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PIC18LF45K50T-I/MV - 8-bit MCU 32KB Flash 48MHz USB | Microchip
PIC18LF45K50T-I/MV

PIC18LF45K50T-I/MV - 8-bit MCU 32KB Flash 48MHz USB | Microchip

The Microchip Technology PIC18LF45K50T-I/MV is an 8-bit PIC microcontroller from the PIC18LFxxK50 family, featuring 32 KB Flash program memory, 2 KB RAM, and a 48 MHz internal oscillator, housed in a 40-pin UQFN (MV) 5x5 mm package with an exposed pad. The device integrates a full-speed USB 2.0 transceiver and the enhanced mid-range PIC18 CPU core with 49 instructions, targeting low-cost USB embedded applications on a regulated 1.8 V to 3.6 V supply. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile working memory (RAM), peripherals, and I/O. It belongs to the category hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC18LF45K50 family adds a hardware USB peripheral that is rare in low-pin-count 8-bit MCUs, eliminating the need for an external USB transceiver. Key features include 32 KB self-programmable Flash (16K x 16), 2 KB RAM, 256 B EEPROM, 25 to 35 digital I/O pins depending on package, a 12-channel 10-bit ADC with auto-acquisition, two analog comparators, two 8-bit timers and three 16-bit timers, an enhanced Capture/Compare/PWM (ECCP) module, and an mTouch capacitive sensing peripheral. The integrated USB 2.0 full-speed transceiver and on-chip 3.3 V regulator make it a strong fit for HID, CDC, and vendor-class USB devices. The 'LF' prefix denotes the wide-voltage low-power variant (1.8 V to 3.6 V), enabling direct Li-ion battery operation. nanoWatt XLP technology provides sleep currents below 100 nA typical, supporting battery-powered designs with multi-year standby lifetime. The 48 MHz internal oscillator eliminates the external crystal typically required by USB devices. Typical applications include USB human-interface devices (HIDs) such as keyboards and mice, USB-to-UART bridges, USB sensor dongles, capacitive touch interfaces, low-cost data loggers, and consumer peripherals. The exposed thermal pad on the UQFN package aids heat dissipation for high-I/O USB applications. When designing with this part, place a 1 uF decoupling capacitor close to each VDD pin and connect the exposed pad (EP) to a solid ground plane. Configure the internal USB regulator through the CONFIG3L register before enumerating; failure to do so will prevent USB detection. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF45K80-I/P - 8-bit 64MHz 32KB Flash ECAN MCU | Microchip
PIC18LF45K80-I/P

PIC18LF45K80-I/P - 8-bit 64MHz 32KB Flash ECAN MCU | Microchip

The Microchip PIC18LF45K80-I/P is an 8-bit RISC microcontroller from the PIC® XLP™ 18K family, featuring an integrated ECAN™ peripheral, 32KB (16K x 16) of Flash program memory, 3648 bytes of RAM, and 1024 bytes of EEPROM, all in a 40-pin PDIP through-hole package rated for the industrial -40C to +85C temperature range. A PIC18 microcontroller is a high-performance 8-bit Harvard-architecture device from Microchip's enhanced PIC18 family, sitting hierarchically within the broader category of microcontrollers -> microcontrollers (MCU) -> 8-bit MCU -> embedded controller -> semiconductor IC. The 'LF' prefix indicates a low-voltage variant (1.8V to 3.6V operation) and 'K80' identifies the family with integrated ECAN, nanoWatt XLP ultra-low-power technology, and CTMU (Charge Time Measurement Unit). These features enable robust automotive and industrial communication applications with industry-leading low sleep current. Key specifications include a 64MHz internal oscillator (16 MIPS instruction throughput), 12-bit A/D converter with up to 11 channels, multiple communication peripherals (ECAN, SPI, I2C, UART), and nanoWatt XLP technology that drops quiescent current below 100 nA in sleep mode. The CTMU peripheral enables touch sensing, capacitive proximity detection, and precision time measurement, eliminating the need for external timer ICs in many designs. Architecturally, the PIC18LF45K80 uses a 16-bit instruction word with an 8-bit data path, separate program and data buses (Harvard architecture), and a hardware multiplier for faster arithmetic. The integrated ECAN module implements CAN 2.0B active with 32 acceptance filters, supporting bit rates up to 1 Mbps, making this part well suited to industrial and automotive network nodes. Typical applications include automotive body and comfort modules (CAN nodes), industrial sensor transmitters with ECAN, building automation controllers, low-power battery-powered sensor nodes, and capacitive touch user interfaces. The 40-pin PDIP package supports easy breadboarding and through-hole prototype assembly, which is preferred in education, hobbyist, and legacy industrial installations. When designing with this part, ensure your supply stays within 1.8V to 3.6V (LF variant); use the 5V-tolerant PIC18F45K80-I/P if you require 5V rail compatibility. Always place a 100nF decoupling capacitor within 5mm of each VDD/VSS pin pair, and configure the CONFIG register correctly for your oscillator choice. This page synthesizes current distributor pricing from DigiKey and Mouser, parametric alternatives within the same PIC18 K-series family, and practical design notes drawn from Microchip application notes not duplicated in the manufacturer datasheet.

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PIC18LF45K80-I/PT - 8-Bit 64MHz XLP MCU 32KB Flash | Microchip
PIC18LF45K80-I/PT

PIC18LF45K80-I/PT - 8-Bit 64MHz XLP MCU 32KB Flash | Microchip

The Microchip Technology PIC18LF45K80-I/PT is a low-voltage, eXtreme Low Power (XLP) 8-bit PIC18 microcontroller featuring integrated ECAN, 32 KB (16K x 16) of Flash program memory, and a 64 MHz maximum CPU clock delivering up to 16 MIPS instruction throughput. The 'LF' suffix denotes the 1.8 V to 3.6 V low-voltage variant, housed in a 44-pin TQFP (10x10 mm) surface-mount package rated for the industrial -40 C to +85 C temperature range. The 'I' in the part number specifies industrial temperature grade and the 'PT' package designator confirms the 44-lead TQFP. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, EEPROM, timers, communication peripherals and I/O ports onto one silicon die. The PIC18 family is Microchip's high-performance 8-bit line, sitting between baseline PIC10/12/16 parts and the 16-bit dsPIC/PIC24 families in the broader microcontroller taxonomy: MCU -> 8-bit MCU -> PIC18 -> PIC18 K-series. K-series parts add nanoWatt XLP sleep modes, integrated ECAN, and 12-bit ADC for mixed analog/digital embedded designs. Key features of the PIC18LF45K80 include 35 digital I/O pins, 12 channels of 12-bit ADC with auto-acquisition, 8-bit/16-bit timers, 4 KB RAM, 1 KB EEPROM data Flash, a charge time measurement unit (CTMU) for capacitive touch sensing, multiple communication peripherals including ECAN, SPI, I2C, and USART, plus a nanoWatt XLP sleep mode drawing less than 20 nA typical. The CTMU is unique within the PIC18 family and enables low-cost touch buttons, sliders, and proximity sensing without external analog ICs. The architecture uses a Harvard RISC core with 16-bit opcodes fetched from Flash while data is read/written across 8-bit buses, achieving single-cycle instruction execution. The integrated ECAN peripheral supports CAN 2.0B at up to 1 Mb/s, suitable for automotive and industrial CAN nodes. Brown-out reset, watchdog timer, low-voltage detect, and on-chip debug (ICD) round out the safety and development feature set. Typical applications include automotive body controllers and CAN nodes, industrial building automation, sensor signal conditioning, capacitive touch human-machine interfaces, low-power battery-powered sensor nodes, and elevator control panels. The 1.8 V minimum operating voltage allows direct connection to single-cell lithium or two AA cells, while the wide peripheral mix suits HVAC controllers and security panels. A critical design consideration for the PIC18LF45K80 is decoupling. Place a 100 nF ceramic as close as possible to VDD/VSS pins on each pair, plus a bulk 10 uF tantalum or ceramic near the regulator. For CAN-bus nodes, add a 120 ohm split termination and a CAN transceiver such as the MCP2551 or TLE7250-3 between the ECAN pins and the bus. The CTMU pinout requires careful guarding for capacitive touch. This page synthesizes real-time distributor pricing, drop-in alternatives, AEO-optimized FAQ, and practical design notes that go beyond what the manufacturer datasheet alone provides, giving procurement engineers and embedded designers a single-page decision point for sourcing and design-in decisions.

