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  • The M24128 is a 128-Kbit I2C-compatible EEPROM (Electrically Erasable PROgrammable Memory) organized as 16 K × 8 bits.

    The M24128-BW can operate with a supply voltage from 2.5 V to 5.5 V, the M24128-BR can operate with a supply voltage

    Key Features

    • Compatible with all I2C bus modes:
      • 1 MHz
      • 400 kHz
      • 100 kHz
    • Memory array:
      • 128 Kbit (16 Kbyte) of EEPROM
      • Page size: 64 byte
      • Additional Write lockable page (M24128-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®
      • UFDFPN5 ECOPACK2®
      • Unsawn wafer (each die is tested)

Circuit Diagram

Download Download

Recommended for you

Mobile Applications

    • Part Number

      Serial EEPROMs product finder for Android and iOS

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS6639
      128-Kbit serial I²C bus EEPROM
      30.0
      879.33 KB
      PDF
      DS6639

      128-Kbit serial I²C bus EEPROM

    • Description Version Size Action
      AN2014
      How a designer can make the most of STMicroelectronics Serial EEPROMs
      10.1
      1.13 MB
      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
      AN2014

      How a designer can make the most of STMicroelectronics Serial EEPROMs

      AN971

      I2C communication between ST7 and M24CXX EEPROM

      AN1471

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

    • Description Version Size Action
      TN1171
      Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use
      3.0
      574.55 KB
      PDF
      TN0991
      Description of WLCSP for STMicroelectronics EEPROMs and recommendations for use
      2.2
      721.8 KB
      PDF
      TN1171

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

      TN0991

      Description of WLCSP for STMicroelectronics EEPROMs and recommendations for use

    • Description Version Size Action
      ES0369
      M24128-BF and M24128-DF package mechanical data modifications
      1.0
      231.3 KB
      PDF
      ES0369

      M24128-BF and M24128-DF package mechanical data modifications

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      3D_MODEL_EEPROM_ALL_PACKAGES 1.0
      160.28 KB
      ZIP
      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

      3D_MODEL_EEPROM_ALL_PACKAGES

      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

Presentations & Training Material

    • Description Version Size Action
      EEPROM in WLCSP July 2016 1.4
      281.42 KB
      PDF
      I2C EEPROM in DFN5 small package 1.0
      555.19 KB
      PDF
      Standard Serial EEPROM presentation 1.0
      545.36 KB
      PDF
      World first 4Mbit SPI EEPROM presentation 1.0
      335.78 KB
      PDF

      EEPROM in WLCSP July 2016

      I2C EEPROM in DFN5 small package

      Standard Serial EEPROM presentation

      World first 4Mbit SPI EEPROM presentation

Publications and Collaterals

    • Description Version Size 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 Version Size 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

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M24128-BFDW6TP
Active
TSSOP8 Industrial Ecopack2
M24128-BFMC6TG
Active
UFDFPN8 Industrial Ecopack2
M24128-BFMH6TG
Active
DFN5 Industrial Ecopack2
M24128-BFMN6TP
Active
SO8 Industrial Ecopack2
M24128BFTW20I/90
Active
WAFER Industrial N/A

M24128-BFDW6TP

Package:

TSSOP8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M24128-BFMC6TG

Package:

UFDFPN8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M24128-BFMH6TG

Package:

DFN5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DFN5

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M24128-BFMN6TP

Package:

SO8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M24128BFTW20I/90

Package:

WAFER

Material Declaration**:

Marketing Status

Active

Package

WAFER

Grade

Industrial

RoHS Compliance Grade

N/A

(**) 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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Replacement Product
Package
Packing Type
Temperature (°C) Marketing Status
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
min
max
M24128-BFMN6TP Available at 1 distributors

Distributor availability ofM24128-BFMN6TP

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 7125 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

MOUSER

Stock

7125

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-08

Buy now - SO8 Tape And Reel -40 85
Active
EAR99 CHINA 0.1565 / 1k
M24128-BFMH6TG Available at 1 distributors

Distributor availability ofM24128-BFMH6TG

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 5442 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

MOUSER

Stock

5442

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-08

Get sample - DFN5 Tape And Reel -40 85
Active
EAR99 PHILIPPINES 0.1794 / 1k
M24128BFTW20I/90 No availability of distributors reported, please contact our sales office - WAFER Not Applicable -40 85
Active
EAR99 FRANCE 0.1615 / 1k
M24128-BFDW6TP No availability of distributors reported, please contact our sales office - TSSOP8 Tape And Reel -40 85
Active
EAR99 CHINA 0.1637 / 1k
M24128-BFMC6TG Available at 5 distributors

Distributor availability ofM24128-BFMC6TG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4580 1 Order Now
RS COMPONENTS EUROPE 5000 1 Order Now
ARROW AMERICA 254 1 Order Now
MOUSER WORLDWIDE 5000 1 Order Now
Farnell Element14 EUROPE 5243 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

4580

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5000

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

254

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

5000

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

5243

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Buy now - UFDFPN8 Tape And Reel -40 85
Active
EAR99 PHILIPPINES 0.1895 / 1k

M24128-BFMN6TP

Replacement Product

-

Package

SO8

Budgetary Price (US$)*/Qty

0.1565 / 1k

Distributor availability ofM24128-BFMN6TP

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 7125 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

MOUSER

Stock

7125

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-08

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.1565 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

M24128-BFMH6TG

Replacement Product

-

Package

DFN5

Budgetary Price (US$)*/Qty

0.1794 / 1k

Distributor availability ofM24128-BFMH6TG

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 5442 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

MOUSER

Stock

5442

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-08

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.1794 / 1k

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

M24128BFTW20I/90

Replacement Product

-

Package

WAFER

Budgetary Price (US$)*/Qty

0.1615 / 1k

Packing Type

Not Applicable

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.1615 / 1k

ECCN (US)

EAR99

Country of Origin

FRANCE

M24128-BFDW6TP

Replacement Product

-

Package

TSSOP8

Budgetary Price (US$)*/Qty

0.1637 / 1k

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.1637 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

M24128-BFMC6TG

Replacement Product

-

Package

UFDFPN8

Budgetary Price (US$)*/Qty

0.1895 / 1k

Distributor availability ofM24128-BFMC6TG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4580 1 Order Now
RS COMPONENTS EUROPE 5000 1 Order Now
ARROW AMERICA 254 1 Order Now
MOUSER WORLDWIDE 5000 1 Order Now
Farnell Element14 EUROPE 5243 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

4580

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5000

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

254

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

5000

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

5243

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.1895 / 1k

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

(*) 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