Microcontroladores

Productos (18756)

PIC18LF6628T-I/PT - 96KB Flash 8-bit MCU, TQFP-64 | Microchip
PIC18LF6628T-I/PT

PIC18LF6628T-I/PT - 96KB Flash 8-bit MCU, TQFP-64 | Microchip

The Microchip Technology PIC18LF6628T-I/PT is a low-voltage 8-bit PIC18 RISC microcontroller featuring 96KB of Flash program memory, 4KB of SRAM, and 1024 bytes of Data EEPROM, housed in a 64-pin TQFP package supplied on Tape & Reel. It operates across a wide 2.5V/3.3V/5V range and integrates a 12-bit A/D converter with 12 channels, making it well suited for mixed-signal embedded designs where on-chip analog is required. An 8-bit microcontroller (MCU) is a programmable processor that executes instructions on 8-bit data words in a single clock cycle through a RISC architecture. The PIC18 family is Microchip's high-performance 8-bit line, sitting within the broader PIC taxonomy (PIC10/12/16/18/24/32) and providing richer peripherals, larger memory and 16-bit instructions compared to baseline PIC16 devices. The 'LF' prefix indicates a low-voltage flavor engineered for 2.5V-5.5V operation, while the 'F' variants support the full 2.0V-5.5V span. Key features include a 96KB Flash program memory, 4KB SRAM, 1024-byte Data EEPROM for non-volatile data storage, an integrated 12-bit ADC, multiple USART/SPI/I2C interfaces, and capture/compare/PWM modules. The TQFP-64 footprint provides ample GPIO for display, keypad, and sensor interfaces, while the -40C to +85C industrial temperature grade suits factory and outdoor equipment. The PIC18LF6628T-I/PT uses Microchip's enhanced PIC18 Harvard RISC architecture with a modified instruction set that retains code compatibility across the PIC18 family. Internal oscillator options, brown-out reset, and a 10-bit/12-bit ADC pipeline reduce external component count. Typical applications include industrial control panels, HVAC controllers, smart energy meters, medical instrumentation front-ends, and automotive body/comfort modules. The wide voltage range allows direct Li-ion or 3.3V system operation without additional regulation. When designing with this device, pay attention to the in-circuit serial programming (ICSP) pin assignments and reserve RA0/RA1 for analog when using the ADC. Proper decoupling (0.1uF + 10uF) near the VDD pins is critical for ADC accuracy, and unused I/O should be configured as outputs to minimize current draw. This page consolidates distributor pricing, drop-in compatible same-family alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for sourcing and design-in decisions on the PIC18LF6628T-I/PT.

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PIC18LF6680-I/L - 64KB Flash, 40MHz 8-bit MCU, 68-PLCC | Microchip
PIC18LF6680-I/L

PIC18LF6680-I/L - 64KB Flash, 40MHz 8-bit MCU, 68-PLCC | Microchip

The Microchip Technology PIC18LF6680-I/L is an 8-bit PIC18F-family Flash microcontroller running at up to 40 MHz with 64 KB (32K x 16) of on-chip program memory, 3,328 bytes of RAM, and a 68-pin PLCC (J-lead) package. The -LF variant supports a wide 2.0 V to 5.5 V operating range optimized for low-voltage and battery-backed designs while retaining the full peripheral set of the PIC18F6680 family. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a configurable set of digital and analog peripherals. Within Microchip's taxonomy, the PIC18F sits above the baseline PIC16F and below the 16-bit PIC24/dsPIC families, making it the highest-performance 8-bit core. Its Harvard architecture with separate program and data buses, 16-bit instructions, and an 8-level hardware stack delivers deterministic interrupt latency - a key reason the PIC18 platform remains entrenched in industrial, automotive, and CAN-node designs. Key features of the PIC18LF6680-I/L include an integrated CAN 2.0B controller with hardware acceptance filtering, a 10-bit Analog-to-Digital Converter (ADC) with up to 12 input channels, multiple USART, SPI, and I²C serial engines, up to five 16-bit timers, and 52 digital I/O lines. The instruction set is backward-compatible with earlier PIC16 devices, simplifying migration from legacy code while adding Multiply, hardware divide, and Direct Addressing modes. Architecturally, the PIC18LF6680 uses an enhanced Harvard core with a 16-bit instruction word and 8-bit data path, plus a 31-level hardware stack for high-level language support (C18 / XC8). Its Enhanced CAN module offloads the entire CAN 2.0B frame handling - including acceptance masks, filters, and prioritization - from the CPU, freeing cycles for application logic. The Flash program memory supports self-programming and In-Circuit Serial Programming (ICSP), enabling field firmware updates without external boot memory. Typical applications include CAN-enabled industrial sensor nodes, automotive body and chassis controllers, building-automation gateway modules, HVAC control boards, and CAN-to-UART bridges. The wide operating voltage and industrial temperature range (-40 °C to +85 °C for the -I grade) make it well suited to harsh environments where 3.3 V or 5 V rails are present and CAN bus isolation is required. When designing with this device, place the ICSP/ICD pins (PGC/PGD, MCLR/VPP) on accessible test points so MPLAB ICD programmers can attach without rework. The CAN TX/RX pins must be paired with a transceiver (e.g., MCP2551 or MCP2561) - the PIC18LF6680 cannot drive a CAN bus directly. Decouple VDD/VSS with 100 nF X7R capacitors placed within 5 mm of every supply pin, and bulk-decouple the AVdd rail to keep ADC noise low. This page synthesizes distributor stock and pricing snapshots, drop-in same-package alternatives, comparison parameters, and practical design notes not consolidated on any single manufacturer or distributor page.

