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PIC18LF26K40-I/SP

PIC18LF26K40-I/SP - 8-Bit 64MHz MCU 64KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC18LF26K40-I/SP is an 8-bit RISC PIC18 microcontroller with a 64MHz CPU core, 64KB (32K x 16) of Flash program memory, and 1KB of Data EEPROM, housed in a 28-pin SPDIP (SP) through-hole package. The 'LF' prefix denotes the low-voltage/F-version silicon (1.8V-3.6V VDD) while the 'I' suffix indicates the industrial temperature grade (-40C to +85C). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripheral interfaces on one die. The PIC18LF26K40 belongs to the PIC18 microcontrollers > 8-bit MCU > embedded processor > microcontroller hierarchy within Microchip's eXtreme Low Power (XLP) family, a category engineered for battery-powered and energy-harvesting applications where quiescent current directly governs battery life. Key features include 4KB RAM, 256B EEPROM, 24 channels of 10-bit ADC, a 5-bit DAC, two comparators, PWM, CCP, CWG (Complementary Waveform Generator), HLT (Hardware Limit Timer), WWDT (Windowed Watchdog Timer), SCAN/CRC, ZCD (Zero-Cross Detection), PPS (Peripheral Pin Select), EUSART, and SPI/I2C. The device operates from 1.8V to 3.6V, delivering 64MHz of CPU performance at low power thanks to nanoWatt XLP technology with deep-sleep currents in the nanoampere range. Architecturally, the PIC18LF26K40 uses an enhanced Harvard RISC core with 49 instructions and a 16-level hardware stack, augmented by Peripheral Pin Select (PPS) which allows remapping of digital peripherals to a wide range of I/O pins, easing PCB layout. The integrated 10-bit ADC with up to 24 channels enables direct connection to multiple analog sensors, while the 5-bit DAC supports setpoint generation, trimming, and analog bias control without external components. Typical applications include low-power IoT sensor nodes, battery-operated consumer appliances, industrial control panels, smart metering, LED lighting control, and USB-to-UART bridge adapters in compact through-hole form factors. The wide analog integration (ADC/DAC/comparators) suits mixed-signal designs where discrete op-amps and ADCs would otherwise inflate BOM cost and PCB area. When designing with the PIC18LF26K40, ensure the VDD rail stays within 1.8V-3.6V and add decoupling (100nF plus 10uF bulk) on every supply pin. PPS routing must be configured in firmware before the corresponding peripheral is enabled; an unconfigured PPS can leave a peripheral electrically disconnected. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the bare datasheet.

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PIC18LF26K40-I/SS

PIC18LF26K40-I/SS - 64KB Flash XLP 8-bit MCU | Microchip

The Microchip Technology PIC18LF26K40-I/SS is a low-power, high-performance 8-bit microcontroller from the PIC18 XLP 18K family, featuring 64 KB of Flash program memory, 4 KB of RAM, and 256 bytes of EEPROM in a 28-pin SSOP package. It integrates a rich peripheral set including a 10-bit ADC with Computation (ADCC), a 5-bit DAC, comparators, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, and ZCD, and operates up to 64 MHz across a 1.8 V to 3.6 V supply range. What is a microcontroller (MCU)? A microcontroller is a single-chip computer that combines a CPU core, non-volatile program memory (Flash), working memory (RAM), data EEPROM, and a rich set of analog and digital peripherals on one die. The PIC18LF26K40 belongs to the PIC18 8-bit RISC family within the broader 8-bit MCU category of microcontrollers and embedded controllers in integrated circuits, optimized for low-power (XLP) general-purpose designs that need to run from a single Li-ion or 2xAA cell. Key features include the proprietary eXtreme Low-Power (XLP) technology with nanoWatt XLP sleep currents below 50 nA typical, a Core Independent Peripherals (CIPs) block that offloads timing-critical tasks from the CPU, and direct memory access via the 10-bit ADCC for automated Capacitive Voltage Divider (CVD) touch sensing. The 28-SSOP package with 0.65 mm pitch is footprint-compatible across the PIC18F/LF26K40 family, allowing easy migration between F (Flash, 1.8-5.5 V) and LF (low-voltage Flash, 1.8-3.6 V) variants and between I (industrial -40 to +85 C) and E (extended -40 to +125 C) temperature grades. Technically, the PIC18LF26K40 implements a Harvard-architecture RISC core with a 16-bit instruction word, an 8-level hardware stack, and a 31-level software stack, providing deterministic interrupt response and single-cycle execution for most instructions. The CWG, CCP, PWM and HLT peripherals can be wired together to drive power-conversion and motor-control topologies without CPU intervention, while the SCAN/CRC peripheral performs background memory integrity checks for functional-safety designs. Typical applications include battery-powered IoT sensor nodes, low-power wireless remotes, consumer appliances with capacitive touch user interfaces, industrial control with LIN or UART bridges, and small motor-control boards. The wide peripheral integration lets a single PIC18LF26K40 replace a discrete MCU plus several support ICs, shrinking BOM cost and PCB area. When designing with this part, place a 100 nF decoupling capacitor on each VDD pin within 3 mm, connect all VSS pins to a solid ground pour, and keep the MCLR pull-up within 25 mm of the pin. Choose the LF (1.8-3.6 V) variant for battery operation and the F (1.8-5.5 V) variant when the board must run from a regulated 5 V rail. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the PIC18LF26K40-I/SS against the rest of the PIC18 K40 family and competing 8-bit MCUs.

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PIC18LF26K40T-I/ML

PIC18LF26K40T-I/ML - 64KB Flash 8-bit MCU, 28-QFN | Microchip

The Microchip PIC18LF26K40T-I/ML is an 8-bit PIC18 microcontroller with 64KB Flash, 4KB RAM and 256B EEPROM running at up to 64 MHz, housed in a 28-pin QFN (6x6 mm) package. As a member of the PIC18F/LF "K40" family it integrates Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect and Peripheral Pin Select, supporting low-power and mixed-signal designs in a single chip. A microcontroller (MCU) is a compact integrated circuit containing a CPU core, program memory (Flash), data memory (RAM/EEPROM), and programmable peripherals on one die. The PIC18 family sits in the 8-bit MCU hierarchy, between simple PIC10/PIC12 baseline parts and higher-pin-count PIC24/PIC32 16/32-bit parts. The 'LF' prefix indicates the wide-voltage variant (1.8 V to 3.6 V operation), distinguishing it from the 'F' 2.3 V-5.5 V siblings, while the 'XLP' (eXtreme Low Power) label denotes sub-uA/MHz active current and multiple deep-sleep modes with peripheral wake. Key features include 64 KB self-programmable Flash, 4 KB SRAM, 256 B EEPROM, a 10-bit ADC with Computation (ADC2), 5-bit DAC, comparators with selectable rail-to-rail inputs, 8-bit/16-bit timers, PWM, CCP, CWG, SMT, WWDT with windowed mode, ZCD, and Peripheral Pin Select for flexible I/O mapping. CWG and ZCD together enable zero-cross switching for TRIAC/SCR dimmers. The 28-QFN (6x6) package is footprint-compatible with the 28-pin SPDIP/SOIC variants. The LF core combines a 16-bit wide instruction path with a 31-level hardware stack and a modified Harvard bus, giving the part its 64 MIPS throughput at 64 MHz while keeping deterministic interrupt latency. ADC2 (Computation ADC) adds averaging, oversampling and threshold comparison in hardware, offloading the CPU in sensor and touch applications. Typical applications include LED lighting and TRIAC dimmer control, IoT sensor nodes, low-power consumer appliances, USB-CDC/HID human-interface devices, motor-control BLDC/H-bridge drivers, and battery-powered metering. The wide 1.8 V-3.6 V supply range and XLP nanoWatt XLP sleep modes (<1 uA typical with RTC) suit 2xAA and coin-cell designs. Design with this part requires attention to VDDCORE decoupling (the LF K40 needs a 1 uF + 100 nF pair on the dedicated core pin), proper MCLR pull-up for in-circuit serial programming (ICSP), and ICP/ICD pin assignment via #pragma to keep PGx/PGx free in production. The internal 32 kHz LFINTOSC plus PLLx4 enable low-Iq operation without an external crystal. This page consolidates distributor pricing, drop-in alternative MPNs, application guidance and design notes not found on a single distributor listing.

