Overview
The CAT24C256XI-T2 is a 256 kb Serial CMOS EEPROM produced by onsemi. This device is internally organized as 32,768 words of 8 bits each, providing a robust and reliable solution for non-volatile data storage. It supports the Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocol, making it versatile for various applications. The CAT24C256XI-T2 features a 64-byte page write buffer and includes hardware write protection for the entire memory, enhancing data security. It is designed with low power CMOS technology and offers a wide supply voltage range of 1.8 V to 5.5 V, making it suitable for a broad range of operating conditions.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Memory Size | 256 kb | |
| Organization | 32,768 words of 8 bits each | |
| Page Write Buffer | 64 bytes | |
| I2C Protocol | Standard (100 kHz), Fast (400 kHz), Fast-Plus (1 MHz) | |
| Supply Voltage Range | 1.8 V to 5.5 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Data Retention | 100 years | years |
| Program/Erase Cycles | 1,000,000 cycles | cycles |
| Package Types | SOIC, TSSOP, MSOP, TDFN, UDFN | |
| RoHS Compliance | Pb-Free, Halogen Free/BFR Free |
Key Features
- Supports Standard, Fast, and Fast-Plus I2C protocol
- 64-byte page write buffer
- Hardware write protection for entire memory
- Schmitt triggers and noise suppression filters on I2C bus inputs (SCL and SDA)
- Low power CMOS technology
- On-chip ECC (Error Correction Code) for high reliability applications
- External address pins to address up to eight devices on the same bus
- Industrial and extended temperature range
Applications
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- High reliability applications requiring data retention and endurance
Q & A
- What is the memory size of the CAT24C256XI-T2?
The CAT24C256XI-T2 has a memory size of 256 kb.
- What I2C protocols does the CAT24C256XI-T2 support?
The device supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocols.
- What is the supply voltage range of the CAT24C256XI-T2?
The supply voltage range is from 1.8 V to 5.5 V.
- How many program/erase cycles does the CAT24C256XI-T2 support?
The device supports up to 1,000,000 program/erase cycles.
- What is the data retention period of the CAT24C256XI-T2?
The data retention period is 100 years.
- Does the CAT24C256XI-T2 have hardware write protection?
Yes, the device has hardware write protection for the entire memory.
- What types of packages are available for the CAT24C256XI-T2?
The device is available in SOIC, TSSOP, MSOP, TDFN, and UDFN packages.
- Is the CAT24C256XI-T2 RoHS compliant?
Yes, the device is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- What is the operating temperature range of the CAT24C256XI-T2?
The operating temperature range is from -40°C to +85°C.
- Does the CAT24C256XI-T2 support multiple devices on the same bus?
Yes, up to eight devices can be addressed on the same bus using external address pins.
