Интегральные схемы

PIC18F26J50-I/SS

PIC18F26J50-I/SS - USB MCU 64KB Flash 48MHz SSOP-28 | Microchip

The Microchip PIC18F26J50-I/SS is a low-power, high-performance 8-bit microcontroller with integrated full-speed USB 2.0, featuring 64KB Flash, 4KB RAM, and nanoWatt XLP technology in a 28-pin SSOP package. The J-series core delivers up to 16 MIPS at 48 MHz and supports a wide 2.0V to 3.6V operating range with 5.5V tolerant digital I/O. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus, typically using a RISC architecture such as Microchip's PIC core. These devices integrate CPU, RAM, non-volatile program memory (Flash), peripherals, and I/O on one die, occupying the bottom of the embedded computing hierarchy above discrete logic but below 32-bit microcontrollers and microprocessors. The PIC18 family adds enhanced peripherals, a 16-bit instruction word, and C-friendly architecture while remaining software-compatible with earlier PIC16 devices. Key features include an integrated USB 2.0 full-speed transceiver with on-chip pull-up resistors and internal voltage regulator, a 10-bit ADC with up to 13 channels, two analog comparators, three timers, two capture/compare/PWM modules, an Enhanced USART, and two MSSP (SPI/I2C) ports. Deep sleep mode drops quiescent current to the nanoampere range, enabling battery-powered designs that must wake via interrupts or the watchdog. The architecture uses a 16-bit modified Harvard structure with separate program and data paths, an 8x8 hardware multiplier, and a vectored interrupt controller that supports 25 interrupt sources. The internal 31 kHz to 48 MHz oscillator block includes PLL for the USB 48 MHz clock, eliminating the external crystal required by many competing USB MCUs. Typical applications include USB peripherals (HID, CDC, vendor-class devices), battery-powered sensor nodes with USB charging, industrial data loggers, and consumer accessories that require PC connectivity. The integrated USB transceiver reduces BOM cost by 4-6 external components compared to MCUs requiring external USB PHYs. When designing with this part, ensure the internal voltage regulator's bulk capacitor (VDDCORE) and VUSB bypass capacitor follow the datasheet layout precisely; improper bypass will prevent USB enumeration. Programming via ICSP requires a 4-wire interface on dedicated pins that overlap with general I/O. This page synthesizes distributor pricing, same-brand Microchip drop-in alternatives (PIC18F46J50 family), pin-out, SSOP package thermal data, and practical design notes not found in a single manufacturer datasheet excerpt.

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PIC18F26J50T-I/ML

PIC18F26J50T-I/ML - 8-bit USB MCU, 64KB Flash, 28-QFN | Microchip

The Microchip Technology PIC18F26J50T-I/ML is an 8-bit PIC18J-series microcontroller with integrated full-speed USB 2.0, 64KB of Flash program memory, and 4KB of RAM, packaged in a 28-pin QFN (6x6 mm). It executes instructions at 48 MHz internal clock (12 MIPS), features 25 I/O lines, and supports 10-bit ADC, multiple serial interfaces, and nanoWatt XLP deep-sleep modes for low-power applications. An 8-bit microcontroller (MCU) is a small, low-cost computing core that integrates a CPU, memory, and peripherals into a single chip. PIC18J-series devices belong to the enhanced PIC18 family (PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor), which adds hardware multipliers, C-friendly architecture, and extended instruction set for higher code density. The 'J' suffix indicates the 3.3V core, USB 2.0 full-speed peripheral, and enhanced low-power modes that target cost-sensitive consumer and industrial designs. Key features of the PIC18F26J50 include on-chip full-speed USB 2.0 (12 Mbps) with internal transceiver and pull-up resistors, eliminating the need for an external PHY. It supports 64KB (32K x 16) Flash, 4KB RAM, and 1KB EEPROM for non-volatile storage. The 25-channel, 10-bit ADC provides up to 25 channels of analog input, while peripherals include two USART, two MSSP (SPI/I2C), two CCP, three timers, and an RTCC with calendar. The 28-QFN (6x6 mm) package has an exposed pad for thermal dissipation and compact board footprint. The architecture combines a RISC-based PIC18 CPU core with 16-bit instructions and 8-bit data path, supported by an 8x8 hardware multiplier and C compiler-friendly addressing. The on-chip regulator allows single 3.3V supply operation from a single 2.0-3.6V rail, with brown-out reset and power-on reset for reliable startup. The deep-sleep mode draws less than 100 nA, making this MCU suitable for battery-powered applications where USB connectivity is required. Typical applications include USB peripherals (HID, CDC, MIDI, custom classes), embedded data loggers, low-cost instrumentation, and consumer electronics. The wide operating voltage range and USB integration also support industrial sensor interfaces, wireless USB bridges, and home automation bridges. For battery-powered designs, the nanoWatt XLP technology enables multi-year lifetimes on coin cells. When designing with this device, ensure the VUSB pin is properly decoupled with 0.01uF and 1uF capacitors as specified in the datasheet, and that the 28-QFN exposed pad is soldered for proper thermal dissipation. The USB D+/D- traces should be routed as a 90-ohm differential pair with controlled impedance. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical USB design notes not consolidated in the manufacturer datasheet.

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PIC18F26J50T-I/SO

PIC18F26J50T-I/SO - 8-bit USB MCU 64KB Flash 28-SOIC | Microchip

The Microchip Technology PIC18F26J50T-I/SO is an 8-bit PIC18J-family microcontroller with integrated Full-Speed USB 2.0 (12 Mbps), 64 KB of Flash program memory (32K x 16), and 4 KB of RAM, operating at up to 48 MHz (12 MIPS) in a 28-pin SOIC package. It belongs to the nanoWatt XLP extreme-low-power family and supports a 2.0V–3.6V core supply with an on-chip 3.3V regulator for USB signalling. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable peripherals. PIC18J-series MCUs use an enhanced Harvard RISC architecture with 16-bit instructions optimized for C code density, which is a common architecture in embedded control products. Within the broader taxonomy, this part is an 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC, with USB and XLP positioning it for connected, battery-powered endpoints. Key features include the integrated Full-Speed USB 2.0 device transceiver, two USART, two MSSP (SPI/I2C), 10-bit ADC, multiple PWM outputs, and 25 digital I/O. Deep Sleep mode with RTCC draws nanoamp-level current, making the part attractive for always-on, USB-bus-powered applications. Hardware 32-bit CRC and a 31 kHz secondary oscillator improve data integrity and real-time-clock accuracy. Typical applications include USB Human Interface Devices (HIDs), CDC serial-to-USB bridges, USB sensor and data-acquisition nodes, battery-powered instruments using XLP sleep modes, and industrial control front-ends with on-board USB diagnostics. The 28-SOIC footprint simplifies hand-soldering and rework, and the J-series peripheral set maps cleanly to legacy PIC18 designs. When designing with this MCU, ensure the 3.3V regulator output is decoupled with 1 µF–10 µF ceramics near VUSB3V3, route D+/D– as a 90 Ω differential pair, and respect the 5.5V absolute maximum on non-USB-tolerant pins. This page combines the manufacturer datasheet with distributor pricing and a verified cross-reference of pin-compatible drop-in alternatives, giving procurement and design engineers a single reference for sourcing and second-source decisions not found on any individual vendor page.

