Datasheet > 存储 > EEPROM> 25AA640AXT-E/MNY

25AA640AXT-E/MNY

更新时间： 2024-11-20 06:24:15

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
30页	510K
描述
64K SPI Bus Serial EEPROM

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中文翻译

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25AA640AXT-E/MNY 数据手册

25AA640A/25LC640A

64K SPI Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25LC640A

25AA640A

2.5-5.5V

1.8-5.5V

32 Byte

I,E

P, SN, ST, MS, MF, MNY

Features:

Description:

• Max. Clock 10 MHz

The Microchip Technology Inc. 25AA640A/25LC640A

(25XX640A^*) are 64 kbit Serial Electrically Erasable

PROMs. The memory is accessed via a simple Serial

Peripheral Interface (SPI) compatible serial bus. The

bus signals required are a clock input (SCK) plus sep-

arate 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: 1 μA at 5.5V

• 8192 x 8-bit Organization

• 32 Byte Page

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 25XX640A is available in standard packages

including 8-lead PDIP and SOIC, and advanced

packaging including 8-lead MSOP, 8-lead TSSOP, DFN

and TDFN.

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• Sequential Read

• High Reliability

Package Types (not to scale)

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

- Data retention: > 200 years

- ESD protection: > 4000V

• Temperature Ranges Supported:

PDIP/SOIC

(P, SN)

TSSOP/MSOP

(ST, MS)

VCC

HOLD

SCK

HOLD

SCK

- Industrial (I):

-40°C to +85°C

VSS

- Automotive (E):

-40°C to +125°C

VSS

DFN/TDFN

(MF/MNY)

X-Rotated TSSOP

(X/ST)

VCC

HOLD

SCK

HOLD

SCK

VSS

* 25XX640A is used in this document as a generic part number

for the 25AA640A, 25LC640A devices.

DS21830D-page 1

12 3 4 5 6 7...30

中文翻译

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与25AA640AXT-E/MNY相关器件

型号	品牌	获取价格	描述	数据表
25AA640AXT-E/MS	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-E/P	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-E/SN	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-E/ST	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-I/MF	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-I/MNY	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-I/MS	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-I/P	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-I/SN	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640AXT-I/ST	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM

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