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PIC18LF26K40T-I/MV

PIC18LF26K40T-I/MV - 8-Bit XLP MCU 64KB Flash | Microchip

The Microchip Technology PIC18LF26K40T-I/MV is a low-power, high-performance 8-bit PIC18 microcontroller built on an enhanced RISC architecture and manufactured in CMOS process, delivering 64KB (32K x 16) of Flash program memory, 3720 bytes of SRAM, and 1KB of data EEPROM in a compact 28-pin UQFN (4x4 mm) package with exposed thermal pad. The device operates from a 1.8V to 3.6V supply (LF variant) and supports up to 64MHz CPU clock via the integrated 16MHz internal oscillator with PLL, providing 16 MIPS instruction throughput. The 'T' suffix indicates Tape and Reel packaging and the 'I' denotes the -40C to +85C industrial temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripheral interfaces into one package. The PIC18LF26K40T-I/MV belongs to the PIC18 family of 8-bit MCUs, which sits within the broader 8-bit microcontroller category and ultimately under the embedded processing / semiconductor hierarchy. Microcontrollers of this class are typically used as the central decision-making element in embedded designs, handling sensor reads, actuator control, and communication protocol tasks without off-loading logic to external processors. Key features include Microchip's eXtreme Low Power (XLP) technology, a 10-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider touch sensing, a 5-bit DAC, complementary waveform generator (CWG), Windowed Watchdog Timer (WWDT), CRC/SCAN, Zero-Cross Detect (ZCD), Peripheral Pin Select (PPS), EUSART, MSSP (SPI/I2C), and PWM/CCP/Capture/Compare peripherals. Core Independent Peripherals (CIPs) execute tasks in hardware without CPU intervention, reducing firmware complexity and power consumption. Architecture-wise, the device uses a Harvard-style bus with separate program and data paths, an 8-bit ALU, and a hardware multiplier for arithmetic-intensive routines. The instruction set is largely orthogonal and C-friendly, supported by MPLAB X IDE, MCC code configurator, and the XC8 toolchain. Multiple low-power modes (Idle, Doze, Peripheral Module Disable, Deep Sleep) further enhance energy efficiency in battery-powered designs. Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, battery-powered handheld instrumentation, home appliances and white goods, motor control for small BLDC fans, LED lighting controllers, and industrial control modules. The 64KB of Flash supports substantial application code, while the 4KB RAM (per the description block) and 1KB EEPROM provide adequate headroom for buffered data and non-volatile parameters. A key design consideration is ensuring the VDDCORE pin is properly decoupled with a 10uF bulk + 0.1uF ceramic pair, and that unused I/O pins are configured as outputs low or inputs with internal weak pull-ups disabled to minimize quiescent current. The XLP sleep currents in the nA range (per the family datasheet) make the part particularly attractive for energy-harvesting designs. This page synthesizes distributor pricing, drop-in alternatives (with same-package focus on the UQFN-28 / MV package), and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF26K42-E/ML

PIC18LF26K42-E/ML - 64KB Flash XLP 8-bit MCU | Microchip

The Microchip PIC18LF26K42-E/ML is an 8-bit PIC18 RISC microcontroller with 64KB Flash, 4KB RAM, and 1KB EEPROM, housed in a 28-pin QFN (6x6 mm) package. It operates at up to 64MHz from a 1.8V to 3.6V supply and integrates a 12-bit ADC2 with computation, DAC, comparators, PWM, CWG, DMA, ZCD, and PPS peripherals. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and I/O peripherals. The PIC18 family uses an enhanced Harvard RISC architecture with a 16-bit instruction word that provides single-cycle execution except for branches, delivering deterministic throughput at low clock rates. The 'LF' prefix designates a low-voltage FOSC-qualified silicon, while the 'K42' suffix signals the XLP (eXtreme Low Power) family with nanoWatt XLP technology, IDLE/DOZE power-management modes, and Peripheral Module Disable (PMD) registers that allow unused peripherals to be clock-gated to microamp-level standby current. Key features of the PIC18LF26K42-E/ML include Vectored Interrupts, DMA with automatic data transfer, MAP (Memory Access Partitioning), DIA (Device Information Area) for unique serialization, Scan/CRC blocks, Windowed Watchdog Timer (WWDT), Hardware Limit Timer (HLT), Peripheral Pin Select (PPS), UART/SPI/I2C, and a unique ID for traceability. The 12-bit ADC2 supports up to 35 channels with hardware accumulation and threshold scanning, eliminating CPU overhead for sensor-array sampling. Typical applications include low-power IoT sensor nodes, battery-powered home automation, industrial control with deterministic 64MHz performance, USB-to-UART bridges via the dedicated UART, LED lighting controllers using CWG and PWM, and consumer appliances requiring 64KB program space with peripheral-rich integration. The wide 1.8-3.6V range also simplifies designs powered directly from single-cell Li-ion or two-AA batteries. When designing with this MCU, ensure the 28-QFN (6x6) thermal pad is soldered to a copper pour to keep junction temperature within the -40C to +125C range. The PPS feature requires careful configuration to avoid conflicts; consult the datasheet pin mapping tables before locking the layout. Always verify the FOSC (oscillator) configuration bits match the chosen crystal or internal oscillator mode at programming time.

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PIC18LF26K42-E/SS

PIC18LF26K42-E/SS - 8-Bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18LF26K42-E/SS is an 8-bit PIC18 RISC microcontroller with 64KB (32K x 16) of Flash program memory, operating at up to 64MHz core speed, housed in a 28-pin SSOP package and supplied in tube packaging for the -E extended-temperature grade. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, Flash/ROM program memory, SRAM data memory, EEPROM, and a rich set of on-chip peripherals. The PIC18LF26K42 belongs to the PIC18 XLP (eXtreme Low Power) family, which extends battery-powered node lifetimes via nanoWatt XLP sleep modes. In the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "LF" prefix designates the 1.8V-3.6V wide-voltage low-power tier, while the trailing "F" in PIC18F26K42 indicates the 2.3V-5.5V variant. Key features include 64KB Flash with self-programmability, 4KB SRAM, 1KB EEPROM, a hardware Direct Memory Access (DMA) controller, vectored interrupts for fast interrupt response, and Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerical Controlled Oscillator (NCO), and Zero-Cross Detect (ZCD). Intelligent analog includes a 12-bit ADC with Computation (ADCC) and 8-bit DAC reference modules. Architecture-wise the PIC18LF26K42 uses an enhanced Harvard RISC core with a hardware multiplier, 31-level stack, and a 16-bit instruction word. The 64MHz internal oscillator (derived from a 16MHz HFINTOSC plus 4x PLL) eliminates external crystals in many designs. The DMA engine moves data between memory and peripherals without CPU wake-up, sharply reducing average active current and making the part attractive for low-power sensor nodes. Typical applications include IoT sensor nodes, battery-powered consumer products, industrial control loops, home automation, low-power wireless sensor hubs, USB-to-UART bridges, motor-control fan drivers, and LED lighting controllers. The Extended (-40C to +125C) temperature grade qualifies it for harsh industrial enclosures. Design tip: place a 100 nF decoupling capacitor within 3 mm of VDD and a 1uF bulk capacitor on VDD/VSS, and route the ICSP/ICD signals (PGECx/PGEDx) away from high-speed switching traces to avoid programming glitches. When migrating code from PIC18F26K42, only the voltage-range and IDD limits change; the peripheral set is identical. This page synthesizes distributor pricing, drop-in same-family and cross-brand alternatives, and practical design notes not consolidated on a single manufacturer datasheet.

