Circuitos Integrados

PIC18F4480T-I/ML

PIC18F4480T-I/ML - 16KB Flash, 40MHz 8-bit MCU | Microchip

The Microchip PIC18F4480T-I/ML is an 8-bit RISC microcontroller from the PIC18F family featuring 16 KB of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, operating at up to 40 MHz across a 2.5V/3.3V/5V supply range, housed in a 44-pin QFN (ML) exposed-pad package on tape and reel. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus and Harvard architecture, integrating CPU, non-volatile program memory, working RAM, EEPROM, and peripherals such as timers, ADC, communication modules, and I/O. Within the broader taxonomy, the PIC18F4480 belongs to PIC microcontrollers -> microcontrollers (MCU) -> integrated circuits -> semiconductors. The 'F' series adds enhanced Flash program memory and a 16-bit instruction word, while the 4480 sub-family specifically integrates a 10-bit ADC, multiple timers, and CAN/EUSART peripherals for industrial and automotive networking applications. Key features include 36 digital I/O lines, 11 ADC channels with 10-bit resolution, two 8-bit and three 16-bit timers, two enhanced USART modules, a CAN 2.0B controller, and a 4x PLL block. The device supports ICD (In-Circuit Debugger) and ICSP (In-Circuit Serial Programming) interfaces, along with nanoWatt technology for dynamic power management modes including Idle, Sleep, and deep power-down. The architecture uses an enhanced Harvard design with separate code and data buses, allowing instruction fetch and operand read in the same cycle. This produces a 10 MIPS (million instructions per second) throughput at 40 MHz, with hardware multiplier and C compiler-friendly instruction set optimized for embedded control and deterministic real-time response. Typical applications include industrial CAN-bus nodes, automotive body and chassis ECUs, sensor interfacing, motor control, and embedded control in factory automation. The wide 2.0V-5.5V operating range and 40 MHz performance make it suitable for both battery-powered instrumentation and line-powered controllers. Designers should budget adequate copper thermal relief under the exposed pad (EP) to maintain junction temperature within the -40C to +85C industrial range, and follow Microchip AN1281 for QFN PCB layout guidance. This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a one-stop reference for sourcing and engineering decisions.

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PIC18F4480T-I/PT

PIC18F4480T-I/PT - 8-bit 40MHz 16KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC18F4480T-I/PT is an 8-bit PIC18 microcontroller IC running at 40 MHz, integrating 16 KB (8K x 16) of Flash program memory, 768 bytes of SRAM, 256 bytes of EEPROM, and 36 digital I/O pins in a 44-pin TQFP (10x10 mm) surface-mount package. It is part of the PIC18F family of enhanced flash microcontrollers and operates from a 4.2 V to 5.5 V supply, with nanoWatt power-management technology for low-power applications. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory, and peripherals around an 8-bit data path. The PIC18F family sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor device, and is widely used where deterministic real-time response and simple peripheral integration are required. The 'F' suffix designates Flash-based program memory (reprogrammable in-circuit), while the '4480' pin-count suffix denotes a 40/44-pin variant within the family. Key features of the PIC18F4480T-I/PT include an integrated 10-bit A/D converter (nanoWatt technology), enhanced capture/compare/PWM (ECCP) modules, multiple timers, USART, MSSP (SPI/I2C) peripherals, and a CAN module that distinguishes this 4480 variant from sibling PIC18F2480/2580 devices. The 'T' suffix in the part number indicates Tape and Reel packaging, and the 'I' indicates the industrial temperature range of -40C to +85C. Typical applications include industrial control systems, automotive body and powertrain nodes, sensor interfacing, motor control (via ECCP/PWM), and CAN-b networked embedded designs. The wide operating voltage and industrial temperature grade make the PIC18F4480T-I/PT well-suited to factory automation and harsh-environment deployments. When designing with this part, allocate decoupling capacitors of 0.1 uF plus 10 uF near each supply pin and follow Microchip's recommended layout for the analog VREF/AVDD rails. Designers migrating from PIC18F2480/2580 to PIC18F4480 should verify the additional CAN peripheral and pin mapping for port B/D differences. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the PIC18F family, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F448T-I/L

PIC18F448T-I/L - 8-bit 40MHz 16KB Flash MCU | Microchip 44-PLCC

The Microchip Technology PIC18F448T-I/L is an 8-bit PIC18-family Flash microcontroller running at up to 40 MHz, integrating 16 KB of program Flash (8K × 16 words), 768 bytes of SRAM and 256 bytes of EEPROM, in a 44-pin PLCC package supplied on tape-and-reel. Per the manufacturer datasheet, the device offers 34 digital I/O lines, a 10-bit ADC with up to 8 channels, a CAN 2.0B controller, USART, MSSP (SPI/I²C) and Capture/Compare/PWM peripherals. The "T" suffix denotes tape-and-reel packaging and the "I" indicates the industrial temperature grade of -40 °C to +85 °C. The "L" package code identifies the leaded 44-pin PLCC. A PIC18F microcontroller belongs to Microchip's enhanced mid-range 8-bit RISC family, which combines a 16-bit instruction word with 8-bit data path for code-density and deterministic interrupt response. PIC18F parts sit hierarchically within: 8-bit microcontroller -> MCU -> embedded controller -> semiconductor device. They are designed for legacy industrial, automotive-body and CAN-networked embedded applications where deterministic real-time behaviour, low cost, and a mature toolchain (MPLAB X IDE, XC8 compiler, MPLAB ICD programmers) are preferred over Cortex-M0 devices. Key features include a 10-bit A/D converter with up to 8 input channels, an integrated CAN 2.0B module with hardware acceptance filters, an enhanced USART supporting RS-232/RS-485, an MSSP peripheral that supports both SPI and I²C (master/slave), four timer modules (Timer0/1/2/3) and dual analog comparators. The device also integrates NanoWatt Technology power management, supporting run, idle and sleep modes with wake-up on interrupt. Typical applications include industrial CAN-node controllers, HVAC controller boards, sensor-interface modules, automotive body-electronics, and legacy embedded designs where the PIC18 instruction set, peripheral set and tool ecosystem provide shortest development time. The combination of CAN + 10-bit ADC + USART makes it well-suited for distributed sensor networks. When designing with this device, ensure decoupling follows Microchip's recommended 100 nF ceramic on each VDD/AVDD pair and a bulk 10 µF tantalum or ceramic near the IC. Programming/debug uses the ICSP interface on pins RB6/RB7; reserve those pins in PCB layout.