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PIC18LF45K80T-I/ML - 8-bit 64MHz XLP MCU, 32KB Flash | Microchip
PIC18LF45K80T-I/ML

PIC18LF45K80T-I/ML - 8-bit 64MHz XLP MCU, 32KB Flash | Microchip

The Microchip PIC18LF45K80T-I/ML is an 8-bit PIC18 microcontroller built on the enhanced PIC18 K80 core with eXtreme Low Power (XLP) technology, packaged in a 44-pin QFN (ML) 8x8 mm outline. It integrates 32 KB of Flash program memory, 4 KB of SRAM, and an integrated ECAN module for CAN 2.0B networking, making it a strong candidate for LIN/CAN-attached nodes in body and chassis ECUs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and a rich set of peripherals (ADC, timers, communication, I/O). The PIC18F/LF K80 family sits in Microchip's 8-bit PIC18 hierarchy, positioned between the baseline PIC10/12/16 families and the higher-end PIC24/dsPIC architectures; LF variants are the low-voltage, lower-power sub-family for 1.8V-3.6V operation, while F variants target 1.8V-5.5V operation. Headline specifications include a 64 MHz internal oscillator (16 MIPS), 32 KB Flash, 4 KB SRAM, a 12-bit ADC with up to 11 channels, an on-chip CTMU (Charge Time Measurement Unit) for capacitive touch and precise time-of-flight measurements, and the integrated ECAN peripheral. The QFN-44 package gives 36 user I/O pins and supports surface-mount reflow, which simplifies high-density PCB layouts in space-constrained modules. Architecturally, the device combines a RISC-style Harvard bus, nanoWatt XLP sleep modes with sub-1 µA standby currents, and the ECAN module that handles CAN 2.0B active/passive with hardware acceptance filters. The CTMU pairs with the ADC to enable mTouch capacitive touch sensing, eliminating an external touch controller in many HMI designs. LF variants are specified down to 1.8V, while the F counterpart PIC18F45K80 runs up to 5.5V. Typical applications include automotive body and chassis ECUs, industrial sensor nodes with CAN connectivity, low-power remote sensor hubs running from coin cells, capacitive touch human-machine interfaces, and building automation controllers on CAN/LIN backbones. The wide operating voltage window also enables portable instrumentation powered directly from a 3V lithium primary cell. When designing with this device, budget I/O pins early: ECAN, ADC, and CTMU each consume dedicated pins, so the 36 available I/Os disappear quickly in feature-rich designs. Always add a 100 nF decoupling capacitor next to each supply pin and route the ECAN TX/RX lines as a matched pair; verify against the Microchip family reference manual to avoid pin conflicts with PPS-mapped peripherals. This page synthesizes distributor stock data, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet by combining BOM context, selection trade-offs, and pinout guidance for the QFN-44 footprint.

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PIC18LF4610-I/ML - 8-Bit MCU 64KB Flash 40MHz QFN-44 | Microchip
PIC18LF4610-I/ML

PIC18LF4610-I/ML - 8-Bit MCU 64KB Flash 40MHz QFN-44 | Microchip

The Microchip Technology PIC18LF4610-I/ML is an 8-bit PIC microcontroller based on the enhanced PIC18 architecture with 64 KB of Flash program memory (32K x 16 words), 3,968 bytes of RAM, and a 40 MHz maximum CPU clock rate. Housed in a 44-pin QFN package with exposed pad (8x8 mm, ML suffix), the device integrates a 10-bit ADC with up to 13 input channels, multiple serial peripherals (UART, SPI, I2C), and Microchip's nanoWatt Technology for low-power operation. The 'LF' prefix indicates the 2.0V-5.5V wide operating voltage range, while the 'F' denotes Flash-based program memory. The 'I' suffix denotes the industrial temperature grade of -40C to +85C. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. The PIC18F family is Microchip's high-performance 8-bit architecture with a 16-bit instruction word, a hardware multiplier, a paged memory model and interrupt priority levels, positioned between the baseline PIC10/12/16 families and the 16-bit dsPIC/PIC24 families. MCUs sit inside the broader category of embedded computing, sharing the hierarchy MCU -> microcontroller -> embedded processor -> semiconductor. They are the central decision-making element in nearly every embedded product, executing firmware that reads sensors, drives actuators and manages communications. Key features of the PIC18LF4610 include 36 digital I/O pins arranged across multiple ports, a 10-bit ADC with up to 13 channels and auto-acquisition, two analog comparators, two CCP (Capture/Compare/PWM) modules, one Enhanced CCP module, an 8-bit/16-bit Timer0 with programmable prescaler, three additional 16-bit timers, a hardware USART with LIN support, MSSP (SPI/I2C) and a Parallel Slave Port. The device includes an ICD (In-Circuit Debugger) interface for MPLAB development tools. nanoWatt Technology provides multiple idle, sleep and run modes with current consumption down to microampere levels, making the part suitable for battery-powered systems. Architecturally, the PIC18LF4610 uses a 16-bit instruction word with an 8-bit data path and a modified Harvard bus, a 31-level deep hardware stack, and a hardware 8x8 multiply. The integrated low-voltage detect (LVD) circuit and brown-out reset (BOR) provide robust supply supervision, while the LF variant extends the supply range down to 2.0V for 2-cell battery operation. The QFN-44 exposed pad improves thermal dissipation and provides a low-inductance ground connection. Typical applications include industrial control panels, building automation nodes, motor control subsystems, smart sensor hubs, low-power data loggers, and battery-backed instrument clusters. The wide 2.0V-5.5V supply range also supports portable medical devices and remote sensor nodes where energy harvesting or coin-cell operation is desired. When designing with this device, plan the analog reference voltage (AVdd/AVss) and decoupling network carefully, and use MPLAB X IDE with the XC8 compiler for full hardware utilization including the ICD interface.

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PIC18LF4610-I/P - 8-bit 40MHz 64KB Flash MCU | Microchip
PIC18LF4610-I/P

PIC18LF4610-I/P - 8-bit 40MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18LF4610-I/P is an 8-bit PIC18 family RISC microcontroller with 64KB of Flash program memory and a 40MHz operating frequency, housed in a 40-pin PDIP (DIP-40) through-hole package. It integrates 3,968 bytes of RAM, 36 digital I/O lines, and a 10-bit ADC, optimized for low-power (nanoWatt) operation from 2.5V, 3.3V, or 5V supplies. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory, and peripherals on a single die; the PIC18 family uses an enhanced Harvard RISC architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access for higher throughput than von Neumann designs. Within Microchip's PIC portfolio, PIC18 sits above the PIC16 and PIC12 baseline series and below the 16-bit PIC24/dsPIC and 32-bit PIC32 lines, offering a balanced mix of performance, peripherals, and code density for embedded control. Key features of the PIC18LF4610-I/P include 64KB Flash (32K x 16 words), 3,968 bytes of data RAM, 1,024 bytes of data EEPROM, a 10-bit multi-channel analog-to-digital converter (ADC), multiple timer modules, USART, MSSP (SPI/I2C), and nanoWatt power-management modes that drop quiescent current into the microamp range during sleep. The wide 2.0V-5.5V operating range makes it suitable for both battery-powered and 5V industrial designs. Typical applications include industrial control panels, HVAC thermostats, sensor interfaces, low-power remote monitoring nodes, consumer appliance controllers, and automotive body electronics subsystems. The 36 I/O pins plus on-chip ADC and serial peripherals support a wide variety of mixed-signal interfaces without external glue logic. When designing with this part, allocate an oscillator and decoupling capacitor arrangement per the datasheet; incorrect MCLR pull-up or bypassing is a common cause of code-protection and brown-out issues. Industrial-grade temperature range (-40C to +85C) suits outdoor and factory environments but excludes under-hood automotive use, where the AEC-Q100-qualified variants should be selected instead. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that complement - and go beyond - the manufacturer datasheet for faster BOM decisions.

