Overview
The M24256-BFDW6TP 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 wide range of supply voltages and temperatures. It supports various I²C bus modes and offers high-speed operation, making it suitable for a variety of applications requiring non-volatile memory storage.
Key Specifications
| Parameter | Min. | Max. | Unit |
|---|---|---|---|
| Supply Voltage (VCC) | 1.7 | 5.5 | V |
| Ambient Operating Temperature (TA) | -40 | 85 | °C |
| Operating Clock Frequency (fC) | - | 1 | MHz |
| Memory Capacity | - | 256 Kbit (32 Kbyte) | - |
| Page Size | - | 64 byte | - |
| Write Cycle Time (Byte/Page) | - | 5 ms | - |
| Write Cycles | - | 4 million | - |
| Data Retention | - | 200 years | - |
| Package Types | - | SO8, TSSOP8, UFDFPN8, WLCSP | - |
Key Features
- Compatible with I²C bus modes: 1 MHz, 400 kHz, 100 kHz
- Single supply voltage and high speed: 1 MHz clock from 1.7 V to 5.5 V
- Byte and page write within 5 ms
- Random and sequential read modes
- Write protect of the whole memory array
- Enhanced ESD/latch-Up protection
- More than 4 million write cycles and more than 200 years data retention
- RoHS-compliant and Halogen-free (ECOPACK2)
- Additional write lockable identification page (for M24256-D order codes)
Applications
The M24256-BFDW6TP is suitable for various industrial, automotive, and consumer electronics applications where non-volatile memory storage is required. It can be used in systems that need to store configuration data, calibration parameters, or other types of data that need to be retained even when power is turned off.
Q & A
- What is the memory capacity of the M24256-BFDW6TP? The memory capacity is 256 Kbit, organized as 32 K × 8 bits.
- What are the supported I²C bus modes? The device supports 1 MHz, 400 kHz, and 100 kHz I²C bus modes.
- What is the operating temperature range? The device operates over an ambient temperature range of –40 °C to +85 °C.
- How many write cycles can the device handle? The device can handle more than 4 million write cycles.
- What is the data retention period? The data retention period is more than 200 years.
- Is the device RoHS-compliant? Yes, the device is RoHS-compliant and Halogen-free (ECOPACK2).
- What are the available package types? The available package types include SO8, TSSOP8, UFDFPN8, and WLCSP.
- Can the device be used in high-speed applications? Yes, the device supports a 1 MHz clock frequency from 1.7 V to 5.5 V.
- How long does a byte or page write operation take? Both byte and page write operations take within 5 ms.
- Does the device have any additional memory pages? Yes, the M24256-D order codes include an additional write lockable identification page (64 bytes).
