M95040-A145

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Automotive 4-Kbit SPI bus EEPROM with high-speed clock

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Product overview

Description

The M95040-A125 and M95040-A145 are 4-Kbit serial EEPROM Automotive grade devices operating up to 145°C. They are compliant with the very high level of reliability defined by the Automotive standard AEC-Q100 grade 0.

The devices are accessed by a simple serial SPI compatible interface running up to 20 MHz.

The memory array is based on advanced true EEPROM technology (Electrically Erasable PROgrammable Memory). The M95040-A125 and M95040-A145 are byte-alterable memories (512 × 8 bits) organized as 32 pages of 16 byte in which the data integrity is significantly improved with an embedded Error Correction Code logic.

The M95040-A125 and M95040-A145 offer an additional Identification Page (16 byte) in which the ST device identification can be read. This page can also be used to store sensitive application parameters which can be later permanently locked in read-only mode.

  • All features

    • Compatible with the Serial Peripheral Interface (SPI) bus
    • Memory array
      • 4 Kbit (512 byte) of EEPROM
      • Page size: 16 byte
      • Write protection by block: 1/4, 1/2 or whole memory
      • Additional Write lockable Page (Identification page)
    • Extended temperature and voltage ranges
      • Up to 125 °C (VCCfrom 1.7 V to 5.5 V)
      • Up to 145 °C (VCCfrom 2.5 V to 5.5 V)
    • High speed clock frequency
      • 20 MHz for VCC ≥ 4.5 V
      • 10 MHz for VCC≥ 2.5 V
      • 5 MHz for VCC≥ 1.7 V
    • Schmitt trigger inputs for noise filtering
    • Short Write cycle time
      • Byte Write within 4 ms
      • Page Write within 4 ms
    • Write cycle endurance
      • 4 million Write cycles at 25 °C
      • 1.2 million Write cycles at 85 °C
      • 600 k Write cycles at 125 °C
      • 400 k Write cycles at 145 °C
    • Data retention
      • 50 years at 125 °C
      • 100 years at 25 °C
    • ESD Protection (Human Body Model)
      • 4000 V
    • Packages
      • RoHS-compliant and halogen-free (ECOPACK2®)

EDA Symbols, Footprints and 3D Models

STMicroelectronics - M95040-A145

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M95040-DWDW4TP/K
Active
TSSOP-8L Automotive Ecopack2

M95040-DWDW4TP/K

Package:

TSSOP-8L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP-8L

Grade

Automotive

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

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M95040-DWDW4TP/K
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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