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PIC18LF26K42T-I/MX - 64KB Flash, 64MHz 8-bit MCU | Microchip
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 - 8-bit XLP MCU 64KB Flash ECAN 28-QFN | Microchip
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 - 64MHz 8-bit MCU 64KB Flash ECAN XLP | Microchip
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 - 8-Bit 64MHz 64KB Flash MCU w/ ECAN | Microchip
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 - 64KB Flash 8-bit MCU, ECAN, XLP | Microchip
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 - 64KB Flash 8-bit XLP MCU w/ CAN | Microchip
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 - 64KB Flash 8-bit MCU 28-QFN | Microchip
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 - 8-Bit 64MHz MCU, 64KB Flash, 28-SSOP | Microchip
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 - 64KB Flash 8-bit MCU w/ CAN | Microchip
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 - 64KB Flash 8-Bit MCU w/ CAN, 28-SOIC | Microchip
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 - 8-bit 64MHz MCU, 64KB Flash, CAN, 28-SPDIP
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 - 64KB Flash, 8-bit XLP MCU, 28-SSOP | Microchip
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 - 64KB Flash, CAN, 12-bit ADC2 MCU | Microchip
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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PIC18LF26K83T-I/SO - 64KB Flash 8-bit MCU with CAN | Microchip
PIC18LF26K83T-I/SO

PIC18LF26K83T-I/SO - 64KB Flash 8-bit MCU with CAN | Microchip

The Microchip Technology PIC18LF26K83T-I/SO is an 8-bit PIC18 XLP microcontroller with 64 KB Flash, 4 KB RAM and integrated CAN technology, housed in a 28-pin SOIC wide-body package and operating at up to 64 MHz. The 'LF' prefix indicates the low-voltage / low-power variant that runs from 1.8 V to 3.6 V, while the standard 'F' variant runs up to 5 V. What is a PIC microcontroller? PIC (Peripheral Interface Controller) microcontrollers are Microchip's proprietary 8/16/32-bit RISC-based MCUs with a Harvard architecture, belonging to the broader category of microcontrollers -> embedded processors -> semiconductors. Within Microchip's portfolio the PIC18 family sits in the mid-range 8-bit tier, offering more peripherals, RAM and code density than the PIC10/12/16 families while retaining the same instruction set. The 'K83' sub-family specifically integrates an ADC2 (12-bit ADC with Computation) and a CAN FD controller, making it a hybrid analog/digital/communications MCU. Key features of the PIC18LF26K83 include 64 KB (32K x 16) self-programmable Flash, 4 KB SRAM, 1 KB EEPROM, a 12-bit ADC2 with Capacitive Voltage Divider (CVD) support for advanced touch sensing, a 10-bit DAC, five 16-bit timers, two comparators, and a CAN FD module. The XLP (eXtreme Low Power) feature set keeps active current around 5 mA at 64 MHz and allows sleep currents in the nanoamp range, well suited for battery-backed industrial nodes. The PIC18 (L)F25/26K83 family uses a 14-bit instruction width RISC core with a hardware multiplier, providing deterministic interrupt latency and C-compiler-friendly performance. The 28-pin SOIC footprint exposes two I/O ports (PORTB, PORTC), a full MSSP (SPI/I2C), two USARTs, and the CAN peripheral. Internal 32 MHz and 31 kHz oscillators reduce BOM cost and free two pins that older PIC18 devices reserved for crystals. Typical applications include industrial automation nodes, CAN-connected sensor hubs, low-power remote controls, touch-sensing human-machine interfaces, and automotive body controllers running at 3.3 V. The 12-bit ADC2 with CVD enables robust capacitive buttons and sliders without external touch ICs. The XLP sleep modes extend battery life in IoT edge nodes that wake periodically to transmit on CAN. When designing with this part, place a 100 nF decoupling capacitor on every VDD pin and keep the VDD/VSS traces short. For CAN bus applications, add a 120 ohm termination at each end of the bus and verify the CAN transceiver (e.g. MCP2561/ATA6560) shares the same logic-level threshold. When migrating from the PIC18F26K83, simply reduce VDD to 3.3 V; the LF device tolerates the same peripherals but at lower VDDmax. This page synthesizes verified distributor pricing, same-family Microchip drop-in alternatives, comparison tables, and practical design notes - information that is not assembled in any single manufacturer document or distributor page.

