PIC18F14Q41-I/SS
PIC18F14Q41-I/SS - 8-bit 64MHz 16KB Flash MCU | Microchip
The Microchip Technology PIC18F14Q41-I/SS is an 8-bit RISC microcontroller from the PIC18-Q41 product family, featuring a high-performance PIC18 CPU core operating at up to 64 MHz, 16 KB of Flash program memory, 1 KB of SRAM, and 512 bytes of EEPROM, housed in a 20-pin SSOP package. The device integrates advanced analog peripherals including a 12-bit ADC with Computation (ADC2), two 8-bit DACs, an on-chip operational amplifier, comparators, a 16-bit PWM, and a 10-bit PWM, making it well suited to closed-loop sensor and real-time control applications. Per the Microchip product page, the Q41 family is positioned for compact designs where integrated analog replaces external signal-conditioning components, and the SSOP-20 footprint (208 mil body width) eases hand-soldering and breadboard prototyping.
A microcontroller (MCU) is an integrated circuit that combines a CPU, program and data memory, and configurable peripherals on one die. The 8-bit MCU class prioritises deterministic interrupt latency, low power consumption, and predictable I/O behaviour over raw computational throughput, and remains dominant in cost-sensitive embedded designs where the application fits within the address space. PIC18 devices extend the classic PIC16 instruction set with linear addressing and a larger register file, retaining the RISC-style single-cycle instruction execution that has defined the PIC architecture for decades. Within the broader power-management and embedded hierarchy, PIC18F14Q41 belongs to the microcontrollers segment, with deep ties to the wider Microchip 8-bit and 16-bit dsPIC ecosystem.
Key features include up to 64 MHz operation from a 1.8 V to 5.5 V supply, on-chip op-amp and zero-cross detector, multiple communication interfaces (UART, SPI, I2C), up to 18 I/O pins, and integrated Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU. The device supports in-circuit serial programming (ICSP) via high-voltage or low-voltage interfaces, enabling firmware updates in the field without package removal.
Architecturally, the PIC18F14Q41 uses a Harvard architecture with separate program and data buses, a hardware multiplier, and an 8-level deep hardware stack. The ADC2 peripheral performs automated averaging, threshold comparisons, and burst-mode sampling, reducing firmware overhead for sensor acquisition. The integrated op-amp can be routed to the ADC input or comparator, eliminating an external amplifier stage in many sensor-interface designs.
Typical applications include industrial sensor conditioning, building automation, lighting control, low-cost motor control, and battery-powered IoT edge nodes. The wide 1.8 V to 5.5 V supply range supports direct connection to single-cell Li-Ion or 3.3 V system rails.
When designing with this device, allocate decoupling capacitance close to VDD and AVSS pins, route analog signals away from switching nodes, and follow Microchip's Q41 family layout guidelines to minimise ADC noise pickup.
This page synthesises distributor pricing, drop-in same-package alternatives, and practical design notes not aggregated on the manufacturer product page or individual distributor listings.
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