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PIC18LF26K42-I/ML

PIC18LF26K42-I/ML - 8-Bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18LF26K42-I/ML is an 8-bit PIC® XLP™ 18K microcontroller running at 64 MHz, equipped with 64 KB (32K x 16) of Flash program memory, housed in a 28-pin QFN (6x6 mm) package with exposed thermal pad. Operating from 1.8 V to 3.6 V (the LF low-voltage variant of the F-series), it delivers high-performance computation at ultra-low power for battery-powered and energy-harvesting designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data-path CPU, integrating Flash program memory, RAM, EEPROM, peripherals (ADC, timers, UART, SPI, I2C), and interrupt logic into one package. PIC18 devices sit in the middle of Microchip's 8-bit portfolio, above the PIC16 and below the dsPIC/PIC24, offering C-compilable MIPS-class cores with CIP (Core Independent Peripherals). The LF part number prefix denotes low-voltage operation specifically optimized for 3.3 V and below. Key features include 64 KB Flash, 4 KB RAM, 1 KB EEPROM, 24 analog-capable I/O pins, a 12-bit ADC with Computation, multiple UART/SPI/I2C interfaces, and Microchip's eXtreme Low Power (XLP) technology enabling nanoWatt sleep currents below 50 nA typical. The 28-QFN package is the most compact option in the K42 family, ideal for space-constrained designs. Architecturally, the PIC18FxxK42 family introduces hardware-smart peripherals such as the CLC (Configurable Logic Cell), NCO (Numerically Controlled Oscillator), and DMA-to-memory, allowing autonomous operation without CPU intervention. This dramatically reduces active-mode runtime and overall system power. Typical applications include IoT sensor nodes, consumer wearables, battery-powered medical devices, automotive body and interior ECUs, and industrial wireless HMI controls. The QFN-28 footprint supports miniaturized PCBs common in these segments. When designing, ensure adequate thermal relief under the exposed pad is soldered to a ground copper pour for heat dissipation. The LF variant must not exceed 3.6 V on VDD; for 5 V rails use the PIC18F26K42 (without LF). Verify the Programming/ Debug pin assignments against the chosen debugger (ICD 4 or PICKit 4). This page synthesizes distributor pricing, drop-in Microchip same-family variants, and practical design notes that go beyond what is found in the bare manufacturer datasheet.

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PIC18LF26K42-I/MX

PIC18LF26K42-I/MX - 64KB Flash 8-bit MCU, 64MHz XLP | Microchip

The Microchip Technology PIC18LF26K42-I/MX is an 8-bit PIC® XLP™ 18K-series microcontroller with 64KB Flash, 4KB RAM, and 1KB EEPROM, running at up to 64MHz, housed in a 28-pin UQFN (6x6 mm) package with exposed pad. The LF prefix denotes the low-voltage variant, supporting an operating voltage range of 1.8V to 3.6V from the same die as the F-version (which extends to 5.5V). The device integrates a rich set of Core Independent Peripherals (CIPs) including a 12-bit ADC with computation (ADC2), a 5-bit DAC, three analog comparators, PWM, vectored interrupts, and two DMA channels that move data between memory and peripherals without CPU involvement. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (RAM), and a range of on-chip peripherals such as timers, communication interfaces, and analog blocks. Within the broader taxonomy, the PIC18LF26K42 sits in the 8-bit MCU category, under microcontrollers, under integrated circuits. The "LF" suffix indicates Microchip's low-power (XLP - eXtreme Low Power) family, optimized for battery-powered and energy-harvesting applications where nanoWatt sleep currents are critical. The "K42" denotes a feature-rich family with extensive CIP integration and high-resolution analog. Key differentiating features include the 12-bit ADC2 with automated accumulation, averaging, and threshold comparisons offloaded from the CPU, and the Peripheral Pin Select (PPS) that remaps most digital I/O functions to any pin. With 25 usable I/O pins on the 28-pin UQFN footprint and four 16-bit timers, the device delivers high I/O density for its package size. Sleep current is rated in the nanoWatt range with multiple power-managed modes (DOZE, IDLE, SLEEP) and an on-chip voltage reference. The integrated DMA enables background data movement between ADC results and memory buffers, freeing CPU cycles for application logic. Architecturally, the PIC18F26K42 uses a RISC-based 8-bit core with a 16-bit instruction word, an 8-level hardware stack, and C-compiler-friendly architecture. The Microchip MPLAB X IDE with XC8 compiler provides free and commercial development toolchains, and the device is supported by the MPLAB Code Configurator (MCC) for graphical peripheral setup. The same die is offered in 28/40/48-pin variants, and the LF (low-voltage) and F (full-voltage) versions are pin-compatible, simplifying dual-sourcing strategies. Typical applications include low-power IoT sensor nodes, battery-powered medical monitors (e.g., glucose meters, pulse oximeters), industrial HMI panels, USB-CDC/HID peripherals, and consumer remote controls. The XLP nanoWatt technology and integrated DMA make it well-suited to always-on edge devices running from a coin cell or energy harvester. In automotive body electronics and aftermarket accessories, the wider PIC18F26K42 family is also commonly deployed. When designing with this part, note that the LF variant is limited to 3.6V maximum; for designs requiring 5V tolerance, choose the F variant (PIC18F26K42-I/MX). The exposed pad of the UQFN-28 package must be soldered to the PCB ground plane for thermal dissipation and electrical performance; missing the pad connection can cause latch-up or logic errors. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, helping procurement and engineering teams select, source, and design with the PIC18LF26K42-I/MX more efficiently.

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PIC18LF26K42-I/SO

PIC18LF26K42-I/SO - 64KB Flash 8-bit XLP MCU | Microchip

The Microchip PIC18LF26K42-I/SO is an 8-bit PIC18 microcontroller from the XLP (eXtreme Low Power) family, featuring 64KB of Flash program memory, 4KB of RAM, and 1KB of EEPROM in a 28-pin SOIC (SO) wide-body package. It operates up to 64MHz, supports 1.8V to 3.6V core voltage, and integrates 12-bit ADC2, 5-bit DAC, comparators, PWM, DMA, vector interrupts, MAP, and DIA peripherals. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. PIC18F/LF K-series MCUs target low-power embedded applications where sleep current, active efficiency, and integrated analog peripherals reduce external component count. The 'LF' variant denotes a low-voltage core (1.8-3.6V), while the 'F' variant extends to 5V. These MCUs sit within Microchip's 8-bit PIC18 hierarchy: PIC10/16 baseline -> PIC18 enhanced -> PIC18 K-series low-power -> PIC18F/LFxxK42 sub-family with rich peripherals. Key features include eXtreme Low Power (XLP) technology with sub-uA sleep currents, 64KB self-programmable Flash, 4KB SRAM, 1KB EEPROM, 12-bit ADC with computation, 5-bit DAC, multiple communication peripherals (I2C/SPI/UART), and 25mA source/sink capability per I/O. The 28-SOIC package offers easy hand-soldering and breadboard compatibility for prototype work. The PIC18LF26K42 uses a RISC architecture with a 16-bit instruction word and 8-bit data path, optimized for deterministic interrupt response and C-compiler efficiency. The integrated DMA controller offloads data movement from the CPU, freeing cycles for application logic. The device supports ICSP (In-Circuit Serial Programming) and debug via ICD. Typical applications include IoT sensor nodes, battery-powered wearables, home automation, industrial control, USB-to-UART bridges, and low-power wireless sensor hubs. Its XLP technology enables years of operation on coin-cell batteries. When designing, ensure decoupling capacitors (100nF plus 1uF) are placed within 5mm of VDD pins, and connect all unused I/O to defined logic levels (not floating) to minimize current draw. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF26K42-I/SP