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PIC18LF27J13-I/SP - 128KB Flash 8-bit MCU 48MHz | Microchip
PIC18LF27J13-I/SP

PIC18LF27J13-I/SP - 128KB Flash 8-bit MCU 48MHz | Microchip

The Microchip Technology PIC18LF27J13-I/SP is an 8-bit PIC18 microcontroller in the low-power XLP nanoWatt family, featuring 128KB of Flash program memory, 4KB of RAM, and a 12 MIPS (48 MHz) MIPS16-enhanced CPU core housed in a 28-pin SPDIP (SP) through-hole package. The "LF" prefix denotes the 2.0V-3.6V low-voltage variant suited for battery-powered designs, while the "I" suffix specifies the industrial -40C to +85C operating temperature range. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor designed for embedded control, combining a compact instruction set with rich peripheral integration (ADC, timers, communication ports) on a single die. Within the broader taxonomy, PIC MCUs sit under the microcontroller category, which itself belongs to integrated circuits and embedded systems; the PIC18 sub-family adds hardware multiply, extended instructions, and C-friendly addressing over the baseline PIC16 line. Key features of the PIC18LF27J13-I/SP include 128KB self-programmable Flash (64K x 16 organization), 4KB SRAM, 12-bit A/D converter with up to 10 channels, multiple Enhanced USART, SPI, and I2C interfaces, 4 timers, a 10-bit PWM module, and Microchip's nanoWatt XLP deep-sleep modes drawing under 100 nA. The 48 MHz internal oscillator with PLL delivers 12 MIPS throughput, and the integrated RTCC with on-chip calibration supports accurate real-time clock operation without external crystals. Architecturally, the device uses a modified Harvard bus with separate program and data paths, a 16-bit instruction word, and a 32-level hardware stack. The Flash program memory is partitioned for boot loader and application use, and self-programmability enables in-application firmware updates. The 10-bit A/D converter with acquisition time programmable down to 0.4 us supports high-speed sensor sampling for motor control and instrumentation. Typical applications include consumer white goods, industrial sensor nodes, home-automation controllers, USB-to-UART bridges, portable medical telemetry, and low-power wireless sensor platforms. The deep-sleep nanoWatt technology extends battery life for energy-harvesting or coin-cell designs, and the wide peripheral set keeps external component count low. When designing with this part, verify the supply rail sits within the 2.0V-3.6V LF specification; the non-LF PIC18F27J13 family operates at 4.2V-5.5V. Use proper decoupling (100 nF plus 10 uF bulk) close to the VDD/VSS pins, and configure the configuration bits for the chosen oscillator mode before programming. This page synthesizes distributor pricing, drop-in compatible PIC alternatives, and practical low-power design notes not aggregated in the manufacturer datasheet.

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PIC18LF27J13-I/SS - 128KB Flash 48MHz 8-bit nanoWatt MCU | Microchip
PIC18LF27J13-I/SS

