Datasheet > 25AA040AX-I/STG

25AA040AX-I/STG

更新时间： 2023-01-02 19:17:07

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
26页	350K
描述
IC,SERIAL EEPROM,512X8,CMOS,TSSOP,8PIN,PLASTIC

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中文翻译

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数据手册

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25AA040AX-I/STG 数据手册

25AA040A/25LC040A

4K SPI^™Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25AA040A

25LC040A

1.8-5.5V

2.5-5.5V

16 Bytes

P, MS, SN, ST

I, E

Features

Description

• Max. clock 10 MHz

The Microchip Technology Inc. 25XX040A* is a 4k-bit

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, 10MHz

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

- Standby Current 5 µA 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. Pb-free (Pure Matte Sn) finish is

also available.

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• High reliability

Package Types (not to scale)

- Endurance: 1,000,000 erase/write cycles

- Data retention: > 200 years

- ESD protection: > 4000V

• Temperature ranges supported;

- Industrial (I):

- Automotive (E):

PDIP/SOIC

(P, SN)

TSSOP/MSOP

(ST, MS)

VCC

HOLD

SCK

HOLD

SCK

-40°C to +85°C

-40°C to +125°C

VSS

• Standard and Pb-free packages available

X-Rotated TSSOP

(X/ST)

Pin Function Table

Name

Function

Chip Select Input

HOLD

SCK

VSS

VCC

Serial Data Output

Write-Protect

Ground

SPI is a registered trademark of Motorola Corporation.

VSS

Serial Data Input

Serial Clock Input

Hold Input

SCK

HOLD

VCC

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

25AA040A and the 25LC040A.

Supply Voltage

 2003 Microchip Technology Inc.

Preliminary

DS21827B-page 1

12 3 4 5 6 7...26

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与25AA040AX-I/STG相关器件

型号	品牌	获取价格	描述	数据表
25AA040AXT-E/MC	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-E/MS	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-E/OT	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-E/P	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-E/SN	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-E/ST	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-I/MC	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-I/MS	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-I/OT	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM
25AA040AXT-I/P	MICROCHIP	获取价格	4K SPI Bus Serial EEPROM

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