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PIC18LF4610-I/PT - 8-bit 40MHz MCU 64KB Flash 44-TQFP | Microchip
PIC18LF4610-I/PT

PIC18LF4610-I/PT - 8-bit 40MHz MCU 64KB Flash 44-TQFP | Microchip

The Microchip Technology PIC18LF4610-I/PT is an 8-bit RISC microcontroller belonging to the PIC18F family, featuring a 64 KB (32K x 16) Flash program memory, 1024 bytes of data EEPROM, and 3968 bytes of SRAM, housed in a 44-pin TQFP (PT) package measuring 10x10 mm. It operates at up to 40 MHz instruction frequency delivering 10 MIPS, with a wide supply voltage range of 2.0 V to 5.5 V (LF variant supports lower-voltage nanoWatt operation), making it suitable for both 3.3 V and 5 V systems. The device integrates 36 digital I/O pins, a 10-bit ADC with up to 13 channels, multiple serial communication peripherals including UART, SPI, and I2C, plus enhanced PWM and capture/compare modules. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and a rich set of peripherals such as timers, ADCs, and communication interfaces. The PIC18F family sits in the hierarchy as 8-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor IC, and it is widely used in cost-sensitive embedded designs requiring deterministic interrupt response and easy in-circuit programmability. The LF sub-family extends this with nanoWatt technology for battery-powered applications, allowing the CPU core and peripherals to operate down to 2.0 V while maintaining peripheral functionality. Key features of the PIC18LF4610 include 64 KB self-programmable Flash, hardware 8x8 multiplier, C compiler-optimized instruction set with 16-bit wide instructions, 1 microsecond instruction cycle at 10 MIPS, two Enhanced Capture/Compare/PWM (ECCP) modules, a Master Synchronous Serial Port (SSP) with SPI and I2C modes, two Enhanced USART modules supporting RS-232/RS-485 and LIN, a 10-bit ADC with up to 13 channels, dual analog comparators, and four timers (Timer0/1/2/3). The device also supports ICD (In-Circuit Debugger) via two pins and ICSP (In-Circuit Serial Programming) for field updates. Architecturally, the PIC18LF4610 uses an enhanced Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. The 16-bit instruction word enables richer addressing modes than the base-line PIC16 family, while the 8-bit data path keeps the silicon small and the throughput predictable. nanoWatt technology adds multiple idle modes (Idle, Sleep, Doze, and peripheral clock gating) that allow the application to dynamically trade speed for power consumption. Typical applications include industrial control and HMI panels, low-power sensor nodes with LCD displays, USB peripherals (when paired with external transceiver), motor control for small DC and stepper drives, automotive body and lighting subsystems, medical instrumentation, and consumer appliances that require reliable 8-bit control with ample Flash for protocol stacks. The wide 2.0 V to 5.5 V supply range and nanoWatt sleep modes also make it a strong fit for battery-powered metering and remote-monitoring nodes. When designing with this part, pay attention to the decoupling network (one 100 nF ceramic plus one bulk tantalum or aluminum per VDD/VSS pair), keep the analog and digital supplies separate (AVDD/AVSS) if ADC accuracy matters, and reserve the PGC/PGD pins for in-circuit programming. The 44-pin TQFP footprint is also shared by several PIC18F4x family siblings, which simplifies second-source and pin-compatible migration during the design's lifetime. This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC18F4x family, and practical design notes not found in the manufacturer datasheet alone, giving engineers an at-a-glance comparison and selection aid.

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PIC18LF4610T-I/PT - 64KB Flash 8-bit MCU 48MHz | Microchip
PIC18LF4610T-I/PT

PIC18LF4610T-I/PT - 64KB Flash 8-bit MCU 48MHz | Microchip

The Microchip Technology PIC18LF4610T-I/PT is a high-performance 8-bit RISC microcontroller with 64KB Flash program memory, 3968 bytes RAM, and 1024-byte EEPROM, housed in a 44-pin TQFP package. It operates from 2.0V to 5.5V, executes instructions at up to 10 MIPS from a 48 MHz internal clock (12 MIPS from a 48 MHz oscillator), and integrates a 10-bit ADC, multiple timers, USART, MSSP (SPI/I2C), and nanoWatt power management peripherals. What is a PIC18 microcontroller? The PIC18 family is Microchip's enhanced 8-bit RISC architecture, positioned between the legacy PIC16 line and the PIC24/dsPIC 16-bit families. In the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> RISC MCU -> PIC18 -> PIC18F/LF46xx sub-family. The 'LF' prefix denotes the low-voltage variant optimized for 2.0V-5.5V operation with extended nanoWatt sleep modes; the 'F' variants typically run at 4.2V-5.5V. PIC18 parts use a modified Harvard architecture with separate program and data buses, hardware multiply, and C-optimized instruction set. Key features of the PIC18LF4610T-I/PT include 36 digital I/O pins arranged across five ports, a 10-bit successive-approximation ADC with up to 13 input channels, two CCP/ECCP modules for PWM or capture/compare, two USART ports, one MSSP supporting both SPI and I4F modes, an enhanced watchdog timer, and four timer modules (Timer0/1/2/3). It supports in-circuit serial programming (ICSP) and in-circuit debugging via two ICD pins, allowing firmware development without removing the chip. The silicon uses an enhanced flash cell with self-programmability under software control, enabling bootloader-style firmware upgrades in the field. The internal RC oscillator is factory-calibrated to ±1% across 2V-5.5V, and the PLL multiplier can synthesize 96 MHz from a 4 MHz source for the 12 MIPS high-performance mode. nanoWatt technology gates unused peripherals dynamically, drawing as little as 100 nA in deep sleep. Typical applications include industrial control with HMI displays, USB-aware embedded systems using the on-chip MSSP, home appliance control boards, HVAC sensor nodes, automotive body controllers, and battery-powered metering where low standby current matters. When designing, observe the 5.5V absolute maximum and ensure decoupling capacitance of at least 0.1 µF ceramic is placed within 5 mm of each VDD/VSS pair. Unused I/O should be configured as outputs low rather than left floating to suppress shoot-through current. This page consolidates distributor pricing as of 2026-09-29, drop-in alternatives from the PIC18 family, and design notes not aggregated elsewhere.

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PIC18LF4620-I/ML - 8-Bit 40MHz 64KB Flash MCU 44-QFN | Microchip
PIC18LF4620-I/ML

PIC18LF4620-I/ML - 8-Bit 40MHz 64KB Flash MCU 44-QFN | Microchip

The Microchip Technology PIC18LF4620-I/ML is an 8-bit PIC18 family microcontroller (MCU) based on an enhanced RISC architecture, featuring 64KB (32K x 16) of Flash program memory, 3968 bytes of RAM, and 1024 bytes of EEPROM. Housed in a 44-pin QFN (8x8 mm) package with exposed pad, the device runs at up to 40 MHz and integrates a 10-bit ADC, multiple timers, PWM modules, and nanoWatt power management. Operating voltage spans 2.0V to 5.5V, making it ideal for both 3.3V and 5V systems. The "LF" prefix indicates a wide-range low-power core optimized for battery and portable designs. An 8-bit PIC microcontroller (MCU) is a Harvard-architecture RISC processor that executes one instruction per clock cycle (except branches), paired with on-chip Flash, RAM, and peripherals such as ADC, timers, and communication modules. The PIC18 family occupies the upper tier of Microchip's 8-bit portfolio, offering enhanced instruction set, prioritized interrupts, and up to 10 MIPS performance. Within the broader taxonomy, PIC18 sits below PIC10/12/16/17 in the 8-bit hierarchy but above them in memory and peripheral integration, while remaining separate from the 16-bit dsPIC and 32-bit PIC32/SAM families. Key specifications of the PIC18LF4620-I/ML include 36 digital I/O pins, 13 ADC channels with 10-bit resolution, two USART modules, one MSSP (SPI/I2C), a parallel slave port, and four timer modules. The nanoWatt technology offers multiple power-managed modes (Run, Idle, Sleep) with software-selectable oscillator options including internal 31 kHz to 8 MHz RC and external crystal/clock support. Self-programmability under software control enables field updates via dual Flash read/while-write. The architecture combines a 16-bit instruction word with 8-bit data path, 31-level hardware stack, and a memory-mapped peripheral set. The enhanced core supports C-compiler-friendly addressing, multiplied instructions for arithmetic, and direct bit manipulation, simplifying firmware development in MPLAB X IDE with XC8 compilers. Typical applications include industrial control panels, automotive body electronics, sensor signal conditioning, low-power remote sensing nodes, USB-to-UART bridges, and consumer appliances. For instance, the integrated 10-bit ADC and 36 I/O lines enable direct interfacing with analog sensors, keypads, and LEDs in a single-chip solution. Designers should budget for the exposed pad's thermal dissipation path - the e-pad must be soldered to a grounded copper pour for electrical and thermal performance. The wide voltage range allows direct Li-ion battery operation between 2.5V and 4.2V without an LDO, simplifying portable designs. This page combines verified distributor pricing, same-brand drop-in alternatives (PIC18F4620-I/ML, PIC18LF4620-I/PT), and application-focused design notes that go beyond the manufacturer datasheet summary.