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PIC18F26J50T-I/SS

PIC18F26J50T-I/SS - 48MHz USB MCU 64KB Flash 28-SSOP | Microchip

The Microchip Technology PIC18F26J50T-I/SS is an 8-bit PIC18J-series microcontroller with integrated full-speed USB 2.0, 64KB flash, and 4KB RAM, housed in a 28-pin SSOP package. It operates at up to 48MHz internal clock (12 MIPS) from a 2.0V to 3.6V supply and offers 25 I/O pins across its peripheral set. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces on one silicon die. The PIC18F26J50T-I/SS belongs to the PIC18J family, which uses Microchip's enhanced 8-bit RISC core and adds full-speed USB 2.0 on-chip — eliminating the need for an external USB transceiver. Within the broader taxonomy, this part sits as: microcontroller -> 8-bit MCU -> embedded controller -> semiconductor IC. Key features include 64KB (32K x 16) flash program memory, 4KB SRAM, 1KB EEPROM, nanoWatt XLP power management for deep-sleep currents below 1 µA, two USART, two SPI/I2C, a 10-bit ADC up to 10 channels, and a CTMU for capacitive touch sensing. The integrated USB 2.0 full-speed transceiver supports both device and limited host/OTG roles with internal pull-up resistors. Architecturally, the PIC18J core combines a 16-bit-wide flash program word (75 ns single-word instruction fetch) with a peripheral bus operating at up to FOSC/4. The CTMU, hardware RTCC, and nanoWatt XLP sleep modes let the same firmware drive both line-powered and battery-backed applications. Typical applications include USB peripherals (HID, CDC, custom-class), low-power sensor nodes with USB enumeration, capacitive touch user interfaces, consumer appliances with diagnostic USB ports, and industrial data loggers with USB mass-storage bootloaders. The wide operating voltage (2.0V to 3.6V) suits both 3.3V regulators and two-AA-cell battery rails. For design, follow Microchip's PIC18F46J50 family datasheet recommendations: place the VUSB 3.3V regulator capacitor within 5 mm of the pin, route the D+/D- pair as a 90-ohm differential pair, and use the internal pull-ups rather than external resistors when the device is self-powered. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical layout/design notes not found in the manufacturer datasheet — giving procurement and firmware engineers a single reference for PIC18F26J50T-I/SS evaluation and BOM decisions.

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PIC18F26J53-I/ML

PIC18F26J53-I/ML - 64KB Flash USB MCU 28-VQFN | Microchip

The Microchip Technology PIC18F26J53-I/ML is a low-power, high-performance 8-bit PIC microcontroller in the PIC18 J-series with integrated full-speed USB 2.0, 64KB of Flash program memory, 4KB of RAM, and a 12-bit A/D converter. It executes up to 12 MIPS at 48 MHz from a 2.0V to 3.6V supply, packaged in a 28-pin VQFN (6x6 mm) with an exposed thermal pad. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces onto one die. PIC18 J-series MCUs extend the classic PIC18 architecture with nanoWatt XLP power management, deep sleep modes, and dedicated USB transceivers, occupying the niche between small 8-bit controllers and 16-bit dsPIC parts in the Microchip hierarchy: 8-bit MCU -> PIC18 -> PIC18 J-series -> USB-capable variant. Key features include a 12-channel 10-bit ADC (configurable to 12-bit in successive-approximation mode), two analog comparators, two UART/USART, two SPI, and one I2C peripheral. The integrated USB 2.0 full-speed transceiver with on-chip termination eliminates external USB PHY components, while the 64KB self-programmable Flash supports in-application updates. The nanoWatt XLP technology delivers typical sleep currents in the deep-sleep mode, enabling years of battery life on coin-cell powered designs. The PIC18J53 architecture uses a 16-bit wide instruction word optimized for C-compiled code, with a hardware multiplier and 32 Kbytes of linear program addressing. The enhanced USB SIE handles packet sequencing, CRC, and endpoint management autonomously, freeing the CPU from low-level USB protocol handling. The 28-pin VQFN package with exposed pad enables compact PCB designs in space-constrained applications. Typical applications include USB HID peripherals such as keyboards, mice, and custom input devices; USB-to-UART bridges; low-power sensor nodes with USB charging; portable medical instruments; and consumer products requiring in-field firmware updates. The deep-sleep mode and on-board USB make this part especially attractive for always-on USB-connected sensor and telemetry applications. When designing with this part, follow the recommended USB layout guidelines in the datasheet - the D+/D- traces must be 90 ohm differential with matched length, and the VBUS pin requires a 4.7uF bulk capacitor with a ferrite bead for EMI suppression. The exposed thermal pad must be soldered to a copper pour for electrical grounding and thermal dissipation. This page synthesizes verified distributor pricing, drop-in PIC18 family alternatives, USB design references, and practical application notes beyond the manufacturer datasheet summary.

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PIC18F26J53-I/SO

PIC18F26J53-I/SO - 48MHz 8-bit USB MCU 64KB Flash | Microchip

The Microchip PIC18F26J53-I/SO is a high-performance 8-bit PIC18 microcontroller featuring integrated full-speed USB 2.0, 64KB of Flash program memory (32K x 16), and 48MHz internal oscillator performance, all housed in a 28-pin SOIC package. The device operates from 2.0V to 3.6V and delivers up to 12 MIPS throughput, with deep-sleep nanoWatt XLP technology achieving sub-100nA standby currents for battery-powered USB applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripheral interfaces. The PIC18F family uses Microchip's enhanced 8-bit modified Harvard architecture, separating program and data memory buses for predictable single-cycle instruction execution. The 'J' series specifically adds native USB 2.0 full-speed transceivers, making it the entry-level choice for cost-sensitive embedded USB designs. Within the broader taxonomy, the PIC18F26J53 sits in the hierarchy: 8-bit MCU -> PIC18 family -> PIC18 J-series -> USB-enabled low-power MCUs -> semiconductor. Key features include 10-channel 10/12-bit ADC, multiple serial interfaces (UART, SPI, I2C), 25 I/O pins, and dedicated DMA channels that offload data movement between peripherals and memory. The 64KB Flash supports self-programming for in-field firmware updates via the bootloader, while 3.8KB of RAM provides ample workspace for USB descriptors and protocol stacks. Hardware CTMU (Charge Time Measurement Unit) enables touch sensing and precise time-of-flight measurements. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost data loggers with USB charging, medical sensor interfaces, and consumer electronics requiring battery-friendly operation. The 28-SOIC package provides hand-solderable through-hole-like accessibility for prototypes while remaining compatible with automated SMT lines. When designing with this MCU, pay attention to the unified 2.0V-3.6V supply range and remember that the PIC18 J-series uses a 3.3V nominal core with integrated 3.3V USB transceiver, eliminating the need for external level shifters on the USB bus. External crystal selection affects both USB clock accuracy and CPU speed, so use a 48MHz fundamental-mode crystal or the internal PLL for full-speed USB compliance. This page synthesizes distributor pricing, drop-in SOIC-28 alternatives, and practical design notes not consolidated on the manufacturer datasheet or individual distributor pages.

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PIC18F26J53-I/SS

PIC18F26J53-I/SS - 8-bit USB MCU 64KB Flash 48MHz SSOP-28 | Microchip

The Microchip Technology PIC18F26J53-I/SS is a low-power, high-performance 8-bit PIC microcontroller from the PIC18 J-series, featuring integrated full-speed USB 2.0, 64 KB Flash program memory and 4 KB RAM, with 48 MHz (12 MIPS) operation in a 28-pin SSOP package. The device integrates a 12-bit ADC, multiple serial interfaces, and nanoWatt XLP power-saving modes including Deep Sleep, making it suited to cost-sensitive embedded designs. A PIC microcontroller (Programmable Interface Controller, also called MCU or microcontroller unit) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, and peripherals. The PIC18 J-series extends the classic PIC18 architecture with higher code density (16-bit instruction word, 8-bit data path), C-compiler-friendly instruction set, and enhanced peripherals such as USB 2.0 full-speed and 12-bit ADC, bridging the gap between traditional 8-bit MCUs and 16/32-bit devices. Key features of the PIC18F26J53-I/SS include: 64 KB Flash (32K x 16 words), 4 KB RAM, 256 B EEPROM, 12 MIPS CPU throughput at 48 MHz, an on-chip full-speed USB 2.0 transceiver, 10-bit + 12-bit A/D converters (10 channels), two analog comparators, three timers, two capture/compare modules, two UART/USART, SPI, I2C, and nanoWatt XLP Deep Sleep mode for sub-uA standby current. The 28-pin SSOP (0.209 inch body width) package is industrial-grade (-40C to +85C) and pin-compatible across the PIC18F2xJ53 family, allowing designers to migrate up (PIC18F27J53 with 128 KB Flash) or down (PIC18F25J53 with 32 KB Flash) without PCB rework. The integrated USB and nanoWatt XLP features reduce external component count for low-power tethered or battery-powered applications. Typical applications include USB peripherals, HID-class devices, sensor nodes, low-power handheld instruments, industrial controls, and consumer electronics that require USB connectivity without an external PHY. The nanoWatt XLP Deep Sleep mode extends battery life in always-on sensor applications. When designing with this part, allocate the 28-pin budget carefully: USB D+/D- occupy dedicated pins, and the on-chip voltage regulator requires an external bypass capacitor. Designers migrating from older PIC18F2550 designs will find the pinout largely compatible but should verify the D+/D- and VUSB pin assignments against the PIC18F26J53 datasheet. This page synthesizes distributor pricing, drop-in SSOP-28 alternatives, and practical design notes for the PIC18F26J53-I/SS - information not consolidated on the manufacturer datasheet alone.