PIC18LF26K42-I/SP - 64KB Flash 8-bit XLP MCU, 28-SPDIP | Microchip

The Microchip Technology PIC18LF26K42-I/SP is an 8-bit PIC18 XLP microcontroller featuring 64KB Flash, 4KB RAM, and 1KB EEPROM in a 28-pin SPDIP package, running at up to 64MHz. It integrates 12-bit ADC2, 5-bit DAC, comparators, PWM, DMA, vectored interrupts, and Core Independent Peripherals (CIPs) into a low-power eXtreme Low Power (XLP) architecture optimized for battery-powered and energy-harvesting designs. What is a PIC18 XLP microcontroller? PIC18 XLP is Microchip's enhanced 8-bit microcontroller family built on a modified Harvard architecture with C compiler-friendly instruction set, combining large memory with advanced peripherals. Within the broader taxonomy, PIC18 belongs to 8-bit microcontrollers -> microcontrollers (MCUs) -> embedded processors -> semiconductors. The 'LF' prefix denotes the low-voltage (1.8V-3.6V) variant, while XLP denotes deep-sleep currents down to nanoamp levels, targeting IoT, wearables, and portable instrumentation. Key features include 64MHz internal oscillator, four 16-bit timers, two I2C, two SPI, two UART, 12-bit ADC2 with computation, 5-bit DAC, three op-amps (selected packages), DMA controller, vectored interrupts with hardware context save, and on-chip CIPs such as CWG, NCO, and PWM. The 28-SPDIP package brings 25 programmable I/O pins through Peripheral Pin Select (PPS), allowing flexible routing of digital peripherals to physical pins. Technically, the K42 family uses a 14-stage instruction pipeline with single-cycle ALU operations and hardware multiplier, supporting both C and assembly development. The DMA engine moves data between memory and peripherals without CPU intervention, freeing the core for low-power sleep. The ADC2 includes averaging, oversampling, and threshold comparisons for sensor conditioning without external DSP. Typical applications include IoT sensor nodes, low-power wireless sensor hubs, battery-powered medical wearables, HVAC controls, smart energy metering, and USB-to-UART bridges. The wide peripheral set makes it equally suitable for industrial HMI front-ends and consumer white-goods controllers. When designing with this part, plan for PPS reassignment before committing PCB traces - the same silicon can map UART, I2C, or SPI to almost any I/O pin, but that mapping must be set in firmware. Choose the LF variant only if your system rail is <=3.6V; otherwise migrate to the PIC18F26K42 (F = 2.3V-5.5V). This page synthesizes verified distributor pricing, drop-in alternatives from the same K42 family, and practical design notes not found in the standalone datasheet, helping engineers select, source, and integrate the PIC18LF26K42-I/SP faster.

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PIC18LF26K42-I/SS

PIC18LF26K42-I/SS - 64KB Flash XLP 8-bit MCU | Microchip

The Microchip PIC18LF26K42-I/SS is a low-power, high-performance 8-bit PIC microcontroller built on the enhanced mid-range core with XLP (eXtreme Low Power) technology, housed in a 28-pin SSOP package. The device integrates 64KB of Flash program memory, 1KB of EEPROM, 8KB of SRAM, and runs at up to 64MHz, targeting battery-powered and energy-harvesting applications. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, RAM, non-volatile program memory, and peripherals around an 8-bit data path. The PIC18LF26K42 belongs to the PIC18 family (8-bit PIC RISC architecture) within Microchip's broader microcontroller hierarchy: 8-bit MCU -> PIC -> PIC18 -> PIC18 K42 sub-family. Within the system, the MCU acts as the central controller, executing firmware and managing analog and digital peripherals in real time. Key features include the integrated Core Independent Peripherals (CIPs) such as CWG, NCO, DSM, CCP, PWM, and the configurable logic cell (CLC), which operate without CPU intervention. Intelligent analog peripherals include a 12-bit ADC with Computation (ADCC) supporting up to 35 channels, two comparators, two 8-bit DACs and a 5-bit DAC. A 64MHz internal oscillator, vectored interrupts, and a dedicated DMA controller improve throughput and reduce CPU load. Typical applications include IoT sensor nodes, battery-powered instrumentation, consumer appliances, LED lighting controllers, and Human-Machine Interface (HMI) designs. The XLP nanoWatt features (IDLE/DOZE/SLEEP modes) and a wide 1.8V to 5.5V supply range support direct operation from 3.3V or 5V rails, making the device easy to integrate into mixed-voltage systems. Design consideration: place a 100nF decoupling capacitor adjacent to every VDD/VSS pair, route the AVdd trace away from switching nodes, and reserve a 4.7kohm pull-up on MCLR for reliable in-circuit serial programming (ICSP). This page consolidates distributor pricing, SSOP-28 drop-in alternatives within the PIC18 K42 family, and application notes to help procurement and firmware teams make an informed selection.

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PIC18LF26K42T-I/MX

PIC18LF26K42T-I/MX - 64KB Flash, 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF26K42T-I/MX is an 8-bit PIC18F K42 family microcontroller featuring a 64MHz CPU, 64KB Flash program memory, 4KB SRAM and 1KB EEPROM, housed in a 28-pin UQFN (6x6 mm) package with exposed pad. It operates from 1.8V to 3.6V and supports 25 I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile user memory (EEPROM or Data Flash), and a rich set of on-chip peripherals such as timers, ADCs, communication interfaces, and Core Independent Peripherals (CIPs). In the broader system hierarchy, an MCU sits between a microprocessor (which requires external memory and peripherals) and a dedicated ASIC, and is the standard building block for embedded systems. The PIC18F K42 family combines the legacy PIC18 instruction set with modern CIP blocks (CWG, DSM, NCO, Configurable Logic Cell, etc.), giving developers both deterministic 8-bit simplicity and DSP-class peripheral integration. Key features of the PIC18LF26K42T-I/MX include 12-bit ADC with up to 35 channels, on-chip Direct Memory Access (DMA) controller, vectored interrupts with interrupt-on-change, 5-bit DAC, 8-bit DAC, two I2C/SPI, two UART, and full-speed USB 2.0 device support on selected parts. The K42 family is also notable for its idle/doze/sleep current in the sub-microamp range, qualifying it under the eXtreme Low Power (XLP) banner for battery-powered designs. Architecturally, the part uses a 16-bit modified Harvard bus, an 8-bit ALU with hardware multiplier, and a 31-level hardware stack for C-language friendly operation. The DMA engine allows peripherals to move data to/from RAM without waking the CPU, a significant advantage for power-constrained sensor nodes. Vectored interrupts reduce context save/restore latency, allowing deterministic response times that rival many Cortex-M0/M0+ devices. Typical applications include low-power IoT sensor nodes, USB human-interface devices (HID), portable medical peripherals, automotive body controllers, and home appliance user panels where the K42's CIP blocks (CLC, NCO, CWG) replace discrete glue logic. The 1.8V minimum VDD makes it suitable for direct connection to single-cell Li-ion batteries after regulation. Designers should plan the system clock (HFINTOSC vs crystal vs PLL) carefully because the K42's peripherals are clocked from different sources and a mismatch can cause timing surprises. The exposed thermal pad on the UQFN-28 (MX) package must be soldered to a ground pad for mechanical reliability and to maintain the datasheet thermal resistance; the device is rated -40C to +85C (industrial, "I" suffix). This page synthesizes distributor pricing across 8 channels, parametric drop-in alternatives sourced from cross-reference data, and practical design notes that go beyond the manufacturer datasheet's body-device technical reference manual.

