AT45DQ321
AT45DQ321 is 32-Mbit DataFlash 2.3V Minimum SPI Serial Flash Memory manufactured by Renesas.
Features
- Single 2.3 V
- 3.6 V supply
- Serial Peripheral Interface (SPI) patible
- Supports SPI modes 0 and 3
- Supports Rapid S™ operation
- Supports Dual-input and Quad-input Buffer
Write
- Supports Dual-output and Quad-output Read
- Very high operating frequencies
- 104 MHz (for SPI)
- 70 MHz (for Dual-I/O and Quad-I/O)
- Clock-to-output time (t V) of 7 ns maximum
- User-configurable page size
- 512 bytes per page
- 528 bytes per page (default)
- Page size can be factory pre-configured for
512 bytes
- Two fully independent SRAM data buffers (512 /
528 bytes)
- Allows receiving data while reprogramming the main memory array
- Flexible programming options
- Byte/Page Program (1 to 512/528 bytes) directly into main memory
- Buffer Write
- Buffer to Main Memory Page Program
- Flexible erase options
- Page Erase (512/528 bytes)
- Block Erase (4 k B)
- Sector Erase (64 k B)
- Chip Erase (32 Mbits)
- Program and Erase Suspend/Resume
- Advanced hardware and software data protection features
- Individual sector protection
- Individual sector lock-down to make any sector permanently read-only
- 128-byte, One-Time Programmable (OTP) Security Register
- 64 bytes factory programmed with a unique identifier
- 64 bytes user-programmable
- Hardware and software controlled reset options
- JEDEC Standard Manufacturer and Device ID Read
- Low power...