91 I/O in a 144-EQFP — interface headroom for the board
The 144-EQFP package gives you 91 assignable I/O, enough to connect a parallel LCD data bus, a few SPI or I²C peripherals, and a handful of discrete control lines. The exposed pad helps thermal transfer to the PCB ground plane.
Lifecycle and sourcing — plan ahead
The EP4CE10E22C6 carries an end-of-life (eol_hot) lifecycle flag, meaning Intel has announced discontinuation and the last-time-buy window is active or imminent. The product status in some channels still shows Active, but the eol_hot tag is the signal to secure your lifetime buy or qualify a replacement. For a drop-in alternative, the EP4CE10U14I7N is a Cyclone IV E variant with the same logic density but 179 I/O and an industrial temperature range; verify pin-compatibility for your specific board layout.