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PIC18LF24K42-I/SS - 8-bit MCU, 16KB Flash, XLP, 28-SSOP
PIC18LF24K42-I/SS

PIC18LF24K42-I/SS - 8-bit MCU, 16KB Flash, XLP, 28-SSOP

The Microchip PIC18LF24K42-I/SS is an 8-bit PIC18 RISC microcontroller in the 28-pin SSOP package, featuring 16 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM. It runs up to 64 MHz and integrates rich analog peripherals including a 12-bit ADC2 with Computation, a 5-bit DAC, two comparators, an 8-bit DAC reference, and multiple PWM/CWG/CCP/CCP modules. The "LF" prefix designates the F-variant low-voltage core (1.8 V-3.6 V) while the standard PIC18F24K42 covers 2.3 V-5.5 V. An 8-bit PIC microcontroller is a Harvard-architecture CMOS device using a 16-bit instruction word with an 8-bit data path. The PIC18 family is Microchip's high-performance tier, adding linear addressing, C-friendly instruction set extensions, hardware multiply, vectored interrupts, DMA, and Direct Memory Access (DMA) between peripherals and RAM - all while preserving the classic PIC ease-of-use ecosystem of MPLAB X, XC8, and a huge library of application notes. Key features of the PIC18LF24K42-I/SS include eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents below 50 nA typical, zero-crossing detection, a windowed watchdog timer (WWDT), configurable logic cell (CLC), and on-chip capacitive touch (CVD) hardware. Peripherals also include two I2C, two SPI, one UART with LIN, and a 12-bit differential ADC supporting up to 35 channels. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, industrial sensor signal conditioning, capacitive touch user interfaces, and automotive body controllers (where the AEC-Q100 Q-grade part is preferred). The device is supported by MPLAB X IDE, MPLAB Code Configurator (MCC), XC8 compiler, and PICkit. Design with the PIC18LF24K42-I/SS by enabling the brown-out reset, placing a 1 uF decoupling capacitor on every VDD pin, and following Microchip AN1078 SSOP-28 land-pattern guidelines. For sleep-dominated duty cycles the LF core reduces quiescent current by an order of magnitude versus the F variant at the same 3.3 V rail.

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PIC18LF24K42T-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-28
PIC18LF24K42T-I/ML

PIC18LF24K42T-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-28

The Microchip Technology PIC18LF24K42T-I/ML is an 8-bit PIC18 XLP (eXtreme Low-Power) microcontroller built around an enhanced Harvard RISC core, delivering up to 64 MHz of CPU performance with 16 KB of Flash program memory (8K x 16), 1 KB of SRAM and 256 bytes of EEPROM, all packaged in a 28-pin 6x6 mm QFN with an exposed thermal pad (ML suffix, Tape & Reel). It is a member of the PIC18(L)FxxK42 family and is targeted at ultra-low-power embedded designs that require generous on-chip analog and digital peripherals. A microcontroller (MCU) is a single-chip computer integrating a CPU, non-volatile program memory, working RAM, and a configurable set of peripherals such as ADCs, timers, PWM modules and communication interfaces. The PIC18LF24K42 specifically belongs to the 8-bit PIC18 XLP family - a tier designed for battery-powered applications where nanoWatt eXtreme Low-Power technology (XLP), deep sleep currents in the nanoampere range, and integrated Core Independent Peripherals (CIPs) allow the device to remain responsive while consuming minimal energy. Key features include an integrated 12-bit ADC with Computation (ADC2), a 5-bit/8-bit DAC, two comparators, an 8-bit configurable timer, multiple PWM/Capture/Compare modules, a DMA controller, Vectored Interrupts, a Device Information Area (DIA) and a Memory Access Partition (MAP), plus CIPs such as the CWG, NCO, and configurable logic cells. The 28-QFN footprint exposes multiple ADC channels, UART/SPI/I2C peripherals, and a wide operating voltage from 1.8 V to 3.6 V typical for the LF variant, with XLP sleep currents below 100 nA in Retention mode. Typical applications include ultra-low-power IoT sensor nodes, consumer wearables, battery-powered medical monitors, touch and proximity user interfaces, and industrial sensor hubs that benefit from the integrated 12-bit ADC2 plus DMA, allowing the CPU to stay asleep while data is captured and transferred autonomously. When designing with this device, route the exposed pad (EP) of the QFN-28 to a properly sized ground copper pour to minimize thermal resistance and provide a low-impedance ground reference; confirm the LF voltage range (1.8-3.6 V) matches your battery chemistry, and use the MAP/DIA regions to lock the configuration words against unintended reprogramming. This page synthesizes verified distributor pricing, parametric drop-in alternatives sourced from Microchip's PIC18 family datasheet, and practical low-power design notes not aggregated elsewhere on the open web.

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PIC18LF24K42T-I/MV - 64MHz 16KB Flash 8-bit XLP MCU | Microchip
PIC18LF24K42T-I/MV

PIC18LF24K42T-I/MV - 64MHz 16KB Flash 8-bit XLP MCU | Microchip

The Microchip PIC18LF24K42T-I/MV is an 8-bit PIC18 XLP microcontroller with 16KB Flash, 1KB RAM, and 256B EEPROM, housed in a 28-pin UQFN (MV) 4x4mm package. It runs up to 64MHz, supports 25 I/O, and operates from 1.8V to 3.6V with the F (LF) low-voltage process. An 8-bit microcontroller (MCU) is a programmable processor with an 8-bit data path, internal Flash program memory, RAM, EEPROM, and on-chip peripherals. Within the broader semiconductor hierarchy, an MCU belongs to the microprocessor family, sits under microcontrollers alongside 16-bit and 32-bit devices, and is widely used for cost-sensitive, deterministic, low-power embedded control. Microchip's PIC18 family extends the baseline PIC16 architecture with 16-bit opcode instructions, hardware multiplier, and prioritized interrupts, while the K42 series adds high-resolution core-independent peripherals such as the 12-bit ADC with Computation (ADC2), Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), DMA, and Vectored Interrupt Controller. Key features include 16KB (8K x 16) Flash, 1KB SRAM, 256B EEPROM, 12-bit ADC2 with capacitive voltage divider support, 5-bit DAC, two op-amps, two comparators, DMA, Vector Interrupts, CLC, CWG, HLT (Hardware Limit Timer), PWM, CCP, and CIP (Core Independent Peripherals). The XLP designation delivers nanoWatt technology for deep sleep currents in the microamp range, making the device suitable for battery-powered designs. The PIC18LF24K42T-I/MV uses an enhanced Harvard architecture with a 16-bit program word and 8-bit data path, plus a C compiler-friendly instruction set. The 64MHz internal oscillator and 12-bit ADC2 with up to 24-channel input mux provide deterministic analog performance for sensor and touch applications. Typical applications include IoT sensor nodes, low-power battery devices, touch sensing, LED lighting controllers, and consumer electronics. The wide 1.8V-3.6V range supports single-cell Li-ion or two-AA battery designs. Designers should configure the PPS (Peripheral Pin Select) mapping early, as K42 devices allow almost any digital peripheral to be routed to most pins, simplifying PCB layout. The ADC2 requires the FVR module enabled for stable reference, and the ADC channel-to-pin mapping must be confirmed against the device pinout. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing an engineering reference for selection and BOM risk mitigation.

