M24256X-F

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256-Kbit serial I2C bus EEPROM

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Product overview

Description

The M24256X-F is a 256-Kbit I2C-compatible EEPROM (electrically erasable programmable memory) organized as 32 K × 8 bits.

The M24256X-F can operate with a supply voltage from 1.65 V to 3.6 V, with a clock frequency up to 1 MHz, over an ambient temperature range from -40 °C to +85 °C. It can also operate down to 1.6 V, under some restricting conditions.

The M24256X-F offers three additional features, namely a 64-byte page, named identification page, which can be used to store sensitive application parameters that can be (later) permanently locked in read-only mode, a first 8-bit register, named configurable device address (CDA) register, authorizing the user, through software, to configure up to eight possibilities of chip enable address, and a second 8-bit register, named software write protection (SWP) register, authorizing the user, through software, to write protect a part or the full memory array.

  • All features

    • Compatible with following I2C bus modes:
      • 1 MHz (Fast-mode Plus)
      • 400 kHz (Fast-mode)
      • 100 kHz (Standard-mode)
    • Memory array:
      • 256 Kbit (32 Kbytes) of EEPROM
      • Page size: 64 bytes
      • Additional identification page
    • Configurable device address register
    • Software write protection register
    • Single supply voltage: 1.6 to 3.6 V
    • Operating temperature range: -40 °C up to +85 °C
    • Write cycle time:
      • Byte write within 5 ms
      • Page write within 5 ms
    • Random and sequential read modes
    • Enhanced ESD / latch-up protection
    • More than 4 million write cycles
    • More than 200-year data retention
    • Package
      • WLCSP 4-ball (ECOPACK2)
      • Unsawn wafer (each die is tested)

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STMicroelectronics - M24256X-F

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
M24256X-FCU6T/VF
Active
WLCSP ULTRA-THIN Industrial Ecopack2

M24256X-FCU6T/VF

Package:

WLCSP ULTRA-THIN

Material Declaration**:

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Marketing Status

Active

Package

WLCSP ULTRA-THIN

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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(*) 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