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PIC18F448T-I/PT

PIC18F448T-I/PT - 8-bit MCU, 16KB Flash, 40MHz, CAN 2.0B TQFP-44 | Microchip

The Microchip Technology PIC18F448T-I/PT is an 8-bit Flash microcontroller in the PIC18F family featuring an integrated CAN 2.0B module, 16 KB of program Flash, 768 bytes of RAM, and 256 bytes of EEPROM, operating at up to 40 MHz from a 2.0-5.5 V supply in a 44-pin TQFP (PT) 10x10 mm package. An 8-bit microcontroller (MCU) is a programmable computing IC that executes instructions from embedded Flash memory using an 8-bit data path, providing deterministic real-time control for embedded systems. The PIC18F family belongs to Microchip's enhanced PIC architecture, positioned in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC18F devices add a 16-bit instruction word, hardware multiplier, and C-optimized architecture to the baseline PIC16 instruction set, enabling higher code density and faster execution for applications that exceed baseline PIC16 capabilities but do not justify a 16-bit dsPIC or 32-bit MCU. Key differentiating features of the PIC18F448 include an integrated ECAN-compatible CAN 2.0B controller (active mode, with 6 acceptance filters and 2 filter masks), a 10-bit ADC with up to 8 channels, 5 PWM outputs with 10-bit resolution, and Microchip's nanoWatt Technology power management with multiple idle/sleep modes. The T-suffix designator indicates tape-and-reel packaging for high-volume production, while the I-suffix denotes the industrial -40C to +85C temperature range. The device uses a Harvard RISC architecture with separate program and data buses, 32 KB of linear program memory addressing, and a hardware multiply/divide unit. Its ECAN module supports CAN 2.0B active mode with three transmit and two receive buffers, suitable for industrial automation networks and automotive body modules. In-circuit debugging is supported via ICD pins, and self-programming enables field firmware updates through the standard Flash write routines. Typical applications include CAN-based industrial sensor networks, automotive body and chassis ECUs, HVAC controllers, building automation nodes, and CAN-enabled medical instrumentation. The combination of integrated CAN, ADC, PWM, and nanoWatt power management targets designs that previously required an external CAN controller plus a discrete MCU. When designing with this IC, ensure the CAN bus is properly terminated with 120 ohm resistors at each end of the bus and that the ECAN bit timing is configured per the network baud rate. The 'T' suffix indicates tape-and-reel; if prototyping, order the non-T variant PIC18F448-I/PT in tray packaging for easier handling.

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PIC18F44J10-I/PT

PIC18F44J10-I/PT - 8-bit MCU, 16KB Flash, 40MHz, TQFP-44 | Microchip

The Microchip Technology PIC18F44J10-I/PT is an 8-bit RISC flash microcontroller built on the enhanced PIC18 CPU core, delivering up to 40 MIPS at 40 MHz from a 2.0-3.6V supply. It integrates 16 KB of flash program memory and 1024 bytes of data RAM in a 44-pin TQFP (PT) package, with 36 general-purpose I/O pins and an emulated EEPROM data region (no separate EEPROM array). The PIC18F44J10 family targets cost-sensitive 3V general-purpose designs that still need a rich peripheral set. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals such as timers, communication interfaces, and analog blocks. PIC18 microcontrollers belong to the 8-bit RISC family using a Harvard architecture with separate code and data buses, enabling single-cycle instruction execution and deterministic interrupt latency. The PIC18F44J10 sits in the J-series, which is optimized for 2.0-3.6V operation with nanoWatt power-saving features. Key features include a 10-bit ADC with up to 13 input channels, two analog comparators, two capture/compare/PWM modules, five timer/counters, two MSSP (I2C/SPI) modules, and an enhanced USART with LIN master/slave support. The device provides address masking for I2C, hardware PWM, and brown-out reset for reliable field operation. The peripheral set is well matched to low-cost sensor, motor, and human-interface designs. The PIC18F44J10 uses a 16-bit instruction word with an 8-bit data path and a hardware 8x8 multiplier that speeds up integer math for control loops. Flash endurance is rated at 1k erase-write cycles minimum, with self-programmability under firmware control. The nanoWatt power management block offers idle, sleep, and deep-sleep modes with multiple wake-up sources for battery-aware designs. Typical applications include appliance control panels, low-end consumer electronics, sensor hubs, LIN-based automotive body controllers (non-safety), USB/HID bridges when paired with an external transceiver, and educational or hobby development boards. The wide operating voltage window and rich peripherals make it a flexible drop-in for cost-sensitive legacy designs. When designing with this device, keep in mind that the J-series PIC18 runs only at 2.0-3.6V, so any 5V signal must be level-shifted. Place a 1uF decoupling capacitor adjacent to each VDD/VSS pair and a 10uF bulk capacitor near the regulator output. Use MPLAB X IDE with the XC8 compiler for development and the PICkit 3/4 or ICD 4 for debug. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18 family, and practical design notes not found in the bare manufacturer datasheet, providing actionable intelligence for procurement and engineering decisions.

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PIC18F44J10T-I/ML

PIC18F44J10T-I/ML - 8-bit 40MHz PIC MCU 16KB Flash 44-QFN | Microchip

The Microchip Technology PIC18F44J10T-I/ML is an 8-bit PIC18 RISC microcontroller from the PIC18F45J10 family, delivering 40 MHz core performance with 16 KB (8K x 16) of on-chip Flash program memory and housed in a 44-pin QFN (8x8 mm) package with exposed thermal pad, supplied on tape and reel. 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, USART, I2C and SPI onto one die. Within the broader semiconductor taxonomy, an MCU sits at the lowest tier of computing devices - below microprocessors (MPU) and digital signal processors (DSP). The PIC18 family is Microchip's high-performance 8-bit line featuring a 16-bit modified Harvard architecture, 77 instruction set, and nanoWatt Technology for power-managed operation. PIC18J sub-family members, like the PIC18F44J10, operate from a 2.0 V to 3.6 V core rail with 5.5 V tolerant digital I/O. Key specifications include a 40 MHz maximum operating frequency (10 MIPS), 16 KB Flash program memory, 2 KB SRAM data memory, 36 digital I/O pins, a 10-bit ADC with up to 13 channels, two USART modules (one enhanced with LIN master capability), two MSSP (I2C/SPI) ports with I2C address masking, and two CCP/ECCP modules. The 44-pin QFN package with exposed pad yields a compact 8 mm x 8 mm footprint suitable for high-density PCB layouts. The PIC18F44J10 uses an enhanced 16-bit instruction set with hardware multiply, dedicated peripheral registers, and nanoWatt Technology power management including idle, sleep and run-time peripheral disabling. The 2.5 V / 3.3 V core supply with 5.5 V tolerant I/O simplifies interfacing to legacy 5 V logic, while the 64-level hardware stack with software-pushable overflow handling allows complex state machines. Typical applications include industrial control and human-machine interface (HMI) panels, USB-to-UART bridges, sensor hubs with LIN bus, low-cost graphic LCD controllers, embedded data loggers, and consumer appliances requiring serial connectivity. Two MSSP peripherals with I2C address masking make it especially useful in multi-slave sensor networks. Designers should observe the 3.0 V minimum core supply (typical 3.3 V) and place a decoupling 0.1 µF capacitor on every VDD/VSS pair within 3 mm of the pin. The exposed thermal pad must be soldered to a continuous ground plane to meet the 50 mW per pin power dissipation budget and to satisfy the IPC-7351 thermal relief footprint. This page synthesizes Microchip datasheet specifications, DigiKey live distributor pricing, package-consistent drop-in alternatives, and practical design notes that complement the manufacturer's product page and shorten the engineering evaluation cycle.

