Product Overview
The CAT25080YI-GT3 from onsemi (formerly Catalyst) is an 8 Kbit SPI serial EEPROM with 20 MHz clock rate and 1 million erase/write cycle endurance. It supports SPI modes 0 and 3 with sector/page protection for critical data integrity.
Key Specifications
| Function | 8 Kbit SPI serial EEPROM |
| Density | 8 Kbit (1 Kbyte) |
| Interface | SPI (Mode 0 and 3) |
| Clock Rate | Up to 20 MHz |
| Endurance | 1 million erase/write cycles |
| Supply Voltage | 1.8V to 5.5V |
| Package | TSSOP-8 (4.4x3mm) |
Working Principle
SPI interface (SI, SO, SCK, CS) provides synchronous serial access to 1024 bytes of non-volatile memory. Page write allows writing 16 bytes at a time. Hardware write-protect (WP) pin and software status register protect against accidental writes. Hold (HOLD) pin pauses serial communication without resetting the device.
Applications
- Configuration storage
- Calibration data
- User preference storage
- Serial number / ID