Microcontroladores

Productos (19360)

PIC18F43K22-I/ML - 8KB Flash 64MHz 8-bit MCU | Microchip
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 - 8KB Flash 8-bit MCU 40-UQFN | Microchip
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 - 8-bit 64MHz 8KB Flash MCU 44-TQFP | Microchip
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 - 8KB Flash 64MHz XLP MCU 44-QFN | Microchip
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 - 8-bit 64MHz 8KB Flash MCU | Microchip
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 - 8-Bit 25MHz 16KB Flash MCU 44-QFN | Microchip
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 - 8-bit 40MHz 16KB Flash MCU DIP-40 | Microchip
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 - 8-Bit 40MHz 16KB Flash MCU, 44-QFN | Microchip
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 - 16KB Flash, 40MHz 8-bit MCU DIP-40 | Microchip
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 - 8-Bit 40MHz PIC MCU, 16KB Flash, 44-QFN | Microchip
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 - 8-bit 40MHz 16KB Flash MCU | Microchip
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 - 8-bit 40MHz 16KB Flash MCU | Microchip
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 - 8-bit 16KB Flash MCU, 40MHz | Microchip
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 - 8-bit 40MHz 16KB Flash MCU 44-TQFP | Microchip
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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PIC18F442-I/L - 40MHz 8-bit MCU 16KB Flash 44-PLCC | Microchip
PIC18F442-I/L

PIC18F442-I/L - 40MHz 8-bit MCU 16KB Flash 44-PLCC | Microchip

The Microchip Technology PIC18F442-I/L is a high-performance 8-bit CMOS Flash microcontroller based on the PIC18 RISC architecture, delivering up to 10 MIPS (100ns instruction execution) in a 44-pin PLCC (J-Lead) package. It integrates 16KB of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, operating at clock speeds up to 40 MHz across a 4.2 V to 5.5 V supply range. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path and a small but powerful instruction set optimized for embedded control. PIC18-family devices sit in the upper tier of Microchip's 8-bit portfolio, sitting above the PIC16 family in code density, peripheral count, and MIPS throughput, while remaining part of the broader MCU -> embedded controller -> semiconductor taxonomy. The PIC18F442 specifically targets designs that need more code space and RAM than the PIC16 mid-range parts but do not yet justify stepping up to a PIC24 dsPIC or 32-bit MCU. Key features include 34 digital I/O lines, a 10-bit A/D converter with 8 input channels, two Capture/Compare/PWM (CCP) modules, an enhanced USART, an MSSP configurable as SPI or I2C, and nanoWatt Technology dynamic power management. The 8-channel 10-bit ADC supports up to 8 multiplexed analog inputs, and the CCP peripherals make the device well-suited for motor control, power conversion, and PWM-driven actuator applications. The 256-byte on-chip EEPROM provides non-volatile data storage for calibration constants or user settings without external memory. The architecture combines a 16-bit-wide instruction word with an 8-bit data path, allowing most instructions to execute in a single cycle. Self-programming capability, an ICD (In-Circuit Debugger) interface, and C-compiler friendly design reduce development friction. The PIC18F442 is upwardly code-compatible with PIC16C5X, PIC12CXXX, PIC16CXX, and PIC17CXX devices, giving engineers a migration path to higher performance without rewriting firmware. Typical applications include industrial automation and control, automotive body and sensor subsystems, home appliances, sensor interfacing, small motor control, and low-power embedded nodes. The combination of EEPROM, ADC, CCP, and serial peripherals in a 44-pin package is a common fit for HVAC, vending, lighting control, and instrument front-end boards. When designing with this device, budget the oscillator startup time and decoupling carefully; the PLCC package benefits from a ground plane and 100 nF ceramic bypass caps on each supply pin. Note that the PIC18F442-I/L is in Not Recommended for New Designs (NRND) status; existing designs can continue using it but new programs should evaluate the PIC18F452 successor family. 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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PIC18F442-I/P - 8-Bit 40MHz 16KB Flash MCU | Microchip DIP-40
PIC18F442-I/P