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PIC18F44J10T-I/PT

PIC18F44J10T-I/PT - 40MHz 8-bit MCU 16KB Flash 44-TQFP | Microchip

The Microchip Technology PIC18F44J10T-I/PT is a high-performance 8-bit RISC Flash microcontroller from the PIC18J family that executes up to 16 MIPS at 40 MHz and is housed in a 44-pin TQFP (10x10 mm) surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripherals such as timers, ADC, communication controllers, and GPIO into one IC. Microcontrollers sit inside the broader semiconductor hierarchy of integrated circuits and form the lowest-level compute node in embedded systems, above which sit microprocessors, SoCs, and full computers. The PIC18 family in particular is a Harvard-architecture, RISC-based 8-bit line widely used in cost-sensitive consumer, industrial, and automotive body applications. The PIC18F44J10T-I/PT integrates 16 KB of self-programmable Flash program memory (8K x 16 words), 1024 bytes of SRAM data memory, and up to 36 digital I/O pins. Its peripherals include a 10-bit ADC with multiple channels, an enhanced USART with LIN master/slave support, two MSSP modules capable of SPI and I2C (with address masking for multi-slave I2C buses), multiple timer modules, and nanoWatt Technology power management for low-power sleep modes. The core runs from a 2.0-3.6V wide operating range when the on-chip 2.5V/3.3V regulator is enabled, with an industrial -40C to +85C temperature window. Architecturally, the device combines an 8-bit datapath with a 16-bit instruction word and an 8-level hardware stack, plus the standard PIC18 interrupt model. The JTAG-friendly ICSP/ICD interface allows in-circuit programming and debug via the MPLAB Snap, PICkit, or MPLAB ICD tools. The wide-port 44-pin TQFP offers ample GPIO for human-interface, sensor, and display designs. Typical applications include industrial sensing and control nodes, home appliances and white goods, low-cost consumer devices with character or graphical LCDs, automotive body electronics and LIN slaves, USB-to-serial bridges when paired with an external transceiver, and remote sensor / battery-powered data loggers that benefit from nanoWatt Technology. A key design consideration is selecting the right oscillator mode (HS, XT, or internal 31 kHz/8 MHz RC) early in the schematic phase, because switching modes after board layout typically requires re-tuning the oscillator loading capacitor values and clock-pll configuration bits. The MCU's regulator mode also requires a decoupling network on the ENVREG/VDDCORE pins. This page synthesizes distributor pricing, drop-in PIC18 alternatives, and practical design notes not consolidated in the manufacturer datasheet, giving procurement and embedded engineers a single source for evaluating PIC18F44J10T-I/PT designs.

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PIC18F44J11-I/ML

PIC18F44J11-I/ML - 8-bit 48MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F44J11-I/ML is a high-performance 8-bit PIC18J-series microcontroller featuring a 48 MHz internal clock (12 MIPS throughput), 16 KB of Flash program memory, 4 KB of SRAM, and 256 bytes of EEPROM, housed in a 44-pin QFN (8x8 mm) package. It integrates 10-bit A/D conversion, two analog comparators, two UART/USART, SPI, I2C, and USB-compatible full-speed peripheral interfaces, with Peripheral Pin Select (PPS) for flexible I/O mapping. An 8-bit microcontroller (MCU) is a programmable system-on-chip combining an 8-bit CPU core, non-volatile program memory, volatile data RAM, and a mix of digital and analog peripherals in a single silicon die. Within the broader semiconductor taxonomy, MCUs sit under embedded ICs -> microcontrollers -> 8-bit microcontrollers -> low-power nanoWatt family. The PIC18F44J11 belongs to the nanoWatt XLP (eXtreme Low Power) family, leveraging deep-sleep current draw in the nanoamp range to support battery-backed designs. Key differentiating features of the PIC18F44J11-I/ML include its wide 2.0V to 3.6V core voltage with 5.5V-tolerant I/O, Peripheral Pin Select remapping on most digital I/O, hardware Real-Time Clock/Calendar (RTCC) with dedicated timing crystal, and a 10-bit ADC with up to 13 input channels at 40 MHz conversion rate. The 44-QFN (8x8) package exposes 36 I/O pins with a small 8 mm footprint suitable for space-constrained USB-enabled embedded designs. The architecture uses a Harvard-class RISC-style pipeline, 16-bit instructions, and C-compiler-friendly orthogonal addressing. Hardware-level nanoWatt technology supports run, idle, and deep-sleep modes with wake-on-interrupt, making it appropriate for always-on sensor front-ends and human-interface devices. The 5.5V-tolerant I/O simplifies interfacing to legacy 5V peripherals without level shifters. Typical applications for the PIC18F44J11-I/ML include USB human-interface devices (HID), data loggers, USB-to-serial bridges, sensor front-ends with RTCC timestamping, motor drive control panels, and consumer appliance keypads. Its balance of 12 MIPS throughput, integrated USB 2.0 full-speed support, and nanoWatt low-power modes addresses cost-sensitive embedded designs that demand both real-time control and field longevity. A critical design consideration is the 5.5V-tolerant I/O paired with a 3.3V regulated core, which requires careful power-rail sequencing during in-circuit serial programming (ICSP). The deep-sleep current is enabled only when the internal regulator is configured for low-power mode via configuration bits, and wake sources must be explicitly enabled in firmware. This page synthesizes distributor pricing across DigiKey, Mouser, and LCSC, same-brand Microchip drop-in alternatives, application reference designs, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F44J11T-I/ML

PIC18F44J11T-I/ML - 48MHz 8-bit MCU, 16KB Flash, 44-QFN

The Microchip PIC18F44J11T-I/ML is an 8-bit PIC18 microcontroller built on Microchip's nanoWatt XLP technology, integrating 16KB of Flash program memory and 4KB of RAM in a 44-pin QFN package with an exposed thermal pad. It runs at up to 48MHz internal clock speed delivering 12 MIPS, operates from a 2.0V-3.6V core supply with a 4.2V-5.5V analog/digital I/O domain, and supports 36 digital I/O pins across its 44-pin QFN footprint. What is an 8-bit microcontroller? An 8-bit MCU is a self-contained computing IC that executes instructions on 8-bit data paths and integrates CPU, Flash program memory, RAM, peripherals (timers, ADC, communication interfaces), and I/O in a single chip. 8-bit MCUs sit within the broader taxonomy of microcontrollers -> embedded controllers -> semiconductor ICs. PIC18 devices specifically use Microchip's enhanced Harvard RISC architecture targeting cost-sensitive and low-power embedded designs. Key features of the PIC18F44J11 include a 10-bit ADC with up to 13 input channels, two UART modules, two SPI/I2C-capable MSSP peripherals, two analog comparators, a hardware RTCC, and the Peripheral Pin Select (PPS) feature that allows digital peripheral I/O to be remapped to a wide set of physical pins. Deep Sleep mode current is specified in the nanoWatt XLP family at extremely low microamp levels, making the part attractive for battery-powered designs. Architecturally the PIC18F44J11 combines an enhanced RISC core with internal 31 kHz-48 MHz oscillator options including an 8MHz HFINTOSC with PLL, on-chip 16 KB self-programmable Flash, and 4 KB SRAM, with deep sleep and run-time configurable oscillator switching. The ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debug) interfaces are exposed on dedicated pins, enabling production programming and field debugging through Microchip's MPLAB toolchain. Typical applications include USB/HID human-interface peripherals (when paired with a USB transceiver), consumer appliances, industrial control front-ends, low-cost sensor hubs, and battery-powered metering devices where deep sleep current and integrated AFE reduce BOM. The wide operating voltage range and 36 I/O count also suit multi-channel acquisition boards and protocol bridges. When designing with this part, ensure the 44-QFN exposed pad is soldered to a sufficient copper pour to meet the package thermal resistance specification, choose decoupling values per the datasheet's recommended capacitor network, and reserve RB0/RB1/RB6/RB7 (or their PPS alternatives) for ICSP/ICD during layout. The 'T' in the suffix indicates Tape and Reel packaging and the 'I' indicates the -40C to +85C industrial temperature range.

