Datasheet > 存储 > EEPROM> 25AA040-I/SN

25AA040-I/SN

更新时间： 2024-02-11 13:01:32

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
22页	402K
描述
4K SPI ⑩ Bus Serial EEPROM

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中文翻译

获取价格

数据手册
替代型号

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25AA040-I/SN 数据手册

Not recommended for new designs –

Please use 25AA040A or 25LC040A.

25AA040/25LC040/25C040

4K SPI Bus Serial EEPROM

Communication to the device can be paused via the

hold pin (HOLD). While the device is paused, transi-

tions on its inputs will be ignored, with the exception of

Chip Select, allowing the host to service higher priority

interrupts. Also, write operations to the device can be

disabled via the write-protect pin (WP).

Device Selection Table

Part

Number

VCC

Range

Max. Clock

Frequency

Temp.

Ranges

25AA040

25LC040

25C040

1.8-5.5V

2.5-5.5V

4.5-5.5V

1 MHz

2 MHz

3 MHz

Package Types

I,E

PDIP

VCC

Features:

HOLD

SCK

• Low-power CMOS technology:

- Write current: 3 mA, typical

- Read current: 500 μA, typical

- Standby current: 500 nA, typical

• 512 x 8-bit organization

• 16 byte page

VSS

SOIC

VCC

HOLD

SCK

• Write cycle time: 5 ms max.

• Self-timed Erase and Write cycles

• Block write protection:

VSS

TSSOP

- Protect none, 1/4, 1/2 or all of array

• Built-in write protection:

- Power on/off data protection circuitry

- Write enable latch

HOLD

VCC

SCK

VSS

- Write-protect pin

• Sequential read

• High reliability:

Block Diagram

- Endurance: 1M cycles

STATUS

HV Generator

- Data retention: > 200 years

- ESD protection: > 4000V

• 8-pin PDIP, SOIC and TSSOP packages

• Temperature ranges supported:

- Industrial (I):

- Automotive (E) (25C040):

-40°C to +85°C

EEPROM

Array

Memory

Control

Logic

-40°C to +125°C

I/O Control

Logic

XDEC

Description:

Page

Latches

The Microchip Technology Inc. 25AA040/25LC040/

25C040 (25XX040^*) is a 4 Kbit serial Electrically

Erasable PROM. The memory is accessed via a simple

Serial Peripheral Interface (SPI) compatible serial bus.

The bus signals required are a clock input (SCK) plus

separate data in (SI) and data out (SO) lines. Access to

the device is controlled through a Chip Select (CS)

input.

Y Decoder

SCK

Sense Amp.

R/W Control

HOLD

VCC

VSS

*25XX040 is used in this document as a generic part number

for the 25AA040/25LC040/25C040 devices.

DS21204E-page 1

12 3 4 5 6 7...22

中文翻译

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25AA040-I/SN 替代型号

型号	品牌	替代类型	描述	数据表
25AA040XT-I/ST	MICROCHIP	类似代替	512 X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, TSSOP-8
25AA040T-I/SN	MICROCHIP	类似代替	4K SPI ⑩ Bus Serial EEPROM
25AA040A-I/SN	MICROCHIP	类似代替	4K SPI Bus Serial EEPROM

与25AA040-I/SN相关器件

型号	品牌	获取价格	描述	数据表
25AA040-I/ST	MICROCHIP	获取价格	4K SPI ⑩ Bus Serial EEPROM
25AA040-I/STG	MICROCHIP	获取价格	512 X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, TSSOP-8
25AA040IN	ETC	获取价格	EEPROM
25AA040-IP	ETC	获取价格	SPI Serial EEPROM
25AA040-ISN	ETC	获取价格	SPI Serial EEPROM
25AA040N	ETC	获取价格	EEPROM
25AA040-P	ETC	获取价格	SPI Serial EEPROM
25AA040-SN	ETC	获取价格	SPI Serial EEPROM
25AA040ST	ETC	获取价格	EEPROM
25AA040T	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM

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