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PIC18LF6680-I/PT - 8-Bit 40MHz 64KB Flash ECAN MCU | Microchip
PIC18LF6680-I/PT

PIC18LF6680-I/PT - 8-Bit 40MHz 64KB Flash ECAN MCU | Microchip

The Microchip Technology PIC18LF6680-I/PT is an 8-bit RISC microcontroller from the PIC18LF66/67 family operating at up to 40 MHz, integrating 64 KB (32K x 16) of self-programmable Flash program memory and housed in a 64-pin TQFP (10x10 mm) package. It features integrated Enhanced CAN (ECAN), a 10-bit ADC, and Microchip's eXtreme Low Power (XLP) technology, with an industrial operating temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory and integrated peripherals. The PIC18F family uses an enhanced Harvard RISC architecture with 16-bit instruction words and an 8-bit data path, optimized for deterministic interrupt response and low-power embedded control. The PIC18LF6680-I/PT falls within the broader taxonomy: microcontroller -> 8-bit MCU -> PIC18 family -> ECAN-enabled sub-family -> Microchip 8-bit portfolio. Key features include 53 digital I/O pins, 10-bit ADC resolution, 3.25 KB data RAM, hardware ECAN module compliant with CAN 2.0B active, and an operating supply voltage range of 2.0V to 5.5V supporting 2.5V/3.3V/5V rails. The wide voltage range combined with XLP nanoWatt sleep modes (down to sub-microamp currents) makes this MCU suitable for both line-powered industrial nodes and battery-operated sensor platforms. The ECAN peripheral implements CAN 2.0B active with acceptance filters, time-stamping, and bus health diagnostics, allowing peer-to-peer communication at 1 Mbit/s without an external controller. Combined with 64 KB self-programmable Flash and Microchip's ICD/debug support, designers can implement field-upgradeable CAN nodes in automotive, industrial automation, and building-control networks. Typical applications include CAN-based factory automation nodes, automotive body and chassis controllers, building automation (BACnet/HVAC), medical instrumentation data acquisition, and low-power remote sensor platforms. The integrated ECAN eliminates the need for an external CAN transceiver controller, reducing PCB area and BOM cost. Designers should note that migrating between PIC18LF66xx and PIC18LF65xx devices within the same family allows seamless code reuse due to peripheral compatibility. For new designs, consider PIC18F66K80-family parts if extended peripherals or larger RAM are required. This page synthesizes distributor pricing, parametric drop-in alternatives from the same Microchip PIC18LF66xx family, and practical design notes beyond the manufacturer datasheet, providing information gain not found on standalone vendor pages.

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PIC18LF6680T-I/L - 40MHz 8-bit MCU, 64KB Flash, 68-PLCC | Microchip
PIC18LF6680T-I/L

