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Features

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

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

– Supports Reading and Programming from Any Sector by Suspending Erase

of a Different Sector

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

Programming of Any Other Byte/Word

–12 mA Active

– 13 µA Standby

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

Function

A0 - A18

Addresses

CE

Chip Enable

OE

Output Enable

WE

Write Enable

RESET

Reset

RDY/BUSY

READY/BUSY Output

I/O0 - I/O14

Data Inputs/Outputs

I/O15 (A-1)

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

A-1 (LSB Address Input, Byte Mode)

BYTE

Selects Byte or Word Mode

NC

No Connect

8-megabit

(512K x 16/

1M x 8)

3-volt Only

Flash Memory

AT49BV802A

AT49BV802AT

Rev. 3405C–FLASH–9/04