54 CY7C451 CY7C453 CY7C454 512x9, 2Kx9, and 4Kx9.
Cypress Semiconductor
CY7C453 - (CY7C451 - CY7C454) Cascadable Colcked FIFOs
54 CY7C451 CY7C453 CY7C454 512x9, 2Kx9, and 4Kx9 Cascadable Clocked FIFOs with Programmable Features • High-speed, low-power, first-in first-out (FI.