M24256X-F-256-Kbit serial I2C bus EEPROM

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产品概述

描述

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 of 1 MHz (or less), over an ambient temperature range of -40 °C/+85 °C. It can also operate down to 1.6 V, under some restricting conditions.

Moreover the M24256X-F offers three features.

An additional page of 64 bytes, named identification page; it can be used to store sensitive application parameters which can be (later) permanently locked in read-only mode.

A first additional 8-bit register, named the configurable device address (CDA) register authorizing the user, through software, to configure up to eight possibilities of chip enable address.

A second additional 8-bit register, named the software write protection (SWP) register authorizing the user, through software, to write protect partial or full memory array.

所有功能

• 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 V 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
• 封装
  • WLCSP 4-ball (ECOPACK2)
  • Unsawn wafer (each die is tested)