Datasheet > 25AA040A_12

25AA040A_12

更新时间： 2024-01-26 13:22:59

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
38页	1106K
描述
4K SPI Bus Serial EEPROM

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中文翻译

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数据手册

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25AA040A_12 数据手册

25AA040A/25LC040A

4K SPI Bus Serial EEPROM

Device Selection Table

Part Number

25AA040A

VCC Range

Page Size

Temp. Ranges

Packages

1.8-5.5V

2.5-5.5V

16 Bytes

P, MS, SN, ST, MN, MC, OT

25LC040A

I, E

Features:

Description:

• Max. Clock 10 MHz

The Microchip Technology Inc. 25XX040A* is a 4 Kbit

Serial Electrically Erasable Programmable Read-Only

Memory (EEPROM). 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.

• Low-Power CMOS Technology:

- Max. Write Current: 5 mA at 5.5V, 10 MHz

- Read Current: 5 mA at 5.5V, 10 MHz

- Standby Current: 5 A at 5.5V

• 512 x 8-Bit Organization

• Write Page mode (up to 16 bytes)

• Sequential Read

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.

• Self-timed Erase and Write Cycles (5 ms max.)

• Block Write Protection:

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

• Built-in Write Protection:

The 25XX040A is available in standard packages

including 8-lead PDIP and SOIC, and advanced

packages including 8-lead MSOP, 8-lead TSSOP

and rotated TSSOP, 8-lead 2x3 DFN and TDFN, and

6-lead SOT-23.

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• High Reliability:

- Endurance: 1,000,000 Erase/Write cycles

- Data retention: >200 years

- ESD protection: >4000V

Package Types (not to scale)

PDIP/SOIC

TSSOP/MSOP

(ST, MS)

(P, SN)

• Temperature Ranges Supported:

VCC

- Industrial (I):

- Automotive (E):

-40C to +85C

-40C to +125C

HOLD

SCK

HOLD

SCK

VSS

• Pb-Free and RoHS Compliant

VSS

DFN/TDFN

(MC, MN)

Pin Function Table

SOT-23

(OT)

Name

Function

HOLD

SCK

VSS

Chip Select Input

Serial Data Output

Write-Protect

VSS

Ground

X-Rotated TSSOP

(X/ST)

Serial Data Input

Serial Clock Input

Hold Input

HOLD

SCK

VSS

VCC

SCK

HOLD

VCC

*25XX040A is used in this document as a generic part number

for the 25AA040A and the 25LC040A.

Supply Voltage

 2003-2012 Microchip Technology Inc.

DS21827H-page 1

12 3 4 5 6 7...38

中文翻译

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与25AA040A_12相关器件

型号	品牌	获取价格	描述	数据表
25AA040A-E/MC	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-E/MS	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-E/OT	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-E/P	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-E/SN	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-E/ST	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-I	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-I/MC	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-I/MS	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040A-I/MSG	MICROCHIP	获取价格	IC,SERIAL EEPROM,512X8,CMOS,TSSOP,8PIN,PLASTIC

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