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PIC18F46K40T-E/MVVAO - 64KB Flash 8-bit MCU w/ XLP | Microchip
PIC18F46K40T-E/MVVAO

PIC18F46K40T-E/MVVAO - 64KB Flash 8-bit MCU w/ XLP | Microchip

The Microchip PIC18F46K40T-E/MVVAO is an 8-bit low-power high-performance microcontroller (MCU) from the PIC18(L)F26/45/46K40 family, integrating 64 KB of Flash program memory, 4 KB of SRAM, and 1 KB of EEPROM in a 40-pin UQFN (MV) surface-mount package. It operates from 2.3 V to 5.5 V and runs up to 64 MHz internal clock, with AEC-Q100 automotive qualification supporting -40C to +125C extended operating temperature. What is an 8-bit MCU? An 8-bit microcontroller is a single-chip computer that processes data in 8-bit words and integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), small EEPROM, and a rich set of peripherals (ADC, timers, PWM, communication interfaces). PIC18-family MCUs sit above PIC16/PIC10 in Microchip's 8-bit hierarchy and offer enhanced instruction sets, larger memory, and Core Independent Peripherals (CIPs) that offload tasks from the CPU, allowing designers to add functionality without increasing clock speed or power. Key differentiating features of this part include the XLP (eXtreme Low Power) technology with sub-uA sleep currents, a 10-bit ADC2 with computation (ADC2), a 5-bit DAC, comparators, PWM, CWG (Complementary Waveform Generator), HLT (Hardware Limit Timer), WWDT (Windowed Watchdog Timer), and CRC/SCAN memory integrity checking. Together these CIPs enable sensor interfacing, motor control, and safety-critical loops without CPU intervention. The PIC18F46K40T-E/MVVAO uses the enhanced mid-range PIC18 core with 83 instructions and 31-level deep hardware stack. Connectivity options include I2C, SPI, UART/USART, and LINbus, while timers support capture/compare/PWM with up to 14-bit resolution. The 40-pin UQFN (MV) package is the smallest footprint option in the family and supports AEC-Q100 Grade 1 (-40C to +125C) for automotive ECUs and industrial sensor nodes. Typical applications include automotive body and sensor modules, low-power IoT sensor nodes, BLDC motor control subsystems, HVAC control boards, lighting controllers, and small white-goods user interfaces. The combination of XLP sleep currents and CIP analog peripherals makes it well-suited for battery-powered or energy-harvesting products that must wake, sample, transmit, and return to deep sleep without CPU load. Design tip: route AVSS and VSS analog/digital grounds to a single point star-ground at the UQFN thermal pad, and place the two VDD pins' decoupling capacitors within 2 mm of each pin to meet the ADC2 noise floor requirement. The thermal pad must be soldered to a continuous ground pour for thermal dissipation and pin-1 orientation stability. This page synthesizes XAIPART distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-28.

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PIC18F46K40T-I/ML - 64KB Flash 8-bit MCU, 64MHz, 44-VQFN | Microchip
PIC18F46K40T-I/ML

PIC18F46K40T-I/ML - 64KB Flash 8-bit MCU, 64MHz, 44-VQFN | Microchip

The Microchip Technology PIC18F46K40T-I/ML is an 8-bit PIC18 RISC microcontroller with 64KB Flash, 4KB RAM, and 256B EEPROM, operating at up to 64MHz in a 44-pin VQFN (ML) exposed-pad package. It integrates a 10-bit ADC with 35 channels, a 5-bit DAC, comparators, PWM/CCP/CWG, WWDT, CRC/SCAN, ZCD, PPS, EUSART, and SPI/I2C, while supporting 2.5V/3.3V/5V wide-voltage operation with XLP (eXtreme Low Power) technology. What is an 8-bit PIC microcontroller? An 8-bit PIC microcontroller is a Harvard-architecture RISC processor with 8-bit data paths, widely used in embedded systems for general-purpose control. It belongs to the broader category of microcontrollers -> microcontrollers with integrated peripherals -> low-power MCUs with rich analog and digital IP. PIC18F-series parts sit between the smaller PIC16F and the 16-bit dsPIC families, balancing code density, peripheral count, and ultra-low-power sleep currents. Key features of the PIC18F46K40T-I/ML include Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect, and Peripheral Pin Select, which reduce CPU load and BOM cost. The device combines large memory (64KB Flash / 4KB RAM / 256B EEPROM) with 35 ADC channels, enabling high-mix sensor interfaces. XLP technology and a wide 2.5V-5V VDD range make it ideal for battery-powered and industrial nodes. The architecture uses an enhanced mid-range PIC18 core with a modified Harvard bus, hardware multiplier, and 16-bit instruction word. CIPs execute autonomously, freeing the CPU for application logic and reducing interrupt overhead. The 64MHz internal oscillator (16 MIPS) provides deterministic performance with no external crystal in many designs. Typical applications include consumer appliances, IoT sensor nodes, industrial control, automotive body electronics, low-power wireless HMI, and battery-powered instruments. The combination of 64KB Flash, 35 ADC channels, and 5V tolerance also suits sensor-conditioning front ends. When designing with this part, reserve the exposed pad (EP) for thermal and electrical grounding. Decouple VDD with a 1uF plus 100nF pair near each supply pin, and follow Microchip AN1606 and AN2510 layout guidelines for the 44-VQFN to minimize noise coupling into the ADC. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.

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PIC18F46K40T-I/PT - 64KB Flash 8-bit MCU 64MHz | Microchip
PIC18F46K40T-I/PT

PIC18F46K40T-I/PT - 64KB Flash 8-bit MCU 64MHz | Microchip

The Microchip Technology PIC18F46K40T-I/PT is an 8-bit PIC18 XLP microcontroller featuring 64KB Flash, 3728 bytes RAM, and 256 bytes EEPROM, executing instructions at up to 64 MHz from a 1.8 V to 5.5 V supply in a 44-pin TQFP (10x10 mm) package. Core Independent Peripherals include a Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Zero-Cross Detect, Hardware CVD, and Peripheral Pin Select, with a 10-bit ADC2 (up to 35 channels), a 5-bit DAC, multiple comparators, CCP, and PWM modules. The -I/PT suffix denotes the industrial temperature grade (-40C to +85C) and tape-and-reel packaging. A microcontroller (MCU) is an integrated circuit containing a CPU core, program and data memory, and programmable peripherals that interface with external hardware. The PIC18 family is built on an enhanced 8-bit Harvard RISC architecture that executes one instruction per clock cycle (excluding branches), achieving throughput close to 16 MIPS at 64 MHz. Within the broader taxonomy, the PIC18F46K40 belongs to the 8-bit microcontroller class -> PIC family -> general-purpose MCU -> embedded controller, and is positioned in Microchip's XLP (eXtra Low Power) lineup that emphasizes low sleep current for battery-powered systems. Key differentiating features of the PIC18F46K40 include 64 KB self-programmable Flash with device Information Area, 10-bit ADC2 capable of up to 35 analog channels, multiple Zero-Cross Detect inputs for TRIAC control, a 5-bit DAC with multiple reference options, and 36 digital I/O pins. The integrated Peripheral Pin Select (PPS) remapping provides exceptional flexibility by allowing most digital peripherals to be routed to multiple pins, simplifying PCB layout and reducing design iterations. The PIC18F46K40 uses an enhanced mid-range PIC18 core with hardware multiplier and 16-bit instructions for C-friendly code density. Four flexible timer modules (10-bit/16-bit with PWM), dual I2C/SPI, dual UART with LIN support, and a 5-bit DAC give it strong analog and digital peripheral density. The 64 MHz operation from 3.3 V or 5 V makes it compatible with both modern low-voltage and legacy 5 V system designs, while XLP technology enables sleep currents below 50 nA typical. Typical applications include industrial control and sensor nodes, low-power IoT edge devices, white goods and home appliances, automotive body and HVAC subsystems (with -E grade), and consumer electronics with user interfaces. The wide operating voltage and rich peripheral set suit battery-powered metering, motor control loops, and lighting control. Combined with the Core Independent Peripherals, the device can implement complex timing and state-machine functions in hardware without CPU intervention, freeing the core for application logic and communications. Designers should evaluate PIC18F46K40 vs newer PIC18-Q43 or PIC18-K42 families when migration is possible, because those families add more CIPs and modern peripherals; the PIC18F46K40 remains preferred where its specific peripheral mix and 5 V tolerance matter. The TQFP-44 footprint is shared across the K40, K42, and Q43 families, allowing PCB reuse with code recompilation and minor firmware adjustments. This page synthesizes distributor pricing, drop-in alternatives in the same TQFP-44 footprint, and practical design notes not collected in the manufacturer datasheet - giving engineers a single source for selection, sourcing, and BOM risk reduction.