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PIC18F44J11T-I/PT

PIC18F44J11T-I/PT - 8-bit 48MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F44J11T-I/PT is an 8-bit PIC microcontroller from the PIC18 J-series, featuring 16KB Flash program memory, 4KB RAM, and a 48 MHz internal clock speed (12 MIPS) in a 44-pin TQFP (PT) package. It operates from 2.0V to 3.6V (with 4.2V to 5.5V variant noted in legacy documentation) and integrates nanoWatt XLP power management for ultra-low-power applications. The device is engineered for cost-sensitive embedded designs requiring peripheral flexibility and small footprint. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals. The 8-bit PIC architecture uses a modified Harvard RISC design with separate program and data buses, enabling single-cycle instruction execution at the system clock. The PIC18 family extends the baseline PIC16 instruction set with 16-bit opcodes, larger linear memory addressing (up to 2 MB), and hardware multiply, positioning 8-bit PIC MCUs as low-cost workhorses for consumer, industrial, and IoT applications where 32-bit Cortex-M overhead is unnecessary. Key features of the PIC18F44J11T-I/PT include 36 I/O pins with Peripheral Pin Select (PPS) for flexible signal routing, a 10-bit ADC with up to 13 channels, two analog comparators, two CCP/ECCP modules, two USART, two MSSP (I2C/SPI), and Deep Sleep mode for sub-microamp standby current. The integrated RTCC and nanoWatt technology allow battery-powered designs to operate for years on a single cell. The 44-TQFP package (10x10 mm) provides ample I/O for human-machine interface and sensor-aggregation designs. Architecturally, the PIC18F44J11T-I/PT uses a 16-bit instruction word with 8-bit data path, executed at 48 MHz (12 MIPS instruction throughput). Internal oscillator accuracy is factory calibrated to +/- 2%. The device supports self-programmability via ICSP (In-Circuit Serial Programming), enabling firmware updates in the field without removing the chip from the board. Hardware CRC and a programmable 32-bit dead-man timer enhance system reliability in unattended deployments. Typical applications include low-power sensor nodes, home automation controllers, battery-powered remote controls, industrial telemetry modules, USB/HID peripherals, and small appliance control panels. Designers favor this MCU for its XLP sleep current (~20 nA typical in Deep Sleep) and mature MPLAB X IDE toolchain support. The wide peripheral mix eliminates the need for external ADC, comparator, or RTC chips in many designs. When designing with this device, verify that the 3.3V rail tolerance aligns with downstream sensors and that PPS reassignments are documented in the firmware header. Brown-out Reset (BOR) and Watchdog Timer (WDT) should be enabled by default for unattended installations. The Deep Sleep current draw of approximately 20 nA makes this MCU well suited for energy-harvesting or coin-cell designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F44J50-I/PT

PIC18F44J50-I/PT - 48MHz USB 8-bit MCU 16KB Flash TQFP-44

The Microchip Technology PIC18F44J50-I/PT is an 8-bit PIC18 J-series microcontroller featuring integrated full-speed USB 2.0 peripheral, 16 KB Flash program memory, and 3.8 KB RAM in a 44-pin TQFP (10x10 mm) package. Operating from 2.15 V to 3.6 V core supply (4.2 V to 5.5 V analog/IO supply) at up to 48 MHz, it delivers 12 MIPS throughput with nanoWatt XLP power management, making it ideal for cost-sensitive USB peripheral designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The PIC18 family uses an enhanced RISC architecture with 16-bit instructions and 8-bit data paths. USB microcontrollers add a built-in USB transceiver and Serial Interface Engine (SIE), eliminating the need for an external USB interface chip. The PIC18 J-series targets low-power, USB-enabled embedded designs. Key features include 36 digital I/O pins, 13 10-bit ADC channels, two analog comparators, two USART, SPI, I2C peripherals, and a 64 MHz internal oscillator with PLL. The nanoWatt XLP technology provides deep sleep mode (as low as 100 nA typical) and multiple low-power run/Idle modes for battery-powered applications. The integrated USB 2.0 full-speed transceiver supports device, host, and OTG operation through the on-chip SIE. The PIC18F44J50-I/PT uses a Harvard architecture with separate program Flash and data SRAM buses, allowing simultaneous instruction fetch and data access. Its 16 KB self-programmable Flash supports ICSP (In-Circuit Serial Programming), enabling field firmware updates. The device operates over the industrial -40C to +85C temperature range and is RoHS compliant, suitable for industrial, consumer, and medical device designs requiring USB connectivity with minimal BOM. Typical applications include USB-to-UART bridges, HID peripherals (keyboards, mice, game controllers), medical instrumentation with USB data logging, USB-based sensor nodes, and low-power IoT endpoints. The 48 MHz clock rate and integrated USB transceiver simplify USB stack implementation while the small TQFP-44 footprint minimizes PCB area. When designing with this part, ensure the 3.3V core supply decoupling includes a 100 nF ceramic capacitor near each VDD/VSS pin pair and a bulk 4.7 uF capacitor on the core rail. The USB D+/D- lines require 27-ohm series resistors and a 1.5 kohm pull-up on D+ for full-speed device operation. The integrated USB voltage regulator provides 3.3V from the VBUS pin when powered from USB. This page synthesizes Microchip datasheet specifications, distributor pricing (LCSC from $1.4633 as of 2026-09-27), same-family drop-in alternatives, and practical PCB design guidance not consolidated on distributor product pages.

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PIC18F44J50T-I/PT

PIC18F44J50T-I/PT - 48MHz 8-bit USB MCU, 16KB Flash | Microchip

The Microchip Technology PIC18F44J50T-I/PT is an 8-bit PIC18J-series microcontroller featuring an integrated full-speed USB 2.0 transceiver, 16KB (8K x 16) of Flash program memory, and 4KB RAM, packaged in a 44-pin TQFP (10x10 mm). It operates at up to 48 MHz from a 2.0V to 3.6V supply, with -40C to +85C industrial temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC18F44J50 family belongs to the PIC18 8-bit architecture (Harvard RISC, modified instruction set), positioned under the broader PIC microcontroller umbrella and Microchip's megaAVR/XLP families. It targets cost-sensitive embedded designs where USB connectivity and ultra-low-power operation are both required. Key features include 36 digital I/O pins, a 10-bit ADC with up to 13 channels, two comparators, two USART modules, two MSSP (SPI/I2C) modules, and dedicated USB SIE hardware. The nanoWatt XLP technology provides deep-sleep current under 100 nA, enabling battery-powered USB peripherals that can wake on USB activity. The on-chip full-speed USB 2.0 controller eliminates external PHY, reducing BOM cost and PCB area versus discrete USB solutions. Architecture is a modified Harvard RISC core with a 16-bit instruction word and 8-bit data path, 32-level hardware stack, and configurable 8x8 multiplier. The peripheral set is mapped via the standard PIC18 SFR layout, supported by MPLAB X IDE and the free XC8 compiler. Internal PLL synthesizes 48 MHz from the 8 MHz internal oscillator for USB full-speed operation. Typical applications include USB Human Interface Devices (HID) such as keyboards, mice, and game controllers, USB-to-UART virtual COM port adapters, low-power sensor data loggers with USB charging, USB-based firmware bootloaders/programmers, and industrial data acquisition nodes. The combination of native USB, XLP deep sleep, and 36 I/O makes the part a frequent choice for compact, low-power USB peripherals. Designers should plan for a 3.3V-only supply (the J50 family is not 5V tolerant), use the internal 8 MHz oscillator to minimize BOM, and ensure VUSB 3.3V is decoupled with 1 uF + 100 nF per the reference design. Pin assignments in TQFP-44 are pin-compatible with PIC18F4550 family, simplifying migration from 5V to 3.3V designs. This page synthesizes distributor pricing, drop-in TQFP-44 alternatives, and practical design notes not found in the manufacturer datasheet, intended as an engineering reference.

