S29AL004D
S29AL004D is 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory manufactured by SPANSION.
Features
- Data# Polling and toggle bits
- Provides a software method of detecting program or erase operation pletion
- Erase Suspend/Erase Resume
- Suspends an erase operation to read data from, or program data to, a sector that is not being erased, then resumes the erase operation
- patibility with JEDEC standards
- Pinout and software patible with single-power supply Flash
- Superior inadvertent write protection
Hardware Features
- Ready/Busy# pin (RY/BY#)
- Provides a hardware method of detecting program or erase cycle pletion
- Sector Protection features
- A hardware method of locking a sector to prevent any program or erase operations within that sector
- Sectors can be locked in-system or via programming equipment
- Temporary Sector Unprotect feature allows code changes in previously locked sectors
- Hardware reset pin (RESET#)
- Hardware method to reset the device to reading array data
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