Overview
The M24C32-DRMN3TP/K is a 32-Kbit serial EEPROM device manufactured by STMicroelectronics, designed to meet the stringent reliability requirements of the automotive industry. It is compliant with the AEC-Q100 grade 1 automotive standard, ensuring a very high level of reliability. This device operates up to 125 °C and 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, organized as 128 pages of 32 bytes each, with an embedded error correction code logic to enhance data integrity. An additional identification page is available for storing device identification and application-specific parameters, which can be permanently locked in read-only mode.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Size | 32 Kbit (4 Kbyte) |
| Interface Type | I²C |
| Operating Temperature | -40 °C to 125 °C |
| Supply Voltage | 1.7 V to 5.5 V |
| Page Size | 32 bytes |
| Write Cycle Endurance | 4 million cycles at 25 °C, 1.2 million cycles at 85 °C, 600 k cycles at 125 °C |
| Data Retention | 50 years at 125 °C, 100 years at 25 °C |
| ESD Protection | 4000 V (human body model) |
| Packages | SO8, TSSOP-8L, DFN8 (all RoHS compliant and halogen-free, ECOPACK2) |
Key Features
- AEC-Q100 qualified for automotive applications
- Compatible with all I²C bus modes (1 MHz, 400 kHz, 100 kHz)
- Advanced true EEPROM technology with embedded error correction code logic
- Additional write lockable identification page (32 bytes)
- Extended temperature and voltage ranges
- Schmitt trigger inputs for noise filtering
- Short write cycle time: byte write within 4 ms, page write within 4 ms
Applications
The M24C32-DRMN3TP/K is designed for use in various automotive applications where high reliability and data integrity are crucial. These include:
- Automotive control units
- Sensor calibration and configuration
- Parameter storage for automotive systems
- Other applications requiring high-temperature operation and robust data storage
Q & A
- What is the operating temperature range of the M24C32-DRMN3TP/K?
The operating temperature range is -40 °C to 125 °C.
- What is the memory size and organization of the M24C32-DRMN3TP/K?
The device has a 32-Kbit memory, organized as 128 pages of 32 bytes each.
- What interface does the M24C32-DRMN3TP/K use?
The device uses an I²C compatible interface.
- What is the write cycle endurance of the M24C32-DRMN3TP/K?
The write cycle endurance is 4 million cycles at 25 °C, 1.2 million cycles at 85 °C, and 600 k cycles at 125 °C.
- How long does the data retention last for the M24C32-DRMN3TP/K?
The data retention is 50 years at 125 °C and 100 years at 25 °C.
- What is the ESD protection level of the M24C32-DRMN3TP/K?
The device has an ESD protection level of 4000 V (human body model).
- What packages are available for the M24C32-DRMN3TP/K?
The device is available in SO8, TSSOP-8L, and DFN8 packages, all of which are RoHS compliant and halogen-free (ECOPACK2).
- Can the identification page be locked in read-only mode?
Yes, the identification page can be permanently locked in read-only mode after writing application-specific parameters.
- What is the purpose of the Schmitt trigger inputs on the M24C32-DRMN3TP/K?
The Schmitt trigger inputs are used for noise filtering.
- How long does a byte or page write operation take on the M24C32-DRMN3TP/K?
Both byte and page write operations take within 4 ms.