PIC18LF27J13-I/SS - 128KB Flash 48MHz 8-bit nanoWatt MCU | Microchip

The Microchip Technology PIC18LF27J13-I/SS is a high-performance 8-bit PIC18 RISC microcontroller in a 28-pin SSOP package, featuring 128KB Flash program memory, 4KB RAM, and a 48MHz internal clock speed delivering up to 12 MIPS of throughput. It integrates Microchip's nanoWatt XLP extreme low-power technology, 10-channel 12-bit ADC, two USART, two SPI, and I2C peripherals in a single low-pin-count SSOP-28 footprint. An 8-bit microcontroller is a programmable compute engine built around an 8-bit data path and Harvard architecture that separates program and data memories. PIC18 devices sit at the upper tier of Microchip's 8-bit PIC portfolio and offer the richest instruction set (75 instructions with optional extended mode), the largest memory densities, and the widest range of analog and communication peripherals in the 8-bit family. Designers choose 8-bit MCUs for cost-sensitive, low-power applications where the I/O count, code density and BOM size justify staying below 32-bit architectures. Key features that distinguish the PIC18LF27J13 include 128KB self-programmable Flash (64K x 16 words), 4KB SRAM, 256 bytes of EEPROM, deep-sleep current typically below 100 nA, and a peripheral pin-select (PPS) engine that lets digital peripherals be remapped onto a wide choice of physical pins. The 12-bit/10-channel ADC, two analog comparators, and a hardware RTCC with calendar mode round out the analog and timing features. Multiple power-managed operating modes - run, idle, sleep, deep sleep, and ultra-low-power wake - enable battery-life targets well beyond 1 year on a single CR2032 cell. Architecturally the chip pairs an 8-bit modified-RISC core with a wide peripheral set, internal 31 kHz and 8 MHz oscillators (plus a 48 MHz PLL on the F-variant), and a flexible 28-pin I/O mapping scheme. The 4.2-5.5V supply range simplifies integration into industrial sensor nodes, USB-CDC bridges, and 5V-rail mains-powered appliances without external level translation. Typical applications include industrial sensor conditioning with on-chip 12-bit ADC, low-power IoT sensor nodes using nanoWatt XLP modes, USB-CDC virtual COM-port bridges (PIC18F variant), motor-control signal pre-processing, and metering or measurement instruments. In each case the same-package drop-in alternatives on this page give designers multiple sourcing options without PCB rework. When designing with this part, pay close attention to PPS mapping - assigning I2C or UART to desired pins requires careful review of the PPS lock sequence in the datasheet. Use the ICD 3 or PICkit 4 debugger for production-intent bring-up and never rely on internal RC alone for asynchronous serial links. This page synthesizes distributor pricing, drop-in SSOP-28 alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF27J13T-I/ML - 128KB Flash 8-bit MCU, 28-VQFN | Microchip
PIC18LF27J13T-I/ML

PIC18LF27J13T-I/ML - 128KB Flash 8-bit MCU, 28-VQFN | Microchip

The Microchip Technology PIC18LF27J13T-I/ML is an 8-bit PIC18 XLP nanoWatt microcontroller delivering 48 MHz CPU performance with 128 KB Flash, 4 KB RAM, and a 12-bit ADC in a 28-pin VQFN (ML) 6x6 mm package with exposed thermal pad. It belongs to the low-power "LF" variant designed for 2.5V/3.3V operation and supports the PIC18 J-series peripheral set including deep-sleep modes for energy harvesting and battery-powered designs. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and configurable peripherals on a single die. Within the broader semiconductor taxonomy, an MCU sits inside the microcontrollers category, which itself is a sub-family of embedded processors and SoCs, ultimately classified under Integrated Circuits. Microchip's PIC18 family extends the original PIC architecture with enhanced 16-bit instructions, linear memory mapping, and C-friendly peripherals. Key differentiating features include the XLP (eXtreme Low Power) nanoWatt technology with deep-sleep currents below 100 nA, 12 MIPS sustained throughput, 10-bit ADC (with 12-bit option on selected channels), multiple communication peripherals (UART, SPI, I2C), and CTMU for capacitive touch sensing. The 28-VQFN package with exposed pad gives a compact 6x6 mm footprint suitable for space-constrained wearable and IoT designs. Technically, the PIC18LF27J13 uses a Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, 31-level hardware stack, and an internal PLL that derives the 48 MHz system clock from a low-frequency external crystal or internal oscillator. The peripheral set includes multiple timers, capture/compare/PWM modules, comparators, and a charge time measurement unit for touch. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, low-power wireless peripherals, capacitive touch user interfaces, home automation controllers, and consumer electronics where board area is constrained. The exposed pad on the VQFN package also improves thermal dissipation for environments up to 85 C industrial operation. When designing with this MCU, ensure the exposed thermal pad on pin 29 is soldered to a sufficient copper pour to meet the thermal resistance specification. Programming is supported by Microchip's MPLAB X IDE, XC8 compiler, and PICkit programmer ecosystem, and the deep-sleep wake sources should be planned before laying out the PCB. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering context for sourcing and replacement decisions across the PIC18LF family.

