M24256-BF

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製品概要

概要

The M24256 is a 256-Kbit I²C-compatible EEPROM (electrically erasable programmable memory) organized as 32 K × 8 bits.

The M24256-BW can operate with a supply voltage from 2.5 V to 5.5 V, the M24256-BR AND M24256-DR can operate with a supply voltage from 1.8 V to 5.5 V, and the M24256-BF and M24256-DF can operate with a supply voltage from 1.7 V to 5.5 V. All these devices operate with a clock frequency of 1 MHz (or less), over an ambient temperature range of –40 °C / +85 °C. The M24256-D offers an additional page, named the identification page (64 byte). The identification page can be used to store sensitive application parameters which can be (later) permanently locked in read-only mode.

特徴
パッケージ

Compatible with following I²C bus modes:
1 MHz
400 kHz
100 kHz

Memory array:
256 Kbit (32 Kbyte) of EEPROM
Page size: 64 byte
Additional write lockable page (M24256-D order codes)

Single supply voltage and high speed:
1 MHz clock from 1.7 V to 5.5 V

Write:
Byte write within 5 ms
Page write within 5 ms

Operating temperature range:
from -40 °C up to +85 °C

Random and sequential read modes

Write protect of the whole memory array

Enhanced ESD/latch-Up protection

More than 4 million write cycles

More than 200-years data retention

RoHS-compliant and Halogen-free (ECOPACK2)

SO8 ECOPACK2

TSSOP8 ECOPACK2

UFDFPN8 ECOPACK2

WLCSP ECOPACK2

Unsawn wafer (each die is tested)
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すべてのリソース

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製品スペック (1)

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PDF	DS1766 256-Kbit serial I²C bus EEPROM	35.0	27 Nov 2020	27 Nov 2020 DS1766 256-Kbit serial I²C bus EEPROM 35.0

アプリケーションノート (4)

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PDF	AN4653 Cycling endurance and data retention of high density EEPROM based on CMOS F8H process	1.0	01 Apr 2025	01 Apr 2025 AN4653 Cycling endurance and data retention of high density EEPROM based on CMOS F8H process 1.0
PDF	AN2014 How to best use STMicroelectronics serial EEPROMs	11.0	01 Oct 2024	01 Oct 2024 AN2014 How to best use STMicroelectronics serial EEPROMs 11.0
PDF	AN971 I2C communication between ST7 and M24CXX EEPROM	1.7	01 Jan 2022	01 Jan 2022 AN971 I2C communication between ST7 and M24CXX EEPROM 1.7
PDF	AN1471 What happens to the M24xxx I²C EEPROM if the I²C bus communication is stopped?	4.6	01 Apr 2025	01 Apr 2025 AN1471 What happens to the M24xxx I²C EEPROM if the I²C bus communication is stopped? 4.6

テクニカル･ノート & 技術解説 (2)

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PDF	TN1171 Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use	3.0	01 Dec 2014	01 Dec 2014 TN1171 Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use 3.0
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セレクションガイド (1)

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PDF	シリアルEEPROM標準 & SPDシリーズ	1.1	13 Jul 2022	13 Jul 2022 シリアルEEPROM標準 & SPDシリーズ 1.1

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IBIS models (1)

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ZIP	IBIS models I2C M24xxx Standard EEPROM	1.1	25 Jan 2021	25 Jan 2021 IBIS models I2C M24xxx Standard EEPROM 1.1

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品質 & 信頼性

製品型番	マーケティング･ステータス	パッケージ	グレード	RoHSコンプライアンスグレード	Longevity Commitment	Longevity Starting Date	材料宣誓書**
M24256-BFDW6TP	NRND	TSSOP-8L	インダストリアル	Ecopack2	10	2024-01-01T00:00:00.000+01:00	PDF XML
M24256-BFMC6TG	NRND	UFDFPN8	インダストリアル	Ecopack2	10	2024-01-01T00:00:00.000+01:00	PDF XML
M24256BFKW20I/90	量産中	WAFER	インダストリアル	N/A	10	2024-01-01T00:00:00.000+01:00	PDF XML