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Sector Program Operation

鈥?Single Cycle Reprogram (Erase and Program)

鈥?1024 Sectors (256 Bytes/Sector)

鈥?Internal Address and Data Latches for 256 Bytes

Internal Program Control and Timer

Hardware and Software Data Protection

Two 8K Bytes Boot Blocks with Lockout

Fast Sector Program Cycle Time 鈥?10 ms

DATA Polling for End of Program Detection

Low Power Dissipation

鈥?40 mA Active Current

鈥?100 碌A CMOS Standby Current

Typical Endurance > 10,000 Cycles

Single 5V

鹵10%

Supply

CMOS and TTL Compatible Inputs and Outputs

Commercial and Industrial Temperature Ranges

鈥?/div>

2-megabit

(256K x 8)

5-volt Only

Flash Memory

AT29C020

Description

The AT29C020 is a 5-volt-only in-system Flash programmable and erasable read-only

memory (PEROM). Its 2 megabits of memory is organized as 262,144 bytes. Manu-

factured with Atmel鈥檚 advanced nonvolatile CMOS technology, the device offers

access times to 70 ns with power dissipation of just 220 mW over the commercial tem-

perature range. When the device is deselected, the CMOS standby current is less

than 100 碌A. Device endurance is such that any sector can typically be written to in

excess of 10,000 times.

Pin Configurations

Pin Name

A0 - A17

CE

OE

WE

I/O0 - I/O7

NC

Function

Addresses

Chip Enable

Output Enable

Write Enable

Data Inputs/Outputs

No Connect

DIP Top View

NC

A16

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

I/O0

I/O1

I/O2

GND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

VCC

WE

A17

A14

A13

A8

A9

A11

OE

A10

CE

I/O7

I/O6

I/O5

I/O4

I/O3

TSOP Top View

Type 1

A11

A9

A8

A13

A14

A17

WE

VCC

NC

A16

A15

A12

A7

A6

A5

A4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

OE

A10

CE

I/O7

I/O6

I/O5

I/O4

I/O3

GND

I/O2

I/O1

I/O0

A0

A1

A2

A3

PLCC Top View

4

3

2

1

32

31

30

A12

A15

A16

NC

VCC

WE

A17

I/O1

I/O2

GND

I/O3

I/O4

I/O5

I/O6

14

15

16

17

18

19

20

A7

A6

A5

A4

A3

A2

A1

A0

I/O0

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

A14

A13

A8

A9

A11

OE

A10

CE

I/O7

Rev. 0291M鈥揊LASH鈥?5/02

1

現(xiàn)有數(shù)量
0現(xiàn)貨
價格
停產
系列
-
包裝
管件
產品狀態(tài)
停產
存儲器類型
非易失
存儲器格式
閃存
技術
閃存
存儲容量
2Mb
存儲器組織
256K x 8
存儲器接口
并聯(lián)
時鐘頻率
-
寫周期時間 - 字，頁
10ms
訪問時間
70 ns
電壓 - 供電
4.5V ~ 5.5V
工作溫度
0°C ~ 70°C（TC）
安裝類型
通孔
封裝/外殼
32-DIP（0.600"，15.24mm）
供應商器件封裝
32-PDIP

AT29C020-70PC相關型號PDF文件下載

型號

版本

描述

廠商

下載
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AUTOLOETLAMPE PIEZOZUENDUNG AUF DRUCK

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4-Megabit 512K x 8 5-volt Only 256-Byte Sector CMOS Flash Me...

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256K (32K x 8) 5-volt Only Flash Memory

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AT29C256

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256K 32K x 8 5-volt Only CMOS Flash Memory

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AT29C257

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256K 32K x 8 5-volt Only CMOS Flash Memory

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AT29C257

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AT29C432

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AT29C432

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AT29C512

英文版

512K (64K x 8) 5-volt Only Flash Memory

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英文版

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AT29C020-70PC Datasheet

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