Standard Manufacturer and Device ID Read

• 100,000 Program/Erase Cycles per Page

• Data Retention – 20 years

• Commercial and Industrial Temperature Ranges

• Green (Pb/Halide-free) Packaging Options

Description

The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited

fo r a wid e v a r i et y o f d i g i t a l v o i c e- , im ag e- , p r og r a m co de - an d da t a -

storage applications. The AT45DB321C supports a 4-wire serial interface known as

RapidS for applications requiring very high speed operations.

32-megabit

2.7 volt

DataFlash®

AT45DB321C

Preliminary

3387B–DFLSH–9/04

CBGA Top View

through Package

A

B

C

D

E

1

2345

NC

VCC

WP

RESET

NC

GND

RDY/BSY

SI

NC

SCK

CS

SO

NC

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

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

CASON – Top View

through Package

SI

SCK

RESET

CS

SO

GND

VCC

WP

8

7

6

5

1

2

3

4

DataFlash Card(1)

Top View through Package

Note:

1.

See AT45DCB004 Datasheet

76 54321

Similar Part No. - AT45DB321C

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT45DB321C	632Kb / 40P	32-megabit 2.7 volt DataFlash
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	AT45DB321C-CI	632Kb / 40P	32-megabit 2.7 volt DataFlash
	AT45DB321C-CNC	632Kb / 40P	32-megabit 2.7 volt DataFlash
	AT45DB321C-CNU	632Kb / 40P	32-megabit 2.7 volt DataFlash

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Manufacturer	Part #	Datasheet	Description
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