Silicon Laboratories announced the C8051F91x/0x microcontroller (MCU) family. The ultra-low-power C8051F91x/0x MCUs increase battery life in portable designs and other power-sensitive embedded systems. The new F91x/0x MCUs are ideal for applications where low power consumption is critical such as smart meters, RFID tags, personal medical devices, sensor interfaces, energy harvesting, home security systems, and smoke and fire detectors. The C8051F91x/0x family is available in a compact, 24-pin 4×4 mm package. Pricing for the C8051F91x MCUs starts at $1.69 in 10K quantities, and F90x 10K pricing starts at $1.53 (USD).