PIC18F442-I/P - 8-Bit 40MHz 16KB Flash MCU | Microchip DIP-40

The Microchip Technology PIC18F442-I/P is an 8-bit CMOS Flash-based microcontroller delivering 10 MIPS (100 ns instruction execution) performance from a 40 MHz clock, packaged in a 40-pin PDIP (DIP-40) through-hole form factor. The device integrates 16 KB of Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, providing a complete self-programming platform with In-Circuit Debug (ICD) support. The 'I' suffix denotes the industrial operating temperature range of -40C to +85C, while the 'P' suffix designates the plastic DIP-40 package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, SRAM, EEPROM), and programmable I/O peripherals on one die. PIC18F microcontrollers belong to Microchip's enhanced 8-bit PIC architecture, occupying the mid-tier of the PIC family hierarchy (PIC10/12/14/16 base → PIC18 enhanced → PIC24/dsPIC 16-bit → PIC32 32-bit). They are widely used in industrial control, automotive body electronics, and consumer appliances where deterministic real-time response and a mature toolchain outweigh the raw throughput of 32-bit cores. The PIC18F442 features 34 digital I/O pins, an 8-channel 10-bit Analog-to-Digital Converter (ADC), two Capture/Compare/PWM (CCP) modules, a synchronous serial port configurable as SPI or I2C, an Addressable USART, and nanoWatt power management. The Harvard architecture and 77 single-word instruction set deliver deterministic execution suited to interrupt-driven control loops. Operating voltage spans 4.2 V to 5.5 V from a single supply. Typical applications include industrial automation controllers, motor control firmware, HVAC thermostats, security panel keypads, and white-goods user interfaces. The combination of Flash self-programming, ICD, and a 10-bit ADC enables in-field firmware updates and direct sensor interfacing without external components. According to the manufacturer datasheet, the device offers upwards source-code compatibility with PIC16C5X, PIC12CXXX, PIC16CXX, and PIC17CXX families, providing a seamless migration path. When designing, allocate decoupling capacitors within 5 mm of VDD/AVDD pins and reserve the MCLR pin for a proper reset network to ensure robust operation in electrically noisy industrial environments.

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PIC18F4420-E/P - 8-bit MCU, 16KB Flash, 40MHz, 40-PDIP | Microchip
PIC18F4420-E/P

PIC18F4420-E/P - 8-bit MCU, 16KB Flash, 40MHz, 40-PDIP | Microchip

The Microchip Technology PIC18F4420-E/P is an 8-bit PIC microcontroller built on RISC architecture, delivering 40 MHz operation, 16 KB of on-chip Flash program memory, 768 bytes of RAM and 256 bytes of EEPROM in a 40-pin PDIP (DIP-40) package. It integrates a 10-bit A/D converter with up to 13 input channels, nanoWatt power management technology, and 36 digital I/O lines, making it a strong fit for embedded control designs. The PIC18F4420-E/P operates from 4.2 V to 5.5 V and supports the extended industrial temperature range of -40 °C to +125 °C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), peripherals and I/O on one silicon die, executing instructions in 8-bit-wide data paths. RISC microcontrollers like the PIC18 family prioritise a small, fixed instruction set and Harvard memory architecture so that most instructions complete in a single cycle, simplifying deterministic firmware timing for real-time control tasks. The PIC18F4420-E/P sits within the broader taxonomy: microcontroller -> 8-bit MCU -> PIC18 family -> nanoWatt enhanced-Flash sub-family. Key features that distinguish this part include the nanoWatt Technology power-saving modes (run, idle, sleep, and deep-sleep with RTCC), the 10-bit A/D converter with a built-in acquisition timer, two analog comparators, two CCP/ECCP modules, an enhanced USART, an MSSP port supporting SPI and I²C, and self-programming Flash with an internal programmable LDO of 3.3 V or 5 V. The architecture combines a 16-bit wide instruction word with 8-bit data paths, providing 10 MIPS sustained throughput at 40 MHz. Peripherals are accessed through an SFR-based memory map that keeps ISR latency short and interrupt handling deterministic for real-time control loops. Typical applications include industrial sensor interfacing, motor control front-ends (stepper/small DC), HVAC controllers, automotive body and accessory modules, appliance control boards, and general-purpose embedded platforms that need a through-hole DIP form factor for rapid prototyping or legacy-system drop-in. When designing with the PIC18F4420-E/P, ensure the ICSP programming clock and data pins (RB6/RB7 on 40-pin parts) are reserved for the debugger/programmer header and not loaded by external circuitry; also add a decoupling capacitor within 5 mm of each VDD/VSS pair as recommended in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in equivalents, and practical design notes not found in the standalone Microchip datasheet, supporting faster sourcing and BOM decisions.

