PIC16LF1518T-I/SS
PIC16LF1518T-I/SS - 8-bit XLP MCU, 28KB Flash, 28-SSOP | Microchip
The Microchip Technology PIC16LF1518T-I/SS is an 8-bit PIC16-family RISC microcontroller featuring 28KB (16K x 14) of Flash program memory, 1024 bytes of SRAM, and 128 bytes of data EEPROM, housed in a 28-pin SSOP (0.209 inch / 5.30 mm body width) package. The device executes instructions at up to 20 MHz from its internal oscillator and integrates the eXtreme Low Power (XLP) technology that drives nanoWatt sleep currents below 100 nA typical, suiting it for battery-powered and energy-harvesting designs.
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, an ALU, on-chip program and data memory, and a configurable set of peripherals. PIC microcontrollers use a Harvard architecture with separate program and data buses and a RISC instruction set, which gives a deterministic instruction cycle and compact code density. Within the broader semiconductor taxonomy, the PIC16LF1518 sits at the 8-bit MCU node, under microcontrollers, under integrated circuits. The "LF" prefix denotes a wide-voltage silicon revision optimized for 1.8 V to 3.6 V operation, while the "F" siblings run 2.3 V to 5.5 V.
Key features include three 16-bit timers or Timer0/Timer1/Timer2 counters, two PWM modules with capture/compare/PWM capability, a 10-bit ADC, an 8-bit DAC, multiple communication peripherals (I2C, SPI, asynchronous EUSART), and up to 25 digital I/O lines. The PIC16LF1518 also includes support for In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) via the MPLAB Snap or PICkit 4 toolchains, allowing fast prototype iteration.
The architecture combines a 14-bit instruction word with a hardware multiplier, a 31-level deep hardware stack, and a vectored interrupt controller. Internal FRC oscillator trimming, brown-out reset, power-on reset, and an ultra-low-power watchdog complete the silicon. The 28-SSOP surface-mount package is RoHS compliant and rated -40 C to +85 C industrial operating range (the "I" suffix).
Typical applications include low-power remote sensors, IoT edge nodes, consumer white goods, handheld instruments, and small appliances where code density, low sleep current, and modest peripherals matter. Designers pair the PIC16LF1518 with companion ICs such as MCP1700 LDOs, MCP73831 Li-ion chargers, and MRF24J40 or RN2483 radio modules for connected battery nodes.
When designing with this MCU, budget for at least two decoupling capacitors (100 nF and 10 uF) close to VDD/VSS, an ICSP header (VPP, ICSPCLK, ICSPDAT, VDD, GND) to retain in-field re-programmability, and a layout that keeps the analog AVSS/AVDD pair isolated from digital switching traces. The PWM and ADC share internal resources, so simultaneous high-rate sampling and PWM outputs may require trade-offs.
This page synthesizes distributor pricing across Mouser, DigiKey, and Octopart, drop-in same-family alternatives, and practical design notes that the Microchip datasheet alone does not aggregate in a single place.
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