The CY7C1568KV18-400BZXCT: It runs at a 400 MHz clock rate, which gives the memory controller a tight timing budget on the parallel bus — every nanosecond of skew eats into the data-valid window.
Supply rails and package — what the board needs
The part operates from a 1.7V to 1.9V core supply, so the board needs a clean 1.8V rail with tight regulation. It comes in a 165-ball FBGA (13x15 mm) — a fine-pitch BGA that requires careful PCB layout for signal integrity and decoupling. The parallel memory interface means every data and address trace must be length-matched to avoid setup/hold violations at 400 MHz.
Last Buy — the clock is ticking
The lifecycle status is Last Buy. That means Cypress (now Infineon) has announced the end of production, and the final purchase window is open. Once the last-time-buy date passes, the only channel will be surplus or broker inventory.