Overview
The M24256-BWMN6TP/A is a 256-Kbit I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) produced by STMicroelectronics. This device is organized as 32 K × 8 bits, making it suitable for a wide range of applications requiring non-volatile memory. The M24256 series operates with a single supply voltage and supports high-speed operations up to 1 MHz clock frequency. It is available in various packages, including SO8, TSSOP8, UFDFPN8, and WLCSP, all of which are RoHS-compliant and Halogen-free (ECOPACK2).
Key Specifications
| Parameter | Value |
|---|---|
| Memory Capacity | 256 Kbit (32 Kbyte) |
| Organization | 32 K × 8 bits |
| Supply Voltage | 1.7 V to 5.5 V (depending on the variant) |
| Clock Frequency | Up to 1 MHz |
| Interface | 2-Wire, I2C, Serial |
| Operating Temperature Range | -40 °C to +85 °C |
| Write Cycle Time | Byte write within 5 ms, Page write within 5 ms |
| Data Retention | More than 200 years |
| Write Cycles | More than 4 million |
| Packages | SO8, TSSOP8, UFDFPN8, WLCSP |
Key Features
- Compatible with I2C bus modes: 1 MHz, 400 kHz, 100 kHz
- Page size: 64 bytes
- Additional write lockable identification page (64 bytes) for M24256-D variants
- Random and sequential read modes
- Write protect of the whole memory array
- Enhanced ESD/latch-Up protection
- RoHS-compliant and Halogen-free (ECOPACK2)
Applications
The M24256-BWMN6TP/A is suitable for various applications requiring non-volatile memory, such as:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Any system needing to store configuration data or parameters that need to be retained even when power is off.
Q & A
- What is the memory capacity of the M24256-BWMN6TP/A?
The memory capacity 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-BWMN6TP/A?
The operating temperature range is from -40 °C to +85 °C.
- How many write cycles can the M24256-BWMN6TP/A endure?
The device can endure more than 4 million write cycles.
- What is the data retention period of the M24256-BWMN6TP/A?
The data retention period is more than 200 years.
- Does the M24256-BWMN6TP/A have any additional memory pages?
Yes, the M24256-D variants have an additional write lockable identification page of 64 bytes.
- What types of packages are available for the M24256-BWMN6TP/A?
The device is available in SO8, TSSOP8, UFDFPN8, and WLCSP packages.
- Is the M24256-BWMN6TP/A RoHS-compliant?
Yes, the device is RoHS-compliant and Halogen-free (ECOPACK2).
- How long does it take to write a byte or a page to the M24256-BWMN6TP/A?
Both byte and page writes take within 5 ms.
- Does the M24256-BWMN6TP/A have any protection features?
Yes, it has enhanced ESD/latch-Up protection and write protect for the whole memory array.
