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  • The M95256 devices are Electrically Erasable PROgrammable Memories (EEPROMs) organized as 32768 x 8 bits, accessed through the SPI bus.

    The M95256-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95256-R can operate with a supply voltage from 1.8 V to 5.5 V and the M95256-DF can operate with a supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of -40 °C / +85 °C.

    Key Features

    • Compatible with the Serial Peripheral Interface (SPI) bus
    • Memory array
      • 256 Kb (32 Kbytes) of EEPROM
      • Page size: 64 bytes
    • Write
      • Byte Write within 5 ms
      • Page Write within 5 ms
    • Additional Write lockable page (Identification page)
    • Write Protect: quarter, half or whole memory array
    • High-speed clock: 20 MHz
    • Single supply voltage:
      • 2.5 V to 5.5 V for M95256-W
      • 1.8 V to 5.5 V for M95256-R
      • 1.7 V to 5.5 V for M95256-DF
    • Operating temperature range: from -40 °C up to +85 °C
    • Enhanced ESD protection
    • More than 4 million Write cycles
    • More than 200-year data retention
    • Packages:
      • SO8 (ECOPACK2®)
      • TSSOP8 (ECOPACK2®)
      • UFDFPN8 (ECOPACK2®)
      • WLCSP (ECOPACK2®)

Circuit Diagram

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    • Part number
      Status
      Description
      Type
      Supplier

      X-NUCLEO-EEPRMA2

      Active

      Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx series for STM32 Nucleo

      STM32 Nucleo expansion boards ST
      X-NUCLEO-EEPRMA2

      Description:

      Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx series for STM32 Nucleo
    • Part number
      Status
      Description
      Type
      Supplier

      ST EEPROM Finder

      Active

      Serial EEPROMs product finder for Android and iOS

      Finders Apps ST
      ST EEPROM Finder

      Description:

      Serial EEPROMs product finder for Android and iOS

EDA Symbols, Footprints and 3D Models

STMicroelectronics - M95256-R

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M95256-RDW6TP
Active
TSSOP8 Industrial Ecopack2
M95256-RMC6TG
Active
UFDFPN8 Industrial Ecopack2
M95256-RMN6TP
Active
SO8 Industrial Ecopack2

M95256-RDW6TP

Package:

TSSOP8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256-RMC6TG

Package:

UFDFPN8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256-RMN6TP

Package:

SO8

Material Declaration**:

Marketing Status

Active

Package

SO8

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Replacement Product
Budgetary Price (US$)*/Qty
More info
min
max
M95256-RMN6TP Available at 6 distributors

Distributor availability ofM95256-RMN6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1724 1 Order Now
COMPEL EUROPE 1004 1 Order Now
AVNET AMERICA 5000 0 Order Now
ARROW EUROPE 77500 0 Order Now
MOUSER WORLDWIDE 9060 1 Order Now
RUTRONIK EUROPE 2500 2500 Order Now

Distributor reported inventory date: 2020-12-01

Distributor Name

DIGIKEY

Stock

1724

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

1004

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

77500

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

9060

Min.Order

1

Region

WORLDWIDE Order Now

RUTRONIK

Stock

2500

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2020-12-01

Buy Direct
Active
EAR99 NEC Tape And Reel SO8 -40 85 - 0.3342 / 1k
MORE INFO

Unit Price (US$):

0.3342

Country of Origin:

PHILIPPINES

M95256-RMC6TG Available at 2 distributors

Distributor availability ofM95256-RMC6TG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6655 1 Order Now
MOUSER WORLDWIDE 11019 1 Order Now

Distributor reported inventory date: 2020-12-01

Distributor Name

DIGIKEY

Stock

6655

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

11019

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-12-01

Buy Direct
Active
EAR99 NEC Tape And Reel UFDFPN8 -40 85 - 0.404 / 1k
MORE INFO

Unit Price (US$):

0.404

Country of Origin:

PHILIPPINES

M95256-RDW6TP Available at 1 distributors

Distributor availability ofM95256-RDW6TP

Distributor Name
Region Stock Min. Order Third party link
Farnell Element14 EUROPE 7524 1 Order Now

Distributor reported inventory date: 2020-12-01

Distributor Name

Farnell Element14

Stock

7524

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-12-01

Active
EAR99 NEC Tape And Reel TSSOP8 -40 85 - 0.3465 / 1k
MORE INFO

Unit Price (US$):

0.3465

Country of Origin:

CHINA

M95256-RMN6TP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3342 / 1k

Distributor availability ofM95256-RMN6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1724 1 Order Now
COMPEL EUROPE 1004 1 Order Now
AVNET AMERICA 5000 0 Order Now
ARROW EUROPE 77500 0 Order Now
MOUSER WORLDWIDE 9060 1 Order Now
RUTRONIK EUROPE 2500 2500 Order Now

Distributor reported inventory date: 2020-12-01

Distributor Name

DIGIKEY

Stock

1724

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

1004

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

77500

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

9060

Min.Order

1

Region

WORLDWIDE Order Now

RUTRONIK

Stock

2500

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2020-12-01

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO8

Operating Temperature (°C)

(min)

-40

(max)

85

Replacement Product

-

Budgetary Price (US$)* / Qty

0.3342 / 1k

Country of Origin

PHILIPPINES

M95256-RMC6TG

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.404 / 1k

Distributor availability ofM95256-RMC6TG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6655 1 Order Now
MOUSER WORLDWIDE 11019 1 Order Now

Distributor reported inventory date: 2020-12-01

Distributor Name

DIGIKEY

Stock

6655

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

11019

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-12-01

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

UFDFPN8

Operating Temperature (°C)

(min)

-40

(max)

85

Replacement Product

-

Budgetary Price (US$)* / Qty

0.404 / 1k

Country of Origin

PHILIPPINES

M95256-RDW6TP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3465 / 1k

Distributor availability ofM95256-RDW6TP

Distributor Name
Region Stock Min. Order Third party link
Farnell Element14 EUROPE 7524 1 Order Now

Distributor reported inventory date: 2020-12-01

Distributor Name

Farnell Element14

Stock

7524

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-12-01

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

TSSOP8

Operating Temperature (°C)

(min)

-40

(max)

85

Replacement Product

-

Budgetary Price (US$)* / Qty

0.3465 / 1k

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