Overview
The M24C32-WMN6P is a 32-Kbit I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) produced by STMicroelectronics. This device is organized as 4 K × 8 bits and is designed to operate within a wide range of supply voltages and temperatures. The M24C32-WMN6P is part of the M24C32 series, which offers various voltage and temperature options, making it versatile for different applications.
The device supports the I²C protocol with compatibility for fast mode plus (1 MHz), fast mode (400 kHz), and standard mode (100 kHz). It features enhanced ESD/latch-up protection, more than 4 million write cycles, and over 200 years of data retention, ensuring reliability and durability.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Size | 32 Kbit (4 Kbyte) |
| Memory Interface | I²C |
| Page Size | 32 bytes |
| Supply Voltage | 2.5 V to 5.5 V |
| Operating Temperature Range | -40 °C to +85 °C |
| Write Cycle Time | Byte and page write within 5 ms (3.2 ms typical) |
| Clock Frequency | Up to 1 MHz |
| Package Options | SO8N, TSSOP8, UFDFPN8, UFDFPN5 (ECOPACK2), WLCSP4 4-ball |
| Data Retention | More than 200 years |
| Write Cycles | More than 4 million |
Key Features
- I²C Interface: Compatible with fast mode plus (1 MHz), fast mode (400 kHz), and standard mode (100 kHz).
- Memory Organization: 32 Kbit of EEPROM organized as 4 K × 8 bits.
- Additional Identification Page: For M24C32-D models, an additional 32-byte identification page can be used to store sensitive application parameters and can be permanently locked in read-only mode.
- Write Protection: Hardware write protection of the whole memory array.
- Read Modes: Supports random and sequential read modes.
- ESD/Latch-up Protection: Enhanced protection against electrostatic discharge and latch-up.
- Power-on Reset: Includes a power-on reset circuit to prevent inadvertent write operations during power-up.
Applications
The M24C32-WMN6P is suitable for a wide range of applications where non-volatile memory is required, such as:
- Consumer electronics: TVs, set-top boxes, audio equipment.
- Industrial control systems: Automation, sensors, and actuators.
- Automotive systems: Configuration data storage, parameter settings.
- Medical devices: Configuration and calibration data storage.
- IoT devices: Configuration and data storage in Internet of Things applications.
Q & A
- What is the memory size of the M24C32-WMN6P?
The M24C32-WMN6P has a memory size of 32 Kbit (4 Kbyte), organized as 4 K × 8 bits.
- What are the supported I²C bus modes?
The device supports I²C bus modes including fast mode plus (1 MHz), fast mode (400 kHz), and standard mode (100 kHz).
- What is the operating temperature range of the M24C32-WMN6P?
The operating temperature range is from -40 °C to +85 °C.
- How long does it take to write a byte or page?
The byte and page write cycle time is within 5 ms (3.2 ms typical).
- What is the data retention period of the M24C32-WMN6P?
The data retention period is more than 200 years.
- How many write cycles can the M24C32-WMN6P endure?
The device can endure more than 4 million write cycles.
- Does the M24C32-WMN6P have any additional memory pages?
For M24C32-D models, there is an additional 32-byte identification page that can be used to store sensitive application parameters and can be permanently locked in read-only mode.
- What types of read modes are supported by the M24C32-WMN6P?
The device supports random and sequential read modes.
- What kind of protection does the M24C32-WMN6P have against electrostatic discharge?
The device has enhanced ESD/latch-up protection.
- What are the package options available for the M24C32-WMN6P?
The package options include SO8N, TSSOP8, UFDFPN8, UFDFPN5 (ECOPACK2), and WLCSP4 4-ball.