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PIC18F4420-E/PT - 8-Bit 40MHz 16KB Flash MCU 44-TQFP | Microchip
PIC18F4420-E/PT

PIC18F4420-E/PT - 8-Bit 40MHz 16KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC18F4420-E/PT is an 8-bit RISC PIC® 18F enhanced flash microcontroller running at up to 40 MHz, integrating 16 KB (8K x 16) of program flash, 768 bytes of SRAM, and 256 bytes of EEPROM in a 44-pin TQFP (10x10 mm) package. The "E" suffix denotes the -40C to +125C extended industrial temperature grade, making it suitable for automotive and harsh-environment deployments. What is a PIC18F microcontroller? PIC18F is Microchip's high-performance 8-bit PIC microcontroller family that bridges legacy 8-bit designs to modern connectivity. It sits within the PICmicro -> 8-bit MCU -> microcontroller -> embedded controller hierarchy. The PIC18F architecture features a 16-bit instruction word, hardware multiply, and a 31-level stack with 77 instructions - balancing code density, deterministic interrupt latency, and ease of programming via MPLAB X IDE. Key features include 36 digital I/O pins arranged across 5 ports (PORTA-PORTE), a 10-bit ADC with up to 13 input channels, two capture/compare/PWM (CCP) modules, an Enhanced CCP (ECCP) module, two USART modules, one MSSP (SPI/I2C), and a 10-bit DAC-style PWM output. The nanoWatt technology provides multiple power-managed modes (Run, Idle, Sleep) and a low-power Timer1 oscillator, enabling standby currents below 1 uA typical. Technically, the PIC18F4420 implements a Harvard architecture with separate program and data buses, hardware Multiply, and 32 KB addressable program space. The integrated ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debug) interfaces allow flash programming and real-time debugging directly on the production PCB using MPLAB ICD 3/4 or PICkit 5 programmers, eliminating the need for socketed parts. Typical applications include industrial sensor signal conditioning with the on-chip ADC, motor control with the ECCP module driving half-bridges, automotive body controllers operating in extended temperature, consumer appliance control panels, and USB-to-UART bridges using the dual USART. The wide supply range (4.2 V to 5.5 V) accommodates regulated 5 V rails. When designing with this MCU, reserve pin 1 (MCLR/VPP) for a proper reset network with a 10 kohm pull-up and a 100 nF cap to ground, and ensure the internal PLL settings match the oscillator configuration bits to avoid clock-failure lockups. This page consolidates distributor pricing, AEC-Q100 cross-reference, drop-in alternatives, and practical MPLAB-based design notes not present in the bare datasheet - offering engineers a faster procurement and design-verification path.

