Overview
The M95128-WMN6T is an electrically erasable programmable memory (EEPROM) device manufactured by STMicroelectronics. This device is part of the M95128 series, which includes variants such as M95128-W, M95128-R, and M95128-DF. The M95128-WMN6T is organized as 16384 x 8 bits, providing a total memory size of 128 Kbit (16 Kbytes), and is accessed through the Serial Peripheral Interface (SPI) bus.
The device operates within a supply voltage range of 2.5 V to 5.5 V and has an operating temperature range from -40 °C to +85 °C. It features high-speed clock support up to 20 MHz and enhanced ESD protection.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Size | 128 Kbit (16 Kbytes) |
| Organization | 16384 x 8 bits |
| Interface | SPI bus |
| Supply Voltage | 2.5 V to 5.5 V (M95128-W) |
| Operating Temperature | -40 °C to +85 °C |
| High-speed Clock | Up to 20 MHz |
| Write Time | Byte Write: 5 ms, Page Write: 5 ms |
| Write Protect | Quarter array, Half array, Whole memory array |
| Write Cycles | More than 4 million |
| Data Retention | More than 200 years |
| Packages | SO8, TSSOP8, UFDFPN8, WLCSP |
Key Features
- Compatible with the serial peripheral interface (SPI) bus
- 128 Kbit (16 Kbytes) of EEPROM memory
- Page size: 64 bytes
- Additional write lockable page (Identification page) for storing sensitive application parameters
- High-speed clock support up to 20 MHz
- Single supply voltage operation
- Enhanced ESD protection
- More than 4 million Write cycles and more than 200-year data retention
- Multiple package options including SO8, TSSOP8, UFDFPN8, and WLCSP
Applications
The M95128-WMN6T EEPROM is suitable for a variety of applications where non-volatile memory is required, such as:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- IoT devices
Its high-speed SPI interface and robust write cycle endurance make it an ideal choice for applications needing reliable and efficient data storage.
Q & A
- What is the memory size of the M95128-WMN6T?
The M95128-WMN6T has a memory size of 128 Kbit (16 Kbytes), organized as 16384 x 8 bits.
- What interface does the M95128-WMN6T use?
The device uses the Serial Peripheral Interface (SPI) bus.
- What is the operating voltage range of the M95128-WMN6T?
The device operates within a supply voltage range of 2.5 V to 5.5 V.
- What is the maximum clock frequency supported by the M95128-WMN6T?
The device supports a high-speed clock up to 20 MHz.
- How many write cycles can the M95128-WMN6T endure?
The device can endure more than 4 million write cycles.
- What is the data retention period of the M95128-WMN6T?
The device has a data retention period of more than 200 years.
- What types of packages are available for the M95128-WMN6T?
The device is available in SO8, TSSOP8, UFDFPN8, and WLCSP packages.
- Does the M95128-WMN6T have any additional memory pages?
Yes, the M95128-DF variant offers an additional write lockable page called the Identification page (64 bytes) for storing sensitive application parameters.
- How does the write protect feature work on the M95128-WMN6T?
The device features write protect mechanisms including quarter array, half array, and whole memory array protection, as well as hardware and software protection modes.
- Is the M95128-WMN6T still in production?
No, the M95128-WMN6T is no longer manufactured and is listed as obsolete.
