Overview
Sample & Buy
Solutions
Documentation
CAD Resources
Tools & Software
Quality & Reliability
eDesignSuite
Get Started
Partner products
Sales Briefcase
  • 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®)

Recommended for you

All tools & software

    • 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-DF

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-DFCS6TP/K
Active
WLCSP Industrial Ecopack2
M95256-DFDW6TP
Active
TSSOP8 Industrial Ecopack2
M95256-DFMC6TG
Active
UFDFPN8 Industrial Ecopack2
M95256-DFMN6TP
Active
SO8 Industrial Ecopack2
M95256DFKW20I/90
Active
WAFER Industrial N/A

M95256-DFCS6TP/K

Package:

WLCSP

Material Declaration**:

PDF XML

Marketing Status

Active

Package

WLCSP

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256-DFDW6TP

Package:

TSSOP8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256-DFMC6TG

Package:

UFDFPN8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256-DFMN6TP

Package:

SO8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95256DFKW20I/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
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Replacement Product
Budgetary Price (US$)*/Qty
More info
min
max
M95256-DFCS6TP/K Available at 2 distributors

Distributor availability ofM95256-DFCS6TP/K

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1416 1 Order Now
MOUSER WORLDWIDE 2450 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

DIGIKEY

Stock

1416

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2450

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-28

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel WLCSP -40 85 - 0.4145 / 1k
MORE INFO

Unit Price (US$):

0.4145

Country of Origin:

SINGAPORE

M95256-DFMC6TG Available at 4 distributors

Distributor availability ofM95256-DFMC6TG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4996 1 Order Now
P&S ASIA/PACIFIC 375 1 Order Now
MOUSER WORLDWIDE 1662 1 Order Now
Farnell Element14 EUROPE 3814 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

DIGIKEY

Stock

4996

Min.Order

1

Region

WORLDWIDE Order Now

P&S

Stock

375

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

1662

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3814

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-10-28

Free Sample 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-DFMN6TP Available at 2 distributors

Distributor availability ofM95256-DFMN6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1062 1 Order Now
MOUSER WORLDWIDE 2500 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

DIGIKEY

Stock

1062

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2500

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-28

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

Unit Price (US$):

0.3342

Country of Origin:

CHINA

M95256-DFDW6TP Available at 1 distributors

Distributor availability ofM95256-DFDW6TP

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 3801 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

MOUSER

Stock

3801

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-28

Free Sample 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

M95256DFKW20I/90 No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Not Applicable WAFER -40 85 - 0.3287 / 1k
MORE INFO

Unit Price (US$):

0.3287

Country of Origin:

FRANCE

M95256-DFCS6TP/K

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.4145 / 1k

Distributor availability ofM95256-DFCS6TP/K

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1416 1 Order Now
MOUSER WORLDWIDE 2450 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

DIGIKEY

Stock

1416

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2450

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-28

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

WLCSP

Operating Temperature (°C)

(min)

-40

(max)

85

Replacement Product

-

Budgetary Price (US$)* / Qty

0.4145 / 1k

Country of Origin

SINGAPORE

M95256-DFMC6TG

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.404 / 1k

Distributor availability ofM95256-DFMC6TG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4996 1 Order Now
P&S ASIA/PACIFIC 375 1 Order Now
MOUSER WORLDWIDE 1662 1 Order Now
Farnell Element14 EUROPE 3814 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

DIGIKEY

Stock

4996

Min.Order

1

Region

WORLDWIDE Order Now

P&S

Stock

375

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

1662

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3814

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-10-28

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-DFMN6TP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3342 / 1k

Distributor availability ofM95256-DFMN6TP

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1062 1 Order Now
MOUSER WORLDWIDE 2500 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

DIGIKEY

Stock

1062

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2500

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-28

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

CHINA

M95256-DFDW6TP

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3465 / 1k

Distributor availability ofM95256-DFDW6TP

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 3801 1 Order Now

Distributor reported inventory date: 2020-10-28

Distributor Name

MOUSER

Stock

3801

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-28

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

M95256DFKW20I/90

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.3287 / 1k

ECCN (EU)

NEC

Packing Type

Not Applicable

Package

WAFER

Operating Temperature (°C)

(min)

-40

(max)

85

Replacement Product

-

Budgetary Price (US$)* / Qty

0.3287 / 1k

Country of Origin

FRANCE

(*) 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