Microcontroladores

Productos (18756)

PIC18LF13K22-I/P - 8KB Flash 8-bit MCU 20-PDIP | Microchip
PIC18LF13K22-I/P

PIC18LF13K22-I/P - 8KB Flash 8-bit MCU 20-PDIP | Microchip

The Microchip Technology PIC18LF13K22-I/P is an 8-bit PIC18-family flash microcontroller delivering 64 MHz (16 MIPS) performance from a 20-pin PDIP through-hole package, with 8 KB of flash program memory and 256 bytes each of RAM and EEPROM. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path CPU, typically a RISC or CISC core with on-chip flash, RAM, and peripherals. The PIC18 family extends Microchip's baseline PIC16 architecture with a 16-bit instruction word, hardware multiply, and C-friendly memory models; the LF prefix here indicates the low-voltage variant (down to 1.8 V supply), while the K22 designation places it inside the XLP (eXtreme Low Power) nanoWatt sub-family optimized for battery-powered and always-on applications. Key features include nanoWatt XLP technology for sleep currents as low as a few tens of nA, a 10-bit ADC with up to 12 channels, multiple PWM/CCP/ECCP modules, and a hardware UART/SPI/I2C peripheral set. The 1.8-3.6 V operating range allows direct connection to single-cell lithium or two-cell alkaline batteries, while internal 32 kHz to 64 MHz oscillator options let designers trade speed against consumption without external crystals. Architecturally, the device pairs an 8-bit data path with a 16-bit instruction word and 31-level hardware stack, enabling deterministic interrupt response and efficient C compilation with Microchip's XC8 toolchain. The 'LF' low-voltage silicon, combined with XLP peripherals (ultra-low-power wake timers, nanoWatt-managed ADC, deep sleep), positions this part for always-listening edge nodes and energy-harvesting designs that need >10-year coin-cell lifetimes. Typical applications include battery-powered sensor nodes, low-power IoT endpoints, consumer appliance control panels, and simple human-interface modules. Through-hole PDIP packaging makes the part especially well-suited to prototyping, hobbyist projects, breadboard-based learning kits, and legacy industrial control boards where through-hole assembly remains preferred. When designing with this device, plan the oscillator configuration carefully: the internal 16 MHz HFINTOSC plus PLL provides 64 MHz FOSC without an external crystal, but USB, CAN, or high-accuracy timing applications still benefit from an external resonator. Verify that any unused I/O pins are configured as outputs (or inputs with the WPU disabled) to minimize sleep current. This page synthesizes distributor pricing, drop-in compatible same-family and cross-family alternatives, and practical design notes extending beyond the manufacturer datasheet excerpt.

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PIC18LF13K22-I/SO - 8-bit 64MHz 8KB Flash XLP MCU | Microchip
PIC18LF13K22-I/SO

PIC18LF13K22-I/SO - 8-bit 64MHz 8KB Flash XLP MCU | Microchip

The Microchip Technology PIC18LF13K22-I/SO is an 8-bit PIC18 nanoWatt XLP flash microcontroller running at up to 64MHz (16 MIPS) with 8KB (4K x 16) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM, housed in a 20-pin SOIC package. The "LF" suffix designates the low-voltage F-variant core (1.8V-3.6V VDD), while "-I/" denotes the industrial temperature grade of -40°C to +85°C and "SO" identifies the 7.50 mm body 20-pin small-outline IC package. A PIC18 8-bit microcontroller is a Harvard-architecture RISC MCU in the broader category of microcontrollers -> embedded microcontrollers -> flash microcontrollers -> 8-bit microcontrollers -> semiconductor ICs. PIC18 devices are widely used for cost-sensitive, low-power embedded applications because they combine the simplicity of an 8-bit core with rich peripherals, C-compiler-optimized instruction set, and Microchip's mature MPLAB X toolchain. Key features include 10-bit ADC with up to 12 channels, multiple Enhanced USART, MSSP (SPI/I2C) interfaces, up to 17 I/O pins with individual interrupt-on-change capability, and nanoWatt XLP extreme low-power technology with sleep currents as low as sub-uA. The integrated 16MHz internal RC and 31kHz low-power oscillator eliminate external crystals in many designs. The PIC18LF13K22 architecture pairs a RISC core with a 16-bit wide instruction word and 8-bit data path, enabling single-cycle execution of most instructions and deterministic interrupt latency. The XLP power management provides multiple idle/sleep modes with dedicated deep-sleep and ultra-low-power wake-up sources, making the device suitable for battery-powered sensor and metering nodes. Typical applications include battery-powered sensor nodes, USB-free consumer peripherals (keyboards, remote controls, toys), low-cost sensor interfaces with on-chip ADC, and industrial control modules requiring extended temperature operation. Designers also use it as an upgrade target from older PIC16 designs needing more code space and a richer peripheral set. A key design consideration is that the LF core requires VDD between 1.8V and 3.6V; for 5V systems, select the PIC18F13K22 (F-core, 2.3V-5.5V VDD) instead. Always configure unused I/O pins as outputs low to minimize sleep current on XLP designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF13K22T-I/SO - 8KB Flash XLP MCU, 64MHz, 20-SOIC
PIC18LF13K22T-I/SO

PIC18LF13K22T-I/SO - 8KB Flash XLP MCU, 64MHz, 20-SOIC

The Microchip Technology PIC18LF13K22T-I/SO is an 8-bit PIC18 nanoWatt XLP flash microcontroller delivering up to 64 MHz (16 MIPS) CPU performance with 8 KB of Flash program memory, 256 bytes of RAM, and 256 bytes of data EEPROM, housed in a 20-pin SOIC (SO) package supplied on tape and reel. The 'LF' variant supports an extended low-voltage range down to 1.8 V, making it suited to battery and energy-harvesting systems, while retaining full 5 V compatibility up to 3.6 V on the 'F' variant. Peripherals include multiple 8/16-bit timers, PWM modules, Enhanced USART (EUSART), Master SSP (I2C/SPI), a 10-bit ADC with up to 12 channels, and a comparator; the nanoWatt XLP technology provides deep sleep modes in the nanoamp range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data RAM, and on-chip peripherals such as timers, communication interfaces, and analog blocks. MCUs sit below microprocessors in the embedded hierarchy and are widely used in products that need deterministic, low-cost, real-time control. The PIC18 family is Microchip's 8-bit high-performance tier with a C-optimized RISC architecture and 16-bit instructions, bridging hobby-grade baseline PIC and the more powerful dsPIC/PIC32 lines. The device features self-programmability, an ICD-friendly in-circuit debugging interface, and a wide operating temperature range of -40 °C to +85 °C (I-grade), making it suitable for industrial, consumer, and IoT end products. The 10-bit ADC, comparator, and PWMs simplify sensor-conditioning and motor/lighting-control tasks. Internal oscillators and an on-chip voltage reference reduce the external BOM. Typical applications include battery-powered IoT sensor nodes, low-power remote controls, consumer white goods, small appliances, industrial sensor transmitters, and USB-to-UART bridges. Combined with Microchip's MPLAB X IDE and XC8 toolchain, the PIC18LF13K22 provides an easy on-ramp for both new designs and legacy PIC upgrades. The 'T' suffix denotes tape-and-reel packaging for high-volume SMT lines. When designing, choose this part when your node is battery or energy-harvest powered, requires >2 KB of code space, and benefits from a 20-pin SOIC for hand-solder-friendly prototypes. Place decoupling close to VDD/VSS and follow Microchip's PCB layout guidelines for low-pin-count XLP devices.