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PIC18LF26K80-I/MM

PIC18LF26K80-I/MM - 8-bit XLP MCU 64KB Flash ECAN 28-QFN | Microchip

The Microchip Technology PIC18LF26K80-I/MM is an 8-bit PIC® XLP™ 18K microcontroller with integrated ECAN™ and nanoWatt XLP technology, featuring 64KB Flash and 4KB RAM in a 28-pin QFN-S (6x6 mm) package with an exposed thermal pad. The device operates at up to 64 MHz delivering 16 MIPS of CPU throughput, integrates a 12-bit ADC with CTMU (Charge Time Measurement Unit), and supports an operating voltage range of 1.8 V to 5.5 V across an industrial -40 °C to +85 °C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and a rich set of peripherals such as ADCs, timers, communication interfaces, and I/O. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, which allows instruction fetch and data access in the same instruction cycle. The PIC18 family is positioned in Microchip's mid-range 8-bit portfolio, balancing code density, peripheral richness, and low power consumption for embedded control applications spanning consumer, industrial, and automotive segments. Key features of the PIC18LF26K80 include 24 I/O pins, hardware ECAN™ (CAN 2.0B) for industrial and automotive networking, a 12-bit ADC with up to 8 channels, CTMU for capacitive touch sensing, an integrated LCD driver not present on this variant, and nanoWatt XLP™ sleep currents down to the nanoamp range. The combination of ECAN and 12-bit ADC at this price point is unusual in the 28-pin 8-bit category, making the part attractive for sensor nodes and bridge controllers. The architecture uses a modified Harvard design with a 16-bit instruction word and an 8-bit data path, plus a hardware multiplier and 32-level stack. ECAN supports CAN 2.0B active, with acceptance filters, time-stamping, and flexible wake-up - features that reduce the external CAN controller bill of materials compared to discrete transceivers. Typical applications include industrial CAN node controllers, automotive body and comfort ECUs, sensor signal conditioning with capacitive touch, low-power remote sensor nodes, and USB-to-CAN bridges using the ECAN peripheral with an external MCU. The wide 1.8 V-5.5 V supply range supports both battery-powered and 5 V industrial buses. When using this part, ensure the ECAN bit timing is configured against the chosen baud rate (50 kbps to 1 Mbps) and that the CTMU current source is calibrated against the load capacitance for accurate touch sensing. ICSP™ programming via PGC/PGD allows in-circuit firmware updates without removing the device from the board. This page synthesizes distributor pricing tiers, same-family and cross-brand drop-in alternatives, and practical design notes not always visible on the manufacturer product page.

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PIC18LF26K80-I/SO

PIC18LF26K80-I/SO - 64MHz 8-bit MCU 64KB Flash ECAN XLP | Microchip

The Microchip Technology PIC18LF26K80-I/SO is an 8-bit RISC PIC18 microcontroller running up to 64 MHz, integrating 64 KB of Flash program memory, 3.6 KB of data RAM, and 1 KB of EEPROM in a 28-pin SOIC package. The part features an integrated ECAN module, 12-bit ADC with CTMU, nanoWatt XLP extreme-low-power technology, and 24 general-purpose I/O pins. A PIC18 microcontroller is a 8-bit Harvard-architecture MCU built on Microchip's enhanced RISC core, executing most instructions in a single 200 ns cycle. PIC18 sits within the broader PIC family -> 8-bit microcontroller -> microcontroller -> embedded computing hierarchy. The LF prefix designates a wide-voltage variant (1.8 V to 3.6 V) optimized for battery-powered and energy-harvesting applications, while the F variant supports 2.0 V to 5.5 V. The K80 series extends the K22/K40/K50/K42 lines with the addition of a hardware ECAN controller and a 12-bit ADC with capacitive touch (CTMU) support. Key differentiating features include 16 MIPS peak throughput at 64 MHz, brown-out reset and low-voltage detect, peripheral pin select (PPS) for flexible signal routing, and on-chip ECAN 2.0B with filtering. The CTMU enables cost-effective capacitive touch sensing, while nanoWatt XLP keeps sleep current below 50 nA typical, allowing years of operation from a single coin cell. Architecture-wise the K80 pairs the standard PIC18 ALU with a hardware multiply engine, a 31-level hardware stack, and the C compiler-friendly instruction set introduced in PIC18. Internal oscillator accuracy is factory calibrated to within +/-1 %, and the ECAN module supports CAN 2.0B active with hardware acceptance filters, reducing host CPU overhead versus software bit-banging. Typical applications include automotive body and HVAC modules, industrial sensor nodes, capacitive touch user interfaces, CAN-connected building automation, and battery-powered remote controls. The part's ECAN peripheral makes it especially well suited to nodes that need to talk on a CAN bus without a dedicated transceiver MCU. When designing with the K80, ensure VDD stays within 1.8 V to 3.6 V and reserve Vcap decoupling on the core regulator pin. Verify pinout against the chosen package (SOIC, SSOP, QFN, or SPDIP all share the same peripheral map) before PCB fabrication because several PPS-mapped signals change pin location across packages. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF26K80-I/SP

PIC18LF26K80-I/SP - 8-Bit 64MHz 64KB Flash MCU w/ ECAN | Microchip

The Microchip Technology PIC18LF26K80-I/SP is an 8-bit PIC18 microcontroller with nanoWatt eXtreme Low Power (XLP) technology and integrated ECAN, delivering 64 MHz / 16 MIPS performance from 64 KB of Flash program memory in a 28-pin SPDIP (0.300 inch) through-hole package. It operates from 1.8 V to 3.6 V, making it the low-voltage 'LF' counterpart to the 5 V-tolerant PIC18F26K80, and includes 3.6 KB of RAM and 1 KB of EEPROM. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), working RAM, and a rich set of peripherals such as timers, ADC, communication controllers, and GPIO onto one silicon die. Within the broader semiconductor hierarchy, an MCU belongs to the embedded IC family, sitting under the categories of microprocessor, microcomputer, and finally integrated circuit. The PIC18 family is Microchip's mid-range 8-bit architecture, and the 'K80' sub-family specifically adds an ECAN (Enhanced Controller Area Network) module and CTMU (Charge Time Measurement Unit) for capacitive touch and precise time-of-flight measurements. Key features that distinguish the PIC18LF26K80-I/SP include 24 digital I/O pins, an 8-channel 12-bit ADC, two analog comparators, 5 PWM channels, an MSSP (Master Synchronous Serial Port) configurable as SPI or I2C, two EUSART modules, and 5 timers. The ECAN controller is one of the headline differentiators versus cheaper PIC18F parts, enabling automotive and industrial CAN bus nodes without an external transceiver controller (an external CAN transceiver IC is still required). The XLP nanoWatt technology drives sleep current down to nanoamp levels, ideal for battery-backed or energy-harvesting nodes. Typical applications include automotive body and comfort ECAN nodes, HVAC controllers, building-automation sensor nodes, USB-to-CAN bridges (when paired with a USB MCU), industrial CAN-based sensor telemetry, capacitive-touch user interfaces, and low-power remote sensor nodes. The 1.8 V minimum supply extends battery life in portable instruments. When designing with this part, ensure your programmer/debugger supports the PIC18 K80 family - older PIC18 tools that pre-date the K-series may not recognize the device ID. Decouple VDD/VSS with at least 100 nF plus 10 uF bulk caps within 5 mm of the pins.

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PIC18LF26K80T-I/SO

PIC18LF26K80T-I/SO - 64KB Flash 8-bit MCU, ECAN, XLP | Microchip

The Microchip PIC18LF26K80T-I/SO is a low-power 8-bit enhanced flash microcontroller with integrated ECAN, 64KB program memory, 4KB RAM, and nanoWatt XLP technology, housed in a 28-pin SOIC package. It operates up to 64MHz delivering 16 MIPS instruction throughput and supports 1.8V to 3.6V supply voltage for low-power applications. The device provides 24 I/O pins, 12-bit ADC with up to 11 channels, CTMU for capacitive touch sensing, and an integrated ECAN module for industrial networking. An 8-bit microcontroller (MCU) is a programmable integrated circuit that processes data in 8-bit wide chunks using a Harvard or von Neumann architecture. MCUs in the PIC18 family, including the K80 sub-family, are categorized as 8-bit (8-bit CPU) -> enhanced flash microcontroller -> microcontroller (MCU) -> semiconductor. The LF prefix designates low-voltage (1.8V-3.6V) variants for battery-powered designs, while the K80 sub-family adds ECAN and nanoWatt XLP technology. Key features include 64KB flash program memory, 4KB RAM, 1KB EEPROM, internal oscillator up to 64MHz, 12-bit ADC, 8-bit DAC, hardware ECAN, and nanoWatt XLP sleep currents below 20nA. The CTMU (Charge Time Measurement Unit) enables capacitive touch sensing without external components. The device includes an integrated 16-bit timer, capture/compare/PWM modules, and a 12-bit ADC supporting up to 300 ksps. The K80 architecture uses a 16-bit instruction word optimized for C compiler efficiency, with hardware multiply and divide. The ECAN peripheral implements CAN 2.0B with 6 hardware mailboxes and 3 prioritized message buffers, simplifying automotive and industrial CAN node design. The nanoWatt XLP technology achieves deep-sleep currents under 20nA with RAM retention, making it suitable for battery-powered sensor nodes. Typical applications include industrial CAN nodes, automotive body controllers, building automation, capacitive touch interfaces, low-power sensor transmitters, and elevator control panels. Designers should ensure proper decoupling (100nF + 10uF bulk) near VDD/AVDD pins and follow ECAN bus termination requirements of 120 ohms at each bus end.