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PIC18LF27J13T-I/SO - 8-bit 48MHz 128KB Flash MCU | Microchip
PIC18LF27J13T-I/SO

PIC18LF27J13T-I/SO - 8-bit 48MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18LF27J13T-I/SO is a low-power 8-bit PIC18 microcontroller in a 28-pin SOIC (SO) package featuring 128 KB Flash program memory, 4 KB RAM, and a 12-bit ADC, delivered in Tape & Reel packaging. Built on the PIC18J family with nanoWatt XLP technology, the device runs up to 48 MHz (12 MIPS) and is engineered for low-power embedded designs where extended battery life and high analog precision are required. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, SRAM data memory, and peripheral interfaces on one die. Within the PIC18 family, the 'LF' suffix denotes the low-voltage (2.0 V to 3.6 V) variant, and the 'J' family adds nanoWatt XLP sleep modes, a 12-bit A/D converter, and on-chip peripherals such as comparators and CTMU. The PIC18J sits in Microchip's broader hierarchy: 8-bit PIC -> PIC18 -> PIC18J (low-power XLP) -> power management IC / semiconductor. Key features include 128 KB self-programmable Flash, 4 KB linear RAM, 12-bit ADC with up to 10 channels, an integrated RTCC, two I2C/SPI, two UART, and nanoWatt XLP sleep currents in the nanoamp range. The 28-SOIC package offers easy hand-soldering and breadboard-friendly assembly, making it ideal for prototypes, industrial modules, and cost-sensitive consumer devices. The PIC18J core uses a 16-bit modified Harvard architecture that supports C-compiled code efficiently. Hardware multipliers, an 8x8 hardware MAC, and DMA-free peripheral operation simplify firmware design while keeping deterministic interrupt response, a hallmark of PIC microcontrollers. Typical applications include battery-powered sensor nodes, USB/HID peripherals, industrial control boards, low-power wireless gateways, and medical instrumentation. The wide 2.0-3.6 V range suits Li-ion and two-AA-cell systems, while the 12-bit ADC enables precision temperature, voltage, and current measurements. When designing with the PIC18LF27J13T-I/SO, confirm that the supply rail stays within 2.0-3.6 V and that decoupling (100 nF + 10 uF) is placed close to VDD/VSS pins. Unlike the 5 V PIC18F version, this LF part must never see VDD above 3.6 V or its internal Flash charge pumps can be damaged. This page synthesizes LCSC and DigiKey stock data, Tape & Reel vs. tray options, drop-in same-family alternates, and practical design notes not aggregated in any single distributor page.

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PIC18LF27J13T-I/SS - 128KB Flash 8-bit MCU 48MHz SSOP-28 | Microchip
PIC18LF27J13T-I/SS