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PIC18F44K20-E/MV

PIC18F44K20-E/MV - 8-bit PIC MCU, 16KB Flash, 40-pin UQFN | Microchip

The Microchip Technology PIC18F44K20-E/MV is an 8-bit PIC18 RISC microcontroller with 16KB of Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, packaged in a 40-pin UQFN with exposed pad. It operates from 2.5V to 3.3V (with 5V-tolerant I/O) at up to 48 MHz CPU clock and integrates Microchip's nanoWatt XLP extreme-low-power technology for battery-sensitive designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, peripherals, and I/O. PIC18 is Microchip's enhanced 8-bit architecture family featuring a RISC core, hardware multiplier, and C-friendly instruction set, positioned between baseline PIC10/12/16 parts and the 16-bit dsPIC/PIC24 families. The K-series variant adds XLP nanoWatt sleep modes and 1.8V-3.6V wide-range operation. Key features include 16KB Flash (100K erase/write cycles typical), 768-byte SRAM, 256-byte EEPROM, 36 I/O pins, 14-channel 10-bit ADC, two analog comparators, hardware UART/SPI/I2C, four 8-bit timers and one 16-bit timer, and 25 mA source/sink per I/O. Sleep current is typically under 100 nA with XLP enabled, and the ADC delivers 100K samples/sec. Architecturally, the device uses a 16-bit instruction word with an 8-bit data path, 31-level hardware stack, and an instruction-cycle time of 4 clocks (giving 48 MHz = 12 MIPS). The K-series enhanced PWM and nanoWatt XLP peripherals (RTCC, ultra-low-power watchdog, ultra-low-power wake-up) differentiate it from earlier PIC18F46K20 family members. Typical applications include battery-powered sensor nodes, consumer appliance control panels, USB/HID peripherals, low-cost motor control, and industrial sensor hubs. Designers select this part when wide operating voltage, low sleep current, and 8-bit simplicity are required simultaneously. Design consideration: the UQFN package exposes a thermal pad (EP) that must be soldered to a sufficient copper pour (>= 10 mm^2 recommended) for mechanical reliability and thermal dissipation above 50 mA load. This page consolidates distributor pricing, parametric drop-in alternatives, and practical PCB design notes not found in the manufacturer datasheet, enabling faster BOM decisions and second-source risk mitigation.

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PIC18F44K20-E/PT

PIC18F44K20-E/PT - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip PIC18F44K20-E/PT is an 8-bit PIC18 microcontroller IC from the nanoWatt XLP family, offering 16KB (8K x 16) of Flash program memory, 768 bytes of SRAM and 256 bytes of EEPROM in a 44-pin TQFP (10x10) package with a maximum clock speed of 64MHz (48MHz per Microchip product page). The "-E" suffix designates the extended (-40C to +125C) industrial operating temperature grade, and the "/PT" suffix denotes the TQFP-44 package option with tape-and-reel packaging. A PIC18 microcontroller is an 8-bit RISC MCU from Microchip's enhanced PIC18 architecture family. PIC18 MCUs sit at the intersection of high-performance 8-bit processing and ultra-low power operation, falling within the broader hierarchy of microcontroller -> embedded processor -> semiconductor IC. This family is widely used in cost-sensitive embedded designs that need deterministic real-time response, low sleep current, and rich peripheral integration. Key features of the PIC18F44K20-E/PT include 36 general-purpose digital I/O pins, 13 channels of 10-bit Analog-to-Digital Conversion (ADC), nanoWatt XLP extreme low-power technology, and a standard operating voltage range of 1.8V to 3.6V (low-power modes) with full-speed operation from 3.0V to 3.6V. The integrated nanoWatt XLP technology delivers sleep currents in the nanoampere range, making it suitable for battery-powered and energy-harvesting applications. The device uses an enhanced Harvard RISC architecture with a C-optimized instruction set, supporting up to 16 MIPS throughput at 64MHz. On-chip peripherals include multiple timers, ECCP (Enhanced Capture/Compare/PWM), MSSP (SPI/I2C), EUSART, comparators, and a 10-bit ADC, providing ample I/O and analog integration for sensor nodes, motor control, and human-interface designs. Typical applications include industrial sensor interfaces, home appliance control panels, low-power remote controls, battery-powered IoT nodes, automotive interior body controllers (non-safety), and portable consumer electronics. The wide operating temperature range also enables use in outdoor and harsh-environment industrial equipment. When designing with this MCU, ensure the supply voltage aligns with the chosen frequency - Microchip specifies minimum 1.8V at 16MHz and 2.0V at 20MHz for low-power modes, with full 64MHz operation requiring 3.0V to 3.6V. Decoupling should follow Microchip's reference design guidance, with 100nF capacitors placed close to each VDD/VSS pair. This page consolidates distributor pricing, drop-in alternative MPNs from the same PIC18F family, and practical engineering design notes that extend beyond the manufacturer datasheet.

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PIC18F44K20-I/PT

PIC18F44K20-I/PT - 16KB Flash 8-bit 64MHz MCU | Microchip

The Microchip Technology PIC18F44K20-I/PT is an 8-bit PIC18 family CMOS flash microcontroller built on Microchip's nanoWatt XLP extreme-low-power technology, delivering 16 MIPS performance at 64 MHz clock speed from a 16 KB (8K x 16) Flash program memory in a 44-pin TQFP (10x10 mm) surface-mount package. Key headline parameters: 16 KB Flash, 768 B RAM, 36 general-purpose I/O pins, 64 MHz max CPU clock (16 MIPS), 4.2 V to 5.5 V supply voltage, and 10-bit ADC. The "-I" suffix denotes the industrial temperature range -40 C to +85 C, while "/PT" denotes the 44-pin TQFP package. What is an 8-bit flash microcontroller? An 8-bit flash microcontroller is a small single-chip computer with an 8-bit data path, on-chip Flash program memory that can be reprogrammed in-circuit, RAM, and integrated peripherals such as ADC, timers, and communication interfaces. The PIC18F44K20 belongs to the hypernym hierarchy microcontroller -> MCU -> embedded microcontroller -> 8-bit microcontroller -> PIC18 family -> PIC18F4xK20 sub-family -> semiconductor. Key differentiating features include Microchip's nanoWatt XLP power management with sleep currents below 100 nA typical, 16 KB of self-programmable Flash with 100K erase/write cycles endurance, 10-bit ADC with up to 14 channels (varying by pin count), and a wide operating voltage range of 1.8 V to 5.5 V (when extended low-voltage operation is enabled) versus the typical 4.2 V to 5.5 V. The 44-pin TQFP package offers 36 GPIO for parallel sensor or keypad interfacing, while the smaller 28- and 40-pin variants share the same register set. The PIC18F44K20 uses an enhanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, allowing single-cycle execution except for branched instructions. Hardware multipliers and a hardware 8x8 multiply engine support efficient math, while peripheral pin select (PPS) is not present on this family (PPS appears in newer K40 and K42 parts). Typical applications include industrial sensor nodes, low-power battery-powered remote controls, home appliances, motor control signal conditioning, USB/HID bridges via the PIC18 USB stack, and consumer white goods. The 36 GPIO on the 44-pin TQFP variant suits key-matrix scanning or multi-segment LED driving. When designing with the PIC18F44K20, verify that the supply voltage covers the analog reference range if using the 10-bit ADC; an LDO such as Microchip MCP1700 is a typical companion. For production programming, MPLAB X IDE and the MPLAB PICkit 4 or ICD 4 are recommended. This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes that extend beyond the manufacturer datasheet.

