Cypress Semiconductor 64Mbit CFI Flash Memory 48-Pin TSOP, S29JL064J55TFI000

Software Features
Supports Common Flash Memory Interface (CFI)
Erase suspend/erase resume
Suspends erase operations to read data from, or program data to, a sector that is not being erased, then resumes the erase operation
Data# polling and toggle bits
Provides a software method of detecting the status of program or erase operations
Unlock bypass program command
Reduces overall programming time when issuing multiple program command sequences
Hardware Features
Ready/Busy# output (RY/BY#)
Hardware method for detecting program or erase cycle completion
Hardware reset pin (RESET#)
Hardware method of resetting the internal state machine to the read mode
WP#/ACC input pin
Write protect (WP#) function protects sectors 0, 1, 140,and 141, regardless of sector protect status
Acceleration (ACC) function accelerates program timing
Sector Protection
Hardware method to prevent any program or erase operation within a sector
Temporary Sector Unprotect allows changing data in protected sectors in-system

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