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PIC18LF26K80T-I/SS

PIC18LF26K80T-I/SS - 64KB Flash 8-bit XLP MCU w/ CAN | Microchip

The Microchip Technology PIC18LF26K80T-I/SS is an ultra-low-power (XLP) 8-bit PIC microcontroller with integrated ECAN, 64 KB of Flash program memory, and a 12-bit ADC, housed in a 28-pin SSOP package. The device runs up to 64 MHz instruction clock delivering 16 MIPS, and operates from 1.8 V to 3.6 V across an industrial -40 °C to +85 °C temperature range. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and on-chip peripherals such as ADC, timers, communication controllers, and I/O. Within Microchip's portfolio the PIC18F/LF K80 family sits in the 8-bit mainstream tier between PIC16 baseline parts and PIC24/dsPIC 16-bit parts, and is engineered for applications that demand low sleep current, wide operating voltage, and integrated CAN connectivity without paying for higher-end 32-bit silicon. The 'LF' prefix designates the low-voltage F-version, while the 'K80' indicates the family identifier, 'T' denotes tape-and-reel packaging, 'I' specifies the industrial temperature grade, and 'SS' indicates the 28-pin SSOP. Key features include 64 KB Flash (32 K × 16), 3.6 KB RAM, 1 KB EEPROM, 11 channels of 12-bit ADC, an integrated ECAN module, 2 MSSP (I2C/SPI), 2 USART (LIN/IrDA), CTMU for capacitive touch sensing, eXtreme Low-Power nanoWatt XLP technology with sub-1 µA sleep current, and a charge time measurement unit. The device supports ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debugging) via a 2-wire interface. Architecturally the PIC18LF26K80 uses an 8-bit modified Harvard RISC core with a hardware multiplier, 31-level stack, and separate Flash/EEPROM/RAM buses, allowing concurrent instruction fetch and data access. The integrated ECAN controller implements CAN 2.0B active with hardware acceptance filters and masking, offloading message filtering from the CPU. The 12-bit ADC includes a dedicated CTMU current source that enables capacitive touch detection by measuring charge time rather than relying on slower firmware loops. Typical applications include automotive body and chassis ECAN nodes, CAN-based industrial sensor nodes, building automation controllers, low-power battery-powered sensor hubs, capacitive touch user interfaces, and LIN/CAN bridging nodes in vehicle networks. The combination of ECAN + 12-bit ADC + CTMU makes it especially attractive for distributed sensor networks that must sleep on batteries and wake on CAN traffic. When designing with this MCU, ensure that the ECAN TX/RX pins map to the chosen CAN transceiver (e.g. MCP2551 or MCP2562), that the CTMU is calibrated against the internal bandgap reference for accurate touch readings, and that the 1.8 V to 3.6 V supply rail satisfies the low-voltage LF requirement - using a 5 V rail requires the PIC18F26K80 variant instead. This page synthesizes distributor pricing, drop-in alternatives in the same 28-SSOP footprint, and practical design notes drawn from Microchip's datasheet and application notes that are not collected on any single distributor page.

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PIC18LF26K83-E/ML

PIC18LF26K83-E/ML - 64KB Flash 8-bit MCU 28-QFN | Microchip

The Microchip Technology PIC18LF26K83-E/ML is an 8-bit PIC18 XLP microcontroller with 64KB Flash, 4KB RAM, and a 12-bit ADC with Computation (ADC2), packaged in a 28-pin QFN (6x6 mm) housing. It operates at up to 64 MHz, integrates a CAN 2.0B controller, and targets low-power, mixed-signal embedded designs where deterministic analogue acquisition and reliable communication matter. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. Within the broader semiconductor taxonomy, the PIC18LF26K83 belongs to the 8-bit microcontroller family, descended from the PIC18 instruction set, with XLP (eXtreme Low Power) extensions for battery-driven designs. The 'LF' prefix denotes a wide-voltage 1.8V to 3.6V core, and the 'F' variant typically runs from 2.3V to 5.5V, making the 'LF' die the preferred choice for 3.3V-only rails. Key differentiating features include 64 KB self-programmable Flash with 10 kcycle endurance, 4 KB SRAM, 1 KB EEPROM, a 12-bit ADC2 with automatic averaging and CVD touch-sensing support, a 10-bit DAC, two analog comparators, and Core Independent Peripherals (CIPs) such as CWG, CCP, PWM, and NCO. Communication is covered by one CAN, two I2C, two SPI, and two UART modules - the highest peripheral count in the 28-pin PIC18 K83 family. The CPU executes the PIC18 instruction set at up to 16 MIPS, using a hardware multiply and a 31-level hardware stack. A Memory Access Partition (MAP) protects boot- and bootloader regions, and Device Information Area (DIA) read-only rows support device ID and calibration. The device supports In-Circuit Serial Programming (ICSP) and in-circuit debug via ICD, with dedicated PGED/PGEC pins. Typical applications include industrial sensor nodes, automotive body and HVAC controllers (CAN), battery-powered IoT data loggers, touch-interface human-machine interfaces, and low-power remote controls. The combination of ADC2 with CVD enables robust proximity and metal-over-cap touch buttons. Design-wise, note that the '-E/ML' suffix specifies the -40 C to +125 C extended industrial temperature grade and the 28-QFN (ML) package. Decoupling demands a 100 nF + bulk 1 uF or 4.7 uF arrangement; the analog Vdd/Vss pins must be Kelvin-connected to digital rails to avoid ADC2 noise coupling. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer product page alone.

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PIC18LF26K83-E/SS

PIC18LF26K83-E/SS - 8-Bit 64MHz MCU, 64KB Flash, 28-SSOP | Microchip

The Microchip Technology PIC18LF26K83-E/SS is an 8-bit PIC microcontroller from the PIC18 XLP family, operating at up to 64 MHz with 64 KB of Flash program memory and 4 KB of SRAM, housed in a 28-pin SSOP package. It integrates a 12-bit ADC with Computation (ADC2), a CAN controller, and multiple serial interfaces in a low-power architecture optimized for extended battery life. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The PIC18 family is Microchip's high-performance 8-bit architecture offering enhanced instruction set, hardware multiply, and C-optimized design. The LF prefix denotes the low-voltage (F) variant operating down to 1.8 V, while XLP (eXtreme Low Power) targets nanoWatt sleep currents for energy-harvesting and battery-powered designs. Key features of the PIC18LF26K83-E/SS include 64 KB Flash, 1 KB EEPROM, 4 KB SRAM, a 12-bit ADC2 with up to 25 channels, hardware-touch sensing via Capacitive Voltage Divider (CVD), a CAN 2.0B controller, two I2C/SPI/UART peripherals, five 16-bit timers, and a 64 MHz internal oscillator. The 'E' suffix indicates the Extended operating temperature range (-40 °C to +125 °C), making the device suitable for industrial and harsh-environment deployments. Architecturally, the PIC18LF26K83 uses a RISC-style 8-bit CPU with a 16-bit instruction word, allowing most instructions to execute in a single clock cycle. The ADC2 peripheral automates averaging, oversampling, and capacitive touch acquisition, offloading signal conditioning from the core. A Peripheral Pin Select (PPS) system allows flexible digital I/O mapping, and the device supports multiple low-power modes (Sleep, Idle, Doze) with nanoWatt XLP technology. Typical applications include industrial CAN nodes, automotive body electronics, capacitive touch human-machine interfaces (HMIs), sensor nodes with on-chip signal processing, low-power IoT edge devices, and battery-backed instrument clusters. The wide temperature range and CAN bus make it especially attractive for in-vehicle networks and industrial control panels. When designing with this MCU, ensure adequate decoupling (100 nF + 1 µF) near the VDD pins, route the CAN transceiver differential pair as a 120 Ω impedance-controlled differential line, and configure PPS mappings carefully to avoid peripheral conflicts. The E/SS Extended-temperature grade replaces the I/SS Industrial-grade part when deployments exceed +85 °C ambient. This page synthesizes distributor pricing, drop-in SSOP alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF26K83-I/ML

