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Microchip's Microcontrollers with Sleep Currents less than 20nA

23rd April 2009

ES Admin

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Microchip has announced what it says is the world’s lowest power sleep current for 8-bit microcontrollers (MCUs). The PIC18F46J11 and PIC18F46J50 MCUs feature Microchip’s new nanoWatt XLPTM eXtreme Low Power Technology, which enables typical sleep currents of less than 20nA. The new nanoWatt XLP technology gives designers the flexibility to customise their applications for the lowest power consumption through multiple internal wake-up sources, such as Real-Time Clock and Calendar alarm; Brown-Out Resets, and interrupts and watch-dog timers, all while maintaining I/O states.

The general purpose PIC18F46J11 MCUs enable designers to easily and inexpensively add new features to a variety of applications, while maintaining extremely low power and small size. The PIC18F46J50 devices include Full Speed USB 2.0 for designs requiring connectivity, for remote field upgrades or the downloading of data. Both MCU families include a unique mTouchTM sensing peripheral, which lowers system cost by enabling capacitive touch user interfaces. Additionally, a Peripheral Pin Select (PPS) function gives designers the flexibility to map the desired digital peripherals to I/O. With all of these features, the new MCUs provide the peripheral set of a typical 64- or 80-pin device in only 28 or 44 pins. Numerous applications can benefit from the extreme low power and peripheral integration of the PIC18F46J11 and PIC18F46J50 MCUs, across consumer, industrial, automotive and medical markets.

Designers looking to evaluate the new PIC18F46J11 devices can use the PIC18 Explorer Board (part number DM183032, $99.99) and Plug-In Module (part number MA180023, $25). The PIC18F46J50 MCUs are supported by the new PIC18F46J50 FS USB Demo Board (part number MA180024, $45), which also plugs in to the PIC18 Explorer Board.

The six PIC18F46J50 USB 8-bit family members are available now for general sampling and volume production. The 28-pin package options for the PIC18F24J50, PIC18F25J50 and PIC18F26J50 MCUs are: QFN, SSOP, SOIC and SPDIP. The 44-pin package options for the PIC18F44J50, PIC18F45J50 and PIC18F46J50 MCUs are: QFN and TQFP.