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PIC18F46K42-E/ML - 8-Bit 64MHz MCU 64KB Flash 44-QFN | Microchip
PIC18F46K42-E/ML

PIC18F46K42-E/ML - 8-Bit 64MHz MCU 64KB Flash 44-QFN | Microchip

The Microchip PIC18F46K42-E/ML is an 8-bit PIC microcontroller from the PIC18FxxK42 family, featuring a 64 MHz internal oscillator, 64 KB (32K x 16) of Flash program memory, and a 44-pin QFN (8x8 mm) package with exposed pad. It belongs to Microchip's eXtreme Low-Power (XLP) family and operates from 2.3V to 5.5V, supporting both 3.3V and 5V system rails. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data bus that executes instructions on 8-bit operands; it sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor. The PIC18FxxK42 family integrates a rich set of core independent peripherals (CIPs), intelligent analog peripherals, and large Flash/RAM/EEPROM memories, designed to offload the CPU and reduce firmware complexity in 28-, 40-, and 48-pin variants. Key features include 12-bit ADC with Computation (ADC2) supporting up to 35 external channels, hardware Capacitive Voltage Divider (CVD) for touch sensing, 5-bit DAC and comparators, multiple UART/SPI/I2C interfaces, and configurable logic cells. The device integrates 4 KB RAM and 1 KB EEPROM, enabling data logging and nonvolatile parameter storage without external memory. The "E" suffix denotes the -40C to +125C extended temperature grade. Architecture-wise, the PIC18F46K42 uses an enhanced Harvard RISC core with 16-bit instructions and a hardware multiplier, delivering up to 16 MIPS at 64 MHz. Core Independent Peripherals such as CLC, NCO, and PWM run without CPU intervention, allowing deterministic response in motor control and power-conversion loops. The integrated charge pump extends ADC operation down to 1.8V. Typical applications include industrial IoT sensor nodes, capacitive touch user interfaces, low-power battery-powered instrumentation, home appliances, LED lighting controllers, and automotive body modules (the -I/ML industrial grade sibling). The 44-QFN exposed pad provides low thermal resistance and a compact footprint for space-constrained designs. When designing with this part, ensure the exposed pad is soldered to a sufficient copper pour for thermal dissipation and signal ground continuity. Use Microchip's MPLAB X IDE and XC8 compiler for firmware development; the PIC18F46K42 is supported by the MPLAB Code Configurator (MCC) plug-in. This page synthesizes distributor pricing, drop-in alternatives within the PIC18F46K42 family, and practical design notes not found in the manufacturer datasheet, providing actionable information for hardware engineers and procurement teams.

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PIC18F46K42-E/P - 64KB Flash 8-Bit MCU | Microchip 40-PDIP
PIC18F46K42-E/P

PIC18F46K42-E/P - 64KB Flash 8-Bit MCU | Microchip 40-PDIP

The Microchip Technology PIC18F46K42-E/P is a high-performance 8-bit PIC microcontroller from the PIC18(L)FxxK42 family, featuring 64 KB of Flash program memory, 4 KB of RAM, and 1 KB of EEPROM in a 40-pin PDIP through-hole package. The device integrates a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two comparators, a Complementary Waveform Generator (CWG), multiple PWM modules, DMA, vector interrupts, and Microchip's Core Independent Peripherals (CIPs) that offload tasks from the CPU. It operates at up to 64 MHz clock speed across a 2.3V to 5.5V supply range and is qualified for the -40C to +125C extended industrial temperature range. Key differentiating features include the on-chip Peripheral Pin Select (PPS) for flexible signal routing, an intelligent analog pipeline with auto-acquisition ADC, and Microchip's eXtreme Low Power (XLP) technology for battery-friendly operation. The "K42" family is positioned as an upgrade to older PIC18F "K22" and "K40" devices, providing a richer CIP set without raising cost or power consumption. According to the Microchip datasheet, the device supports up to 36 digital I/O pins depending on package, and includes up to four 16-bit timers, two I2C, two SPI, and one or more UART interfaces. Typical applications for the PIC18F46K42-E/P include industrial control, sensor conditioning with on-chip op-amp-free analog signal chains, low-power IoT edge nodes, motor control with FOC or trapezoidal commutation, and consumer appliances. The Extended (E) temperature grade and through-hole PDIP package make it especially attractive for prototype, hobbyist, and rugged-environment designs where socketed parts are preferred. When designing with this MCU, allocate sufficient decoupling on VDD/AVDD pins (100 nF per pin plus bulk) and follow Microchip's emulator/debugger pinout guidance for ICSP. The CIPs allow many functions to run while the CPU is in sleep, making the part a strong fit for battery-powered applications.

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PIC18F46K42-I/ML - 8-Bit 64MHz 64KB Flash MCU | Microchip
PIC18F46K42-I/ML

PIC18F46K42-I/ML - 8-Bit 64MHz 64KB Flash MCU | Microchip

The Microchip PIC18F46K42-I/ML is an 8-bit PIC XLP microcontroller with 64KB Flash, 4KB RAM, and 1KB EEPROM, operating at up to 64MHz, housed in a 44-pin QFN (8x8mm) package. It belongs to the PIC18FxxK42 family of highly integrated, low-power microcontrollers featuring the XLP (eXtreme Low Power) technology suite, which delivers deep-sleep currents below 50 nA while retaining critical peripherals and RAM state. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of on-chip peripherals such as ADCs, timers, communication interfaces, and digital logic. The PIC18F architecture extends the classic PIC16 instruction set with 16-bit program word support, a hardware multiplier, and a linear program memory space up to 2 MB, occupying the midpoint of Microchip's 8-bit lineup between the legacy PIC16 and the more powerful dsPIC/PIC32 families. The PIC18FxxK42 generation specifically targets applications that require both high analog integration (12-bit ADC, DAC, op amps, comparators) and aggressive power management. Key features include Vectored Interrupts for deterministic interrupt response, a DMA controller that offloads data movement from the CPU, four 16-bit timers, four 8-bit timers, two I2C, two SPI, two UART, up to 36 PWM channels via the CWG/SMT/PWM peripherals, and a 12-bit ADC2 with up to 35 channels. A 5-bit DAC and two op amps enable closed-loop signal conditioning without external components. Independent peripherals (CIPs) allow timers, PWMs, and the CLC configuration to operate without CPU intervention. Typical applications include industrial control nodes, sensor hubs, low-power IoT edge devices, consumer appliances, lighting controls, USB HID peripherals (using the PPS pin mapping), small medical measurement devices, and battery-powered handheld instruments. The QFN-44 footprint suits compact boards, and the PPS (Peripheral Pin Select) feature lets designers remap peripheral I/O to most digital pins, simplifying PCB routing when the board layout changes. When designing with this part, evaluate the 16KB Flash read-while-write region if the application needs live firmware updates, and pay close attention to the analog supply (AVDD) decoupling when using the ADC2 at high sampling rates. The XLP modes require correct configuration of the VREGPM and RETEN bits to enter the lowest-power states reliably.