PIC18LF27J13T-I/SS - 128KB Flash 8-bit MCU 48MHz SSOP-28 | Microchip

The Microchip Technology PIC18LF27J13T-I/SS is an 8-bit PIC microcontroller from the PIC18 J-series family, featuring 128 KB of Flash program memory, 4 KB of RAM, and a 48 MHz internal CPU delivering up to 12 MIPS of performance. The device is housed in a 28-pin SSOP (5.30 mm / 0.209 in body width) package and is supplied in Tape & Reel (T/R) packaging for high-volume assembly. The /LF prefix indicates a low-voltage variant operating down to 2.0 V, paired with the nanoWatt XLP extreme-low-power technology for battery-conscious designs. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, optimized for embedded control tasks such as sensor interfacing, motor control, and human-machine interfaces. Within the broader hierarchy, microcontrollers sit below microprocessors and belong to the power management and embedded systems domain. The PIC18 family uses a modified Harvard architecture with separate program and data buses, and the J-series specifically adds peripherals such as a 12-bit ADC, comparators, and enhanced PWM/capture modules while keeping the same PIC18 instruction set. Key features include a 10-channel 12-bit ADC with automated Channel Scan mode, dual analog comparators, four 16-bit timers, two Capture/Compare/PWM (CCP) modules plus one Enhanced CCP (ECCP), two USART modules with LIN support, two SPI/I2C-compatible MSSP peripherals, and an integrated hardware RTCC. The /LF supply range of 2.0 V to 3.6 V makes the part drop-in compatible with single-cell Li-ion or two-cell alkaline battery rails. nanoWatt XLP technology delivers sleep currents in the nanoamp range, enabling years of operation on a single coin cell. The CPU executes a 16-bit instruction word over an 8-bit data bus, with a hardware multiplier and C-friendly architecture that supports pointer manipulation and a software stack. An integrated 31 kHz internal oscillator and a 48 MHz internal RC oscillator eliminate the need for an external crystal in cost-sensitive designs, while a PLL provides 48 MHz from the 4 MHz INTOSC source. Typical applications include portable medical monitoring devices, IoT sensor nodes, USB-to-UART bridges (using the MSSP/USART peripherals), low-power wireless HMI controls, and industrial sensor transmitters. The wide memory and peripheral set also suits appliance controllers and LED driver front-ends. When designing, verify the maximum I/O current budget per pin (typically 25 mA source/sink) and per port (typically 200 mA), and add adequate decoupling (0.1 uF + 10 uF) close to the VDD/VSS pairs. For low-power designs, follow Microchip TB1200 application note guidelines and use the deep-sleep watchdog and RTCC for wake-up events instead of polling. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the PIC18LF27J13T-I/SS that are not always present in the manufacturer datasheet summary.

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PIC18LF27J53-I/ML - 128KB Flash USB 8-bit MCU 28-QFN | Microchip
PIC18LF27J53-I/ML

PIC18LF27J53-I/ML - 128KB Flash USB 8-bit MCU 28-QFN | Microchip

The Microchip Technology PIC18LF27J53-I/ML is a low-power, high-performance 8-bit PIC18J-series microcontroller with integrated full-speed USB 2.0, 128KB Flash program memory, 4KB RAM, and a 48 MHz internal oscillator, housed in a 28-pin QFN (ML, 6x6 mm) package with exposed thermal pad. It targets cost-sensitive embedded designs that require USB connectivity, generous code space, and nanoWatt XLP power management for battery-backed applications. An 8-bit microcontroller (MCU) is a small, self-contained computing system on a single silicon die that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripheral blocks (timers, ADC, communication controllers, I/O). MCUs are the silicon building blocks of the embedded hierarchy: microcontroller -> embedded processor -> edge compute node -> IoT endpoint, and the PIC18 family sits in the mainstream 8-bit tier used for human-interface, motor-control, sensor-conditioning, and USB-connected consumer/industrial designs. Key specifications include 128KB (64K x 16) Flash, 4KB SRAM, a 10-bit ADC with up to 12 channels, multiple timers, PWM, I2C/SPI/UART/USART/USB, deep-sleep nanoWatt XLP modes, and an operating voltage of 2.0 V to 3.6 V (LF variant). The 28-pin QFN footprint and industrial -40C to +85C temperature range suit compact, fan-less, USB-equipped designs such as HID peripherals, point-of-sale terminals, and low-cost data loggers. The PIC18LF27J53 architecture combines a RISC-style 8-bit core with a 16-bit instruction path, hardware multiplier, C-friendly compiler support (XC8), and self-programming Flash for in-field firmware updates. Its deep-sleep current is in the nanoamp range, enabling years of standby operation from small coin-cell or Li-ion batteries. Typical applications include USB Human Interface Devices (HID), sensor/IoT nodes, portable medical accessories, industrial control panels, low-cost instrumentation, and consumer devices that require a reliable USB stack with low active and standby power draw. When designing with this part, plan the PCB layout to expose the exposed pad (EP) to a copper pour for thermal relief and ground return, place the 12 MHz external crystal (if used for USB accuracy) within a few millimeters of the OSC pins, and route the USB D+/D- pair as a 90-ohm differential with matched length to maintain USB compliance. This page synthesizes distributor pricing, drop-in QFN-28 alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF27J53-I/SO - 128KB Flash USB MCU | Microchip 28-SOIC
PIC18LF27J53-I/SO

