Overview
The M24256-BWDW6TP is a 256-Kbit I2C-compatible EEPROM (Electrically Erasable Programmable Memory) produced by STMicroelectronics. This device is organized as 32 K × 8 bits and is designed to operate within a supply voltage range of 2.5 V to 5.5 V. It supports clock frequencies up to 1 MHz and operates over an ambient temperature range of -40°C to +85°C. The M24256-BWDW6TP is part of the M24256 series, which includes various models with different voltage ranges and features, such as the M24256-BR, M24256-DR, M24256-BF, and M24256-DF.
Key Specifications
| Specification | Value |
|---|---|
| Memory Format | EEPROM |
| Memory Size | 256 Kbit (32 Kbyte) |
| Memory Interface | I2C |
| Clock Frequency | Up to 1 MHz |
| Supply Voltage | 2.5 V to 5.5 V |
| Operating Temperature Range | -40°C to +85°C |
| Page Size | 64 bytes |
| Write Cycle Time | Byte write within 5 ms, Page write within 5 ms |
| Write Cycles | More than 4 million |
| Data Retention | More than 200 years |
| Packages | SO8, TSSOP8, UFDFPN8, WLCSP, Unsawn wafer |
| RoHS Compliance | RoHS-compliant and Halogen-free (ECOPACK2) |
Key Features
- Compatible with I2C bus modes: 1 MHz, 400 kHz, 100 kHz
- Random and sequential read modes
- Write protect of the whole memory array
- Enhanced ESD/latch-Up protection
- Additional write lockable page (M24256-D order codes)
- Single supply voltage and high speed: 1 MHz clock from 1.7 V to 5.5 V (depending on the model)
- More than 4 million write cycles and more than 200 years data retention
- RoHS-compliant and Halogen-free (ECOPACK2)
- Available in various packages: SO8, TSSOP8, UFDFPN8, WLCSP, Unsawn wafer
Applications
The M24256-BWDW6TP is suitable for a wide range of applications that require non-volatile memory, including:
- Industrial automation and control systems
- Consumer electronics
- Automotive systems
- Medical devices
- IoT devices and smart home appliances
- Any system requiring secure and reliable data storage
Q & A
- What is the memory size of the M24256-BWDW6TP?
The memory size is 256 Kbit, organized as 32 K × 8 bits.
- What are the supported I2C bus modes?
The device supports I2C bus modes of 1 MHz, 400 kHz, and 100 kHz.
- What is the operating temperature range of the M24256-BWDW6TP?
The operating temperature range is from -40°C to +85°C.
- How many write cycles can the M24256-BWDW6TP endure?
The device can endure more than 4 million write cycles.
- What is the data retention period of the M24256-BWDW6TP?
The data retention period is more than 200 years.
- Is the M24256-BWDW6TP RoHS-compliant?
Yes, the device is RoHS-compliant and Halogen-free (ECOPACK2).
- What packages are available for the M24256-BWDW6TP?
The device is available in SO8, TSSOP8, UFDFPN8, WLCSP, and unsawn wafer packages.
- Can the memory array be write-protected?
Yes, the whole memory array can be write-protected.
- Does the M24256-BWDW6TP support sequential read operations?
Yes, the device supports random and sequential read modes.
- How long does a byte or page write operation take?
Both byte and page write operations take within 5 ms.
