Overview
The M95M01-DWDW4TP/K is a 1-Mbit serial SPI bus EEPROM manufactured by STMicroelectronics. This device is part of the automotive-grade EEPROM family, compliant with the AEC-Q100 grade 0 standard, ensuring high reliability and performance in harsh environments. The EEPROM is organized as 131,072 x 8 bits, accessible through a serial SPI interface, and is designed to operate over a wide temperature range from -40°C to 145°C.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Capacity | 1 Mbit (128 Kbytes) |
| Memory Organization | 131,072 x 8 bits |
| Interface | SPI (Serial Peripheral Interface) |
| Page Size | 256 bytes |
| Supply Voltage | 2.5 V to 5.5 V |
| Operating Temperature Range | -40°C to 145°C |
| Clock Frequency | Up to 16 MHz (for VCC ≥ 4.5 V), up to 10 MHz (for VCC ≥ 2.5 V) |
| Package Type | TSSOP-8 |
| Pins | 8 |
| Write Cycle Time | Byte and page write within 5 ms |
| Data Retention | More than 200 years |
| Write Cycles | More than 4 million |
Key Features
- Compatible with the serial peripheral interface (SPI) bus.
- High-speed clock frequency up to 16 MHz.
- Write protection by block: 1/4, 1/2, or whole memory array.
- Additional write-lockable identification page (256 bytes) for storing sensitive application parameters.
- Enhanced ESD protection.
- Embedded Error Correction Code (ECC) logic for improved data integrity.
- Operating temperature range from -40°C to 145°C.
- Supply voltage range from 2.5 V to 5.5 V.
Applications
The M95M01-DWDW4TP/K is designed for use in automotive and industrial applications where high reliability and durability are crucial. It is suitable for various uses such as:
- Automotive systems (e.g., engine control units, infotainment systems).
- Industrial control systems.
- Medical devices requiring high reliability.
- Aerospace and defense applications.
- Any application requiring non-volatile memory with high endurance and data retention.
Q & A
- What is the memory capacity of the M95M01-DWDW4TP/K?
The M95M01-DWDW4TP/K has a memory capacity of 1 Mbit (128 Kbytes), organized as 131,072 x 8 bits.
- What interface does the M95M01-DWDW4TP/K use?
The device uses the Serial Peripheral Interface (SPI) bus.
- What is the operating temperature range of the M95M01-DWDW4TP/K?
The operating temperature range is from -40°C to 145°C.
- What is the maximum clock frequency of the M95M01-DWDW4TP/K?
The maximum clock frequency is up to 16 MHz for VCC ≥ 4.5 V and up to 10 MHz for VCC ≥ 2.5 V.
- What is the package type of the M95M01-DWDW4TP/K?
The device is packaged in an 8-pin TSSOP (Thin Shrink Small Outline Package).
- How many write cycles can the M95M01-DWDW4TP/K endure?
The device can endure more than 4 million write cycles.
- What is the data retention period of the M95M01-DWDW4TP/K?
The data retention period is more than 200 years.
- Does the M95M01-DWDW4TP/K have any write protection features?
Yes, it has write protection by block: 1/4, 1/2, or whole memory array, and an additional write-lockable identification page.
- Is the M95M01-DWDW4TP/K compliant with any automotive standards?
Yes, it is compliant with the AEC-Q100 grade 0 standard.
- What is the purpose of the identification page in the M95M01-DWDW4TP/K?
The identification page (256 bytes) can be used to store sensitive application parameters and can be permanently locked in read-only mode.
