Circuitos Integrados

PIC18F43K20-E/MV

PIC18F43K20-E/MV - 8KB Flash 8-bit MCU, UQFN-40 | Microchip

The Microchip Technology PIC18F43K20-E/MV is an 8-bit PIC18 microcontroller featuring 8KB Flash program memory, 768 bytes RAM, and a 48 MHz maximum CPU speed, packaged in a 40-pin UQFN (MV) with an exposed pad for thermal performance. Operating from 1.8V to 3.6V, the -E/MV suffix denotes the extended temperature grade (-40C to +125C) suited for industrial and automotive-style applications. The device integrates nanoWatt XLP technology for sub-microamp sleep currents, ideal for battery-powered and energy-harvesting designs. An 8-bit PIC microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile Flash memory, volatile RAM, and programmable peripherals into one IC. PIC18 devices use an enhanced RISC Harvard architecture with 16-bit instructions and 8-bit data path, sitting in the PIC family hierarchy of PIC10/PIC12/PIC16/PIC18/PIC24/dsPIC and the broader 8-bit microcontroller category. As a member of the power-management IC ecosystem, the PIC18F43K20 provides the computing and control core for embedded designs, with XLP variants specifically tuned for ultra-low-power standby operation where quiescent current dominates battery life. Key features include 8KB (4K x 16) self-programmable Flash, 768 bytes SRAM, 256 bytes EEPROM, a 10-bit ADC with up to 14 channels, two analog comparators, enhanced CCP, two USART, MSSP (SPI/I2C), and a 16-bit timer with nanoWatt XLP power management. The MV package is a UQFN-40 (6x6 mm) with exposed thermal pad, offering a compact footprint for space-constrained PCB layouts. The architecture relies on a modified Harvard bus with separate program and data paths, 31-level stack, hardware multiplier, and C-friendly instruction set that allows efficient code generation while maintaining predictable timing. The integrated 10-bit ADC and analog comparators make the part suitable for mixed-signal sensor interfaces without external components. Typical applications include low-power sensor nodes, battery-powered instrumentation, industrial control modules, automotive body electronics, consumer peripherals, and USB/HID-capable designs (the family supports USB via peripheral derivatives). The wide temperature range also supports outdoor or industrial enclosures. When designing with this device, ensure the UQFN exposed pad is soldered to a sufficiently large copper pour to meet thermal dissipation and to satisfy the package's electrical ground requirement. Decoupling capacitors must be placed within 3 mm of each power pin for reliable ADC and oscillator operation. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F43K20-E/P

PIC18F43K20-E/P - 8KB Flash 8-bit MCU 48MHz 40-PDIP | Microchip

The Microchip Technology PIC18F43K20-E/P is an 8-bit PIC18 microcontroller featuring 8KB (4K x 16) of Flash program memory, a 48MHz internal oscillator, and nanoWatt XLP (eXtreme Low Power) technology, housed in a 40-pin PDIP (Plastic DIP) through-hole package. The -E suffix designates the extended industrial temperature grade (-40C to +125C), while the /P suffix identifies the 40-pin PDIP form factor. Core features include 8-bit modified Harvard architecture, 49 instruction set, 16-bit wide instructions, 8-bit wide data path, and an instruction cycle time of 83 ns at 48 MHz. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, peripherals, and I/O. The PIC18 family is Microchip's high-performance 8-bit line with a modified RISC architecture, optimized for C-compiler efficiency and widely adopted in consumer, industrial, and automotive body electronics. PIC18 K-series parts specifically add nanoWatt XLP technology for ultra-low sleep currents in battery-powered applications. Key features of the PIC18F43K20 include 10-bit A/D converter with up to 14 channels, multiple communication peripherals (EUSART, MSSP for SPI/I2C), PWM modules, comparators, and configurable logic cells. The device operates from 1.8V to 3.6V and includes self-programming Flash with block erase support, making firmware updates practical in the field. The 48 MHz instruction rate delivers up to 12 MIPS throughput. Typical applications include industrial control panels, sensor signal conditioning, low-power remote monitoring, USB-to-UART bridges (with companion parts), and legacy drop-in upgrades for earlier PIC18 designs. The extended temperature range supports under-hood automotive body controllers, outdoor metering, and HVAC peripherals. When designing with this part, plan for decoupling with 100 nF ceramic capacitors on each VDD/VSS pair within 5 mm of the pins, follow Microchip's MPLAB ICD programming pinout, and use the ICD3 or PICkit 4 for in-circuit debugging. The 40-pin PDIP footprint remains the most user-friendly package for prototype work and breadboard integration.

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PIC18F43K20-E/PT

PIC18F43K20-E/PT - 8KB Flash 8-bit MCU 44-TQFP | Microchip

The Microchip Technology PIC18F43K20-E/PT is an 8-bit PIC microcontroller built on Microchip's nanoWatt XLP technology platform, integrating 8 KB of Flash program memory (4K x 16), 512 bytes of SRAM, and 256 bytes of EEPROM in a 44-pin TQFP surface-mount package. It features a 16-bit instruction word, 36 digital I/O lines, a 10-bit ADC with up to 14 channels, and operates across an extended industrial temperature range of -40C to +125C. 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 (SRAM), peripheral set, and I/O on a single silicon die. The PIC18F family sits within Microchip's 8-bit PIC architecture hierarchy (PIC10 -> PIC12 -> PIC16 -> PIC18) and is widely used in low-power, deterministic embedded control applications where simple firmware and rich peripheral integration outweigh raw CPU throughput. Within the broader semiconductor taxonomy, the PIC18F43K20 belongs to the microcontroller -> embedded processor -> semiconductor device family. Key features of the PIC18F43K20-E/PT include 64 MHz maximum clock speed (16 MIPS internal execution), a wide 1.8V to 3.6V operating voltage range, nanoWatt XLP technology with sub-microamp sleep currents, two analog comparators, two 8-bit timers and three 16-bit timers, an EUSART, an MSSP (SPI/I2C), and a 10-bit ADC with up to 14 input channels. The '-E' suffix indicates the extended temperature grade (-40C to +125C) and the '/PT' suffix denotes the 44-pin TQFP package. Internally, the device uses a 16-bit RISC-style modified Harvard architecture with a single accumulator (WREG) and an instruction pipeline, giving it deterministic interrupt latency that is well-suited to real-time control loops. The internal oscillator can be calibrated to ±1% across 8 MHz to 32 MHz, eliminating external crystal cost on cost-sensitive designs. The 10-bit ADC uses a sample-and-hold architecture with a 1.2V bandgap reference. Typical applications include industrial sensor interface boards, HVAC controllers, automotive body modules, battery-powered remote sensors, and consumer white-goods control boards. The combination of nanoWatt XLP sleep currents (as low as 20 nA typical), wide voltage range, and 36 I/O pins makes it well matched to space-constrained, energy-harvesting, or always-on designs. Designers typically pick this part when they need more I/O and peripheral than PIC16F parts can deliver but do not require the 16-bit DSP or ARM-class throughput of dsPIC33/PIC32 families. For new designs prefer the PIC18F43K20-I/PT (industrial grade -40C to +85C) unless extended temperature is explicitly required, since 'E' parts are now mainly used for replacement of legacy designs. Verify in your design that your toolchain (MPLAB X IDE, XC8 compiler) supports the 'E' silicon revision before committing to volume production.