PIC18LF27J53-I/SO - 128KB Flash USB MCU | Microchip 28-SOIC

The Microchip Technology PIC18LF27J53-I/SO is a low-power, high-performance 8-bit microcontroller from the PIC18 J-series with integrated full-speed USB 2.0, 128 KB of Flash program memory, 4 KB of RAM, and a 12 MIPS CPU core, housed in a 28-pin SOIC package (SO-28, 7.50 mm width). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals on one silicon die. In the system hierarchy it sits below microprocessors and FPGAs but above discrete logic, and is widely used in cost-sensitive embedded products where deterministic real-time control and ultra-low standby power are required. The PIC18 J-series specifically targets USB-enabled embedded designs and ultra-low-power (nanoWatt XLP) battery applications. Key features of the PIC18LF27J53 include a 48 MHz internal oscillator (12 MIPS instruction throughput), 128 KB self-programmable Flash, 4 KB RAM, on-board full-speed USB 2.0 device/host/OTG transceiver, a 10-bit ADC with up to 13 input channels, two analog comparators, four timers, two CCP/ECCP modules, I2C, SPI, and UART peripherals, plus deep-sleep nanoWatt XLP modes. The 28-pin SOIC (SO-28) package exposes 22 I/O pins suitable for moderately complex user interfaces and USB cable applications. Architecturally, the PIC18LF27J53 uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, allowing single-cycle execution except for branches. The integrated USB 2.0 SIE eliminates external transceiver cost, while the deep-sleep mode reduces current consumption to microamp levels for battery-powered designs. Typical applications include USB human-interface devices (HID keyboards, mice, gamepads), USB-to-UART bridges, portable data loggers, low-power sensor nodes with USB charging, and industrial control panels. The wide 2.0V to 3.6V operating range (LF variant) suits single-cell Li-ion or 3.3V regulated supplies. With its USB capability, ample Flash, and industrial -40C to +85C operating range, the PIC18LF27J53-I/SO bridges cost-sensitive consumer designs and certified industrial systems. When designing with this part, ensure the USB D+/D- traces are 90 ohm differential matched and the VUSB pin has a 0.47 uF decoupling capacitor per the Microchip reference schematic. Developers should also enable the PLL only after stable VDD to avoid USB enumeration failures during brown-out events. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF27J53-I/SP - 8-bit 48MHz USB MCU, 128KB Flash | Microchip
PIC18LF27J53-I/SP

