Overview
The CAT25256VI-GC 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 data storage in various electronic systems. 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.
Key Specifications
| Parameter | Min | Max | Units |
|---|---|---|---|
| Supply Voltage Range | 1.8 | 5.5 | V |
| Clock Frequency (SPI) | - | 20 MHz (at 5 V) | MHz |
| Data Setup Time | 40 | - | ns |
| Data Hold Time | 40 | - | ns |
| Program/Erase Cycles | - | 1,000,000 | Cycles |
| Data Retention | - | 100 years | Years |
| Operating Temperature Range | -40°C | +125°C (Extended) | °C |
| Package Types | - | 8-lead SOIC, TSSOP, 8-pad UDFN | - |
| ESD Performance | - | 2 kV (Human Body Model), 1 kV (Charged Device Model) | kV |
Key Features
- SPI Compatibility: Supports SPI modes (0,0) and (1,1) with a clock frequency up to 20 MHz at 5 V.
- 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: Efficient power consumption.
- Page Write Buffer: 64-byte page write buffer for efficient data writing.
- Identification Page: Additional 64-byte Identification Page with permanent write protection option.
- Self-Timed Write Cycle: Internal write cycle management.
- Block Write Protection: Protect 1/4, 1/2, or the entire EEPROM array.
- Environmental Compliance: Pb-free, Halogen-free/BFR-free, and RoHS compliant.
Applications
The CAT25256VI-GC is suitable for a variety of applications requiring reliable and efficient non-volatile memory. These include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Telecommunication equipment
Q & A
- What is the memory organization of the CAT25256VI-GC?
The CAT25256VI-GC is internally organized as 32Kx8 bits.
- What is the maximum clock frequency supported by the CAT25256VI-GC?
The device supports a maximum clock frequency of 20 MHz at 5 V.
- What types of write protection does the CAT25256VI-GC offer?
The device offers both hardware and software write protection, including partial and full array protection.
- How many program/erase cycles can the CAT25256VI-GC endure?
The device can endure up to 1,000,000 program/erase cycles.
- What is the data retention period of the CAT25256VI-GC?
The device has a data retention period of 100 years.
- What are the operating temperature ranges for the CAT25256VI-GC?
The device operates within a temperature range of -40°C to +125°C (Extended).
- What package types are available for the CAT25256VI-GC?
The device is available in 8-lead SOIC, TSSOP, and 8-pad UDFN packages.
- Is the CAT25256VI-GC environmentally compliant?
Yes, the device is Pb-free, Halogen-free/BFR-free, and RoHS compliant.
- How does the HOLD input function on the CAT25256VI-GC?
The HOLD input can be used to pause communication between the host and the CAT25256 by taking HOLD low while SCK is low.
- What is the purpose of the additional Identification Page in the CAT25256VI-GC?
The additional 64-byte Identification Page can be accessed for read and write operations and can be made permanent write protected.