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PIC18F46K42-I/PT - 64KB Flash XLP 8-bit MCU | Microchip
PIC18F46K42-I/PT

PIC18F46K42-I/PT - 64KB Flash XLP 8-bit MCU | Microchip

The Microchip PIC18F46K42-I/PT is an 8-bit PIC18 microcontroller from Microchip's XLP (eXtreme Low Power) family, featuring 64 KB of self-programmable Flash program memory, 4 KB SRAM, 1 KB EEPROM, a 64 MHz maximum CPU clock, and a 12-bit ADC with computation (ADC2), housed in a 44-pin TQFP (10x10 mm) package. It operates from 2.3V to 5.5V and integrates core-independent peripherals (CIPs) such as DMA, vector interrupts, configurable logic cells (CLC), CWG, multiple 16-bit PWMs, comparators, a 5-bit DAC, and serial interfaces (UART, SPI, I2C). An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that integrates a CPU, non-volatile program memory, working RAM, EEPROM, timers, communication peripherals, and I/O on one die. PIC18F-series MCUs sit in the product hierarchy: PIC18F -> 8-bit PIC -> PIC microcontroller -> microcontroller -> embedded system-on-chip. They are widely used where deterministic code execution, low power, and rich analog integration are required. Key features of the PIC18F46K42-I/PT include a 12-bit Differential ADC2 with up to 35 channels and hardware averaging, a 5-bit DAC, multiple 16-bit PWMs with complementary outputs, configurable logic cells (CLC), DMA controllers that move data without CPU intervention, and vectored interrupts with priority levels. The 44-pin TQFP (PT) package offers up to 36 general-purpose I/O pins with 5V tolerance on most digital I/O. The PIC18F46K42 architecture combines a modified Harvard bus, a hardware multiplier, an 8-level hardware stack, vectored interrupts with priority levels, and XLP nanoWatt sleep modes for battery-powered designs. ADC2 includes built-in accumulators and averaging, while CLC blocks allow glue logic implementation in hardware without discrete gates. Typical applications include IoT sensor nodes, motor control (BLDC, stepper, brushed DC), industrial automation, low-power wireless sensor platforms, USB-CDC peripherals, and consumer appliances. The 12-bit ADC2, op-amps, and DAC simplify analog front-end designs without external components. When designing with this device, verify that the supply voltage and oscillator configuration match the application's power profile. The MSSP, CCP/PWM, CWG, and DMA blocks should be planned early to leverage core-independent operation and minimize active current. For low-power battery designs, use the deep-sleep modes combined with RTCC and peripheral wake sources. This page synthesizes distributor pricing, drop-in PIC18FxxK42 family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F46K42T-I/ML - 64KB Flash 8-bit MCU | Microchip | XLP 18K
PIC18F46K42T-I/ML

PIC18F46K42T-I/ML - 64KB Flash 8-bit MCU | Microchip | XLP 18K

The Microchip PIC18F46K42T-I/ML is an 8-bit PIC18 XLP microcontroller integrating 64KB Flash, 4KB RAM and 1KB EEPROM with a 64MHz core, packaged in a 44-pin QFN (8x8 mm) with exposed thermal pad. It belongs to Microchip's PIC18(L)FxxK42 family that combines XLP (eXtreme Low Power) technology with a rich set of Core Independent Peripherals (CIPs), intelligent analog and large non-volatile memory. An 8-bit microcontroller (MCU) is a programmable semiconductor that integrates a CPU, non-volatile program memory, RAM, and peripherals onto a single die. The PIC18 architecture uses a 16-bit modified Harvard instruction word that delivers roughly 16 MIPS at 64MHz, sitting in the MCU hierarchy as: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. This family targets low-power, mixed-signal embedded designs. Key features include 12-bit ADC2 with Computation and Context Sequencing (eliminates CPU post-processing), 8-bit DAC, fast comparators, 16-bit PWM, DMA controller, Vector Interrupts, Device Information Area (DIA), Memory Access Partition (MAP), and CIPs such as CLC, NCO and ZCD. The device supports 1.8V-5.5V operation with nanoWatt XLP sleep currents below 50 nA in Deep Sleep. The PIC18F46K42T-I/ML uses a 16-bit instruction path with 31-level hardware stack and an internal 64MHz oscillator accurate to +/-2% across -40C to +125C. The 44-QFN exposed pad gives theta_JA around 28 C/W, allowing sustained operation at industrial temperatures without forced airflow. Typical applications include IoT sensor nodes, BLDC/PMSM motor control loops, smart energy metering, USB/HID peripherals and industrial HMI panels. Designers choose it when deterministic real-time response, large analog integration and XLP sleep currents are required without stepping up to a 32-bit ARM core. When designing, allocate the exposed pad (EP) to a continuous ground plane and keep analog traces short. The 12-bit ADC2 with averaging typically achieves 11.5 ENOB at 1 ksps - derate this at higher sampling rates and ensure the AVdd pin is properly decoupled. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet alone.

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PIC18F46K42T-I/MV - 8-bit 64MHz MCU 64KB Flash | Microchip
PIC18F46K42T-I/MV

PIC18F46K42T-I/MV - 8-bit 64MHz MCU 64KB Flash | Microchip

The Microchip PIC18F46K42T-I/MV is an 8-bit PIC18 microcontroller built on the eXtreme Low-Power (XLP) platform, integrating 64KB of Flash, 4KB of SRAM and 1KB of EEPROM in a 40-pin UQFN (MV) 5x5mm package. It executes instructions at up to 64MHz (16 MIPS) and includes a 12-bit ADC with Computation (ADC2), DAC, comparators, vector interrupts, DMA, Memory Access Partitioning (MAP), and Device Information Area (DIA). The 64KB (32K x 16) Flash is in-system programmable through the ICSP interface. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data bus, optimized for deterministic real-time control at low power and modest cost. Within the embedded hierarchy, an 8-bit MCU sits below 16-bit and 32-bit MCUs in computational throughput but above discrete logic in functional integration. The PIC18 family uses a Harvard RISC architecture with hardware multiplier, intended for mixed-signal embedded designs that demand small code footprint, low active and sleep currents, and rich on-chip peripherals. Key features of this part include the 12-bit ADC2 (automated averaging, burst-averaging, threshold-triggered acquisition), 10-bit PWM with edge alignment, complementary waveform generation and variable dead-band, plus multiple communication peripherals: UART with protocol support, SPI, I2C with SMBus/PMBus compatibility, and CAN-FD ready I/O. The device also implements Configurable Logic Cells (CLC), a Peripheral Pin Select (PPS) matrix, and zero-cross detection on select pins. Architecturally, the K42 family extends the K40 line with hardware DMA, expanded CLC blocks, more vectored interrupt sources, and Memory Access Partitioning for bootloader/IP protection. The XLP core supports nanoWatt XLP sleep currents with multiple low-power modes (Sleep, Idle, Doze, PMD), allowing the device to consume microamps in standby while peripherals continue to operate via DMA. Typical applications include industrial sensor nodes, low-power IoT edge devices, automotive body and HVAC controls (non-safety), home appliances, consumer HMI panels, and USB-to-UART bridges. The wide 2.3V to 5.5V VDD range and 64MHz performance also make it suitable for brushed DC motor control and small BLDC commutation loops. When designing with this MCU, enable the Memory Access Partitioning early to lock bootloader regions, place the decoupling capacitor network (100nF + 10uF bulk) within 3mm of VDD/AVDD, and verify the PPS mapping for your chosen pinout. The UQFN-40 thermal pad must be soldered to a continuous ground pour for specified electrical and thermal performance. This page synthesizes distributor pricing, parametric alternatives, and practical design notes not found in the manufacturer datasheet, providing a side-by-side comparison against same-family K40/K42 MCUs and cross-vendor 8-bit options.