PIC18LF27J53-I/SP - 8-bit 48MHz USB MCU, 128KB Flash | Microchip

The Microchip Technology PIC18LF27J53-I/SP is an 8-bit PIC microcontroller featuring 128 KB Flash program memory, 4 KB RAM, and an integrated full-speed USB 2.0 transceiver, packaged in a 28-pin SPDIP (0.300" wide plastic DIP). Operating up to 48 MHz (12 MIPS) from a 2.0-3.6 V supply, the 'LF' variant of the PIC18 J-series delivers high performance at low power. An 8-bit microcontroller (MCU) is a programmable single-chip computer that processes data in 8-bit units and integrates CPU, RAM, non-volatile Flash memory, and peripherals such as timers, ADC, and communication interfaces. Within the broader semiconductor hierarchy, the PIC18LF27J53 belongs to the PIC18 family (8-bit PIC RISC architecture) -> microcontroller -> microcontrollers & processors -> integrated circuit. The 'LF' prefix designates the low-voltage (2.0-3.6 V) variant, suitable for battery-powered designs, while 'J53' marks the USB-enabled sub-family with nanoWatt XLP technology. Key features include 128 KB self-programmable Flash, 4 KB RAM, an integrated USB 2.0 full-speed transceiver, 10-bit ADC with up to 13 channels, two comparators, three 16-bit timers, two UART, two SPI, two I2C, and nanoWatt XLP power management with deep sleep. The device supports up to 25 mA source/sink on I/O and includes CTMU for capacitive touch sensing. The PIC18LF27J53 uses Microchip's enhanced Harvard RISC architecture with a modified 16-bit instruction word executed in two bytes of Flash, achieving 12 MIPS at 48 MHz while consuming only nanoWatts in sleep. The integrated USB 2.0 SIE eliminates external PHY requirements and the on-chip 3.3 V regulator simplifies dual-rail designs. Typical applications include USB peripherals (HID, CDC, custom device classes), low-power sensor nodes with USB charging, capacitive touch user interfaces, industrial data loggers, and consumer electronics requiring USB connectivity with extended battery life. When designing with this part, observe the 2.0-3.6 V supply constraint for the 'LF' variant and the 28-pin SPDIP footprint's through-hole clearance. For SMT designs, consider the SOIC-28 and QFN-28 package variants within the same PIC18LF27J53 family.

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PIC18LF27J53T-I/ML - 128KB Flash USB 8-bit MCU | Microchip
PIC18LF27J53T-I/ML

PIC18LF27J53T-I/ML - 128KB Flash USB 8-bit MCU | Microchip

The Microchip Technology PIC18LF27J53T-I/ML is a low-power 8-bit PIC microcontroller from the PIC18LFXXJ53 family with integrated USB 2.0 full-speed support, 128 KB of flash program memory and 3.8 KB of RAM, housed in a 28-pin QFN (6x6 mm) package with an exposed thermal pad. It operates up to 48 MHz (12 MIPS), features 22 digital I/O lines, and includes a 12-bit ADC with up to 10 channels plus multiple serial interfaces such as SPI, I2C and USART (with LIN support). The "LF" prefix indicates the wide 2.0V to 3.6V core voltage range designed for battery-backed designs. A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory, RAM, peripherals, and I/O on a single silicon die. PIC18 microcontrollers use Microchip's enhanced Harvard RISC architecture, which separates program and data buses for higher instruction throughput. Within that hierarchy, the PIC18LF27J53 belongs to the XLP (eXtreme Low Power) "J53" sub-family - microcontrollers with USB peripherals optimized for portable and consumer applications. Typical J53 devices run from 2.0V to 3.6V and incorporate nanoWatt XLP sleep modes for battery-friendly operation. Key features of the PIC18LF27J53T-I/ML include the integrated USB 2.0 full-speed transceiver and SIE (which eliminates the need for an external PHY), 128 KB self-programmable flash with 1 KB of EEPROM endurance data, and 22 general-purpose I/O pins with interrupt-on-change capability. Additional integrated peripherals include two analog comparators, a 12-bit ADC with up to 10 channels, an RTCC, and four 16-bit timers. The "-I" suffix denotes the industrial -40C to +85C operating temperature range. The device uses a 16-bit modified Harvard RISC core with an 8-level hardware stack and 31-level software stack, delivering 12 MIPS performance at 48 MHz. Internal oscillator options include a precision 8 MHz HFINTOSC and a 31 kHz LFINTOSC, simplifying designs by eliminating external crystals in many cases. The QFN-28 package's exposed pad provides a low thermal resistance path and must be soldered to the PCB ground plane for reliable operation. Typical applications for this part include USB HID peripherals, USB-to-UART bridges, low-power data loggers, sensor hubs, consumer electronics with USB charging interfaces, and human-interface devices (keyboards, mice, game controllers). Industrial uses include battery-backed monitoring nodes and portable instrumentation. The part is also suitable for educational development boards and rapid prototyping because of its combination of USB, ADC, and serial peripherals. When designing with the PIC18LF27J53T-I/ML, pay attention to the 3.3V rail: USB signaling and core logic both require a regulated 3.3V supply, and the LF variant tolerates down to 2.0V when USB is disabled. The exposed thermal pad must be soldered to the ground plane to keep the junction within safe limits, and the internal oscillator accuracy may require calibration for USB compliance at low temperatures. This page consolidates verified distributor pricing, drop-in alternatives from Microchip's PIC18LF27J53 family and other pin-compatible 8-bit MCUs, and practical design notes that complement the manufacturer datasheet - synthesized specifically for embedded engineers selecting a USB-capable low-power MCU in QFN-28.