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PIC18F43K20-I/ML

PIC18F43K20-I/ML - 8-bit PIC XLP MCU 64MHz 8KB Flash QFN-44

The Microchip Technology PIC18F43K20-I/ML is an 8-bit RISC microcontroller belonging to the PIC PIC XLP 18K family, running up to 64 MHz with 8 KB (4K x 16) of Flash program memory and housed in a 44-pin QFN (8x8 mm) package with exposed pad. Key features include 512 bytes of RAM, 256 bytes of EEPROM, 36 digital I/O pins, 14-channel 10-bit ADC, two analog comparators with rail-to-rail inputs, and a 1.2V fixed voltage reference (FVR). The nanoWatt XLP technology delivers ultra-low sleep current, making it ideal for battery-powered designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals on one IC. The PIC18 architecture is an enhanced 8-bit RISC core with a C-compiler-optimized instruction set offering an optional extended instruction set for re-entrant code. MCUs sit between fixed-function logic ICs and full application processors, providing deterministic real-time control for embedded applications including motor control, sensor interfacing, and human-machine interfaces. The XLP nanoWatt tier adds deep-sleep operating modes with currents below 1 uA, suitable for energy-harvesting and IoT endpoints where battery life is critical. Differentiation: 64 MHz operation enables instruction cycles below 62.5 ns, while 16 MIPS throughput supports real-time signal processing. The 10-bit ADC with auto-acquisition can convert during Sleep to minimize CPU wake events. Two rail-to-rail comparators and a programmable 16-level VREF allow direct sensor interfacing without external op-amps. The QFN-44 8x8 mm package with thermal pad delivers low theta-JA for high-I/O-count designs that would otherwise require larger QFP packages. Typical applications include consumer appliances, low-cost medical devices, industrial sensor hubs, remote controls, and battery-powered IoT nodes. The wide 1.8V-3.6V operating range simplifies designs powered by 2x AA alkaline cells or single-cell Li-ion batteries. Design consideration: provide a low-impedance ground return to the QFN thermal pad (EP) and stitch it to the system ground plane with multiple vias to achieve specified thermal performance and reduce ground-loop noise on ADC readings. This page synthesizes distributor pricing, drop-in QFN-44 alternatives, and practical design notes not consolidated elsewhere.

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PIC18F43K20-I/MV

PIC18F43K20-I/MV - 8KB Flash 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F43K20-I/MV is an 8-bit PIC microcontroller in the PIC18F K20 family, featuring 8 KB of Flash program memory (4K x 16), 768 bytes of SRAM and 256 bytes of EEPROM, executing up to 64 MIPS from a 64 MHz internal oscillator, and packaged in a 40-pin UQFN (5x5 mm) with an exposed thermal pad. It operates across 1.8 V to 3.6 V, integrates nanoWatt XLP ultra-low-power technology with multiple power-managed modes, and provides 25 mA source/sink on I/O lines plus a 1.2 V fixed voltage reference, two rail-to-rail analog comparators and a 10-bit ADC with independent input multiplexing. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of 8/16/32-bit RISC microcontrollers from Microchip built around a Harvard architecture. The PIC18F family sits in the mid-range tier, balancing code density, peripheral integration and ultra-low-power operation. Microcontrollers in this class combine a CPU core, Flash program memory, RAM, EEPROM, timers, communication peripherals (UART/SPI/I2C) and analog blocks on a single die, forming the smallest possible self-contained computer for embedded control. The PIC18F43K20 belongs to the PIC18F K20 sub-family, distinguished by nanoWatt XLP energy-management modes and 10-bit ADC capability. Key features include 36 I/O pins with peripheral pin select, four 16-bit timers, one 8-bit timer, two comparators with programmable voltage reference, two CCP modules, an enhanced USART, MSSP for SPI and I2C, a 13-channel 10-bit ADC and an on-chip 1.2 V fixed voltage reference. The 40-pin UQFN package exposes a thermal pad for low thermal resistance, allowing operation at the full -40 C to +85 C industrial temperature range. Typical applications are portable battery-powered instruments, sensor-interface boards, low-power wireless sensor nodes, USB/serial human-interface devices, and general-purpose embedded control where code density, low sleep current and small PCB footprint are all required. When designing with this part, ensure the exposed pad is soldered to a sufficiently large copper pour for thermal relief and ground integrity; bypassing VDD with a 100 nF ceramic capacitor placed within 5 mm of the supply pin is recommended for clean ADC and PLL operation. This page synthesizes current distributor pricing, Microchip PIC18F K20 family cross-references and practical PCB design notes that complement the manufacturer datasheet.

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PIC18F43K20-I/P

PIC18F43K20-I/P - 8KB Flash 8-bit MCU, 64MHz, 40-PDIP | Microchip

The Microchip Technology PIC18F43K20-I/P is a high-performance 8-bit PIC18 enhanced Flash microcontroller with 8KB (4K x 16) of program memory, 512 bytes of RAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP (0.600 inch) through-hole package. The device operates from 1.8V to 5.5V supply (with XLP nanoWatt technology) and runs at up to 64MHz clock speed using an internal oscillator, delivering up to 16 MIPS instruction throughput for embedded control tasks. It provides 36 digital I/O pins, a 14-channel 10-bit ADC, two analog comparators, and three programmable external interrupts, making it a versatile general-purpose MCU. An 8-bit PIC microcontroller is a CISC Harvard-architecture device that executes one instruction per clock cycle from a wide instruction set including hardware multiply, bit-oriented operations, and direct addressing. Within Microchip's taxonomy, the PIC18 family sits between the PIC16 baseline (12-bit instructions) and PIC24/dsPIC (16-bit) families, offering enhanced peripherals (10-bit ADC, PWM, EUSART, MSSP SPI/I2C) at low cost. The "K20" sub-family emphasizes nanoWatt XLP extreme-low-power technology for battery applications, while the "43K20" pin-count code indicates the 40/44-pin variant. Key features include 64MHz max CPU speed, 8KB Flash program memory with self-programmability, 512 bytes SRAM, 256 bytes EEPROM, a 14-channel 10-bit ADC with 1.2V fixed voltage reference, two analog comparators with rail-to-rail inputs, two CCP/ECCP modules for PWM/Signal Measurement, and four interrupt-on-change I/O expanders. Communication interfaces include EUSART with LIN support, MSSP for SPI/I2C master/slave, and an enhanced PWM with complementary outputs and dead-band control. The device also integrates a 16-bit timer with gate control, four 8-bit timers, hardware RTCC with calendar, and a programmable LVD/BOR. Typical applications span consumer electronics (washing machine controllers, microwave ovens, coffee machines), industrial automation (sensor nodes, motor control, HVAC), USB/embedded HID peripherals, smart energy metering, automotive body modules (CAN-less nodes), and battery-powered IoT sensor platforms. Its nanoWatt XLP sleep currents (<100 nA typical) extend coin-cell life in remote sensor nodes. The 40-PDIP package supports breadboard and through-hole prototyping as well as hand-soldered retrofit of legacy through-hole designs without surface-mount reflow infrastructure. When designing with this part, verify the supply voltage range (1.8V-5.5V) matches your rail, ensure decoupling capacitance (0.1uF + 10uF bulk) is placed within 5mm of VDD pins, and use Microchip's MPLAB X IDE + XC8 compiler for code development. The PIC18F43K20-I/P runs code compatible with PIC18F45K20 (different pin count), PIC18F24K30I (lower pin count), and PIC18F26K20I siblings for portable firmware across packages. This page synthesizes distributor pricing, drop-in DIP-40 alternatives (PIC18F45K22-I/P, PIC18F4320-I/P), cross-brand considerations, and practical design notes not found in the manufacturer datasheet - supporting both new design and legacy retrofit workflows.