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PIC18LF4620-I/P - 8-bit 40MHz MCU 64KB Flash 40-PDIP | Microchip
PIC18LF4620-I/P

PIC18LF4620-I/P - 8-bit 40MHz MCU 64KB Flash 40-PDIP | Microchip

The Microchip Technology PIC18LF4620-I/P is an 8-bit PIC18F-family microcontroller based on the RISC architecture, integrating 64KB of Flash program memory, 3968 bytes of RAM, and 1024 bytes of EEPROM in a 40-pin PDIP (DIP-40) through-hole package. It executes instructions at up to 40 MHz (10 MIPS), operates from a wide 2.0V-5.5V supply, and exposes 36 digital I/O lines plus a 10-bit ADC, multiple timers, USART, MSSP (I²C/SPI), and the Enhanced Nano Watt-CEE family of nanoWatt or low-power modes. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, peripheral I/O, and clock generation on one die. The PIC18 family sits in the broader taxonomy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. Within 8-bit MCUs, PIC18 devices are typically classified by their high-endurance Enhanced Flash memory, hardware multiplier, and C-friendly architecture. The LF suffix denotes the low-voltage variant that supports operation down to 2.0V, enabling battery-powered and 3.3V designs. Key features include 64KB (32K x 16) of self-programmable Flash, 3968 bytes of SRAM, 1024 bytes of EEPROM data memory, 36 I/O pins with individual direction control, 13 channels of 10-bit ADC, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, Enhanced USART, MSSP supporting SPI and I²C (Master/Slave), two analog comparators, and a hardware 8x8 multiplier. The nanoWatt technology provides power-managed modes including Idle, Sleep, and a low-power Timer1 oscillator for RTC operation. The architecture uses a 16-bit instruction word with an 8-bit data path and a hardware multiply engine that executes an 8x8 unsigned multiply in a single instruction cycle. The Enhanced Flash supports ICSP (In-Circuit Serial Programming) and self-programming under firmware control, allowing field updates and bootloader designs. The 2.0V minimum supply opens the LF4620 to single-cell Li-ion or 2x AA alkaline applications while remaining drop-in compatible with the 5V PIC18F4620 (which requires 4.2V-5.5V). Typical applications include industrial control panels, sensor signal conditioning, USB-to-UART bridges, HVAC thermostats, automotive body electronics, home appliances, and general-purpose embedded control boards. The 40-pin PDIP package supports hand-prototyping, breadboard use, and educational platforms, and is favored in through-hole designs where socketed or replaceable parts are required. When designing with this part, note that the LF and F variants differ only in VDD range (2.0V-5.5V vs 4.2V-5.5V); firmware written for one generally runs on the other. The 40-MHz oscillator can be driven from an external source or ceramic resonator; for RTC accuracy, a 32.768-kHz crystal on Timer1 is recommended. Ensure MCLR is tied to VDD through a 10 kΩ pull-up for normal operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF4620-I/PT - 8-bit 40MHz 64KB Flash MCU | Microchip TQFP-44
PIC18LF4620-I/PT

PIC18LF4620-I/PT - 8-bit 40MHz 64KB Flash MCU | Microchip TQFP-44

The Microchip Technology PIC18LF4620-I/PT is an 8-bit PIC18 enhanced flash microcontroller with 64KB program memory, 40MHz CPU clock, and 36 I/O pins, housed in a 44-pin TQFP (10x10 mm) package. The "LF" variant operates from 2.0V to 5.5V, suiting battery-powered and low-voltage designs, while the "F4620" integrates 64KB Flash, 3968 bytes RAM, 1024 bytes EEPROM, a 10-bit ADC, and nanoWatt power management for energy-sensitive applications. An 8-bit microcontroller (MCU) is a programmable processor that executes instructions 8 bits at a time and combines CPU, memory (Flash, RAM, EEPROM), peripherals (ADC, timers, UART, SPI, I2C, PWM), and I/O on a single silicon die. PIC18 microcontrollers occupy the high-performance tier of Microchip's 8-bit portfolio, sharing the PIC architecture lineage with PIC16 and PIC24/dsPIC families and targeting embedded control products where deterministic execution and low power matter more than raw MIPS. Within this hierarchy, PIC18LF4620 belongs to the F46xxx K-class subfamily that adds USB, CAN, and enhanced peripherals. Key features include 64KB (32K x 16 words) self-programmable flash, 3968 bytes SRAM, 1024 bytes EEPROM, 13 ADC channels with 10-bit resolution, two comparators, two 8-bit timers and three 16-bit timers, two MSSP (SPI/I2C) and two EUSART ports, and nanoWatt technology that drops Iq below 100 nA in sleep mode. The 44-pin TQFP footprint and wide operating temperature range (-40C to +85C industrial grade) make it suitable for through-hole-replacement SMD designs. The PIC18LF4620-I/PT uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, allowing single-cycle 8x8 hardware multiply and single-cycle 16-bit fetch. The 40MHz internal clock drives 10 MIPS throughput, with 4x PLL options. nanoWatt dynamic clock switching lets the firmware trade MIPS for power at run-time. Master Clear, in-circuit serial programming (ICSP), and in-circuit debugger (ICD) interfaces are all retained on dedicated pins. Typical applications include industrial sensor conditioning, USB HID peripherals, automotive body controllers, HVAC control panels, low-power remote sensing, and small appliances. With 36 I/O, the device can drive multiple keypads, LED matrices, or relays without external expanders. When laying out, allocate the ICPG/ICPG clock pins away from PWM traces to avoid coupling, and place the 0.1uF Vdd decoupling within 5mm of each Vdd pin. An external 32.768 kHz crystal for Timer1 is recommended when real-time-clock accuracy matters. This page aggregates DigiKey and Mouser distributor pricing, drop-in compatible replacements within the PIC18 family, application circuits and design notes that go beyond the manufacturer's datasheet alone.

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PIC18LF4620T-I/PT - 8-Bit 40MHz 64KB Flash MCU | Microchip
PIC18LF4620T-I/PT

PIC18LF4620T-I/PT - 8-Bit 40MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18LF4620T-I/PT is an 8-bit PIC18 microcontroller featuring a 40 MHz maximum CPU clock, 64 KB of Enhanced Flash program memory, and a 44-pin TQFP (10x10 mm) surface-mount package. The "LF" prefix indicates a low-voltage variant supporting operation from 2.0 V to 5.5 V, while the "T" suffix denotes tape-and-reel packaging and the "I" indicates the industrial -40 °C to +85 °C operating temperature range. The device delivers 10 MIPS performance and is suitable for both battery-powered and line-powered embedded applications. A PIC18 microcontroller is a member of Microchip's 8-bit RISC architecture family, sitting within the broader taxonomy of microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. The PIC18 family uses a 16-bit instruction word with an 8-bit data path, providing an enhanced instruction set over earlier PIC16 devices while maintaining full code compatibility with the PIC16 mid-range core. The "nanoWatt Technology" branding refers to Microchip's power-management features including multiple idle and sleep modes, oscillator start-up timers, and ultra-low-power Real-Time Clock/Calendar operation. Key features include 64 KB (32 K x 16) flash program memory, 3968 bytes of RAM, 1024 bytes of EEPROM, a 10-bit Analog-to-Digital Converter (ADC) with up to 13 input channels, multiple communication peripherals (EUSART, MSSP for SPI/I2C), and four 8-bit/16-bit timers. The device supports up to 36 digital I/O pins, hardware multiplier, and enhanced Capture/Compare/PWM (ECCP) modules, enabling direct motor control, power-conversion, and lighting applications without external logic. The PIC18LF4620T-I/PT integrates nanoWatt power-management technology with multiple low-power modes (RUN, IDLE, SLEEP) and a fast wake-up from sleep with 1 µs typical response. The internal RC oscillator and PLL options support flexible clock configurations from 31 kHz to 40 MHz. The architecture also supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD) via MPLAB tools, allowing field firmware upgrades and real-time development. Typical applications include industrial automation controllers, automotive body electronics, USB peripherals, sensor signal conditioning, smart-card readers, and consumer appliances. The wide voltage range (2.0 V to 5.5 V) makes it particularly well suited to battery-powered devices such as portable instrumentation and remote sensors. The 64 KB flash provides sufficient code space for graphical user interfaces, protocol stacks (Modbus, LIN), and over-the-air (OTA) firmware update routines. When designing with this device, consider using the PIC18F4620 (5 V only) variant for cost-sensitive line-powered designs, or PIC18LF45K80 (lower power with enhanced peripherals) for battery applications. Always consult the PIC18F4620 family datasheet for ADC acquisition-time calculations, MSSP timing margins, and CCP PWM resolution trade-offs at system clock frequencies above 25 MHz. This page synthesizes distributor pricing, same-brand drop-in alternatives (PIC18LF4620-I/PT, PIC18F4620T-I/PT, etc.), and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF4680-I/ML - 8-Bit 40MHz MCU 64KB Flash ECAN 44-QFN | Microchip
PIC18LF4680-I/ML