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PIC18F26J53T-I/ML

PIC18F26J53T-I/ML - 48MHz 8-bit USB MCU, 64KB Flash | Microchip

The Microchip Technology PIC18F26J53T-I/ML is an 8-bit PIC18J-series microcontroller featuring integrated full-speed USB 2.0, 64KB of Flash program memory (32K x 16), 3.8KB of RAM, and a 12-bit ADC, packaged in a 28-pin QFN (6x6 mm) with exposed thermal pad. Operating at up to 48 MHz with 12 MIPS performance, it belongs to the nanoWatt XLP ultra-low-power family and includes a deep-sleep mode for battery-sensitive applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, ADC, communication interfaces (UART, SPI, I2C, USB), and general-purpose I/O. PIC18 microcontrollers sit within the broader taxonomy: MCU -> embedded microcontroller -> 8-bit microcontroller -> PIC architecture -> PIC18 family -> PIC18J sub-family. They are commonly used where deterministic real-time response, low power, and easy toolchain support are required. The PIC18F26J53T-I/ML offers 22 digital I/O pins, an internal oscillator, multiple power-managed operating modes, and peripheral features including a 12-bit ADC, comparators, PWM, and full-speed USB 2.0 device/host/OTG. The device operates across 2.0V to 3.6V and supports the industrial -40C to +85C temperature range. Its nanoWatt XLP technology enables standby currents in the deep-sleep mode measured in nanoamperes, making the part attractive for USB-connected, battery-powered designs. Architecturally, this part uses a Harvard RISC core with 16-bit instructions and 8-bit data paths, plus a hardware multiplier. The on-chip USB 2.0 full-speed transceiver and SIE eliminate the need for an external PHY, simplifying USB peripheral designs. The QFN-28 (6x6) package provides a compact footprint with an exposed pad for improved thermal dissipation at higher CPU loads. Typical applications include USB peripherals (HID, CDC, MSD), USB charging controllers, portable instrumentation, data loggers, medical USB dongles, sensor hubs, and consumer electronic accessories. The combination of USB, ADC, and low-power modes makes it a strong fit for USB-powered measurement and data-acquisition products. When designing with the PIC18F26J53T-I/ML, ensure USB DP/DN lines are routed as a 90-ohm differential pair and that the exposed pad is soldered to a sufficient copper pour for thermal relief. Selecting the correct oscillator configuration (internal vs external crystal) is also important for USB timing accuracy. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet, giving you a one-stop engineering reference for the PIC18F26J53T-I/ML.

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PIC18F26J53T-I/SS

PIC18F26J53T-I/SS - 64KB Flash USB MCU, SSOP-28 | Microchip

The Microchip Technology PIC18F26J53T-I/SS is an 8-bit PIC microcontroller in the PIC18 J-series, integrating a full-speed USB 2.0 device/peripheral/host/OTG controller with 64 KB of Flash program memory and 3.8 KB of RAM in a 28-pin SSOP package. It operates from a 2.0 V to 3.6 V supply and executes instructions at up to 12 MIPS from a 48 MHz internal oscillator. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path; the PIC18 family extends the baseline PIC16 architecture with a 16-bit instruction word, a hardware multiplier, and an extended register set. The PIC18F26J53 sits in the J-series sub-family, which adds nanoWatt XLP power management, deep-sleep modes, and an integrated USB 2.0 full-speed transceiver. The part occupies the 'microcontroller' -> '8-bit MCU' -> 'PIC18' -> 'PIC18 J-series' taxonomy and belongs to the broader class of embedded control semiconductors. Key features of this device include 64 KB self-programmable Flash with 1 KB of dedicated EEPROM and 3.8 KB of general-purpose SRAM, a 10-channel 12-bit ADC with up to 100 ksps conversion rate, two analog comparators with input multiplexing, two CCP modules plus one ECCP, four 16-bit timers plus two 8-bit timers, two MSSP (SPI/I2C) ports, two enhanced USART modules, 22 digital I/O pins, and the previously noted USB 2.0 full-speed transceiver with on-chip transceiver and dedicated PLL. Architecturally, the PIC18F26J53 combines a Harvard-bus RISC core with hardware multiply, a 31 kHz to 8 MHz internal RC oscillator with PLL up to 48 MHz, and a nanoWatt XLP power manager that drops quiescent current below 100 nA in deep sleep. The on-chip USB transceiver eliminates the external 18.432 MHz crystal and 3.3 V LDO normally required for USB, shrinking BOM cost for HID, CDC, and embedded-host designs. Typical applications include USB peripherals such as HID game controllers, CDC virtual COM ports, and mass-storage bridges; low-power sensor nodes with sleep currents below 1 uA; industrial data loggers and remote controls; and consumer appliances needing both touch (CTMU) and USB connectivity. The wide peripheral mix also fits motor-control reference designs that rely on the ECCP and comparators. When designing with this MCU, plan the PCB layout to keep the USB D+/D- traces length-matched within 50 mil and place the VUSB decoupling capacitor as close to pin 14 as possible. Because the device operates only up to 3.6 V, add a 3.3 V LDO if your board draws from a 5 V source. This page synthesizes DigiKey distributor pricing, drop-in same-package alternatives from Microchip's PIC18 family, and practical design notes not found in the bare manufacturer datasheet.

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PIC18F26K20-E/ML

PIC18F26K20-E/ML - 8-bit 64KB Flash MCU, 48MHz, 28-QFN | Microchip

The Microchip Technology PIC18F26K20-E/ML is an 8-bit PIC18 flash microcontroller built on Microchip's nanoWatt XLP (eXtreme Low Power) technology, delivering 48 MHz maximum CPU clock (equivalent to 16 MIPS / 8 MIPS depending on oscillator configuration), 64 KB of Flash program memory, and 3936 bytes of SRAM in a 28-pin QFN (6x6 mm) package with exposed pad. The PIC18F26K20 belongs to the PIC18F family of 8-bit microcontrollers, an enhanced Harvard-architecture RISC MCU family that has been widely deployed in industrial, automotive, and consumer applications for over two decades. The K-series specifically targets low-power embedded designs with nanoWatt XLP technology, enabling sleep currents down to the nanoampere range. Within the broader semiconductor taxonomy, the PIC18F family sits under 8-bit microcontroller -> RISC MCU -> embedded controller -> semiconductor device. The 28-QFN package places it in the surface-mount QFN family (JEDEC MO-220). Key features include a 10-bit ADC with up to 17 channels, three timers, two capture/compare modules (ECCP + CCP), enhanced USART, MSSP (SPI/I2C), and a 25-pin I/O complement. The -E temperature grade extends from -40C to +125C, suitable for industrial and automotive under-hood environments. Supply voltage operates from 1.8 V to 3.6 V across the full temperature range with the internal regulator. Architecturally the PIC18F26K20 uses Microchip's enhanced mid-range core with 16-bit opcodes, hardware multiplier (8x8 in one cycle), and a 31-level hardware stack. The flash memory supports self-programming via ICSP and run-time reads. Deep-sleep current (Watchdog Timer disabled) is among the lowest in the 8-bit MCU class, which is the headline benefit of the nanoWatt XLP branding. Typical applications include battery-powered sensor nodes, low-power remote controls, industrial sensor conditioning, automotive body and climate modules, and portable medical devices such as glucose meters. The combination of 64 KB flash and 10-bit ADC makes it well-suited for apps requiring moderate code density plus analog front-end integration. When designing with this part, choose 1.8 V-3.6 V supply rails and follow the recommended 100 nF VDD/VSS decoupling placement. The exposed pad must be soldered to the ground plane for thermal dissipation. Programming can be done via ICSP using MPLAB X IDE and any of Microchip's programmers (PICkit, ICD). This page synthesizes distributor pricing, drop-in alternatives from Microchip's own PIC18F family, and practical design notes not found in the manufacturer datasheet.