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PIC18LF24K42T-I/SO - 8-Bit XLP MCU, 16KB Flash, 64MHz | Microchip
PIC18LF24K42T-I/SO

PIC18LF24K42T-I/SO - 8-Bit XLP MCU, 16KB Flash, 64MHz | Microchip

The Microchip Technology PIC18LF24K42T-I/SO is an 8-bit PIC18 microcontroller from the XLP™ 18K family, delivering 64 MHz CPU performance with 16 KB (8K x 16) of Flash program memory in a 28-pin SOIC wide-body package. According to the manufacturer datasheet, it operates from 1.8 V to 3.6 V (LF variant), maintains full XLP functionality down to 1.8 V at 16 MHz and down to 2.5 V at 32 MHz, and includes 1 KB of SRAM and 256 bytes of EEPROM on-chip. The 'T' suffix indicates Tape and Reel packaging and the '-I' indicates the industrial -40 °C to +85 °C operating temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), non-volatile data memory (EEPROM), and a rich set of peripherals including timers, ADC, communication interfaces, and I/O. Within the broader semiconductor taxonomy, an MCU belongs to the embedded processing > microcontroller > 8-bit MCU hierarchy and is the central computing element in virtually every battery-powered or fixed-function electronic device. The 'LF' (Low-power / Low-voltage F) series specifically targets energy-constrained and portable designs where extended battery life is essential. Key differentiating features of the PIC18LF24K42 include Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Zero-Cross Detect (ZCD). These hardware blocks execute functions without CPU intervention, freeing the core for application code and reducing active-mode current. A 12-bit differential ADC with computation, a 10-bit DAC, and a Direct Memory Access (DMA) controller further reduce software overhead and enable deterministic peripheral behavior for real-time control loops. Typical applications include low-power IoT sensor nodes, battery-powered medical monitors, automotive body and interior modules, consumer appliances with capacitive touch sensing, and industrial sensor transmitters. The combination of XLP nanoWatt XLP technology, fast wake-up from sleep, and high-resolution analog peripherals also makes it well-suited for remote controls, wearables, and energy-harvesting systems where standby current in the order of hundreds of nA is critical.

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PIC18LF24K42T-I/SS - 8-bit 64MHz 16KB Flash MCU | Microchip
PIC18LF24K42T-I/SS

PIC18LF24K42T-I/SS - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18LF24K42T-I/SS is an 8-bit PIC microcontroller from the PIC18FxxK42 series operating up to 64MHz with 16KB of Flash program memory, 1KB of RAM and 256 bytes of EEPROM, housed in a 28-pin SSOP package. It integrates an extensive set of core independent peripherals (CIPs), high-resolution analog peripherals, on-chip DMA and vectored interrupts for deterministic real-time response. The LF prefix designates a low-voltage variant with a wide 1.8V to 3.6V supply range optimised for battery-powered XLP (eXtreme Low Power) applications. An 8-bit PIC microcontroller is a Harvard-architecture RISC MCU built around a 16-bit instruction word with single-cycle execution on most instructions. The PIC18 family represents the high-performance tier of Microchip's 8-bit portfolio, sitting above PIC16 and PIC10/12/16 in code density and peripheral integration. Within the power-management IC hierarchy it is classified as an MCU - a self-contained computing element that integrates CPU, memory, peripherals and interrupt logic on a single die, eliminating the need for external memory or glue logic. Key features include 25 general-purpose I/O pins, two I2C/SPI interfaces, two UART modules, 10 PWM channels, 10-bit ADC with up to 24 channels, comparators and a zero-cross detect. The DMA controller moves data between memory and peripherals without CPU intervention, leaving the core free for application logic. The XLP sleep mode drops current consumption to the sub-uA range, making the part attractive for always-on sensor nodes and battery-powered IoT endpoints. Typical applications include industrial sensor interfaces, low-power IoT nodes, USB-CDC bridge firmware, and small motor-control loops. When designing with this part, verify the SSOP-28 PCB land pattern against the IPC-7351 SSOP recommended footprint and ensure decoupling capacitance of at least 100nF is placed within 5mm of each supply pin. The internal 64MHz oscillator eliminates the need for an external crystal in most cost-sensitive designs, simplifying the BOM and reducing board area.

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PIC18LF24K50-E/ML - 8-bit USB MCU, 16KB Flash, 28-QFN | Microchip
PIC18LF24K50-E/ML

PIC18LF24K50-E/ML - 8-bit USB MCU, 16KB Flash, 28-QFN | Microchip

The Microchip PIC18LF24K50-E/ML is an 8-bit RISC PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 16 KB of Flash program memory, 2 KB of SRAM, and 256 B of EEPROM, housed in a 28-pin QFN (ML) surface-mount package. It executes instructions at 48 MHz with up to 16 MIPS throughput, integrates nanoWatt XLP extreme-low-power technology for sleep currents below 100 nA typical, and operates over a 1.8 V to 3.6 V supply range targeting battery-powered and USB bus-powered designs. A microcontroller (MCU) is a single-chip computer that combines a CPU, RAM, non-volatile program memory, and programmable peripherals. PIC18 microcontrollers use a 16-bit modified Harvard architecture with separate program and data buses plus a hardware multiplier, occupying the 8-bit segment of Microchip's product hierarchy (8-bit PIC -> 16-bit PIC24 -> 32-bit PIC32). Within that 8-bit family, the LF sub-line is the low-voltage, low-power variant built on enhanced Flash process technology for portable applications where supply current and standby drain dominate the energy budget. Key features include the integrated USB 2.0 full-speed transceiver with on-chip termination and pull-up generation (no external crystal required for USB), 25 I/O pins with peripheral pin select (PPS) flexibility, 10-bit ADC with up to 14 channels, two analog comparators, three timers, an EUSART, two MSSP ports for SPI and I2C (master and slave), and on-chip mTouch capacitive sensing hardware. The CTMU module supports time-based touch measurement and a peak 75 mA source/sink capability on selected pins enables direct LED drive without external drivers. Architecturally the part pairs a 16-bit instruction word Flash with a 16-by-16 hardware multiplier and a 31-level hardware stack, an unusual depth for an 8-bit core that simplifies deeply nested state machines. CIP (Core Independent Peripheral) blocks such as CLC, ECCP, and the NUM (Numerically Controlled Oscillator) let many control loops run without CPU intervention, freeing the core for communication and application logic. The LF suffix denotes the 1.8 V minimum Vdd variant. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost data loggers, sensor hubs with USB enumeration, and battery-powered consumer devices. The combination of integrated USB, XLP sleep modes, and PPS-based flexible I/O mapping is well suited to compact PCB designs that must wake on USB attach and consume minimal standby power. When designing with this device, pay attention to the USB bus-powering envelope: the internal 3.3 V regulator must have its decoupling capacitor within the recommended layout to avoid Vdd ripple exceeding USB signaling thresholds during heavy bus traffic. PPS mapping must be unlocked before runtime remapping to avoid silent configuration lockouts in production firmware, and the LF 1.8 V minimum supply requires care to keep regulated rails within tolerance during peak CPU bursts. This page synthesizes distributor pricing, drop-in same-family variants, and practical design guidance not found in the standalone Microchip datasheet, helping engineers select between the LF and F suffix variants, choose the correct QFN vs SPDIP footprint, and validate timing margins for full-speed USB enumeration.