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PIC18F44K20T-I/ML

PIC18F44K20T-I/ML - 8-Bit 64MHz MCU 16KB Flash 44-QFN | Microchip

Microchip Technology PIC18F44K20T-I/ML is an 8-bit PIC18 RISC microcontroller with 64 MHz CPU core, 16 KB (8K x 16) Flash program memory, 768 bytes of SRAM, and 256 bytes of Data EEPROM, housed in a 44-pin QFN (8x8 mm) package with exposed thermal pad. It provides 36 digital I/O lines, 6 timers, 2 PWM channels, 2 comparators, a 10-bit ADC, plus EUSART and MSSP (I2C/SPI) connectivity. The part operates from 1.8 V to 3.6 V (low-voltage XLP nanoWatt mode) or 2.5 V/3.3 V (extended) and is qualified for the -40C to +85C industrial temperature range. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals around an 8-bit data path. Within the broader semiconductor taxonomy, an 8-bit MCU belongs to the microcontroller family, which itself sits under microcontrollers and processors in the integrated circuit hierarchy. The PIC18 architecture uses a modified Harvard RISC core with 16-bit instructions, delivering up to 16 MIPS at 64 MHz - roughly 4x the throughput of legacy PIC16 parts while retaining the familiar instruction set. This combination of deterministic execution, rich peripherals, and nanoWatt XLP sleep modes makes the PIC18F44K20 a workhorse for low-power embedded designs. Key features include hardware multipliers, a 10-bit ADC with up to 28 input channels, dual analog comparators with programmable reference, and a charge time measurement unit (CTMU) for capacitive touch. The MSSP module supports both SPI and I2C (master/slave), while the enhanced USART supports RS-232, RS-485 and IrDA. Internal oscillator modes eliminate external crystals in cost-sensitive designs. The PIC18F44K20 family targets battery-powered and energy-harvesting applications thanks to nanoWatt XLP technology. Typical standby currents below 100 nA and multiple low-power sleep modes with peripheral wake-up sources enable multi-year battery life on a single coin cell. The 256-byte EEPROM and high-endurance Flash (100K erase/write cycles) support field-updatable firmware. Typical applications include low-power wireless sensor nodes, home automation controllers, HVAC thermostat controls, portable medical monitors, and automotive body electronics. Designers select this part when they need a balance of code space (16 KB), low quiescent current, and a compact 44-pin QFN footprint with 36 GPIO lines for moderate I/O density. When designing with the PIC18F44K20T-I/ML, place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD/VSS pair, follow Microchip AN1187 for in-circuit serial programming (ICSP) layout, and use MPLAB X IDE with XC8 compiler for firmware development. Note that the QFN package requires thermal vias under the exposed pad to the ground plane for reliable 1 A GPIO sink performance. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and engineering teams shorten evaluation cycles.

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PIC18F44K20T-I/MV

PIC18F44K20T-I/MV - 8-bit 16KB Flash MCU 64MHz UQFN-40 | Microchip

The Microchip Technology PIC18F44K20T-I/MV is an 8-bit PIC18 RISC microcontroller with 16 KB Flash program memory, 768 bytes of SRAM, and 256 bytes of data EEPROM, operating up to 64 MHz in a 40-pin UQFN (MV) exposed-pad package with Tape & Reel packaging. It integrates nanoWatt XLP ultra-low-power technology, an internal oscillator, 35 digital I/O pins, and rich peripheral set including multiple timers, enhanced USART, MSSP (SPI/I2C), ADC, comparators and CTMU. An 8-bit PIC microcontroller (MCU) is a Harvard-architecture microcontroller based on an enhanced RISC instruction set. PIC18 is the high-end 8-bit family from Microchip, positioned above PIC10/12/16 in code size and peripheral richness. Within the embedded system hierarchy, PIC MCUs sit under: PIC18 family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. They are commonly used in cost-sensitive applications that require deterministic real-time control and low power consumption. Key features include 16 KB Flash (8K x 16 words), 768-byte data RAM, 256-byte EEPROM, 35 I/O, internal RC oscillator selectable from 31 kHz to 16 MHz, 10-bit ADC with up to 14 channels, two analog comparators, Charge Time Measurement Unit (CTMU), and three 16-bit timers. The nanoWatt XLP technology enables sleep currents down to the nanoampere range and active currents in the microampere range, which is critical for battery-powered designs. The MV suffix designates the 40-pin UQFN (5x5 mm) package with an exposed thermal pad. Architecturally, the device uses an enhanced PIC18 Harvard core with a hardware multiplier and a 16-bit instruction word, delivering up to 16 MIPS at 64 MHz. Wide operating voltage (1.8 V to 3.6 V typical, with extended 1.8 V - 5.5 V variant for K-series parts) and flexible oscillator options (internal 16 MHz / 31 kHz / PLL) allow operation from a single Li-Ion cell or 2x AA cells. The integrated CTMU enables capacitive touch sensing without external components. Typical applications include battery-powered IoT sensor nodes, consumer electronics remote controls, low-power metering, capacitive touch keypads, USB HID peripherals (when paired with a USB transceiver), and industrial control modules where deterministic 8-bit performance is sufficient. Designers should match the MV (UQFN-40) land pattern exactly when substituting to maintain pinout compatibility. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18F family, and practical design notes not found on the manufacturer overview page.

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PIC18F44K20T-I/PT

PIC18F44K20T-I/PT - 8-bit 64MHz 16KB Flash MCU 44-TQFP

The Microchip Technology PIC18F44K20T-I/PT is an 8-bit PIC18 RISC microcontroller with 16KB (8K x 16) of Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, running at up to 64 MHz (16 MIPS) in a 44-pin TQFP (10x10 mm) package. It operates from 1.8V to 3.6V (with extended 1.8V-5.5V range) and provides 36 digital I/O pins, a 10-bit ADC with up to 14 channels, and nanoWatt XLP extreme low-power technology for battery-friendly designs. The "T" suffix denotes tape-and-reel packaging, while "I" indicates the industrial -40C to +85C operating temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals on one silicon die. Within the broader embedded taxonomy, the PIC18F44K20 sits in the 8-bit MCU class, which competes with 16-bit and 32-bit MCUs for cost- and power-sensitive applications. Microchip's enhanced PIC18 core combines a 16-bit instruction word with 8-bit data paths, achieving up to 16 MIPS throughput while retaining the deterministic interrupt model that makes PIC MCUs popular in real-time control. Key features include 16 KB Flash with self-programmability, 768 B SRAM, 256 B EEPROM, two USART modules, one MSSP (SPI/I2C), two CCP modules, and an enhanced 10-bit ADC with up to 14 channels. The nanoWatt XLP technology delivers typical sleep currents below 100 nA, and multiple low-power modes (Run, Idle, Sleep, and Deep Sleep with RTCC) allow designers to extend battery life in standby-heavy applications. Hardware multipliers and C-friendly instruction set extensions ease code density for embedded C compilers. The PIC18F44K20 uses Microchip's enhanced Harvard architecture with a 16-bit program path and an 8-bit data path, allowing single-cycle execution of most instructions. An internal 16 MHz oscillator and 4x PLL support 64 MHz operation without external crystals; combined with the 31 kHz low-power internal oscillator for low-power Run mode, this provides designers flexible clocking without external components. Typical applications include industrial sensor nodes, low-power remote controls, battery-powered instrumentation, automotive body controllers, consumer appliances, and USB-to-UART bridges (using the MSSP and USART peripherals). The 36 I/O count comfortably drives matrix keypads, character LCDs, and small graphic OLEDs while leaving pins for analog sensors and serial connectivity. When designing with this MCU, reserve one timer for the RTCC (with external 32.768 kHz crystal) if you need a real-time clock, and allocate the MSSP channel carefully between SPI and I2C peripherals. The 44-pin TQFP footprint matches the PIC18F45K20, PIC18F46K20, PIC18F44J50, and PIC18F43K20 families, enabling straightforward upgrades along the memory/peripheral ladder. Pricing is approximately $5.45 at qty-1 as of 2026-09-27 per DigiKey/Mouser listings. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F44K22-E/ML

