Overview
The M95640-WMN6TP is a 64 Kbit electrically erasable programmable memory (EEPROM) device produced by STMicroelectronics. This device is part of the M95640 series and is accessed through a high-speed SPI-compatible bus. It is organized as 8192 x 8 bits, providing 64 Kb (8 Kbytes) of EEPROM memory. The device operates over a wide single supply voltage range from 1.8 V to 5.5 V and has an operating temperature range from -40 °C to +85 °C. It is packaged in an SOIC-8 format, which is RoHS-compliant and halogen-free (ECOPACK2®).
Key Specifications
| Attribute | Specification |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | M95640-WMN6TP |
| Memory Type | EEPROM |
| Memory Size | 64 Kbit (8 Kbytes) |
| Organization | 8192 x 8 bits |
| Interface | SPI (Serial Peripheral Interface) |
| Supply Voltage | 1.8 V to 5.5 V |
| Operating Temperature | -40 °C to +85 °C |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
| Write Cycle Time | Byte and page write within 5 ms |
| Clock Frequency | Up to 20 MHz |
| Data Retention | More than 40 years |
| Write Cycles | More than 1 million |
Key Features
- Compatible with the Serial Peripheral Interface (SPI) bus
- 64 Kb (8 Kbytes) of EEPROM memory
- Page size: 32 bytes
- Additional write lockable page (identification page)
- Byte and page write within 5 ms
- High speed clock frequency up to 20 MHz
- Wide single supply voltage range: 1.8 V to 5.5 V
- Operating temperature range: -40 °C to +85 °C
- Enhanced ESD protection
- More than 1 million write cycles and more than 40-year data retention
- Write protect: quarter, half or whole memory array
- ECOPACK2® (RoHS-compliant and halogen-free) packaging
Applications
The M95640-WMN6TP EEPROM is suitable for a variety of applications that require non-volatile memory, including:
- Industrial control systems
- Automotive systems (though not AEC-Q100 qualified)
- Consumer electronics
- Medical devices
- Any system requiring high-speed SPI interface and reliable non-volatile memory
Q & A
- What is the memory size of the M95640-WMN6TP?
The M95640-WMN6TP has a memory size of 64 Kbit (8 Kbytes), organized as 8192 x 8 bits.
- What interface does the M95640-WMN6TP use?
The device uses the Serial Peripheral Interface (SPI) bus.
- What is the operating voltage range of the M95640-WMN6TP?
The device operates over a supply voltage range from 1.8 V to 5.5 V.
- What is the operating temperature range of the M95640-WMN6TP?
The operating temperature range is from -40 °C to +85 °C.
- What is the package style of the M95640-WMN6TP?
The device is packaged in an SOIC-8 format.
- How many write cycles can the M95640-WMN6TP endure?
The device can endure more than 1 million write cycles.
- What is the data retention period of the M95640-WMN6TP?
The device has a data retention period of more than 40 years.
- Does the M95640-WMN6TP have any write protection features?
Yes, it has write protect features for quarter, half, or whole memory array.
- Is the M95640-WMN6TP RoHS-compliant?
Yes, the device is RoHS-compliant and halogen-free (ECOPACK2®).
- What is the clock frequency of the M95640-WMN6TP?
The device supports a high-speed clock frequency up to 20 MHz.
- How long does it take to write a byte or page in the M95640-WMN6TP?
Both byte and page writes are completed within 5 ms.