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PIC18F46K80-E/ML - 64KB Flash, ECAN, 8-bit MCU | Microchip
PIC18F46K80-E/ML

PIC18F46K80-E/ML - 64KB Flash, ECAN, 8-bit MCU | Microchip

The Microchip Technology PIC18F46K80-E/ML is a high-performance 8-bit PIC microcontroller with integrated ECAN, 64KB Flash, 3.6KB RAM, and nanoWatt XLP extreme low-power technology, housed in a 44-pin QFN (8x8 mm) package with exposed pad. It operates from 1.8V to 5.5V and runs up to 64MHz (16 MIPS). What is a PIC18 microcontroller? PIC18 is Microchip's enhanced 8-bit MCU family, sitting between baseline PIC10/12/16 and 16-bit dsPIC/PIC24 architectures. It offers C-friendly instruction set, hardware multiply, linear program memory up to 2MB, and rich peripherals including ADC, ECAN, USB, and touch sensing. PIC18F46K80 belongs to the PIC18F66K80 family targeting automotive, building control, elevator, and industrial segments. Key features include a 12-bit ADC with up to 11 channels, 5 CCP/ECCP modules, three dedicated ECAN transmit buffers, six programmable receive/transmit buffers, CTMU for capacitive touch, and nanoWatt XLP sleep current as low as 20 nA typical. It provides 35 digital I/O pins, two comparators, two UARTs, SPI, I2C, and a hardware RTCC with calendar mode. The 44-QFN exposed pad enables efficient heat dissipation in compact layouts. Internally, the device uses an 8-bit modified Harvard architecture with a 16-bit wide instruction path, 8x8 hardware multiplier, and 32-level hardware stack. The integrated ECAN controller supports CAN 2.0B active at 1 Mbps with six hardware buffers, eliminating software bit-banging overhead. The 12-bit ADC offers 100K samples per second with acquisition timer and dedicated ADC reference. Typical applications include automotive body modules and HVAC, industrial CAN nodes, building HVAC and elevator controllers, capacitive touch user interfaces, and battery-powered sensor platforms with ECAN communication. The wide 1.8V to 5.5V range supports direct Li-ion battery operation while remaining suitable for 5V industrial backplanes. When designing, allocate adequate copper area under the QFN exposed pad for thermal dissipation, since the 64MHz operation can drive internal dissipation in heavy I/O workloads. Place the 10uF bulk and 0.1uF bypass capacitors within 5mm of the VDD pins to avoid switching noise on ADC readings. This page synthesizes distributor pricing, drop-in alternatives, parametric comparison, and practical design notes not consolidated in the manufacturer datasheet alone.

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PIC18F46K80-H/ML - 8-bit 64MHz 64KB Flash MCU | Microchip
PIC18F46K80-H/ML

PIC18F46K80-H/ML - 8-bit 64MHz 64KB Flash MCU | Microchip

The Microchip PIC18F46K80-H/ML is a high-performance 8-bit PIC microcontroller from the PIC18F66K80 family, integrating ECAN™ (Controller Area Network) and nanoWatt XLP extreme-low-power technology. It operates up to 64 MHz delivering 16 MIPS, with 64 KB (32K x 16) of Flash program memory, 3.6 KB of RAM, and 1 KB of EEPROM. The device is housed in a 44-pin VQFN (8x8 mm) exposed-pad package, designated by the ML suffix. A PIC18F 8-bit MCU belongs to the high-performance PIC18 family of microcontrollers, which are reduced instruction set computing (RISC) Harvard-architecture devices. The PIC18F46K80-H/ML extends this lineage with integrated CAN connectivity, 12-bit ADC, and a CTMU (Charge Time Measurement Unit) for capacitive touch and precise timing, making it suitable for automotive, industrial, and building-control applications. Key differentiating features of this variant include AEC-Q100 qualification for automotive use, an extended temperature range, 35 programmable I/O lines, six ECAN receive/transmit buffers with three dedicated transmit buffers, and the nanoWatt XLP sleep mode that drops current draw to the nanoampere range. Its 1.8 V to 5.5 V operating voltage range allows direct connection to 3.3 V and 5 V systems, while the 12-bit A/D converter with up to 12 channels supports sensor interfacing. The H temperature grade indicates operation from -40 °C to +150 °C (high-temperature automotive range), distinguishing this part from the standard I-grade (-40 °C to +85 °C) and E-grade (-40 °C to +125 °C) variants. Internally, the device uses Microchip's enhanced flash architecture with self-programmability and a configurable oscillator block that supports internal operation without external crystals. Typical applications include automotive body and chassis ECAN nodes, building automation controllers, elevator control systems, industrial sensor hubs, and capacitive-touch user interfaces. The CTMU enables touch buttons and sliders without an external touch IC, while the ECAN peripheral handles CAN 2.0B communication at up to 1 Mbit/s. When designing with this MCU, allocate the exposed thermal pad (EP) to a continuous ground plane for thermal dissipation and noise immunity. Decouple VDD and AVVDD with 100 nF ceramic capacitors placed within 3 mm of the pins, and route the ECAN TX/RX lines as a differential pair with 120 Ω termination at the bus ends. This page synthesizes distributor pricing, parametric comparisons, and engineering design notes that complement the manufacturer datasheet, helping procurement and design teams evaluate the PIC18F46K80-H/ML alongside other members of the PIC18F K80 family.

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PIC18F46K80-I/ML - 64KB Flash 8-bit MCU w/ ECAN, XLP, 44-QFN
PIC18F46K80-I/ML

PIC18F46K80-I/ML - 64KB Flash 8-bit MCU w/ ECAN, XLP, 44-QFN

The Microchip Technology PIC18F46K80-I/ML is a high-performance 8-bit PIC18 microcontroller featuring integrated ECAN, nanoWatt XLP extreme low-power technology, 64 KB Flash, 4 KB RAM, and a 12-bit ADC with CTMU, housed in a 44-pin QFN (8x8 mm) package. It operates from 1.8 V to 5.5 V at up to 64 MHz (16 MIPS), targeting automotive, building control, elevator control, and industrial applications. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data memory, and programmable I/O peripherals. The PIC18F46K80 belongs to Microchip's PIC18 XLP family, which sits within the broader 8-bit PIC microcontroller hierarchy (PIC10/12/14/16/18). It is engineered for low-power embedded applications with high analog precision and a robust CAN interface. Key features include 64 KB Flash program memory (32K x 16), 1 KB EEPROM, 4 KB RAM, 12-bit ADC with up to 11 channels, 2 analog comparators, 2 CCP/ECCP modules, an integrated ECAN module compliant with CAN 2.0B, 2 MSSP (SPI/I2C), 2 enhanced USART, and a Charge Time Measurement Unit (CTMU). The 44-QFN package provides a compact 8x8 mm footprint with an exposed pad for thermal dissipation. Architecturally, the device uses an enhanced Harvard RISC core with a 16-bit instruction word and 8-bit data path, achieving 16 MIPS at 64 MHz. The nanoWatt XLP technology offers sleep currents as low as 20 nA typical, while the integrated ECAN controller supports up to 1 Mbps bus speeds with hardware filtering. The 12-bit ADC delivers up to 100 ksps with acquisition-plus-conversion timing controlled by the CTMU. Typical applications include automotive body and HVAC control, building automation nodes (BACnet/Modbus bridges), elevator controller boards, industrial sensor nodes with CAN backbone, and battery-powered metering. The wide 1.8 V to 5.5 V range and XLP modes support direct Li-Ion battery operation. When designing with this part, ensure proper decoupling on VDD/AVDD pairs, route the ECAN TX/RX lines as a differential pair with 120-ohm termination, and follow Microchip's recommended QFN thermal pad soldering pattern (NSMD land, 9 thermal vias). Programming/debugging uses ICSP over the standard PGC/PGD/PGM lines via PICkit or MPLAB ICD. This page synthesizes distributor pricing, drop-in QFN-44 alternatives, and practical design notes not found in the standalone Microchip datasheet, helping engineers compare MCUs and source reliably.

