IDT 7200 Series 64X4 4b Word Size Asynchronous SRAM
FIFO Mem Async Dual Depth/Width Uni-Dir 64 x 4 16-Pin SOIC Tube
FIFO Mem Async Dual Depth/Width Uni-Dir 64 x 5 20-Pin PDIP
IDT 7200 Series 64X4 256Kb Asynchronous DIP
64 x 4 AsyncFIFO w/Output Enable, 5.0V