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PIC18F26K20-E/SP

PIC18F26K20-E/SP - 8-bit 48MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F26K20-E/SP is an 8-bit PIC18 microcontroller built on the nanoWatt XLP (eXtreme Low Power) platform, delivering up to 48 MHz CPU performance with 64 KB of Flash program memory and 3,968 bytes of RAM in a 28-pin SPDIP (SP) through-hole package. The device integrates a 10-bit ADC with up to 17 channels, multiple communication peripherals including EUSART, MSSP (SPI/I2C), and offers 25 general-purpose I/O pins for embedded designs requiring flexible interfacing. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and peripherals on one die. PIC microcontrollers from Microchip use a modified Harvard RISC architecture, executing one instruction per clock cycle (except branches), making them deterministic and well-suited for real-time control. Within the broader taxonomy, a microcontroller belongs to the integrated circuit family, specifically the embedded processor segment, alongside DSPs and microprocessors. PIC18 series devices are considered mid-range 8-bit MCUs, sitting between the entry-level PIC16 family and the high-performance PIC24/dsPIC families. Key features include 1,000,000 erase/write cycle Flash endurance, 256-byte EEPROM with 1,000,000 erase/write cycles, a 10-bit ADC with 17 channels and 100K samples per second conversion rate, dual analog comparators with input multiplexing, and nanoWatt XLP technology providing sleep currents down to 20 nA typical. The enhanced PWM module supports up to four PWM outputs with complementary mode, programmable dead time, and automatic shutdown. Hardware multipliers support 8x8 single-cycle multiplication. The PIC18F26K20-E/SP employs an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, featuring 31-level hardware stack, 32 kHz secondary oscillator for low-power modes, and an on-chip 32 MHz internal oscillator. The device supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) via the MPLAB ICD 5 tool chain. Extended temperature range (-40C to +125C) is indicated by the -E suffix. Typical applications include industrial control systems, sensor nodes with battery backup, low-power IoT edge devices, automotive body electronics, HVAC controls, and home appliances. The wide operating voltage of 1.8V to 5.5V supports both 3.3V and 5V system designs. With its rich peripheral set, this part serves as a versatile general-purpose MCU for designs requiring deterministic real-time response. When designing with this MCU, allocate attention to the clock configuration: the internal 16 MHz HFINTOSC reduces BOM cost but introduces accuracy constraints for UART baud-rate-sensitive applications. Always place decoupling capacitors (100 nF and 10 uF) within 5 mm of VDD/VSS pairs to minimize switching noise on the analog rail shared with the ADC. This page synthesizes distributor pricing, drop-in alternatives including PIC18F26K20-I/SP and PIC18F25K20-E/SP, and practical design notes not found in the manufacturer datasheet. Cross-reference comparison data is provided against same-family variants in SPDIP-28 package.

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PIC18F26K20-I/ML

PIC18F26K20-I/ML - 64KB Flash 8-Bit MCU, 64MHz, 28-QFN | Microchip

The Microchip Technology PIC18F26K20-I/ML is an 8-bit PIC18 enhanced flash microcontroller running at up to 64 MHz with 64 KB of program Flash, 3,968 bytes of RAM, and 1 KB of EEPROM, housed in a 28-pin QFN (6x6 mm) package. It belongs to the PIC18FxxK20 nanoWatt XLP family and combines 25 digital I/O lines, a 10-bit ADC with up to 11 channels, multiple capture/compare/PWM modules, and the industry-leading eXtreme Low Power (XLP) sleep current of approximately 20 nA typical. The -I/ML suffix denotes the industrial temperature grade (-40C to +85C) and the ML (QFN-28, 6x6 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of peripherals such as ADC, timers, communication interfaces, and general-purpose I/O. Within the broader semiconductor taxonomy, an MCU belongs to the embedded processor category, which sits below microprocessors and above basic digital logic ICs. PIC18F microcontrollers use a modified Harvard RISC architecture with a 16-bit instruction word optimized for C code density, and the 'K20' sub-family adds nanoWatt XLP technology to dramatically reduce active and sleep power compared to legacy PIC18 parts. Key features include a 10-bit ADC with up to 11 input channels, two analog comparators, a hardware USART, MSSP for SPI and I2C (both Master and Slave), two CCP modules and one enhanced CCP for PWM and capture/compare, four 8-bit timers plus three 16-bit timers, and 25 mA capable I/O suitable for direct LED drive. The internal oscillator block provides factory-calibrated 16 MHz and selectable frequencies up to 64 MHz via the 4x PLL, often eliminating the need for an external crystal in cost-sensitive designs. The -I/ML part is specified for 1.8V to 3.6V core operation and 4.2V to 5.5V extended-range operation, and supports ICSP (In-Circuit Serial Programming) plus optional low-voltage programming. The QFN-28 package offers a small 6x6 mm footprint with an exposed thermal pad, ideal for space-constrained PCB layouts. Self-programmability under firmware control and Microchip's free MPLAB X IDE + XC8 toolchain enable field-upgradeable end products. Typical applications include low-power wireless sensor nodes, battery-powered HVAC thermostats, portable medical monitors, USB HID human-interface devices, white-goods motor control, and remote controls. The combination of nanoWatt XLP sleep current and rich peripherals allows designers to meet multi-year battery-life targets while still driving user interfaces and analog sensors. When designing with this device, leave at least 4 mm2 of copper under the QFN exposed pad tied to VSS for thermal relief and reliable reflow. Place a 100 nF decoupling capacitor within 3 mm of each power pin, and reserve the ICSP/ICD pins (PGC/PGD, MCLR) for in-circuit programming access. To preserve the ultra-low sleep current of ~20 nA, ensure unused I/O pins are configured as outputs or tied to VDD/VSS through software, never left floating. This page consolidates Microchip datasheet specifications, current distributor pricing tiers, same-package drop-in alternatives, and practical PCB design notes into a single reference so you can evaluate the PIC18F26K20-I/ML without leaving the page.

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PIC18F26K20-I/SO

PIC18F26K20-I/SO - 8-Bit 64MHz MCU 64KB Flash | Microchip

The Microchip Technology PIC18F26K20-I/SO is an 8-bit PIC18 microcontroller built on the enhanced PIC® RISC architecture with nanoWatt XLP (eXtreme Low Power) technology, delivering 64MHz (16 MIPS) performance from 64KB of Flash program memory in a 28-pin SOIC wide-body package. The device integrates 3936 bytes of SRAM, 256 bytes of EEPROM, and 25 general-purpose I/O pins, with on-board peripherals including a 10-bit ADC (up to 17 channels), two analog comparators, two USART modules, MSSP (SPI/I2C), two CCP modules, and an enhanced 8-bit/16-bit timer block. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer whose CPU processes data 8 bits at a time, typically using a Harvard or modified-Harvard architecture with separate program and data memory buses. The PIC18 family is a high-performance 8-bit family within the broader PIC microcontroller hierarchy (PIC10/12/16/18), positioned above baseline PIC16 parts and below the 16-bit dsPIC and 32-bit SAM families. The PIC18F26K20 specifically targets ultra-low-power applications where extended battery life matters more than raw MIPS. Key features include active current as low as several hundred microamps at 1MHz, deep sleep current down to the nanoamp range, an internal 16MHz oscillator with PLL support, and a wide 1.8V to 5.5V supply range (the -I industrial variant operates over -40C to +85C). The 64KB Flash supports self-programming via ICSP, and the device is supported by Microchip's MPLAB X IDE and XC8 compiler toolchain, which includes the free XC8 compiler version for hobby and commercial development. From an architectural standpoint, the PIC18F26K20 uses a modified Harvard architecture with a 16-bit instruction word and 8-bit data path, providing a good balance of code density and execution speed. The nanoWatt XLP technology adds sleep modes such as deep sleep, ultra-low-power watchdog timer, and multiple oscillator options to minimize current draw in battery-powered applications. Typical applications include portable medical instruments, remote sensor nodes, industrial control modules, automotive body electronics (non-safety), home automation, USB-to-UART bridges, and low-power IoT edge devices. The 28-SOIC package provides an easy-to-handle footprint for hand-prototyping and rework while still being suitable for high-volume surface-mount assembly. When designing with this device, ensure the supply voltage is decoupled with at least 100nF ceramic placed close to the VDD pins, and add a 10uF bulk capacitor on the main rail. For low-power designs, leverage the deep-sleep mode and disable unused peripherals through the peripheral disable registers to minimize quiescent current. This page synthesizes distributor pricing, drop-in compatible alternatives in the SOIC-28 footprint, and practical low-power design notes not found in the standalone datasheet, giving engineers a single reference for selection and procurement decisions.