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PIC18LF24K50-E/SP - 8-Bit 48MHz 16KB Flash USB MCU | Microchip
PIC18LF24K50-E/SP

PIC18LF24K50-E/SP - 8-Bit 48MHz 16KB Flash USB MCU | Microchip

The Microchip PIC18LF24K50-E/SP is an 8-bit PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 48 MHz CPU clock, 16 KB (8K x 16) Flash program memory, 2048 bytes SRAM, and 256 bytes EEPROM, housed in a 28-pin SPDIP (SP) through-hole package. The "LF" prefix denotes the low-power (F) variant with an extended supply range of 1.8V to 3.6V, ideal for battery-powered applications. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer whose arithmetic logic unit processes data 8 bits at a time. PIC18F/LF K50 devices sit in the higher-performance tier of Microchip's PIC18 family, adding nanoWatt XLP ultra-low-power technology, an integrated USB 2.0 full-speed transceiver (no external crystal or resistor needed for USB operation), and a C compiler-friendly RISC architecture. Within the broader taxonomy, this device belongs to: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18 K50 sub-family -> power management and connectivity oriented MCUs. Key features include a Harvard RISC architecture with 49 instructions (83 with extended instruction set), 16-level hardware stack, internal 48 MHz oscillator, 25 I/O pins, 14 ADC channels (10-bit), 2 analog comparators, 2 CCP/ECCP modules, two USART modules, one SPI/I2C MSSP, and a Charge Time Measurement Unit (CTMU) for touch sensing and capacitive measurement. The integrated USB module supports USB 2.0 full-speed (12 Mbps) device and Host/OTG modes with on-chip transceiver and internal pull-up resistors. Technically, the device uses a 2-stage instruction pipeline, 32 kHz to 48 MHz PLL clock chain from an internal 16 MHz HFINTOSC, and nanoWatt XLP sleep currents down to 20 nA typical. The on-chip CTMU enables capacitive touch and mTouch sensing without external analog ICs, while the mTouch software library accelerates firmware development. Programming is supported through ICSP (In-Circuit Serial Programming) and JTAG-compatible debug via ICD 3 / PICkit 3 / MPLAB SNAP, with no external crystal required for USB operation. Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB-to-UART bridges, USB sensor data loggers, low-power battery-powered IoT nodes with USB charging, capacitive touch human-machine interfaces (HMIs), industrial data acquisition with USB connectivity, and educational/development boards where through-hole SPDIP simplifies hand-soldering and breadboard prototyping. When designing with this part, ensure VDD decoupling uses 100 nF plus 4.7 uF bulk capacitors placed within 5 mm of the supply pins. The D+ and D+ lines must be routed as a 90-ohm differential pair with matching length and continuous ground reference, per USB 2.0 full-speed layout guidelines. Leave pin 12 (RA4/RC2) NC-free only if unused - it is multiplexed with the USB module. This page synthesizes distributor pricing, drop-in same-package alternatives (PIC18F24K50-E/SP, PIC18LF25K50-E/SP), and practical design notes not aggregated in the manufacturer datasheet.

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PIC18LF24K50-E/SS - 8-Bit 48MHz 16KB Flash USB MCU | Microchip
PIC18LF24K50-E/SS

PIC18LF24K50-E/SS - 8-Bit 48MHz 16KB Flash USB MCU | Microchip

The Microchip Technology PIC18LF24K50-E/SS is an 8-bit PIC18-family microcontroller with integrated full-speed USB 2.0, 16KB of flash program memory, 2048 bytes of RAM, 256 bytes of EEPROM, and a 48 MHz internal oscillator, housed in a 28-pin SSOP (5.30 mm body width) package with nanoWatt XLP extreme-low-power technology. The device operates from 1.8V to 3.6V on its core supply and is qualified to the -40C to +125C extended operating temperature range, suitable for industrial and consumer designs. A PIC18 microcontroller is a member of Microchip's 8-bit advanced RISC architecture family, used where deterministic instruction execution, low cost, and a rich peripheral set (USB, ADC, PWM, I2C/SPI, UART) are required. PIC18 sits within the broader hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> semiconductor IC. The 'F' flash-based variants are the dominant contemporary PIC18 family, replacing older ROM/EPROM parts. The 'LF' sub-family adds the nanoWatt XLP sleep modes that drop current to tens of nanoamps, critical for battery-powered designs. Key features include 25 digital I/O pins, a 10-bit ADC with up to 14 channels, two analog comparators, two 8-bit and one 16-bit timers, hardware USB 2.0 full-speed transceiver, and an internal 48 MHz oscillator that eliminates an external clock for USB. The 2048-byte RAM plus 16KB flash pairing is the typical balance for low-cost USB HID/CDC class devices, and the device's instruction set delivers up to 16 MIPS throughput. Architecturally, the PIC18LF24K50 uses a modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The integrated USB transceiver eliminates external USB PHY components, simplifying PCB routing and reducing BOM. The nanoWatt XLP technology includes multiple sleep modes (Idle, Sleep, Deep Sleep) and a real-time clock calendar mode that maintains timekeeping below 1 uA. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridge dongles, low-cost data loggers, and battery-powered sensor hubs. The wide operating voltage and low-power sleep modes make it particularly suitable for portable and wearable electronics. When designing with this part, note that the integrated USB requires precise PCB layout for the D+/D- traces (90 ohm differential impedance, matched length) and a 1.5 kohm pull-up resistor on D+ for full-speed signaling. The 'LF' variant has a lower maximum VDD than the 'F' variant (3.6V vs 5.5V), which constrains use in 5V systems. This page synthesizes distributor pricing, drop-in alternatives within the PIC18 K50 family, and PCB layout guidance that consolidates the manufacturer datasheet with practical design references.

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PIC18LF24K50-I/ML - 8-bit 48MHz USB MCU 16KB Flash | Microchip
PIC18LF24K50-I/ML

PIC18LF24K50-I/ML - 8-bit 48MHz USB MCU 16KB Flash | Microchip

The Microchip PIC18LF24K50-I/ML is a low-power 8-bit PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 16 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of Data EEPROM, housed in a 28-pin QFN (6x6 mm) package. It operates at up to 48 MHz clock speed from a 1.8V to 3.6V supply, making it part of the eXtreme Low Power (XLP) family. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data path, optimized for cost-sensitive embedded control where deterministic response, low power, and rich peripheral integration outweigh raw computational speed. The PIC18LF24K50 sits within the power management IC hierarchy as an embedded controller, integrating CPU core, memory, ADC, timers, and USB PHY on one die, replacing what would otherwise require multiple discrete components. Key features include 14 channels of 10-bit ADC, a 5-bit DAC, multiple Enhanced USART, I2C and SPI peripherals, and a USB 2.0 full-speed device transceiver that eliminates the need for an external PHY. The XLP nanoWatt technology provides typical sleep currents below 50 nA, making the part ideal for battery-powered designs. The 28-QFN package delivers a small 6x6 mm footprint with an exposed thermal pad for improved heat dissipation. Technically, the device uses Microchip's enhanced PIC18 Harvard RISC architecture with a 16-bit instruction word, providing C-compiler-friendly operation while retaining deterministic interrupt latency. The integrated USB module supports both HID and CDC classes natively, eliminating external firmware stacks and shortening time-to-market for USB peripherals. Typical applications include USB human-interface devices (keyboards, mice, game controllers), USB-to-UART bridges, portable medical sensors, low-power IoT sensor nodes, and industrial data-loggers with USB connectivity. The wide operating voltage range also supports 3.3V designs directly powered from lithium cells. Design consideration: ensure the VUSB pin is connected to a regulated 3.3V supply when USB is active, since the internal transceiver does not include a 3.3V LDO. Use a 100 nF decoupling capacitor adjacent to each VDD pin and connect the exposed pad to a solid ground pour for thermal and noise performance. This page synthesizes Microchip datasheet specifications, distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a complete decision-ready view of the part.

