特性 Features

? SPI-compatible serial bus interface

? Single and double transfer rate (STR/DTR)

? Clock frequency

– 166 MHz (MAX) for all protocols in STR

– 90 MHz (MAX) for all protocols in DTR

? Dual/quad I/O commands for increased throughput up to 90 MB/s

? Supported protocols in both STR and DTR

– Extended I/O protocol

– Dual I/O protocol

– Quad I/O protocol

? Execute-in-place (XIP)

? PROGRAM/ERASE SUSPEND operations

? Volatile and nonvolatile configuration settings

? Software reset

? Additional reset pin for selected part numbers

? Dedicated 64-byte OTP area outside main memory

– Readable and user-lockable

– Permanent lock with PROGRAM OTP command

? Erase capability

– Bulk erase

– Sector erase 64KB uniform granularity

– Subsector erase 4KB, 32KB granularity

? Security and write protection

– Volatile and nonvolatile locking and software

write protection for each 64KB sector

– Nonvolatile configuration locking

– Password protection

– Hardware write protection: nonvolatile bits

(BP[3:0] and TB) define protected area size

– Program/erase protection during power-up

– CRC detects accidental changes to raw data

? Electronic signature

– JEDEC-standard 3-byte signature (BB18h)

– Extended device ID: two additional bytes identify

device factory options

? JESD47H-compliant

– Minimum 100,000 ERASE cycles per sector

– Data retention: 20 years (TYP)