The MC9S08QA4 device family features the 8-bit S08 core operating at a 10MHz bus speed. Other features include a 4 channel 10-bit A/D converter, an integrated analog comparator, 4 channel Keyboard Interrupt, and several integrated timers. This device family offers up to 4K of integrated flash and up to 256 bytes of RAM. The QA device also has an operating voltage range from 1.8V - 3.3V. This device family is available in several compact packages including the 8-pin Small Outline Integrated Circuit (SOIC) , 8-pin Dual Flat No Lead (DFN), and 8-pin Plastic Dual-In-line Package (PDIP).