Datasheet > 25AA256XTI/SN

25AA256XTI/SN

更新时间： 2024-11-25 00:35:39

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
32页	837K
描述
256K SPI Bus Serial EEPROM

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中文翻译

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25AA256XTI/SN 数据手册

25AA256/25LC256

256K SPI Bus Serial EEPROM

Device Selection Table

Part Number

25LC256

VCC Range

Page Size

Temp. Ranges

Packages

2.5-5.5V

1.8-5.5V

64 Byte

I, E

P, SN, SM, ST, MF

25AA256

Features:

Description:

• Max. Clock 10 MHz

The Microchip Technology Inc. 25AA256/25LC256

(25XX256*) are 256 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

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: 6 mA at 5.5V, 10 MHz

- Standby Current: 1 A at 5.5V

• 32,768 x 8-bit Organization

• 64-Byte Page

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

• Block Write Protection:

Communication to the device can be paused via the

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

transitions on its inputs will be ignored, with the

exception of Chip Select, allowing the host to service

higher priority interrupts.

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

• Built-In Write Protection:

- Power-on/off data protection circuitry

- Write enable latch

The 25XX256 is available in standard packages includ-

ing 8-lead PDIP and SOIC, and advanced packaging

including 8-lead DFN and 8-lead TSSOP.

- Write-protect pin

• Sequential Read

Package Types (not to scale)

• High Reliability:

DFN

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

- Data retention: > 200 years

- ESD protection: > 4000V

PDIP/SOIC

(MF)

(P, SN, SM)

VCC

HOLD

SCK

VCC

HOLD

SCK

• Temperature Ranges Supported:

VSS

- Industrial (I):

- Automotive (E):

-40C to +85C

-40°C to +125°C

VSS

• Pb-Free and RoHS Compliant

Rotated TSSOP

(ST)

Pin Function Table

Name

Function

SCK

HOLD

VCC

Chip Select Input

Serial Data Output

Write-Protect

VSS

Ground

TSSOP

(ST)

Serial Data Input

Serial Clock Input

Hold Input

SCK

HOLD

VCC

HOLD

SCK

Supply Voltage

VSS

* 25XX256 is used in this document as a generic part number

for the 25AA256/25LC256 devices.

 2003-2013 Microchip Technology Inc.

DS21822G-page 1

12 3 4 5 6 7...32

中文翻译

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与25AA256XTI/SN相关器件

型号	品牌	获取价格	描述	数据表
25AA256XTI/ST	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25AA256XT-I/ST	MICROCHIP	获取价格	32K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, MO-153, TSSOP-8
25AA256XTIMF	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25AA256XTIP	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25AA256XTISM	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25AA256XTISN	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25AA256XTIST	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25AA320	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320/25LC320/25C320	ETC	获取价格	25AA320/25LC320/25C320 Datasheet
25AA320/SNG	MICROCHIP	获取价格	4K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, SOIC-8

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