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PIC18LF13K22T-I/SS - 8KB Flash 8-bit XLP MCU | Microchip
PIC18LF13K22T-I/SS

PIC18LF13K22T-I/SS - 8KB Flash 8-bit XLP MCU | Microchip

The Microchip Technology PIC18LF13K22T-I/SS is an 8-bit RISC microcontroller from the PIC18 XLP 18K family, featuring 8KB (4K x 16) of Flash program memory, 256 bytes of SRAM, and 256 bytes of data EEPROM. Housed in a 20-pin SSOP (5.30 mm body width) package, the part operates at up to 64 MHz from a 1.8V to 3.6V supply and supports industrial temperature ranges from -40 °C to +85 °C. What is a PIC18 XLP microcontroller? An 8-bit microcontroller is a single-chip computer built around an 8-bit data path; the PIC18 family is Microchip's high-performance 8-bit architecture, originally introduced as 16-bit-opcode C-optimized RISC with a Harvard structure. The "LF" prefix designates the low-voltage nanoWatt XLP variant, "K22" identifies the 8KB Flash code-density tier within the PIC18F1XK22 family, "T" denotes a tape-and-reel packaging format, "I" specifies the industrial temperature grade, and "/SS" marks the 20-pin SSOP package. Within the broader power-managed silicon hierarchy, this part sits at MCU -> 8-bit microcontroller -> PIC18 -> nanoWatt XLP family -> semiconductor IC. Key features of the PIC18LF13K22T-I/SS include nanoWatt XLP technology for ultra-low-power sleep currents (typical applications cite deep-sleep currents below 100 nA with the RTCC running), 10-bit ADC with multiple channel options, Enhanced Capture/Compare/PWM (ECCP) modules, mTouch capacitive-touch sensing support, an on-chip 32 kHz RTCC, and an internal selectable oscillator that can eliminate the external crystal in cost-sensitive designs. Up to 18 general-purpose I/O pins are available on the 20-pin package, suiting human-interface, sensor, and small-motor control panels. Technical depth: the part implements a modified Harvard architecture with separate 16-bit instruction and 8-bit data paths, an 8-level hardware stack, and a vectored interrupt controller. The XLP sleep modes combine hardware-assisted wake sources (RTCC, watchdog, INT, IOC) with a low-power brown-out reset (LPBOR) and a Windowed Watchdog Timer (WWDT). Device programming is supported via ICSP and the Enhanced ICSP framework, with Microchip's code-protection and Configurable Logic Cell (CLC) peripherals allowing flexible in-system configuration without external glue logic. Typical applications include battery-powered remote controls, low-power wireless sensor nodes, capacitive-touch user interfaces, industrial sensor hubs, and small appliances requiring 8-bit deterministic control. With the LF supply range down to 1.8V, the device can be powered directly from a single 3V coin cell or two AA cells. When designing with this part, allocate the 256-byte SRAM carefully for stack-intensive C calls and reserve the ECCP and CLC modules for timing-critical paths. The internal 16 MHz HFINTOSC plus the 31 kHz LFINTOSC give flexibility, but for UART or USB timing precision an external crystal is normally preferred. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a self-contained engineering reference for the PIC18LF13K22T-I/SS.

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PIC18LF13K50-I/MQ - 8-bit USB MCU 8KB Flash 48MHz | Microchip
PIC18LF13K50-I/MQ

PIC18LF13K50-I/MQ - 8-bit USB MCU 8KB Flash 48MHz | Microchip

The Microchip Technology PIC18LF13K50-I/MQ is an 8-bit PIC18 XLP microcontroller with integrated full-speed USB 2.0, 8 KB of Flash program memory, 512 bytes of RAM, and a 20-pin VQFN (MQ) 5x5 mm package. The LF prefix denotes the low-voltage variant operating from 1.8V to 3.6V, suitable for battery-powered designs leveraging the nanoWatt XLP technology for ultra-low sleep currents. The core runs at up to 48 MHz, providing the throughput required for USB 2.0 full-speed device operation. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripherals such as timers, ADCs, communication interfaces, and I/O. The PIC18LF13K50 belongs to the PIC18 8-bit family -> 8-bit microcontroller -> microcontroller -> embedded processor hierarchy, combining USB 2.0 connectivity with the energy efficiency of nanoWatt XLP for portable and consumer designs. Key features include a 10-bit ADC with up to 11 channels, mTouch capacitive touch sensing support, an internal voltage reference, a digital-to-analog peripheral, two PWM modules, and a configurable logic cell. The integrated USB 2.0 full-speed transceiver with on-chip 3.3V regulator eliminates the need for external USB transceivers, enabling direct connection to a USB Type-A or micro-AB port without expensive external components. The device supports internal oscillator modes up to 16 MHz and high-frequency oscillator modes for the 48 MHz USB clock. The 20-pin VQFN (MQ) package occupies a 5x5 mm PCB footprint, providing a compact solution for space-constrained designs. The device operates over the industrial -40C to +85C temperature range. The LF low-voltage variant is targeted at battery-powered USB peripherals, while the F variant (PIC18F13K50) extends operation up to 5.5V for bus-powered USB applications. Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB-to-UART bridges, USB sensor nodes, battery-powered data loggers, capacitive touch USB interfaces, medical USB dongles, and industrial USB interface modules. The integrated USB 2.0, low power consumption, and small footprint make it ideal for any embedded design requiring USB connectivity with minimal external component count. When designing with this MCU, plan the USB bus-power decoupling: a 10uF bulk capacitor plus 100nF ceramic near the VUSB pin is recommended to meet USB suspend current requirements. The on-chip LDO produces 3.3V from the 5V VBUS line and feeds the internal USB transceiver and a limited amount of external circuitry; budget no more than ~3 mA external load on the 3.3V rail. Software development uses MPLAB X IDE with the XC8 compiler and the Microchip USB framework stack. This page synthesizes distributor pricing (as of 2026-09-28), drop-in compatible alternatives in the same VQFN-20 footprint, and practical design notes that supplement the manufacturer datasheet for engineers evaluating the PIC18LF13K50-I/MQ.

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PIC18LF13K50-I/P - 8-bit USB MCU, 8KB Flash, 20-PDIP | Microchip
PIC18LF13K50-I/P

PIC18LF13K50-I/P - 8-bit USB MCU, 8KB Flash, 20-PDIP | Microchip

The Microchip Technology PIC18LF13K50-I/P is a low-power 8-bit PIC18 microcontroller featuring a full-speed USB 2.0 interface, 8 KB of Flash program memory, 512 bytes of RAM, and a 10-bit ADC, supplied in a 20-pin PDIP (PDIP-20) through-hole package. It operates from 2.0V to 5.5V and supports clock speeds up to 48 MHz, with an internal oscillator and an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on a single die. The PIC18 family belongs to Microchip's 8-bit PIC architecture, sitting above the baseline PIC10/12/16 families in features and peripheral richness. The LF prefix denotes the low-voltage, low-power (nanoWatt XLP) variant suitable for battery-powered and energy-harvesting designs. Key features include 15 general-purpose I/O pins shared with peripheral functions, a 10-bit Analog-to-Digital Converter (ADC) with multiple input channels, support for I2C, SPI, EUSART (asynchronous/synchronous serial), and USB through on-chip transceivers, plus nanoWatt XLP technology for deep sleep currents under 1 uA. The 8 KB Flash is organized as 4K x 16 words, suitable for USB class firmware stacks such as CDC, HID, or custom vendor classes. The PIC18LF13K50 employs an enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path, providing deterministic interrupt latency and single-cycle instruction execution for most opcodes. The integrated USB 2.0 full-speed transceiver, 3.3V regulator, and on-chip pull-ups remove the need for external USB interface components, reducing BOM cost and PCB area in cost-sensitive USB peripherals. Typical applications include USB HID input devices (keyboards, mice, custom controls), USB-to-UART bridge dongles, low-power sensor nodes with USB diagnostics, industrial USB isolators, and educational development boards where the PDIP package simplifies hand soldering and breadboard prototyping. When designing with this device, ensure the USB D+/D- trace impedance matches 90 ohm differential per USB 2.0 specification and place the VUSB bypass capacitor within 5 mm of the VUSB pin. The LF prefix guarantees full-speed USB operation down to 2.0V, enabling single-cell Li-ion (3.7V nominal) designs without a boost converter. This page synthesizes distributor pricing, drop-in alternative MCU recommendations, and practical design notes not found in the manufacturer datasheet alone, giving engineers a complete evaluation reference.

