AT49F040A-55JJ

更新时间： 2024-11-08 13:05:43

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存存储内存集成电路异步传输模式 ATM
页数	文件大小	规格书
16页	264K
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数据手册

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AT49F040A-55JJ 数据手册

Features

• Single-voltage Operation

– 5V Read

– 5V Reprogramming

• Fast Read Access Time – 55 ns

• Internal Program Control and Timer

• Sector Architecture

– One 16K Bytes Boot Block with Programming Lockout

– Two 8K Bytes Parameter Blocks

– Eight Main Memory Blocks (One 32K Bytes, Seven 64K Bytes)

• Fast Erase Cycle Time – 6 Seconds

• Byte-by-Byte Programming – 20 µs/Byte Typical

• Hardware Data Protection

• DATA Polling for End of Program Detection

• Low Power Dissipation

– 20 mA Active Current

– 70 µA CMOS Standby Current

• Typical 10,000 Write Cycles

4-megabit

(512K x 8)

5-volt Only

Flash Memory

Description

AT49F040A

The AT49F040A is a 5-volt only in-system reprogrammable Flash memory. Its

4 megabits of memory is organized as 524,288 words by 8 bits. Manufactured with

Atmel’s advanced nonvolatile CMOS technology, the device offers access times to

55 ns with power dissipation of just 110 mW over the commercial temperature range.

Pin Configurations

Pin Name Function

TSOP Top View (8 x 20 mm)

Type 1

A0 - A18

Addresses

Chip Enable

Output Enable

Write Enable

A11

A10

A13

A14

A17

VCC

A18

A16

A15

A12

I/O7

I/O6

I/O5

I/O4

I/O3

GND

I/O2

I/O1

I/O0

I/O0 - I/O7 Data Inputs/Outputs

PLCC Top View

29 A14

28 A13

27 A8

26 A9

25 A11

24 OE

23 A10

22 CE

21 I/O7

A2 10

A1 11

A0 12

I/O0 13

3359B–FLASH–10/04

12 3 4 5 6 7...16

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与AT49F040A-55JJ相关器件

型号	品牌	获取价格	描述	数据表
AT49F040A-55JU	ATMEL	获取价格	Flash, 512KX8, 55ns, PQCC32, GREEN, PLASTIC, MS-016AE, LCC-32
AT49F040A-55TI	ATMEL	获取价格	4-megabit (512K x 8) 5-volt Only Flash Memory
AT49F040A-70JI	ATMEL	获取价格	4-megabit (512K x 8) 5-volt Only Flash Memory
AT49F040A-70JJ	ATMEL	获取价格	Flash, 512KX8, 70ns, PQCC32, PLASTIC, MS-016AE, LCC-32
AT49F040A-70JU	ATMEL	获取价格	暂无描述
AT49F040A-70TI	ATMEL	获取价格	4-megabit (512K x 8) 5-volt Only Flash Memory
AT49F040A-70TJ	ATMEL	获取价格	Flash, 512KX8, 70ns, PDSO32, 8 X 20 MM, PLASTIC, MO-142BD, TSOP1-32
AT49F040A-70TU	ATMEL	获取价格	暂无描述
AT49F040B	ATMEL	获取价格	4-megabit (512K x 8) 5-volt Only Flash Memory
AT49F040B-55JU	ATMEL	获取价格	Flash, 512KX8, 55ns, PQCC32, GREEN, PLASTIC, MS-016AE, LCC-32