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PIC18F43K20-I/PT

PIC18F43K20-I/PT - 8-bit PIC XLP MCU 8KB Flash 64MHz | Microchip

The Microchip Technology PIC18F43K20-I/PT is an 8-bit PIC® XLP™ 18K microcontroller IC with 64 MHz maximum clock speed, 8 KB (4K x 16) FLASH program memory, 768 bytes SRAM and 256 bytes EEPROM, housed in a 44-pin TQFP (10x10 mm) package. It operates from 1.8 V to 5.5 V supply (with ADC in 4.2 V to 5.5 V range), supports up to 36 I/O pins and integrates nanoWatt Technology power management for ultra-low-power applications. An 8-bit microcontroller is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (FLASH/ROM), data EEPROM, and peripherals onto one silicon die. PIC microcontrollers from Microchip use a Harvard RISC architecture, placing program and data memory on separate buses to fetch instructions and operands in a single cycle. The PIC18 family extends the baseline PIC16 architecture with 16-bit instruction words, 8-bit data paths, and an extended instruction set for C-compiler efficiency. Key features include 64 MHz operation (16 MIPS throughput), 10-bit ADC with up to 14 channels, enhanced CCP modules, EUSART, MSSP (SPI/I2C), two analog comparators, and four timers. The "XLP" (eXtreme Low Power) label marks nanoWatt Technology devices whose sleep current falls below 100 nA typical, enabling years of operation from a single coin cell. The 44-TQFP package provides ample I/O for human-interface, sensor-front-end, and motor-control designs. Typical applications include consumer appliances, industrial sensor nodes, USB-to-UART bridges, battery-powered instrumentation, and hobby/educational platforms where the PICkit 3/4 and MPLAB X IDE ecosystem accelerates firmware development. The device's broad peripheral set and 5 V tolerance on most digital pins simplify interfacing to legacy 5 V logic without level shifters. When designing with this part, allocate decoupling capacitance of 100 nF within 5 mm of every VDD/VSS pair and follow Microchip's "Minimum PIC MCU Connection" guideline that ties MCLR through a 10 kΩ pull-up to VDD. Industrial temperature grade ("-I") is -40 °C to +85 °C; the "-E" extended grade reaches +125 °C. Pin-compatible variants in 40-pin PDIP, 44-pin QFN, and 28-pin SPDIP packages allow mechanical migration without firmware changes. This page synthesizes distributor pricing, drop-in alternative recommendations, and PCB design guidance not consolidated in the manufacturer datasheet alone.

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PIC18F43K20T-I/ML

PIC18F43K20T-I/ML - 8KB Flash 8-Bit PIC MCU 44-QFN | Microchip

The Microchip Technology PIC18F43K20T-I/ML is an 8-bit PIC18 microcontroller in the nanoWatt XLP family, delivering 64 MHz performance from 8 KB (4K x 16) of Flash program memory in a 44-pin QFN (8x8 mm) package with exposed thermal pad. It features 512 bytes of SRAM, 256 bytes of data EEPROM, thirteen 10-bit ADC channels, two analog comparators, one SPI, one I2C, and a wide 1.8 V to 3.6 V operating range that makes it suitable for both battery-powered and 3.3 V regulated systems. What is an 8-bit PIC microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, EEPROM for data retention, and a rich set of peripherals (ADC, timers, communication ports, comparators). The PIC18 family uses Microchip's enhanced RISC architecture with a 16-bit instruction word and 8-bit data path, offering higher code density than 8051 cores while remaining far simpler than 32-bit Cortex-M devices. The 'K20' sub-family adds nanoWatt XLP technology for deep sleep currents in the nanoamp range, enabling multi-year battery life in always-on products. Key features of the PIC18F43K20T-I/ML include an internal 16 MHz oscillator (software-selectable up to 64 MHz via PLL), self-programmability for bootloader-style field updates, two enhanced USART modules, one MSSP port configurable as SPI or I2C, thirteen 10-bit ADC channels with auto-acquisition, and two comparators with programmable reference. The 44-QFN (8x8) package exposes a thermal pad that should be soldered to a copper pour for proper heat dissipation in continuous high-MIPS workloads. Typical applications include low-power wireless sensor nodes, battery-powered HVAC thermostats, portable medical monitors, USB HID peripherals (using the MSSP + comparators for bus detection), industrial control front-ends, and consumer appliances. The wide 1.8 V to 3.6 V range allows direct connection to single-cell Li-ion or two-cell alkaline battery stacks without a boost regulator. When designing with this device, ensure the exposed pad (EP) is soldered to a grounded copper pour of at least 1 square inch for thermal relief. MPLAB X IDE with XC8 compiler supports the entire PIC18F43K20 family. Program development can use the PICkit 4 or MPLAB Snap debugger. This page synthesizes distributor pricing, drop-in alternative SKUs from the Site MPN list, and practical design notes not found in the manufacturer datasheet PDF, giving engineers and BOM managers a faster path from selection to procurement.

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PIC18F43K20T-I/MV

PIC18F43K20T-I/MV - 8KB Flash 8-bit XLP MCU, 40-UQFN | Microchip

The Microchip Technology PIC18F43K20T-I/MV is an 8-bit PIC18 microcontroller featuring 8KB Flash program memory (4K x 16), 512 bytes of RAM, and 256 bytes of EEPROM, packaged in a 40-pin UQFN (5x5 mm) with an exposed thermal pad. It operates up to 64 MHz with an internal oscillator, supports 1.8V to 3.6V supply (typical 3.3V), and provides 35 digital I/O lines. The "T" suffix denotes Tape & Reel packaging, while the "MV" package designator confirms the 40-UQFN footprint. A PIC (Peripheral Interface Controller) microcontroller is a Harvard-architecture RISC device with separate program and data memory buses, optimised for embedded control. The PIC18 family is Microchip's high-performance 8-bit line, featuring a 16-bit instruction word and an 8-bit data path. PIC microcontrollers sit within a hierarchy of: microcontroller → embedded controller → semiconductor device, and dominate applications requiring deterministic real-time behaviour with low power consumption, especially when combined with the nanoWatt XLP (eXtreme Low Power) technology tier that this part belongs to. Key features of the PIC18F43K20T-I/MV include the nanoWatt XLP low-power architecture, an integrated 10-bit ADC with multiple channels, two PWM/CCP modules, three programmable external interrupts, four interrupt-on-change lines, eight programmable weak pull-ups, and high-current sink/source capability of 25 mA/25 mA per pin. The device also includes a programmable slew rate, auto-shutdown/auto-restart PWM logic, and a 16-level voltage reference using VREF pins. The 40-UQFN package provides excellent thermal dissipation through its exposed pad. Technical depth: the PIC18F43K20 uses Microchip's enhanced 8-bit core with a hardware multiplier, 32 kHz to 64 MHz operation, and configurable instruction-cycle timing. The XLP technology enables sleep currents in the nanoampere range with multiple power-managed modes (Run, Idle, Sleep). The internal oscillator eliminates an external crystal in many designs, reducing BOM cost and PCB area. Typical applications include ultra-low-power sensor nodes, battery-powered IoT edge devices, industrial control modules, consumer electronics with capacitive touch sensing, and USB-interface embedded systems. The combination of small UQFN footprint and low power consumption makes it ideal for space- and energy-constrained designs. Design consideration: when routing the 40-UQFN land pattern, ensure the exposed pad (EP) is soldered to a continuous ground copper pour for thermal dissipation and electrical grounding. Decoupling capacitors (100 nF plus 10 uF bulk) must be placed as close as possible to the VDD pins to handle ADC noise. This page synthesizes distributor pricing from LCSC and DigiKey, drop-in Microchip same-family alternatives, and engineering design notes not found in the manufacturer datasheet.