PIC18LF4680-I/ML - 8-Bit 40MHz MCU 64KB Flash ECAN 44-QFN | Microchip

The Microchip Technology PIC18LF4680-I/ML is a low-power 8-bit PIC18 microcontroller with 64 KB of Flash program memory and an integrated Enhanced CAN (ECAN) module, housed in a 44-pin QFN (8x8 mm) package. It operates from 2.0 V to 5.5 V and runs up to 40 MHz, targeting cost-sensitive embedded designs that require on-chip CAN, LIN-capable UART, and moderate analog performance. Key features include 64 KB (32K x 16) of self-programmable Flash, 3328 bytes of RAM, 1024 bytes of EEPROM, 11 channels of 10-bit ADC, and 36 digital I/O pins. The LF variant uses an advanced CMOS process with nanoWatt technology, providing low sleep current and idle current optimizations suited for battery-powered industrial and automotive subsystems. The PIC18F4680 family architecture pairs a 16-bit modified Harvard core with a wide peripheral set: two Enhanced USART modules, MSSP for SPI/I2C, two Capture/Compare/PWM modules, an Enhanced CAN 2.0B controller with hardware filtering, and a 10-bit 11-channel ADC. The ECAN controller implements CAN 2.0A/B with DeviceNet and CANopen filtering capability, removing the need for an external CAN transceiver controller in many node designs. Typical applications include industrial CAN nodes (sensor hubs, motor controllers), automotive body and chassis ECUs, building automation (BACnet or CAN-based HVAC), and medical instrumentation with battery-backed operation. The wide VDD range (2.0 V to 5.5 V) allows direct connection to 3.3 V or 5 V rails and 2-cell Li-ion battery stacks. Designers should pair this MCU with a 3.3 V CAN transceiver such as the MCP2551 or MCP2561 and a precision LDO such as the MCP1700 for the analog supply. A 20 MHz or 40 MHz crystal or resonator is required for CAN-bus synchronization; ECAN bit-timing relies on Fosc accuracy. For firmware development, MPLAB X IDE, XC8 compiler, and MPLAB Code Configurator support code generation for ECAN, ADC, and PWM peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF4680T-I/PT - 40MHz 8-bit MCU w/ CAN & 64KB Flash | Microchip
PIC18LF4680T-I/PT

PIC18LF4680T-I/PT - 40MHz 8-bit MCU w/ CAN & 64KB Flash | Microchip

The Microchip Technology PIC18LF4680T-I/PT is an 8-bit RISC microcontroller from the PIC18F family, featuring a 40MHz PIC18 CPU core with 12 MIPS performance, 64KB (32K x 16) of Flash program memory, 3.25KB (3328 bytes) of data RAM, and 1KB of data EEPROM. It is housed in a 44-pin TQFP (10x10 mm) surface-mount package and supports 36 general-purpose I/O lines plus up to 34 I/O ports. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, peripherals, and I/O into one package. The PIC18F family sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor -> integrated circuit. The 'LF' prefix designates the low-voltage F-series variant operating across 2.0V to 5.5V, which targets battery-powered and energy-conscious designs via Microchip's nanoWatt Technology for dynamic power management. Key features include an integrated Enhanced CAN (ECAN) module, hardware USART, I2C, SPI, and Parallel Slave Port (PSP) interfaces, 11 channels of 10-bit ADC, two capture/compare/PWM (CCP) modules, and an enhanced capture/compare/PWM (ECCP) module. The device also integrates a 16-bit timer, two 8-bit timers, and nanoWatt power management including idle, sleep, and run modes with on-the-fly clock switching. The architecture pairs a Harvard-style CPU with separate program and data buses, which lets the 40MHz oscillator fetch instructions in parallel with data accesses for deterministic throughput. The Enhanced CAN module provides hardware acceptance filters, multiple transmit/receive buffers, and supports both standard and extended identifiers, removing the host CPU from heavy protocol processing. Typical applications include automotive body and chassis networks, industrial CAN-based sensor hubs, building automation gateways, embedded control boards, and portable medical devices. The wide 2.0-5.5V operating range and nanoWatt modes also make it suitable for battery-backed telemetry nodes and remote sensor interfaces. When designing with the PIC18LF4680T-I/PT, ensure decoupling capacitors are placed within 4mm of each power pin, and that the CAN bus is terminated with 120 ohm resistors at each end of the network. The 'T' suffix denotes tape-and-reel packaging for high-volume assembly, while the 'I' grade indicates an operating temperature range of -40C to +85C suitable for industrial environments. This page synthesizes distributor pricing, drop-in TQFP-44 alternatives, and practical design notes drawn from the PIC18F2585/2680/4585/4680 datasheet, providing context not found in any single manufacturer or distributor page.

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PIC18LF4682-I/ML - 8-bit MCU, 80KB Flash, ECAN, 44-QFN | Microchip
PIC18LF4682-I/ML

PIC18LF4682-I/ML - 8-bit MCU, 80KB Flash, ECAN, 44-QFN | Microchip

The Microchip Technology PIC18LF4682-I/ML is an 8-bit PIC18 microcontroller featuring 80KB of Flash program memory, 3KB of SRAM, 1024 bytes of EEPROM, and an integrated Enhanced CAN (ECAN) module, housed in a 44-pin QFN (8x8 mm) package. It operates at up to 40MHz (10 MIPS) from a 2.0V to 5.5V supply and provides 34 digital I/O pins plus a rich peripheral set including a 10-bit ADC, multiple USART/SPI/I2C interfaces, and nanoWatt power management for low-power designs. A PIC18 microcontroller is part of Microchip's high-performance 8-bit RISC architecture family, designed for embedded control applications that need deterministic response, ample on-chip memory, and rich connectivity in a single chip. Within the broader taxonomy, PIC18 devices belong to microcontroller -> embedded processor -> semiconductor device category, and they remain one of the longest-supported 8-bit MCU lines in the industry. Key features of the PIC18LF4682 include 80KB (40K x 16) self-programmable Flash, 1024-byte EEPROM with endurance rated for high write cycles, hardware ECAN controller for CAN 2.0B protocol, 4 timers, 2 capture/compare/PWM modules, 2 comparators, 10-bit ADC with up to 11 channels, and nanoWatt technology that supplies multiple power-managed modes including Sleep with nanowatt-level current. The 'LF' prefix denotes the extended low-voltage variant supporting 2.0V operation. The architecture combines a Harvard-bus RISC core with a C-optimized instruction set and a 31-level hardware stack. With 10 MIPS throughput and a 16-bit wide instruction path, the PIC18LF4682 executes most instructions in one cycle, simplifying timing analysis for real-time control. The 44-QFN (ML) package adds an exposed thermal pad for improved thermal dissipation and supports industrial-grade operating temperature. Typical applications include industrial CAN-bus nodes, automotive body and sensor ECUs (non-safety-critical), HVAC controllers, building automation, motor-control companion processors, and USB/CAN-bridge gateways. The combination of ECAN, 80KB Flash, and 2.0V low-voltage operation makes it particularly suited to distributed industrial sensor networks. When designing with this part, ensure the ECAN bus is properly terminated with 120 ohm resistors and that the QFN thermal pad is soldered to a sufficient copper pour. The internal oscillator can save cost and board space, but critical timing applications (CAN, UART) typically use an external crystal for accuracy. This page combines manufacturer datasheet specifications, current distributor pricing and stock, drop-in alternative MPNs, and design notes curated from typical application patterns not always present in the datasheet summary.

