Overview
The M24128-A125 is a 128-Kbit serial EEPROM device designed for automotive applications, operating up to 125 °C. It complies with the high reliability standards defined by the Automotive standard AEC-Q100 grade 1. The device uses a simple serial I²C compatible interface that can operate up to 1 MHz. The memory array is based on advanced true EEPROM technology, organized as 256 pages of 64 bytes each, with an embedded Error Correction Code logic to enhance data integrity. Additionally, it includes an Identification Page for storing device identification and application-specific parameters, which can be permanently locked in read-only mode.
Key Specifications
| Specification | Value |
|---|---|
| Memory Capacity | 128 Kbit (16 Kbyte) |
| Page Size | 64 bytes |
| I²C Bus Modes | 1 MHz, 400 kHz, 100 kHz |
| Operating Temperature | -40 °C to 125 °C |
| Supply Voltage | 1.7 V to 5.5 V |
| Write Cycle Time | Byte Write: 4 ms, Page Write: 4 ms |
| 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 | TSSOP-8L, SO8, DFN8 (RoHS compliant and halogen-free, ECOPACK²) |
Key Features
- Compatible with all I²C bus modes (1 MHz, 400 kHz, 100 kHz)
- Memory array: 128 Kbit (16 Kbyte) of EEPROM, organized as 256 pages of 64 bytes each
- Additional Write lockable Identification Page (64 bytes) for device identification and application parameters
- Extended temperature and voltage ranges: -40 °C to 125 °C; 1.7 V to 5.5 V
- Schmitt trigger inputs for noise filtering
- Short Write cycle time: Byte Write within 4 ms, Page Write within 4 ms
- High write cycle endurance and long data retention
- ESD protection (Human Body Model): 4000 V
- RoHS compliant and halogen-free packages (ECOPACK²)
Applications
The M24128-A125 is designed for various automotive applications where high reliability and durability are crucial. It can be used in systems such as:
- Automotive control units (e.g., engine control, transmission control)
- Infotainment systems
- Advanced driver-assistance systems (ADAS)
- Automotive sensors and actuators
- Other automotive electronic systems requiring non-volatile memory
Q & A
- What is the memory capacity of the M24128-A125?
The M24128-A125 has a memory capacity of 128 Kbit (16 Kbyte).
- What are the operating temperature ranges for the M24128-A125?
The device operates within a temperature range of -40 °C to 125 °C.
- What are the supported I²C bus modes for the M24128-A125?
The device supports I²C bus modes of 1 MHz, 400 kHz, and 100 kHz.
- How long does it take to perform a write cycle on the M24128-A125?
The write cycle time for both byte and page writes is within 4 ms.
- What is the write cycle endurance of the M24128-A125?
The device has a write cycle endurance of 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 retain on the M24128-A125?
The data retention is 50 years at 125 °C and 100 years at 25 °C.
- What kind of ESD protection does the M24128-A125 offer?
The device offers ESD protection of 4000 V (Human Body Model).
- What types of packages are available for the M24128-A125?
The device is available in TSSOP-8L, SO8, and DFN8 packages, all of which are RoHS compliant and halogen-free (ECOPACK²).
- Can the Identification Page be locked in read-only mode?
- Is the M24128-A125 compliant with automotive reliability standards?
