Overview
The M24256-DFDW6TP is a 256-Kbit serial I2C bus EEPROM (Electrically Erasable Programmable 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 storage. The M24256-DFDW6TP operates with a single supply voltage ranging from 1.7 V to 5.5 V and supports clock frequencies up to 1 MHz. It is designed to be highly reliable, with features such as enhanced ESD/latch-up protection, more than 4 million write cycles, and over 200 years of data retention.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Size | 256 Kbit (32 Kbytes) |
| Memory Organization | 32 K × 8 bits |
| Memory Interface | I2C |
| Clock Frequency | Up to 1 MHz |
| Supply Voltage | 1.7 V to 5.5 V |
| Write Cycle Time - Word, Page | 5 ms |
| Access Time | 450 ns |
| Operating Temperature | -40 °C to +85 °C |
| Package | TSSOP-8L, SO8, UFDFPN8, WLCSP |
| RoHS Compliance | Ecopack2 |
Key Features
- Single supply voltage and high speed: 1 MHz clock from 1.7 V to 5.5 V
- Fast write cycles: Byte write and page write within 5 ms
- Enhanced ESD/latch-up protection
- High reliability: More than 4 million write cycles and over 200 years of data retention
- Random and sequential read modes
- Write protect of the whole memory array
- Additional write lockable page (for M24256-D order codes)
- RoHS-compliant and Halogen-free (Ecopack2)
Applications
The M24256-DFDW6TP is suitable for a variety of applications, including:
- Industrial electronics: For storing configuration data, calibration parameters, and other critical information.
- Personal electronics: Used in consumer devices such as smart home appliances, wearables, and other portable electronics.
- Automotive systems: For storing data in automotive applications where reliability and durability are crucial.
- Medical devices: To store patient data, device settings, and other vital information.
Q & A
- What is the memory size of the M24256-DFDW6TP?
The M24256-DFDW6TP has a memory size of 256 Kbit, organized as 32 K × 8 bits.
- What are the operating supply voltage ranges for the M24256-DFDW6TP?
The device operates with a supply voltage from 1.7 V to 5.5 V.
- What is the maximum clock frequency supported by the M24256-DFDW6TP?
The device supports a clock frequency up to 1 MHz.
- How long does it take to perform a byte or page write operation?
Both byte and page write operations take within 5 ms.
- What is the operating temperature range of the M24256-DFDW6TP?
The device operates over an ambient temperature range of –40 °C to +85 °C.
- Does the M24256-DFDW6TP have any additional memory pages?
Yes, the M24256-D order codes include an additional write lockable identification page (64 bytes).
- What kind of protection does the M24256-DFDW6TP offer against ESD and latch-up?
The device features enhanced ESD/latch-up protection.
- How many write cycles can the M24256-DFDW6TP endure?
The device can endure more than 4 million write cycles.
- What is the data retention period of the M24256-DFDW6TP?
The device has a data retention period of over 200 years.
- Is the M24256-DFDW6TP RoHS-compliant?
Yes, the device is RoHS-compliant and Halogen-free (Ecopack2).
