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Product overview

Description

The M24C32S-FCU is a 32-Kbit I2C-compatible EEPROM (Electrically Erasable PROgrammable Memory) organized as 4 K × 8 bits. The M24C32S-FCU can operate with a supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of -40 °C/+85 °C.
The M24C32S-FCU is delivered in a 4-ball WLCSP package.

All features
Compatible with the 400 kHz I²C protocol

High speed 1MHz transfer rate

Memory array:

32 Kbit (4 Kbyte) of EEPROM

Page size: 32 byte

Supply voltage range:

1.7 V to 5.5 V

Operating temperature range

-40°C / +85°C

Write

Byte Write within 5 ms

Page Write within 5 ms
Random and sequential Read modes

Software Write protect

Upper quarter memory array

Upper half memory array

Upper 3/4 memory array

Whole memory array

ESD protection

Human Body Model: 4 kV

More than 4 million Write cycles

More than 200-years data retention

Package

WLCSP, RoHS and Halogen free compliant (ECOPACK2^®)
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All tools & software

Finders Apps

Part number	Status	Description	Type	Supplier
ST EEPROM Finder	Active	Serial EEPROMs product finder for Android and iOS	Finders Apps	ST	ST EEPROM Finder Description: Serial EEPROMs product finder for Android and iOS

Product Evaluation Tools

Part number	Status	Description	Type	Supplier
X-NUCLEO-EEPRMA2	Active	Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx series for STM32 Nucleo	STM32 Nucleo expansion boards	ST	X-NUCLEO-EEPRMA2 Description: Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx series for STM32 Nucleo

All resources

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	Resource title		Latest update

Product Specifications (1)

	Resource title		Latest update
PDF	DS10365 32-Kbit serial I²C bus EEPROM 4 balls CSP 6.0		01 Jul 2016	01 Jul 2016 DS10365 32-Kbit serial I²C bus EEPROM 4 balls CSP 6.0

Application Notes (1)

	Resource title		Latest update
PDF	AN2014 How a designer can make the most of STMicroelectronics Serial EEPROMs 10.1		02 May 2019	02 May 2019 AN2014 How a designer can make the most of STMicroelectronics Serial EEPROMs 10.1

Technical Notes & Articles (1)

	Resource title		Latest update
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

Errata Sheets (1)

	Resource title		Latest update
PDF	ES0361 M24C32S-FCU package mechanical data modifications 1.0		01 Jul 2016	01 Jul 2016 ES0361 M24C32S-FCU package mechanical data modifications 1.0

Presentations (3)

	Resource title	Latest update
PDF	EEPROM in WLCSP July 2016 1.4	28 Aug 2018	28 Aug 2018 EEPROM in WLCSP July 2016 1.4
PDF	I²C EEPROM solution in DFN5 package 1.0	10 Nov 2020	10 Nov 2020 I²C EEPROM solution in DFN5 package 1.0
PDF	Standard Serial EEPROM presentation 1.0	16 Dec 2019	16 Dec 2019 Standard Serial EEPROM presentation 1.0

Flyers (2)

	Resource title		Latest update
PDF	EEPROM in Ultra-small packages 1.0		26 Feb 2020	26 Feb 2020 EEPROM in Ultra-small packages 1.0
PDF	Serial EEPROM 1.0		26 Mar 2021	26 Mar 2021 Serial EEPROM 1.0

Selection Guides (1)

	Resource title		Latest update
PDF	Serial EEPROM Standard & SPDV1.0 1.0		18 Dec 2020	18 Dec 2020 Serial EEPROM Standard & SPDV1.0 1.0

Brochures (4)