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PIC18F46K80-I/P - 8-bit 64MHz MCU, 64KB Flash, ECAN, 40-PDIP
PIC18F46K80-I/P

PIC18F46K80-I/P - 8-bit 64MHz MCU, 64KB Flash, ECAN, 40-PDIP

The Microchip Technology PIC18F46K80-I/P is a high-performance 8-bit PIC18 microcontroller with integrated ECAN, featuring eXtreme Low Power (XLP) nanoWatt technology, 64 KB of Flash program memory, 64 MHz maximum CPU clock (16 MIPS), and a 12-bit A/D converter with CTMU, packaged in a 40-pin PDIP (0.6 inch). It targets automotive, building-control, elevator-control and industrial applications with a 1.8V to 5.5V operating range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), peripheral I/O and, in many modern devices, analog and communication peripherals on one die. The PIC18 family is Microchip's high-tier 8-bit architecture, sitting above the baseline PIC10/12/16 parts. Within the power-management hierarchy, an MCU is a discrete semiconductor whose role is system orchestration: it reads sensors, drives actuators, runs state machines and hosts communication stacks. Key features of the PIC18F46K80-I/P include 64 KB (32K x 16) of self-programmable Flash with program/data EEPROM, 3.6 KB RAM, an integrated ECAN module, two MSSP/SPI ports with I2C, two enhanced USART, a 12-bit ADC with up to 11 channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and mTouch sensing, and nanoWatt XLP modes that drop sleep current below typical MCU run currents by orders of magnitude. The 64 MHz oscillator drives 16 MIPS throughput, while the supply range spans 1.8 V to 5.5 V for direct battery or 5 V rail connection. The architecture pairs a modified Harvard core with a 16-bit instruction word and 8-bit data path, giving predictable interrupt latency and deterministic timing suitable for CAN, motor and lighting loops. The 12-bit ADC with CTMU enables touch-button front panels or accurate resistance/capacitance measurements without an external timer IC, while ECAN provides an ISO 11898-compliant CAN 2.0B controller that offloads message filtering from the CPU. The XLP nanoWatt technology supports battery-backed building sensors and metering nodes that must run for years on primary cells. Typical applications include CAN-based automotive body and chassis nodes, building-control and HVAC controllers, elevator door and dispatch controllers, industrial sensor hubs and mTouch user interfaces, and battery-powered metering with ECAN reporting. Engineers typically choose this part when ECAN, capacitive touch and 1.8 V low-voltage operation must coexist on a through-hole DIP footprint. When designing with this device, allocate sufficient decoupling (100 nF ceramic plus 10 uF bulk at VDD/AVDD/VSS) and reserve the MCLR pin with a proper rise-time network. The CTMU uses the on-chip constant-current source with A/D sampling, so PCB layout should keep CTMU traces short and guarded; long traces pick up injection noise that degrades touch measurement repeatability.

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PIC18F46K80-I/PT - 8-bit 64MHz 64KB Flash MCU w/ ECAN | Microchip
PIC18F46K80-I/PT

PIC18F46K80-I/PT - 8-bit 64MHz 64KB Flash MCU w/ ECAN | Microchip

The Microchip Technology PIC18F46K80-I/PT is a high-performance 8-bit PIC18 microcontroller with integrated ECAN (Enhanced Controller Area Network), 64 KB of Flash program memory, 3648 bytes of RAM, and 1024 bytes of EEPROM, operating up to 64 MHz (16 MIPS) in a 44-pin TQFP (PT) 10x10 mm package. It operates from 1.8 V to 5.5 V, supports automotive and industrial temperature grades, and integrates a 12-bit ADC with up to 11 channels, three analog comparators, and the Charge Time Measurement Unit (CTMU) for capacitive touch and precise timing. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory, and peripherals. The PIC18F family is Microchip's high-performance 8-bit line, positioned above the baseline PIC16 and PIC10/12 families. Within power management hierarchy, MCUs belong to embedded controllers, which sit alongside linear regulators, DC-DC converters, and supervisors in the broader power management and embedded systems taxonomy. The "K80" suffix designates nanoWatt XLP (eXtreme Low Power) technology, achieving nano-amp sleep currents ideal for battery-powered and always-on designs. Key differentiating specifications include the integrated ECAN module supporting CAN 2.0B with up to 1 Mbps bit rate, nanoWatt XLP sleep current as low as 20 nA typical, 12-bit ADC with 12-channel capability (vs. 10-bit on older PIC18F46K22), and on-chip 8 MHz internal oscillator with 64 MHz PLL. The CTMU enables capacitive touch sensing without external components, while the 64 MHz operation delivers 16 MIPS throughput for real-time control loops. Typical applications include automotive CAN bus nodes (body controllers, gateway modules, instrument clusters), industrial building control (HVAC, smart thermostats, sensor hubs), and low-power battery-backed sensor platforms. The combination of ECAN and nanoWatt XLP makes it especially well-suited for sleep-dominant networked sensor nodes that wake briefly to transmit CAN frames. Designers should pay close attention to decoupling: place a 100 nF ceramic capacitor on VDD within 3 mm of each VDD/VDDCORE pin pair, plus a bulk 10 uF tantalum or ceramic on the main VDD rail. Brown-out reset and watchdog timer configuration should be evaluated early, as the K80 ships with extended WDT and BOR enabled by default.

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PIC18F46Q10-E/MP - 64KB Flash 8-bit MCU, 40-QFN | Microchip
PIC18F46Q10-E/MP

PIC18F46Q10-E/MP - 64KB Flash 8-bit MCU, 40-QFN | Microchip

The Microchip Technology PIC18F46Q10-E/MP is an 8-bit PIC18 microcontroller from the XLP™ 18Q family, integrating 64 KB of Flash program memory, 4 KB of SRAM and 256 bytes of EEPROM, with a maximum CPU clock of 64 MHz and operating voltage range of 2.3 V to 5.5 V, housed in a 40-pin QFN (5 mm x 5 mm) package. The device targets robust real-time control and sensor-node applications that require 5 V noise immunity, integrated intelligent analog peripherals and functional-safety (FuSa) features. Background Knowledge: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, RAM, and configurable peripherals such as ADC, timers, communication interfaces and PWM channels. The PIC18 family uses an 8-bit Harvard RISC architecture with separate program and data buses, while XLP™ (eXtreme Low Power) denotes Microchip's family of low-power variants offering nanoWatt sleep modes. Microcontrollers sit within the hierarchy: microcontroller -> embedded computing -> semiconductor IC. Key features of the PIC18F46Q10 include a 10-bit ADC with Computation (ADC2), a 5-bit DAC, configurable Complementary Waveform Generator (CWG), PWM, Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), and a CRC/SCAN engine for memory integrity. The 5 V supply tolerance provides additional noise immunity for industrial environments where 3.3 V MCUs would be susceptible to transients. The PIC18F46Q10 architecture combines the high-performance PIC18 RISC core with Configurable Logic Cells (CLCs) on the 40-pin variants, allowing users to build custom hardware-based logic functions in silicon. Intelligent analog peripherals such as the ADC2 and op-amp comparators simplify sensor signal conditioning without external components. Typical applications include industrial control loops, consumer appliance control, automotive body and comfort electronics, touch-sensing user interfaces, and Internet-of-Things (IoT) sensor nodes. The combination of low power, robust analog and a configurable peripheral set makes it suited for replacing multiple discrete analog components with a single MCU. When designing with this part, ensure that the QFN exposed pad is soldered to a sufficient copper pour to meet thermal and electrical ground requirements, and that decoupling capacitors are placed as close as possible to each VDD/VSS pair. The wide 2.3-5.5 V supply range simplifies designs that must operate from either 3.3 V or 5 V rails. This page synthesizes distributor pricing, drop-in 40-QFN alternatives, and practical design notes not found in the manufacturer datasheet alone. Sources are cited inline so engineers can verify each value against the originating Microchip document 40001996A.

