AT25SF321B
Key Features
- Serial Peripheral Interface (SPI) Compatible - Supports SPI modes 0 and 3 (1,1,1) - Supports dual input and dual output operation (1,1,2) - Supports quad input and quad output operation (1,1,4) - Supports quad I/O operation (1,4,4 and 0,4,4)
- 108 MHz Maximum Operating Frequency
- Single 2.7 V - 3.6 V Single Supply Voltage
- Continuous Read modes
- Serial Flash Discoverable Parameters (SFDP, JDES216B) support
- OTP Memory - Three Protected Programmable Security Register Pages (Page size: 256 bytes) - 64-bit factory programmable UID register
- Hardware Write Protection (WP pin)
- Software Write protection (Programmable non-volatile control registers)
- Program and Erase Suspend and Resume
- Byte programming size: up to 256 bytes