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PIC18LF24K50-I/SO - 16KB Flash, 48MHz 8-bit MCU | Microchip
PIC18LF24K50-I/SO

PIC18LF24K50-I/SO - 16KB Flash, 48MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF24K50-I/SO is an 8-bit PIC® XLP™ 18K family microcontroller featuring 16KB (8K x 16) of Flash program memory, 2KB of RAM, and a 48MHz internal oscillator, housed in a 28-pin SOIC (0.295"/7.50mm width) package with industrial-grade -40C to +85C temperature range. As a 'LF' variant, it operates across 1.8V to 3.6V supply rails, making it ideal for battery-powered and USB-powered applications. The device delivers up to 16 MIPS throughput via its enhanced RISC architecture and integrates a full-speed USB 2.0 transceiver, eliminating the need for an external USB PHY. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals. The PIC® 8-bit architecture belongs to the broader category of embedded microcontrollers, sitting under the hierarchy: microcontroller -> embedded processor -> semiconductor IC. The 'LF' prefix designates low-voltage operation; the 'K50' sub-family adds nanoWatt XLP™ extreme-low-power technology and integrated USB; the '18' indicates the 16-bit instruction width with 8-bit data path typical of PIC18 devices. Key differentiating features include the integrated USB 2.0 full-speed transceiver (12 Mbps), 25-channel 10-bit ADC with auto-acquisition, 2 CCP/ECCP modules, 2 MSSP (I²C/SPI) modules, 1 enhanced USART with LIN support, and nanoWatt XLP sleep currents as low as 20 nA typical. The 28-pin SOIC package provides ample I/O while remaining hand-solderable, well-suited to prototype and low-volume production environments. Hardware interrupt handling and a vectored interrupt structure support real-time embedded designs. The architecture combines a Harvard-bus RISC core with C-compiler-friendly instruction set, multiple clock sources (HFINTOSC, LFINTOSC, EC, HS, RC), and configurable oscillator modes for power-versus-speed trade-offs. Charge time measurement unit (CTMU) supports touch sensing and capacitive measurement applications, and the integrated USB module streamlines HID, CDC, and vendor-class firmware. Power-saving features such as alternate-run, doze, idle, and sleep modes allow designers to optimize energy profiles per peripheral. Typical applications include USB human-interface devices (HID mice/keyboards), USB-to-BRD bridges, sensor hubs, low-power IoT endpoints, industrial data loggers, and consumer peripherals. The wide operating voltage and -40C to +85C industrial range also suit point-of-sale terminals and metering equipment. The integrated USB makes the part especially attractive when board area for an external transceiver must be eliminated. When designing with this device, ensure proper decoupling (100 nF ceramic on VDD and a 4.7uF bulk on AVDD) and that the USB VBUS pin voltage is conditioned to remain within 3.6V on this 'LF' variant. The 48 MHz internal oscillator typically eliminates the need for an external crystal for non-USB-critical timing; USB operation still requires a 48 MHz ±0.25% clock source. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF24K50-I/SP - 16KB Flash XLP 8-bit MCU, 28-SPDIP | Microchip
PIC18LF24K50-I/SP

PIC18LF24K50-I/SP - 16KB Flash XLP 8-bit MCU, 28-SPDIP | Microchip

The Microchip Technology PIC18LF24K50-I/SP is an 8-bit PIC18 family microcontroller with 16KB Flash, 2KB RAM and a 48 MHz internal oscillator, housed in a 28-pin SPDIP package. It targets USB-connected, low-power embedded applications with the eXtreme Low Power (XLP) technology suite and integrated full-speed USB 2.0 transceiver. The "LF" prefix designates the 1.8V–3.6V core voltage variant, paired with the "I" industrial -40C to +85C temperature range. An 8-bit PIC microcontroller is a compact, deterministic processor built on a Harvard RISC architecture, optimized for low-power, real-time control. Microcontrollers sit within the broader hierarchy of microprocessors -> embedded controllers -> MCUs, and the PIC18 sub-family is positioned as the high-pin-count, peripheral-rich tier within Microchip's 8-bit portfolio. Because of its built-in USB and XLP idle modes, the PIC18LF24K50 occupies the niche formerly served by combining an MCU with an external USB PHY and a separate low-dropout regulator. Key specs of this device include 16KB Flash program memory (8K x 16 words), 2KB SRAM, 256 bytes of EEPROM, 25 I/O pins, a 10-bit ADC with up to 14 channels, two analog comparators, two 8-bit timers and three 16-bit timers, plus two PWM modules. The integrated USB 2.0 full-speed transceiver supports 12 Mbps with internal pull-up and on-chip transceiver, eliminating the need for an external PHY or USB-specific power switch. Sleep current is specified in the nanoWatt XLP range, enabling years of battery life in interrupt-driven designs. Technically, the PIC18LF24K50 uses an enhanced PIC18 CPU with 16-bit wide instructions, 8-bit data path and a hardware multiplier. The 48 MHz internal oscillator drives the system clock and USB module via a phase-locked loop, removing the need for an external crystal in USB applications. The on-chip regulator supports bus-powered operation directly from the 5V VBUS line through an internal 3.3V LDO. Typical applications include USB HID peripherals such as keyboards and mice, USB-to-UART bridges, USB sensor dongles, low-power data loggers, industrial control panels with USB service port, and battery-powered IoT nodes. The USB transceiver and XLP sleep modes make it well suited to designs that spend most of their time in deep sleep and wake on interrupt or USB attach. When designing with this part, ensure that VDD is bypassed with a 100 nF ceramic capacitor close to each VDD/AVDD/VBUS pin pair, and verify that the internal USB regulator is configured correctly for self-powered versus bus-powered topologies. The industrial -40C to +85C operating range makes it suitable for outdoor enclosures and most factory environments, but for automotive use the AEC-Q100 qualified PIC18F24K50 family variants should be specified instead. This page consolidates current distributor pricing, verified same-package drop-in alternatives, and engineering design guidance that goes beyond what is in the standalone datasheet.

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PIC18LF24K50T-I/ML - 16KB Flash, 48MHz USB MCU | Microchip
PIC18LF24K50T-I/ML

PIC18LF24K50T-I/ML - 16KB Flash, 48MHz USB MCU | Microchip

The Microchip Technology PIC18LF24K50T-I/ML is a low-power 8-bit PIC18 microcontroller with integrated USB 2.0 full-speed transceiver, 16 KB of Flash program memory, and 48 MHz internal oscillator performance, housed in a 28-pin QFN package with exposed pad. It combines Microchip's nanoWatt XLP extreme-low-power technology with on-chip USB, eliminating the need for an external crystal for USB operation. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that integrates a CPU, RAM, non-volatile program memory, and peripherals. The PIC18 family belongs to the broader category of microcontrollers -> embedded microcontrollers -> CMOS RISC microcontrollers -> semiconductor ICs. The 'LF' prefix indicates a wide-voltage, low-power variant supporting 1.8V to 3.6V operation; the 'F' (PIC18F) variants run at 2.0V to 5.5V. The K50 family is purpose-built for USB connectivity applications. Key features include 16 KB self-programmable Flash, 2 KB SRAM, 256 B EEPROM, a 10-bit ADC with up to 14 channels, two analog comparators, three timers, two capture/compare/PWM modules, two UART, one SPI, one I2C, and one full-speed USB 2.0 transceiver. The device supports 48 MHz operation from its internal oscillator, achieving up to 12 MIPS throughput, and is available in industrial temperature grade (-40C to +85C). The architecture is built on Microchip's enhanced PIC18 Harvard RISC core with a 16-bit instruction word and hardware multiplier, enabling efficient C code execution. On-chip mTouch capacitive sensing support, nanoWatt XLP sleep modes (down to <100 nA typical), and on-board 3.3V LDO provide design flexibility for battery-powered and USB-bus-powered applications. Typical applications include USB Human Interface Devices (HID) such as keyboards, mice, and game controllers, USB-to-UART bridge dongles, low-cost USB sensor nodes, capacitive touch human-machine interface panels, and battery-powered data loggers. According to Microchip's datasheet, the integrated USB transceiver eliminates the typical external 12 MHz crystal on USB designs. When designing with the PIC18LF24K50T-I/ML, ensure the exposed thermal pad is soldered to a sufficient copper pour for thermal dissipation and ground integrity. The /T suffix indicates tape-and-reel packaging for high-volume SMT assembly lines. Developers can program and debug using Microchip's MPLAB X IDE with the PICkit 3/4 or MPLAB Snap tools. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF24K50T-I/SO - 8-bit USB MCU, 16KB Flash, 28-SOIC | Microchip
PIC18LF24K50T-I/SO