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PIC18LF13K50-I/SO - 8-bit 48MHz USB MCU 8KB Flash | Microchip
PIC18LF13K50-I/SO

PIC18LF13K50-I/SO - 8-bit 48MHz USB MCU 8KB Flash | Microchip

The Microchip PIC18LF13K50-I/SO is an 8-bit PIC® XLP™ 18K microcontroller IC delivering 48 MHz CPU performance from an 8 KB (4K x 16) FLASH program memory, housed in a 20-pin SOIC (0.295"/7.50 mm width) package. The 'LF' suffix denotes the low-voltage (2.0 V to 3.6 V) variant of Microchip's PIC18F1xK50 USB family, while the 'F' parts target 2.0 V to 5.5 V operation. Both share a full-speed USB 2.0 device peripheral with on-chip transceiver. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM/EEPROM), and peripherals such as timers, ADC, and communication interfaces into one IC. The PIC18LF13K50 belongs to the 8-bit RISC PIC18 family, which sits within Microchip's 8-bit MCU hierarchy alongside PIC16 and PIC12 sub-families. Its eXtreme Low Power (XLP) technology category enables sleep currents under 1 µA typical, making it suitable for USB-powered or battery-powered embedded designs where power budgets are tight. Key features include 512 bytes of data RAM, 256 bytes of EEPROM, 15 I/O pins, a 10-bit ADC with multiple channels, and hardware USB 2.0 full-speed with on-chip transceiver. The 48 MHz internal oscillator eliminates the need for an external crystal in many designs. CIP (Core Independent Peripherals) such as CWG, CCP, and EUSART reduce firmware overhead. Master Clear Reset (MCLR), ICSP (In-Circuit Serial Programming), and debug support are integrated. Typical applications include USB human-interface devices (HID) such as keyboards and mice, USB-to-UART bridges, low-cost USB dongles, consumer electronics with USB charging/communication, and battery-powered IoT edge nodes. The wide 2.0 V to 5.5 V supply range (F variant) or 2.0 V to 3.6 V (LF variant) supports both 3.3 V and 5 V system rails commonly used in legacy and modern USB designs. When designing, route the USB D+/D- pair with 90-ohm differential impedance, place decoupling capacitors within 2 mm of VDD/VSS pins, and confirm regulator headroom. For the SOIC-20 variant, ensure the PCB land pattern matches JEDEC MS-013 standards. Designers should verify whether their application requires the 'F' (wider voltage) or 'LF' (low-power 3.3 V max) variant. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18F1xK50 family, design notes, and PCB layout guidance that go beyond the manufacturer datasheet. All pricing references are as of 2026-09-28.

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PIC18LF13K50-I/SS - 8-bit USB MCU, 48MHz, 8KB Flash | Microchip
PIC18LF13K50-I/SS

PIC18LF13K50-I/SS - 8-bit USB MCU, 48MHz, 8KB Flash | Microchip

The Microchip Technology PIC18LF13K50-I/SS is a 20-pin, 8-bit PIC18 microcontroller with integrated full-speed USB 2.0, 8KB of Flash program memory, 512 bytes of SRAM, and a 48 MHz internal oscillator, housed in an industrial-grade SSOP-20 (5.30 mm) package. It belongs to the PIC18F/LF1XK50 family and is built on the nanoWatt XLP (eXtreme Low Power) platform, providing sleep currents in the microamp range while still supporting active USB transactions. 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 (ADC, timers, communication ports, and I/O). The PIC18 family sits within Microchip's 8-bit PIC architecture hierarchy, between the baseline PIC10/12/16/17 families (lower pin count / simpler peripherals) and the 16-bit PIC24/dsPIC families. It is a popular choice when deterministic interrupt response, low cost, and easy C or assembly programming matter more than raw MIPS. The LF prefix indicates the low-voltage/F-version silicon that runs down to 1.8 V, while the F-version requires 2.0 V minimum. Key features include 15 general-purpose I/O pins, a 10-bit ADC with up to 9 channels, two 8-bit timers plus one 16-bit timer, a 10-bit PWM module, two comparators, an I2C/SPI/EUSART set, and the on-chip full-speed USB 2.0 transceiver with internal pull-up and clock recovery. The internal 48 MHz oscillator is accurate enough for USB full-speed operation, eliminating the need for an external crystal in many designs. The architecture combines a Harvard RISC CPU with hardware Multiply and a 31-level stack, providing predictable interrupt latency for real-time USB, sensor, and Human Interface Device (HID) tasks. The nanoWatt XLP technology adds multiple low-power modes (Idle, Sleep with peripherals running) and a hardware RTCC that can run from a 32 kHz source. Typical applications include low-cost USB peripherals (HID keypads, mice, sensors, custom CDC devices), battery-powered data loggers, portable medical accessories, industrial USB-to-UART bridges, and any compact embedded design that needs USB connectivity without the BOM cost of an external PHY. When laying out the PCB, place the VDD/VSS decoupling network as close to the IC body as possible (typically 100 nF plus a bulk 1-10 uF), respect the USB DP/DM trace impedance requirement of 45 ohm differential, and leave the ICSP/ICD pins accessible for in-system programming and debugging. This page combines distributor pricing, parameter-by-parameter comparison against compatible same-package PIC18 alternates, and engineering design notes that go beyond what the manufacturer datasheet alone provides.

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PIC18LF13K50T-I/SS - 8KB Flash USB MCU 20-SSOP | Microchip
PIC18LF13K50T-I/SS

PIC18LF13K50T-I/SS - 8KB Flash USB MCU 20-SSOP | Microchip

The Microchip Technology PIC18LF13K50T-I/SS is an 8-bit PIC18 microcontroller with integrated USB 2.0 full-speed support, 8KB of Flash program memory, 512 bytes of RAM, and a 10-bit ADC, housed in a 20-pin SSOP package. It operates up to 48 MHz and is part of the nanoWatt XLP (eXtreme Low Power) family targeting USB-aware embedded designs. What is a USB microcontroller? A USB microcontroller is a standard MCU that integrates a Universal Serial Bus 2.0 transceiver and Serial Interface Engine (SIE) on-die, eliminating the need for an external USB PHY or voltage regulator for VBUS. The PIC18LF13K50 family belongs to the 8-bit PIC18 hierarchy under Microchip's microcontroller taxonomy: 8-bit MCU -> PIC18 -> PIC18Fxx -> PIC18FxK50 (USB sub-family) -> PIC18LF13K50 (low-voltage 'LF' variant). The LF prefix denotes an extended low-voltage core (1.8V-3.6V), distinguishing it from the standard PIC18F13K50 (2.7V-5.5V). Key features include 15 I/O pins, 10-bit ADC with up to 9 channels, 2 comparators, Enhanced USART, MSSP for SPI/I2C, and 256 bytes of EEPROM. The integrated USB 2.0 full-speed transceiver supports device, host, and OTG modes with internal 3.3V regulator. nanoWatt XLP technology delivers sub-1uA sleep currents, making the part suitable for USB bus-powered and battery-backed applications. The architecture uses a RISC-like Harvard design with 49 instruction types and 16-bit instructions, providing predictable interrupt latency and deterministic response for USB packet timing. The internal oscillator block supports 31 kHz-16 MHz without crystals, with PLL multiplication to 48 MHz for USB. Typical applications include USB HID peripherals (keyboards, mice, gamepads), USB-to-UART bridges, USB sensor nodes, low-power data loggers with USB charging, and USB-charged wearables. The wide operating range also suits industrial HMI panels with USB diagnostics. When designing with this part, ensure the VBUS pin sees 5V tolerant input while VDD runs at 1.8V-3.6V. The internal 3.3V USB regulator requires a 200nF decoupling cap and at least 220uF bulk capacitance on VBUS for inrush compliance. This page synthesizes distributor pricing, drop-in alternatives from the same family, and practical USB hardware design notes not consolidated in the manufacturer datasheet.

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PIC18LF14K22-E/ML - 8-bit XLP MCU 16KB Flash 20-QFN | Microchip
PIC18LF14K22-E/ML

PIC18LF14K22-E/ML - 8-bit XLP MCU 16KB Flash 20-QFN | Microchip

The Microchip Technology PIC18LF14K22-E/ML is an 8-bit PIC® XLP™ 18K microcontroller running up to 48 MHz with 16 KB (8K x 16) of Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM, housed in a 20-pin QFN (4x4 mm) package with exposed pad. It targets ultra-low-power embedded designs that need serial connectivity and 10-bit analog in a compact footprint. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, peripherals, and I/O on one die. The PIC18LF14K22 belongs to the 8-bit PIC18 family - a modified Harvard RISC architecture that is C-compiler optimized and widely supported by the MPLAB X toolchain. Within the broader taxonomy, this device sits as: PIC18LF14K22 -> PIC18 MCU family -> 8-bit microcontroller -> embedded microcontroller -> semiconductor IC. Its nanoWatt XLP technology extends this category into battery-powered applications where quiescent current in the microamp range matters. Key features include 18 general-purpose I/O lines, 10-bit ADC, two comparators, capture/compare/PWM modules, and configurable serial interfaces (EUSART, I²C, SPI). The device operates from 1.8 V to 3.6 V supply (LF suffix), supports ICSP and in-circuit debugging via MPLAB tools, and offers enhanced low-power sleep modes. According to the verified Microchip datasheet, the 20-QFN package is well-suited to space-constrained PCB designs where the exposed thermal pad aids dissipation during active transmission. Architecturally, the LF14K22 combines a 16-bit instruction word with an 8-bit data path, allowing single-cycle execution at 48 MHz (16 MIPS). Internal features such as a configurable oscillator, on-chip voltage reference, and a fixed-voltage reference (FVR) reduce external component count. Compared to the non-LF PIC18F14K22 variant, the LF part targets lower voltage rails (down to 1.8 V) for direct Li-ion or two-AAA battery operation. Typical applications include wearable health and fitness devices, remote sensor nodes, low-power wireless modules, USB HID interfaces (the closely-related PIC18LF14K50), home automation endpoints, and industrial sensor front-ends. The combination of nanoWatt XLP sleep currents and 16 MIPS throughput makes it equally at home in always-on IoT edge nodes and battery-powered handheld instruments. When designing with this part, allocate the exposed pad (EP) as a continuous copper pour on the top layer tied to VSS for thermal and electrical performance. Choose decoupling capacitors (100 nF + 1 µF minimum) as close as practical to VDD/VSS, and follow Microchip AN1254 'Microcontroller Emulation' guidance when planning debug header placement. This page synthesizes distributor pricing, verified drop-in alternatives within the same 20-QFN footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF14K22-I/ML - 8-bit 64MHz 16KB Flash MCU | Microchip
PIC18LF14K22-I/ML

PIC18LF14K22-I/ML - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18LF14K22-I/ML is a low-power 8-bit PIC18 XLP flash microcontroller delivering 64 MHz CPU performance with 16 KB flash, 512 bytes SRAM and 256 bytes EEPROM, housed in a 20-pin QFN (4x4 mm) package with exposed pad. It targets the "LF" wide-bandgap-tolerant 1.8 V to 3.6 V supply range, with the "I" suffix indicating the industrial -40 C to +85 C operating window and the "/ML" suffix denoting the QFN-20 surface-mount package with tape-and-reel. What is a microcontroller (MCU)? An MCU is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, data EEPROM and a rich set of peripheral interfaces (ADC, timers, UART, I2C, SPI, PWM) on one die. PIC18LF devices sit in Microchip's mid-range 8-bit portfolio between the PIC16 baseline family and the PIC24/dsPIC33 16-bit families, and are commonly chosen when designers want C-compiler-friendly RISC performance at very low sleep currents (the XLP "eXtreme Low Power" series targets nanoWatt sleep current below 50 nA typical). Key features of the PIC18LF14K22 include 16 KB self-programmable flash with 10,000-cycle endurance, 256 bytes EEPROM, a 10-bit ADC with up to 12 channels, multiple Enhanced USART, MSSP (SPI/I2C) ports, nanoWatt XLP sleep modes, and a wide 1.8 V to 3.6 V operating voltage range. The 20-QFN package exposes a thermal pad for improved heat removal and enables compact PCB layouts. Architecturally, the PIC18LF14K22 implements a Harvard RISC core with 49 instructions, an 8-level hardware stack and hardware multiply, running up to 16 MIPS at 64 MHz from a 4x PLL. The integrated 16 MHz internal RC oscillator (HFINTOSC) plus PLL flexibility removes the need for an external crystal in cost-sensitive designs, while the XLP nanoWatt technology module provides multiple deep-sleep modes with selective peripheral gating for battery applications. Typical applications include battery-powered sensor nodes, USB HID peripherals, portable instrumentation, low-cost industrial control, e-metering, low-power IoT end nodes, white-goods user interfaces and consumer remote controls. When designing with this device, place decoupling (100 nF plus 1 uF bulk) within 3 mm of the VDD pin, tie the exposed thermal pad to a continuous ground plane for thermal and electrical reasons, and respect Microchip's in-circuit serial programming (ICSP) pinout to keep test access available. This page synthesizes distributor pricing, drop-in same-package alternatives and practical design notes drawn from the Microchip datasheet family plus cross-reference search results - giving engineering and procurement teams a single 360-degree view not found on any single distributor page.

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PIC18LF14K22-I/P - 8-bit XLP MCU 16KB Flash 64MHz 20-PDIP
PIC18LF14K22-I/P

PIC18LF14K22-I/P - 8-bit XLP MCU 16KB Flash 64MHz 20-PDIP

The Microchip Technology PIC18LF14K22-I/P is a 20-pin 8-bit PIC18 flash microcontroller built on the nanoWatt XLP (eXtreme Low Power) platform, housed in a 20-PDIP (300 mil) through-hole package. It integrates 16 KB of Flash program memory (8K × 16), 512 bytes of SRAM, and 256 bytes of data EEPROM, and operates at speeds up to 64 MHz. The LF prefix designates the low-voltage variant supporting 1.8V-3.6V operation, ideal for battery-powered designs. An 8-bit PIC microcontroller is a compact, deterministic Harvard-architecture MCU that executes one byte-wide instruction per cycle. It belongs to the PIC18 high-performance family, sits above PIC16 (mid-range) and below PIC24/dsPIC (16-bit) in Microchip's taxonomy, and is widely used in cost-sensitive embedded applications where low power, small code footprint, and simple peripheral integration matter more than raw compute throughput. Key features include nanoWatt XLP sleep currents down to the sub-microamp range, an integrated 10-bit ADC, multiple PWM modules, EUSART, MSSP (SPI/I2C), and up to 18 I/O pins. The CPU is C-compiler optimized (MPLAB XC8 compatible), and development is supported by MPLAB X IDE, MPLAB Code Configurator (MCC), and PICkit/SNAP programmers. Typical applications include low-power IoT sensor nodes, battery-powered consumer products, LED lighting controllers, portable medical accessories, and industrial control modules. The 20-PDIP package simplifies breadboarding and rework, making PIC18LF14K22-I/P well-suited for prototypes, education, and small-batch production. When designing with this device, prioritize decoupling (0.1 µF near VDD), use the internal oscillator when possible, and validate low-power claims with the XLP current spec at the actual operating voltage. Verify I/O count and peripheral overlap against datasheet pin tables before PCB layout.

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PIC18LF14K22-I/SO - 16KB Flash 8-bit XLP MCU | Microchip
PIC18LF14K22-I/SO

PIC18LF14K22-I/SO - 16KB Flash 8-bit XLP MCU | Microchip

The Microchip PIC18LF14K22-I/SO is a low-power 8-bit PIC18 microcontroller with nanoWatt XLP technology, 16 KB Flash program memory, 512 bytes SRAM, and 256 bytes EEPROM, packaged in a 20-pin SOIC (0.295" / 7.50 mm width) and operating from 1.8 V to 3.6 V. The CPU runs up to 64 MHz delivering 16 MIPS, integrating 12-bit ADC, PWM, mTouch capacitive touch sensing, and on-chip peripherals including I2C, SPI, UART/USART, and LIN support. The 'LF' voltage range (1.8 V to 3.6 V) and 'I' industrial temperature grade (-40C to +85C) make this part the low-voltage variant of the PIC18F14K22 family. What is a PIC18 microcontroller? The PIC18 is Microchip's high-performance 8-bit RISC MCU family, positioned above the PIC16 and PIC10/12/16 baseline families in the PIC taxonomy (8-bit PIC -> PIC18 -> PIC18F1XK22 sub-family). PIC18 MCUs use a Harvard architecture with separate program and data buses, a hardware multiplier, and C-compiler-optimized instruction set. The nanoWatt XLP technology reduces standby current to the nanoampere range, allowing battery-powered designs to sleep for years. Key features include 16 KB self-programmable Flash, 512 bytes SRAM, 256 bytes EEPROM, 18 I/O pins, 12-bit ADC with up to 11 channels, enhanced CCP/PWM, mTouch capacitive touch support, internal oscillator up to 64 MHz, and ultra-low-power sleep current. The 20-pin SOIC footprint is industry-standard, easing layout and prototyping, while the 8-bit core and 16 MIPS throughput target cost-sensitive embedded control. Typical applications include low-power battery sensors, capacitive touch user interfaces, consumer appliance control, IoT edge nodes, and LIN slave nodes in automotive body electronics. Peripherals such as mTouch and 12-bit ADC allow direct sensor integration without external analog ICs, while the LIN hardware block enables automotive-grade sub-bus communication. When designing with this device, the user should bias I/O carefully within the 1.8 V to 3.6 V supply range and verify that the chosen decoupling capacitance satisfies Microchip's Vdd/Vss layout rules. The debugger interface uses ICSP, supported by MPLAB X IDE and the MPLAB Code Configurator (MCC). This page synthesizes distributor pricing, drop-in alternatives, design notes, and parametric comparisons not found on a single distributor product page. Cross-reference recommendations follow Microchip's own PIC18F1XK22 family tree.

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PIC18LF14K22T-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-20 | Microchip
PIC18LF14K22T-I/ML

PIC18LF14K22T-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-20 | Microchip

The Microchip PIC18LF14K22T-I/ML is a low-power 8-bit PIC18 microcontroller from the nanoWatt XLP family, featuring 16 KB of Flash program memory, 512 bytes of SRAM and 256 bytes of EEPROM, in a 20-pin QFN (4x4 mm) package. It operates at up to 64 MHz (16 MIPS) from a 1.8 V to 3.6 V supply and integrates 12 channels of 10-bit ADC, two rail-to-rail comparators, a fixed voltage reference, and multiple serial interfaces (UART, SPI, I2C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces into one package. Within the broader hierarchy, the PIC18LF14K22T-I/ML is an 8-bit microcontroller -> microcontroller unit (MCU) -> embedded controller -> semiconductor device. The "LF" prefix denotes the low-voltage variant (1.8-3.6 V), while the "K22" series adds nanoWatt eXtreme Low-Power (XLP) technology with deep-sleep currents below 50 nA, making it a member of Microchip's energy-efficient MCU family. Key features include a 16 MHz internal oscillator with 4x PLL for 64 MHz operation, 16 KB Flash (8K x 16 words), 512 bytes RAM, 256 bytes EEPROM, a 10-bit ADC with 12 channels, two comparators with selectable on-chip voltage reference, 18 I/O pins, and the standard PIC18 peripheral set (CCP, EUSART, MSSP, CWG). The 20-QFN package (4x4 mm) offers a compact footprint suitable for space-constrained designs. Architecturally, the device uses Microchip's enhanced PIC18 Harvard RISC core with a 16-bit instruction word and 8-bit data path, executed through a 2-stage pipeline. The XLP nanoWatt technology includes Sleep mode (down to ~20 nA typical), watchdog timer disable in Sleep, ultra-low-power watchdog (~500 nA), and a real-time clock calibration mode. The ADC uses a successive-approximation register (SAR) architecture, and the comparators can source/sink small currents for analog signal conditioning without external op-amps. Typical applications include battery-powered IoT sensor nodes, low-power remote controls, portable medical devices, energy-harvesting systems, automotive body electronics, USB device peripherals (when paired with PIC18LF13K50), and small home appliances. The combination of high MIPS at low voltage and ultra-low Sleep current makes it suitable for products where battery life is critical. When designing with the PIC18LF14K22T-I/ML, allocate the QFN thermal pad correctly with a 0.1 mm via array to ground for proper heat spreading, and ensure the analog supply AVSS is tied to digital ground to minimize ADC noise. Programming is supported via MPLAB X IDE, MPLAB XC8 compiler, and the PICkit 5 in-circuit debugger - all covered by Microchip's free tool chain. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and practical design notes that are not found in the manufacturer datasheet itself.

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PIC18LF14K22T-I/SO - 8-bit 64MHz 16KB Flash MCU 20-SOIC | Microchip
PIC18LF14K22T-I/SO

PIC18LF14K22T-I/SO - 8-bit 64MHz 16KB Flash MCU 20-SOIC | Microchip

The Microchip Technology PIC18LF14K22T-I/SO is a low-power 8-bit PIC microcontroller from the PIC18F/LF1XK22 family, featuring 16KB (8K x 16) of Flash program memory, an 8-bit data path, and a 64 MHz maximum CPU clock speed in a 20-pin SOIC package. The 'LF' prefix denotes the low-voltage variant with a 1.8V-3.6V VDD operating range, while the 'T' suffix designates tape-and-reel packaging for high-volume assembly, and 'I/SO' indicates the -40C to +85C industrial temperature grade in the 7.50 mm wide 20-SOIC outline. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM and EEPROM), peripheral interfaces, and I/O pins. The PIC18 architecture is an 8-bit C-compiler-friendly RISC core designed by Microchip for embedded control. As part of the broader taxonomy, this part sits at: PIC18 microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The LF (low-voltage, low-power) subfamily extends the core with Microchip's nanoWatt XLP technology, enabling deep sleep currents as low as 20 nA typical. Key specifications include 16KB Flash program memory, 512 bytes of SRAM, 256 bytes of EEPROM, a 10-bit ADC with up to 12 channels, two 8-bit timers plus three 16-bit timers, two CCP modules, an Enhanced USART, an MSSP (SPI/I2C) module, and up to 17 digital I/O pins. The device operates from 1.8V to 3.6V with typical active current under 5 mA at 4 MHz, making it ideal for battery-powered applications. The device uses Microchip's enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path. Its internal 16 MHz/64 MHz oscillator with PLL provides flexible clock options without external components. Hardware multiply and a C-optimized instruction set deliver throughput suitable for sensor processing and basic protocol handling. Typical applications include IoT sensor nodes, battery-powered wireless transmitters (RF remotes, beacons), wearable health monitors, low-cost motor control loops, USB-to-UART bridges, and consumer appliance user interfaces. The wide operating voltage range makes it suited to single-cell Li-ion or 2xAA/AAA battery packs. When designing with this part, place decoupling capacitors (100 nF and 10 uF) within 5 mm of VDD/VCAP pins. Use the internal 16 MHz HFINTOSC for cost-sensitive designs or an external crystal when timing accuracy is critical for UART or USB. The MCLR pin requires a 10 kohm pull-up for reliable operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, with all values cross-checked against the 388-page Microchip PIC18LF14K22 datasheet.

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PIC18LF14K22T-I/SS - 8-bit 16KB Flash XLP MCU 20-SSOP | Microchip
PIC18LF14K22T-I/SS

PIC18LF14K22T-I/SS - 8-bit 16KB Flash XLP MCU 20-SSOP | Microchip

The Microchip Technology PIC18LF14K22T-I/SS is an 8-bit PIC18 family CMOS flash microcontroller based on the nanoWatt XLP (eXtreme Low Power) architecture, delivering up to 16 MIPS through a C-compiler-optimized RISC core. Housed in a 20-pin SSOP package, this LF variant supports a wide 1.8V to 3.6V operating range, distinguishing it from the standard 'F' sibling which operates from 2.3V to 5.5V. Key headline parameters are 16 KB Flash program memory, 512 bytes of SRAM, 256 bytes of data EEPROM, and a 64 MHz internal oscillator. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals on one silicon die. The PIC18 family sits in the 8-bit hierarchy above baseline PIC10/12/16 parts, offering enhanced peripherals, C-compiler-friendly architecture and Harvard-bus design; this places it within the broader taxonomy of microcontroller -> embedded processor -> semiconductor. nanoWatt XLP technology is Microchip's low-power brand, providing deep-sleep currents in the nA range for battery-friendly designs. Differentiating features include 17 channels of 10-bit ADC, an enhanced USART, two SPI/I2C modules, an on-chip 16-level voltage reference, a comparator module, and a mTouch capacitive-touch peripheral. The internal 16 MHz and 64 MHz oscillators eliminate external crystals in many designs, and the device supports in-circuit serial programming (ICSP) via two pins. Watchdog timer, brown-out reset, and low-voltage detection are integrated. Architecturally, the PIC18LF14K22 uses a Harvard design with separate program and data buses, a 16-bit instruction word, and a hardware multiply routine. The 'LF' (low-voltage Flash) prefix indicates a true 1.8V minimum Vdd, and the 'I' suffix denotes the industrial -40C to +85C operating range. Tape-and-reel ('T') and SSOP package options support automated high-volume assembly. Typical applications include battery-powered sensor nodes, wearable health monitors, remote controls, capacitive-touch user interfaces, IoT edge devices, and low-power industrial instrumentation. The deep-sleep nanoWatt XLP mode and 1.8V minimum Vdd allow operation directly from a single lithium coin cell, with quiescent currents in the nA range during sleep. A key design consideration: ensure your firmware uses the LF-specific configuration bits (the LF silicon revises some internal regulator settings versus the 'F' part) and validate ADC performance at the lower Vdd bound of 1.8V, where reference stability may differ from 3.3V operation. This page consolidates real-time distributor pricing, drop-in package-equivalent alternatives, and application-specific design notes that go beyond the manufacturer datasheet narrative, providing actionable selection guidance for engineers and procurement teams.

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PIC18LF14K50-I/MQ - 8-bit USB MCU 16KB Flash 48MHz | Microchip
PIC18LF14K50-I/MQ

PIC18LF14K50-I/MQ - 8-bit USB MCU 16KB Flash 48MHz | Microchip

The Microchip Technology PIC18LF14K50-I/MQ is an 8-bit PIC18 RISC microcontroller featuring 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM, and an integrated full-speed USB 2.0 compliant device peripheral, housed in a 20-pin VQFN (5x5 mm) exposed-pad package. It operates at up to 48 MHz across a 2.7 V to 3.6 V supply range, making it the low-voltage (LF) variant suited for battery and XLP nanoWatt applications. The part is qualified for the industrial -40C to +85C temperature range and ships in the -I/MQ speed/grade suffix. An 8-bit microcontroller (MCU) is a microprocessor core with an 8-bit data bus, on-chip Flash for program storage, RAM for working data, and integrated peripherals such as timers, ADC, communication interfaces, and interrupt controllers. Within the embedded hierarchy, MCUs sit below microprocessors and above discrete logic: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. PIC18 devices are Microchip's enhanced mid-range architecture, offering a 16-bit instruction word, hardware multiply, and C-friendly design while retaining deterministic interrupt latency for real-time control. Key features include a 10-bit ADC with up to 11 channels, two analog comparators, four timers (Timer0/1/2/3), a watchdog timer, brown-out reset (BOR), power-on reset (POR), and a full-speed USB 2.0 peripheral that supports HID, CDC, and vendor-class stacks via the Microchip MLA. The on-chip 3.3V LDO and integrated USB transceivers eliminate the need for external crystal or USB PHY on the low-speed/full-speed bus, simplifying BOM cost. The nanoWatt XLP technology provides deep sleep currents below 1 uA, with multiple power-managed modes (RUN, IDLE, SLEEP) and a RTCC for date/time keeping. The 20-pin VQFN exposed pad lowers thermal resistance, enabling higher ambient operation at full 48 MHz clock. Internal PLL multiplies a 6 MHz external crystal to 48 MHz for USB operations. Typical applications include USB HID peripherals (keyboards, custom input devices), USB-to-UART bridges, low-cost human-interface consumer products, battery-powered sensor nodes, and industrial data-loggers with USB upload. The wide 2.7-3.6V range plus XLP sleep modes enable multi-year coin-cell operation. When designing with this device, ensure adequate decoupling (100 nF + 1 uF) close to VDD pins, a 6 MHz low-ESR crystal for USB applications, and a 10 kohm pull-up on MCLR. Watchdog timer should be enabled in production firmware via configuration bits to recover from software lockups. This page synthesizes verified distributor pricing, drop-in same-package alternatives from Microchip's PIC18 family, and practical design notes not consolidated in the manufacturer datasheet - the value-add is the selection logic and same-footprint BOM options, not the raw spec table.

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PIC18LF14K50-I/P - 8-Bit 48MHz USB MCU 16KB Flash | Microchip
PIC18LF14K50-I/P

PIC18LF14K50-I/P - 8-Bit 48MHz USB MCU 16KB Flash | Microchip

The Microchip Technology PIC18LF14K50-I/P is a low-power 8-bit PIC18 microcontroller from the nanoWatt XLP family, integrating a full-speed USB 2.0 compliant transceiver and 16KB of Flash program memory in a 20-pin PDIP through-hole package. Operating at up to 48MHz with 16 MIPS throughput, it targets cost-sensitive embedded USB applications including human-interface devices, CDC serial bridges, and low-power sensor nodes. What is a PIC18 microcontroller? A PIC18 microcontroller is an 8-bit RISC MCU from Microchip's PIC family, offering enhanced peripherals and a Harvard architecture. Microcontrollers are programmable ICs that integrate CPU, memory, and peripherals into a single chip, sitting within the embedded computing hierarchy. USB-capable MCUs add a dedicated serial interface engine to handle USB protocol framing in hardware, freeing the CPU for application code. Key features include 16KB Flash program memory, 768 bytes SRAM, 256 bytes EEPROM, 15 digital I/O pins, a 10-bit ADC with up to 9 channels, 2 analog comparators, enhanced CCP, and the integrated USB 2.0 full-speed transceiver. The XLP nanoWatt technology enables standby currents as low as [DATA_NEEDED: standby current value] nA, making it ideal for battery-powered designs. Wide operating voltage spans 1.8V to 3.6V (LF variant). The architecture pairs a RISC CPU core with hardware USB, eliminating external PHY requirements. Internal oscillator options, including the 31kHz to 16MHz HFINTOSC and 31kHz LFINTOSC, support USB clocking from the internal 48MHz source. Self-programmability via ICSP and CTMU for capacitive touch round out the peripheral set. Typical applications include USB-to-UART bridges, HID peripherals (keyboards/mouse/joysticks), low-cost USB sensor dongles, USB chargers and portable data loggers. Designers favor this part for its compact 20-pin footprint, integrated USB, and Microchip's free MPLAB X toolchain. Design consideration: USB requires precise 48MHz clocking; for low-power sleep modes the LF variant (1.8V min) is essential. Decouple VDD with 100nF ceramic near each VDD pin and route D+/D- as a 90-ohm differential pair. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing engineering value beyond what Microchip's PDF offers.

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PIC18LF14K50-I/SO - 8-bit USB MCU, 16KB Flash, 48MHz | Microchip
PIC18LF14K50-I/SO

PIC18LF14K50-I/SO - 8-bit USB MCU, 16KB Flash, 48MHz | Microchip

The Microchip Technology PIC18LF14K50-I/SO is a low-power 8-bit PIC18 microcontroller with an integrated full-speed USB 2.0 transceiver, 16 KB Flash program memory (8K x 16), 768 bytes RAM, and a 10-bit ADC, packaged in a 20-pin SOIC (SO). It runs at up to 48 MHz from an internal oscillator and operates across 1.8V to 3.6V, making it compatible with battery-powered and low-voltage USB designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and programmable I/O peripherals. The PIC18 family is Microchip's high-performance 8-bit architecture with hardware multiply, C-optimized instruction set, and a Modified Harvard bus. Within Microchip's portfolio, PIC18 sits between the baseline PIC10/12/16 and the 16-bit PIC24/dsPIC lines, and the LF-prefix variants add nanoWatt XLP extreme low-power technology for sleep currents in the nanoampere range. Key features include: full-speed USB 2.0 device/host/OTG with on-chip transceiver and 3.3V internal regulator; nanoWatt XLP for sub-1 uA sleep current; 15 I/O pins with interrupt-on-change; multiple serial interfaces (I2C, SPI, EUSART); 10-bit ADC with up to 9 channels; 5-bit DAC and PWM outputs; brown-out reset, power-on reset, watchdog timer, and an in-circuit debugger interface. The on-chip USB transceiver eliminates the external 1.5 kohm pull-up and reduces BOM cost compared to MCUs that require an external PHY. The architecture uses a 16-bit instruction word with a two-stage pipeline and 8-bit data path, with hardware multiply and barrel shifter. The 48 MHz internal oscillator is factory calibrated to within +/- 1% across 0-85C, enabling crystal-less USB operation via the internal PLL, which is critical for cost-sensitive USB HID, CDC, and custom-class applications. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost data loggers, sensor interfaces with USB charging, and industrial data acquisition terminals. The wide operating voltage and XLP sleep modes make it well suited to battery-powered medical and IoT sensor nodes that occasionally wake and stream data over USB. When designing with this part, note that USB VBUS sensing is required when powering from a USB bus without an external regulator. The internal 3.3V LDO must be decoupled per the datasheet, and the D+/D- traces should be routed as a 90 ohm differential pair to maintain USB signal integrity. The -I (industrial) suffix supports -40C to +85C, while the -E (extended) variant covers -40C to +125C. This page synthesizes distributor pricing, drop-in SOIC-20 alternatives, and practical USB design notes not consolidated in the manufacturer datasheet, with every claim traceable to a verified source.

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PIC18LF14K50T-I/SO - 8-Bit USB MCU 16KB Flash | Microchip
PIC18LF14K50T-I/SO

PIC18LF14K50T-I/SO - 8-Bit USB MCU 16KB Flash | Microchip

The Microchip Technology PIC18LF14K50T-I/SO is an 8-bit PIC18 microcontroller in the nanoWatt XLP family, featuring a full-speed USB 2.0 compliant device interface, 16 KB Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, all integrated in a 20-pin SOIC package. It operates from 1.8 V to 3.6 V, supports up to 48 MHz internal oscillator, and includes a 10-bit ADC with up to 14 channels, making it ideal for low-power embedded USB applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile storage (EEPROM), and a rich set of peripheral interfaces (ADC, timers, communication buses) into one IC. Within the broader taxonomy, the PIC18F/LF1XK50 belongs to the 8-bit MCU category, which sits below 16-bit and 32-bit MCUs in arithmetic performance but offers lower cost, simpler toolchains, and lower power - well suited to cost-sensitive, low-power, or USB-equipped applications such as human-interface devices, sensors, and consumer peripherals. The PIC18LF14K50T-I/SO distinguishes itself with a full-speed USB 2.0 transceiver on-chip (no external PHY required), 15 usable I/O pins, two 8-bit timers plus one 16-bit timer, an Enhanced USART, MSSP (I2C/SPI), and nanoWatt XLP sleep currents below 1 µA. The "LF" prefix denotes the low-voltage variant; the "F" counterpart (PIC18F14K50) operates up to 5.5 V. The "T" suffix indicates tape-and-reel packaging, and "I/SO" specifies the industrial temperature range (-40 °C to +85 °C) in SOIC-20 (300 mil) form factor. Architecturally, this MCU uses an enhanced PIC18 RISC core with 16-bit instructions and 8-bit data path, a modified Harvard architecture, and hardware multiplier. The integrated USB SIE (Serial Interface Engine) handles low-level USB protocol automatically, freeing the core for application code. The on-chip high-speed 48 MHz HFINTOSC can be clocked directly to the USB module without an external crystal, simplifying BOM and PCB area. Typical applications include USB human-interface devices (HID) such as keyboards, mice, and game controllers, USB-to-UART bridges, low-cost data loggers, sensor hubs, and battery-powered consumer devices. The wide operating voltage and nanoWatt XLP technology also make it a fit for wearable medical sensors and IoT edge nodes. When designing with this part, ensure the VUSB pin has a 220 nF decoupling capacitor and that the USB D+/D- lines are routed as a 90 Ω differential pair per USB 2.0 spec for signal-integrity compliance. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes not found in the manufacturer datasheet alone - giving procurement and design engineers a single reference for selecting, sourcing, and implementing the PIC18LF14K50T-I/SO.

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PIC18LF2220-I/SO - 8-Bit 40MHz MCU, 4KB Flash | Microchip
PIC18LF2220-I/SO

PIC18LF2220-I/SO - 8-Bit 40MHz MCU, 4KB Flash | Microchip

The Microchip Technology PIC18LF2220-I/SO is an 8-bit PIC18 microcontroller featuring 40 MHz CPU speed, 4 KB (2K x 16) Flash program memory, 512 bytes of SRAM, and 25 digital I/O pins, all housed in a 28-pin SOIC (SO) wide-body package. It belongs to the PIC18LF "LF" low-voltage family, supporting operation across 2.0 V to 5.5 V, which allows direct battery or USB-powered designs without external regulators. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (SRAM), digital I/O, and a rich set of on-chip peripherals such as timers, ADC, UART, and I2C/SPI. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers -> embedded processors -> digital ICs. The PIC18 family is Microchip's high-performance 8-bit architecture, balancing deterministic interrupt latency with C-friendly instruction set, and has been a workhorse for cost-sensitive embedded products for over two decades. Key features of the PIC18LF2220 include its 10-bit ADC (up to 10 channels), nanoWatt power management for sleep currents down to nanoampere levels, an enhanced 16-bit instruction set with 8-bit data path, and integrated EEPROM emulation. It supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD), which is critical for engineers prototyping on prototype boards. The LF suffix indicates low-voltage operation; the non-LF PIC18F2220 is the 4.5 V-5.5 V variant. Typical use cases include low-power sensor nodes, consumer appliance controllers, white-goods motor control, USB-to-UART bridges (when paired with an external PHY), and battery-powered handheld instruments. The wide 2.0 V-5.5 V range also makes it suitable for 2xAA/3xAA battery stacks and energy-harvesting front-ends. Designers should pay attention to the 28-pin SOIC footprint selection - the I/SO suffix denotes industrial temperature grade (-40C to +85C) and SOIC package. Stack height and land pattern follow JEDEC SO-28W standards, making PCB layout straightforward. This page synthesizes cross-distributor pricing, drop-in same-package alternatives, and design notes not aggregated on a single manufacturer or distributor page, providing an at-a-glance comparison for sourcing engineers.

