AT49BV322A Datasheet

IC型号：
AT49BV322A
PDF描述：
ATMEL Corporation [32-megabit (2M x 16/4M x 8) 3-volt Only ...
文件大小：
213.95KB
芯片厂家：
ATMEL

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Features

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Single Voltage Read/Write Operation: 2.65V to 3.6V

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Access Time 鈥?70 ns

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Sector Erase Architecture

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鈥?Sixty-three 32K Word (64K Bytes) Sectors with Individual Write Lockout

鈥?Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout

Fast Word Program Time 鈥?12 碌s

Fast Sector Erase Time 鈥?300 ms

Suspend/Resume Feature for Erase and Program

鈥?Supports Reading and Programming from Any Sector by Suspending Erase

of a Different Sector

鈥?Supports Reading Any Byte/Word in the Non-suspending Sectors by Suspending

Programming of Any Other Byte/Word

Low-power Operation

鈥?12 mA Active

鈥?13 碌A Standby

Data Polling, Toggle Bit, Ready/Busy for End of Program Detection

VPP Pin for Write Protection

RESET Input for Device Initialization

Sector Lockdown Support

TSOP and CBGA Package Options

Top or Bottom Boot Block Configuration Available

128-bit Protection Register

Minimum 100,000 Erase Cycles

Common Flash Interface (CFI)

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32-megabit

(2M x 16/4M x 8)

3-volt Only

Flash Memory

AT49BV322A

AT49BV322AT

Description

The AT49BV322A(T) is a 2.7-volt 32-megabit Flash memory organized as 2,097,152

words of 16 bits each or 4,194,304 bytes of 8 bits each. The x16 data appears on I/O0

- I/O15; the x8 data appears on I/O0 - I/O7. The memory is divided into 71 sectors for

erase operations. The device is offered in a 48-lead TSOP and a 48-ball CBGA pack-

age. The device has CE and OE control signals to avoid any bus contention. This

device can be read or reprogrammed using a single power supply, making it ideally

suited for in-system programming.

Pin Configurations

Pin Name

A0 - A20

RESET

RDY/BUSY

VPP

I/O0 - I/O14

I/O15 (A-1)

BYTE

Function

Addresses

Chip Enable

Output Enable

Write Enable

Reset

READY/BUSY Output

Write Protection

Data Inputs/Outputs

I/O15 (Data Input/Output, Word Mode)

A-1 (LSB Address Input, Byte Mode)

Selects Byte or Word Mode

No Connect

3308H鈥揊LASH鈥?/04

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