PIC18F44K22-E/ML - 8-bit MCU, 16KB Flash, 44-QFN | Microchip

The Microchip Technology PIC18F44K22-E/ML is an 8-bit PIC18 microcontroller built on the enhanced RISC architecture, offering up to 48 MHz operation with 16KB Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM. It is housed in a 44-pin QFN (8x8 mm) surface-mount package with an exposed pad for enhanced thermal dissipation. The 'E' suffix indicates the Extended (automotive-grade) temperature range of -40C to +125C, while the 'ML' suffix indicates the QFN package variant. A microcontroller (MCU) is a single-chip computer containing a CPU, volatile and non-volatile memory, programmable I/O, and on-chip peripherals. The PIC18F family is Microchip's mainstream 8-bit line, positioned between the lower-end PIC16F and the more highly integrated PIC24/dsPIC families. It targets cost-sensitive embedded control, sensor interfacing, and human-machine interface (HMI) applications. The PIC18F44K22 specifically belongs to the 'K22' sub-family that adds nanoWatt XLP extreme-low-power technology, integrated capacitive touch (mTouch) peripherals, and automotive AEC-Q100 qualification, making it suitable for AEC-Q100 applications. Key features include 36 I/O pins arranged across 5 ports (PORTA-PORTE), a 10-bit ADC with up to 28 channels, two analog comparators, three enhanced USART modules, two I2C/SPI capable MSSP modules, and two 8-bit timers combined with three 16-bit timers. The nanoWatt XLP technology delivers extremely low sleep currents suitable for battery-powered applications. The 44-QFN package with exposed pad provides a compact 8x8 mm footprint while maintaining excellent thermal performance. Typical applications include HVAC fan controllers, automotive body and interior modules, white goods and small appliances, USB device controllers using the integrated USB 2.0 full-speed peripheral, and general purpose sensor/actuator nodes. The wide operating voltage range of 1.8V to 5.5V (with 4.2V-5.5V for the variant specified) allows direct connection to 5V sensors and 3.3V digital logic. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not typically consolidated in the manufacturer datasheet.

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PIC18F44K22-E/P

PIC18F44K22-E/P - 8-bit 48MHz MCU, 16KB Flash, 40-PDIP | Microchip

The Microchip Technology PIC18F44K22-E/P is an 8-bit PIC18 XLP microcontroller running up to 48MHz, equipped with 16KB Flash program memory (8K x 16), 768 bytes RAM, and 256 bytes EEPROM, housed in a 40-pin PDIP through-hole package. It supports an operating voltage range of 4.2V to 5.5V and features 36 digital I/O pins with nanoWatt XLP extreme-low-power technology for battery-friendly designs. An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control tasks with an 8-bit data path, on-chip Flash, RAM, peripherals, and a CPU core in one package. The PIC18F family belongs to the broader PIC® microcontroller hierarchy (PIC10/12/16 -> PIC18 -> PIC24/dsPIC) within Microchip's 8-/16-bit MCU portfolio and is widely used in motor control, sensor interfacing, and human-machine interface subsystems. The XLP (eXtreme Low Power) family adds nanoWatt sleep modes that draw sub-microamp currents, extending battery life in always-on applications. Key features of the PIC18F44K22 include integrated peripherals: a 10-bit ADC with up to 28 channels, multiple Enhanced USART, MSSP (SPI/I2C), PWM modules, comparators, and CTMU charge-time measurement. The device supports self-programming, dual watchdogs, and a wide industrial temperature grade, all while running on the familiar PIC18 instruction set. The 64 MHz internal oscillator and 4x PLL allow flexible clocking options without external crystals. Architecturally, the PIC18F44K22 uses an enhanced Harvard RISC core with a hardware multiplier and 16-bit instructions, achieving 8 MIPS at 48 MHz while maintaining code compatibility with the PIC18 family. The internal voltage regulator and wide Vdd tolerance simplify 5V system design, and the nanoWatt XLP modes (sleep, deep sleep, RTCC from LPRC) enable 100 nA-class standby currents ideal for battery-powered sensor nodes. Typical applications include industrial control panels, home appliances, low-power IoT sensor nodes, automotive body electronics, USB device peripherals, and general-purpose embedded control. The 36 I/O lines and rich peripheral set also make it suitable for human-interface boards with LCDs, keypads, and rotary encoders. Design tip: place a 100 nF decoupling capacitor close to each Vdd/Vss pair and a 10 µF bulk capacitor on the main supply rail. Verify the MCLR pin is pulled high through a 10 kΩ resistor for reliable reset, and reserve a 4.7 kΩ I2C pull-up pair if you plan to use the MSSP peripheral. This page synthesizes distributor pricing, drop-in alternatives, and practical engineering guidance that complements - but does not replace - the manufacturer datasheet.

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PIC18F44K22-I/ML

PIC18F44K22-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-44 | Microchip

The Microchip Technology PIC18F44K22-I/ML is a high-performance 8-bit PIC18 microcontroller with nanoWatt XLP extreme-low-power technology, integrating 16 KB Flash, 768 B SRAM and 256 B EEPROM in a 44-pin QFN-EP package with 64 MHz maximum clock speed. A PIC (Peripheral Interface Controller) microcontroller is a compact programmable processor that combines CPU, non-volatile program memory, working RAM, data EEPROM, and configurable peripherals on a single CMOS die. The PIC18 family uses an enhanced 8-bit RISC architecture with a 16-bit instruction word, while PIC18F 'K' series devices add the nanoWatt XLP energy-management extensions that allow peripheral clocks, oscillators and core logic to be turned off individually, dropping active current to the microampere range. The PIC18K22 sits in the mid-density flash tier, sharing a common peripheral set (10-bit ADC, comparators, PWM, mTouch capacitive sensing) with its sibling PIC18F46K22 / PIC18F45K22 parts that simply scale memory and pin count upward. Key specifications include 16 KB self-programmable Flash program memory, 768 B SRAM and 256 B EEPROM, 36 digital I/O pins multiplexed with peripheral functions, a 10-bit ADC with up to 28 input channels, two rail-to-rail analog comparators with programmable on-chip voltage reference, two CCP/ECCP/PWM modules and four 8/16-bit timer/counters. The nanoWatt XLP feature set delivers typical sleep currents under 100 nA with retention and a real-time-clock calendar mode from 32 kHz crystals. Operating voltage spans 1.8 V to 5.5 V (2.3 V minimum for full 64 MHz MIPS performance), suitable for both 3.3 V and 5 V rails. Typical applications span battery-powered sensor nodes, low-power IoT edge devices, USB-less human-interface panels, capacitive-touch button or slider front panels, small motor-control loops and 5 V industrial instrumentation. The wide VDD range and QFN-44 small footprint make it a flexible upgrade path for designs that previously used the older PIC18F4420 or PIC18F44J11 devices. Designers should review the Microchip PIC18F44K22 datasheet for the HFINTOSC, FVR, PLVD and mTouch peripheral programming models. Drop-in migration to PIC18F45K22 (32 KB Flash) and PIC18F46K22 (64 KB Flash) within the same QFN-44 package is supported, enabling memory scaling without PCB changes. This page consolidates distributor pricing, verified drop-in alternatives and pin-specific design notes drawn from manufacturer documentation, providing context that is not present in the standalone datasheet.

