Overview
The M95020-DRMF3TG/K is a 2-Kbit serial EEPROM device designed for automotive applications, manufactured by STMicroelectronics. These devices operate up to 145°C and are compliant with the high reliability standards defined by the Automotive standard AEC-Q100 grade 0. The memory array is based on advanced true EEPROM technology, providing byte-alterable memory organized into 16 pages of 16 bytes each. The device features an embedded Error Correction Code logic to enhance data integrity and includes an additional Identification Page for storing device identification and application-specific parameters, which can be permanently locked in read-only mode.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Density | 2 Kbit (256 × 8 bits) |
| Interface | SPI (Serial Peripheral Interface) |
| Page Size | 16 bytes |
| Write Protection | Block: 1/4, 1/2 or whole memory |
| Identification Page | 16 bytes (write lockable) |
| Operating Temperature Range | Up to 125 °C (VCC from 1.7 V to 5.5 V), up to 145 °C (VCC from 2.5 V to 5.5 V) |
| High Speed Clock Frequency | 20 MHz for VCC ≥ 4.5 V, 10 MHz for VCC ≥ 2.5 V, 5 MHz for VCC ≥ 1.7 V |
| Write Cycle Time | Byte Write within 4 ms, Page Write within 4 ms |
| Write Cycle Endurance | 4 million cycles at 25 °C, 1.2 million cycles at 85 °C, 600 k cycles at 125 °C, 400 k cycles at 145 °C |
| Data Retention | 50 years at 125 °C, 100 years at 25 °C |
| ESD Protection | 4000 V (Human Body Model) |
| Package | MLP (8-MLP, 2x3 mm), RoHS-compliant and halogen-free (ECOPACK2®) |
Key Features
- Compatible with the Serial Peripheral Interface (SPI) bus
- Memory array with 2 Kbit (256 × 8 bits) of EEPROM, organized into 16 pages of 16 bytes each
- Write protection by block: 1/4, 1/2 or whole memory
- Additional Write lockable Identification Page (16 bytes)
- Extended temperature and voltage ranges: up to 125 °C (VCC from 1.7 V to 5.5 V), up to 145 °C (VCC from 2.5 V to 5.5 V)
- High speed clock frequency: 20 MHz for VCC ≥ 4.5 V, 10 MHz for VCC ≥ 2.5 V, 5 MHz for VCC ≥ 1.7 V
- Schmitt trigger inputs for noise filtering
- Short Write cycle time: Byte Write within 4 ms, Page Write within 4 ms
- Write cycle endurance: 4 million cycles at 25 °C, 1.2 million cycles at 85 °C, 600 k cycles at 125 °C, 400 k cycles at 145 °C
- Data retention: 50 years at 125 °C, 100 years at 25 °C
- ESD Protection: 4000 V (Human Body Model)
- RoHS-compliant and halogen-free packaging (ECOPACK2®)
Applications
The M95020-DRMF3TG/K is designed for various automotive applications where high reliability, extended temperature range, and robust data integrity are crucial. These include:
- Automotive control units and systems
- Vehicle infotainment and navigation systems
- Safety and security systems (e.g., airbag control, anti-theft systems)
- Advanced driver-assistance systems (ADAS)
- Automotive sensors and actuators
Q & A
- What is the memory density of the M95020-DRMF3TG/K?
The memory density is 2 Kbit (256 × 8 bits).
- What interface does the M95020-DRMF3TG/K use?
The device uses the Serial Peripheral Interface (SPI) bus.
- What are the operating temperature ranges for the M95020-DRMF3TG/K?
The device operates up to 125 °C (VCC from 1.7 V to 5.5 V) and up to 145 °C (VCC from 2.5 V to 5.5 V).
- What is the high speed clock frequency of the M95020-DRMF3TG/K?
The high speed clock frequency is 20 MHz for VCC ≥ 4.5 V, 10 MHz for VCC ≥ 2.5 V, and 5 MHz for VCC ≥ 1.7 V.
- How long does a write cycle take for the M95020-DRMF3TG/K?
A write cycle takes within 4 ms for both byte and page writes.
- What is the write cycle endurance of the M95020-DRMF3TG/K?
The write cycle endurance is 4 million cycles at 25 °C, 1.2 million cycles at 85 °C, 600 k cycles at 125 °C, and 400 k cycles at 145 °C.
- How long does the data retain in the M95020-DRMF3TG/K?
The data retention is 50 years at 125 °C and 100 years at 25 °C.
- What is the ESD protection level of the M95020-DRMF3TG/K?
The ESD protection level is 4000 V (Human Body Model).
- Is the M95020-DRMF3TG/K RoHS-compliant?
Yes, the device is RoHS-compliant and halogen-free (ECOPACK2®).
- What types of applications is the M95020-DRMF3TG/K suitable for?
The device is suitable for various automotive applications, including control units, infotainment systems, safety and security systems, ADAS, and automotive sensors and actuators.
- 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 data.
