Overview
The M95320-DRMF3TG/K is a 32 Kbit automotive-grade Serial Peripheral Interface (SPI) bus EEPROM developed by STMicroelectronics. This device is designed to operate in harsh automotive environments, complying with the high reliability standards defined by the Automotive standard AEC-Q100 Grade 0. It features a simple SPI-compatible interface and advanced true EEPROM technology, ensuring high data integrity and reliability.
The device operates over a wide temperature range, from -40°C to 145°C, and supports a supply voltage range of 1.7 V to 5.5 V. It is organized as 4096 x 8 bits, with a page size of 32 bytes, and includes an additional identification page for storing sensitive application parameters.
Key Specifications
| Specification | Details |
|---|---|
| Memory Size | 32 Kbit (4 Kbytes), 4096 x 8 bits |
| Memory Interface | SPI (Serial Peripheral Interface) |
| Clock Frequency | Up to 20 MHz (VCC ≥ 4.5 V), 10 MHz (VCC ≥ 2.5 V), 5 MHz (VCC ≥ 1.7 V) |
| Page Size | 32 bytes |
| Write Protection | Quarter, half, or whole memory array |
| 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, 600k cycles at 125°C, 400k cycles at 145°C |
| Data Retention | 50 years at 125°C, 100 years at 25°C |
| Operating Temperature | -40°C to 145°C |
| Supply Voltage | 1.7 V to 5.5 V |
| ESD Protection | 4000 V (Human Body Model) |
| Packages | RoHS-compliant and halogen-free (ECOPACK2®), SO8, TSSOP8, DFN8 |
Key Features
- Compatible with the Serial Peripheral Interface (SPI) bus
- 32 Kbit (4 Kbytes) of EEPROM memory
- High-speed clock frequency up to 20 MHz
- Extended temperature and voltage ranges
- Write protection by block: quarter, half, or whole memory array
- Additional write lockable identification page
- Schmitt trigger inputs for noise filtering
- Short write cycle time: byte write and page write within 4 ms
- High write cycle endurance and long data retention
- Enhanced ESD protection: 4000 V (Human Body Model)
- RoHS-compliant and halogen-free packages (ECOPACK2®)
Applications
The M95320-DRMF3TG/K is designed for use in automotive and industrial applications where high reliability and durability are critical. It is suitable for various use cases such as:
- Automotive systems: engine control units, transmission control units, and other automotive electronics.
- Industrial control systems: PLCs, motor control units, and other industrial automation equipment.
- Consumer electronics: devices requiring non-volatile memory with high endurance and reliability.
- Medical devices: equipment needing secure and reliable data storage.
Q & A
- What is the memory size of the M95320-DRMF3TG/K?
The memory size is 32 Kbit, organized as 4096 x 8 bits.
- What is the interface type of the M95320-DRMF3TG/K?
The device uses a Serial Peripheral Interface (SPI) bus.
- What are the operating temperature ranges for the M95320-DRMF3TG/K?
The device operates from -40°C to 145°C.
- What are the supply voltage ranges for the M95320-DRMF3TG/K?
The supply voltage range is from 1.7 V to 5.5 V.
- What is the clock frequency of the M95320-DRMF3TG/K?
The clock frequency can be up to 20 MHz (VCC ≥ 4.5 V), 10 MHz (VCC ≥ 2.5 V), and 5 MHz (VCC ≥ 1.7 V).
- How many write cycles can the M95320-DRMF3TG/K endure?
The device can endure 4 million write cycles at 25°C, 1.2 million cycles at 85°C, 600k cycles at 125°C, and 400k cycles at 145°C.
- What is the data retention period for the M95320-DRMF3TG/K?
The data retention is 50 years at 125°C and 100 years at 25°C.
- Does the M95320-DRMF3TG/K have ESD protection?
Yes, it has enhanced ESD protection of 4000 V (Human Body Model).
- What types of packages are available for the M95320-DRMF3TG/K?
The device is available in SO8, TSSOP8, and DFN8 packages, all of which are RoHS-compliant and halogen-free (ECOPACK2®).
- Is the M95320-DRMF3TG/K compliant with automotive standards?
Yes, it is compliant with the Automotive standard AEC-Q100 Grade 0.
- What is the purpose of the identification page in the M95320-DRMF3TG/K?
The identification page can be used to store sensitive application parameters and can be permanently locked in read-only mode.
