Overview
The CAT25256HU4I-GT3 is a 256-Kb Serial SPI EEPROM device manufactured by onsemi. This device is internally organized as 32Kx8 bits, providing a robust and reliable solution for non-volatile data storage. It features a 64-byte page write buffer and supports the Serial Peripheral Interface (SPI) protocol, making it compatible with a wide range of microcontrollers and other host devices.
The device is designed to operate over a supply voltage range of 1.8 V to 5.5 V and is available in various package types, including the 8-pad UDFN package for the CAT25256HU4I-GT3 model. It is suitable for industrial and extended temperature ranges, ensuring reliability in diverse operating conditions.
Key Specifications
| Parameter | Description | Min | Max | Units |
|---|---|---|---|---|
| Supply Voltage | VCC | 1.8 | 5.5 | V |
| Operating Temperature | TA | -40 | 125 | °C |
| Storage Temperature | TSTG | -65 | 150 | °C |
| Clock Frequency | fSCK | 5 | 20 | MHz |
| Data Setup Time | tSU | 5 | 40 | ns |
| Data Hold Time | tH | 5 | 40 | ns |
| Program/Erase Cycles | 1,000,000 | Cycles | ||
| Data Retention | 100 | Years | ||
| Package Type | 8-pad UDFN |
Key Features
- SPI Compatibility: Supports SPI modes (0,0) and (1,1) with a clock frequency up to 20 MHz.
- Page Write Buffer: 64-byte page write buffer for efficient data writing.
- Write Protection: Hardware and software write protection, including partial and full array protection.
- Error Correction: On-Chip ECC (Error Correction Code) for high reliability applications.
- Low Power CMOS Technology: Low power consumption for battery-powered devices.
- Identification Page: Additional 64-byte Identification Page with permanent write protection option.
- ESD Performance: 2 kV Human Body Model and 1 kV Charged Device Model.
- Environmental Compliance: Pb-free, Halogen-free/BFR-free, and RoHS compliant.
Applications
- Industrial Control Systems: Suitable for industrial environments due to its extended temperature range and robust design.
- Automotive Systems: Used in automotive applications requiring non-volatile data storage and high reliability.
- Consumer Electronics: Ideal for consumer electronics that need reliable and efficient data storage solutions.
- Medical Devices: Applicable in medical devices where data integrity and reliability are critical.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require low power and reliable data storage.
Q & A
- What is the storage capacity of the CAT25256HU4I-GT3?
The CAT25256HU4I-GT3 has a storage capacity of 256 Kb, organized as 32Kx8 bits.
- What is the operating voltage range of the CAT25256HU4I-GT3?
The device operates over a supply voltage range of 1.8 V to 5.5 V.
- What are the supported SPI modes?
The device supports SPI modes (0,0) and (1,1).
- What is the maximum clock frequency?
The maximum clock frequency is 20 MHz.
- Does the device have write protection features?
Yes, it features hardware and software write protection, including partial and full array protection.
- What is the data retention period?
The data retention period is 100 years.
- How many program/erase cycles does the device support?
The device supports up to 1,000,000 program/erase cycles.
- Is the device ESD protected?
Yes, it has ESD protection of 2 kV Human Body Model and 1 kV Charged Device Model.
- What package type is available for the CAT25256HU4I-GT3?
The device is available in an 8-pad UDFN package.
- Is the device environmentally compliant?
Yes, it is Pb-free, Halogen-free/BFR-free, and RoHS compliant.