PIC18LF24K50T-I/SO - 8-bit USB MCU, 16KB Flash, 28-SOIC | Microchip

The Microchip PIC18LF24K50T-I/SO is an 8-bit PIC18 microcontroller with integrated USB 2.0 full-speed transceiver, 16 KB Flash program memory, and 48 MHz internal oscillator, housed in a 28-pin SOIC wide-body package supplied on tape and reel. It belongs to the PIC18 "K50" sub-family, which is purpose-built for low-cost USB device and embedded host applications, and operates across the 1.8 V to 3.6 V "LF" voltage range that targets battery-powered designs. An 8-bit PIC microcontroller is a single-chip computer built on a Harvard-architecture RISC core optimised for deterministic I/O, low power, and ease of programming through the PIC instruction set. Within the broader taxonomy, the PIC18 LF series sits under microcontrollers -> 8-bit MCUs -> PIC microcontrollers -> semiconductor ICs. These devices integrate CPU, non-volatile Flash, SRAM, EEPROM, and rich peripherals (ADC, PWM, USB, UART, I2C, SPI) into one package, replacing many discrete logic and analog functions. Key features of the PIC18LF24K50 include: a built-in USB 2.0 full-speed transceiver with on-chip pull-up/pull-down resistors and internal 3.3 V regulator; 16 KB self-programmable Flash, 2 KB SRAM, and 256 bytes EEPROM; 25 I/O pins with individual weak pull-up and interrupt-on-change; a 10-bit ADC with up to 14 channels; two analog comparators; an Enhanced USART, MSSP (SPI/I2C), and two CCP/ECCP modules; nanoWatt XLP deep-sleep currents down to a few nanoamps; and a 48 MHz internal RC oscillator with PLL for 12 MIPS instruction throughput. Architecturally, the PIC18 K50 uses a 16-bit instruction word with 8-bit data path, a hardware multiply, and a flexible 31-level stack, giving it significantly higher code density than the baseline PIC16 family. The integrated USB SIE handles packet framing, CRC, and endpoint buffering in hardware, leaving the CPU free for application code. The internal 48 MHz oscillator with 4x PLL eliminates external clock components in many USB designs. Typical applications include USB HID peripherals such as keyboards, mice, and game controllers; USB-to-UART bridges and CDC virtual COM ports; low-cost data loggers; sensor interface boards with USB diagnostic port; and educational/development boards where Flash self-programmability enables bootloader-based firmware updates. When designing with the LF variant, ensure VDD stays within 1.8 V to 3.6 V - the non-LF PIC18F24K50 supports 1.8 V to 5.5 V. The USB VBUS pin can power the device in bus-powered designs, but for self-powered boards add 100 nF + 4.7 uF bulk capacitance close to the VDD pins. Place the 28-SOIC exposed pad (if used) on a thermal pour tied to GND. This page synthesises distributor pricing, drop-in alternatives, and practical USB design notes that go beyond the manufacturer datasheet.

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PIC18LF2510-I/ML - 8-bit 32KB Flash MCU, 28-QFN | Microchip
PIC18LF2510-I/ML

PIC18LF2510-I/ML - 8-bit 32KB Flash MCU, 28-QFN | Microchip

The Microchip Technology PIC18LF2510-I/ML is a low-power 8-bit PIC18 microcontroller with 32 KB Flash program memory, 1536 bytes RAM, and 256 bytes EEPROM, housed in a 28-pin QFN (6x6 mm) package. It is built around an enhanced RISC architecture with 40 MHz maximum operating frequency (PIC24F equivalent family runs at lower MHz; PIC18LF2510 is rated for 40 MHz instruction throughput), supports 2.0 V to 5.5 V operation, and integrates nanoWatt Technology for ultra-low-power sleep modes. What is a microcontroller (MCU)? A microcontroller is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), non-volatile data storage (EEPROM), and programmable peripherals on one die. The PIC18F family from Microchip is an enhanced 8-bit architecture family: 8-bit MCU -> PIC18 family -> PIC microcontroller -> microcontroller -> semiconductor. Compared to 16-bit and 32-bit MCUs, 8-bit parts like the PIC18LF2510 typically deliver lower MIPS but lower cost, lower power, and simpler instruction sets for embedded control tasks. Key features include a 10-bit A/D converter with up to 11 input channels, multiple serial communication peripherals (USART, MSSP for SPI/I2C), a 16-bit timer/counter, and configurable I/O pins. The nanoWatt Technology suite adds ultra-low-power sleep, idle, and run modes suited to battery-driven products. Technically the PIC18LF2510 uses Microchip's enhanced Harvard architecture with separate program and data buses, an 8-bit data path, and 16-bit instructions, achieving approximately 10 MIPS at 40 MHz. The wide 2.0-5.5 V operating range lets it interface directly to 3.3 V and 5 V sensors without level shifters. Typical applications include industrial sensor nodes, battery-powered data loggers, automotive body and chassis subsystems, low-power portable instruments, and consumer white goods that need an 8-bit MCU with generous Flash headroom and analog integration. When designing with this part, ensure decoupling with a 100 nF ceramic capacitor on each VDD/AVDD pin, and use a regulated supply when ADC accuracy is critical. The QFN-28 exposed pad must be soldered to a sufficient copper pour to meet the datasheet's thermal and electrical grounding requirements. This page synthesizes verified distributor pricing, drop-in compatible alternatives, and practical design notes not consolidated on any single manufacturer page, giving engineers a one-stop procurement and reference resource.

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PIC18LF2510-I/SO - 40MHz 8-bit MCU 32KB Flash 28-SOIC | Microchip
PIC18LF2510-I/SO

PIC18LF2510-I/SO - 40MHz 8-bit MCU 32KB Flash 28-SOIC | Microchip

The Microchip Technology PIC18LF2510-I/SO is an 8-bit PIC18 RISC flash microcontroller running at up to 40 MHz, integrating 32 KB of on-chip program Flash and 1536 bytes of SRAM, housed in a 28-pin wide-body SOIC (SO) package. Operating from 2.0 V to 5.5 V, the part delivers 25 digital I/O pins, a 10-bit ADC with up to 11 channels, nanoWatt power management, and Microchip's standard PIC18 peripheral set including USART, MSSP (SPI/I2C), CCP and enhanced PWM modules. The 'LF' suffix indicates the low-voltage flash variant qualified for full 2.0 V operation across the entire frequency range, while the 'I' industrial temperature grade covers -40 °C to +85 °C. An 8-bit PIC microcontroller is a single-chip computer built around Microchip's RISC Harvard architecture. The PIC18 family sits between the legacy PIC16 mid-range parts and the 16-bit dsPIC DSC devices, offering 16-bit wide program words, 8-bit data, an 8x8 hardware multiplier, and a 31-level hardware stack. This class of MCU is a hypernym of 'microcontroller' into 'microcontroller IC' into '8-bit MCU' into 'PIC18' into 'PIC18F2x1x'; functionally it remains one of the simplest and lowest-power paths to deterministic embedded firmware. Compared to 32-bit MCUs, PIC18 parts trade raw throughput for predictable interrupt latency, very small code footprint, and decades of stable toolchain support. The most differentiating electrical features are 32 KB self-programmable Flash, 1536 bytes of SRAM, 256 bytes of EEPROM, 25 mA sink/source per I/O, a 10-bit A/D converter, nanoWatt dynamic power management with multiple idle/sleep states, and on-chip In-Circuit Serial Programming (ICSP) plus In-Circuit Debug (ICD). The 40 MHz oscillator delivers 10 MIPS of throughput, which is sufficient for typical consumer, sensor, and motor-control loops. The architecture combines a RISC CPU with separate program Flash and data EEPROM buses, an 8-level hardware multiplier for DSP-style operations, and a flexible interrupt controller supporting two priority levels. The advanced peripheral set on the SO-28 pinout exposes USART, MSSP, CCP/ECCP, and comparator modules that map cleanly to common mixed-signal interfaces. Typical applications include consumer appliance control, HVAC thermostat and sensor interfaces, low-power remote sensor hubs, industrial control logic, USB/HID interface co-processors, and small motor-control boards. The wide 2.0 V-5.5 V range also makes the part well suited to battery-powered or 3.3 V regulated-rail designs. When designing with the PIC18LF2510-I/SO, plan decoupling on VDD/AVDD/VSS and keep analog reference traces short; the 28-pin SOIC offers larger thermal copper area than SSOP, easing high-current I/O designs and simplifying hand-prototyping compared to QFN equivalents. Engineers evaluating migration paths from PIC16 mid-range parts should note the PIC18's extended instruction set, 16-bit program word, and increased interrupt priority capability. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are stated 'as of 2026-09-28' from current distributor listings and may vary by quantity break.

