PIC16LF1708-I/P
PIC16LF1708-I/P - 8-bit XLP MCU 7KB Flash 20-PDIP | Microchip
The Microchip Technology PIC16LF1708-I/P is an 8-bit PIC16 XLP flash microcontroller delivering up to 32 MHz CPU performance with 7 KB (4K x 14) of program flash, 512 bytes of SRAM and 128 bytes of data EEPROM, housed in a 20-pin PDIP (0.300 inch, 7.62 mm) through-hole package. The LF sub-family targets ultra-low-power (XLP) operation with a wide 1.8 V to 3.6 V core supply, making it ideal for battery-powered and energy-harvesting designs. The device integrates intelligent analog peripherals including on-chip op amps, 8-bit and 10-bit ADCs, 5-bit and 8-bit DACs, comparators, and zero-cross detect, alongside Core Independent Peripherals such as the Configurable Logic Cell (CLC), Complementary Output Generator (COG) and Numerically Controlled Oscillator (NCO).
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and configurable peripheral blocks into one package. Within that hierarchy, an 8-bit MCU like the PIC16LF1708 uses a RISC instruction set optimized for deterministic bit-manipulation and low interrupt latency, sitting below 16-bit and 32-bit MCUs in computational throughput but offering superior cost, code-density, and ultra-low-power advantages for compact real-time tasks. The XLP technology inside PIC16LF1708 extends sleep currents to the nanoampere range, supporting coin-cell and energy-harvested products.
Key differentiating features include 4 KB instruction-word flash, 512 bytes SRAM, 128 bytes EEPROM, an enhanced mid-range 14-bit instruction set with 200 ns instruction execution, 12-bit ADC with computation (ADC2), high-speed comparators, two op-amp modules, 8-/10-bit PWMs, and the eXtreme Low Power XLP sleep modes. The integrated 32 MHz internal oscillator eliminates external crystal requirements for many designs, and the device supports I2C, SPI, EUSART (RS-232/RS-485), and up to 18 I/O pins.
Typical applications include low-cost general-purpose embedded control, IoT sensor nodes, small home appliances, LED lighting controllers, remote controls, sensor signal conditioning, battery chargers, motor control loops for small fans and pumps, and wearable health devices. The PDIP-20 package makes it especially attractive for hobbyist, educational, prototype, breadboard, and through-hole production designs that require easy rework and socket mounting.
When designing with the PIC16LF1708-I/P, ensure VDD stays within 1.8 V to 3.6 V and use a 0.1 µF decoupling capacitor close to the supply pin. MPLAB X IDE with XC8 compiler is the recommended toolchain. The trade-off versus QFN variants is approximately 4x larger board area, but you gain mechanical robustness, socket compatibility and easier hand-soldering for prototypes.
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