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PIC18F43K22-E/PT

PIC18F43K22-E/PT - 8KB Flash 8-bit MCU 48MHz TQFP-44 | Microchip

The Microchip Technology PIC18F43K22-E/PT is an 8-bit PIC microcontroller featuring 8 KB of Flash program memory, 336 bytes of data EEPROM, and 768 bytes of SRAM, running at up to 48 MHz from the internal oscillator. It is housed in a 44-pin TQFP (10x10 mm) package and supports industrial temperature grades from -40C to +125C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM/EEPROM), and a rich set of peripheral interfaces (ADC, UART, SPI, I2C, timers, PWM, GPIO) into one package. PIC18F-series devices are 8-bit CISC cores from Microchip, well established in industrial, automotive, and consumer applications due to their deterministic instruction set, broad toolchain support (MPLAB X IDE, XC8 compiler), and extremely long lifecycle commitments. This part falls in the XLP (eXtreme Low Power) family and incorporates nanoWatt technology for sub-uA sleep currents. Key features include a 10-bit ADC with up to 30 channels, two Enhanced USART modules, two MSSP peripherals supporting SPI and I2C (both Master and Slave), a 16-bit enhanced PWM module with up to 9 outputs, two analog comparators, and up to 36 digital I/O pins. The integrated 16 MHz to 48 MHz HFINTOSC eliminates the need for an external crystal in many designs, and the on-chip CTMU (Charge Time Measurement Unit) supports touch and proximity sensing. The PIC18F43K22 architecture uses a Harvard-style 8-bit data path with a 16-bit instruction word, 31-level hardware stack, and a C-optimized instruction set that delivers deterministic interrupt latency. The XLP features include multiple low-power sleep modes (sleep current typically < 100 nA with RTCC running), allowing battery-powered designs to extend operating life by 10-100x compared to non-XLP MCUs. Typical applications include industrial sensor nodes, HVAC control, low-power IoT edge devices, automotive body controllers, energy harvesting systems, LED lighting controllers, and battery-backed instrumentation. The wide operating voltage range and extended temperature grade also suit harsh-environment industrial equipment. Designers should consider using the MPLAB Code Configurator (MCC) plugin to generate peripheral setup code, and budget carefully for the 8 KB Flash limit when selecting this part for protocol stacks (e.g., full Modbus TCP will not fit; Modbus RTU does). For automotive-grade AEC-Q100 qualification, Microchip recommends the newer PIC18F45Q10 family as a migration path. This page synthesizes verified distributor pricing, parametric alternatives, package-aware comparisons, and practical design notes that complement - not duplicate - the Microchip datasheet. Cross-references confirm drop-in compatibility within the PIC18F4XK22 family.

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PIC18F43K22-I/ML

PIC18F43K22-I/ML - 8KB Flash 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F43K22-I/ML is an 8-bit PIC18 XLP flash microcontroller with 8KB (4K x 16) of program memory, 3968 bytes of RAM, and an integrated EEPROM, operating up to 64MHz in a 44-pin QFN (8x8 mm) exposed-pad package. It supports 2.5V, 3.3V, and 5V operation and is qualified for industrial temperature range (-40C to +85C). The device is part of Microchip's low-power nanoWatt XLP family, making it suitable for battery-powered and energy-harvesting applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and configurable peripherals such as timers, ADCs, communication interfaces, and GPIO. PIC18F series microcontrollers use Microchip's enhanced 8-bit RISC architecture with 200 ns instruction execution and a 16-bit instruction word, sitting in the product hierarchy as PIC18 -> 8-bit PIC family -> Microcontrollers -> Integrated Circuits -> Semiconductors. The XLP (eXtra Low Power) designation indicates sub-microamp sleep currents, enabling years of operation on a single battery. Key features of the PIC18F43K22 family include up to 64MHz operation (16 MIPS), 8KB self-programmable Flash with 10k endurance cycles, 3968 bytes of SRAM, 256 bytes of true EEPROM, an enhanced USART, MSSP (SPI/I2C) peripherals, a 10-bit ADC with up to 28 channels, multiple PWM modules, and nanoWatt XLP power management with deep sleep currents under 100 nA typical. The 44-VQFN package provides 36 I/O pins in a compact 8x8 mm footprint. The PIC18F43K22 architecture uses Harvard-bus RISC with hardware multiply, providing deterministic 200ns instruction time at 20MHz and shorter at the 64MHz maximum. The integrated 16-level hardware stack, table-read/write operations, and self-programmable Flash support bootloader-style field updates. CIP (Core Independent Peripherals) such as the Configurable Logic Cell and Numerically Controlled Oscillator reduce CPU load for real-time tasks. Typical applications include industrial control (sensor interfaces, PLCs, motor control), low-power IoT edge nodes, consumer electronics (HMI, appliance controls), automotive body and accessory modules, USB device firmware via the MSSP/USB-capable variants, and battery-backed instruments where the XLP sleep mode preserves charge. The 44-QFN package suits compact board designs requiring maximum GPIO density. When designing, ensure the exposed pad (EP) is soldered to a properly sized ground copper pour for thermal dissipation and electrical grounding; failure to do so can affect oscillator stability. Use Microchip's MPLAB X IDE with XC8 compiler and the PICkit programmer for development. For long-term availability, note that Microchip lists the PIC18F45Q10 as the newer recommended device for new designs. This page synthesizes distributor pricing, drop-in alternatives, design notes, and pinout information not found in the manufacturer datasheet alone, providing engineers a single source for selection, sourcing, and design-in decisions.

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PIC18F43K22-I/MV

PIC18F43K22-I/MV - 8KB Flash 8-bit MCU 40-UQFN | Microchip

The Microchip Technology PIC18F43K22-I/MV is a nanoWatt XLP 8-bit PIC microcontroller featuring 8 KB (4K x 16) of Flash program memory, 512 bytes of RAM, and 256 bytes of EEPROM, housed in a 40-pin UQFN (MV) 5x5 mm package with exposed pad. It executes instructions at up to 64 MHz (16 MIPS) from an enhanced PIC18 RISC core, operates from 2.5V to 5.5V (industrial, -40C to +85C), and integrates 36 digital I/O, a 10-bit ADC with up to 28 channels, two analog comparators, two CCP/ECCP modules, two UART/USART, SPI, I2C, and a 16-bit timer/counter block. The on-chip 8 MHz internal oscillator and nanoWatt XLP technology deliver active currents around 150 uA/MIPS and sleep currents below 100 nA. An 8-bit PIC microcontroller is a Harvard-architecture RISC device that combines a deterministic instruction set, integrated analog peripherals, and on-chip non-volatile program memory in a single package. PIC microcontrollers sit at the lowest tier of the embedded controller hierarchy - below 16-bit dsPIC and 32-bit ARM Cortex-M parts - and are valued for their low power, robust peripherals, and free MPLAB X toolchain support. PIC18F-series parts add larger program-memory addressing and C-friendly architecture extensions over the baseline PIC16F family. Key features of the PIC18F43K22-I/MV include: 8 KB self-programmable Flash, nanoWatt XLP sleep modes (100 nA typical), CTMU charge-time measurement unit for capacitive touch, mTouch capacitive-sensing hardware, a 32 kHz secondary oscillator for low-power timer operation, and a hardware RTCC with calendar. The 10-bit ADC supports automatic acquisition and conversion with up to 28 input channels. The device is in active production and Microchip lists the PIC18F45Q10 as a recommended migration path for new designs. Typical applications include low-power battery sensors (sub-100 nA sleep), capacitive touch user interfaces (CTMU-based), small appliance controls, automotive body and HVAC modules (industrial grade), USB-to-UART bridges when paired with an external transceiver, and LED lighting controllers. The exposed-pad UQFN-40 footprint suits compact handheld designs where board area is at a premium. Design with this part by budgeting ADC acquisition time when sampling high-impedance sources, routing the exposed pad to a continuous ground plane for thermal dissipation, and using the CTMU for production-grade capacitive touch in noisy environments. JTAG/ICSP programming requires dedicated pin assignments - reserve those even if you do not use them in production. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes not consolidated in the manufacturer datasheet alone.

