Overview
The M95256-WMW6TG is an electrically erasable programmable memory (EEPROM) device produced by STMicroelectronics. This component is part of the M95256 series, which is organized as 32768 x 8 bits and 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 is designed to function over an ambient temperature range of -40 °C to +85 °C. Although the specific model M95256-WMW6TG is no longer in production, it remains relevant for existing designs and applications requiring high-speed SPI bus EEPROMs.
Key Specifications
| Specification | Value |
|---|---|
| Memory Array | 256 Kbit (32 Kbytes) of EEPROM |
| Page Size | 64 bytes |
| Supply Voltage | 2.5 V to 5.5 V (M95256-W) |
| Operating Temperature Range | -40 °C to +85 °C |
| Write Time | Byte Write within 5 ms, Page Write within 5 ms |
| High-Speed Clock | 20 MHz |
| Packages | SO8N, TSSOP8, UFDFPN8, WLCSP8 (ECOPACK2) |
| Write Cycles | More than 4 million |
| Data Retention | More than 200 years |
| ESD Protection | Enhanced ESD protection |
Key Features
- Compatible with the Serial Peripheral Interface (SPI) bus
- Additional write lockable page (Identification page) for storing sensitive application parameters
- Write protect for quarter array, half array, and whole memory array
- High-speed clock: 20 MHz
- Single supply voltage operation
- Enhanced ESD protection
- More than 4 million Write cycles and more than 200-year data retention
- Available in various packages: SO8N, TSSOP8, UFDFPN8, WLCSP8 (ECOPACK2)
Applications
The M95256-WMW6TG EEPROM is suitable for a variety of applications that require non-volatile memory with high-speed SPI bus interface. These include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- IoT devices requiring secure and reliable data storage
Q & A
- What is the memory capacity of the M95256-WMW6TG?
The M95256-WMW6TG has a memory capacity of 256 Kbit (32 Kbytes) of EEPROM.
- What is the page size of the M95256-WMW6TG?
The page size is 64 bytes.
- What is the operating supply voltage range for the M95256-WMW6TG?
The operating supply voltage range is from 2.5 V to 5.5 V.
- What is the maximum clock frequency for the SPI interface?
The maximum clock frequency is 20 MHz.
- How many write cycles can the M95256-WMW6TG endure?
The device can endure more than 4 million write cycles.
- What is the data retention period for the M95256-WMW6TG?
The data retention period is more than 200 years.
- Does the M95256-WMW6TG have any additional security features?
Yes, it includes an additional write lockable page (Identification page) and enhanced ESD protection.
- In what packages is the M95256-WMW6TG available?
The device is available in SO8N, TSSOP8, UFDFPN8, and WLCSP8 (ECOPACK2) packages.
- What is the operating temperature range for the M95256-WMW6TG?
The operating temperature range is from -40 °C to +85 °C.
- Can the M95256-WMW6TG be used in automotive applications?
Yes, it is suitable for automotive and other industrial applications due to its robust specifications and temperature range.
- Is the M95256-WMW6TG still in production?
No, the M95256-WMW6TG is no longer in production, but it can still be sourced from distributors or used in existing designs.