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PIC18LF4682-I/P - 8-Bit MCU, 80KB Flash, ECAN, 40-PDIP | Microchip
PIC18LF4682-I/P

PIC18LF4682-I/P - 8-Bit MCU, 80KB Flash, ECAN, 40-PDIP | Microchip

The Microchip Technology PIC18LF4682-I/P is an 8-bit RISC microcontroller from the PIC18F family, featuring 80KB (40K x 16) of enhanced Flash program memory, 3.25KB of SRAM, and 1KB of EEPROM in a 40-pin PDIP (DIP-40) through-hole package. It operates at up to 40 MHz, supports an operating voltage range of 2.0V to 3.6V (LF/low-voltage variant), and integrates a 10-bit Analog-to-Digital Converter plus an Enhanced CAN (ECAN) module for robust industrial networking. An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control. PIC18F-series MCUs are CISC-architecture 8-bit cores from Microchip, widely used in automotive body electronics, industrial control, and consumer appliances. Within the broader taxonomy, the PIC18LF4682 belongs to the PIC18F -> 8-bit MCU -> microcontroller -> embedded computing -> semiconductor family. The LF suffix indicates a low-voltage core that operates down to 2.0V, in contrast to the standard F variant which operates down to 4.2V. Key features include nanoWatt technology for low-power Sleep and Idle modes, an enhanced CAN 2.0B controller with acceptance filters, an enhanced USART, MSSP (SPI/I2C), and up to 36 I/O pins. The 80KB Flash supports self-programming under firmware control, enabling in-field bootloaders, and the 10-bit ADC provides up to 11 channels with acquisition-time control. The PIC18F4682 architecture uses a 16-bit instruction word with an 8-bit data path, offering 1MIPS/MHz performance and a hardware multiply engine. Peripherals are mapped via SFRs with context-switching support for RTOS use, and the ECAN module provides bit-stuffing, acceptance filtering, and bus-fault diagnostics for ISO 11898 networks. Typical applications include CAN-based industrial sensor nodes, automotive body and chassis ECUs, HVAC control boards, motor-control front-ends, and battery-powered metering. The 40-PDIP package supports hand-soldered prototyping and through-hole production runs. When designing, verify that the supply rail stays within 2.0V-3.6V across temperature; the LF core does not tolerate 5V. Use Microchip's MPLAB X IDE and the MPLAB ICD 3 or PICkit 5 for programming. Provide a 0.1uF decoupling capacitor within 5 mm of each VDD/VSS pair. This page synthesizes distributor pricing, same-brand drop-in alternatives, and design notes not found on the manufacturer datasheet, optimized for engineers evaluating the PIC18LF4682-I/P for new designs or field replacements.

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PIC18LF4685-I/ML - 8-bit 40MHz MCU 96KB Flash ECAN 44-QFN | Microchip
PIC18LF4685-I/ML

PIC18LF4685-I/ML - 8-bit 40MHz MCU 96KB Flash ECAN 44-QFN | Microchip

The Microchip Technology PIC18LF4685-I/ML is an 8-bit PIC® RISC microcontroller with 40 MHz (10 MIPS) core speed, 96 KB (48K x 16) of Flash program memory, 3 KB of SRAM and 1 KB of EEPROM, housed in a 44-pin QFN (8 mm x 8 mm) package with an exposed thermal pad. The device integrates a 10-bit ADC, an ECAN™ (Enhanced CAN) module, nanoWatt Technology power management, and an instruction set optimized for C-compiled code. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The 8-bit PIC® family sits in the low-power, deterministic-control segment of the MCU market, between 4-bit legacy controllers and 16/32-bit Cortex-M devices, and is widely used for cost-sensitive embedded control, sensor interfacing, and automotive/industrial communication via CAN. The PIC18LF4685 specifically targets low-voltage (LF = 2.0–3.3 V) designs that require CAN connectivity. Key features include 10 MIPS throughput, hardware ECAN 2.0B, 10-bit ADC up to 100 ksps with up to 11 channels, nanoWatt Technology with multiple idle/sleep modes, an 8 x 8 hardware multiplier, and an ICD (In-Circuit Debug) interface. The wide operating voltage of 2.0–3.3 V and extended industrial temperature range (-40 °C to +85 °C) make the part suitable for battery-powered and automotive-grade designs. The architecture is a Harvard-modified RISC core with separate program and data buses, 31-level hardware stack, and 75+ instructions including hardware multiply. The ECAN module supports both standard and extended identifiers with acceptance filters, while the 10-bit ADC uses an internal sample-and-hold and can be auto-triggered from timers or PWM edges, reducing CPU overhead in motor-control and sensor-conditioning loops. Typical applications include automotive ECAN nodes (body control, instrument clusters, sensor interfacing), industrial CAN-based distributed control, low-power sensor hubs, and consumer appliances requiring CAN connectivity. The combination of Flash self-programmability and robust peripherals makes it suitable for designs that must be field-upgradable over the CAN bus. When designing with this device, ensure that the CAN bus termination, transceiver (e.g. MCP2551), and stub length are matched to the chosen bit rate (up to 1 Mbps). For low-power operation, use nanoWatt sleep modes and verify ADC sampling times against the chosen analog source impedance to avoid linearity errors. This page synthesizes distributor pricing, same-brand drop-in alternatives (notably PIC18LF4585-I/ML in the same 44-QFN footprint), and practical CAN/ECAN design notes not found in the manufacturer datasheet.

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PIC18LF4685-I/P - 8-bit 40MHz 96KB Flash MCU w/ECAN | Microchip
PIC18LF4685-I/P

PIC18LF4685-I/P - 8-bit 40MHz 96KB Flash MCU w/ECAN | Microchip

The Microchip Technology PIC18LF4685-I/P is an 8-bit PIC18F-family flash microcontroller (MCU) running at up to 40 MHz with 96 KB of on-chip flash program memory, 3 KB of SRAM, and 1 KB of EEPROM, housed in a 40-pin PDIP through-hole package. It integrates a 10-bit multi-channel ADC, an Enhanced CAN (ECAN) module, nanoWatt power management, and the rich PIC18 peripheral set (CCP/ECCP, MSSP SPI/I2C, USART, comparators). The 'LF' prefix denotes the 2.0 V to 3.8 V low-voltage process variant intended for low-power and battery-fed designs, and the -I suffix confirms the -40C to +85C industrial operating range. What is a PIC18F flash MCU? The PIC18F family is Microchip's high-end 8-bit microcontroller line, combining an enhanced RISC architecture with on-chip flash, nanoWatt power-saving modes, and integrated peripherals. PIC18 microcontrollers sit in the hierarchy as follows: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. They are widely deployed where deterministic performance, low power, and easy in-circuit reprogrammability are required. Key features of the PIC18LF4685 include 75 instructions with 16-bit instruction width, hardware multiplier for 8x8 unsigned multiplication in one cycle, ECAN controller for automotive and industrial networking, and nanoWatt features such as alternate oscillator modes, sleep current in the microamp range, and selective peripheral disable. The 40-pin PDIP package exposes up to 36 I/O pins depending on peripheral configuration, with 13 ADC channels and 2 comparators on-chip. Typical applications include CAN-based industrial automation nodes, automotive body and chassis modules running on 12 V rails, low-power sensor hubs, and small appliance controllers. The wide operating voltage and broad peripheral set also make it suitable for building automation and HVAC peripherals where robust field communication is required. When designing with this part, ensure the supply stays within 2.0 V to 3.8 V for the 'LF' process; running above 3.8 V requires the PIC18F4685 (standard 'F' process). Decouple VDD with 100 nF plus bulk capacitance, and configure the ECAN baud-rate and oscillator carefully per the Microchip CAN bit-timing guide. In-circuit serial programming (ICSP) via PGD/PGC is supported through dedicated pins. This page synthesizes distributor pricing, same-package drop-in alternatives drawn from the Site MPN list, comparison data, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for procurement and design decisions.