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PIC18F4420T-I/ML - 8-bit PIC MCU 16KB Flash 44-QFN | Microchip
PIC18F4420T-I/ML

PIC18F4420T-I/ML - 8-bit PIC MCU 16KB Flash 44-QFN | Microchip

The Microchip PIC18F4420T-I/ML is an 8-bit PIC18 family CMOS flash microcontroller with up to 16 MIPS throughput, 16 KB of on-chip flash program memory, 768 bytes of RAM and 256 bytes of EEPROM, housed in a 44-pin QFN (ML) package with exposed pad. It operates from 4.2 V to 5.5 V, supports clock speeds up to 40 MHz and provides 36 digital I/O pins plus a 10-bit, 13-channel ADC. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic, low-cost embedded control. PIC18 series parts extend the classic PIC architecture with a 16-bit instruction word, hardware multiplier and nanoWatt power management, sitting between simple PIC10/12/16 MCUs and 16-bit dsPIC/dsPIC33/PIC24 devices. PIC18F4420 specifically belongs to the 28/40/44-pin enhanced flash family that targets human-machine interface, sensor signal conditioning and small protocol bridging tasks. Key features of this part include the nanoWatt power-managed core with multiple idle/sleep modes, a 10-bit ADC with up to 13 input channels, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, an enhanced USART, an MSSP module that supports SPI and I2C (master/slave), and a parallel slave port. The on-chip ICD2/ICD3 debug interface and self-programmable flash make firmware iteration fast in development. Architecturally, the device uses a Harvard-cache RISC engine, 32-level hardware stack and interrupt-driven peripherals, with the ADC sharing a dedicated voltage reference. The exposed thermal pad of the QFN-44 package keeps junction-to-ambient thermal resistance low, allowing reliable operation across the industrial -40C to +85C range. Typical applications include industrial control panels, sensor signal conditioning nodes, USB-to-UART bridges, small graphic LCD drivers, motor control (PWM-driven DC and stepper stages at low power), and HVAC/home appliance user interfaces. It is also widely used as a teaching platform for PIC assembly and C development. When designing with this MCU, place decoupling capacitors (0.1 uF plus 10 uF bulk) within a few millimetres of VDD/VSS pairs, and solder the QFN EP pad to a continuous ground plane for thermal and electrical reasons. Use the MSSP for I2C/SPI peripherals instead of bit-banging, and reserve the parallel slave port pins if bus-mode external memory is anticipated, since they cannot be used as GPIO when the PSP is enabled. This page combines manufacturer datasheet specifications, distributor pricing, drop-in 44-pin QFN alternatives and practical design notes that are not collated in a single place on Microchip's product page.

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PIC18F4420T-I/PT - 40MHz 8-bit MCU, 16KB Flash | Microchip
PIC18F4420T-I/PT

PIC18F4420T-I/PT - 40MHz 8-bit MCU, 16KB Flash | Microchip

The Microchip Technology PIC18F4420T-I/PT is an 8-bit PIC18F-family flash microcontroller (MCU) running up to 40 MHz with 16 KB (8K x 16) of program Flash, 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) package. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path and Harvard architecture, integrating CPU, RAM, non-volatile program memory, peripherals, and I/O on one die. Within the broader taxonomy, the PIC18F4420 belongs to the PIC18F enhanced-flash family -> PIC18 family -> PIC microcontrollers (MCU) -> microcontrollers -> microprocessors and microcontrollers -> semiconductors. The 'T' suffix in the MPN denotes Tape-and-Reel packaging and the 'I' indicates the Industrial temperature grade (-40C to +85C), while 'PT' designates the TQFP-44 package. Key features include 36 digital I/O pins, a 10-bit Analog-to-Digital Converter (ADC) with up to 13 input channels, two USART modules, one MSSP (Master Synchronous Serial Port) supporting both SPI and I2C, two Capture/Compare/PWM (CCP) modules, one Enhanced CCP (ECCP), four 8-bit timers and three 16-bit timers, nanoWatt Technology for power management, and an 8x8 hardware multiplier. The 16 KB Flash supports self-programming and ICSP (In-Circuit Serial Programming). Architecturally, the PIC18F4420 uses an enhanced RISC Harvard architecture with 16-bit instructions and 8-bit data, achieving up to 10 MIPS (Million Instructions Per Second) at 40 MHz. It features separate instruction and data buses, a 32-level hardware stack, 31 interrupt sources with priority levels, and a software-controlled low-power Sleep mode for battery-friendly designs. Typical applications include industrial sensor interfaces, consumer appliance control, building automation, HVAC controls, motor control (low-power brushed DC), and battery-powered instruments where the 16 KB Flash and 768-byte SRAM are sufficient for control logic, protocol handling, and ADC sampling. When designing with the PIC18F4420, allocate proper decoupling (100 nF ceramic per VDD/VSS pair), keep traces to the 20 MHz crystal short, and consult Microchip MPLAB XC8 compiler and PICkit 5 programmer documentation for the development environment. Verify that total I/O sink current does not exceed the 200 mA absolute maximum across all ports. This page synthesizes distributor pricing, drop-in same-package alternatives from Microchip, and design notes not consolidated in the manufacturer datasheet.