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PIC18F43K22-I/PT

PIC18F43K22-I/PT - 8-bit 64MHz 8KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC18F43K22-I/PT is an 8-bit PIC18 microcontroller featuring 64 MHz CPU speed, 8 KB (4K x 16) of Flash program memory, 256 bytes of EEPROM, and 1 KB of RAM, all integrated in a 44-pin TQFP (10x10 mm) package. It operates from a 2.3 V to 5.5 V supply (PIC18F43K22 extended Vdd range; the "-I" suffix denotes the -40 °C to +85 °C industrial temperature grade), includes nanoWatt XLP ultra-low-power technology, and is part of Microchip's PIC18(L)F2X/4XK22 family of 28/40/44-pin low-power high-performance microcontrollers. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM, and a configurable set of peripherals (ADC, timers, UART, I2C, SPI, comparators, PWM, etc.) into one IC. Within the broader taxonomy, an 8-bit MCU belongs to the microcontroller family, which is itself a sub-category of microprocessors and embedded controllers in the semiconductor hierarchy. The PIC18 core adds hardware multiplier, hardware divider, and an extended instruction set that improves C-compiler code density relative to baseline PIC16 cores. Key differentiating features of the PIC18F43K22 include the nanoWatt XLP power-management suite (deep sleep currents in the nA range), two enhanced USART modules with LIN support, two MSSP modules (I2C/SPI), a 10-bit ADC up to 30 channels, 36 I/O pins, and CTMU charge-time measurement unit for capacitive touch and mTouch sensing. Internal 16 MHz RC oscillator, PLL, and 31 kHz secondary LP oscillator support flexible clocking without external crystals. Architecturally the device uses a Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, allowing single-cycle execution for most instructions at 64 MHz (16 MIPS). Self-programmability supports in-application firmware updates via the bootloader-friendly ICSP/ICD interface, simplifying field upgrades. Typical applications include consumer appliances, white goods and home automation nodes, industrial sensor interfaces and metering, capacitive-touch human-machine interfaces (HMIs), battery-powered IoT endpoints, low-power remote controls, and general-purpose embedded control boards. Designers pick this part when code density, low quiescent current, and a wide peripheral mix must coexist on a compact 44-pin footprint. When designing with the PIC18F43K22, plan unused I/O as outputs or use the internal weak pull-ups to minimize sleep current. The MPLAB X IDE plus MPLAB XC8 compiler and PICkit/SNAP debugger provide the standard firmware toolchain; ICD headers on the target PCB accelerate bring-up. For higher pin counts or more memory, the pin-compatible PIC18F44K22/45K22/46K22 family members can be considered without board rework. This page synthesizes current distributor pricing, parametric alternatives, pinout, and design notes into one engineering reference. It is intended to complement the official Microchip PIC18(L)F2X/4XK22 datasheet, not replace it.

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PIC18F43K22T-I/ML

PIC18F43K22T-I/ML - 8KB Flash 64MHz XLP MCU 44-QFN | Microchip

The Microchip Technology PIC18F43K22T-I/ML is an 8-bit PIC18 microcontroller with 8 KB Flash, 64 MHz CPU, and nanoWatt XLP ultra-low-power technology, packaged in a 44-pin QFN (8x8 mm) with exposed thermal pad. It operates from 2.5V/3.3V/5V across an industrial -40C to +85C temperature range and integrates 64 MHz operation, 8 KB program Flash, 256 B data EEPROM, and 3,968 B SRAM plus rich peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program/data memory, timers, communication peripherals, and interrupt logic. The PIC18 family uses an enhanced 8-bit RISC architecture with 16-bit instructions and hardware multiply, giving 64 MHz equivalent throughput while retaining deterministic interrupt response. PIC18F43K22 sits in Microchip's nanoWatt XLP tier, optimized for battery-powered designs through sleep currents in the nanoamp range and dynamic switching of peripherals. Key differentiating features include 64 MHz operation (8 MIPS effective throughput), 8 KB self-programmable Flash with 256 B data EEPROM, 3,968 B SRAM, 36 digital I/O pins, two enhanced USART modules, two MSSP (SPI/I2C), two 10-bit ADC blocks, three ECCP + two CCP compare/PWM modules, two comparators with CVREF, and a hardware RTCC with calendar mode. Wide 1.8V-5.5V VDD range plus nanoWatt XLP enable coin-cell battery operation with months of standby life. The PIC18F43K22 architecture combines an 8-bit RISC datapath with 16-bit-wide Flash for single-cycle instruction fetch, dual full-bridge PWM, and four timer modules. The XLP analog block includes low-power brown-out reset (LPBOR) and ultra-low-power wake (ULPWU). This gives designers substantial headroom for motor control or LED dimming while keeping active current near 6 mA at 64 MHz. Typical applications include battery-powered sensor nodes, home appliance user interfaces, USB HID peripherals (via the MSSP/USART bootloader path), small motor control for fans or pumps, low-cost HVAC thermostats, and industrial sensor conditioning. The 64 MHz speed and dual USART also suit low-cost wireless gateways that aggregate UART-attached radios. When designing with this device, place the ICSP programming header on the PCB early; even production-bound firmware updates benefit from a 5-pin ICSP footprint. Decouple VDD with a 100 nF plus 10 uF combination near each supply pin and tie all VSS/VSS-pin thermal pad regions together for best ADC accuracy. This page synthesizes drop-in package-compatible alternatives, current distributor pricing tiers as of 2026-09-27, and practical design notes not found in the manufacturer datasheet, helping procurement and embedded engineers make confident selection decisions.

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PIC18F43K22T-I/PT

PIC18F43K22T-I/PT - 8-bit 64MHz 8KB Flash MCU | Microchip

The Microchip Technology PIC18F43K22T-I/PT is an 8-bit PIC microcontroller in the PIC18 XLP 18K family, featuring a 64MHz (16 MIPS) CPU core with 8KB of Flash program memory, 512 bytes of EEPROM, and 768 bytes of RAM. It is housed in a 44-pin TQFP (PT) package measuring 10x10 mm and operates from a 2.3V to 5.5V supply (industrial temperature range: -40C to +85C). An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU, program memory, data memory, and peripherals into one package. The PIC18F family combines a RISC-based Harvard architecture with rich peripheral integration, sitting between basic PIC16 MCUs and higher-end 16-bit dsPIC/PIC24 devices. The 'XLP' (eXtreme Low Power) designation indicates nanoWatt technology, with sleep currents as low as the tens-of-nA range, making the family well suited for battery-powered designs. Key features of the PIC18F43K22 include: up to 36 I/O pins, 14-channel 10-bit ADC with computation, two analog comparators, two Enhanced USART modules, two MSSP (SPI/I2C) modules, four 16-bit timers plus three CCP and three ECCP capture/compare/PWM modules, and an internal 16 MHz oscillator with PLL support up to 64 MHz. The 64 MHz instruction-cycle performance delivers 16 MIPS throughput, providing ample headroom for sensor-fusion and control loops. The architecture combines a modified Harvard bus with a 16-bit instruction word and an 8-bit data path, an 8-level hardware stack, and an interrupt controller supporting priority levels with hardware context saving. Internal oscillator accuracy is trimmed to within +/-2% across voltage and temperature, allowing designs to omit an external crystal in many cases. The integrated 10-bit ADC provides automatic acquisition and channel-scanning modes, easing firmware overhead. Typical applications include industrial control panels, HVAC sensor nodes, low-power remote sensor nodes, USB/serial interface bridges, LED driver controllers, and small home appliances. Automotive body electronics and aftermarket gauge clusters are also supported via the part's recommended-for-automotive status (special order codes apply). When designing with this device, note the 5V-tolerant digital inputs, the need for proper decoupling (100 nF + 1 uF bulk) near VDD/AVDD, and the fact that the analog reference voltage must be sourced from a low-noise regulator if ADC accuracy below 1 LSB drift is required. Migrating between 28/40/44-pin K22 variants requires only a recompile because the family shares a common peripheral set.

