Overview
The M24C32-DRDW3TP/K, produced by STMicroelectronics, is an automotive-grade 32-Kbit serial EEPROM device. It operates up to 125 °C and is compliant with the high reliability standards defined by the AEC-Q100 grade 1 automotive specification. This device is accessed through a simple serial I²C compatible interface that can run up to 1 MHz. The memory array is based on advanced true EEPROM technology, ensuring high data integrity with embedded error correction code logic.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Size | 32 Kbit (4 Kbyte) | |
| Page Size | 32 bytes | |
| Interface | I²C compatible | |
| Clock Frequency | Up to 1 MHz | |
| Operating Temperature | -40 °C to 125 °C | |
| Write Cycle Endurance | 4,000,000 cycles at 25 °C, 1,200,000 cycles at 85 °C | |
| Data Retention | 50 years at 125 °C | |
| Package Options | SO8N, WFDFPN8 (DFN8), TSSOP8 |
Key Features
- Byte-alterable memory organized as 128 pages of 32 bytes each.
- Embedded error correction code logic for improved data integrity.
- An additional identification page (32 bytes) for device identification and application-specific data, which can be permanently locked in read-only mode.
- Support for up to eight devices on a single I²C bus with unique chip enable addresses.
- Power-on-reset (POR) circuit to prevent inadvertent write operations during power-up.
- High reliability certified flow (HRCF) and ECOPACK packages for environmental compliance.
Applications
- Automotive systems requiring high reliability and temperature stability.
- Industrial control systems where data integrity and endurance are critical.
- Consumer electronics needing robust and reliable non-volatile memory solutions.
- Medical devices that require stable and secure data storage.
Q & A
- What is the maximum operating temperature of the M24C32-DRDW3TP/K?
The maximum operating temperature is 125 °C.
- What is the clock frequency of the I²C interface?
The clock frequency can be up to 1 MHz.
- How many devices can be connected on a single I²C bus?
Up to eight devices can be connected on a single I²C bus.
- What is the write cycle endurance of the device?
The device can endure 4,000,000 write cycles at 25 °C and 1,200,000 write cycles at 85 °C.
- How long does the data retention last?
The data retention is 50 years at 125 °C.
- What types of packages are available for this device?
The device is available in SO8N, WFDFPN8 (DFN8), and TSSOP8 packages.
- Does the device have any power-on-reset feature?
- Can the identification page be permanently locked?
- What is the purpose of the error correction code logic?
The error correction code logic is implemented to improve data integrity by correcting errors within groups of four EEPROM bytes.
- Is the device compliant with any automotive standards?