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PIC18F4423-E/ML - 8-bit MCU, 16KB Flash, 40MHz, 44-VQFN | Microchip
PIC18F4423-E/ML

PIC18F4423-E/ML - 8-bit MCU, 16KB Flash, 40MHz, 44-VQFN | Microchip

The Microchip PIC18F4423-E/ML is an 8-bit PIC18 family flash microcontroller delivering 40 MHz (10 MIPS) CPU performance with 16 KB on-chip flash program memory and 768 bytes of RAM, packaged in a 44-pin VQFN (8x8 mm) with exposed thermal pad. It integrates a 10-bit A/D converter, nanoWatt power management, and 36 digital I/O pins, making it a general-purpose embedded controller for industrial and consumer designs. The 'E' suffix indicates the extended industrial temperature grade of -40C to +125C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O onto one silicon die. Within the broader semiconductor hierarchy, an MCU is a sub-category of microprocessors, sitting alongside DSPs, FPGAs, and microcontrollers in the embedded compute taxonomy. PIC microcontrollers from Microchip use a Harvard RISC architecture with separate program and data buses, executing most instructions in a single cycle. The PIC18 family is Microchip's high-performance 8-bit line, providing C-compiler-friendly architecture, hardware multiply, and rich peripheral integration. The PIC18F4423 operates from 4.2 V to 5.5 V and includes peripherals such as an enhanced USART, MSSP (SPI/I2C), Capture/Compare/PWM modules, 10-bit ADC with up to 13 channels, and nanoWatt features including idle, sleep, and run-time power modes. Its 16 KB flash supports self-programming and ICSP (In-Circuit Serial Programming). The 'F' designation means flash-based program memory, allowing field-upgradeable firmware. Architecturally, the PIC18F4423 uses a 16-bit instruction word with 8-bit data path, and supports a 31-level hardware stack and software-managed memory model. The 10-bit ADC samples at rates suitable for control loops and slow analog sensing; the PWM/CEC pins support motor, lighting, and switching power control. Typical applications include industrial control, sensor interfaces, low-end motor control, consumer appliances, and human-machine interfaces (HMI). The 40 MHz clock and 36 I/O lines support moderate-density designs requiring multiple analog inputs and serial communication. For designers, the extended temperature grade ('-E') allows automotive and industrial environments without special screening, while the 44-VQFN package is footprint-compatible with several other PIC18F44xx devices, easing PCB reuse across variants. Note that PIC18F devices with the same pin count but different memory sizes in the same package are usually drop-in compatible with code adjustments only. 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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PIC18F4423-E/P - 8-bit 16KB Flash MCU, 40MHz, 40-DIP | Microchip
PIC18F4423-E/P