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PIC18LF27J53T-I/SO - 128KB Flash USB 8-bit MCU 28-SOIC | Microchip
PIC18LF27J53T-I/SO

PIC18LF27J53T-I/SO - 128KB Flash USB 8-bit MCU 28-SOIC | Microchip

The Microchip PIC18LF27J53T-I/SO is a low-power, high-performance 8-bit PIC microcontroller with integrated full-speed USB 2.0, 128 KB of Flash program memory and 4 KB of RAM, operating at up to 48 MHz (12 MIPS) in a 28-pin SOIC package. It belongs to the PIC18 J-series family and combines nanoWatt XLP deep-sleep modes with a 12-bit ADC and rich peripheral set for cost-sensitive USB-enabled embedded designs. What is an 8-bit PIC microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer that processes data 8 bits at a time, integrating a CPU, program memory (Flash), data memory (RAM), non-volatile EEPROM, and peripherals on one die. Within the Microchip taxonomy, this part belongs to the PIC18 family -> PIC18J sub-family -> PIC18LF27J53 USB series, all sharing the same Harvard RISC core architecture optimized for low power and deterministic interrupt response. Key features include 128 KB self-programmable Flash with 64K x 16 organization, 3.8 KB RAM, an integrated full-speed USB 2.0 device/host/OTG transceiver, a 10-channel 12-bit ADC, multiple Enhanced USART, I2C and SPI interfaces, and four timers. The nanoWatt XLP technology provides deep-sleep currents under 100 nA, enabling battery-powered designs that still wake on USB attach events. The device uses a modified Harvard architecture with a 16-bit instruction word and 8-bit data path, supported by a C-compiler-friendly instruction set. The integrated USB SIE handles low-level protocol autonomously, freeing the CPU for application logic. Wide operating voltage from 2.0 V to 3.6 V on the LF (low-voltage) variant enables direct Li-ion battery operation without external regulators. Typical applications include USB HID peripherals such as keyboards, mice and game controllers, USB-to-UART bridges, data loggers with USB connectivity, low-power sensor nodes with USB charging, and consumer electronics requiring plug-and-play USB device functionality. Industrial HMI panels and medical instrumentation also leverage the integrated USB for firmware updates and data export. When designing with this MCU, allocate sufficient PCB area for the 28-SOIC decoupling network and route the USB D+/D- pair as a 90-ohm differential pair. Configure the on-chip voltage regulator carefully: the LF variant requires an external 3.3 V rail for the core, while the F variant includes an internal 2.5 V regulator. This page synthesizes verified distributor pricing, pin-compatible drop-in alternatives, and practical design notes not assembled in the manufacturer datasheet alone.

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