at25df321a spi flash芯片用户手册 -凯发app

at25df321a spi flash芯片用户手册

使用该芯片的有：

myd-lpc4357 工控板/开发板

myd-lpc4350 工控板/开发板

myd-lpc1857 工控板/开发板

myd-lpc1850 工控板/开发板

features
• single 2.7v - 3.6v supply
• serial peripheral interface (spi) compatible
– supports spi modes 0 and 3
– supports rapids® operation
– supports dual-input program and dual-output read
• very high operating frequencies
– 100 mhz for rapids
– 85 mhz for spi
– clock-to-output (tv) of 5 ns maximum
• flexible, optimized erase architecture for code data storage applications
– uniform 4-kbyte block erase
– uniform 32-kbyte block erase
– uniform 64-kbyte block erase
– full chip erase
• individual sector protection with global protect/unprotect feature
– 64 sectors of 64-kbytes each
• hardware controlled locking of protected sectors via wp pin
• sector lockdown
– make any combination of 64-kbyte sectors permanently read-only
• 128-byte programmable otp security register
• flexible programming
– byte/page program (1 to 256 bytes)
• fast program and erase times
– 1.0 ms typical page program (256 bytes) time
– 50 ms typical 4-kbyte block erase time
– 250 ms typical 32-kbyte block erase time
– 400 ms typical 64-kbyte block erase time
• program and erase suspend/resume
• automatic checking and reporting of erase/program failures
• software controlled reset
• jedec standard manufacturer and device id read methodology
• low power dissipation
– 5 ma active read current (typical at 20 mhz)
– 5 μa deep power-down current (typical)
• endurance: 100,000 program/erase cycles
• data retention: 20 years
• complies with full industrial temperature range
• industry standard green (pb/halide-free/rohs compliant) package options
– 8-lead soic (208-mil wide)
– 8-pad ultra thin dfn (5 x 6 x 0.6 mm)