256 Kbit serial I2C bus EEPROM

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  • The M24256-BW can operate with a supply voltage from 2.5 V to 5.5 V, the M24256-BR and M24256-DR can operate with a supply voltage from 1.8 V to 5.5 V, and the M24256-BF and M24256-DF can operate with a supply voltage from 1.7 V to 5.5 V. All these devices operate with a clock frequency of 1 MHz (or less), over an ambient temperature range of –40 °C / +85 °C.

    主要特性

    Compatible with all I2C bus modes:
    • 1 MHz
    • 400 kHz
    • 100 kHz



    Memory array:
    • 256 Kbit (32 Kbyte) of EEPROM
    • Page size: 64 byte
    • Additional Write lockable page (M24256-D order codes)



    Single supply voltage and high speed:
    • 1 MHz clock from 1.7 V to 5.5 V



    Write:
    • Byte Write within 5 ms
    • Page Write within 5 ms



    Operating temperature range:
    • from -40 °C up to +85 °C



    Random and sequential Read modes
    Write protect of the whole memory array


    Enhanced ESD/Latch-Up protection


    More than 4 million Write cycles


    More than 200-years data retention


    Packages
    • SO8 ECOPACK2®
    • TSSOP8 ECOPACK2®
    • UFDFPN8 ECOPACK2®
    • WLCSP ECOPACK2®
    • Unsawn wafer (each die is tested)

样片和购买

型号
Replacement Product
Package
Packing Type
Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
More info
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max
M24256BFKW20I/90 - WAFER Not Applicable -40 85
Active
- -
MORE INFO

ECCN (US):

EAR99

Country of Origin:

-

No availability of distributors reported, please contact our sales office
M24256-BFMC6TG - UFDFPN8 Tape And Reel -40 85
Active
0.2219 1000
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

Check Availability

Distributor availability ofM24256-BFMC6TG

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ARROW AMERICA 1895 1 Order Now
MOUSER WORLDWIDE 11053 1 Order Now

代理商库存报告日期: 2019-03-25

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11053

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代理商库存报告日期: 2019-03-25

Buy direct
M24256-BFDW6TP - TSSOP8 Tape And Reel -40 85
Active
0.2138 1000
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofM24256-BFDW6TP

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 3704 1 Order Now
RS COMPONENTS EUROPE 3100 1 Order Now
Newark Element14 AMERICA 2808 0 Order Now
MOUSER WORLDWIDE 4377 1 Order Now

代理商库存报告日期: 2019-03-25

代理商名称

DIGIKEY

库存

3704

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1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

3100

Min.Order

1

地区

EUROPE Order Now

Newark Element14

库存

2808

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

4377

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-03-25

Get sample

M24256BFKW20I/90

Replacement Product

-

Package

WAFER

Unit Price (US$)

*

Packing Type

Not Applicable

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

-

Quantity

-

ECCN (US)

EAR99

Country of Origin

-

M24256-BFMC6TG

Replacement Product

-

Package

UFDFPN8

Unit Price (US$)

0.2219*

Distributor availability ofM24256-BFMC6TG

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 6155 1 Order Now
AVNET AMERICA 20000 0 Order Now
ARROW AMERICA 1895 1 Order Now
MOUSER WORLDWIDE 11053 1 Order Now

代理商库存报告日期: 2019-03-25

代理商名称

DIGIKEY

库存

6155

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

20000

Min.Order

0

地区

AMERICA Order Now

ARROW

库存

1895

Min.Order

1

地区

AMERICA Order Now

MOUSER

库存

11053

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-03-25

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.2219

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

M24256-BFDW6TP

Replacement Product

-

Package

TSSOP8

Unit Price (US$)

0.2138*

Distributor availability ofM24256-BFDW6TP

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 3704 1 Order Now
RS COMPONENTS EUROPE 3100 1 Order Now
Newark Element14 AMERICA 2808 0 Order Now
MOUSER WORLDWIDE 4377 1 Order Now

