25LC256T-E/MF

更新时间： 2024-01-18 07:27:18

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	580K
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中文翻译

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数据手册
替代型号

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25LC256T-E/MF 数据手册

25AA256/25LC256

256K SPI Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25LC256

25AA256

2.5-5.5V

1.8-5.5V

64 Byte

I, E

P, SN, SM, ST, MF

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 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: 6 mA at 5.5V, 10 MHz

- Standby Current: 1 μA at 5.5V

• 32,768 x 8-bit Organization

• 64-Byte Page

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.

• 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 25XX256 is available in standard packages

including 8-lead PDIP and SOIC, and advanced

packaging including 8-lead DFN and 8-lead TSSOP.

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• Sequential Read

Package Types (not to scale)

• High Reliability:

DFN

PDIP/SOIC

(P, SN, SM)

(MF)

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

- Data retention: > 200 years

- ESD protection: > 4000V

VCC

HOLD

SCK

VCC

HOLD

SCK

• Temperature Ranges Supported:

- Industrial (I):

- Automotive (E):

VSS

-40°C to +85°C

VSS

-40°C to +125°C

• Pb-Free and RoHS Compliant

Rotated TSSOP

(ST)

Pin Function Table

SCK

HOLD

Name

Function

VCC

Chip Select Input

Serial Data Output

Write-Protect

VSS

TSSOP

(ST)

VSS

Ground

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.

DS21822F-page 1

12 3 4 5 6 7...26

中文翻译

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25LC256T-E/MF 替代型号

型号	品牌	替代类型	描述	数据表
25LC256-E/MF	MICROCHIP	完全替代	32K X 8 SPI BUS SERIAL EEPROM, PDSO8, 6 X 5 MM, ROHS COMPLIANT, PLASTIC, DFN-8
24AA256-I/MF	MICROCHIP	类似代替	256K I2C CMOS Serial EEPROM

与25LC256T-E/MF相关器件

型号	品牌	获取价格	描述	数据表
25LC256TE/P	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25LC256TE/SM	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25LC256T-E/SM	MICROCHIP	获取价格	32K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.208 INCH, EIAJ, PLASTIC, SOIC-8
25LC256TE/SN	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25LC256T-E/SN	MICROCHIP	获取价格	32K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, MS-012, SOIC-8
25LC256TE/ST	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25LC256T-E/ST	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25LC256T-E/STG	MICROCHIP	获取价格	32K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, MO-153, TSSOP-8
25LC256TEMF	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM
25LC256T-EMF	MICROCHIP	获取价格	256K SPI Bus Serial EEPROM

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