The 54ABT534BRA part is a programmable Logic Device (PLD) manufactured by NXP Semiconductors. It is a high-density, low-power 5V PLD containing two independent reprogrammable ALU (Arithmetic Logic Unit) blocks. The device includes 54 programmable logic levels and 3,876 programmable terms. It also features a total of 326 user I/O signals, which are organized into three general-purpose I/O banks. Additionally, the device supports a variety of logic programming modes, including PALCE, 1-of-N, ABEL, GAL and VHDL. The device is available in a 78-pin LQFP package.