M24C32-W:32 Kbit serial I2C bus EEPROM

The M24C32 is a 32-Kbit I2C-compatible EEPROM (Electrically Erasable PROgrammable Memory) organized as 4 K × 8 bits.

The M24C32-W can operate with a supply voltage from 2.5 V to 5.5 V, the M24C32-R can operate with a supply voltage from 1.8 V to 5.5 V, and the M24C32-F and M24C32-DF can operate with a supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of -40 °C / +85 °C; while the M24C32-X can operate with a supply voltage from 1.6 V to 5.5 V over an ambient temperature range of -20 °C / +85 °C.

The M24C32-D offers an additional page, named the Identification Page (32 byte). The Identification Page can be used to store sensitive application parameters which can be (later) permanently locked in Read-only mode.

Key Features

  • Compatible with all I2 C bus modes:
    • 1 MHz
    • 400 kHz
    • 100 kHz
  • Memory array:
    • 32 Kbit (4 Kbyte) of EEPROM
    • Page size: 32 byte
    • Additional Write lockable page (M24C32-D order codes)
  • Single supply voltage:
    • 1.7 V to 5.5 V over –40 °C / +85 °C
    • 1.6 V to 5.5 V over –20 °C / +85 °C
  • Write:
    • Byte Write within 5 ms
    • Page Write within 5 ms
  • 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
  • Packages
    • PDIP8 ECOPACK1®
    • SO8 ECOPACK2®
    • TSSOP8 ECOPACK2®
    • UFDFPN8 ECOPACK2®
    • UFDFPN5 ECOPACK2®
    • WLCSP ECOPACK2®
    • Unsawn wafer (each die is tested)
Product Specifications
DescriptionVersionSize
DS0952: 32-Kbit serial I²C bus EEPROM28.0833 KB
Application Notes
DescriptionVersionSize
AN971: I2C communication between ST7 and M24CXX EEPROM1.668 KB
AN1782: STR71x I2C communication with M24Cxx EEPROM2.454 KB
AN1471: What happens to the M24xxx I²C EEPROM if the I²C bus communication is stopped?4.373 KB
Technical Notes & Articles
DescriptionVersionSize
TN1171: Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use3.0574 KB
HW Model & CAD Libraries
DescriptionVersionSize
IBIS model I2C M24xxx Standard EEPROM (-40 degC to 85 degC)4.05 MB
IBIS model SPI M95xxx Standard EEPROM (-40 degC to 85 degC)5.04 MB
Verilog model I2C EEPROM M24XXX2.018 KB
Verilog model SPI EEPROM M95XXX2.162 KB
Presentations
DescriptionVersionSize
EEPROM general presentation1.0627 KB
EEPROM in UFDFPN51.0527 KB
EEPROM in WLCSP July 20161.4281 KB
Flyers
DescriptionVersionSize
EEPROMs in miniature packages1.02 MB
Serial EEPROM1.01 MB
Selection Guides
DescriptionVersionSize
EEPROM selection guide1.0780 KB
Brochures
DescriptionVersionSize
Products and solutions for solar energy1.01 MB
Semiconductor solutions for healthcare applications1.0665 KB
Smart grid distribution and smart meters - Energy-efficient solutions2.01 MB
Sample & Buy
Part NumberReplacement ProductPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
M24C32-WMN6TPM24C32-RMN6TPSO8Tape And Reel-40850.1431000NECEAR99CHINA
M24C32-WDW6TPM24C32-RDW6TPTSSOP8Tape And Reel-40850.171000NECEAR99CHINA
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
M24C32-WMN6TPSO8IndustrialEcopack2pho7_24321ta_signed.pdf
pho7_24321ta.xml
M24C32-WDW6TPTSSOP8IndustrialEcopack2pt6p_24321ta_signed.pdf
pt6p_24321ta.xml
32-Kbit serial I²C bus EEPROM M24C32-R
circuit_diagram_4578_thumbnail.png M24C32-R
I2C communication between ST7 and M24CXX EEPROM STSW-ST7098
STR71x I2C communication with M24Cxx EEPROM STR711FR0
What happens to the M24xxx I²C EEPROM if the I²C bus communication is stopped? M24128-A125
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M24128-A125
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M24C64-R
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M24128-A125
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M24128-A125
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
Description of UFDFPN5, UFDFPN8 and WFDFPN8 for STMicroelectronics EEPROMs and recommendations for use M95080-DRE
STM8L101xx device limitations STM8L101G3
STEVAL-ISA062V1: 6 W, wide-range dual and single output SMPS demonstration board based on the VIPer17 STEVAL-ISA062V1
pho7_24321ta_signed.pdf M24C32-R
pho7_24321ta.xml M24C32-R
pt6p_24321ta_signed.pdf M24C32-R
pt6p_24321ta.xml M24C32-R