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PIC18F46Q10-E/P - 64KB Flash 8-bit MCU, 40-PDIP | Microchip
PIC18F46Q10-E/P

PIC18F46Q10-E/P - 64KB Flash 8-bit MCU, 40-PDIP | Microchip

The Microchip Technology PIC18F46Q10-E/P is an 8-bit PIC® XLP™ 18Q microcontroller from Microchip's Functional Safety (FuSa) family, featuring 64KB (64K x 8) of Flash program memory, 3.6KB of RAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP (P) package. The device operates at up to 64MHz CPU clock and is rated for the extended -40C to +125C industrial temperature range, indicated by the "-E" temperature suffix. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and programmable peripherals on one silicon die. The PIC18F46Q10 belongs to the PIC18 family of enhanced Harvard-architecture MCUs, which sits within the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The PIC18F46Q10 series is specifically optimized for real-time control and sensor-node applications, integrating intelligent analog peripherals, configurable logic cells (CLCs), and 5V operation for improved noise immunity in industrial environments. Key features include a 10-bit ADC with up to 35 channels, a 5-bit DAC, three comparators, PWM/CCP/CWG waveform-generation peripherals, a windowed watchdog timer (WWDT), hardware SCAN/CRC for functional safety, a zero-cross detection (ZCD) module, and high/low-voltage detect (HLVD). The integrated Configurable Logic Cells let designers implement custom hardware-based logic without external glue logic, while the peripheral pin select (PPS) allows flexible signal routing to most digital I/O pins. Architecturally, the PIC18F46Q10 uses Microchip's enhanced mid-range core with a hardware multiplier and a 16-bit instruction word, while peripherals operate on a separate 8-bit data bus. The Functional Safety (FuSa) features such as WWDT, SCAN/CRC, and memory partition make this family suitable for safety-critical designs targeting IEC 61508 SIL 2 / IEC 60730 class B compliance when used with the appropriate firmware libraries. Typical applications include industrial sensor nodes, low-power IoT edge devices, motor-control and power-converter front-ends, building-automation controllers, white-goods user-interface modules, and automotive body-comfort subsystems (when the automotive-grade sibling variant is selected). The 5V-native I/O and configurable analog front-end are particularly well-suited for noisy industrial environments where 3.3V MCUs would struggle to meet noise margins. When designing with this part, ensure decoupling follows the manufacturer guideline of 0.1uF + 1uF/10uF bulk capacitors placed within a few millimeters of VDD pins, and reserve adequate unused I/O as analog ground for ADC measurement integrity. Compared with a 3.3V-native MCU, designers should note that the 5V PIC18F46Q10 requires level-shifting only when interfacing to lower-voltage peripherals. This page synthesizes distributor pricing, drop-in alternative recommendations, parametric comparison data, and practical design notes that are not aggregated on the manufacturer datasheet alone, supporting faster sourcing and design decisions for PIC18-Q10 series projects.

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PIC18F46Q10-E/PT - 8-Bit 64MHz 64KB Flash MCU | Microchip
PIC18F46Q10-E/PT

PIC18F46Q10-E/PT - 8-Bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F46Q10-E/PT is an 8-bit PIC18 microcontroller operating at up to 64 MHz with 64 KB of Flash program memory and 4 KB of SRAM, housed in a 44-pin TQFP (10x10 mm) package. The device integrates 1 KB of EEPROM, a 10-bit ADC with computation, a 5-bit DAC, multiple PWM modules, a Complementary Waveform Generator (CWG), Hardware Limit Timer, Windowed Watchdog Timer (WWDT), and Memory Scan/CRC for functional safety. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), peripherals, and I/O on one die. Within the broader semiconductor taxonomy, MCUs sit below microprocessors and above simple digital logic ICs. The PIC18 family uses a modified Harvard RISC architecture optimized for deterministic real-time control with rich peripheral integration, while the PIC18F46Q10 sub-family adds eXtreme Low Power (XLP) technology and 5V operation for noise immunity in industrial environments. Key features include 64 MHz maximum CPU speed, 36 configurable I/O pins, up to 36 interrupt sources, 12-bit ADC with computation (ADC2), multiple communication peripherals (I2C, SPI, UART with LIN), and dedicated timer/capture-compare modules. The integrated DMA-free peripheral engine and CIP (Core Independent Peripherals) such as CWG and HLT offload tasks from the CPU. Functional Safety (FuSa) features include Memory Scan and CRC for Class B safety integrity. Typical applications include industrial control sensor nodes, IoT edge devices, capacitive touch sensing, low-power motor control, and automotive body/comfort subsystems. With 5V I/O tolerance and eXtreme Low Power modes (sleep current down to the nA range), the PIC18F46Q10-E/PT targets battery-backed and noise-rich environments where traditional 3.3V-only MCUs struggle. When designing with this part, allocate sufficient PCB area for the 44-TQFP package and route the MCLR pin through a proper reset circuit. Always check the supply decoupling requirements in the datasheet's Electrical Characteristics section, since the part operates over 2.3V to 5.5V with strict decoupling capacitor placement rules. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F46Q10-I/MP - 64KB Flash 8-bit MCU 64MHz QFN-40
PIC18F46Q10-I/MP

PIC18F46Q10-I/MP - 64KB Flash 8-bit MCU 64MHz QFN-40

The Microchip Technology PIC18F46Q10-I/MP is an 8-bit PIC18 XLP microcontroller with 64KB Flash, 4KB RAM and 256B EEPROM, operating at up to 64MHz in a 40-pin QFN (5x5 mm, MP) package. It integrates a 10-bit ADC, a 5-bit DAC, multiple PWM channels and configurable peripherals, optimized for robust real-time control and sensor nodes with 5V operation for increased noise immunity. According to the Microchip PIC18F26/45/46Q10 data sheet DS40001996A, the device includes Configurable Logic Cells (CLCs), Complementary Waveform Generator (CWG), Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT) and SCAN/CRC for functional safety. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU family from Microchip Technology that combines RISC CPU performance with rich on-chip peripherals and nanoWatt XLP (eXtreme Low Power) technology. Within the broader taxonomy, the PIC18F46Q10 sits in the 40-pin PIC18-Q10 sub-family which is targeted at functional-safety and closed-loop control applications, offering advantages of all PIC18 devices plus high-endurance program Flash and 5V-tolerant I/O for industrial noise immunity. Key features include a 64MHz internal oscillator (with PLL), 36 I/O pins, three 16-bit timers, two I2C, two SPI, two UART interfaces and an 11-channel 10-bit ADC with 5-bit DAC. Peripherals such as CLC, CWG and the Hardware Limit Timer allow hardware-based signal conditioning without CPU load. Functional-safety features like Windowed WWDT and CRC/SCAN are tailored for IEC 61508 SIL capable designs. The device operates from 2.3V to 5.5V and supports XLP sleep currents in the nanoamp range, making it suitable for battery-powered and energy-harvesting nodes. The QFN-40 (MP) 5x5 mm exposed-pad package improves thermal dissipation for continuous high-MIPS operation. The architecture provides deterministic interrupt latency and a modified Harvard bus that executes most instructions in one cycle. Typical applications include industrial sensor nodes, closed-loop motor and fan control, white goods and small appliance control, low-cost functional-safety nodes, IoT edge controllers and LED lighting control. When designing with this device, place a 100nF decoupling capacitor close to each VDD pin and use the exposed pad for thermal relief.

