PCAL6524HEAZ IC-6524 EXPANDER 24B 32HUQFN PCAL6524HEAZ is a versatile and high-performance I/O expander that supports a supply voltage range of - with - output type. Designed for efficient operation within a frequency of - and temperature range of -. Compact package type: N/A, mounting style: -.Manufactured with compliance to - standards for reliable performance. Packaged as - for convenience.