PIC18F4423-E/P - 8-bit 16KB Flash MCU, 40MHz, 40-DIP | Microchip

The Microchip Technology PIC18F4423-E/P is an 8-bit CMOS flash-based microcontroller from the PIC18F44xx family, featuring 16 KB of program Flash memory and 36 I/O pins in a 40-pin PDIP (DIP-40) through-hole package. It operates at up to 40 MHz (10 MIPS) from a 4.2 V to 5.5 V supply, and integrates a 10-bit A/D converter with up to 13 channels, two analog comparators, a USART, MSSP (SPI/I2C), and the nanoWatt power-managed sleep modes. The -E suffix indicates the extended industrial operating temperature grade (-40 C to +125 C). A PIC18F microcontroller is a Harvard-architecture 8-bit RISC MCU belonging to the wider microcontroller (MCU) family - a category of single-chip computers that integrate CPU, RAM, non-volatile program memory, and peripherals. Within the PIC family hierarchy, PIC18F sits in the enhanced mid-range tier (between PIC16F baseline and dsPIC30/33 DSP families), offering 16-bit instructions, 31-level stack, and C-friendly architecture. PIC18F MCUs are widely used in industrial control, automotive body electronics, and consumer products where deterministic real-time performance and 5 V tolerance are required. Key features of the PIC18F4423-E/P include 16 KB Flash program memory, 768 bytes of RAM, 256 bytes of EEPROM, 25 mA source/sink per I/O, four timer modules (Timer0/1/2/3), a 10-bit ADC with 13 input channels, and two enhanced capture/compare/PWM (ECCP) modules. The device supports ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debugging) via the MPLAB ecosystem. The PIC18F4423-E/P's 40-pin PDIP footprint and 5 V tolerance make it a direct successor to legacy PIC16F and early PIC18F designs. It is widely deployed where hand-solderable through-hole assembly and robust 5 V I/O are required - notably industrial automation modules, HVAC controllers, motor control boards, and instrumentation front-ends. When designing with this part, place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pin pair, and add a 10 uF bulk capacitor on the main supply rail. The MCLR reset pin requires a 10 kohm pull-up to VDD; the device can be programmed/debugged in-circuit via the ICSPDAT/ICSPCLK pins using the MPLAB PICkit 5.

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PIC18F4423-E/PT - 8-Bit 40MHz 16KB Flash MCU 44-TQFP | Microchip
PIC18F4423-E/PT

PIC18F4423-E/PT - 8-Bit 40MHz 16KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC18F4423-E/PT is a high-performance 8-bit CMOS flash-based microcontroller in the PIC18F family, running at up to 40 MHz (10 MIPS) and offering 16 KB of on-chip program flash (8K x 16) plus 768 bytes of SRAM, in a 44-pin TQFP (10x10 mm) package. It is one of Microchip's 28/40/44-pin Enhanced Flash microcontrollers with nanoWatt power management and a 10-bit A/D converter. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash), data memory (RAM), and peripherals (I/O, timers, ADC, communication interfaces) on one die. Within the broader taxonomy, the PIC18F4423 belongs to the RISC MCU family -> 8-bit MCU -> general-purpose microcontroller -> embedded control IC. The PIC18 family uses an enhanced Harvard RISC architecture with 16-bit instructions and 8-bit data paths, sitting above baseline PIC10/12/16 families in performance and below PIC24/dsPIC/PIC32 in raw throughput. Key features include 36 digital I/O lines, 13 ADC channels (10-bit), two analog comparators, two CCP/ECCP modules, two USART modules, MSSP (SPI/I2C), an Enhanced Capture/Compare/PWM peripheral, and nanoWatt Technology dynamic power-management modes. The integrated ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debug) interfaces allow field upgrades and real-time debug via standard Microchip tools (MPLAB X, PICkit, ICD). The 40 MHz maximum clock delivers 10 MIPS, with 200 ns instruction cycle, while nanoWatt modes (Sleep, Idle, RC_RUN, etc.) cut quiescent current for battery applications. The PIC18F4423 uses a modified Harvard architecture with separate program and data buses, plus a 31-level hardware stack, 75 instructions (83 with extended instruction set), and an internal 8 MHz / 32 kHz oscillator block. The 16 KB flash supports self-programming under firmware control (bootloader capability), and the 256-byte data EEPROM simplifies parameter storage. Typical applications include industrial control systems, automotive body electronics (the -E suffix denotes the -40C to +125C extended temperature grade suitable for underhood and industrial environments), consumer appliances, sensor signal conditioning, and low-power remote sensor nodes. With 36 I/O and 13 ADC channels, it can directly interface to keypad matrices, multiple sensors, and bridges. When designing, ensure the 4.2 V to 5.5 V supply rail is well-decoupled with 100 nF + 10 uF ceramic near the VDD pins. For low-power modes, carefully manage oscillator wake-up timing. The -E/PT part is the extended-temperature variant in the TQFP package; the -I/PT variant supports only -40C to +85C. This page consolidates distributor pricing, parametric drop-in alternatives from the PIC18F family, and practical design notes not found on a single manufacturer datasheet page.