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PIC18F26K20-I/SP

PIC18F26K20-I/SP - 64KB Flash 8-Bit MCU, 28-SPDIP | Microchip

The Microchip PIC18F26K20-I/SP is an 8-bit PIC18 microcontroller from the nanoWatt XLP family, featuring 64 KB of Flash program memory, 3968 bytes of RAM, and 64 MHz maximum CPU clock speed, housed in a 28-pin SPDIP (SP) through-hole package. According to the Microchip datasheet, the part operates from 1.8 V to 3.6 V (F-variant range) and integrates a 10-bit ADC, multiple timers, two comparators, and standard peripherals such as UART, SPI, and I2C. The /I suffix indicates the industrial -40C to +85C operating temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and configurable peripheral blocks. The PIC18 family is a high-performance 8-bit Harvard-architecture line from Microchip with a rich instruction set, hardware multiplier, and C-friendly architecture that sits hierarchically between legacy baseline PIC16 devices and the 16-bit PIC24/dsPIC families. nanoWatt XLP technology specifically targets low-power applications where sleep current in the nanoamp range and active consumption below 1 mA/MHz are critical. Key differentiating features of the PIC18F26K20 include 64 KB of self-programmable Flash for field upgrades, 1 KB of EEPROM data storage, a 10-bit ADC with up to 17 input channels, an Enhanced Capture/Compare/PWM (ECCP) module, two analog comparators with steerable reference, and nanoWatt XLP sleep currents as low as 20 nA. The 64 MHz CPU clock (16 MIPS throughput) gives it strong DSP-style math capability versus typical 8-bit MCUs that operate at 20 MHz or less. Architecturally, the PIC18F26K20 uses a 16-bit instruction word with an 8-bit data path and a modified Harvard bus, supported by a 32-level hardware stack and interrupt controller with vectored priority. The device supports both internal and external oscillator modes, including a low-power 31 kHz internal oscillator and a high-frequency 16 MHz internal oscillator with PLL. This dual-oscillator architecture enables real-time clock operation while running the CPU from a higher-frequency source. Typical applications include industrial sensor interfaces, low-power remote sensor nodes running on coin cells or harvested energy, USB HID firmware bridges using the dedicated USB 2.0 full-speed peripheral on K-series silicon, small home appliances, motor control with PWM-driven H-bridges, and educational or hobbyist platforms. The wide peripheral mix makes it a strong fit for any 8-bit application that benefits from large Flash. When designing with this part, mind the 28-pin SPDIP pinout carefully when migrating code from QFN variants - the QFN version has more I/O available because several ground-only pins on SPDIP are used as additional GPIO on smaller packages. Decoupling with 100 nF ceramic close to VDD/AVDD pairs is mandatory for clean ADC readings. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a fast lookup for both procurement and engineering review.

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PIC18F26K20-I/SS

PIC18F26K20-I/SS - 8-bit PIC MCU, 64KB Flash, 64MHz, SSOP-28

The Microchip Technology PIC18F26K20-I/SS is an 8-bit PIC microcontroller from the PIC18FxxK20 family featuring 64 KB of Flash program memory, 3,968 bytes of RAM, and 1,024 bytes of EEPROM, packaged in a 28-pin SSOP with nanoWatt XLP ultra-low-power technology. It operates at up to 64 MHz clock speed (16 MIPS performance) from a 1.8V to 5.5V supply, and integrates 25 digital I/O pins, a 10-bit ADC with up to 14 channels, multiple timers, and standard serial peripherals. According to the Microchip product page, the part is currently listed as In Production. What is a PIC18 microcontroller? The PIC18 is Microchip's 8-bit C-optimized microcontroller family, positioned above the PIC16 line. PIC18 MCUs use a 16-bit modified Harvard architecture with separate program and data buses, 31-level hardware stack, and a RISC-like instruction set with hardware multiplier. They span the hierarchy: PIC18 -> 8-bit MCU -> microcontroller -> embedded controller. PIC18FxxK20 devices specifically target ultra-low-power applications via nanoWatt XLP technology, which adds deep-sleep modes drawing nanoamp-range currents suitable for battery-powered and energy-harvesting designs. Key features of the PIC18F26K20 include 64 KB self-programmable Flash, 1 KB EEPROM, 3,968 bytes SRAM, 25 I/O with individual pull-up control, a 10-bit A/D converter with 14-channel input mux, two analog comparators, a 5-bit DAC, three timers (Timer0/1/2), two capture/compare modules, an Enhanced USART (EUSART) supporting RS-232/RS-485, MSSP for SPI and I2C (master/slave), and an internal 16 MHz oscillator with PLL. From an architectural perspective, the part uses Microchip's enhanced mid-range core with a C-friendly orthogonal instruction set, hardware multiply, indexed addressing, and 31-level call/return stack. nanoWatt XLP delivers typical sleep currents below 100 nA with RTC running, allowing years of operation from a single coin cell. The device supports ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debug) via two pins, enabling fast prototyping and field firmware updates. Typical applications include industrial sensor nodes, battery-powered data loggers, home automation controllers, low-energy IoT endpoints, HVAC control modules, consumer electronics with USB/serial connectivity, and small appliances where 25 I/O and integrated 10-bit ADC handle mixed-signal interfaces. The wide 1.8V-5.5V supply simplifies direct battery connection (1S Li-Ion, 3xAA, or coin cell with boost). When designing, always place a 100 nF decoupling capacitor within 5 mm of each VDD pin and bulk 1-10 uF on the supply rail. Reserve MCLR with the standard 10 kohm pull-up, and add an ICSP header for programming/debug. Watch the total current budget when averaging with sleep duty cycle to maximize battery life.

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PIC18F26K20T-I/SO

PIC18F26K20T-I/SO - 64KB Flash 8-bit MCU 64MHz 28-SOIC | Microchip

The Microchip Technology PIC18F26K20T-I/SO is an 8-bit PIC® XLP™ 18K flash microcontroller featuring 64KB (32K x 16) of program memory, 3968 bytes of RAM, and 25 digital I/O pins, packaged in a 28-pin SOIC (SO) wide-body with tape-and-reel packaging. It runs at up to 64MHz (16 MIPS) with a single-cycle instruction execution architecture, supports 1.8V to 3.6V operation, and integrates Microchip's nanoWatt XLP™ power management for sub-µA sleep currents. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, peripherals, and I/O on one die, optimized for deterministic real-time control. The PIC18 family is Microchip's high-performance 8-bit line built on a RISC architecture with hardware multiply and a 16-bit instruction word; within this family, the K20 sub-family is the XLP (eXtreme Low Power) variant designed for battery-powered designs. PIC18 MCUs sit in the hierarchy: 8-bit microcontroller -> RISC MCU -> embedded controller -> semiconductor. Key differentiating specifications include 64KB self-programmable flash with 1KB of EEPROM and 3968 bytes of SRAM, a 10-bit ADC with up to 17 channels, multiple communication peripherals (EUSART, MSSP for SPI/I2C), and nanoWatt XLP modes that drop quiescent current below 100 nA in sleep. The 28-pin SOIC package offers 25 remappable I/O pins via Peripheral Pin Select (PPS) and supports in-circuit serial programming (ICSP) and in-circuit debug (ICD). The PIC18F26K20T-I/SO is built on an enhanced Harvard architecture with a 16-bit flash datapath and an 8-bit ALU; the result is single-cycle 200ns instruction execution at 20MHz and 16 MIPS at 64MHz. The device integrates a 10-bit successive-approximation ADC, two analog comparators, an 8-bit/16-bit timer stack, CCP/ECCP modules, and a charge-time measurement unit (CTMU) for capacitive touch. Typical applications include industrial sensor nodes, low-power remote controls, battery-powered HVAC thermostats, USB HID peripherals, home appliances, automotive body modules, and consumer white goods. The combination of nanoWatt XLP sleep modes, peripheral pin select, and ample flash makes it a workhorse for cost-sensitive 8-bit embedded designs. When designing with this part, add a 0.1 µF ceramic decoupling capacitor directly between VDD and VSS, place it within 5 mm of the MCU, and ensure the MCLR pull-up is at least 10 kΩ. Programming voltage is internally generated, so the ICSP interface connects directly to the device with no external 12V supply. This page synthesizes real-time distributor pricing, drop-in alternatives, and practical design guidance distilled from the Microchip PIC18F26K20 datasheet and verified web sources.

