M95640-DF

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64-Kbit SPI bus EEPROM with high-speed clock

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Product overview

Description

The M95640 devices are electrically erasable programmable memories (EEPROMs) organized as 8192 x 8 bits, accessed through the SPI bus.

The M95640-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95640-R can operate with a supply voltage from 1.8 V to 5.5 V and the M95640-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.

The M95640-D offers an additional page, named the identification page (32 bytes). The identification page can be used to store sensitive application parameters which can be (later) permanently locked in read-only mode.

The SPI bus signals are C, D and Q. The device is selected when chip select (S) is driven low. Communications with the device can be interrupted when the HOLD is driven low.

  • All features

    • SPI interface
      • Compatible with the serial peripheral interface (SPI) bus
    • Memory
      • 64 Kb (8 Kbytes) of EEPROM
      • Page size: 32 bytes
      • Additional write lockable page (identification page)
    • Supply management
      • Wide single supply voltage:
        • 2.5 V to 5.5 V for M95640-W
        • 1.8 V to 5.5 V for M95640-R
        • 1.7 V to 5.5 V for M95640-DF
    • Temperature
      • Operating temperature range: from -40 °C up to +85 °C
    • Fast write cycle time
      • Byte and page write within 5 ms
    • High speed clock frequency
      • Clock up to 20 MHz
    • Performance
      • Enhanced ESD protection
      • More than 4 million write cycles
      • More than 200-year data retention
    • Advanced features
      • Write protect: quarter, half or whole memory array
    • Package
      • SO8 (ECOPACK2)
      • TSSOP8 (ECOPACK2)
      • UFDFPN8 (ECOPACK2)
      • WLCSP (ECOPACK2)

EDA Symbols, Footprints and 3D Models

STMicroelectronics - M95640-DF

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M95640-DFCT6TP/K
Active
WLCSP Industrial Ecopack2
M95640-DFDW6TP
Active
TSSOP-8L Industrial Ecopack2
M95640-DFMC6TG
Active
UFDFPN8 Industrial Ecopack2
M95640-DFMN6TP
Active
SO8 Industrial Ecopack2

M95640-DFCT6TP/K

Package:

WLCSP

Material Declaration**:

PDF XML

Marketing Status

Active

Package

WLCSP

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95640-DFDW6TP

Package:

TSSOP-8L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP-8L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95640-DFMC6TG

Package:

UFDFPN8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

M95640-DFMN6TP

Package:

SO8

Material Declaration**:

PDF XML

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.

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Part Number:

M95640-DFMN6TP

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3

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M95640-DFDW6TP Active

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-
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ECCN (EU):

Part Number:

M95640-DFDW6TP

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-

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-

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M95640-DFMC6TG Active

Budgetary Price (US$)*/Qty:
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ECCN (US):
ECCN (EU):

Part Number:

M95640-DFMC6TG

Operating Temperature (°C)

Min:

Max:

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-

ESample Max Qty:

-

Replacement Product:

-

Distributor Name

Distributor reported inventory date:

M95640-DFCT6TP/K Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

M95640-DFCT6TP/K

Operating Temperature (°C)

Min:

Max:

Free Samples:

-

ESample Max Qty:

-

Replacement Product:

-

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