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PIC18F4410-E/ML

PIC18F4410-E/ML - 8-Bit 25MHz 16KB Flash MCU 44-QFN | Microchip

The Microchip Technology PIC18F4410-E/ML is an 8-bit PIC18 microcontroller with 16 KB of Flash program memory (8K x 16 organization), 768 bytes of RAM, and a maximum CPU clock speed of 25 MHz (40 MHz oscillator input), housed in a 44-pin QFN (8x8 mm) package with an exposed thermal pad (ML suffix). It belongs to the PIC18F family of enhanced Flash microcontrollers featuring nanoWatt power management technology and a 10-bit A/D converter with up to 13 input channels, making it suitable for mixed-signal embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), peripherals (timers, ADC, communication ports, GPIO), and clock generation on one die. Within the semiconductor hierarchy, the PIC18F4410 sits under: microcontroller -> embedded processor -> integrated circuit (IC) -> semiconductor. PIC18 microcontrollers use Microchip's Harvard-architecture RISC core with an enhanced instruction set tailored for C-compiled firmware, which has made the family dominant in legacy industrial, automotive, and consumer designs. Key features include 36 digital I/O pins, 4 timer modules, a 10-bit ADC, nanoWatt power-saving modes, an EUSART for asynchronous serial communication, MSSP for SPI/I2C, and a parallel slave port. The 'E' temperature grade indicates -40C to +125C extended operating range for industrial and automotive under-hood environments. The 16 KB Flash supports in-circuit serial programming (ICSP) and self-programming, enabling field firmware updates. The PIC18F4410 uses Microchip's enhanced Harvard RISC core with a hardware multiplier and 16-bit instructions, executed from Flash via a 16-bit program bus. The 'ML' package is a 44-lead QFN (Quad Flat No-lead) measuring 8x8 mm, with an exposed die pad (EP) that must be soldered to the board for both electrical ground and thermal dissipation. Internal RC and PLL options provide flexible clocking; nanoWatt technology adds multiple idle and sleep modes that drop quiescent current into the microamp range when peripherals are gated off. Typical applications include industrial control panels, sensor signal conditioning, low-power remote sensor nodes, motor control (small BLDC/PMSM drivers), HVAC thermostats, and battery-powered instrumentation. The combination of 16 KB Flash, 36 I/O, and 10-bit ADC covers a wide spectrum of mid-complexity embedded tasks. When designing with the 'ML' (QFN-44) package, ensure the central exposed pad is soldered to a sufficiently large copper pour (recommended at least 100 mm2) to meet the package's thermal resistance specification. Pin 1 orientation must follow the standard QFN dot/latch convention; failure to solder the EP results in a non-functional part. Always route oscillator traces with a grounded guard ring to minimize EMI coupling into adjacent analog ADC inputs. This page consolidates real distributor pricing as of 2026-09-27, verified drop-in alternatives from Microchip's own PIC18F family, and practical design notes for industrial-grade embedded designs, providing engineering context that supplements the manufacturer datasheet.

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PIC18F4410-E/P

PIC18F4410-E/P - 8-bit 40MHz 16KB Flash MCU DIP-40 | Microchip

The Microchip PIC18F4410-E/P is an 8-bit RISC flash microcontroller from the PIC18 family, delivering 16 KB of program memory, 768 bytes of RAM, and 256 bytes of EEPROM in a 40-pin PDIP (DIP-40) through-hole package. It operates from a 4.2 V to 5.5 V supply at industrial/extended temperatures of -40 °C to +125 °C and runs at clock speeds up to 40 MHz, providing up to 10 MIPS of computational throughput. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals around an 8-bit data path. The PIC18F4410 belongs to the PIC18 family of enhanced flash microcontrollers from Microchip Technology, which are RISC-architecture parts in the broader category of microcontrollers and embedded processing within semiconductors. These devices target applications requiring deterministic real-time control, low power consumption (via nanoWatt technology), and a wide peripheral set. Key differentiating specifications include 36 digital I/O pins, a 10-bit multi-channel analog-to-digital converter (A/D), two analog comparators, two capture/compare/PWM (CCP) modules, an enhanced CCP (ECCP) module, two USART modules, an MSSP (SPI/I2C) port, a 16-bit timer, three 8-bit timers, and a watchdog timer. The device supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD), enabling field upgrades and development without removing the part from the board. Typical applications for this part include industrial control panels, automotive body and chassis subsystems, white goods and appliance controls, HVAC thermostats, sensor signal conditioning nodes, low-end motor control, and general-purpose embedded platforms where through-hole DIP-40 is required for hand prototyping or legacy board compatibility. When designing with the PIC18F4410-E/P, pay attention to the oscillator configuration: the part supports crystal, ceramic resonator, HS, XT, LP, EC, and internal RC modes. Configure the CONFIG1H/2L fuse registers via MPLAB X IDE to match the system clock. Decouple VDD with a 100 nF ceramic capacitor as close as possible to the supply pins, and place a bulk 10 µF capacitor nearby. This page synthesizes distributor pricing as of 2026-09-27, drop-in same-package alternatives, application guidance, and design notes not aggregated on any single manufacturer page. Information gain includes a 40-pin package comparison table, automotive-grade selection guidance, and ICSP/ICD programming best practices.

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PIC18F4410-I/ML

PIC18F4410-I/ML - 8-Bit 40MHz 16KB Flash MCU, 44-QFN | Microchip

The Microchip Technology PIC18F4410-I/ML is an 8-bit PIC18F-series microcontroller (MCU) integrating 16KB (8K x 16) of Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 44-pin QFN (8x8 mm) exposed-pad package. It executes instructions at up to 40 MHz (10 MIPS) from an enhanced Harvard RISC architecture with 75 base instructions, 83 enhanced instructions, and a hardware 8x8 multiply, providing ample throughput for embedded control and sensor-interface applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a rich set of on-chip peripherals into a single package, executing one 8-bit data path per instruction. PIC18F microcontrollers belong to the 8-bit MCU family (8-bit MCU -> microcontrollers -> microcomputer -> embedded computing -> semiconductor). They sit beneath 16-bit dsPIC and 32-bit Arm Cortex devices in the Microchip portfolio and are widely used where deterministic interrupt response and low cost matter more than raw MIPS. Key features of the PIC18F4410 include a 10-bit ADC with up to 13 input channels, a 10-bit PWM module with up to 4 channels, two analog comparators, two USART modules supporting LIN, an SPI port, an I2C master/slave port, two capture/compare/PWM (CCP) modules, and Microchip's nanoWatt Technology for power-managed sleep/idle modes. Up to 36 digital I/O pins are brought out, supporting interrupt-on-change on four pins. The device operates from 2.0 V to 5.5 V across -40C to +85C industrial temperature range. The PIC18F4410 uses a 16-bit instruction word with 8-bit data path, an internal 31-level hardware stack, and a programmable 16-level priority interrupt controller. An integrated Phase-Locked Loop (PLL) multiplies the external oscillator, while the Fail-Safe Clock Monitor (FSCM) detects primary oscillator failure and switches to the internal LFINTOSC, an essential feature for automotive and industrial control reliability. Typical applications include consumer white goods (washing-machine controllers, microwave oven control boards), industrial sensor acquisition and instrumentation, HVAC thermostats and boiler control, low-end automotive body and accessory modules, and battery-powered data-logging appliances using nanoWatt sleep states to extend battery life. The 40 MIPS throughput also suits simple closed-loop PID motor-control loops driving small DC or stepper loads. When designing with the PIC18F4410, place a 100 nF decoupling capacitor on every VDD/VSS pair near the package, and tie the exposed thermal pad (EP) to the PCB ground plane to meet the QFN-44 thermal pad-soldering requirements. Use MPLAB X IDE with the free XC8 compiler; the PICkit 5 in-circuit debugger programs and debugs the device without external hardware. This page synthesizes distributor pricing, drop-in PIC18F4420/PIC18F4431 alternatives, and practical design notes that supplement (but do not replace) the manufacturer datasheet.

