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M95040-DWDW4TP/K - STMicroelectronics

Description: Automotive 4-Kbit serial SPI bus EEPROMs with high-speed clock

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M95040-DWDW4TP/K - STMicroelectronics - PCB symbol
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M95040-DWDW4TP/K - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP8 – 3x4.4 mm, 0.65 mm pitch, 8-lead thin shrink small outline
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M95040-DWDW4TP/K - STMicroelectronics - 3D model - Small Outline Packages - TSSOP8 – 3x4.4 mm, 0.65 mm pitch, 8-lead thin shrink small outline
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M95040-DWDW4TP/K Details

  • Manufacturer Part Number:

    M95040-DWDW4TP/K

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 4.40 MM, 0.65 MM PITCH, ANTIMONY AND HALOGEN FREE, ROHS COMPLIANT, TSSOP-8

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    15

  • Clock Frequency-Max (fCLK):

    10 MHz

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.4 mm

  • Memory Density:

    4096 bit

  • Memory IC Type:

    EEPROM

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Number of Words:

    512 words

  • Number of Words Code:

    512

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    145 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    512X8

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Parallel/Serial:

    SERIAL

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.2 mm

  • Serial Bus Type:

    SPI

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

  • Write Cycle Time-Max (tWC):

    4 ms

M95040-DWDW4TP/K Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the M95040-DWDW4TP/K is -40°C to 85°C, as specified in the datasheet. However, it's essential to note that the device can tolerate a wider temperature range during storage, typically from -55°C to 125°C.
  • To ensure proper power and decoupling, connect the VCC pin to a stable 3.3V power supply, and decouple the power lines with 10nF to 100nF capacitors. Additionally, use a 10kΩ to 100kΩ pull-up resistor on the SCL line to prevent bus contention.
  • The M95040-DWDW4TP/K supports clock frequencies up to 400 kHz in standard mode and up to 1 MHz in fast mode. However, it's recommended to consult the datasheet for specific clock frequency limitations based on the operating voltage and temperature.
  • To handle bus contention and arbitration, implement a bus arbitration mechanism, such as a priority-based system, to ensure that only one master device can access the bus at a time. Additionally, use a bus buffer or repeater to improve signal integrity and reduce the risk of bus contention.
  • To minimize noise and EMI, follow good PCB design practices, such as keeping the I2C bus lines short and away from noise sources, using a solid ground plane, and adding decoupling capacitors close to the device. Additionally, consider using a shielded cable or twisted pair for the I2C bus lines.

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M95040-DWDW4TP/K Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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