代理商库存报告日期: 2019-03-25

代理商名称

DIGIKEY

库存

3704

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

3100

Min.Order

1

地区

EUROPE Order Now

Newark Element14

库存

2808

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

4377

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-03-25

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.2138

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

00 Files Selected

技术文档

    • Description 版本 文档大小 Action
      DS1766
      256-Kbit serial I²C bus EEPROM
      34.0
      838.19 KB
      PDF
      DS1766

      256-Kbit serial I²C bus EEPROM

    • Description 版本 文档大小 Action
      AN4653
      Cycling endurance and data retention of high density EEPROM based on CMOS F8H process
      1.0
      267.34 KB
      PDF
      AN971
      I2C communication between ST7 and M24CXX EEPROM
      1.7
      64.48 KB
      PDF
      AN1471
      What happens to the M24xxx I²C EEPROM if the I²C bus communication is stopped?
      4.4
      72.36 KB
      PDF
      AN4653

      Cycling endurance and data retention of high density EEPROM based on CMOS F8H process

      AN971

      I2C communication between ST7 and M24CXX EEPROM

      AN1471

      What happens to the M24xxx I²C EEPROM if the I²C bus communication is stopped?

    • Description 版本 文档大小 Action
      TN1171
      Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use
      3.0
      574.55 KB
      PDF
      TN0440
      M24256 and M24512 EEPROM devices: compatibility with the I²C-bus specification at 400 kHz and 1 MHz
      2.1
      157.46 KB
      PDF
      TN1171

      Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use

      TN0440

      M24256 and M24512 EEPROM devices: compatibility with the I²C-bus specification at 400 kHz and 1 MHz

HW Model, CAD Libraries & SVD

    • Description 版本 文档大小 Action
      IBIS model I2C M24xxx Standard EEPROM (-40 degC to 85 degC) 4.0
      5.86 MB
      ZIP
      IBIS model SPI M95xxx Standard EEPROM (-40 degC to 85 degC) 5.0
      4.92 MB
      ZIP
      Verilog model I2C EEPROM M24XXX 2.0
      18.97 KB
      ZIP
      Verilog model SPI EEPROM M95XXX 2.2
      57.49 KB
      ZIP

      IBIS model I2C M24xxx Standard EEPROM (-40 degC to 85 degC)

      IBIS model SPI M95xxx Standard EEPROM (-40 degC to 85 degC)

      Verilog model I2C EEPROM M24XXX

      Verilog model SPI EEPROM M95XXX

演示和培训资料

    • Description 版本 文档大小 Action
      EEPROM general presentation 1.0
      627.51 KB
      PDF
      EEPROM in WLCSP July 2016 1.4
      281.42 KB
      PDF
      I2C EEPROM in DFN5 small package 1.0
      555.19 KB
      PDF

      EEPROM general presentation

      EEPROM in WLCSP July 2016

      I2C EEPROM in DFN5 small package

出版刊物和宣传资料

    • Description 版本 文档大小 Action
      EEPROM in Ultra-small packages 1.0
      1.22 MB
      PDF
      Serial EEPROM 1.0
      1.73 MB
      PDF

      EEPROM in Ultra-small packages

      Serial EEPROM

    • Description 版本 文档大小 Action
      EEPROM selection guide 2.0
      1,007.87 KB
      PDF

      EEPROM selection guide

    • Description 版本 文档大小 Action
      Products and solutions for solar energy 1.0
      1.29 MB
      PDF
      Semiconductor solutions for healthcare applications 1.0
      665.18 KB
      PDF
      Smart grid distribution and smart meters - Energy-efficient solutions 2.0
      1.58 MB
      PDF

      Products and solutions for solar energy

      Semiconductor solutions for healthcare applications

      Smart grid distribution and smart meters - Energy-efficient solutions

型号 Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M24256BFKW20I/90
Active
WAFER 工业 N/A
M24256-BFMC6TG
Active
UFDFPN8 工业 Ecopack2
M24256-BFDW6TP
Active
TSSOP8 工业 Ecopack2

M24256BFKW20I/90

Package:

WAFER

Material Declaration**:

PDF XML

Marketing Status

Active

Package

WAFER

Grade

Industrial

RoHS Compliance Grade

N/A

M24256-BFMC6TG

Package:

UFDFPN8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M24256-BFDW6TP

Package:

TSSOP8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.