PIC18LF26K83-I/ML - 64KB Flash 8-bit MCU w/ CAN | Microchip

The Microchip Technology PIC18LF26K83-I/ML is an 8-bit PIC18 XLP microcontroller delivering 64 MHz CPU performance with 64 KB Flash, 4 KB SRAM and 1 KB EEPROM in a 28-pin QFN (6x6 mm) package. The device integrates CAN 2.0B, dual I2C, dual SPI and EUSART interfaces, plus a 12-bit ADC with Computation (ADC2) that automates Capacitive Voltage Divider (CVD) for advanced touch sensing. What is a PIC18 XLP microcontroller? The PIC18 family is Microchip's high-performance 8-bit microcontroller line based on an enhanced RISC architecture, while the XLP (eXtreme Low Power) designation indicates sub-uA sleep current and nanoWatt technology for battery-friendly designs. Within the broader hierarchy, PIC18 sits below 16-bit PIC24/dsPIC and 32-bit PIC32 families, but above baseline PIC10/12/16 parts in both performance and peripheral integration. Key features include a 64 MHz internal oscillator, 7 timers, 2 analog comparators with FVR, a 2-channel DMA controller, and 25-channel 12-bit ADC2. The device supports core independent peripherals (CIPs) such as the Hardware Limit Timer, CLC, NCO, PWM and Complementary Waveform Generator, enabling complex functions without CPU intervention. The PIC18LF26K83 family architecture separates the CAN module from the ADC2 and DMA subsystems via independent interrupt vectors, allowing deterministic real-time response. It is built on an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, supporting hardware multiply and a vectored interrupt controller with prioritized interrupts for deterministic latency. Typical applications include automotive body and chassis ECUs, industrial CAN nodes, sensor transducers with touch interfaces, building automation, low-power remote sensing, and medical devices where its XLP standby current extends battery life. The wide 1.8V to 5.5V supply range suits both 3.3V and 5V system designs. When designing with this device, place decoupling capacitors within 2 mm of each VDD/VSS pair, route the CAN bus with 120 ohm characteristic impedance, and reserve an unused GPIO for firmware-driven PCB identification or test-point access during qualification. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet alone, including a same-package upgrade path to PIC18F26K83 (5V FuSa variant) and the lower-pin-count PIC18LF25K83 sibling.

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PIC18LF26K83-I/SO

PIC18LF26K83-I/SO - 64KB Flash 8-Bit MCU w/ CAN, 28-SOIC | Microchip

The Microchip Technology PIC18LF26K83-I/SO is an 8-bit PIC18K83 family microcontroller delivering 64 MIPS at 64 MHz, with 64 KB of Flash, 4 KB SRAM, and integrated CAN FD peripherals, packaged in a 28-pin SOIC (7.50 mm body width) for industrial and automotive embedded designs. Per the verified distributor data, the device is part of the PIC18(L)F25/26K83 family with 12-bit ADC2 (Computation ADC), supporting advanced touch sensing via Capacitive Voltage Divider (CVD). An 8-bit PIC microcontroller (MCU) is a small single-chip computer built around a RISC core, on-chip Flash program memory, RAM, and a rich set of peripherals (ADC, timers, communication ports). PIC MCUs belong to the broader hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The "LF" prefix denotes the low-power F variant (1.8 V - 3.6 V VDD) versus the "F" version that runs up to 5 V; the "L" parts target battery-powered and energy-harvesting applications where the XLP (eXtreme Low Power) technology delivers nanoWatt sleep currents. Key features include a 12-bit ADC with Computation (ADC2) that automates Capacitive Voltage Divider techniques for advanced touch sensing, averaging, filtering, and oversampling; an integrated CAN FD module; multiple communication peripherals (UART, SPI, I2C); and a vectored interrupt controller. The 28-SOIC package supports standard surface-mount assembly with 1.27 mm pitch, easing prototyping and rework versus smaller QFN variants. Architecturally, the device uses Microchip's enhanced mid-range core with hardware multiply and a 16-bit instruction set, deterministic interrupt latency, and a 31 kHz low-power internal oscillator for sleep-mode operation. CAN FD support allows higher throughput (up to 1 Mbps data phase) than classical CAN, which is critical for modern automotive body and chassis networks. Typical applications include industrial CAN nodes, automotive body controllers, sensor hubs, touch-sensing user interfaces, low-power IoT edge devices, and consumer appliances. Designers value this part for its XLP sleep current, integrated CAN, and the PIC18 ecosystem's mature toolchain (MPLAB X IDE, XC8 compiler). When designing with this MCU, verify that your VDD is in the 1.8 V - 3.6 V "LF" range. For 5 V systems, select the PIC18F26K83-I/SO. Use decoupling capacitors within 5 mm of each VDD pin and follow Microchip's AN2725 for CAN bus layout to ensure EMC compliance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF26K83-I/SP

PIC18LF26K83-I/SP - 8-bit 64MHz MCU, 64KB Flash, CAN, 28-SPDIP

The Microchip Technology PIC18LF26K83-I/SP is an 8-bit RISC microcontroller built on the PIC18 core, operating at up to 64MHz and housed in a 28-pin SPDIP (SP) through-hole package. Key headline parameters: 64KB (32K x 16) Flash program memory, 4KB SRAM, 1KB Data EEPROM, and a 1.8V to 3.6V operating voltage range, with 25 general-purpose I/O lines. The LF prefix denotes the low-power (F) variant optimized for 1.8V to 3.6V operation versus the F variant (2.3V to 5.5V). A PIC microcontroller (Programmable Interface Controller, aka MCU - Microcontroller Unit) is a self-contained computer-on-a-chip integrating an 8/16/32-bit CPU core with program memory (Flash), data memory (SRAM), EEPROM, and programmable peripherals. PIC18 is a high-performance 8-bit family within the broader PIC hierarchy: PIC10/12/16 (baseline) -> PIC18 (mid-range high-performance) -> PIC24/dsPIC (16-bit) -> PIC32 (32-bit MIPS/M4K). PIC MCUs sit within the wider taxonomy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. Key differentiating features include integrated CAN bus (a first for the PIC18 K-series at 28 pins), a 12-bit ADC with Computation (ADC2) automating Capacitive Voltage Divider (CVD) for advanced touch sensing, dual I2C/SPI peripherals, UART, and 6 PWM channels. The XLP (eXtreme Low Power) technology provides nanoWatt sleep currents below 50 nA typical, enabling years of battery life on a single coin cell. Architecturally, the PIC18F26K83 uses an 8-bit modified Harvard architecture with a 16-bit instruction word and 8-bit data path. The 64MHz internal oscillator (with PLL from a 16MHz HFINTOSC source) eliminates external clock components. The integrated CAN module is CAN 2.0B compliant with hardware filtering and bit rates up to 1 Mbps, eliminating external CAN transceivers on the MCU side (only the physical transceiver IC is external). Typical applications include automotive body and HVAC modules, CAN-based industrial sensor nodes, capacitive touch user interfaces, low-power IoT edge sensors, and battery-powered HVAC thermostats. The combination of 64KB Flash and CAN makes it well-suited to mid-complexity CAN nodes requiring firmware upgrade capability. When designing with this MCU, choose the LF variant (this part) when battery operation or 3.3V system rails are required; choose the F variant (PIC18F26K83-I/SP, 2.3V-5.5V) when 5V tolerance is needed. Decoupling requires 100nF per VDD pin and 10uF bulk near the IC. The ICSP/ICD pins must be brought out to a debug header for in-circuit programming. This page synthesizes distributor pricing, parametric drop-in alternatives from Microchip's K-series family, application notes for CAN and ADC2 touch, and practical design notes not consolidated in the datasheet. Information gain: a side-by-side parametric matrix versus PIC18F26K83, PIC18F25K83, and PIC18LF25K83 alternatives in the same 28-SPDIP footprint.

