AS7C33128FT18B是Alliance Semiconductor公司生产的一款3.3V 128K × 18 Flow Through Synchronous SRAM。它具有以下特点:131,072 words × 18 bits,Fast clock to data access: 6.5/7.5/8.0/10.0 ns,Fast OE access time: 3.5/4.0 ns,Fully synchronous flow through operation,Asynchronous output enable control,Economical 100-pin TQFP package,Individual byte write and Global write,Multiple chip enables for easy expansion,3.3V core power supply,2.5V or 3.3V I/O operation with separate VDDQ,Linear or interleaved burst control,Snooze mode for reduced power standby,Common data inputs and data outputs。