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Sector Erase Architecture

鈥?Thirty 32K word (64K byte) Sectors with Individual Write Lockout

鈥?Eight 4K word (8K byte) Sectors with Individual Write Lockout

鈥?Two 16K word (32K byte) Sectors with Individual Write Lockout

Fast Word Program Time - 20

碌

s

Fast Sector Erase Time - 200 ms

Dual Plane Organization, Permitting Concurrent Read while Program/Erase

鈥?Memory Plane A: Eight 4K Word, Two 16K Word and Six 32K Word Sectors

鈥?Memory Plane B: Twenty-Four 32K Word Sectors

Erase Suspend Capability

鈥?Supports Reading/Programming Data from Any Sector by Suspending Erase of

Any Different Sector

Low Power Operation

鈥?25 mA Active

鈥?10

碌

A Standby

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

Optional V

PP

Pin for Fast Programming

RESET Input for Device Initialization

Sector Program Unlock Command

TSOP, CBGA, and

碌

BGA Package Options

Top or Bottom Boot Block Configuration Available

鈥?/div>

16-Megabit

(1M x 16/2M x 8)

3-volt Only

Flash Memory

AT49BV1604

AT49BV1604T

AT49BV1614

AT49BV1614T

Advance

Information

AT49BV16X4(T)

AT49BV1604

Description

The AT49BV16X4(T) is 2.7 to 3.6 volt 16-megabit Flash memory organized as

1,048,576 words of 16 bits each or 2,097,152 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 40 blocks for erase operations. The device is offered in 48-pin TSOP and 48-ball

碌BGA

packages. The device has CE, and OE control signals to avoid any bus con-

tention. This device can be read or reprogrammed using a single 2.7V power supply,

making it ideally suited for in-system programming.

(continued)

Pin Configurations

Pin Name

A0 - A19

CE

OE

WE

RESET

RDY/BUSY

V

PP

I/O0 - I/O14

I/O15 (A-1)

BYTE

NC

V

CCQ

DC

Function

Addresses

Chip Enable

Output Enable

Write Enable

Reset

READY/BUSY Output

Optional Power Supply for Faster

Program/Erase Operations

Data Inputs/Outputs

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

A-1 (LSB Address Input, Byte Mode)

Selects Byte or Word Mode

No Connect

Output Power Supply

Don鈥檛 Connect

Rev. 0925B鈥?5/98

1

型號(hào)

版本

描述

廠商

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