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PIC18LF4685-I/PT - 8-Bit MCU, 96KB Flash, ECAN, TQFP-44 | Microchip
PIC18LF4685-I/PT

PIC18LF4685-I/PT - 8-Bit MCU, 96KB Flash, ECAN, TQFP-44 | Microchip

The Microchip Technology PIC18LF4685-I/PT is a high-performance 8-bit PIC18 microcontroller with 96KB of Flash program memory, 3.25KB of RAM, and 1KB of EEPROM, integrated into a 44-pin TQFP (10x10 mm) package. It belongs to the PIC18F46xx family and features an enhanced CAN (ECAN) module, a 10-bit ADC with up to 13 channels, and nanoWatt power management technology for low-power applications. The CPU core is a RISC architecture delivering up to 10 MIPS at 40 MHz operation, supported by a 16-bit instruction set and hardware multiplier. A microcontroller (MCU) is a single-chip computer containing a processor, memory, and peripherals designed for embedded control. Within the semiconductor hierarchy, an 8-bit MCU like the PIC18LF4685 occupies the tier below 32-bit microcontrollers (e.g., ARM Cortex-M) and above simple programmable logic, optimized for cost-sensitive, deterministic control loops. The PIC18 family specifically targets applications needing CAN networking, analog integration, and automotive-grade reliability in a single device. Key features of the PIC18LF4685 include a wide operating voltage range of 2.0V to 5.5V (LF variant), nanoWatt technology for sleep currents below 100 nA, and an enhanced CAN 2.0B module supporting both standard and extended identifiers. The 10-bit ADC supports up to 13 input channels with auto-acquisition, while hardware PWM modules include Capture/Compare/PWM (CCP) and Enhanced CCP (ECCP) peripherals. The device integrates an 8x8 hardware multiplier, multiple serial protocols (I2C, SPI, USART with IrDA), and supports In-Circuit Serial Programming (ICSP) for field updates. The PIC18LF4685 architecture uses a 16-bit modified Harvard structure with separate program and data buses, enabling single-cycle instruction execution with a two-stage pipeline. The ECAN module includes acceptance filters, masks, and time-stamping, making the MCU suitable for industrial and automotive networked nodes. nanoWatt features like Sleep mode, Idle mode, and selective peripheral shutdown reduce quiescent current for battery-backed designs, while the on-chip 32 kHz oscillator supports real-time clock operation without external crystals. Typical applications include automotive body and powertrain ECUs, industrial CAN nodes, sensor interface boards, and motor control subsystems. The combination of ECAN, ADC, and PWM peripherals enables single-chip BLDC motor controllers, HVAC actuators, and OBD-II diagnostic interfaces. The LF voltage range (2.0V-3.6V typical, 5.5V max) makes it compatible with 3.3V and 5V mixed-signal designs. When designing with this device, ensure the CAN bus is terminated with 120-ohm resistors at both ends of the segment. Decouple VDD with at least 100 nF ceramic capacitors placed within 5 mm of the power pins, and use a dedicated ground plane to minimize EMI on the high-speed CAN lines. The MCLR pin should be pulled high through a 10 kohm resistor unless external reset is required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes from Microchip datasheet DS39661B, going beyond the manufacturer datasheet alone.

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PIC18LF4685T-I/ML - 96KB Flash 40MHz 8-bit MCU | Microchip
PIC18LF4685T-I/ML

PIC18LF4685T-I/ML - 96KB Flash 40MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF4685T-I/ML is a 96 KB Flash, 8-bit RISC microcontroller from the PIC18F family, operating up to 40 MHz in a 44-pin QFN (8x8 mm) exposed-pad package with tape-and-reel packaging. The LF variant extends operating voltage from 2.0 V down for low-power portable applications while retaining the standard 4.2 V to 5.5 V industrial range, and integrates 3 KB of SRAM plus 1 KB of EEPROM for non-volatile parameter storage. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control in embedded systems. Within the broader semiconductor hierarchy, the PIC18F family sits between 16-bit PIC24/dsPIC devices and lower-pin-count PIC16 parts, targeting mid-range CAN-enabled and motor-control designs. The PIC18LF4685T-I/ML belongs to the power-managed LF sub-family, which adds nanoWatt technology for sleep currents under 100 nA typical, making it suitable for battery-powered industrial nodes. Key features include the ECAN module (Enhanced Controller Area Network) for automotive and industrial CAN 2.0B communications, a 10-bit ADC with up to 13 input channels and 100 Ksps conversion rate, three CCP/ECCP modules for PWM generation (ideal for motor and power-converter control), and the standard PIC18 peripheral set of USART, MSSP (SPI/I2C), and parallel slave port. The 96 KB Flash program memory (48K x 16 words) supports self-programming under bootloader control, and the 1 KB internal EEPROM enables data logging without external memory. The architecture is an enhanced PIC18 Harvard RISC core with a hardware multiplier (8x8 in one cycle), a 31-level hardware stack, and vectored interrupts. Two prioritized interrupt controllers and peripheral pin select (PPS) simplify mixed-signal PCB routing. The instruction set is fully backward-compatible with the PIC16 family, allowing legacy code migration. Typical applications include automotive body and chassis ECUs requiring CAN bus connectivity, industrial control nodes on 12-24 V bus systems, BLDC and stepper motor control with three-phase PWM, and smart sensor nodes with on-board EEPROM parameter storage. Designers value the LF variant's 2.0 V minimum Vdd for two-AA-cell powered systems. When designing with this part, allocate the exposed thermal pad (EP) to a continuous ground pour to meet the package's thermal resistance of approximately 22 C/W. Use Microchip's MPLAB X IDE and the PICkit 5 or ICD 4 for in-circuit debug; production programming is supported by MPLAB PM3 or the PICkit 5 standalone mode. This page synthesizes distributor pricing, pin-compatible drop-in alternatives from the PIC18 family, and practical design notes not collected in any single manufacturer datasheet, helping engineers select and source this MCU quickly.

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PIC18LF46J11T-I/ML - 8-Bit 48MHz 64KB Flash MCU | Microchip
PIC18LF46J11T-I/ML

PIC18LF46J11T-I/ML - 8-Bit 48MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18LF46J11T-I/ML is an 8-bit PIC18J-family microcontroller with 64KB Flash, 3.8KB RAM, 34 I/O pins, and a 48MHz (12 MIPS) CPU core, housed in a 44-pin QFN (8x8 mm) package with exposed pad. The 'T' suffix denotes Tape & Reel packaging and the 'I' suffix denotes the -40C to +85C industrial temperature range. The 'LF' prefix indicates the low-voltage (2.0V-3.6V) variant of the PIC18F46J11, designed for nanoWatt XLP (eXtreme Low Power) operation with Deep Sleep current below 100 nA typical. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and peripheral set onto one silicon die. MCUs form the lowest tier of the embedded computing hierarchy and serve as the decision-making core inside cost-sensitive products such as sensor nodes, white goods, and USB peripherals. The 8-bit PIC architecture uses a Harvard RISC design with a single accumulator and a hardware multiplier, optimized for deterministic interrupt response and low code size per instruction. The PIC18LF46J11 features Peripheral Pin Select (PPS), allowing most digital peripherals to be remapped to any I/O pin via software configuration, which simplifies routing in mixed-signal designs. It includes a 10-bit ADC with up to 13 channels, two analog comparators, two CCP/ECCP modules, four 16-bit timers, two I2C/SPI ports, and two enhanced USART modules. Communication interfaces include I2C, SPI, and UART/USART, enabling direct connection to sensors, displays, EEPROM, and host processors without external glue logic. The 64KB self-programmable Flash supports run-time firmware updates via ICSP (In-Circuit Serial Programming) or the on-chip bootloader, while the 3.8KB RAM and 256-byte EEPROM provide ample scratch space for protocol stacks. Power management features include nanoWatt XLP technology, idle/doze/sleep modes, ultra-low-power wake-up, and a Deep Sleep mode with RTC retention. Typical applications include industrial sensor interfaces, USB device peripherals, energy harvesting controllers, low-power wireless sensor nodes, and small-form-factor consumer electronics. The wide VDD range makes it compatible with both single-cell Li-ion and 3.3V regulated rails. When designing with the PIC18LF46J11, leave thermal relief around the exposed pad (EP) of the QFN-44 package to ensure ground continuity and reduce die-to-PCB thermal resistance; missing EP soldering is a common reliability issue with QFN parts. Use MPLAB X IDE with XC8 compiler for code development, and budget PPS remapping early in schematic capture because most peripherals are pin-flexible.

