AT25DQ321
Features
- Single 2.7V
- 3.6V supply
- Serial Peripheral Interface (SPI) patible
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(Not Remended for New Designs)
Supports SPI Modes 0 and 3 Supports Rapid S™ operation Supports Dual- and Quad-Input Program Supports Dual- and Quad-Output Read
- Very high operating frequencies
- 100MHz for Rapid S
- 85MHz for SPI
- Clock-to-output (t V) of 5ns maximum
- Flexible, optimized erase architecture for code + data storage applications
- Uniform 4KB, 32KB, and 64KB Block Erase
- Full Chip Erase
- Individual sector protection with Global Protect/Unprotect feature
- 64 sectors of 64KB each
- Hardware controlled locking of protected sectors via WP pin
- Sector Lockdown
- Make any bination of 64KB sectors permanently read-only
- 128-byte Programmable OTP Security Register
- Flexible programming
- Byte/Page Program (1 to 256 bytes)
- Fast Program and Erase times
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1.5ms typical Page Program (256 bytes) time 50ms typical 4KB Block Erase time 250ms typical 32KB Block Erase time...
