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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-W

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

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Footprints

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3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M95256-WDW6TP
Active
TSSOP8 Industrial Ecopack2
M95256-WMN6TP
Active
SO8 Industrial Ecopack2

M95256-WDW6TP

Package:

TSSOP8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256-WMN6TP

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-WMN6TP Available at 10 distributors

Distributor availability ofM95256-WMN6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 13654 1 Order Now
COMPEL EUROPE 11256 1 Order Now
RS COMPONENTS EUROPE 3774 5 Order Now
AVNET AMERICA 157500 0 Order Now
FUTURE WORLDWIDE 178499 1 Order Now
ARROW EUROPE 12500 0 Order Now
ARROW AMERICA 25000 2500 Order Now
P&S ASIA/PACIFIC 2036 1 Order Now
MOUSER WORLDWIDE 4722 1 Order Now
Farnell Element14 EUROPE 1095 1 Order Now

Distributor reported inventory date: 2020-11-30

Distributor Name

DIGIKEY

Stock

13654

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

11256

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

3774

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

157500

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

178499

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

12500

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

25000

Min.Order

2500

Region

AMERICA Order Now

P&S

Stock

2036

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

4722

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1095

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-30

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-WDW6TP Available at 4 distributors

Distributor availability ofM95256-WDW6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 24 1 Order Now
AVNET AMERICA 4000 0 Order Now
MOUSER WORLDWIDE 4858 1 Order Now
Farnell Element14 EUROPE 1222 1 Order Now

Distributor reported inventory date: 2020-11-30

Distributor Name

DIGIKEY

Stock

24

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

4000

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

4858

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1222

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-30

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

Unit Price (US$):

0.3465

Country of Origin:

CHINA

M95256-WMN6TP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3342 / 1k

Distributor availability ofM95256-WMN6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 13654 1 Order Now
COMPEL EUROPE 11256 1 Order Now
RS COMPONENTS EUROPE 3774 5 Order Now
AVNET AMERICA 157500 0 Order Now
FUTURE WORLDWIDE 178499 1 Order Now
ARROW EUROPE 12500 0 Order Now
ARROW AMERICA 25000 2500 Order Now
P&S ASIA/PACIFIC 2036 1 Order Now
MOUSER WORLDWIDE 4722 1 Order Now
Farnell Element14 EUROPE 1095 1 Order Now

Distributor reported inventory date: 2020-11-30

Distributor Name

DIGIKEY

Stock

13654

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

11256

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

3774

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

157500

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

178499

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

12500

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

25000

Min.Order

2500

Region

AMERICA Order Now

P&S

Stock

2036

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

4722

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1095

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-30

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-WDW6TP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3465 / 1k

Distributor availability ofM95256-WDW6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 24 1 Order Now
AVNET AMERICA 4000 0 Order Now
MOUSER WORLDWIDE 4858 1 Order Now
Farnell Element14 EUROPE 1222 1 Order Now

Distributor reported inventory date: 2020-11-30

Distributor Name

DIGIKEY

Stock

24

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

4000

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

4858

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1222

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-30

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