	Resource title	Latest update
PDF	Products and solutions for solar energy 1.0	15 Jun 2018	15 Jun 2018 Products and solutions for solar energy 1.0
PDF	Semiconductor solutions for healthcare applications 1.0	19 Sep 2019	19 Sep 2019 Semiconductor solutions for healthcare applications 1.0
PDF	Smart grid distribution and smart meters - Energy-efficient solutions 2.0	15 Jun 2018	15 Jun 2018 Smart grid distribution and smart meters - Energy-efficient solutions 2.0
PDF	Software guide to switch from M24C32S-FCU to M24128X-FCU 1.0	10 Nov 2020	10 Nov 2020 Software guide to switch from M24C32S-FCU to M24128X-FCU 1.0

EDA Symbols, Footprints and 3D Models

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	Resource title		Latest update

HW Models (1)

	Resource title		Latest update
7Z	3D model EEPROM all packages rev2 1.0		15 Jan 2021	15 Jan 2021 3D model EEPROM all packages rev2 1.0

IBIS models (3)

	Resource title	Latest update
ZIP	IBIS models I2C M24xxx Standard EEPROM (-40°C to 85°C) 1.0	25 Jan 2021	25 Jan 2021 IBIS models I2C M24xxx Standard EEPROM (-40°C to 85°C) 1.0
ZIP	IBIS models I2C M24xxx-FCU 4balls WLCSP 1.0	25 Jan 2021	25 Jan 2021 IBIS models I2C M24xxx-FCU 4balls WLCSP 1.0
ZIP	IBIS models SPI M95xxx Standard EEPROM (-40°C to 85°C) 1.0	25 Jan 2021	25 Jan 2021 IBIS models SPI M95xxx Standard EEPROM (-40°C to 85°C) 1.0

Verilog models (2)

	Resource title		Latest update
ZIP	Verilog models I2C EEPROM M24xxx 1.0		28 Jan 2021	28 Jan 2021 Verilog models I2C EEPROM M24xxx 1.0
ZIP	Verilog models SPI EEPROM M95xxx 1.0		28 Jan 2021	28 Jan 2021 Verilog models SPI EEPROM M95xxx 1.0

Quality and Reliability

Part Number	Marketing Status	Package	Grade	RoHS Compliance Grade	Material Declaration**
M24C32S-FCU6T/T	NRND	WLCSP ULTRA-THIN	Industrial	Ecopack2	PDF XML
M24C32S-FCU6T/TF	NRND	WLCSP ULTRA-THIN	Industrial	Ecopack2	PDF XML

M24C32S-FCU6T/T

Package:

WLCSP ULTRA-THIN

Material Declaration**:

PDF XML

More Info

M24C32S-FCU6T/TF

Package:

WLCSP ULTRA-THIN

Material Declaration**:

PDF XML

More Info

(**) 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

Part Number	Order from Distributors	Order from ST	Marketing Status	ECCN (US)	ECCN (EU)	Packing Type	Package	Temperature (°C)		Replacement Product	Country of Origin	Budgetary Price (US$)*/Qty	More info
Part Number	Order from Distributors	Order from ST	Marketing Status	ECCN (US)	ECCN (EU)	Packing Type	Package	min	max	Replacement Product	Country of Origin	Budgetary Price (US$)*/Qty	More info
M24C32S-FCU6T/T	No availability of distributors reported, please contact our sales office		NRND	EAR99	NEC	Tape And Reel	WLCSP ULTRA-THIN	-40	85	-	SINGAPORE	0.1632 / 1k	MORE INFO Unit Price (US$): 0.1632 Country of Origin: SINGAPORE
M24C32S-FCU6T/TF	No availability of distributors reported, please contact our sales office		NRND	EAR99	NEC	Tape And Reel	WLCSP ULTRA-THIN	-40	85	-	SINGAPORE	0.1632 / 1k	MORE INFO Unit Price (US$): 0.1632 Country of Origin: SINGAPORE

M24C32S-FCU6T/T

Marketing Status

NRND

ECCN (US)

EAR99

More Info

Budgetary Price (US$)*/Qty

0.1632 / 1k

M24C32S-FCU6T/TF

Marketing Status

NRND

ECCN (US)

EAR99

More Info

Budgetary Price (US$)*/Qty

0.1632 / 1k

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors