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PIC18F1320T-I/ML - 8KB Flash 40MHz 8-bit MCU | Microchip
PIC18F1320T-I/ML

PIC18F1320T-I/ML - 8KB Flash 40MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F1320T-I/ML is an 8-bit PIC18F microcontroller with 8KB Flash program memory, 256 bytes RAM, and 16 I/O pins, housed in a 28-pin QFN (ML) 6x6 mm package with exposed thermal pad. It executes one instruction per clock cycle at 40 MHz (10 MIPS) from a 2.0–5.5 V supply, integrating a 10-bit A/D converter, nanoWatt power management, and 2.0–5.5 V wide operating voltage range for battery-powered and industrial designs. A microcontroller (MCU) is a single-chip computer containing a CPU, volatile and non-volatile memory, peripherals, and I/O — used to sense, decide, and actuate in embedded systems. The PIC18F family sits in Microchip's 8-bit roadmap, sitting beneath PIC24/dsPIC in compute density while offering Harvard architecture, RISC instruction set, and a mature toolchain (MPLAB X, XC8). The PIC18F1320 belongs to the smaller pin-count tier (18/20/28-pin) optimized for cost-sensitive and space-constrained designs. Key features include eight power-managed modes that drop current to 0.1 µA standby, integrated 10-bit ADC with multiple channels, and the Enhanced Flash memory with self-programmability under software control. The wide 2.0–5.5 V supply tolerates direct battery operation (2x AA, coin cell, USB) without external regulation, and the device supports in-circuit serial programming (ICSP) plus in-circuit debugger (ICD) interfaces. Architecturally, the PIC18F1320 employs a 16-bit instruction word with an 8-bit data path, eight-level hardware stack, and a 31-level software stack. The 10-bit ADC uses successive approximation with up to seven analog input channels (depending on package); nanoWatt modes include Run, Idle, Sleep, Timer1 oscillator, PRI_RUN, SEC_RUN, and PRI_IDLE — each tuned to trade wake latency vs. quiescent current. Typical applications include battery management devices, sensor conditioning nodes, low-power consumer appliances, USB HID peripherals, and small home appliances. Thanks to its wide voltage range and nanoWatt sleep modes, the PIC18F1320 is often specified where a regulator is undesirable or unacceptable. When designing in this part, place the exposed pad (EP) on the bottom of the QFN to a ground pour with multiple thermal vias to dissipate heat and maintain substrate integrity. Decouple VDD with 100 nF and 10 µF capacitors within 3 mm of the pins; a 100 Ω ferrite or ferrite bead on VDD can further reduce noise injection from switching regulators sharing the rail. This page synthesizes distributor pricing, drop-in same-package alternatives from the same Microchip PIC18F family, and practical design notes not consolidated in the single manufacturer datasheet alone.

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PIC18F1320T-I/SO - 8-bit 40MHz 8KB Flash MCU 18-SOIC | Microchip
PIC18F1320T-I/SO

PIC18F1320T-I/SO - 8-bit 40MHz 8KB Flash MCU 18-SOIC | Microchip

The Microchip Technology PIC18F1320T-I/SO is an 8-bit PIC18F high-performance enhanced Flash microcontroller operating up to 40 MHz with 8 KB (4K x 16) of program memory and 256 bytes of RAM, packaged in an 18-pin SOIC (SO). It is part of the PIC18F1220/1320 family and features a 10-bit A/D converter with up to 7 channels, 16 general-purpose digital I/O pins, and Microchip's nanoWatt Technology for advanced power management. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage, SRAM for data, and EEPROM for non-volatile data), and programmable peripherals on one IC. PIC18F devices are 8-bit RISC microcontrollers from Microchip that target cost-sensitive embedded designs requiring strong arithmetic performance and abundant I/O. As a member of the PIC18 family, the PIC18F1320 sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor device, serving applications that need deterministic real-time control with simple programming tools (MPLAB X IDE, XC8 compiler). Key features of the PIC18F1320 include a wide operating voltage range of 2.0 V to 5.5 V, nanoWatt Technology with six software-controlled power-managed modes, standby current as low as 0.1 microamp, enhanced Flash program memory with self-programmability, and a 10-bit A/D converter for analog signal acquisition. The device also includes a USART, MSSP (SPI/I2C), timers, and capture/compare/PWM (ECCP) peripherals. Industrial (-40C to +85C) temperature range operation and an internal oscillator option reduce external component count. Architecturally, the PIC18F1320 uses a 16-bit program word width (versus 12-bit in baseline PIC16), enabling a richer instruction set and C-friendly code density. The Harvard architecture separates program and data buses for deterministic single-cycle instruction execution (~200 ns at 10 MHz, ~100 ns at 40 MHz with 4x PLL). nanoWalt Technology allows software-driven transitions between Run, Idle, Sleep, and low-power modes to optimize battery life. Typical applications include small consumer appliances, sensor signal conditioning, low-end motor control, LED lighting, battery-powered instrumentation, white goods, and industrial control subsystems. The 18-SOIC package balances compactness with hand-solder-friendly lead pitch for prototypes and small production runs. When designing with this part, consider that the 'T' suffix denotes tape-and-reel packaging for high-volume assembly while sharing the same die as the standard PIC18F1320-I/SO. Ensure that your development toolchain (MPLAB X IDE plus XC8 compiler) supports this specific device family revision, and provision a decoupling capacitor array (100 nF plus 10 uF bulk) close to VDD/VSS pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers rapidly assess PIC18F1320T-I/SO for new designs and pin-compatible replacements.

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PIC18F1330-E/ML - 8KB Flash 8-bit MCU w/ 3-Phase PWM | Microchip
PIC18F1330-E/ML

PIC18F1330-E/ML - 8KB Flash 8-bit MCU w/ 3-Phase PWM | Microchip

The Microchip PIC18F1330-E/ML is an 8-bit enhanced flash microcontroller with 8KB of program memory, 256 bytes of RAM, and an integrated 3-phase PWM module, housed in a 28-pin QFN (6x6 mm) package. Operating from 2.0V to 5.5V with a 25 MHz CPU clock, it is part of the PIC18F family targeting motor control and power conversion applications. The "-E" suffix indicates the -40C to +125C extended industrial temperature range. An 8-bit microcontroller (MCU) is a small, single-chip computer that combines a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals on a single silicon die. The PIC18F family uses Microchip's enhanced Harvard RISC architecture, executing one instruction per clock cycle for predictable real-time performance. The PIC18F1330 specifically adds a high-resolution 3-phase PWM, three analog comparators, and a 10-bit A/D converter, positioning it as a dedicated motor-control and power-conversion MCU. Its hypernym hierarchy is: MCU -> microcontroller -> 8-bit MCU -> PIC18F family -> PIC18F1330. Key features include a 25 MHz maximum operating frequency (40 MHz on internal PLL), 8KB Flash program memory, 256 bytes SRAM, 16 general-purpose I/O pins, three analog comparators, a 10-bit A/D converter with up to 7 channels, a USART/LIN compatible serial port, and a 3-phase PWM module suitable for brushless DC (BLDC) and switched reluctance motor drives. The 8 MHz internal oscillator with PLL eliminates an external crystal in cost-sensitive designs. The PIC18F1330 integrates Microchip's nanoWatt technology for low-power operation and supports In-Circuit Serial Programming (ICSP) plus In-Circuit Debug (ICD) via standard Microchip development tools. The 28-QFN package (6x6 mm) provides a compact footprint suitable for space-constrained motor control boards. Typical applications include BLDC/PMSM motor control, three-phase inverter drives, switched-mode power supplies with digital control, sensorless fan controllers, and small appliance motor drives. The integrated 3-phase PWM, comparators, and A/D reduce external component count, enabling compact BOMs for ceiling fans, pumps, and HVAC blowers. Designers should note that the -E/ML part requires the -40C to +125C extended temperature grade. For industrial 0C to +70C applications, consider the -I/ML variant; both share identical pinouts and electrical characteristics. The QFN package requires a thermal pad soldered to a copper pour for adequate heat dissipation. This page synthesizes distributor pricing, drop-in same-brand alternatives, and practical design notes not found in the manufacturer datasheet. All data is current as of 2026-09-26.

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PIC18F1330-E/P - 8KB Flash, 25MHz 8-bit MCU w/ PWM | Microchip
PIC18F1330-E/P

PIC18F1330-E/P - 8KB Flash, 25MHz 8-bit MCU w/ PWM | Microchip

The Microchip Technology PIC18F1330-E/P is an 8-bit PIC18 microcontroller with 8KB of Enhanced Flash program memory, 256 bytes of RAM, and a 25 MHz maximum operating frequency, housed in a 18-pin PDIP through-hole package. Key features include 3 analog comparators, a high-performance 10-bit PWM module with up to 6 channels, 10-bit ADC, an internal 8 MHz oscillator, nanoWatt power management for sleep modes, and an integrated LIN-capable USART for serial communication. The PIC18F1330 family is purpose-built for closed-loop motor control and motion applications, with a dedicated Motion Feedback Module (MFM) that simplifies sensorless BLDC and brushed-DC commutation. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines a CPU, program memory (Flash/ROM), data memory (RAM), and programmable I/O peripherals on a single die. Within the Microchip taxonomy the PIC18F1330 sits at the hierarchy: PIC18F1330 -> PIC18F MCU family -> 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. Its nanoWatt technology sits alongside peers such as PIC16F and dsPIC33F, but is differentiated by the on-chip 10-bit high-speed PWM engine for switching power conversion and motor drive. The PIC18F1330's core features a Harvard RISC architecture with 16-bit instructions and an 8-bit data path, 75 instructions total, and direct/indirect addressing modes that simplify C and assembly firmware development. Enhanced Flash cells permit >10K erase/write cycles per block, while the nanoWatt Manager offers multiple idle and sleep modes that drop quiescent current to microampere levels. The integrated 10-bit ADC with up to 4 channels supports motor current sensing, and the Motion Feedback Module (MFM) generates zero-crossing and timing events without CPU intervention. Supply voltage spans 4.2V to 5.5V for standard Enhanced-Flash 'F' variants such as the PIC18F1330. Typical applications include sensorless and sensored BLDC/PMSM fan and pump motor control, small appliance drives, 3-phase sinusoidal or trapezoidal commutation stages, and low-cost PWM-driven switching regulators. The 18-pin PDIP package is well suited to through-hole prototype boards and hobbyist motor-control projects. The internal 8 MHz oscillator eliminates an external crystal in many cost-sensitive designs. When laying out a board, place a 0.1uF decoupling capacitor as close as possible to VDD and reserve a bulk capacitor on the analog AVDD rail. Connect unused I/O pins to defined logic levels (do not leave them floating) to keep ICC current low. Select the appropriate oscillator mode (HFINTOSC vs. external crystal) to balance EMI performance against timing accuracy, and configure the MFM registers early in firmware init before enabling the PWM output.

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PIC18F1330-E/SO - 8KB Flash 25MHz 8-bit MCU | Microchip SOIC-18
PIC18F1330-E/SO

PIC18F1330-E/SO - 8KB Flash 25MHz 8-bit MCU | Microchip SOIC-18

The Microchip PIC18F1330-E/SO is an 8-bit PIC18 microcontroller integrating 8KB of Enhanced Flash program memory and 256 bytes of RAM in an 18-pin SOIC package. It operates from a 2.0V to 5.5V supply and runs the CPU at up to 25MHz (10 MIPS at 40MHz oscillator input divided), making it a compact member of Microchip's nanoWatt Technology family. A microcontroller is an integrated circuit that combines a CPU, program memory, data memory, and programmable peripherals on a single die. The PIC18F1330 sits in the 8-bit microcontroller segment of Microchip's product taxonomy (PIC18F family -> PIC microcontroller family -> microcontroller -> embedded computing -> semiconductor). It is built on an Enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, allowing single-cycle ALU operations on the internal data bus while fetching the next instruction in parallel. Key features include enhanced Flash program memory that supports in-circuit serial programming (ICSP) and in-circuit debugging via two pins, a 10-bit A/D converter with multiple input channels, a 10-bit Pulse-Width Modulation (PWM) module optimized for motor control and power conversion, and nanoWatt Technology dynamic power management modes. Internal oscillator options and a wide operating temperature range of -40C to +125C (the "-E" suffix denotes the extended industrial temperature grade) suit battery-powered and automotive-grade designs. The device combines a precision 8 MHz internal RC oscillator selectable in software, hardware multiplier, watchdog timer with its own on-chip RC oscillator for reliable operation, and dual analog comparators. Designers can use ICSP to reprogram the Flash in-circuit, eliminating the need for an external socket or programmer. Typical applications include BLDC motor control in small appliances, sensor signal conditioning, lighting control, general-purpose 8-bit embedded control, and digital power conversion where the high-resolution PWM is used to drive MOSFETs. Its combination of Flash memory, ICSP, and nanoWatt Technology also makes it a popular choice for low-power industrial sensor nodes. When designing with this part, allocate an extra pin pair for ICSP (typically RB6/RB7) and ensure the MCLR reset pin has the correct pull-up configuration to enter programming or normal operation reliably across temperature. Use decoupling capacitors within a few millimeters of VDD/VSS to suppress digital switching noise from disturbing the A/D converter. This page combines manufacturer specifications, distributor pricing, drop-in alternatives, and practical design notes that go beyond a single datasheet revision to help engineers evaluate the PIC18F1330-E/SO for new designs.

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PIC18F1330-I/SO - 8-bit 40MHz MCU, 8KB Flash, 18-SOIC | Microchip
PIC18F1330-I/SO

PIC18F1330-I/SO - 8-bit 40MHz MCU, 8KB Flash, 18-SOIC | Microchip

The Microchip Technology PIC18F1330-I/SO is an 8-bit PIC18 microcontroller built on an enhanced RISC architecture, delivering 40 MHz (10 MIPS) performance from 8 KB of on-chip Flash program memory in a 300-mil 18-pin SOIC package. It is an enhanced Flash member of the PIC18F1xxx family with nanoWatt power management, integrated high-performance PWM, and a 10-bit A/D converter. What is a PIC18F Microcontroller? PIC18F microcontrollers are 8-bit Harvard-architecture MCUs from Microchip Technology that combine a rich peripheral set with Flash program memory. They sit within the broader 8-bit MCU hierarchy as a high-performance step above the PIC16F baseline, competing with other 8-bit families from NXP, STMicroelectronics, and Renesas. PIC18F parts are widely used in motor control, sensor conditioning, and cost-sensitive embedded designs where deterministic 8-bit performance and mature toolchain support outweigh the need for 32-bit compute. Key features of the PIC18F1330 include 8 KB Flash (4K x 16 words), 256 bytes of SRAM, 16 I/O pins, integrated high-performance PWM modules, a 10-bit A/D converter, and nanoWatt sleep modes that drop supply current into the microamp range. The device operates across 4.2 V to 5.5 V, supports in-circuit serial programming (ICSP), and ships in a -40 C to +85 C industrial temperature grade. The 18-SOIC package keeps the part within a compact through-hole-compatible footprint. The PIC18F1330 architecture combines a 16-bit instruction word with an 8-bit data path, allowing single-cycle accesses on Flash, RAM, and EEPROM buses. The enhanced core supports interrupt prioritisation, hardware multiply, and a C-friendly instruction set, enabling efficient code generation under the MPLAB XC8 toolchain. The integrated PWM and 10-bit ADC make the part well suited to closed-loop control. Typical applications include brushless DC (BLDC) motor control, sensor interface boards, industrial control with PWM-driven actuators, LED lighting controllers, small home appliances, and battery-powered instruments leveraging nanoWatt sleep. The combination of high-performance PWM and nanoWatt technology is what makes this part particularly well matched to low-cost variable-speed motor drives. When designing with the PIC18F1330-I/SO, place a 100 nF decoupling capacitor as close as possible to the VDD pin and tie all unused I/O pins to defined logic levels to minimise current leakage. For motor control, ensure the PWM outputs are routed away from sensitive analog traces to reduce switching noise coupling into the ADC input. The 18-SOIC package is well supported on hand-solderable prototypes and standard reflow profiles. This page synthesises distributor pricing, drop-in same-package alternatives, and practical design notes compiled from the Microchip PIC18F1230/1330 datasheet family. It is intended to give engineers an at-a-glance view of where the PIC18F1330-I/SO fits within the 8-bit MCU landscape and which footprint-compatible parts can be substituted without a PCB rework.

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PIC18F1330-I/SS - 8-bit MCU 8KB 40MHz 20-SSOP | Microchip
PIC18F1330-I/SS

PIC18F1330-I/SS - 8-bit MCU 8KB 40MHz 20-SSOP | Microchip

The Microchip Technology PIC18F1330-I/SS is an 8-bit PIC18-family flash microcontroller housed in a 20-pin SSOP (Shrink Small-Outline Package) that integrates 8KB of flash program memory (4K x 16), 256 bytes of SRAM and 128 bytes of EEPROM, and executes instructions at 40 MHz / 10 MIPS from a Harvard RISC architecture. An 8-bit microcontroller is a single-chip computer that combines an 8-bit CPU core, on-chip program memory (ROM/Flash), data memory (RAM), non-volatile storage (EEPROM) and a configurable set of digital and analog peripherals. The PIC18F1330 belongs to Microchip's PIC18 hierarchy: PIC18 -> 8-bit flash MCU -> nanoWatt XLP family -> enhanced PWM + analog comparator family. Compared with classic PIC16 devices, PIC18 adds an 8-level hardware stack, an extended instruction set, a linear memory map and self-programming support through the ICSP interface. Key features include a 10-bit A/D converter with up to 4 input channels, 3 analog comparators with programmable references, an enhanced 14-bit PWM module designed for motor control, an internal 8 MHz oscillator selectable via configuration fuses, a USART with LIN bus support, a 16-bit timer/counter plus additional 8-bit timers, nanoWatt XLP low-power modes (sleep currents below 1 uA typical) and an in-circuit serial programming (ICSP) interface. The integrated PWM module and analog comparators make this device particularly suited to closed-loop brushless-DC and switched-reluctance motor control. Operating voltage ranges from 4.2 V to 5.5 V, with the -I (Industrial) suffix giving an operating temperature range of -40 C to +85 C. The device is offered in three package options (18-pin PDIP, 20-pin SOIC/SSOP and 28-pin QFN) so designers can scale up to more I/O without rewriting firmware. Typical applications include BLDC and PMSM motor drives, fan/pump controllers, low-end HVAC damper actuators, sensorless brushless-DC blowers, appliance inverter boards, and LIN-slave nodes in automotive body electronics. The combination of nanoWatt XLP power profile and enhanced PWM makes it a fit-and-forget choice for always-on mains-derived appliances. When laying out the PCB, dedicate a 100 nF decoupling capacitor directly between VDD and VSS as close to the pins as possible, keep the MCLR pull-up within 1 inch of the pin, and route the analog AVCC/AVSS pair as a Kelvin pair to the analog comparator inputs. This page consolidates pricing, drop-in pin-compatible alternatives and practical design guidance that go beyond the raw datasheet, so engineers can confirm availability and a substitution plan at the same time.

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PIC18F1330T-I/SO - 8KB Flash 40MHz 8-bit MCU | Microchip | 18-SOIC
PIC18F1330T-I/SO

PIC18F1330T-I/SO - 8KB Flash 40MHz 8-bit MCU | Microchip | 18-SOIC

The Microchip Technology PIC18F1330T-I/SO is an 8-bit PIC18 family CMOS flash microcontroller running at up to 40 MHz, integrating 8 KB of Flash program memory (4K x 16), 256 bytes of RAM, and a 12-bit ADC plus advanced motor-control PWM peripherals, housed in an 18-pin SOIC (SO) package. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a set of mixed-signal peripherals (ADC, PWM, timers, communication ports) onto a single die. Within the broader taxonomy, PIC18 belongs to Microchip's enhanced mid-range 8-bit family, which sits below the 16-bit dsPIC/PIC24 and 32-bit PIC32 families, and is widely deployed in cost- and power-sensitive embedded designs where deterministic interrupt response and simple programming models outweigh raw computational throughput. Key specifications of the PIC18F1330T-I/SO include 8 KB Flash, 256 bytes RAM, 16 general-purpose I/O pins, an integrated 10-bit ADC, a Power Control PWM module with up to 6 PWM channels, and operating voltage of 2.0 V to 5.5 V. The 40 MHz internal oscillator and 200 ns instruction execution allow deterministic loop control, while the SOIC-18 industrial-temperature (-40C to +85C) package supports surface-mount assembly for production volumes. Architecturally, the PIC18F1330T-I/SO implements Microchip's enhanced Harvard RISC core with a 16-bit instruction word and 8-bit data path, providing high code density in C and assembly. The on-chip Power Control PWM (PCPWM), 10-bit ADC, and configurable peripherals enable fully digital closed-loop control of brushed DC, brushless DC, and switched-reluctance motors without external driver ICs, which simplifies BOM and reduces board area. Typical applications include motor control (BLDC, PMSM, brushed DC), sensorless fan control, switched-mode power supply (SMPS) digital control loops, LED lighting drivers with dimming, and small appliance control boards. The integrated high-resolution PWM and ADC pairs make this MCU especially well-suited to closed-loop current/voltage regulation. A critical design consideration is choosing between internal and external oscillator modes for noise-sensitive analog measurements; for motor-control designs the 40 MHz Fosc with PLL can introduce switching noise on ADC channels and may require careful grounding and filter selection. The 18-pin SOIC package leaves only 16 GPIO pins, so design reuse from larger PIC18F variants requires careful peripheral remapping. This page synthesizes distributor pricing, parametric proximity scores for drop-in alternatives, and PCB-layout guidance specific to the PIC18F1330T-I/SO - engineering context not consolidated in the manufacturer datasheet alone.

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PIC18F1330T-I/SS - 8KB Flash 8-bit MCU 40MHz Motor Control PWM | Microchip
PIC18F1330T-I/SS

PIC18F1330T-I/SS - 8KB Flash 8-bit MCU 40MHz Motor Control PWM | Microchip

The Microchip Technology PIC18F1330T-I/SS is an 8-bit CMOS flash-based PIC18 microcontroller with 8KB program memory, 256 bytes of RAM, and a 40 MHz maximum operating frequency, housed in a 20-pin SSOP package. It features a dedicated 14-bit Motor Control PWM module, three analog comparators with on-chip reference, a 10-bit ADC up to 6 channels, and an internal 8 MHz oscillator with PLL options. The device executes instructions in 200 ns and supports operating voltages of 4.2V to 5.5V with an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a configurable set of peripheral interfaces. Within the broader taxonomy, the PIC18F1330 belongs to the PIC18 family -> PIC18F subfamily -> 8-bit PIC microcontrollers -> microcontroller IC -> integrated circuit -> semiconductor. The PIC18 architecture is Microchip's enhanced 8-bit Harvard RISC core, offering 16-bit instructions, linear memory addressing, and a C-friendly instruction set that bridges 8-bit simplicity with 16-bit performance for cost-sensitive embedded designs. Key features include hardware Motor Control PWM with configurable duty, period, dead-time and fault inputs; three on-chip analog comparators with software-selectable reference for closed-loop current sensing; LIN/USART serial interface with auto-baud detection; ICD2 in-circuit debugging support; and nanoWatt power management with multiple idle/sleep modes. The 8 KB self-programmable flash supports boot-loader and field firmware updates, while the 256-byte RAM is partitioned for general-purpose, access-bank and context-saving operations. Typical applications include BLDC and brushed-DC motor control (drones, small appliances, fans, pumps), automotive LIN slaves for body controllers, sensor signal conditioning with on-chip comparator-based hysteresis, low-cost fan controllers, and stepper motor drivers where the dedicated 14-bit PWM module eliminates the need for an external motor-control coprocessor. Designers should ensure VDD decoupling is placed within 5 mm of the supply pin and that the internal 8 MHz oscillator is trimmed via the OSCTUNE register if the application demands a precise CAN/LIN bit timing budget.

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PIC18F13K22-E/ML - 8KB Flash, 48MHz 8-bit MCU | Microchip
PIC18F13K22-E/ML

PIC18F13K22-E/ML - 8KB Flash, 48MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F13K22-E/ML is an 8-bit PIC18 microcontroller from the PIC18F1XK22 family, delivering 8KB of Flash program memory, 256 bytes of RAM, and 256 bytes of EEPROM in a 20-pin QFN (4x4) package with exposed thermal pad. It operates from a 2.5V to 5.5V supply and runs up to 48 MHz (16 MIPS) through a 4X PLL from a 16 MHz precision internal oscillator, giving the part 16 MIPS of computational throughput at 5V. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, data EEPROM, and a set of on-chip peripherals around an 8-bit data bus. PIC18 devices sit at the high-performance end of Microchip's 8-bit portfolio (PIC10/12/16/18 hierarchy), combining a RISC instruction set, hardware multiplier, and C-friendly architecture with the broad peripheral integration (ADC, comparators, PWM, communication interfaces) needed to replace external glue logic. The PIC18F13K22 in particular targets power-sensitive applications through nanoWatt XLP technology. Key features include a 10-bit A/D converter with up to 12 analog input channels, dual rail-to-rail comparators with an on-chip selectable Fixed Voltage Reference, enhanced PWM/Capture/Compare peripherals, plus I2C/SPI/EUSART interfaces for sensor and bus connectivity. The PIC18F1XK22 family uses a 16 MHz precision internal oscillator that can be multiplied by 4X PLL to produce 16 MIPS (64 MHz @ 3V) and offers nanoWatt XLP technology for ultra-low-power sleep modes. Typical applications include low-power battery and energy-harvesting nodes, sensor signal conditioning, USB human-interface peripherals, white goods and appliance control, lighting ballast and LED control, automotive body and accessory modules, and general-purpose 5V industrial control where 8-bit cost, footprint, and code simplicity outweigh the need for 32-bit performance. The wide 2.5V-5.5V range allows direct connection to a regulated 3.3V or 5V rail. When designing with this part, plan for the QFN-20 (4x4) land pattern, keep the exposed thermal pad soldered to a continuous ground copper pour for thermal and electrical performance, and validate the chosen Vdd range against the Fosc configuration you select (e.g., 48 MHz requires Vdd >= 2.7V). For new designs, Microchip suggests migrating to PIC18F24Q10, which provides more memory and modern peripherals while remaining in the same 8-bit architectural family. This page synthesizes distributor pricing, parametric same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, with all data sourced from the Microchip product page and DigiKey/Mouser listings as of 2026-09-26.

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PIC18F13K22-E/P - 8-bit 48MHz XLP MCU 8KB Flash | Microchip | DIP-20
PIC18F13K22-E/P

PIC18F13K22-E/P - 8-bit 48MHz XLP MCU 8KB Flash | Microchip | DIP-20

The Microchip Technology PIC18F13K22-E/P is an 8-bit PIC18F "K22" series microcontroller featuring nanoWatt eXtreme Low Power (XLP) technology, 8KB (4K x 16) of Flash program memory, 256 bytes of RAM and 256 bytes of EEPROM, running at up to 48 MHz internal clock in a 20-pin PDIP (through-hole DIP) package. The -E suffix denotes the Extended industrial temperature grade of -40C to +125C. A PIC microcontroller (Programmable Interface Controller, often described as a Peripheral Interface Controller) is a family of low-cost, low-power, Harvard-architecture microcontrollers based on RISC instruction sets. Within the broader taxonomy of integrated circuits, the PIC18F1XK22 sub-family belongs to Microchip's PIC18 "High-Performance" 8-bit line, sitting above the baseline PIC10/12/16 families in computational throughput and peripheral integration. The "K22" suffix specifically marks the nanoWatt XLP variant - devices engineered for ultra-low sleep current (down to tens of nano-amps in deep sleep), making them a preferred choice for battery-powered and energy-harvesting designs. Key features include a 10-bit ADC with up to 12 channels, two PWM modules with enhanced capture/compare, an enhanced USART, MSSP (SPI/I2C), two comparators with selectable references, a 31 kHz internal oscillator, and internal oscillator accuracy of +/-1%. The 16-bit-wide instruction word plus 8-bit data path yields 2:1 code density over baseline PIC16 parts while keeping the C-compiler-friendly architecture and interrupt model familiar to PIC developers. Typical applications include ultra-low-power remote sensors, battery-powered wireless nodes, white-goods and small-appliance controllers, automotive body and HVAC auxiliary modules (extended grade), general-purpose logic replacement, and educational/hobbyist platforms where a through-hole DIP package simplifies breadboarding. Designers often pair the -E/P with a PICkit programmer/debugger for in-circuit serial programming. A critical design consideration is supply voltage - the PIC18F13K22-E/P operates from 4.2V to 5.5V (the E-grade datasheet specifies 5V nominal); drop-in migration to the F-grade (3.6V max) variants must be verified against the application's rail voltage. The Extended temperature grade (-40C to +125C) makes the -E/P suitable for underhood or industrial enclosures, but datasheet AC/DC specs must be re-checked at temperature extremes for timing-critical peripherals.

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PIC18F13K22-E/SO - 8-Bit 48MHz 8KB Flash MCU | Microchip
PIC18F13K22-E/SO

PIC18F13K22-E/SO - 8-Bit 48MHz 8KB Flash MCU | Microchip

The Microchip PIC18F13K22-E/SO is a PIC® XLP™ 18K family 8-bit microcontroller running at 48 MHz with 8 KB (4K x 16) of Flash program memory, housed in a 20-pin SOIC (SO) package. The device is part of the nanoWatt XLP low-power PIC18F1XK22 sub-family and integrates 256 bytes of SRAM, 256 bytes of EEPROM, a 10-bit A/D converter, and 16 I/O pins. An 8-bit microcontroller (MCU) is a small, self-contained computing system on a single integrated circuit that combines an 8-bit CPU core, non-volatile program memory (Flash), volatile data memory (RAM), non-volatile user data (EEPROM), and a rich set of on-chip peripherals such as timers, communication interfaces, and analog-to-digital converters. The PIC18 architecture belongs to the modified Harvard RISC family designed for C-compiler efficiency, and XLP variants extend the operating range into ultra-low-power territory typical of battery applications. PIC microcontrollers sit within the broader hierarchy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. Key features include an extended operating voltage range of 1.8 V to 5.5 V (per the datasheet's wide VDD spec), four 8-bit timers plus one 16-bit timer, an enhanced 10-bit ADC, and support for I²C, SPI, and EUSART (including RS-485) peripherals. The "-E" temperature grade extends to -40 °C to +125 °C operation, and the SOIC-20 footprint makes the part easy to hand-solder or reflow. Internal oscillator options, including a 16 MHz HFINTOSC with ±1% accuracy, allow BOM-cost reduction. Typical applications include low-power remote sensor nodes, IoT edge devices, USB-less consumer peripherals, motor and lighting control subsystems, and battery-backed industrial instrumentation. Its small footprint, low sleep current, and XLP architecture make it especially suitable when standby power matters more than raw throughput. Designers should note that code for PIC18F14K22 / PIC18F15K22 siblings is generally source-compatible because the 1XK22 family shares peripheral mapping, easing migration across pin counts. This page synthesizes pricing, drop-in equivalents, and field notes beyond the standard datasheet.

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PIC18F13K22-E/SS - 8-bit 48MHz 8KB Flash XLP MCU | Microchip
PIC18F13K22-E/SS

PIC18F13K22-E/SS - 8-bit 48MHz 8KB Flash XLP MCU | Microchip

The Microchip Technology PIC18F13K22-E/SS is an 8-bit PIC18 nanoWatt XLP flash microcontroller running at up to 48 MHz with 8 KB of program Flash, 256 bytes of RAM and 256 bytes of EEPROM, housed in a 20-pin SSOP package. The E suffix indicates the extended industrial temperature grade (-40C to +125C), making the part suitable for harsh-environment designs where commercial-grade parts cannot survive. The on-chip peripherals include a 10-bit ADC with up to 12 channels, multiple capture/compare/PWM modules, EUSART, MSSP (SPI/I2C), and nanoWatt XLP sleep currents as low as 50 nA typical. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile RAM, and a mix of analog and digital peripherals. The 8-bit PIC18 architecture falls in the hierarchy: microcontroller -> embedded processor -> semiconductor. Within the MCU family, the PIC18 sits between the 8-bit baseline (PIC10/12/16) and the 16-bit dsPIC/PIC24 families, and is targeted at C-compiler-optimized applications where deterministic behaviour, low power, and rich peripherals matter more than raw MHz. Key features include a 49-instruction RISC core with hardware multiplier, 16-bit instruction word, internal oscillator factory-calibrated to within +/-1% over voltage and temperature, two analog comparators with programmable references, and a charge time measurement unit (CTMU) for capacitive touch sensing. The nanoWatt XLP technology and the deep-sleep modes deliver microamp-level average current for battery-powered designs, which is one reason this family is widely used in IoT edge nodes and remote sensor products. In terms of architecture, the part uses a Harvard bus with separate code and data paths, an 8-level hardware stack, and a vectored interrupt controller with two priority levels. The Flash memory supports self-programming under firmware control, which enables in-field bootloader updates via UART, I2C or SPI - a frequent requirement for sealed products that cannot be physically opened for firmware changes. Typical applications include consumer white goods, low-power handheld instruments, sensor hubs for HVAC systems, USB HID devices (using a software USB stack), and small appliances with capacitive touch interfaces. The wide 2.3V-5.5V supply range lets a single design operate from two AA cells or a regulated 3.3V or 5V rail, simplifying the BOM. When designing with this device, place a 100 nF decoupling capacitor within 5 mm of the VDD pin and keep the MCLR pull-up close to the IC. Use the internal oscillator to free the OSC pins for I/O on pin-constrained designs, and leave the unused I/O pins configured as outputs low to minimize current draw. This page synthesizes distributor pricing, drop-in cross-references, and design notes not found in the manufacturer datasheet alone.

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PIC18F13K22-I/P - 8KB Flash 8-bit nanoWatt XLP MCU | Microchip
PIC18F13K22-I/P

PIC18F13K22-I/P - 8KB Flash 8-bit nanoWatt XLP MCU | Microchip

The Microchip Technology PIC18F13K22-I/P is an 8-bit PIC18F1XK22 family flash microcontroller in a 20-pin PDIP through-hole package, offering up to 64 MHz operation, 8 KB of flash program memory, 256 bytes of RAM, and 256 bytes of data EEPROM. It uses the nanoWatt XLP extreme-low-power technology and is positioned as a 'just right' mid-density MCU between smaller PIC16 parts and larger 28/40-pin PIC18 devices. What is an 8-bit flash microcontroller? An MCU (microcontroller unit) integrates a CPU core, program memory (flash), data memory (RAM), non-volatile data storage (EEPROM), and peripherals (ADC, timers, UART, I/O) on a single die. The PIC18 core is an enhanced 8-bit Harvard RISC architecture with C-compiler-friendly instruction set, 16-bit opcodes, and hardware multiply — well above the older PIC16 baseline. The PIC18F13K22 adds nanoWatt XLP sleep modes (down to single-digit nA typical) that let battery-powered products survive years on a coin cell, while still running code at 16 MIPS from a 64 MHz internal oscillator. Key features include 16 I/O pins, an integrated 10-bit ADC with up to 11 channels, two PWM modules, one Enhanced USART, one MSSP (SPI/I2C), and a wide 1.8 V–5.5 V operating range. The 'I' temperature grade supports -40 °C to +85 °C industrial applications. Internal 16 MHz and 64 MHz oscillators eliminate external crystals on most designs. Typical applications include consumer appliances, low-power IoT sensor nodes, battery-powered handheld instruments, and LED control. The 20-pin PDIP form factor remains the package of choice for through-hole hobby, education, breadboarding, and legacy industrial PCB designs where socketed replacement simplifies field service. The PIC18F13K22-I/P offers familiar MPLAB X IDE, XC8 compiler, and PICkit programmer support.

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PIC18F13K22-I/SO - 8KB Flash 20-Pin nanoWatt XLP MCU | Microchip
PIC18F13K22-I/SO

PIC18F13K22-I/SO - 8KB Flash 20-Pin nanoWatt XLP MCU | Microchip

The Microchip PIC18F13K22-I/SO is an 8-bit PIC18 microcontroller with 8KB Flash, 256 bytes SRAM, and 256 bytes EEPROM, housed in a 20-pin SOIC (SO) package, part of the nanoWatt XLP family. Key features include a 64MHz internal oscillator (16 MIPS at 3.3V), wide operating voltage from 1.8V to 5.5V, 17 I/O pins, and 10-bit ADC with up to 12 channels. The device integrates nanoWatt eXtreme Low Power technology achieving sub-uA sleep currents, peripherals including EUSART, MSSP (SPI/I2C), PWM and comparators, plus in-circuit debugging via ICD. As an 8-bit C-optimized RISC microcontroller, the PIC18F13K22 belongs to the broader hierarchy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. The 14-bit instruction width with 8-bit data path provides an industry-standard architecture supported by MPLAB X IDE, XC8 compiler, and Microchip's extensive peripheral library ecosystem. Typical applications include battery-powered sensor nodes, IoT edge devices, consumer appliances, automotive body electronics, and industrial control modules. The wide voltage range and low sleep current make it ideal for energy harvesting and energy-conscious designs. Design consideration: leverage nanoWatt XLP sleep modes (down to 20 nA typical) by gating peripheral clocks and using the RTCC with a 32 kHz crystal for periodic wake, extending battery life from months to years in many use cases. This page synthesizes distributor pricing, drop-in alternatives in identical 20-pin SOIC footprints, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F13K22T-I/SO - 8KB Flash 8-bit MCU | Microchip
PIC18F13K22T-I/SO

PIC18F13K22T-I/SO - 8KB Flash 8-bit MCU | Microchip

The Microchip PIC18F13K22T-I/SO is a nanoWatt XLP 8-bit PIC18 microcontroller delivering 64 MHz CPU performance with 8 KB Flash, 256 bytes SRAM, and 256 bytes EEPROM in a 20-pin SOIC package. According to the Microchip datasheet, it operates from 4.2 V to 5.5 V and is part of the PIC18F1XK22 family designed for high-performance, power-sensitive applications. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and programmable peripherals on a single silicon die. The PIC18 family uses an enhanced 8-bit RISC Harvard architecture optimized for C compilers, delivering deterministic instruction execution and code density that makes it ideal for embedded control. The PIC18F13K22T-I/SO sits within the broader hierarchy of microcontroller (MCU) > 8-bit MCU > PIC18 family > nanoWatt XLP family > PIC18F1XK22 sub-family. Key features include 16 I/O pins, 10-bit ADC with multiple channels, enhanced PWM, UART, SPI, I2C peripherals, and nanoWatt XLP technology for ultra-low power operation. The device supports multiple low-power sleep modes that draw microampere-level current, making it suitable for battery-powered applications. The 20-pin SOIC package provides compact through-hole-compatible footprint for industrial and consumer designs. The PIC18F13K22T-I/SO uses a 16-bit instruction word with 8-bit data path architecture, achieving most instructions in a single cycle. The integrated nanoWatt XLP technology includes multiple sleep modes, oscillator switching, and doze mode that allow engineers to tune power consumption against performance for energy harvesting, remote sensing, and portable applications where battery life is critical. Typical applications include industrial sensor interfaces, battery-powered IoT sensor nodes, low-power remote controls, small home appliances, and automotive body modules (when properly qualified). Its small footprint and XLP features make it attractive for space-constrained designs requiring extended battery life. The PIC18 ecosystem also offers MPLAB X IDE and XC8 compiler support, simplifying firmware development. When designing with this device, ensure proper decoupling (100 nF ceramic close to VDD), respect the supply voltage range, and configure unused I/O pins as outputs low to minimize current leakage. The device is identical to the PIC18F13K22-I/SO in specifications - the T suffix indicates tape and reel packaging. This page synthesizes distributor pricing, drop-in alternatives from both Microchip and competitor manufacturers, and practical design notes not found in the standalone datasheet, providing unique information gain for procurement and engineering decision-making.

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PIC18F13K22T-I/SS - 8KB Flash 8-bit nanoWatt XLP MCU 20-SSOP | Microchip
PIC18F13K22T-I/SS

PIC18F13K22T-I/SS - 8KB Flash 8-bit nanoWatt XLP MCU 20-SSOP | Microchip

The Microchip Technology PIC18F13K22T-I/SS is a member of the PIC18F1XK22 nanoWatt XLP family of 8-bit flash microcontrollers, offering 8KB of program flash, 256 bytes of RAM and 256 bytes of EEPROM in a 20-pin SSOP package. It is built on a C-compiler-optimized PIC18 RISC architecture, executes instructions at up to 16 MIPS, and is rated for clock speeds up to 64 MHz (internal oscillator) across an industrial operating range of -40C to +85C. An 8-bit RISC microcontroller is a single-chip computer integrating a CPU, non-volatile program memory, working RAM, configurable digital I/O, and a rich peripheral set in one package. Microcontrollers form the lowest tier of the embedded computing hierarchy (MCU -> microcontroller -> embedded processor -> semiconductor), enabling deterministic, low-power control in products where a full microprocessor would be excessive. The 'nanoWatt XLP' branding refers to Microchip's proprietary low-power process and IP that drives quiescent current down to the nanoampere region in sleep modes, a critical advantage for battery-powered or energy-harvesting designs. Key specifications for the PIC18F13K22T-I/SS include 16 I/O pins, up to 16 MIPS throughput, six timers, two analog comparators, a 5-bit DAC, a 10-bit ADC, and support for multiple serial interfaces including EUSART, MSSP (I2C/SPI), and mTouch capacitive sensing. The wide 1.8V to 5.5V supply range allows direct operation from single-cell Li-ion, two-cell alkaline, regulated 3.3V rails, or 5V systems, simplifying power-tree design. In system architecture the device pairs a precision 16 MHz internal oscillator with a 4x PLL to reach 64 MHz system clock, eliminating the cost and PCB area of an external crystal in cost-sensitive applications. The XLP sleep modes (down to tens of nA typical) allow years of operation from a single CR2032 cell, while the CIP (Core Independent Peripherals) set such as the hardware CRC, zero-cross detection and configurable logic cells offload common tasks from the CPU. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, small appliance user interfaces, capacitive-touch front panels, USB-pretending serial bridges, and general-purpose 5V industrial control modules. The 20-pin SSOP footprint also makes the part suitable for handheld instrumentation and consumer accessories where board height matters. When designing with this part, budget the SSOP package's thermal resistance (theta_JA approx 100 C/W typical) for worst-case ambient. Always include decoupling of 100 nF plus 10 uF bulk close to VDD, and verify ADC accuracy against source impedance when sampling high-impedance signals. This page combines distributor pricing, drop-in pin-compatible alternatives from the same PIC18 family, and practical low-power design guidance not available in the bare datasheet, giving engineers a single decision-ready reference for the PIC18F13K22T-I/SS.

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PIC18F13K50-I/MQ - 8-bit USB MCU, 48MHz, 8KB Flash, 20-VQFN | Microchip
PIC18F13K50-I/MQ

PIC18F13K50-I/MQ - 8-bit USB MCU, 48MHz, 8KB Flash, 20-VQFN | Microchip

The Microchip Technology PIC18F13K50-I/MQ is an 8-bit PIC18 microcontroller featuring a full-speed USB 2.0 compliant interface, 48 MHz maximum CPU clock, 8 KB Flash program memory (4K x 16), and a 10-bit ADC, housed in a 20-pin VQFN (5x5 mm) package. It belongs to the PIC XLP 18K family and is targeted at embedded USB applications requiring ultra-low-power operation, with nanoWatt XLP technology for sleep currents below 1 uA in real-time-clock mode. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), peripherals, and I/O on one die. The 8-bit PIC18 core family uses a modified Harvard architecture with a RISC-style instruction set and 16-bit opcodes, providing deterministic throughput and ease of C-compiler targeting. MCUs like the PIC18F13K50 sit within the embedded computing hierarchy as fixed-function, low-power control processors used wherever a general-purpose CPU and OS are unnecessary - typically between discrete logic and application processors. Within that hierarchy, PIC MCUs bridge simple 8-bit controllers (PIC10/12/16) and 32-bit ARM Cortex-M parts, offering USB, ADC, PWM, and rich peripherals at low cost and low power. Key features of the PIC18F13K50-I/MQ include 16 I/O pins, an internal 31 kHz to 16 MHz HF oscillator with PLL up to 48 MHz, hardware USB 2.0 full-speed transceiver with on-chip pull-up/pull-down resistors, mTouch capacitive touch sensing support, and a 10-bit ADC with up to 11 channels. The device also integrates two 8-bit timers plus one 16-bit timer, two PWM modules with capture/compare, an Enhanced USART, and an I2C/SPI MSSP module. Internal regulator and 5V-tolerant I/O (when operating at 5V) simplify mixed-voltage system design. Typical applications include low-cost USB HID/CDC devices (keyboards, mice, custom peripherals), USB-to-UART bridges, battery-powered data loggers, capacitive touch user interfaces, sensor hubs with USB diagnostics, and consumer electronics where BOM cost and PCB area are constrained. The 20-VQFN (5x5 mm) package makes the part suitable for compact dongles and wearable form factors. When designing with the PIC18F13K50, observe that the /MQ suffix designates the 20-pin VQFN industrial temperature (-40C to +85C) variant. Ensure the VUSB 3.3V internal regulator pin is bypassed with the manufacturer-specified capacitor network, and that the D+/D- USB lines follow Microchip's USB 2.0 routing guidelines (90 ohm differential, common-mode choke placement, and guard traces). For low-power designs, use the nanoWatt XLP sleep modes with RTCC rather than relying on software delays. This page synthesizes real-time distributor pricing, drop-in same-package alternatives drawn from the same PIC18F13K50/14K50 family, and practical USB layout design notes that complement the manufacturer datasheet and datasheet.com summary.

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PIC18F13K50-I/SO - 8-bit USB MCU, 8KB Flash, 20-SOIC | Microchip
PIC18F13K50-I/SO

PIC18F13K50-I/SO - 8-bit USB MCU, 8KB Flash, 20-SOIC | Microchip

The Microchip Technology PIC18F13K50-I/SO is an 8-bit PIC18 microcontroller featuring a full-speed USB 2.0 compliant device interface, 8KB of Flash program memory, and 512 bytes of RAM, housed in a 20-pin SOIC (SO) package. It operates at up to 48 MHz instruction-clock throughput and supports a wide 1.8V to 5.5V supply range on the F-variant core, with the I-grade parts specified across -40C to +85C. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and a Harvard RISC architecture. Within Microchip's portfolio the PIC18 sits above PIC10/12/16 as the upper-tier 8-bit family, itself a hypernym for the broader microcontroller -> embedded controller -> semiconductor category. PIC18F13K50-I/SO's differentiating feature is integrated USB 2.0 full-speed hardware with on-chip transceivers and pull-up resistors, allowing a board to act as a USB device with minimal external components. Key specifications include a 10-bit ADC with up to 11 channels (suitable for sensor and analog front-end interfaces), nanoWatt XLP technology for low-power sleep currents in the sub-microamp range, an internal 32 kHz to 16 MHz HF oscillator with PLL, and 15 digital I/O pins. The 20-pin SOIC footprint exposes the D+/D- USB pins, two capture/compare/PWM modules, an Enhanced USART, and an SPI/I2C master/slave module. The architecture uses a Harvard RISC pipeline with 16-bit opcodes and an 8-bit data path, plus hardware multiplier for efficient C compilation in MPLAB X. The combination of integrated USB, multiple timers, and configurable oscillator blocks lets one MCU replace external USB bridge chips plus a separate microcontroller in many designs. mTouch capacitive-touch support and a charge time measurement unit (CTMU) simplify proximity and level-sensing tasks. Typical applications include USB HID peripherals (keyboards, mice, custom joysticks), USB-to-UART bridges and CDC virtual COM ports, capacitive-touch sensor interfaces, low-power sensor nodes, and embedded learning platforms. The wide operating voltage and USB peripheral make it a common choice for any product that needs a single-IC USB device. When designing with this part, verify that the 20-SOIC thermal path is adequate for sustained USB enumeration current and choose the correct USB bus-powered vs self-powered enumeration scheme in firmware. The PIC18F13K50 (F) and PIC18LF13K50 (LF) differ mainly in core voltage range; the I/SO suffix here denotes industrial temperature (-40C to +85C) and the SOIC-20 package. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers choose and qualify the PIC18F13K50-I/SO for USB-aware embedded designs.

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PIC18F13K50-I/SS - 8-bit USB MCU 8KB Flash | Microchip
PIC18F13K50-I/SS

PIC18F13K50-I/SS - 8-bit USB MCU 8KB Flash | Microchip

The Microchip Technology PIC18F13K50-I/SS is an 8-bit PIC18 microcontroller featuring a full-speed USB 2.0 compliant interface, 8 KB of Flash program memory, 512 bytes of RAM, and a 10-bit ADC, all integrated in a 20-pin SSOP package. It operates up to 48 MHz and supports an industrial temperature range of -40°C to +85°C, targeting low-cost USB embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (typically Flash), volatile working memory (RAM), and a set of peripheral interfaces such as timers, ADC, communication ports, and I/O pins. The PIC18F family sits in Microchip's 8-bit enhanced MCU portfolio, designed for deterministic interrupt-driven applications. Within that family, the '13K50' variant uniquely integrates a USB 2.0 full-speed peripheral plus nanoWatt XLP ultra-low-power technology, making it the lowest-pin-count member of the PIC18 USB-capable line. Key features include 15 digital I/O pins, a 10-bit ADC with up to 11 input channels, an internal 31 kHz to 16 MHz configurable oscillator plus a 96 MHz PLL for USB, hardware I²C/SPI/EUSART, mTouch capacitive touch support, and nanoWatt XLP sleep currents under 100 nA typical. The integrated USB transceiver with on-chip 3.3V regulator eliminates external USB PHY components, reducing BOM for HID, CDC, and custom-class USB devices. Architecturally, the device uses an enhanced 8-bit Harvard RISC core with a hardware multiplier and C-friendly compiler support through MPLAB XC8. The peripheral set is fixed-function rather than the configurable 'F1xx' PPS variant, which keeps the silicon small and reduces cost, while a 14-bit instruction word provides uniform instruction timing for predictable interrupt latency. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges (CDC class), low-cost USB sensors, USB automotive interfaces, hobbyist and educational development boards, and battery-powered touch-sensing devices. The combination of native USB, mTouch, and nanoWatt XLP makes it particularly attractive for powered-from-bus designs that must minimize suspend current to comply with USB 2.0 suspend specifications. When designing, attention must be paid to the VUSB 3.3V regulator pin decoupling and the DP/DNM pull-up configuration. A ferrite bead or direct short between VUSB and the MCU VDD, plus a 220 nF + 47 µF bulk capacitor network, is typically required to meet USB-IF electrical compliance.

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PIC18F13K50T-I/SO - 8-bit USB MCU 8KB Flash 20-SOIC | Microchip
PIC18F13K50T-I/SO

PIC18F13K50T-I/SO - 8-bit USB MCU 8KB Flash 20-SOIC | Microchip

The Microchip PIC18F13K50T-I/SO is an 8-bit high-performance enhanced flash microcontroller with an integrated full-speed USB 2.0 compliant interface, 8KB of Flash program memory, 512 bytes of SRAM, and a 10-bit ADC, housed in a 20-pin SOIC package. It operates from 4.2V to 5.5V supply, supports up to 40 MHz clock speed, and provides 15 I/O ports for flexible peripheral connectivity. The T-suffix indicates tape-and-reel packaging, while the I-suffix denotes the industrial -40C to +85C operating temperature range. An 8-bit microcontroller (MCU) is a compact programmable computing device built around an 8-bit data path, integrating CPU, RAM, non-volatile program memory, and peripherals on a single silicon die. PIC18F microcontrollers sit in the broader PIC (Peripheral Interface Controller) family, which falls under the MCU -> microcontroller -> embedded processor -> semiconductor taxonomy. The PIC18F line uses an enhanced Harvard architecture with 16-bit opcodes and 8-bit data, balancing code density with deterministic interrupt handling. Key differentiating features of the PIC18F13K50 include a full-speed USB 2.0 peripheral with on-chip transceiver, nanoWatt XLP technology for ultra-low power consumption, an internal oscillator with PLL for flexible clocking, and a 10-bit ADC with up to 9 channels. The integrated USB transceiver eliminates the need for external USB PHY chips, reducing BOM cost and PCB area. The device also includes a charge time measurement unit (CTMU) for capacitive touch sensing. Architecturally, the PIC18F13K50 employs a RISC-based 8-bit core with a 16-bit instruction word, hardware multiply, and a modified Harvard bus. The USB module automatically switches between a 48 MHz clock for USB operation and a lower-power oscillator for normal run mode, optimizing energy consumption. Internal EEPROM emulation is supported in Flash, and the device supports in-circuit serial programming (ICSP) via two pins, enabling in-field firmware updates. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost USB sensor interfaces, embedded learning platforms, and capacitive touch user interfaces. The wide operating voltage and industrial temperature range make it suitable for consumer, industrial, and USB-enabled IoT edge nodes. When designing with the PIC18F13K50, allocate a 100 nF decoupling capacitor close to VDD and consider the USB D+/D- trace impedance of 90 ohms differential. The internal regulator must be bypassed with the recommended capacitor values from the manufacturer datasheet to ensure stable USB operation. This page synthesizes verified distributor pricing, drop-in SOIC alternatives, and practical design notes not found in the standalone Microchip datasheet, helping procurement and firmware engineers make sourcing decisions faster.

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PIC18F13K50T-I/SS - 8-bit USB MCU, 48MHz, 8KB Flash, 20-SSOP | Microchip
PIC18F13K50T-I/SS

PIC18F13K50T-I/SS - 8-bit USB MCU, 48MHz, 8KB Flash, 20-SSOP | Microchip

The Microchip PIC18F13K50T-I/SS is an 8-bit PIC18 microcontroller with integrated full-speed USB 2.0, 8KB of Flash program memory, 512 bytes of RAM, and 256 bytes of EEPROM, packaged in a 20-pin SSOP. The device runs at up to 48MHz from a 1.8V to 5.5V supply, targeting cost-sensitive embedded USB designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripheral interfaces such as ADC, timers, and communication blocks. Within the Microchip taxonomy, this part belongs to the PIC18 family (8-bit Harvard-architecture RISC core), then the PIC XLP 18K sub-family (eXtreme Low Power), then the USB-capable line, then the power-management IC hierarchy of embedded computing. The PIC18F13K50T-I/SS combines that MCU role with an on-board USB 2.0 full-speed transceiver that auto-negotiates clock and power on VBUS attach. Key features include a 10-bit ADC with multiple channels, four timers, two comparators, a 256-byte data EEPROM, brown-out reset (BOR), power-on reset (POR), watchdog timer (WDT), PWM modules, and 15 I/O lines. The XLP variant adds nanoWatt sleep modes useful for USB-suspended battery-powered nodes. Architecturally, the part uses a CMOS PIC18 Harvard core with separate program and data buses, plus an internal USB transceiver that frees the board from an external PHY. The 8KB Flash supports self-programming, and the on-chip 3.3V regulator can power internal logic from a 5V VBUS rail when USB is attached. Typical applications include USB HID peripherals (keyboards, mice, custom HID), USB-to-UART bridges, USB sensor dongles, low-cost data loggers, and USB firmware-bootloader targets. Designers use it when board area and BOM cost matter more than compute throughput. When laying out this part, keep the VBUS, D+, D-, and regulated 3V3 traces short and follow USB impedance guidelines. The SSOP exposed thermal pad route is unused; ensure the SSOP footprint accommodates the 0.65mm pitch cleanly. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical PCB/USB design notes that go beyond the manufacturer datasheet.

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PIC18F14K22-E/ML - 8-bit 48MHz 16KB Flash MCU | Microchip
PIC18F14K22-E/ML

PIC18F14K22-E/ML - 8-bit 48MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F14K22-E/ML is an 8-bit PIC18 microcontroller built on the nanoWatt XLP (eXtreme Low Power) architecture, integrating 16KB of Flash program memory and 512 bytes of EEPROM in a compact 20-pin QFN (4x4 mm) package. The device operates at up to 48 MHz CPU clock speed from a 4.2V to 5.5V supply, delivering 16 MIPS of performance, and features 12 channels of 10-bit A/D conversion with on-chip selectable Fixed Voltage Reference plus dual rail-to-rail comparators. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and integrated peripherals such as timers, communication interfaces, and analog blocks. The PIC18F family is Microchip's high-performance 8-bit architecture optimized for C compiler efficiency; PIC18F1XK22 sub-family variants shrink the PIC18 feature set into 20-pin / 28-pin packages aimed at cost- and power-sensitive embedded designs. Within the broader taxonomy, the PIC18F14K22 sits under microcontroller -> embedded controller -> semiconductor -> integrated circuit, making it a typical building block for sensor nodes, appliance controls, and battery-powered IoT edge devices. Key features include 17 I/O pins with high-current sink/source capability, hardware USART, SPI, and I2C peripherals, two capture/compare/PWM modules, and nanoWatt XLP modes that drop the active current below 100 nA in Sleep. The internal 16 MHz precision oscillator can be combined with the 4x PLL to reach 64 MHz at 3V, eliminating the need for an external crystal in most designs. Integrated peripherals also include an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) and an MSSP peripheral supporting both SPI and I2C master/slave operation. The QFN-20 (ML) package provides a thermal resistance of approximately 43 C/W and a 4x4 mm footprint suited to compact PCB layouts. The E suffix in the part number designates the Extended (-40C to +125C) operating temperature range required for industrial and automotive under-hood environments, while the ML suffix identifies the 20-lead QFN (Quad Flat No-lead) package variant. Typical applications include handheld consumer products, low-power wireless sensor nodes, battery-powered instrumentation, LED lighting controllers, HVAC damper actuators, and USB-to-UART bridges. The wide 4.2V-5.5V supply range also makes it compatible with regulated 5V USB rails and 4-cell NiMH battery packs. Design tip: when migrating from the older PIC18F14K22 (industrial -40C to +85C) to the E/ML variant, no code change is required - the only differences are temperature range and package style. Ensure unused I/O pins are configured as outputs to minimize Sleep current below 100 nA. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a single reference for BOM selection, sourcing, and circuit design validation.

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PIC18F14K22-E/SO - 8-bit MCU, 16KB Flash, 20-Pin SOIC | Microchip
PIC18F14K22-E/SO

PIC18F14K22-E/SO - 8-bit MCU, 16KB Flash, 20-Pin SOIC | Microchip

The Microchip Technology PIC18F14K22-E/SO is an 8-bit PIC18F1XK22 flash microcontroller delivering 16 KB of on-chip Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM, housed in a 20-pin SOIC (SO) package. It runs at up to 40 MHz of CPU clock speed with a 4.2 V to 5.5 V supply range, and integrates nanoWatt XLP extreme-low-power technology for battery-friendly designs. The /E suffix indicates the -40C to +125C extended operating temperature range, making this part suitable for industrial and harsh-environment applications. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, programmable I/O peripherals, and on-chip support functions like timers, ADC, and communication interfaces. PIC18F devices use a C-compiler-optimized 8-bit RISC architecture and occupy the middle ground of Microchip's PIC lineup - more capable than baseline PIC10/12/16 parts while cheaper and smaller than PIC24/dsPIC33 devices. The PIC18F1XK22 family specifically targets low-pin-count (20 pins) cost-sensitive embedded designs needing nanoWatt XLP energy efficiency. Key features include 16 I/O pins, a 10-bit ADC with up to 12 channels, two comparators, two 8-bit timers plus two 16-bit timers, an enhanced USART, two MSSP (SPI/I2C) modules, and a charge time measurement unit (CTMU) for capacitive touch sensing. The XLP technology delivers typical sleep currents below 50 nA, while the instruction set supports hardware multiply and C-compiler-friendly addressing. These features allow direct use in mains-powered and battery-powered sensor nodes without external glue logic. Typical applications include home-automation controllers, HVAC sensor interfaces, low-cost industrial sensing nodes, capacitive-touch user interfaces, and USB-free serial-comm bridge designs using the on-chip EUSART. The wide 4.2 V to 5.5 V supply range also supports direct connection to regulated 5 V rails without level shifters, simplifying BOM and PCB layout. When designing with this device, place a 0.1 uF decoupling capacitor within 5 mm of VDD and consider ICSP header access for production programming. The MCLR pin must be pulled up through a resistor (typically 10 kOhm) for reliable reset behavior. For battery designs, leverage the XLP sleep modes and the on-chip LDO to maximize idle life.

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