The CY8C3665LTI-044 is an integrated circuit that belongs to the PSOC 3 CY8C36xx series. It has a 8051 core processor that operates @ a speed of 67MHz. This IC has a total of 38 I/Os and 32KB (32K x 8) program memory size. It comes in a 68-VFQFN Exposed Pad case and operates @ a supply voltage of 1.71 V to 5.5 V. The CY8C3665LTI-044 is commonly used in electronic devices and has a medium popularity. It is a reliable choice for designers who need an integrated circuit with a 8051 core processor.