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PIC18F26K22-E/SP

PIC18F26K22-E/SP - 64KB Flash 8-bit MCU, SPDIP-28 | Microchip

The Microchip Technology PIC18F26K22-E/SP is an 8-bit RISC PIC18 microcontroller featuring 64KB of Flash program memory, 3896 bytes of SRAM and 1024 bytes of EEPROM, running up to 64MHz internally in a 28-pin SPDIP package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data memory (EEPROM) and a rich set of peripherals such as timers, ADC, communication interfaces and GPIO onto one IC. Within the broader taxonomy, the PIC18F26K22 sits in the 8-bit PIC18 family, which is a sub-family of Microchip's PIC microcontrollers, which themselves belong to the microcontroller category under integrated circuits. The 'K' series ('K22') specifically implements nanoWatt XLP extreme low-power technology for battery-friendly designs. Key differentiating features include 25 general-purpose I/O lines, a 12-bit ADC with up to 19 channels, multiple communication peripherals (2x I2C/SPI, 2x UART with LIN), 4 CCP/ECCP modules, a 16-bit timer and the nanoWatt XLP sleep modes. The 28-pin SPDIP package is through-hole friendly, easing prototype and breadboard development where socketed parts are preferred. The 'E' suffix designates the extended temperature grade (-40C to +125C). Architecturally, the part uses a Harvard RISC core with a modified instruction set optimized for C-compiled code, and supports wide operating voltages from 1.8V to 5.5V via its on-chip voltage regulator. Internal self-programmability allows in-application firmware updates without an external programmer. The 64KB Flash / 3896B RAM / 1024B EEPROM triplet positions the part squarely between small PIC16 mid-range controllers and high-pin-count PIC18 parts, fitting 30-80kB-of-code projects. Typical applications include industrial sensor interface boards, low-power remote data loggers, HVAC controls, white-goods user interfaces, automotive body controllers and battery-powered IoT sensor nodes. Designers pick this part when they need substantial memory with extreme low power (XLP nanoWatt) and a DIP footprint for easy rework. Design consideration: pair this MCU with the MPLAB X IDE, MPLAB XC8 compiler and the MPLAB Snap (or PICkit 4) programmer/debugger. The 28-pin SPDIP footprint allows the part to be socketed, simplifying prototype iteration versus QFN variants.

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PIC18F26K22-E/SS

PIC18F26K22-E/SS - 8-Bit 64KB Flash MCU, 28-SSOP | Microchip

The Microchip Technology PIC18F26K22-E/SS is an 8-bit microcontroller from the PIC PIC XLP 18K family, featuring a 48 MHz CPU core, 64 KB of Flash program memory, 3968 bytes of SRAM, and 1024 bytes of EEPROM, housed in a 28-pin SSOP (5.30 mm) package. The PIC18F26K22-E/SS is part of the 28/40/44-pin low-power, high-performance PIC microcontroller family with nanoWatt XLP technology, providing a flexible solution for many high-performance and power-sensitive applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus that integrates a CPU, RAM, program memory, peripherals, and I/O on one silicon die. The 8-bit PIC architecture uses a RISC instruction set optimized for C compilation, with a Harvard memory architecture separating program and data paths. The PIC18 family extends this with hardware multiply, extended addressing to 64 KB Flash, and enhanced peripherals such as multiple UART, SPI, and I2C. PIC18F26K22-E/SS belongs to the broader hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. Key features of the PIC18F26K22-E/SS include nanoWatt XLP technology for ultra-low-power sleep currents (down to nanoAmp levels), a 16 MIPS instruction throughput at 48 MHz, two enhanced USART modules, two MSSP (I2C/SPI) peripherals, a 10-bit ADC with up to 28 channels, four 8-bit/16-bit timer/counters, and dual analog comparators. The device operates across an extended voltage range and includes an integrated voltage reference. Architecturally, the PIC18F26K22-E/SS combines a C compiler-optimized RISC core with a high-endurance Flash (typically 100k erase/write cycles) and a peripheral-rich analog and digital I/O structure. Self-programmability under software control supports bootloader-based field updates, while the nanoWatt XLP technology keeps quiescent current low enough for battery applications. Typical applications for the PIC18F26K22-E/SS include industrial control and sensor conditioning, low-power remote keyless entry, consumer appliances, USB/HID devices using the device's full-speed USB-compatible peripherals, portable medical devices, and automotive body electronics not requiring AEC-Q100 qualification. Designers favor this part when migration paths exist within the PIC18F26K22 family across SPDIP, SOIC, and SSOP footprints. When designing with this MCU, note that the E suffix indicates the -40C to +125C extended temperature grade (vs the -I industrial grade at -40C to +85C), and the SS suffix denotes the 28-pin SSOP package. Ensure your ICD/MPLAB debugger is set for the correct device ID and check that the I2C/SPI remap configuration matches your PCB layout. This page synthesizes authoritative Microchip datasheet specifications, distributor pricing as of 2026-09-27, drop-in pin-compatible alternatives (including newer PIC18F26Q10), and practical design considerations not found on a single distributor page.

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PIC18F26K22-I/ML

PIC18F26K22-I/ML - 8-Bit XLP MCU, 64KB Flash, 28-QFN | Microchip

The Microchip PIC18F26K22-I/ML is an 8-bit PIC18 microcontroller built on the nanoWatt XLP (eXtreme Low Power) technology platform, integrating 64KB of Flash program memory and 3,968 bytes of RAM in a 28-pin QFN (6x6 mm) package with an exposed thermal pad. It runs at up to 64MHz from a 2.5V/3.3V/5V dual-voltage supply and targets low-power, high-performance embedded designs. The part is part of Microchip's broad PIC18F "K22" family, which scales across 28/40/44-pin variants and is also offered in SOIC, SSOP, SPDIP and TQFP packages to match PCB layout choices. An 8-bit MCU in the PIC family is a Harvard-architecture microcontroller whose instruction set, peripherals and interrupt model are optimized for deterministic control loops. Within the taxonomy, this part belongs to: microcontroller -> 8-bit MCU -> PIC18 RISC MCU -> nanoWatt XLP family -> Microchip PIC18F K-series. Its 16-bit opcode instruction set, 31-level hardware stack, and 8x8 hardware multiplier make it suitable for embedded control where predictability and code density matter more than raw MHz performance. Key features include five timers (Timer0/1/2/3/4/5/6 depending on configuration), two Enhanced USART modules supporting LIN/IrDA, two MSSP ports configurable for SPI or I2C (master/slave), 10-bit ADC with up to 17 channels, a 5-bit DAC and four CCP/ECCP modules for PWM/motor control. On-chip peripherals include the standard PIC18 interrupt controller, watchdog timer with on-chip LPRC, and the nanoWatt XLP sleep/idle/doze power-saving modes that drop active current to microamp levels for battery-powered designs. Architecturally, the PIC18F26K22 uses a RISC core with single-cycle ALU operations, instruction pre-fetch, and an internal 16MHz oscillator that is software-configurable from 32kHz to 16MHz. The 64KB Flash is partitioned as 32K x 16 to support both C and assembly workflows, and is rated for 10K erase/write cycles typical - sufficient for in-application firmware updates via bootloader. Typical applications include home-appliance control panels (HVAC, washing machines), industrial sensor transmitters running on battery or 4-20mA loops, USB/HID human-interface devices, low-cost motor control for fans and pumps, automotive body controllers (LIN slave nodes), and IoT edge nodes that wake on interrupt, take a measurement and return to deep sleep. When designing with this device, observe the 5.5V absolute maximum on VDD, place a 0.1uF decoupling capacitor as close as possible to the QFN EP pin, and pick the appropriate package variant up front. For new designs Microchip now recommends the PIC18F26Q10, which provides a more modern peripheral set and lower power for similar cost - the K22 remains fully supported for existing designs and long-life industrial platforms. This page synthesizes distributor pricing, same-package drop-in compatible variants across the PIC18F26K22 family, and practical design notes that do not appear as a single digest in the manufacturer datasheet.

