AT49BV802AT Datasheet

IC型号：
AT49BV802AT
PDF描述：
8-megabit (512K x 16/1M x 8) 3-volt Only Flash Memory
文件大小：
764.65KB
PDF页数：
32页
芯片厂家：
ATMEL

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Features

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

鈥?/div>

Access Time 鈥?70 ns

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Sector Erase Architecture

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鈥?Fifteen 32K Word (64K Bytes) Sectors with Individual Write Lockout

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

Fast Byte/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

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)

鈥?/div>

8-megabit

(512K x 16/

1M x 8)

3-volt Only

Flash Memory

AT49BV802A

AT49BV802AT

Description

The AT49BV802A(T) is a 2.7-volt 8-megabit Flash memory organized as 524,288

words of 16 bits each or 1,048,576 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 23 sectors for

erase operations. The AT49BV802A(T) is offered in a 48-lead TSOP and a 48-ball

CBGA package. The device has CE and OE control signals to avoid any bus conten-

tion. 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 - A18

RESET

RDY/BUSY

I/O0 - I/O14

I/O15 (A-1)

BYTE

Function

Addresses

Chip Enable

Output Enable

Write Enable

Reset

READY/BUSY Output

Data Inputs/Outputs

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

A-1 (LSB Address Input, Byte Mode)

Selects Byte or Word Mode

No Connect

Rev. 3405C鈥揊LASH鈥?/04

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