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PIC18LF2510-I/SP - 8-bit 40MHz MCU 32KB Flash 28-SPDIP | Microchip
PIC18LF2510-I/SP

PIC18LF2510-I/SP - 8-bit 40MHz MCU 32KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC18LF2510-I/SP is an 8-bit PIC18 RISC microcontroller with 32 KB (16K x 16) of Flash program memory, 1.5 KB of RAM, and a 40 MHz maximum CPU clock, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package with industrial -40C to +85C temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and programmable peripherals into one IC. The PIC18 family implements an enhanced 8-bit Harvard RISC architecture with a modified instruction set optimized for C compiler code density, and the LF prefix denotes the low-voltage variant that operates across 2.0V-3.3V (and 5V tolerant) supplies, targeting battery-powered and nanoWatt energy-sensitive designs. Key features include 32 KB Flash program memory organized as 16K x 16 words, 1.5 KB SRAM, 256 bytes of EEPROM, ten 10-bit ADC channels, two analog comparators, one 8-bit and three 16-bit timers, a 9-bit addressable Enhanced USART, MSSP supporting SPI and I2C (master/slave), two Capture/Compare/PWM modules, and a parallel slave port. The nanoWatt power-managed core offers idle, sleep, and ultra-low-power wake-on-interrupt modes with currents as low as the microampere range. Architecturally, the device combines a 16-bit instruction word with an 8-bit data path, an internal PLL-derived oscillator, and a vectored interrupt controller. Hardware multipliers and bit-oriented instructions accelerate peripheral configuration, while ICD/ICSP in-circuit debug support streamlines firmware development with PICkit 3, MPLAB ICD 3, and MPLAB X IDE. Typical applications include industrial sensor nodes, motor control signal conditioning, low-power remote controls, battery-backed instrumentation, and consumer white-goods interfaces. The 28-pin SPDIP form factor is widely used for prototype development, hobbyist projects, and through-hole production assemblies. When designing with this MCU, note that the LF low-voltage rating (down to 2.0V) differentiates it from the standard PIC18F2510 (4.2V-5.5V); verify the supply rail matches the LF specification. Always configure unused pins as outputs and disable unused peripherals to minimize sleep current. This page synthesizes distributor pricing, drop-in compatible same-package PIC18 variants, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF2510T-I/SO - 8-bit 25MHz 32KB Flash MCU | Microchip
PIC18LF2510T-I/SO

PIC18LF2510T-I/SO - 8-bit 25MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18LF2510T-I/SO is an 8-bit PIC18 RISC microcontroller delivering up to 25 MIPS performance from a 25 MHz internal oscillator, packaged in a 28-pin SOIC (SO) wide-body tape-and-reel format. The part integrates 32 KB of Flash program memory, 1.5 KB of RAM, and 256 bytes of EEPROM, and operates from a wide 2.0 V to 5.5 V supply suitable for both 3.3 V and 5 V systems. What is an 8-bit microcontroller? An 8-bit MCU (microcontroller unit) is a small computer-on-a-chip that combines a CPU, RAM, Flash/ROM program memory, and peripherals (ADC, timers, UART, I/O) on a single die. It belongs to the broader hierarchy of microcontroller -> embedded controller -> microprocessor -> integrated circuit -> semiconductor. The 8-bit data path is optimal for cost-sensitive, low-power control tasks where deterministic behaviour and ease of programming outweigh raw throughput. Key features include a 10-bit ADC with up to 16 input paths, nanoWatt Technology for power-managed sleep modes, an enhanced 16-bit instruction set with 16-bit-wide instructions, and Microchip's ICD (in-circuit debugger) support. The Flash memory is self-programmable, enabling field firmware updates. The SOIC-28 footprint offers robust mechanical handling and easy hand-soldering for prototyping. The PIC18LF2510 uses Microchip's Harvard-architecture RISC core with a 16-bit instruction word and 8-bit data path, two address spaces, hardware multiplier, and priority-level interrupts. NanoWatt Technology provides idle, sleep, and low-power modes that drop current consumption dramatically between active intervals, making the device attractive for battery-powered or energy-harvesting designs. Typical applications include industrial sensor interfaces, motor-control front-ends, low-cost instrumentation, automotive body electronics (non-safety), and consumer appliance controls. The 16 ADC channels suit multi-sensor acquisition nodes. When designing with this device, ensure that the supply decoupling network places a 100 nF capacitor adjacent to VDD and a bulk capacitor on the AVdd rail to keep ADC noise within datasheet limits.

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PIC18LF2515-I/SO - 40MHz 8-bit MCU, 48KB Flash | Microchip
PIC18LF2515-I/SO

PIC18LF2515-I/SO - 40MHz 8-bit MCU, 48KB Flash | Microchip

The Microchip Technology PIC18LF2515-I/SO is an 8-bit PIC18F-family flash microcontroller built on Microchip's enhanced RISC architecture, offering up to 40 MHz operation, 48 KB of flash program memory and 1.5 KB of RAM in a 28-pin SOIC wide-body (SOIC-28 / 0.295") package. It is one of the PIC18F2x1x/4x1x family devices with 25 I/O lines, dual Capture/Compare/PWM modules (one with Auto-Shutdown) and a 10-bit A/D converter with up to 11 channels. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, working RAM, non-volatile storage and a rich set of digital and analog peripherals. PIC18F devices sit in Microchip's 8-bit mid-range family between the baseline PIC10/16 and the 16-bit dsPIC/PIC24 families, and are widely used where deterministic low-power control is more important than raw computational throughput. The "LF" suffix indicates a wide-voltage part that runs from 2.0 V to 5.5 V (per Microchip PIC18F2x1x/4x1x datasheet DS39606), while the plain PIC18F2515 is a 4.2 V to 5.5 V part. The "I" suffix denotes the industrial -40C to +85C operating range. Key features include nanoWatt Technology for ultra-low-power sleep modes, HLVD (High/Low Voltage Detect), Brown-out Reset (BOR), Power-on Reset (POR), a Watchdog Timer (WDT), I2C, an EUSART (addressable USART) and a master SPI port. In-System Programming (ICSP) is supported, allowing firmware updates without removing the MCU from the board, and the 28-pin SOIC-300-mil package gives enough pin count for keypad, LCD or motor-control front-ends while still hand-solderable. Architecturally, the PIC18F2515 uses an 8-bit data path with a 16-bit instruction word and a hardware 8x8 multiply, achieving up to 10 MIPS at 40 MHz. The 10-bit ADC can run with an internal RC reference, and the nanoWatt Technology modes reduce quiescent current to single-digit uA in sleep. Compared with older PIC16F parts, the PIC18F core adds linear memory, software-controlled interrupt priorities, and C-friendly pointer architecture, making it a strong fit for legacy firmware ports. Typical applications include industrial control panels, low-cost sensor hubs, building automation, USB-less human-interface boards, small appliance controllers, and educational/embedded learning kits. It is also a popular fit for migrating older PIC16F designs where more code space and a richer peripheral set are needed without leaving the 8-bit PIC toolchain. When designing with the PIC18LF2515-I/SO, verify Vdd decoupling with 100 nF + 10 uF near the supply pins and respect the 5.5 V absolute-maximum rating on the LF part when using an external analog reference. For MPLAB X IDE, select the PIC18F2515 toolchain and configure the configuration bits for the LF voltage range, oscillator mode and BOR-disabled table for in-system programming over ICSP. This page consolidates distributor pricing, drop-in 28-SOIC alternatives, and engineering design notes not always covered in the manufacturer datasheet.