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PIC18F26K22-I/SO

PIC18F26K22-I/SO - 8-bit XLP MCU, 64KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC18F26K22-I/SO is an 8-bit PIC microcontroller from the PIC18F2x/4xK22 family, featuring 64KB (32K x 16) of Flash program memory, 3968 bytes of RAM, and a 256-byte EEPROM in a 28-pin SOIC wide-body package. It operates at up to 64 MHz internal clock with a 16 MIPS instruction throughput, integrating nanoWatt XLP extreme-low-power technology and CIP (Core Independent Peripherals) such as multiple PWM, ADC, and communication modules. What is a PIC XLP microcontroller? An XLP (eXtreme Low Power) microcontroller is a class of 8/16-bit MCUs that integrate hardware-level sleep modes, nanoWatt technology, and efficient peripherals to achieve microamp-range sleep currents. PIC XLP devices sit inside the broader 8-bit MCU taxonomy (PIC -> microcontroller -> embedded controller -> semiconductor) and target battery-powered applications where standby power dominates total energy budget. Key features include 24 channels of 10-bit ADC, two comparators with selectable reference, up to four 16-bit timers, two CCP/ECCP modules for advanced PWM, two MSSP (SPI/I2C) ports, two EUSART (enhanced UART) modules, and 25 mA sink/source capability on most I/O pins. The integrated voltage reference (1.024V/2.048V/4.096V) supports precision ADC conversion without external components. The PIC18F26K22 architecture uses an enhanced Harvard design with separate code and data buses plus a 31-level hardware stack, allowing deterministic interrupt response and efficient C-compiled code execution. The 28-pin variant exposes 24 GPIO pins, retains full peripheral connectivity, and runs from 1.8V-5.5V supply - well-suited for 3.3V and 5V systems. Typical applications include battery-powered IoT sensor nodes, low-power industrial instrumentation, motor control (small DC and stepper drivers), USB-to-UART bridges, and small home appliances. The wide voltage range and XLP sleep modes (<100 nA typical) also support energy-harvesting designs and remote controls. When designing, observe the 1.8V-5.5V Vdd range for LF (low-FPU) variants and 2.3V-5.5V for F variants; decoupling capacitors must be placed within 5 mm of Vdd/Vss pins, and unused I/O must be configured as outputs low to minimize leakage. This page consolidates distributor pricing, drop-in 28-SOIC alternatives, application circuits, and engineering design notes beyond the manufacturer datasheet - synthesized for faster component selection and BOM validation.

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PIC18F26K22-I/SP

PIC18F26K22-I/SP - 64KB Flash 8-Bit XLP MCU 28-SPDIP | Microchip

The Microchip Technology PIC18F26K22-I/SP is an 8-bit PIC18 microcontroller built on the enhanced PIC18 instruction set, delivering 64 MHz (16 MIPS) performance with 64 KB Flash program memory and 3896 bytes of SRAM. Housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package, it integrates Microchip's nanoWatt XLP ultra-low-power technology for battery and energy-harvesting applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and configurable peripherals. The 8-bit class targets cost-sensitive, deterministic control tasks such as sensor interfacing, motor driving, user I/O handling, and simple protocol bridging. PIC18F devices sit above baseline PIC10/12/16 parts by offering a 16-bit instruction word, a 31-level hardware stack, linear memory access, and a richer interrupt controller — features useful when C compilers are used and code density matters. PIC18F 'K' series parts add nanoWatt XLP for sleep currents often below 100 nA typical. Key features include nanoWatt XLP extreme low-power with multiple idle/sleep modes, 25 I/O pins with peripheral pin select (PPS), two Enhanced USART modules, two MSSP (SPI/I2C) ports, a 12-bit ADC with computation (ADC2) oversampling, multiple 16-bit timers, and a charge time measurement unit (CTMU) for capacitive touch and ratiometric sensing. The device operates from 1.8 V to 5.5 V on wide-range Fosc and supports on-board 8 MHz to 64 MHz PLL-based operation. The PIC18F26K22 uses a Harvard architecture with separate 16-bit instruction and 8-bit data paths, 31-level hardware stack, and an internal 16 MHz 0.5% accurate oscillator (HFINTOSC) that can be locked to 16 MHz or 64 MHz via the 4x PLL. The 12-bit ADC2 includes hardware averaging and automatic threshold scanning for low-MIPS sensor acquisition. Typical applications include consumer remote controls, battery-powered sensor nodes, capacitive touch user interfaces, industrial control panels, USB-to-UART bridges (with external MCU-side USB transceiver), and home-automation HMI modules. The wide 1.8V-5.5V supply range suits single-cell Li-ion or two-AA designs that must hibernate in dark rooms for months. When designing with this device, the Watchdog Timer, Brown-out Reset and POR should be configured to match the application's supply-rail behavior. PPS remapping lets designers reassign peripheral I/O to alternate pins to ease PCB routing, but each pin can serve only one peripheral function at a time. Use the MPLAB PICkit 5 or ICD 4 for programming and debugging. This page synthesizes distributor pricing, drop-in SPDIP-package alternatives, and practical design considerations not found in the manufacturer datasheet alone.

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PIC18F26K22-I/SS

PIC18F26K22-I/SS - 8-Bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F26K22-I/SS is an 8-bit PIC18F microcontroller in the K22 family, featuring nanoWatt XLP extreme low-power technology and housed in a 28-pin SSOP package. Key headline parameters are 64 MHz maximum CPU clock, 64 KB Flash program memory (32K x 16 words), and approximately 3.8 KB SRAM. It is part of Microchip's PIC18 XLP family aimed at high-performance and power-sensitive embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data RAM, and peripherals onto one silicon die. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, which allows simultaneous fetch and access. PIC18F series parts add enhanced peripherals and richer instruction sets compared to baseline PIC16 parts, while remaining 8-bit cores. Within the broader taxonomy, PIC18F MCUs sit below 16-bit and 32-bit MCUs but offer compelling cost-per-I/O, ultra-low idle power, and deterministic interrupt response for control applications. Key features of the PIC18F26K22-I/SS include nanoWatt XLP technology for sub-uA sleep currents, multiple power-managed modes (Run/Idle/Sleep), and rich analog/digital peripherals. The part integrates 25 I/O pins, multiple 8-bit and 16-bit timers, enhanced PWM modules suitable for motor control, a 10-bit ADC with up to 19 channels, comparators, and EUSART, MSSP (I2C/SPI), and USB support depending on the variant. Code protection, an ICD/ICSP debug interface, and extended temperature grades (-40C to +125C industrial) round out the offering. Technically, the K22 family leverages a 16-bit instruction word executed in a 2-cycle pipeline, yielding effective throughput of up to 16 MIPS at 64 MHz. The nanoWatt XLP peripheral set includes low-power Timer1, watchdog, and RTCC, plus ultra-low-power wake sources such as INT, IOC, and ULPWU. Brown-out Reset (BOR), Power-on Reset (POR), and a configurable Windowed Watchdog Timer (WWDT) are standard. Memory endurance is rated at 100K erase/write cycles for Flash and 1M for EEPROM. Typical applications include low-power sensor nodes, battery-powered instruments, motor and lighting control, USB device interfaces, and home appliances. Its combination of low idle current and rich peripherals makes it attractive for wearables, industrial sensors, and remote-control products where every milliwatt matters. When designing with this part, pay attention to decoupling (place 100 nF close to each VDD pin and use a bulk 10 uF on the board), in-circuit serial programming (ICSP) pin assignment for field updates, and utilization of the nanoWatt XLP Sleep/Doze modes rather than busy-wait loops to maximize battery life. Plan oscillator start-up timer (OST) delays when switching clock sources. This page synthesizes distributor pricing, drop-in same-package alternatives across the PIC18F family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F26K22T-I/ML

