AT49BV4096A-12TC

更新时间： 2024-10-31 23:00:35

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存
页数	文件大小	规格书
15页	244K
描述
4-Megabit 512K x 8/ 256K x 16 CMOS Flash Memory

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中文翻译

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数据手册

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AT49BV4096A-12TC 数据手册

Features

• 2.7V to 3.6V Read/Write Operation

• Fast Read Access Time - 120 ns

• Internal Erase/Program Control

• Sector Architecture

– One 8K Words (16K bytes) Boot Block with Programming Lockout

– Two 4K Words (8K bytes) Parameter Blocks

– One 240K Words (480K bytes) Main Memory Array Block

• Fast Sector Erase Time - 10 seconds

• Byte-by-Byte or Word-By-Word Programming - 30 µs Typical

• Hardware Data Protection

• DATA Polling For End Of Program Detection

• Low-Power Dissipation

– 25 mA Active Current

– 50 µA CMOS Standby Current

• Typical 10,000 Write Cycles

4-Megabit

(512K x 8/

256K x 16)

CMOS Flash

Memory

Description

The AT49BV004(T) and AT49BV4096A(T) are 3-volt, 4-megabit Flash Memories

organized as 524,288 words of 8 bits each or 256K words of 16 bits each. Manufac-

tured with Atmel’s advanced nonvolatile CMOS technology, the devices offer access

times to 120 ns with power dissipation of just 67 mW at 2.7V read. When deselected,

the CMOS standby current is less than 50 µA.

AT49BV004

The device contains a user-enabled “boot block” protection feature. Two versions of

the feature are available: the AT49BV004/4096A locates the boot block at lowest

order addresses (“bottom boot”); the AT49BV004T/4096AT locates it at highest order

addresses (“top boot”).

AT49BV004T

AT49BV4096A

AT49BV4096AT

Preliminary

To allow for simple in-system reprogrammability, the AT49BV004(T)/4096A(T) does

not require high input voltages for programming. Reading data out of the device is

similar to reading from an EPROM; it has standard CE, OE, and WE inputs to avoid

bus contention. Reprogramming the AT49BV004(T)/4096A(T) is performed by first

erasing a block of data and then programming on a byte-by-byte or word-by-word

basis.

(continued)

Pin Configurations

Pin Name

A0 - A18

Function

Addresses

Chip Enable

Output Enable

Write Enable

Reset

RESET

RDY/BUSY

Ready/Busy Output

Optional Power Supply for Faster

Program/Erase Operations

VPP

I/O0 - I/O14 Data Inputs/Outputs

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

I/O15(A-1)

A-1 (LSB Address Input, Byte Mode)

Selects Byte or Word Mode

No Connect

BYTE

Rev. 1139A–09/98

12 3 4 5 6 7...15

中文翻译

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与AT49BV4096A-12TC相关器件

型号	品牌	获取价格	描述	数据表
AT49BV4096A-12TI	ATMEL	获取价格	4-Megabit 512K x 8/ 256K x 16 CMOS Flash Memory
AT49BV4096A-12TJ	ATMEL	获取价格	Flash, 256KX16, 120ns, PDSO48, 12 X 20 MM, PLASTIC, TSOP1-48
AT49BV4096A-12TL	ATMEL	获取价格	Flash, 256KX16, 120ns, PDSO48, 12 X 20 MM, PLASTIC, TSOP1-48
AT49BV4096A-15RC	ATMEL	获取价格	Flash, 256KX16, 150ns, PDSO44, 0.525 INCH, PLASTIC, SOIC-44
AT49BV4096A-15RI	ATMEL	获取价格	Flash, 256KX16, 150ns, PDSO44, 0.525 INCH, PLASTIC, SOIC-44
AT49BV4096A-15TC	ATMEL	获取价格	Flash, 256KX16, 150ns, PDSO48, PLASTIC, MO-142D, TSOP-48
AT49BV4096A-15TI	ATMEL	获取价格	Flash, 256KX16, 150ns, PDSO48, PLASTIC, MO-142D, TSOP-48
AT49BV4096A-15TJ	ATMEL	获取价格	Flash, 256KX16, 150ns, PDSO48, PLASTIC, MO-142D, TSOP-48
AT49BV4096A-15TL	ATMEL	获取价格	Flash, 256KX16, 150ns, PDSO48, PLASTIC, MO-142D, TSOP-48
AT49BV4096A-90C1C	ATMEL	获取价格	Flash, 256KX16, 90ns, PBGA48, 7 X 7 MM, 1.20 MM HEIGHT, 0.75 MM PITCH, CBGA-48

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