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PIC18LF2515-I/SP - 8-Bit 40MHz 48KB Flash MCU | Microchip
PIC18LF2515-I/SP

PIC18LF2515-I/SP - 8-Bit 40MHz 48KB Flash MCU | Microchip

The Microchip PIC18LF2515-I/SP is a low-power 8-bit PIC18 microcontroller featuring 48KB of Flash program memory, 1536 bytes of RAM, and a 40 MHz maximum operating frequency, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package with industrial temperature grade (-40C to +85C). The device integrates a 10-bit ADC with up to 11 channels, multiple communication peripherals including EUSART, MSSP (SPI/I2C), and CAN, plus a 25-I/O count suitable for embedded control. Key features include a RISC Harvard architecture with 16-bit instructions and 8-bit data path, a wide 2.0V to 5.5V operating voltage range supporting both 3.3V and 5V designs, nanoWatt power management with multiple low-power modes (Idle, Sleep), and an internal 32 kHz oscillator with PLL for flexible clocking. The integrated CAN 2.0B peripheral makes the PIC18LF2515 a classic choice for legacy industrial networking. Architecturally, the PIC18LF2515 belongs to Microchip's PIC18 enhanced Mid-Range family, providing C-compiler friendly architecture with 75 instructions, hardware multiplier, and prioritized interrupts. The flash memory supports self-programming for bootloader-based firmware updates, and the device offers 256 bytes of EEPROM for non-volatile data storage. Typical applications include industrial automation controllers, CAN-node embedded systems, HVAC and building control, sensor signal conditioning hubs, and low-power consumer appliances. The wide voltage range and rich peripherals allow it to serve as a main MCU or as a peripheral slave in larger architectures. When designing with the PIC18LF2515, ensure your decoupling layout follows Microchip's analog and digital VDD/AVDD separation guidelines, and consider the ICD (In-Circuit Debug) header for development. Use MPLAB X IDE with XC8 compiler for firmware development. This page synthesizes distributor pricing, drop-in alternatives in the 28-pin SPDIP footprint, and practical design notes not found in the manufacturer datasheet.

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PIC18LF2515T-I/SO - 48KB Flash 8-bit MCU, 28-SOIC | Microchip
PIC18LF2515T-I/SO

PIC18LF2515T-I/SO - 48KB Flash 8-bit MCU, 28-SOIC | Microchip

The Microchip Technology PIC18LF2515T-I/SO is an 8-bit flash microcontroller based on the PIC18 enhanced RISC architecture, featuring 48KB of program Flash, 3,840 bytes of RAM, and a 256-byte data EEPROM, housed in a 28-pin SOIC package (300 mil) supplied on tape-and-reel. The part operates across 2.0V to 5.5V, supports a 40 MHz internal clock (10 MIPS), and integrates a 10-bit ADC with up to 11 channels alongside two analog comparators and a USART/CAN-ready peripheral set. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and I/O peripherals on a single die. Within the semiconductor taxonomy, an 8-bit MCU sits below 32-bit microcontrollers and microprocessors in raw computational throughput but excels in deterministic interrupt latency, low cost, and very low active/standby power draw. The PIC18 family specifically targets mid-range embedded designs that need more code space and peripherals than baseline PIC16 parts, while still retaining the classic PIC one-instruction-per-cycle RISC pipeline. Key features include the NanoWatt Technology power-managed modes (Run, Idle, Sleep), self-programmable Flash under firmware control, an ICD-friendly ICSP header, and a wide -40C to +85C industrial operating range. The 28-pin SOIC footprint balances ease of hand-soldering and reflow assembly with sufficient I/O count for typical sensor, motor-control, and human-interface front-ends. Architecturally, the device uses a 16-bit instruction word with an 8-bit data path, a hardware multiplier, and a vectored interrupt controller. Program memory is partitioned for bootloader overlays, and the EEPROM is byte-erasable for non-volatile parameter storage. The LF (low-voltage/F-version) silicon supports full-speed operation down to 2.0V, enabling single-cell Li-ion or 2x AA battery operation. Typical applications include industrial sensor conditioning boards, HVAC actuator controllers, low-cost CAN node endpoints (using an external MCP2515), battery-powered metering, and appliance front-panel MCUs that need more code space than PIC16 but do not justify a 32-bit MCU. The combination of generous 48KB Flash and NanoWatt modes makes this part well-suited to long-life, field-deployed products. When designing with this MCU, place a 100 nF decoupling capacitor within 3 mm of VDD and a bulk 10 uF tantalum or ceramic cap on the board input rail; keep the ICSP/PGD-PGC traces short and away from switching nodes to avoid in-circuit-debugger noise coupling. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes - including package-level PCB layout guidance - that go beyond the manufacturer datasheet body.

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PIC18LF252-I/SO - 8-Bit 40MHz PIC18 MCU 32KB Flash 28-SOIC | Microchip
PIC18LF252-I/SO

PIC18LF252-I/SO - 8-Bit 40MHz PIC18 MCU 32KB Flash 28-SOIC | Microchip

The Microchip Technology PIC18LF252-I/SO is an 8-bit RISC CMOS Flash microcontroller in the PIC18 family, delivering up to 10 MIPS throughput at a 40 MHz clock and packaged in a 28-pin SOIC (SO) wide-body IC package. It integrates 32 KB of Flash program memory (16K x 16 words), 1536 bytes of SRAM, and 256 bytes of EEPROM, alongside a 10-bit ADC, multiple timers, USART, MSSP (SPI/I2C), and 23 digital I/O pins. The device operates from a wide 2.0V to 5.5V supply, supporting battery-backed and 5V-regulated industrial designs with a single part. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash), data memory (RAM), and peripherals on one silicon die; the PIC18 family extends Microchip's baseline PIC architecture with 16-bit-wide instruction words and an enhanced instruction set to deliver roughly 4x the performance of PIC16 devices at the same clock. The "LF" suffix denotes an extended low-voltage part, and the "F" suffix indicates Flash program memory. Key features of the PIC18LF252-I/SO include 32 KB self-programmable Flash with 100K erase/write cycles endurance, an internal oscillator block, ICD (In-Circuit Debugger) support, nanoWatt power management with idle and sleep modes, and a 10-bit ADC with up to 5 channels. The 28-SOIC industrial-temperature range (-40C to +85C) is well-suited to factory-floor equipment and outdoor enclosures, while the wide supply range lets the same firmware serve both 3.3V and 5V rails. Typical applications include industrial control and sensor-interface boards, small home appliances, automotive body electronics subsystems, USB-to-UART bridges when paired with an external transceiver, and low-cost user-interface panels with character LCDs and keypads. The PIC18 instruction set's compact C-friendly architecture also makes this part a long-time favorite for legacy code migration and hobbyist projects. When designing with this device, allocate the ADC reference and AVdd pin filtering per the manufacturer datasheet, place a 100 nF decoupling cap on Vdd with a 10 uF bulk cap on the board, and confirm that the programming/debug header matches the ICSP pinout for the 28-pin SOIC variant. Engineering judgment is required to balance code size, ADC channels, and I/O count for your specific BOM. This page synthesizes distributor pricing from DigiKey and Mouser, drop-in replacement alternatives in the same 28-SOIC footprint, and practical design notes that are not collated on the manufacturer datasheet landing page.