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PIC18F46Q10-I/PT - 64KB Flash 8-bit MCU | Microchip | TQFP-44
PIC18F46Q10-I/PT

PIC18F46Q10-I/PT - 64KB Flash 8-bit MCU | Microchip | TQFP-44

The Microchip Technology PIC18F46Q10-I/PT is an 8-bit PIC18 microcontroller from the PIC XLP 18Q family, featuring 64 KB of Flash program memory, 3,728 bytes of SRAM, and 1,024 bytes of EEPROM. It operates at up to 64 MHz across an industrial temperature range of -40C to +85C, and is housed in a 44-pin TQFP (10x10 mm) package. According to the manufacturer datasheet, the device integrates 10-bit ADC with Computation (ADC2), a 5-bit/10-bit DAC, complementary waveform generators, configurable logic cells, a hardware limit timer, windowed watchdog timer, and CRC/Scan hardware for functional safety. A PIC18 microcontroller is a member of Microchip's enhanced 8-bit RISC architecture family, positioned within the broader microcontroller -> embedded controller -> semiconductor hierarchy. PIC18 devices extend the baseline PIC16 instruction set with hardware multiply, larger linear addressing windows, and C-optimized compiler support from MPLAB XC8. The Q10 sub-family specifically adds eXtreme Low Power (XLP) modes, integrated op-amps/comparators, and peripherals oriented toward closed-loop real-time control and sensor-node designs, distinguishing it from older PIC18F K-series parts that prioritize raw throughput. Key differentiating features include Core Independent Peripherals (CIPs) such as the 16-bit PWM with complementary outputs and dead-band control, the CWG (Complementary Waveform Generator), and the Numerically Controlled Oscillator (NCO). Functional Safety (FuSa) support includes a Windowed Watchdog Timer, CRC/Scan module for memory integrity, and a Hardware Limit Timer (HLT) for actuator protection - features that simplify IEC 61508 / SIL-2 design paths for industrial sensors and motor-control front-ends. Typical applications include industrial sensor nodes, HVAC actuator control, low-power IoT edge devices, automotive body and lighting modules, white goods motor control, and consumer touch-sensing front panels. The 5V native I/O tolerance increases noise immunity in factory-floor environments where 3.3V-only MCUs are marginal. When designing with this device, ensure the configuration bits are locked via the Configuration Word register before any Flash programming. For low-power IoT use cases, enable the nanoWatt XLP Sleep mode with RTC wake - this typically draws less than 50 nA. Use the ADC2 with hardware averaging and threshold compare to offload CPU cycles in sensor-fusion loops. This page synthesizes distributor pricing, drop-in PIC18 alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering teams with consolidated selection and procurement guidance.

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PIC18F46Q10T-I/MP - 8-Bit 64MHz 64KB Flash MCU 40-QFN | Microchip
PIC18F46Q10T-I/MP

PIC18F46Q10T-I/MP - 8-Bit 64MHz 64KB Flash MCU 40-QFN | Microchip

The Microchip Technology PIC18F46Q10T-I/MP is an 8-bit PIC microcontroller from the PIC18F26/45/46Q10 family, operating at up to 64 MHz with 64 KB of Flash program memory, 3.6 KB of SRAM, and 1024 bytes of EEPROM. It is housed in a 40-pin QFN (5x5 mm) package with an exposed thermal pad and is supplied in Tape & Reel packaging for high-volume SMT production. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data path, integrating a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), small EEPROM for parameter storage, and a rich set of peripherals on a single die. Within the broader semiconductor taxonomy, an MCU belongs to: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC18F46Q10 is part of Microchip's PIC18 family, which sits above baseline PIC16/PIC10 parts and below 16-bit PIC24 and 32-bit PIC32 families, offering an excellent balance of cost, deterministic real-time performance, and 5 V noise immunity for industrial and consumer control systems. Key features include a 10-bit ADC with computation (ADC2), a 5-bit DAC, multiple PWM modules, Complementary Waveform Generator (CWG), Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), and SCAN/CRC for functional safety (FuSa) applications. The device supports XLP (eXtreme Low Power) modes for battery-friendly designs and operates across an industrial temperature range of -40 °C to +85 °C. It is also fully functional with 5 V I/O, providing greater noise margin than typical 3.3 V MCUs in harsh electrical environments. The PIC18F46Q10 utilizes Microchip's enhanced mid-range PIC18 CPU core with a modified Harvard architecture and a hardware multiply unit, achieving deterministic instruction execution while supporting C-optimized compilers (XC8). Integrated intelligent analog peripherals and configurable logic cells (CLCs) enable hardware-based state machines, reducing software overhead and improving real-time response in closed-loop control loops. Typical applications include IoT sensor nodes, industrial automation, home appliances, motor control, LED lighting controllers, and functional safety subsystems where the AEC-like SCAN/CRC and WWDT simplify IEC 61508 SIL-2 designs. According to Microchip product literature, this family is well suited for a broad range of robust real-time control and sensor applications. When designing with this part, ensure the exposed pad is soldered to the PCB ground plane for thermal performance. Plan unused I/O pins as outputs to minimize current draw, and use the internal HFINTOSC to reduce BOM cost where crystal accuracy is not required. This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, lists drop-in package alternatives from Microchip's PIC18 family, and adds practical design notes that complement - not duplicate - the manufacturer datasheet.

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PIC18F46Q43-E/MP - 64KB Flash 8-bit MCU 40-QFN XLP | Microchip
PIC18F46Q43-E/MP

PIC18F46Q43-E/MP - 64KB Flash 8-bit MCU 40-QFN XLP | Microchip

The Microchip Technology PIC18F46Q43-E/MP is a 64-pin-class 8-bit PIC microcontroller from the PIC18-Q43 family, integrating 64 KB of Flash, 4 KB of SRAM, and a rich set of Core Independent Peripherals (CIPs) into a 40-pin QFN (5x5 mm) package. It executes instructions at up to 64 MHz, delivering 16 MIPS of throughput for real-time control loops. The 'E' suffix indicates the -40C to +125C extended operating temperature range suitable for industrial and automotive-grade environments, while the 'MP' suffix denotes the 40-QFN package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, I/O peripherals, and often analog and communication blocks into one IC. The PIC18F family uses an enhanced 8-bit Harvard architecture with a hardware multiplier, suited for deterministic control and low-power eXtreme Low Power (XLP) operation. The Q43 sub-family adds programmable logic (CLC), DMA, 16-bit PWM, and a 12-bit ADCC with computation capabilities for advanced signal processing directly in hardware. Key features include 64 KB Flash program memory, 4 KB SRAM, 1 KB EEPROM, three 16-bit PWMs with 32-bit capability, six channels of DMA, a 12-bit ADCC with automated CVD for capacitive touch, and multiple Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Zero-Cross Detect (ZCD), and Windowed Watchdog Timer (WWDT). The device supports up to 36 I/O pins, EUSART, SPI, I2C, and PPS (Peripheral Pin Select) for flexible signal routing. Architecturally, the Q43 family separates analog and digital domains through a 12-bit differential ADCC with hardware averaging, oversampling, and threshold detection, offloading math from the CPU. The integrated DMA moves data between peripherals and memory without CPU intervention, allowing deterministic motor-control and power-conversion loop times at tight PWM frequencies. The CLCs let designers create custom combinational/sequential logic in silicon. Typical applications include real-time motor control (BLDC, FOC), advanced lighting (dimmable LED drivers), capacitive touch HMI, USB-less consumer appliances, industrial sensor conditioning, and battery-powered IoT endpoints using XLP sleep modes down to sub-uA levels. Designers choose this part when they need CIP-rich peripherals and a 5x5 mm QFN footprint for compact PCBs. When designing with PIC18F46Q43-E/MP, plan oscillator and PPS assignments early because PPS maps digital functions to specific pins and conflicts can force re-layout. Place the decoupling capacitor network (100 nF + 1 uF + bulk) close to VDD/VSS pairs and follow Microchip AN2483 QFN PCB layout recommendations for proper thermal dissipation through the exposed pad. This page synthesizes distributor pricing, verified cross-reference alternatives, and practical design guidance drawn from the Microchip PIC18F26-46-56Q43 datasheet, providing information gain beyond the manufacturer's product page.