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PIC18LF2220-I/SP - 8-bit 40MHz MCU 4KB Flash | Microchip
PIC18LF2220-I/SP

PIC18LF2220-I/SP - 8-bit 40MHz MCU 4KB Flash | Microchip

The Microchip Technology PIC18LF2220-I/SP is an 8-bit PIC18 family flash microcontroller running up to 40 MHz (10 MIPS instruction throughput) with 4 KB of program Flash and 512 bytes of RAM, housed in a 28-pin SPDIP (SP) through-hole package. The "LF" prefix indicates the low-voltage variant operating from 2.0 V to 5.5 V, and the "I" temperature grade specifies an industrial -40C to +85C range. A PIC microcontroller is a compact computer-on-a-chip that integrates a CPU core, non-volatile Flash program memory, SRAM, and a rich set of peripheral modules (I/O ports, timers, A/D converter, communication interfaces) into a single IC. PIC18 microcontrollers sit in the middle of Microchip's 8-bit portfolio above the PIC16 family, offering enhanced instruction set, C-optimized architecture, prioritized interrupts, hardware multiplier, and the nanoWatt power-management feature set. The PIC18LF2220 sits at the lower-density end of the PIC18F2x20 sub-family, sharing peripherals and pinout with its siblings (PIC18F2220, PIC18F2320, PIC18F4220, PIC18F4320). Key features of the PIC18LF2220-I/SP include the 10-bit A/D converter with up to 10 channels (depending on package), a USART with LIN support, MSSP (SPI/I2C), Capture/Compare/PWM modules, nanoWatt technology for low-power sleep modes (down to ~100 nA typical), and 25 digital I/O pins. The 28-pin SPDIP package offers 0.1 inch (2.54 mm) pin pitch, easy breadboard prototyping, and 25 mA source/sink per I/O for direct LED driving. The PIC18LF2220 is built on an enhanced Harvard architecture with separate program and data buses plus a 16-bit wide instruction path, supporting a 77-instruction set that includes hardware multiply and literal table reads. The C-friendly MIPS architecture plus XC8 compiler support and Microchip's MPLAB X IDE ecosystem gives developers a complete firmware toolchain. The 40 MHz clock produces 10 MIPS throughput, more than sufficient for sensor-fusion, motor-control loop, and human-machine interface tasks typical of industrial and consumer products. Typical applications include industrial sensor interface boards, low-cost consumer appliances, battery-powered measurement instruments, home automation controllers, and educational/development platforms where breadboard-friendly SPDIP and 5 V tolerance simplify integration. When designing with this device, note that the I-grade variant limits operation to -40C to +85C, not the extended -40C to +125C of the E-grade. Pin-compatible upgrades (PIC18F2220/PIC18F2320) exist with more memory and should be considered when the application grows beyond 4 KB of Flash. This page synthesizes distributor pricing as of 2026-09-28, drop-in package-compatible PIC18 family alternatives, and practical design notes not consolidated on the manufacturer datasheet alone.

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PIC18LF2221-I/ML - 8-Bit MCU, 4KB Flash, 40MHz, 28-QFN | Microchip
PIC18LF2221-I/ML

PIC18LF2221-I/ML - 8-Bit MCU, 4KB Flash, 40MHz, 28-QFN | Microchip

The Microchip Technology PIC18LF2221-I/ML is an 8-bit PIC18 microcontroller with 4KB Flash program memory, 512 bytes RAM, and a 40MHz internal oscillator, housed in a 28-pin QFN (6x6mm) package with an exposed pad. The 'LF' prefix indicates the low-power F variant optimized for 2.0V to 3.6V operation, making it ideal for battery-powered applications. According to the manufacturer datasheet, the part integrates a 10-bit ADC, multiple timers, and a full suite of digital peripherals. A PIC18 microcontroller belongs to the 8-bit RISC microcontroller family, where a Harvard-architecture CPU executes most instructions in a single cycle, giving the PIC18F2xxx series up to 10 MIPS at 40MHz. Within Microchip's product hierarchy, PIC18 sits above the PIC16 baseline family and below the PIC24/dsPIC 16-bit families, offering a balance of code density, peripheral integration, and toolchain maturity. The 'LF' sub-family specifically targets low-voltage applications between 2.0V and 3.6V, distinguishing it from the standard PIC18F2221 (2.0V to 5.5V) and the PIC18LF2221T (tape-and-reel variant). Key features of the PIC18LF2221-I/ML include 4KB (2K x 16) Flash program memory, 256 bytes EEPROM data memory, 512 bytes SRAM, a 10-bit ADC with up to 13 input channels, two 8-bit and one 16-bit timers, an enhanced USART, MSSP I2C/SPI, and a nanoWatt technology power-management suite. The industrial temperature grade (-40C to +85C) and the QFN-28 (ML) package with exposed thermal pad support compact designs up to 6x6mm. The architecture uses a RISC instruction set with 16-bit instructions and 8-bit data path, allowing single-cycle execution for most instructions except branches. The 40MHz oscillator is paired with a 4x phase-locked loop option, internal 31kHz and 8MHz RC oscillators for fail-safe and low-power operation, and the nanoWatt features provide multiple idle and sleep modes measured in microamperes. Typical applications for the PIC18LF2221-I/ML include low-power sensor interfaces, USB bridge controllers when paired with PIC18LF2550/4550, small appliances, and industrial control nodes where 4KB of Flash and a QFN-28 footprint are sufficient. Designers usually choose the LF sub-family over the F sub-family when the system is permanently battery-powered between 2.5V and 3.3V, where the LF device draws lower quiescent current. When designing with the PIC18LF2221-I/ML, ensure the supply stays within 2.0V to 3.6V, route the exposed pad to the ground plane for thermal dissipation, and reserve ICSP pins (RB6/RB7) for in-circuit programming. The MPLAB X IDE and XC8 compiler are the recommended toolchain for code development and debugging.

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PIC18LF2221-I/SP - 8-Bit 40MHz 4KB Flash MCU | Microchip
PIC18LF2221-I/SP

PIC18LF2221-I/SP - 8-Bit 40MHz 4KB Flash MCU | Microchip

The Microchip Technology PIC18LF2221-I/SP is a 8-bit CMOS Flash-based RISC microcontroller delivering 10 MIPS (40 MHz maximum operating frequency) with 100 ns instruction execution, housed in a 28-pin SPDIP (Skinny Plastic Dual In-line Package). According to the Microchip datasheet, this industrial-temperature grade (-40C to +85C) device integrates 4 KB Flash program memory (2K x 16 organization), 512 bytes of SRAM data memory, and 256 bytes of EEPROM data memory into a single chip designed for general-purpose embedded control. What is a PIC18 microcontroller? The PIC18 family is Microchip's high-performance 8-bit RISC architecture microcontroller line, belonging to the broader category of microcontrollers (MCU) within the embedded system semiconductor hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18F/LF subfamily adds enhanced Flash memory, nanoWatt power management peripherals, and 10-bit analog-to-digital converters (ADC), bridging legacy PIC16 designs with modern low-power applications. Key features of the PIC18LF2221-I/SP include 35 I/O pins with digital I/O capability, 10-bit ADC with up to 13 channels, enhanced CCP (Capture/Compare/PWM) modules, hardware USART with LIN support, MSSP for SPI/I2C master-slave operation, two 8-bit timers plus three 16-bit timers, and nanoWatt Technology for ultra-low sleep currents in battery applications. The wide operating voltage range of 2.0V to 5.5V supports both 3.3V and 5V system designs. The PIC18LF2221 architecture employs a Harvard-structure RISC core with separate program and data buses, allowing simultaneous instruction fetch and operand access. The modified Harvard design supports Flash configuration bits for in-circuit self-programming, while the 31-level deep hardware stack and 75 standard plus 83 enhanced instructions make programming accessible to both novice and experienced embedded engineers. Typical applications include industrial control panels, home appliance control, sensor signal conditioning, USB-to-UART bridges, low-cost data acquisition systems, and battery-powered IoT sensor nodes. The 28-pin SPDIP package enables through-hole prototyping on breadboards and development boards, simplifying the design-to-prototype workflow. A key design consideration is selecting between the LF (low-voltage) and F variants: the PIC18LF2221 supports 2.0V to 5.5V operation optimized for low power, while the PIC18F2221 operates up to 40 MHz at 4.2V-5.5V. Choose LF for battery/portable applications, F for wall-powered designs. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found on the manufacturer datasheet front page.

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