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PIC18LF2520-I/ML - 32KB Flash 8-bit MCU 40MHz 28-QFN | Microchip
PIC18LF2520-I/ML

PIC18LF2520-I/ML - 32KB Flash 8-bit MCU 40MHz 28-QFN | Microchip

The Microchip Technology PIC18LF2520-I/ML is an 8-bit PIC18F-family CMOS flash microcontroller running up to 40 MHz (10 MIPS) and packaged in a 28-pin QFN (6x6 mm) with exposed thermal pad. It integrates 32 KB of Flash program memory (16K x 16), 1536 bytes of RAM, and 256 bytes of EEPROM in a 28-pin variant of the PIC18F2420/2520/4420/4520 family. An 8-bit microcontroller (MCU) is a single-chip computer that combines an 8-bit CPU, program memory (Flash), data memory (RAM), and a fixed set of peripherals (I/O ports, timers, ADC, communication blocks) into one IC. PIC18F-family devices sit in the hierarchy 8-bit MCU -> RISC flash MCU -> Microchip PIC18 -> 16-bit enhanced core with 77 instructions and hardware multiply, optimized for C compilers and small-footprint embedded control. Key features include 25 digital I/O pins, a 10-bit ADC with up to 10 channels (variant dependent), two analog comparators, two capture/compare/PWM (ECCP) modules, an MSSP (SPI/I2C) port, an enhanced USART, a 4-timer on hardware up to 16-bit TimerCount, nanoWatt power management, fail-safe clock switching between primary and internal 31 kHz-8 MHz RC oscillator, watchdog timer with dedicated RC oscillator, and in-circuit serial programming (ICSP) via two pins. The LF prefix denotes the wide-voltage operating range of 2.0 V to 5.5 V, allowing the device to be powered directly from a single-cell Li-ion, two AA cells, or a regulated 3.3 V or 5 V rail. Architecture is Harvard with separate program and data buses, 16-bit instructions, an 8 x 8 single-cycle hardware multiplier, and an interrupt controller with hardware context save/restore. The exposed pad on the 28-QFN (ML) package provides a low thermal resistance path for higher-frequency or higher-I/O-load designs. Typical applications include industrial sensor interfaces, low-power remote sensor nodes, USB-less HID peripherals, motor control signal conditioning, small appliances, smart metering, battery-backed instrumentation, and portable medical accessories. LF-series devices also suit automotive body and chassis sub-systems running at nominal 5 V or 3.3 V where AEC-Q100 is not required. When designing with this device, use MPLAB X IDE with the XC8 compiler and a PICkit 5 or ICD 5 for programming/debug. Place a 100 nF ceramic VML bypass capacitor as close as possible to each VDD/VSS pin pair and tie the exposed pad (EP) to the ground plane for thermal relief. This page synthesizes distributor pricing, drop-in alternatives, parametric comparisons, and practical design notes that go beyond the manufacturer datasheet to support sourcing, second-source qualification, and lifecycle decisions.

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PIC18LF2520-I/SO - 32KB Flash, 40MHz 8-bit MCU | Microchip
PIC18LF2520-I/SO

PIC18LF2520-I/SO - 32KB Flash, 40MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF2520-I/SO is a high-performance 8-bit PIC18 family CMOS microcontroller delivering up to 10 MIPS performance, packaged in a 28-pin SOIC (SO) with 32 KB of enhanced flash program memory, 1536 bytes of RAM, and 25 digital I/O pins. Operating from 2.0 V to 5.5 V across an industrial -40C to +85C range, the LF variant is optimized for low-voltage / battery-powered applications while remaining fully pin-compatible with the standard F variant. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. Within the broader taxonomy, the PIC18LF2520 belongs to: microcontroller -> 8-bit MCU -> PIC18 family -> enhanced flash MCU -> nanoWatt technology MCU -> semiconductor. The 'LF' prefix indicates the low-voltage silicon revision tuned by Microchip's nanoWatt process technology, which reduces active and sleep current consumption relative to standard F parts, making the LF line ideal for portable, battery-backed, and energy-harvesting designs where every microamp matters. Key differentiating features include a C compiler-optimized RISC architecture with 8x8 single-cycle hardware multiplier, 10-bit ADC with up to 10 channels, internal oscillator support from 31 kHz to 8 MHz, fail-safe clock monitor that allows safe shutdown if the clock fails, a separate RC watchdog timer, and nanoWatt power management with multiple idle/sleep modes. The wide 2.0 V to 5.5 V operating range also enables direct Li-ion or 2xAA battery operation without an external regulator. Typical applications include industrial control and sensor nodes, low-voltage consumer products, USB/serial bridging firmware platforms, automotive body electronics, and home appliance control boards where the LF silicon saves power and the standard 28-SOIC footprint eases through-hole-to-surface-mount migration. When designing with this part, ensure the MCLR reset circuit uses the proper 10 kohm pull-up, and place a 100 nF decoupling capacitor close to each VDD/VSS pair. Firmware is written in C using MPLAB X IDE with the XC8 compiler, then programmed via ICSP. This page synthesizes distributor pricing, drop-in alternatives, and design notes that are not aggregated in the manufacturer datasheet.

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PIC18LF2520-I/SP - 8-Bit 40MHz 32KB Flash MCU | Microchip
PIC18LF2520-I/SP

PIC18LF2520-I/SP - 8-Bit 40MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18LF2520-I/SP is an 8-bit PIC18 microcontroller running up to 40 MHz with 32 KB of program Flash and 1536 bytes of RAM, packaged in a 28-pin SPDIP. It is part of Microchip's Enhanced Flash Microcontroller family with 10-bit A/D and nanoWatt Technology, designed for high-performance and power-sensitive applications. What is a PIC18LF2520-I/SP? An 8-bit microcontroller is a single-chip computer that integrates a CPU, memory, and peripherals on a single die. The PIC18 family from Microchip Technology is a RISC (Reduced Instruction Set Computer) architecture family that sits above the PIC16 in capability, offering 16-bit wide instruction words, linear memory addressing, hardware multiply, and C-friendly extensions. The "LF" prefix indicates the Low-Voltage / Low-Power F (Flash) family capable of operating from 2.0V to 5.5V with nanoWatt power-saving features, while plain "F" variants typically require 4.2V minimum. The 2520 model within the LF family provides 32 KB Flash, 1.5 KB RAM, and 25 I/O pins, sitting in the mid-range of the PIC18F2520 sub-family. Key features include 32 KB (16K x 16) of Flash program memory, 1536 bytes of SRAM data memory, 256 bytes of EEPROM, 25 digital I/O pins, a 10-bit multi-channel Analog-to-Digital Converter (ADC), enhanced Capture/Compare/PWM modules, and nanoWatt Technology power management. The device supports operation from 2.0V to 5.5V, making it suitable for both 3.3V and 5V systems. Industrial temperature range -40C to +85C is supported via the "I" suffix. Technically, the PIC18LF2520 uses a modified Harvard architecture with separate program and data buses, a hardware 8-bit multiplier for DSP-like routines, and a 31-level deep hardware stack. Code is executed from Flash at 10 MIPS (10 million instructions per second) at 40 MHz clock. The 10-bit ADC supports up to 10 channels with automatic acquisition and conversion, suitable for sensor signal acquisition. Typical applications include industrial sensor interfaces, low-power remote control systems, consumer appliance control, USB-to-UART bridging (when combined with external transceiver), HVAC controllers, and battery-powered instrumentation. The nanoWatt features (Idle, Sleep, and dynamic oscillator switching) make it well suited to battery-backed designs. When designing with this part, ensure decoupling capacitors (100 nF and 10 uF) are placed close to VDD/VSS pairs. Program the device via ICSP (In-Circuit Serial Programming) using PGC/PGD/PGM pins. For 3.3V-only systems, prefer the "LF" variant over the plain "F" version to ensure full operation across the voltage range. This page synthesizes distributor pricing, drop-in PIC18 family alternatives in the same SPDIP-28 footprint, and practical design notes not found in the manufacturer datasheet alone.

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