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PIC18F46Q43-E/P - 8-Bit 64KB Flash MCU, 40-Pin DIP | Microchip
PIC18F46Q43-E/P

PIC18F46Q43-E/P - 8-Bit 64KB Flash MCU, 40-Pin DIP | Microchip

The Microchip Technology PIC18F46Q43-E/P is an 8-bit PIC18 microcontroller with 64 KB of Flash program memory, 4 KB of SRAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP (DIP-40) through-hole package. It operates from 1.8 V to 5.5 V with an extended industrial temperature range of -40 °C to +125 °C, and runs the enhanced PIC18 Harvard RISC core up to 64 MHz instruction frequency. The integrated Core Independent Peripherals (CIPs) include Direct Memory Access (DMA), Configurable Logic Cells (CLC), 16-bit Pulse-Width Modulators, and a 12-bit Analog-to-Digital Converter with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) touch sensing. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and configurable peripherals on one die. The PIC18 family represents the high-tier of Microchip's 8-bit PIC portfolio, bridging legacy PIC16 simplicity with a richer instruction set and peripheral set. It sits in the hierarchy: PIC18 -> 8-bit MCU -> microcontroller -> embedded computing IC. Its relevance persists in cost-sensitive real-time control applications where deterministic behavior and low BOM cost matter more than raw clock speed. Key differentiating features of the PIC18F46Q43 family are the new 16-bit PWM with dual independent outputs, ADCC for automated signal conditioning, the CLC block for custom combinational/sequential logic without code overhead, and DMA allowing data movement between peripherals and memory without CPU cycles. These CIPs let designers replace external logic ICs and reduce firmware complexity. Together they cut MCU load, lower power, and shrink BOM. Architecturally the device combines an enhanced Harvard bus with a hardware multiplier, vectored interrupts, and the Peripheral Pin Select (PPS) module that remaps digital I/O to physical pins at runtime. Up to 36 I/O pins are available, and the ADCC can oversample and filter signals in hardware before CPU read. The instruction cycle is 4 clocks, so a 64 MHz oscillator yields 16 MIPS. Typical applications include industrial automation and motor control, capacitive touch user interfaces, low-power battery-powered sensing nodes, LED lighting controllers, automotive body and comfort subsystems, and consumer appliance control. The 64 KB Flash variant is well matched to mid-sized state machines with USB-free or CAN-Lite use cases. The DIP-40 package specifically targets prototype boards, educational platforms, and legacy socketed designs where through-hole soldering simplifies rework and field replacement. Compared with 28- and 48-pin Q43 siblings the 40-pin device balances I/O count with board real estate and is the go-to footprint when breadboard-compatible hand assembly is required. When designing with this part, reserve one of the in-circuit debug pins (ICSPDAT/ICSPCLK) for programming access; the PPS system allows most peripherals to be reassigned, but the ICSP pair is fixed. For low-power designs, use the nanoWatt XLP sleep modes and verify wake-up sources against the interrupt-on-change latency. The ADCC's CVD timing must be calculated from the application notes to avoid touch-button false triggers under noisy supplies. Decouple VDD with a 100 nF ceramic close to each pin pair and add a bulk 10 µF near the regulator. To minimize EMI on PWM outputs, place the driver MOSFETs within 25 mm of the IC and gate them with series resistors when slew rates exceed 5 V/ns. This page consolidates distributor pricing, drop-in 40-pin PDIP alternatives drawn from Microchip's PIC18 portfolio, and practical design notes that go beyond the manufacturer datasheet to support faster component selection and sourcing decisions.

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PIC18F46Q43-E/PT - 64KB Flash 8-bit MCU 64MHz 44-TQFP | Microchip
PIC18F46Q43-E/PT

PIC18F46Q43-E/PT - 64KB Flash 8-bit MCU 64MHz 44-TQFP | Microchip

The Microchip Technology PIC18F46Q43-E/PT is an 8-bit PIC18 microcontroller with 64KB Flash, 4KB SRAM, 64MHz CPU, and a 12-bit ADCC, housed in a 44-pin TQFP (10x10 mm) package. The device operates from 1.8V to 5.5V across -40C to +125C and exposes 36 I/O pins. It is part of the PIC18-Q43 family that combines Core Independent Peripherals (CIPs) with advanced interconnect fabric for hardware customization. An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control, integrating CPU, non-volatile program memory (Flash), working RAM, and peripherals on one die. It belongs to the hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18 family uses a RISC Harvard architecture with a 16-bit instruction word and 8-bit data path, balancing code density with deterministic interrupt response. Key features include a 12-bit Analog-to-Digital Converter with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) touch sensing, three 16-bit PWMs with flexible triggering, six-channel DMA, configurable logic cells (CLCs), and an 8-bit DAC. The XLP (eXtreme Low Power) technology provides deep sleep currents in the nanoamp range, enabling battery-powered designs that run for years on a single cell. Typical applications include capacitive touch user interfaces, sensor signal conditioning, LED lighting control, motor control (BLDC, stepper), and industrial IoT edge nodes. The high-resolution ADCC and dedicated hardware CIPs reduce CPU loading and code footprint, making the Q43 a strong fit for real-time control. When designing with this part, ensure that VDDCORE is decoupled per the datasheet and that unused I/O pins are configured as outputs low to minimize leakage. The device supports ICSP and JTAG for programming and debug. This page synthesizes distributor pricing, drop-in alternative MPNs, and engineering design notes that go beyond the manufacturer datasheet to accelerate your sourcing and design decisions.

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PIC18F46Q43-I/P - 64KB Flash 8-bit MCU, 40-PDIP | Microchip
PIC18F46Q43-I/P

PIC18F46Q43-I/P - 64KB Flash 8-bit MCU, 40-PDIP | Microchip

The Microchip PIC18F46Q43-I/P is an 8-bit PIC microcontroller from the PIC18-Q43 family, offering 64 KB of Flash, 4 KB of SRAM, and 1 KB of EEPROM in a 40-pin PDIP (DIP-40) through-hole package. It runs up to 64 MHz (16 MIPS) and features a 12-bit Analog-to-Digital Converter with Computation (ADCC), 5-bit DAC, multiple 16-bit PWMs, configurable logic cells (CLC), complementary waveform generator (CWG), and Core Independent Peripherals (CIPs). The "-I" suffix denotes the industrial temperature grade (-40C to +85C). A PIC microcontroller is a compact, programmable integrated circuit containing a CPU, Flash program memory, RAM, EEPROM data memory, and a rich set of on-chip peripherals such as ADCs, PWMs, timers, and communication interfaces. Within the semiconductor hierarchy, microcontrollers belong to the broader category of microprocessors and embedded controllers. The PIC18 family uses an enhanced 8-bit RISC architecture with hardware multiply, a 31-level stack, and instruction pipelining. Microcontrollers sit at the heart of nearly every embedded system, executing firmware that reads sensors, drives actuators, and communicates with other ICs. Key differentiating features of the PIC18F46Q43 include: 12-bit ADCC with automatic averaging, filtering and threshold comparison for capacitive touch via CVD; dual-output 16-bit PWM modules on a shared time base; CLCs that allow hardware state-machine customization without CPU intervention; Zero-Cross Detect (ZCD), Windowed Watchdog Timer (WWDT), and CRC/SCAN for functional-safety-class applications. These features collectively shorten firmware development time and reduce bill-of-materials cost. Architecturally, the device combines a Harvard-bus PIC18 CPU with Direct Memory Access (DMA) and Peripheral Pin Select (PPS), allowing many digital peripherals to be remapped to a wide choice of I/O pins. PPS is invaluable in mixed-signal layouts because it removes pin-out constraints, freeing the PCB designer to place sensitive analog signals and noisy PWM outputs on convenient pins. Typical applications include industrial control (sensor conditioning, motor drive), home appliances and white goods, capacitive touch user interfaces, LED lighting control with high-resolution dimming, and low-power battery-operated IoT nodes thanks to the eXtreme Low Power (XLP) technology. The 40-PDIP package is preferred in hobby, education, prototyping, and through-hole assembly lines. When designing with this part, place a 100 nF decoupling capacitor close to each VDD/VSS pair and add a bulk 10 uF capacitor on the main supply. The MCLR pin should be pulled up through a resistor (typically 10 kOhm) and, if long cables are involved, protected by a TVS diode. The ICSP pins (PGx, PGx) must remain accessible for in-circuit programming and debugging. This page synthesizes distributor pricing, drop-in same-family alternatives, application notes, and design notes not consolidated in the manufacturer datasheet - giving engineers a one-stop reference for PIC18F46Q43-I/P selection and implementation.

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