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PIC18F44K22-I/MV

PIC18F44K22-I/MV - 16KB Flash 8-bit MCU | Microchip

The Microchip Technology PIC18F44K22-I/MV is an 8-bit PIC18 microcontroller from the nanoWatt XLP family, offering 16 KB of Flash program memory and 768 bytes of RAM in a 40-pin UQFN (5x5 mm) package. It supports clock speeds up to 64 MHz from an internal oscillator, integrates a 10-bit ADC with up to 28 channels, two enhanced USART modules, two MSSP (SPI/I2C) peripherals, and Microchip's nanoWatt eXtreme Low-Power technology for battery-sensitive designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control with modest memory and pin counts. PIC18F-series parts sit at the upper end of Microchip's 8-bit portfolio, combining C-friendly Harvard architecture, hardware multiplier, and rich peripheral integration. Within the broader taxonomy, the PIC18F44K22 belongs to the microcontroller category of integrated circuits, serving embedded control applications ranging from consumer appliances to industrial sensor hubs. Key features include a wide 2.3V to 5.5V supply range (functional down to 1.8V with internal regulator), an integrated 16 MHz to 64 MHz HFINTOSC with PLL, 36 digital I/O pins, and ultra-low-power sleep currents in the nanoampere range. The K22 series adds CTMU charge-time measurement, multiple PWM channels, and enhanced capture/compare peripherals for motor and lighting control. Architecturally, the device combines a RISC core with a hardware 8x8 multiplier, enabling efficient C code execution, and provides 256-byte data EEPROM for non-volatile parameter storage. The 32-level hardware stack and 31 interrupt sources make it well-suited to multi-tasking control loops. On-chip debugging is supported via two dedicated ICSP pins, allowing MPLAB X IDE integration without additional emulator hardware. Typical applications include low-power sensor nodes, IoT edge devices, white-goods motor control, LED lighting controllers, and industrial instrumentation requiring extended battery life. The compact UQFN-40 footprint also supports space-constrained wearables and handheld products. When designing with this part, select decoupling capacitors close to VDD/AVDD pins and route the 48 MHz HFINTOSC trace away from analog ADC inputs to minimize coupling. Use the internal regulator mode to reduce external components, and verify the UQFN thermal pad is soldered to a sufficient copper pour for reliable operation at high toggle rates. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving procurement and design engineers a single reference for evaluating the PIC18F44K22-I/MV against direct substitutes in the PIC18F family.

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PIC18F44K22-I/P

PIC18F44K22-I/P - 8-bit 64MHz XLP MCU 16KB Flash 40-PDIP | Microchip

The Microchip Technology PIC18F44K22-I/P is an 8-bit microcontroller from the PIC18F "K22" family with nanoWatt XLP extreme-low-power technology, 16KB of Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP (0.600") through-hole package. According to the Microchip datasheet, it executes instructions at up to 64 MHz (16 MIPS) from a 2.3V-5.5V supply and exposes 36 digital I/O pins plus a 28-channel 10-bit ADC. The device is in production status on Microchip's product page, with newer-generation parts such as the PIC18F45Q10 noted as the recommended migration target. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU built around a RISC core with hardware accumulator, hardware multiply, and a peripheral set optimized for low-power mixed-signal embedded designs. PIC18 sits at the top of Microchip's 8-bit PIC portfolio and shares a common instruction set across 28/40/44-pin packages, enabling firmware portability within the family. Within the power-management IC hierarchy it belongs to the broader "microcontroller -> MCU -> embedded controller -> semiconductor" taxonomy. Key features include 16KB self-programmable Flash, hardware CCP/ECCP modules, multiple Enhanced USART, SPI, I2C interfaces, a 10-bit ADC with up to 28 input channels, mTouch capacitive touch peripherals, nanoWatt XLP sleep currents as low as 20 nA, and 5 CCP PWM channels for motor and lighting control. The -I/P suffix denotes the industrial temperature grade (-40C to +85C) and PDIP-40 package. The architecture combines an 8-bit data path with a 16-bit instruction word, an 8-level hardware stack, and C-optimized architecture, which simplifies compiler output while preserving deterministic interrupt response. The peripheral set (ADC, comparators, CTMU, mTouch, EUSART, MSSP, ECCP) supports sensing, communication, and actuation without external logic. Typical applications include low-power sensor nodes, home-automation appliances, industrial control panels, capacitive touch user interfaces, motor control, and USB/serial bridging in cost-sensitive embedded designs. When designing with this MCU, leave headroom on Vdd for ADC accuracy and add a 100 nF decoupling cap adjacent to every supply pin. For firmware migration to newer families, validate the SFR map because newer Q-series parts reorganize peripheral registers.

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PIC18F44K22T-I/ML

PIC18F44K22T-I/ML - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F44K22T-I/ML is an 8-bit PIC18 enhanced microcontroller in the nanoWatt XLP family, offering 16KB of Flash program memory, 64 MHz maximum CPU clock, and 36 general-purpose I/O in a 44-pin QFN (ML) 8x8 mm package with exposed pad. It is supplied in tape-and-reel packaging (suffix T), with an industrial operating temperature range of -40C to +85C, and operates across 2.5V/3.3V/5V supply rails with a 1.8V-5.5V extended voltage range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on a single silicon die. The PIC18 family implements an enhanced 8-bit RISC architecture with 200 ns instruction execution (up to 16 MIPS at 64 MHz), targeting high-performance yet power-sensitive embedded designs. Within the broader taxonomy, PIC18F44K22 belongs to the 8-bit MCU category, which sits below 16-bit dsPIC and 32-bit ARM Cortex-M devices in both complexity and per-unit cost. It is one of three pin-compatible variants (40-pin, 44-pin, and 28-pin) sharing the same K22 peripheral family and codebase. Key features include nanoWatt XLP extreme-low-power technology with sleep currents down to ~20 nA, a 10-bit ADC with up to 28 channels, two Enhanced USART modules, two MSSP (SPI/I2C) ports, a 5-bit DAC, three ECCP and two CCP modules, two comparators, and a hardware RTCC. The integrated 16 MHz internal oscillator is factory calibrated to +/-1 percent, eliminating the need for an external crystal in many cost-sensitive designs. The architecture combines a 16-bit instruction word with an 8-bit data path, using a hardware multiplier for 8x8 unsigned operations in a single cycle and supporting C-compiler-friendly memory models. Internal self-programmability allows bootloader-based field upgrades, while the ICD/ICSP interface supports in-circuit debugging via tools such as MPLAB PICkit 5. Typical applications include low-power sensor nodes, AEC-Q100 automotive subsystems, industrial control (HMI, motor drive interfaces), consumer white goods, USB/serial bridge firmware, and battery-powered instrumentation. The QFN-44 footprint suits compact layouts where thermal performance matters. Design tip: leverage the nanoWatt XLP idle/sleep modes and run the CPU from the 16 MHz internal oscillator at 1 MHz during idle periods to extend battery life. Always tie the exposed pad of the QFN to a clean GND plane with multiple thermal vias for EMC and thermal performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing engineers with a single source for sourcing, comparison, and design-in decisions for the PIC18F44K22T-I/ML.

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PIC18F44K20-I/PT - 16KB Flash 8-bit 64MHz MCU | Microchip

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PIC18F44K22-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-44 | Microchip

PIC18F44K22-I/MV - 16KB Flash 8-bit MCU | Microchip

PIC18F44K22-I/P - 8-bit 64MHz XLP MCU 16KB Flash 40-PDIP | Microchip

PIC18F44K22T-I/ML - 8-bit 64MHz 16KB Flash MCU | Microchip