PIC16LF18344-E/P
PIC16LF18344-E/P - 8-Bit XLP MCU, 7KB Flash, 32MHz | Microchip
The Microchip Technology PIC16LF18344-E/P is an 8-bit PIC microcontroller from the PIC16F family featuring eXtreme Low Power (XLP) technology, 7KB (4K x 14 words) of Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM. The device operates at up to 32 MHz internal clock, integrates a 20-pin PDIP (0.300 inch, 7.62 mm) package, and targets 1.8V to 3.6V low-voltage applications including battery-powered IoT nodes, sensor interfaces, and consumer devices.
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die, allowing embedded products to replace discrete logic with programmable intelligence. Within the broader power-managed semiconductor taxonomy, an 8-bit PIC MCU sits below 16-bit dsPIC and 32-bit Cortex-M microcontrollers in processing capability, but it offers the lowest cost, lowest active and sleep current, and simplest toolchain for non-connectivity edge tasks. The PIC16F1xxx enhanced mid-range core adds Peripheral Pin Select (PPS), Core Independent Peripherals (CIPs), and the XLP nanoWatt sleep modes that define this generation.
Key differentiating features of the PIC16LF18344 include 7KB self-programmable Flash, 256 bytes EEPROM, up to 17 I/O pins, an integrated 10-bit ADC with computation, two comparators with 5-bit DAC references, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and four 16-bit timers. The Peripheral Pin Select module lets the user remap most digital peripherals to almost any I/O pin, which simplifies PCB layout and frees the MCU from pin-strict peripheral allocation. The CWG and NCO together provide high-resolution PWM and arbitrary waveform synthesis without CPU intervention, supporting motor control, lighting, and power-conversion loops.
The architecture combines a Harvard RISC core with a 14-bit instruction word, two-cycle hardware stack, and hardware multiplier. XLP technology delivers typical sleep currents of roughly 30 nA with the watchdog enabled and several hundred nA with the Real-Time Clock running, extending battery life in duty-cycled wireless sensor applications. The 32 MHz internal oscillator eliminates an external crystal on most designs, and the integrated temperature indicator and fixed-voltage reference simplify analog calibration.
Typical applications for the PIC16LF18344-E/P include low-power IoT sensor endpoints, wearable health monitors, remote controls, low-end lighting controllers, small appliance user interfaces, and battery-backed metering products. The DIP-20 package specifically supports prototyping, hobby projects, through-hole manufacturing, education labs, and pre-production builds that benefit from socketed or hand-solderable parts.
When designing with the PIC16LF18344-E/P, keep VDDCORE decoupling within 5 mm of the dedicated pin pair, place the 0.1 uF VDD bypass first in the layout, and route the ICSPDAT/ICSPCLK pair to a 5-pin in-circuit programming header for field updates. PPS reassignment should be locked in code before peripheral initialization to avoid glitching on remapped outputs.
This page consolidates distributor pricing as of 2026-09-24, verified drop-in alternatives in the same 20-pin PDIP footprint, and practical design notes not found in the manufacturer datasheet, giving buyers and engineers a faster path from selection to production.
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