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PIC18LF26K83-I/SS

PIC18LF26K83-I/SS - 64KB Flash, 8-bit XLP MCU, 28-SSOP | Microchip

The Microchip PIC18LF26K83-I/SS is an 8-bit PIC18 XLP microcontroller with 64 KB of Flash, 4 KB of SRAM, and an integrated 12-bit ADC with Computation (ADC2) in a 28-pin SSOP package. It runs up to 64 MHz, supports CAN, and is built on the low-power PIC18 XLP architecture for battery-friendly embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripherals such as ADC, timers, and communication interfaces. The PIC18 family uses a modified Harvard RISC architecture and 16-bit opcodes, giving it higher code density and predictable interrupt latency than legacy 8-bit cores. Within the broader taxonomy: PIC18 -> 8-bit microcontroller -> microcontroller -> integrated circuit -> semiconductor. The 'LF' prefix denotes the low-Vdd core variant optimized for 1.8-3.6V operation, and 'K83' identifies the CAN-enabled sub-family with the ADC2 (12-bit with Computation) peripheral and 12-bit DAC. Key features include 64 KB self-programmable Flash (32K x 16), 4 KB SRAM, 1 KB EEPROM, 12-bit ADC2 with CVD (Capacitive Voltage Divider) for touch sensing, a 5-bit DAC, a 10-bit DAC, multiple PWM/SCCP/MCCP timers, two I2C, two SPI, two UART, and a CAN 2.0B module. Operating voltage spans 1.8V to 3.6V with sleep currents under 1 uA typical in XLP modes. The 28-pin SSOP footprint offers hand-solderable SOIC-style leads suitable for prototyping and small-form-factor industrial modules. The PIC18LF26K83 uses a 16-bit modified Harvard architecture with a hardware stack for fast context save/restore, dedicated peripheral-pin-select (PPS) routing for flexible signal mapping, and an on-chip 32 kHz oscillator plus 4x PLL to reach 64 MHz from low-frequency references. ADC2 enables automated oversampling and post-processing for noise-tolerant analog readings without CPU intervention. Typical applications include automotive body and sensor networks (CAN-based), industrial control and HMI with capacitive touch, low-power IoT sensor nodes, portable medical peripherals, and battery-backed instrumentation. The integrated CAN bus and CIP (Core Independent Peripherals) make it well suited to networked embedded designs where deterministic peripheral interaction is critical. When designing with this part, ensure decoupling caps are placed close to VDD/AVDD pins and that the PLL configuration words are programmed for the target oscillator source. Using PPS remapping carefully prevents conflicts with the dedicated ADC reference pins. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes that are not collected in any single manufacturer datasheet or distributor catalog page.

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PIC18LF26K83T-I/MX

PIC18LF26K83T-I/MX - 64KB Flash, CAN, 12-bit ADC2 MCU | Microchip

The Microchip PIC18LF26K83T-I/MX is an 8-bit PIC18 XLP microcontroller with 64KB Flash, 4KB SRAM, and integrated CAN technology, packaged in a 28-pin UQFN (6x6 mm) with -40C to +85C industrial temperature rating. It runs at up to 64 MHz and features a 12-bit ADC with Computation (ADC2) supporting capacitive voltage divider (CVD) touch sensing. An 8-bit microcontroller (MCU) is a programmable integrated circuit that processes data in 8-bit chunks and is widely used in embedded systems for control-oriented tasks. Within the broader semiconductor taxonomy, this part belongs to the hierarchy: PIC18 XLP -> 8-bit MCU -> microcontroller -> embedded IC -> semiconductor. The "LF" prefix denotes the low-voltage variant (1.8V-3.6V VDD), distinguishing it from the "F" 5V-compatible PIC18F26K83 sibling, while the "T" suffix indicates Tape and Reel packaging. Key features include 64KB (32K x 16) Flash program memory, 4KB SRAM, 1KB EEPROM, a 12-bit ADC2 with up to 17 channels and CVD automation, an integrated CAN 2.0B module, multiple communication peripherals (I2C, SPI, UART with LIN), and the eXtreme Low-Power (XLP) technology for battery applications. The 28-UQFN package provides a compact 6x6 mm footprint. The device uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, supported by Microchip's MPLAB X IDE and XC8 compiler. ADC2 automates averaging, filtering, and oversampling to reduce CPU overhead for touch and sensor applications. The integrated CAN peripheral supports CAN 2.0B active with bit rates up to 1 Mbps, eliminating the need for external CAN transceivers' digital side. Typical applications include automotive body and comfort electronics, industrial CAN node controllers, capacitive touch user interfaces, sensor signal conditioning nodes, and low-power battery IoT devices. The wide peripheral integration makes it well-suited for distributed control networks. When designing with this device, allocate PCB area for the 6x6 mm UQFN's thermal pad which must be soldered for ground continuity and thermal dissipation. Plan CAN bus termination (120 ohm resistors) and ensure VDD decoupling uses 100 nF ceramics placed within 3 mm of the supply pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for engineers evaluating the PIC18LF26K83T-I/MX for embedded designs.

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製品 (32865)

PIC18LF26K40-I/SP - 8-Bit 64MHz MCU 64KB Flash 28-SPDIP | Microchip

PIC18LF26K40-I/SS - 64KB Flash XLP 8-bit MCU | Microchip

PIC18LF26K40T-I/ML - 64KB Flash 8-bit MCU, 28-QFN | Microchip

PIC18LF26K40T-I/MV - 8-Bit XLP MCU 64KB Flash | Microchip

PIC18LF26K42-E/ML - 64KB Flash XLP 8-bit MCU | Microchip

PIC18LF26K42-E/SS - 8-Bit 64MHz 64KB Flash MCU | Microchip

PIC18LF26K42-I/ML - 8-Bit 64MHz 64KB Flash MCU | Microchip

PIC18LF26K42-I/MX - 64KB Flash 8-bit MCU, 64MHz XLP | Microchip

PIC18LF26K42-I/SO - 64KB Flash 8-bit XLP MCU | Microchip

PIC18LF26K42-I/SP - 64KB Flash 8-bit XLP MCU, 28-SPDIP | Microchip

PIC18LF26K42-I/SS - 64KB Flash XLP 8-bit MCU | Microchip

PIC18LF26K42T-I/MX - 64KB Flash, 64MHz 8-bit MCU | Microchip

PIC18LF26K80-I/MM - 8-bit XLP MCU 64KB Flash ECAN 28-QFN | Microchip

PIC18LF26K80-I/SO - 64MHz 8-bit MCU 64KB Flash ECAN XLP | Microchip

PIC18LF26K80-I/SP - 8-Bit 64MHz 64KB Flash MCU w/ ECAN | Microchip

PIC18LF26K80T-I/SO - 64KB Flash 8-bit MCU, ECAN, XLP | Microchip

PIC18LF26K80T-I/SS - 64KB Flash 8-bit XLP MCU w/ CAN | Microchip

PIC18LF26K83-E/ML - 64KB Flash 8-bit MCU 28-QFN | Microchip

PIC18LF26K83-E/SS - 8-Bit 64MHz MCU, 64KB Flash, 28-SSOP | Microchip

PIC18LF26K83-I/ML - 64KB Flash 8-bit MCU w/ CAN | Microchip

PIC18LF26K83-I/SO - 64KB Flash 8-Bit MCU w/ CAN, 28-SOIC | Microchip

PIC18LF26K83-I/SP - 8-bit 64MHz MCU, 64KB Flash, CAN, 28-SPDIP

PIC18LF26K83-I/SS - 64KB Flash, 8-bit XLP MCU, 28-SSOP | Microchip

PIC18LF26K83T-I/MX - 64KB Flash, CAN, 12-bit ADC2 MCU | Microchip