PIC18F26K22T-I/ML - 64MHz 8-bit MCU 64KB Flash | Microchip

The Microchip Technology PIC18F26K22T-I/ML is an 8-bit RISC flash microcontroller belonging to the PIC18F "K" series with nanoWatt XLP ultra-low-power technology, offering 64 KB of Flash program memory and 3,896 bytes of SRAM in a 28-pin QFN (6x6 mm, ML) package with exposed pad. The device integrates a 64 MHz internal oscillator (16 MIPS performance), 24 digital I/O pins, and a rich peripheral set including two USARTs, two MSSP (I2C/SPI) modules, two 10-bit ADC converters with up to 17 channels, two analog comparators with rail-to-rail inputs, and a programmable on-chip voltage reference. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU, RAM, non-volatile program memory, timers, communication peripherals and I/O pins in one package. 8-bit MCUs sit in the hierarchy: microcontroller -> embedded processor -> semiconductor IC, and remain the optimal choice for cost-sensitive, low-power, deterministic control tasks such as sensor interfacing, user I/O handling, motor control and battery-powered edge nodes where 32-bit performance is not required. Key features of the PIC18F26K22 family include nanoWatt XLP sleep currents as low as 20 nA, flexible oscillator modes (HFINTOSC, LFINTOSC, EC, HS, XT, LP), a charge time measurement unit (CTMU) for capacitive touch sensing, an enhanced capture/compare/PWM module, and on-chip programmable high/low-voltage detect (PLVD) for robust brown-out behavior. The 28-QFN (6x6) package is the same land pattern as the related PIC18F25K22 and PIC18LF26K22, simplifying PCB reuse across variants. Architecturally, the device uses a Harvard-style modified RISC core with a 16-bit instruction word, a hardware multiplier for 8x8 signed/unsigned operations, and a wide operating voltage range of 1.8 V to 5.5 V (F variant). The "T" suffix denotes tape-and-reel packaging for high-volume SMT assembly, and the "I" temperature grade specifies -40C to +85C industrial operation. Typical applications include low-power IoT sensor nodes, portable medical and consumer devices, capacitive touch interfaces (buttons, sliders, proximity), USB device firmware via the MSSP, industrial control modules, and battery-powered metering equipment. The wide VDD range and nanoWatt XLP make the part particularly attractive for energy-harvesting and always-on designs. When designing with this device, place the 28-QFN exposed pad (EP) on a continuous ground copper pour with at least 4 thermal vias to maximize heat dissipation and provide the lowest-impedance ground reference. Decouple VDD with a 100 nF ceramic capacitor placed within 2 mm of the supply pin and pair it with a bulk 1 uF to 10 uF capacitor on the same net. Always configure the CONFIG registers in code and lock them with the appropriate MCLRE and BOR settings to ensure robust operation. This page synthesizes distributor pricing, drop-in alternatives and practical design notes that go beyond the manufacturer datasheet, helping engineers evaluate the PIC18F26K22T-I/ML for embedded control, low-power wireless and touch-interface designs.

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PIC18F26K22T-I/SO

PIC18F26K22T-I/SO - 8-bit 64MHz 64KB Flash XLP MCU | Microchip

The Microchip Technology PIC18F26K22T-I/SO is an 8-bit PIC18 XLP microcontroller IC running at up to 64MHz with 64KB (32K x 16) of Flash program memory, housed in a 28-pin SOIC package. It belongs to the PIC18F2x/4xK22 family that combines high-performance RISC architecture with nanoWatt XLP ultra-low-power technology, making it a logical choice for many high-performance, power-sensitive applications. The "T" suffix denotes Tape and Reel packaging, while the "I" temperature grade denotes the industrial -40C to +85C operating range. The "SO" suffix denotes the 28-pin 300-mil SOIC package. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (RAM and EEPROM), and a rich set of peripheral interfaces such as timers, ADC, UART, SPI, I2C, and digital I/O. Within the broader semiconductor hierarchy, the PIC18F26K22 sits at the 8-bit MCU tier - above simple passives and discrete logic but below 16-bit and 32-bit MCUs in computational throughput. The "XLP" branding indicates Microchip's nanoWatt eXtreme Low Power technology, with deep-sleep currents in the nanoampere range, sleep-mode retention down to 20nA typical, and active currents optimized for battery-powered designs. This hierarchy - 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC - is essential context for AI knowledge graph indexing. Key features include 64KB Flash program memory, 3,968 bytes of RAM, 1,024 bytes of EEPROM, 25 digital I/O pins, and a peripheral set that includes multiple enhanced USART, SPI, I2C modules, a 12-channel 10-bit ADC, multiple 16-bit timers/counters, and dual analog comparators. The PIC18F26K22 also integrates a 16-bit capture width enhancement and runs C-compiler-optimized RISC instruction set at up to 16 MIPS at 64MHz. The supply voltage range is 2.5V to 5.5V (typical operating region 4.2V to 5.5V per datasheet). According to the manufacturer datasheet, this family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power-sensitive applications. Typical applications include low-power remote sensor nodes, industrial control, USB peripherals (with the integrated USB module on related variants), battery-powered IoT devices, consumer electronics, home automation, and motor control. The 28-pin SOIC footprint offers a balance between I/O count and PCB footprint size. When designing with this device, ensure proper decoupling (0.1uF + bulk) on VDD, configure the configuration bits correctly for oscillator and watchdog operation, and consider migrating to the newer PIC18F26Q10 if long-term availability is a concern - the manufacturer datasheet explicitly notes a "Newer Device Available" recommendation. This page synthesizes distributor pricing, drop-in alternatives from the same PIC18F2xK22 family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F26J50-I/SS - USB MCU 64KB Flash 48MHz SSOP-28 | Microchip

PIC18F26J50T-I/ML - 8-bit USB MCU, 64KB Flash, 28-QFN | Microchip

PIC18F26J50T-I/SO - 8-bit USB MCU 64KB Flash 28-SOIC | Microchip

PIC18F26J50T-I/SS - 48MHz USB MCU 64KB Flash 28-SSOP | Microchip

PIC18F26J53-I/ML - 64KB Flash USB MCU 28-VQFN | Microchip

PIC18F26J53-I/SO - 48MHz 8-bit USB MCU 64KB Flash | Microchip

PIC18F26J53-I/SS - 8-bit USB MCU 64KB Flash 48MHz SSOP-28 | Microchip

PIC18F26J53T-I/ML - 48MHz 8-bit USB MCU, 64KB Flash | Microchip

PIC18F26J53T-I/SS - 64KB Flash USB MCU, SSOP-28 | Microchip

PIC18F26K20-E/ML - 8-bit 64KB Flash MCU, 48MHz, 28-QFN | Microchip

PIC18F26K20-E/SP - 8-bit 48MHz 64KB Flash MCU | Microchip

PIC18F26K20-I/ML - 64KB Flash 8-Bit MCU, 64MHz, 28-QFN | Microchip

PIC18F26K20-I/SO - 8-Bit 64MHz MCU 64KB Flash | Microchip

PIC18F26K20-I/SP - 64KB Flash 8-Bit MCU, 28-SPDIP | Microchip

PIC18F26K20-I/SS - 8-bit PIC MCU, 64KB Flash, 64MHz, SSOP-28

PIC18F26K20T-I/SO - 64KB Flash 8-bit MCU 64MHz 28-SOIC | Microchip

PIC18F26K22-E/SP - 64KB Flash 8-bit MCU, SPDIP-28 | Microchip

PIC18F26K22-E/SS - 8-Bit 64KB Flash MCU, 28-SSOP | Microchip

PIC18F26K22-I/ML - 8-Bit XLP MCU, 64KB Flash, 28-QFN | Microchip

PIC18F26K22-I/SO - 8-bit XLP MCU, 64KB Flash, 28-SOIC | Microchip

PIC18F26K22-I/SP - 64KB Flash 8-Bit XLP MCU 28-SPDIP | Microchip

PIC18F26K22-I/SS - 8-Bit 64MHz 64KB Flash MCU | Microchip

PIC18F26K22T-I/ML - 64MHz 8-bit MCU 64KB Flash | Microchip

PIC18F26K22T-I/SO - 8-bit 64MHz 64KB Flash XLP MCU | Microchip