Overview
The M24C32-DRMF3TG/K is an automotive-grade 32-Kbit serial EEPROM device produced by STMicroelectronics. This device operates up to 125 °C and is compliant with the high reliability standards defined by the automotive standard AEC-Q100 grade 1. It features a simple serial I²C compatible interface with a clock frequency of up to 1 MHz. The memory array is based on advanced true EEPROM technology, providing byte-alterable memory organized into 128 pages of 32 bytes each. The device also includes an additional identification page for storing device identification codes and application-specific parameters, which can be permanently locked in read-only mode.
Key Specifications
| Specification | Value |
|---|---|
| Memory Format | EEPROM |
| Memory Size | 32 Kbit (4K x 8 bits) |
| Memory Interface | I²C |
| Clock Frequency | Up to 1 MHz |
| Operating Temperature | Up to 125 °C |
| Write Cycle Endurance | 4 million cycles at 25 °C, 1.2 million cycles at 85 °C |
| Data Retention | 50 years at 125 °C |
| Package Options | TSSOP8, SO8N, WFDFPN8 (DFN8) |
Key Features
- Byte-alterable memory with 128 pages of 32 bytes each.
- Embedded error correction code (ECC) logic for improved data integrity.
- An additional 32-byte identification page 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.
- Low standby supply current.
Applications
The M24C32-DRMF3TG/K is designed for use in automotive and other high-reliability applications where data integrity and durability are critical. It is suitable for various automotive systems, including engine control units, transmission control units, and other electronic control modules. Additionally, it can be used in industrial and consumer electronics where robust and reliable non-volatile memory is required.
Q & A
- What is the memory size of the M24C32-DRMF3TG/K?
The memory size is 32 Kbit, organized as 4K x 8 bits.
- What is the maximum operating temperature of the M24C32-DRMF3TG/K?
The device can operate up to 125 °C.
- What interface does the M24C32-DRMF3TG/K use?
The device uses an I²C compatible interface.
- 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 purpose of the identification page in the M24C32-DRMF3TG/K?
The identification page is used to store the device identification code and application-specific parameters, which can be permanently locked in read-only mode.
- What is the write cycle endurance of the M24C32-DRMF3TG/K?
The device has a write cycle endurance of 4 million cycles at 25 °C and 1.2 million cycles at 85 °C.
- How long does the data retention last in the M24C32-DRMF3TG/K?
The data retention is 50 years at 125 °C.
- What package options are available for the M24C32-DRMF3TG/K?
The device is available in TSSOP8, SO8N, and WFDFPN8 (DFN8) packages.
- What is the purpose of the power-on-reset (POR) circuit in the M24C32-DRMF3TG/K?
The POR circuit prevents inadvertent write operations during power-up.