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PIC18F4410-I/P

PIC18F4410-I/P - 16KB Flash, 40MHz 8-bit MCU DIP-40 | Microchip

The Microchip Technology PIC18F4410-I/P is an 8-bit PIC18F family Flash microcontroller with 16KB of program memory, 768 bytes of RAM, and 36 digital I/O lines, housed in a 40-pin PDIP (DIP-40) through-hole package. It operates at up to 40 MHz from a 4.2V to 5.5V supply and integrates a 10-bit ADC, nanoWatt power management, and the standard PIC18 peripheral set including USART, MSSP (SPI/I2C), CCP, and timers. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that fetches, decodes, and executes instructions from on-chip Flash memory. PIC18F-series devices sit in the upper tier of Microchip's 8-bit portfolio, sitting below the PIC24/dsPIC 16-bit families but above the PIC10/12/16 baseline families in terms of peripheral richness, code density, and CIP (Core Independent Peripherals) support. Within the broader classification, MCUs are a subset of microcontrollers, which themselves fall under microprocessors, integrated circuits, and finally semiconductors. Key features of the PIC18F4410 include 16KB Flash program memory with self-programmability, 768 bytes of data RAM, 256 bytes of EEPROM, a 10-bit ADC with up to 13 input channels (device-dependent), two 8-bit and three 16-bit timers, two comparators, a USART with LIN support, MSSP for SPI and I2C, and nanoWatt Technology power management. The 'I' suffix denotes the industrial temperature range (-40C to +85C). The device is built on an enhanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, achieving an instruction execution rate of 10 MIPS at 40 MHz. The 31-level hardware stack, 32 kHz secondary oscillator for low-power Timer1 operation, and fail-safe clock monitor provide robustness for industrial and automotive-adjacent designs. Typical applications for the PIC18F4410 include industrial control panels, sensor interface nodes, motor control auxiliary logic, low-cost consumer appliances, and educational/development boards. The 40-pin PDIP package is especially suited to breadboarding, through-hole prototyping, and legacy board designs that require socketed MCU replacement. According to the Microchip PIC18F4410 datasheet, the device is functionally identical to the PIC18F4410-I/PT (TQFP-44) and PIC18F4410-I/ML (QFN-44) variants except for pinout and package. When designing with this part, ensure that the ICSP/ICD programming pins (PGC/PGD, MCLR) are accessible for in-circuit programming and debugging, and that Vdd/Vss decoupling follows the 100nF + bulk capacitor rule from the datasheet. For power-sensitive designs, leverage the nanoWatt modes (Sleep, Idle, and alternate oscillator switching) to drop quiescent current into the microampere range. This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's PIC18 pin-pack compatibility chart, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F4410T-I/ML

PIC18F4410T-I/ML - 8-Bit 40MHz PIC MCU, 16KB Flash, 44-QFN | Microchip

The Microchip Technology PIC18F4410T-I/ML is an 8-bit PIC18F microcontroller featuring a 40 MHz CPU core, 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, packaged in a 44-pin QFN (8x8 mm) with exposed thermal pad. It offers 36 general-purpose I/O pins and integrates a 13-channel, 10-bit analog-to-digital converter (ADC), plus three serial communication peripherals: one MSSP (I2C/SPI), one enhanced USART (EUSART), and one AUSART. An 8-bit microcontroller (MCU) is a single-chip processor that uses an 8-bit data bus and is typically built on a Harvard or modified-Harvard architecture. Within the broader taxonomy, the PIC18F4410T-I/ML sits at: 8-bit MCU -> RISC microcontroller -> PIC18F family -> enhanced Flash microcontroller -> embedded controller -> semiconductor IC. The "PIC" name stands for "Peripheral Interface Controller," reflecting Microchip's original positioning as a peripheral-rich embedded controller for real-time control tasks. Key features include nanoWatt power management for reduced active and sleep currents, a 10-bit ADC with up to 13 input channels, a hardware multiplier, up to 10 MIPS sustained throughput, and a wide 4.2V to 5.5V operating range. The device also features an enhanced capture/compare/PWM (ECCP) module, two comparators, and a master synchronous serial port (MSSP) that supports both SPI and I2C master/slave modes. The PIC18F4410 uses Microchip's enhanced RISC architecture with a 16-bit instruction word and 8-bit data path, providing up to 10 MIPS at 40 MHz. The integrated 10-bit ADC supports up to 13 channels with acquisition time programmable down to a few hundred nanoseconds, enabling precise sensor reads without an external converter. On-chip peripherals are accessible through a memory-mapped register scheme designed for low-latency, deterministic interrupt response in real-time control loops. Typical applications include industrial automation control, automotive body and chassis subsystems, consumer electronics user interfaces, low-end motor control (BLDC and stepper), and sensor interface nodes. Its 36 I/O count and 44-QFN footprint also suit compact human-machine interface (HMI) boards where PCB real estate is constrained. When designing with this part, note that the "T" suffix indicates Tape & Reel packaging and "I" denotes the -40C to +85C industrial temperature grade. Ensure the exposed pad is soldered to a sufficient copper pour to meet the package's thermal resistance specification. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate and source the PIC18F4410T-I/ML efficiently.

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PIC18F4410T-I/PT

PIC18F4410T-I/PT - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F4410T-I/PT is an 8-bit RISC PIC18 microcontroller running at 40 MHz with 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) surface-mount package. The "T" suffix denotes Tape & Reel packaging and "I" indicates the industrial -40C to +85C operating temperature range, making the part suitable for factory-floor and consumer-embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, ADC, communication ports, and I/O into one package. Within Microchip's taxonomy, the PIC18F family sits in the high-performance 8-bit tier (PIC10/12/16/18 hierarchy), using an enhanced RISC core with hardware multiply and 16-bit instructions to deliver close to 1 MIPS per MHz - faster than baseline PIC16 parts while remaining code-compatible with older PIC18 devices. Key features include 36 digital I/O pins, a 10-bit ADC with up to 13 input channels, two analog comparators, two 8-bit and three 16-bit timers, two capture/compare/PWM (CCP) modules plus one enhanced CCP (ECCP), an enhanced USART with LIN support, an MSSP module for SPI and I2C (master/slave), two-wire synchronous serial interface support, and nanoWatt Technology for low-power sleep modes. The instruction set is C-friendly and the part integrates a configurable 31 kHz to 8 MHz internal oscillator plus PLL, removing the need for an external crystal in many designs. Architecturally, the PIC18F4410 uses a 16-bit instruction word fetched from Flash over a 16-bit bus, executed by an 8-bit ALU with hardware multiply, and complemented by a 31-level hardware stack and fast interrupt response. The 10-bit ADC reaches approximately 30 ksps and the nanoWatt manager offers idle, sleep, and deep-sleep states with <1 uA typical current and multiple wake-up sources (WDT, RTCC, interrupts). Typical applications include industrial control boards, sensor-interface nodes, white-goods motor control, USB-to-UART bridges, low-cost displays, and general-purpose logic replacement. The wide 4.2 V to 5.5 V supply range makes it robust for noisy industrial rails. When designing with this part, allocate at least one external decoupling capacitor pair (100 nF + 10 uF) per VDD/VSS pair, keep the MCLR pull-up weak (~10 kohm) for reliable reset, and place ICSP programming signals on test pads or a 6-pin header for in-field firmware updates.

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PIC18F442-E/L

PIC18F442-E/L - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip PIC18F442-E/L is a high-performance 8-bit RISC microcontroller featuring 16KB of enhanced Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, packaged in a 44-pin PLCC (Plastic Leaded Chip Carrier) J-lead form factor. It operates from 4.2V to 5.5V, executes instructions at up to 40 MHz (10 MIPS), and integrates a 10-bit Analog-to-Digital Converter with up to 8 channels, plus nanoWatt Technology for power-managed sleep modes. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals (timers, communication buses, ADC, PWM, I/O ports) into one package. PIC18F microcontrollers occupy the high-performance tier of Microchip's 8-bit PIC family, sitting above the baseline PIC16F parts, with an enhanced 16-bit instruction word, hardware multiplier, and a C-friendly architecture optimized for compiled-code density. Key features of the PIC18F442-E/L include 34 digital I/O pins (shared with peripherals), two CCP (Capture/Compare/PWM) modules, an MSSP peripheral configurable as either SPI or I2C, an enhanced USART, a parallel slave port, and a self-programming capability that allows in-application firmware updates. The on-chip 10-bit ADC supports 8 channels with conversion rates suitable for sensor sampling, and nanoWatt Technology offers multiple idle/sleep modes for battery-friendly designs. Typical applications include industrial control panels, motor-drive control loops, sensor signal conditioning, consumer appliance user interfaces, and embedded communication bridges where 8-bit deterministic real-time response outweighs the higher cost-per-MIPS of 32-bit MCUs. The wide 4.2V-5.5V supply range and the robust PLCC socket-mount footprint also favor legacy designs and through-hole production lines that have not migrated to QFN. When designing with this MCU, allocate attention to oscillator configuration (HS/HSPLL for 40 MHz), the ADC acquisition time register (ACQT), and the brown-out reset (BOR) thresholds to ensure reliable startup in noisy industrial environments. Note the E suffix indicates the Extended (-40C to +125C) temperature range, distinct from the I (-40C to +85C) variant. This page consolidates distributor pricing, drop-in alternatives within the 44-PLCC footprint, and practical design notes not duplicated on the manufacturer datasheet.

