The AL4CX3650/ 3660/ 3670/ 3680/ 3690 FIFO (First In First Out) memory provides completely independent 36-bit bus width input and output port operation with flexible x36/ x18/ x9 Bus-Matching data flow control at a maximum speed of 166 MHz. The products are available in densities from 64K-bit to 1M-bit with word depths from 2K to 32K bit. Additional features of the AL4CX36x0 series include: fixed and programmable flags; low first word latency; partial reset; Endian select; expandable depth/width and optional first-word-fallthrough. The AL4CX36x0 FIFO memory is AverLogic Technologies, latest products that is designed to buffer high-speed data for a wide range of application such as optical storage controllers, Networking Switches and various communication applications.