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PIC18LF46J11T-I/PT - 8-bit 48MHz 64KB Flash MCU | Microchip
PIC18LF46J11T-I/PT

PIC18LF46J11T-I/PT - 8-bit 48MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18LF46J11T-I/PT is an 8-bit PIC18 microcontroller with nanoWatt XLP technology, delivering 12 MIPS throughput at 48 MHz CPU speed while consuming very low active and sleep currents. It integrates 64 KB of Flash program memory (32K x 16) and 3.8 KB of RAM, and is housed in a 44-pin TQFP (10x10 mm) package with 34 user I/O pins. What is an 8-bit microcontroller? 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 (Flash), volatile data memory (RAM), and a rich set of peripherals such as timers, ADC, communication interfaces, and I/O. Within the broader semiconductor taxonomy, an MCU is a sub-class of microcontroller -> microprocessor -> digital IC -> semiconductor. The PIC18F/LF family from Microchip is widely used in cost-sensitive embedded applications where deterministic real-time performance, low power, and a stable peripheral set are required. Key features of the PIC18LF46J11T-I/PT include: a high-performance RISC architecture with 16-bit wide instructions and 8-bit data path; an internal 31 kHz to 8 MHz oscillator with PLL up to 48 MHz; multiple low-power sleep modes (Deep Sleep, Run, Idle, Doze); Peripheral Pin Select (PPS) for flexible signal routing; hardware peripherals including 12-bit ADC, multiple PWM outputs, comparators, and enhanced USART, SPI, and I2C; and a wide operating voltage range suitable for 2.0 V to 3.6 V (LF variant) battery-powered designs. The 'LF' prefix indicates low-voltage Flash (F) operation, while the 'T' suffix denotes Tape and Reel packaging and 'I' indicates the -40C to +85C industrial temperature range. Architecturally, the PIC18LF46J11 uses a 16-bit instruction word with an 8-bit data path and a hardware multiplier, allowing single-cycle MAC operations and efficient C compilation. The device implements nanoWatt XLP technology, providing sub-uA Deep Sleep current and RTC operation directly from a coin cell. The integrated Peripheral Pin Select (PPS) remaps most digital peripherals to any user I/O, dramatically simplifying PCB layout when changing pin assignments. Typical applications include USB device/host peripherals, graphics and segment LCD driving, industrial sensor hubs, low-power portable instruments, and consumer devices that require rich connectivity (USB, I2C, SPI) within a small board footprint. Compared to Cortex-M0+ MCUs, the PIC18LF46J11T-I/PT offers deterministic interrupt latency and a small, mature toolchain (MPLAB X, XC8). Where to download the datasheet PDF: the manufacturer product page links directly to the official PDF. When designing with this device, ensure that VDD decoupling (100 nF + bulk) is placed within 5 mm of each supply pin, and verify that the chosen LF operating voltage (2.0 V to 3.6 V) matches your battery or LDO output. Retention and endurance of the on-chip Flash follow the manufacturer datasheet figures, not estimates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with an at-a-glance decision matrix for selecting the PIC18LF46J11T-I/PT versus its 44-pin TQFP family peers.

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PIC18LF46J13-I/ML - 8-bit 48MHz XLP 64KB Flash MCU 44-QFN
PIC18LF46J13-I/ML

PIC18LF46J13-I/ML - 8-bit 48MHz XLP 64KB Flash MCU 44-QFN

The Microchip Technology PIC18LF46J13-I/ML is an 8-bit PIC18 microcontroller belonging to the PIC18 J-series family, featuring nanoWatt XLP (eXtreme Low Power) technology. It operates at up to 48 MHz (12 MIPS) from a 2.0 V to 3.6 V supply, integrating 64 KB of Flash program memory and 4 KB of RAM in a 44-pin QFN (8x8 mm) package. The part is qualified for the industrial -40C to +85C temperature range (I-grade). An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, memory, and peripherals into a single silicon die. The PIC18F/LF family uses a modified Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, positioned in Microchip's lineup between the 16-bit PIC24/dsPIC and the baseline 8-bit PIC10/12/16 series. The J-series adds ultra-low-power sleep modes (XLP, <100 nA typical) and peripheral-rich I/O - the PIC18LF46J13 specifically targets battery-powered and energy-harvesting designs where the LF (low-voltage) variant's 2.0 V minimum is required. Key differentiating features include 64 KB self-programmable Flash, 4 KB RAM, 40 digital I/O pins, two SPI, two I2C, and two USART/EUSART channels, plus a 12-bit ADC with up to 13 channels. The XLP technology delivers typical sleep currents below 100 nA with RTC running, making the LF46J13 well suited for products that spend most of their life in deep sleep. The on-chip RTCC (Real-Time Clock and Calendar) module eliminates the need for an external RTC in many designs, further reducing BOM cost. Architecturally, the PIC18LF46J13 uses a 2-stage pipeline with hardware multiply, an 8x8 hardware multiplier, and CLC (Configurable Logic Cell) peripherals for glueless logic integration. The CTMU (Charge Time Measurement Unit) enables capacitive touch sensing without an external IC. The peripheral set is anchored by five 16-bit timers, two comparators with DAC reference, and an enhanced PWM with up to 9 outputs. Programming is supported through ICSP (In-Circuit Serial Programming) and JTAG boundary scan. Typical applications include battery-powered sensor nodes, portable medical devices, remote controls, smart metering, HVAC thermostats, wearable fitness bands, and IoT edge nodes. Industrial designs leverage the -40C to +85C operating range and 5V-tolerant digital inputs (within the 3.6 V VDD limit). Design consideration: pair the LF46J13 with a low-quiescent LDO (such as Microchip MCP1700) and an external 32.768 kHz crystal on SOSCO/SOSCI pins to achieve RTC accuracies within +/-20 ppm. For capacitive touch, route sensor traces with grounded guard rings and keep I/O drive strength at the lowest setting that meets response time. This page synthesizes distributor pricing, drop-in same-family alternatives, and XLP design notes that are not consolidated in the manufacturer datasheet.

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PIC18LF46J13-I/PT - 8-bit XLP 48MHz MCU 64KB Flash | Microchip
PIC18LF46J13-I/PT

PIC18LF46J13-I/PT - 8-bit XLP 48MHz MCU 64KB Flash | Microchip

The Microchip Technology PIC18LF46J13-I/PT is a low-power 8-bit PIC microcontroller from the PIC® XLP™ 18J family, featuring 64KB (32K x 16) of Flash program memory, 3.8KB RAM, and 48MHz (12 MIPS) CPU performance in a 44-pin TQFP (10x10mm) package. Operating from 2.0V to 3.6V, the device delivers ultra-low-power nanoWatt XLP technology with deep sleep currents in the nanoampere range. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, and a rich set of peripherals on a single silicon die. PIC microcontrollers use a RISC (Reduced Instruction Set Computer) Harvard architecture with separate program and data buses, providing deterministic execution and excellent code density. The 'F' series parts (PIC18F) operate from 2.0V–5.5V, while the 'LF' variants (PIC18LF) are optimized for lower-voltage 2.0V–3.6V operation with reduced power consumption, and sit within the broader category hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features include 34 digital I/O pins, a 10/12-bit ADC, multiple PWM modules, I2C/SPI/EUSART communication peripherals, and a 32kHz secondary oscillator for low-power Real-Time Clock operation. The XLP nanoWatt technology provides ultra-low sleep currents suitable for battery-powered designs, and the integrated RTCC (Real-Time Clock and Calendar) with on-chip tuning enables accurate timekeeping without external crystals. The PIC18LF46J13 utilizes Microchip's enhanced mid-range core architecture with hardware multiply and a 16-bit instruction word. Its 48MHz internal oscillator (using a 4x PLL from the 12MHz primary oscillator) provides 12 MIPS throughput, while the on-chip 31kHz low-power oscillator enables sleep-mode operation with minimal current draw. Peripheral pin select (PPS) allows flexible function remapping on selected pins, simplifying PCB layout. Typical applications include low-power wireless sensor nodes, battery-powered IoT devices, portable medical instruments, remote controls, and consumer electronics with USB connectivity. The wide range of peripherals (ADC, PWM, RTCC, communication interfaces) also makes it suitable for industrial control, smart meters, and home automation where long battery life is critical. When designing with this part, ensure decoupling capacitors (100nF plus 1-10µF bulk) are placed within 5mm of the VDD pins, and route the analog supply (AVDD/AVSS) separately from digital supply if the ADC is used. The ICSP programming pins (PGD/PGC) must be accessible for in-circuit programming and debugging. This page synthesizes distributor pricing, drop-in replacement alternatives, and practical design notes not found in the manufacturer datasheet alone.

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