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PIC18F442-E/P

PIC18F442-E/P - 8-bit 16KB Flash MCU, 40MHz | Microchip

The Microchip PIC18F442-E/P is an 8-bit RISC Flash microcontroller featuring 16KB of program memory, 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP (Plastic DIP, 0.600 inch / 15.24 mm) through-hole package rated for the extended industrial temperature grade. The part operates from a single 4.2V to 5.5V supply and reaches a clock speed of 40 MHz, delivering up to 10 MIPS of execution throughput with a 100 ns instruction cycle for high-performance embedded control. An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU, program memory, data memory, I/O peripherals, and timers on a single silicon die, optimized for deterministic control of digital and analog signals in embedded systems. The PIC18F family is Microchip Technology's enhanced mid-range architecture, sitting in the taxonomy Microcontroller -> 8-bit MCU -> RISC MCU -> Flash MCU. It is upwards software-compatible with the PIC16C5X, PIC12CXXX, PIC16CXX and PIC17CXX devices, which provides a seamless migration path for code carried over from earlier designs. Key differentiating features include nanoWatt power-management technology for low-power sleep modes, an integrated 10-bit Analog-to-Digital Converter (ADC) with 8 input channels, two Capture/Compare/PWM (CCP) modules, a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, and 36 digital I/O pins shared across the 40-pin footprint. The device also offers self-programmability via the In-Circuit Debugger (ICD) interface and 256 bytes of non-volatile EEPROM for parameter storage. Architecturally, the PIC18F442 uses an enhanced Harvard bus with separate program and data memories, a hardware multiplier, and an 8-bit data path feeding a 16-bit instruction word. The on-chip Flash supports self-programming so the same controller can update its firmware in the field. Compared with the original PIC18F442, the "-E" suffix denotes the extended temperature grade (-40C to +125C) which gives the part automotive and heavy-industrial reach beyond the standard 0C to +70C PIC18F442-I variant. Typical applications include industrial sensor conditioning loops, motor control with PWM feedback, automotive body and chassis nodes, HVAC controllers, and white-goods user-interface panels. The extended temperature grade also makes the -E/P designation a common choice for any application that has to operate reliably outdoors or in a sealed enclosure. When designing with this part, confirm that the 5V-only supply range (4.2-5.5V) suits your rail - it is not usable in modern 3.3V-only systems without an LDO upstream. Place a 100 nF decoupling capacitor on each VDD pin as close to the package as possible, and route MCLR with a 10 kohm pull-up and a 100 nF cap to ground for clean device-reset behaviour. This page combines distributor pricing, drop-in PIC18 alternatives that share the 40-pin PDIP footprint, and design notes not bundled in the bare manufacturer datasheet.

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PIC18F442-E/PT

PIC18F442-E/PT - 8-bit 40MHz 16KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC18F442-E/PT is an 8-bit RISC PIC18 microcontroller with 40 MHz maximum clock speed, 16 KB (8K x 16) of Flash program memory, and a 44-pin TQFP (10x10 mm) surface-mount package. The 'E' suffix indicates the Extended (automotive) temperature grade of -40C to +125C, and 'PT' identifies the TQFP package. The device operates from 4.2 V to 5.5 V supply voltage and integrates 256 bytes of EEPROM data memory, 768 bytes of RAM, 36 digital I/O lines, a 10-bit ADC with 8 channels, two Capture/Compare/PWM modules, and a synchronous serial port configurable for SPI or I2C. A PIC18 microcontroller belongs to Microchip's 8-bit PIC family, which sits in the broader category of microcontrollers (MCU) - self-contained computing subsystems built around a CPU core, program memory, data memory, and integrated peripherals. The PIC18 family uses a RISC architecture with 77 single-word instructions and a 16-bit instruction word, which provides an upgrade path from earlier PIC16 and PIC12 devices while preserving code compatibility. PIC18F parts are commonly used in industrial control, automotive body electronics, and consumer appliances that require deterministic real-time behavior. Key features include 10 MIPS performance, self-programming Flash, an ICD (In-Circuit Debugger) interface, nanoWatt power management with multiple idle and sleep modes, and an 8-channel 10-bit ADC. The Harvard architecture separates program and data buses for predictable instruction timing, and the peripheral pin-select function (on related F-series devices) simplifies PCB routing. Typical applications for the PIC18F442-E/PT include industrial automation controllers, automotive body and HVAC modules, sensor signal conditioning, low-cost motor control (with PWM), embedded user interfaces, and battery-powered instruments that benefit from nanoWatt sleep current. The 256-byte EEPROM is useful for storing calibration constants or configuration data without external storage. When designing with this part, note that the 4.2 V minimum supply voltage precludes true 3.3 V operation - choose the PIC18LF442 variant for low-voltage systems. Also verify the I/O current budget: total source/sink current across all ports must stay within the device's 200 mA aggregate limit. This page synthesizes distributor pricing, drop-in TQFP-44 alternatives, and practical design notes drawn from Microchip datasheets and the PIC18F family reference manual - data not combined on any single manufacturer or distributor page.

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PIC18F43K20-E/MV - 8KB Flash 8-bit MCU, UQFN-40 | Microchip

PIC18F43K20-E/P - 8KB Flash 8-bit MCU 48MHz 40-PDIP | Microchip

PIC18F43K20-E/PT - 8KB Flash 8-bit MCU 44-TQFP | Microchip

PIC18F43K20-I/ML - 8-bit PIC XLP MCU 64MHz 8KB Flash QFN-44

PIC18F43K20-I/MV - 8KB Flash 64MHz 8-bit MCU | Microchip

PIC18F43K20-I/P - 8KB Flash 8-bit MCU, 64MHz, 40-PDIP | Microchip

PIC18F43K20-I/PT - 8-bit PIC XLP MCU 8KB Flash 64MHz | Microchip

PIC18F43K20T-I/ML - 8KB Flash 8-Bit PIC MCU 44-QFN | Microchip

PIC18F43K20T-I/MV - 8KB Flash 8-bit XLP MCU, 40-UQFN | Microchip

PIC18F43K22-E/PT - 8KB Flash 8-bit MCU 48MHz TQFP-44 | Microchip

PIC18F43K22-I/ML - 8KB Flash 64MHz 8-bit MCU | Microchip

PIC18F43K22-I/MV - 8KB Flash 8-bit MCU 40-UQFN | Microchip

PIC18F43K22-I/PT - 8-bit 64MHz 8KB Flash MCU 44-TQFP | Microchip

PIC18F43K22T-I/ML - 8KB Flash 64MHz XLP MCU 44-QFN | Microchip

PIC18F43K22T-I/PT - 8-bit 64MHz 8KB Flash MCU | Microchip

PIC18F4410-E/ML - 8-Bit 25MHz 16KB Flash MCU 44-QFN | Microchip

PIC18F4410-E/P - 8-bit 40MHz 16KB Flash MCU DIP-40 | Microchip

PIC18F4410-I/ML - 8-Bit 40MHz 16KB Flash MCU, 44-QFN | Microchip

PIC18F4410-I/P - 16KB Flash, 40MHz 8-bit MCU DIP-40 | Microchip

PIC18F4410T-I/ML - 8-Bit 40MHz PIC MCU, 16KB Flash, 44-QFN | Microchip

PIC18F4410T-I/PT - 8-bit 40MHz 16KB Flash MCU | Microchip

PIC18F442-E/L - 8-bit 40MHz 16KB Flash MCU | Microchip

PIC18F442-E/P - 8-bit 16KB Flash MCU, 40MHz | Microchip

PIC18F442-E/PT - 8-bit 40MHz 16KB Flash MCU 44-TQFP | Microchip