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PIC18F4423-I/ML - 8-bit 40MHz 16KB Flash MCU 44-QFN | Microchip
PIC18F4423-I/ML

PIC18F4423-I/ML - 8-bit 40MHz 16KB Flash MCU 44-QFN | Microchip

The Microchip Technology PIC18F4423-I/ML is an 8-bit PIC18F-family enhanced flash microcontroller with a 40 MHz maximum CPU clock (10 MIPS), 16 KB (8K x 16) of on-chip flash program memory and 768 bytes of RAM, housed in a 44-pin QFN (8x8 mm) package with 36 digital I/O lines. It integrates a 12-bit A/D converter (the datasheet family references both 10-bit and 12-bit ADC variants), nanoWatt Technology power management, and supports a 4.2V to 5.5V supply voltage range, making it a strong fit for industrial and embedded control designs. A PIC18F microcontroller is an 8-bit RISC CMOS MCU built around an enhanced Harvard architecture with a 16-bit instruction word. Within the broader taxonomy, PIC18F sits under Microcontrollers -> Integrated Circuits -> Semiconductors, and is the mid-range performance tier above PIC16F and below the dsPIC33/PIC24 16-bit families. PIC18F parts are widely used where deterministic real-time control, generous peripheral integration and easy in-circuit reprogrammability are required. Key features of the PIC18F4423-I/ML include 256 bytes of EEPROM data memory, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, a master synchronous serial port (SSP) supporting SPI and I2C, an enhanced USART, dual analog comparators, and nanoWatt Technology for low-power sleep and idle modes. The 12-bit A/D converter delivers 12-channel acquisition for sensor readout and motor-control feedback. The wide operating temperature range (industrial -40C to +85C) suits factory and outdoor equipment. The architecture uses a 16-bit instruction path with an 8-bit data path, providing up to 10 MIPS throughput at 40 MHz. The flash program memory supports self-programming under bootloader control, allowing field firmware updates over UART or USB. nanoWatt Technology provides dynamic clock switching, sleep/idle modes with sub-microamp currents, and oscillator start-up timers for battery-aware designs. Typical applications include industrial sensor monitoring, HVAC control panels, low-end motor control, instrumentation with analog front-ends, and consumer appliance control boards. The 12-bit ADC plus capture/PWM make it well-suited to closed-loop feedback systems. This device pairs naturally with PIC18F-series companions such as PIC18F4420 (smaller memory variant) or PIC18F4520 (32 KB flash sibling) for scalable product platforms. When designing with the PIC18F4423-I/ML, ensure decoupling (100 nF + 10 uF bulk) is placed close to VDD/VSS pairs and respect the 44-QFN thermal pad soldering guidelines (IPC-7351 land pattern). Plan the trace routing so that the analog AVdd/AVss pair is filtered with a ferrite bead to preserve ADC SNR at full 12-bit resolution. The Industrial (-I) temperature grade covers -40C to +85C, which satisfies most non-automotive embedded-control use cases. This page synthesizes distributor pricing, drop-in PIC18F alternatives, package-level pinout guidance and practical design notes that are not compiled in the manufacturer datasheet alone, giving engineers a faster path from datasheet review to prototype.

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