PIC16LF1823-I/SL
PIC16LF1823-I/SL - 8-bit 32MHz XLP MCU 3.5KB Flash | Microchip
The Microchip Technology PIC16LF1823-I/SL is an 8-bit PIC microcontroller from the enhanced mid-range family featuring eXtreme Low Power (XLP) technology, offering 3.5KB of Flash program memory, 128 bytes of RAM, and a 32MHz internal oscillator in a 14-pin SOIC package. It integrates 12 I/O pins, supports an operating voltage range of 2.5V to 3.6V (LF variant), and executes instructions in 200ns, providing PIC RISC architecture performance for low-power embedded designs.
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, RAM, peripherals, and I/O onto one die, executing one instruction per cycle under a RISC architecture. The PIC16LF1823 sits within the PIC16 enhanced mid-range taxonomy: PIC16 -> mid-range 8-bit family -> PIC16F1xxx enhanced mid-range -> eXtreme Low Power (XLP) subset. The XLP designation indicates optimized sleep currents below 50 nA typical, making this part ideal for battery-powered IoT nodes, sensor peripherals, and remote controls where quiescent current dominates battery life.
Key features include the 32MHz internal oscillator (eliminating external crystals in many designs), 3.5KB Flash self-programmable memory, 128 bytes SRAM, 256 bytes EEPROM, an integrated 10-bit ADC, comparators, PWM modules, EUSART, and I2C/SPI. The XLP technology achieves sleep currents below 100 nA with retention, enabling multi-year coin-cell operation. The 14-pin SOIC package (SL suffix) provides hand-solder-friendly through-hole-compatible footprints and operates across the standard -40C to +85C industrial range, supporting consumer and industrial temperature applications.
The PIC16LF1823 uses a Harvard-architecture RISC core with a 14-bit instruction word and 200ns instruction execution at 20MHz, while the LF (low-voltage F) process variant extends operational efficiency at 1.8V-3.6V supply. Core-independent peripherals (CIPs) such as the Configurable Logic Cell (CLC), Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG) offload tasks from the CPU, further reducing active-mode power consumption and enabling deterministic peripheral operation without waking the core.
Typical applications include battery-powered IoT sensor nodes, remote controls, low-power wireless peripherals, energy harvesting designs, wearable health monitors, smart metering, and consumer electronics with segmented LCD or LED interfaces. The compact 14-pin footprint suits space-constrained designs where PCB real estate is at a premium.
When designing with this part, ensure decoupling capacitors of at least 100nF are placed within 5mm of the VDD pin, and that unused I/O pins are configured as outputs to minimize shoot-through current. The LF process variant requires supply voltages strictly within 1.8V-3.6V (extended from 2.5V-3.6V typical); for designs targeting 5V operation, select the PIC16F1823 (standard F variant) instead.
This page synthesizes XAIPART distributor pricing, Microchip family drop-in alternatives (PIC16F1823-I/SL, automotive-grade variants), and practical low-power design notes not collated in the manufacturer datasheet, providing a unified engineering reference for the PIC16LF1823-I/SL.
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