PIC18LF6680T-I/L - 40MHz 8-bit MCU, 64KB Flash, 68-PLCC | Microchip

The Microchip PIC18LF6680T-I/L is an 8-bit PIC18F-family microcontroller operating up to 40 MHz, integrating 64 KB of Flash program memory (32K x 16 words), 3,328 bytes of RAM and 1 KB of EEPROM into a 68-lead PLCC (Plastic Leaded Chip Carrier) package. The 'LF' prefix denotes an extended low-voltage core variant optimized for 2.0 V to 3.6 V operation, while the 'T' suffix indicates Tape & Reel packaging and the 'I' grade specifies an industrial temperature range of -40 °C to +85 °C. A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, peripherals and I/O. The PIC18F family is Microchip's high-performance 8-bit architecture, sitting above the baseline PIC16 line in Flash capacity, peripheral count and instruction throughput, and below the 16-bit dsPIC/PIC24 and 32-bit PIC32 families. PIC18 devices are widely used in industrial control, automotive body and sensor, consumer appliance and embedded-communication designs where deterministic behavior and robust peripherals outweigh raw CPU speed. Key features include 52 digital I/O pins, multiple 16-bit timers, a 10-bit ADC with up to 12 input channels, two analog comparators, two USART modules, MSSP (SPI/I2C), an enhanced CAN module, and a 16-bit wide data path. The 64 KB Flash supports self-programming under firmware control, enabling in-field boot-loader and parameter storage flows. Hardware multipliers and a priority-interrupt controller deliver predictable real-time response. The 'LF' silicon uses Microchip's nanoWatt technology to drop supply current during sleep into the nanoamp range while retaining RAM and interrupt logic, an important trait for battery-backed or always-on sensor nodes. Combined with the on-chip ECAN controller, this device is a strong fit for industrial fieldbus and CAN-based distributed systems where the host processor must wake quickly on bus traffic and return to low-power idle between events. Typical applications include industrial CAN node endpoints, sensor and meter reading modules, automotive body-electronics sub-modules, building-automation controllers, and general-purpose 8-bit embedded platforms requiring more memory and I/O than a 28- or 40-pin PIC18 can supply. When designing with the PIC18LF6680T-I/L, respect the 68-PLCC through-hole land pattern; the PLCC package is preferred for sockets, field replacement and high-reliability applications, but requires plated through-holes that differ from surface-mount footprints.

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PIC18LF6680T-I/PT - 8-bit 40MHz MCU, 64KB Flash, 64-TQFP | Microchip
PIC18LF6680T-I/PT

PIC18LF6680T-I/PT - 8-bit 40MHz MCU, 64KB Flash, 64-TQFP | Microchip

The Microchip Technology PIC18LF6680T-I/PT is a low-power 8-bit PIC microcontroller built on the enhanced PIC18 instruction set architecture, delivering up to 40 MHz (10 MIPS) core performance with 64 KB (32K x 16) of on-chip Flash program memory and 3.3 KB of RAM, housed in a 64-pin TQFP (10x10 mm) surface-mount package. The 'LF' designation indicates a wide operating voltage range of 2.0 V to 5.5 V with optimized low-power characteristics, while the 'T' suffix indicates tape-and-reel packaging, and 'I/PT' denotes industrial temperature grade (-40°C to +85°C) in TQFP. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of programmable peripherals into one IC. The PIC18 family is Microchip's mid-range 8-bit line, positioned between the baseline PIC10/12/16 series and the 16-bit PIC24/dsPIC families, optimized for cost-sensitive embedded control with deterministic interrupt response. Key features of this device include 1 KB of EEPROM data memory, a 10-bit Analog-to-Digital Converter (ADC) with up to 12 input channels, multiple Enhanced USART, I2C, and SPI serial interfaces, a 16-bit capture/compare/PWM module, an integrated CAN 2.0B controller, and a hardware 8x8 multiplier supporting single-cycle operations. The 64-pin TQFP package exposes 52 digital I/O pins, providing ample connectivity for mixed-signal sensor hubs and communication bridges. Architecturally, the PIC18LF6680 uses a RISC-style Harvard bus with separate program and data memory paths, a 16-bit instruction word, and an 8-bit data path. The 40 MHz oscillator drives a 4-phase clock pipeline achieving 10 MIPS throughput, while nanoWatt technology enables deep sleep currents below 1 µA in idle modes. The integrated CAN module (ECAN™) provides 2.0B active compliance with hardware acceptance filters. Typical applications include CAN-based industrial automation nodes, automotive body and chassis controllers, building automation sensor gateways, HVAC control boards, and embedded sensor hubs requiring reliable low-power operation with mixed-signal I/O. The wide 2.0 V to 5.5 V supply tolerance also makes it suitable for battery-backed systems. When designing with this MCU, ensure decoupling capacitor placement follows Microchip's TQFP-64 reference layout with 100 nF ceramics near each power pin. Reserve the ICSP/ICD pins (PGC/PGD) for in-circuit programming access, and route the CAN TX/RX lines with characteristic impedance matching for reliable bus operation above 125 kbps. This page synthesizes distributor stock data, drop-in compatible replacements within the PIC18LF family, application design guidance, and parametric comparison tables not consolidated in the standalone Microchip datasheet.

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PIC18LF66K40-E/MR - 64KB Flash 8-bit XLP MCU 64-VQFN | Microchip
PIC18LF66K40-E/MR

PIC18LF66K40-E/MR - 64KB Flash 8-bit XLP MCU 64-VQFN | Microchip

The Microchip Technology PIC18LF66K40-E/MR is an 8-bit PIC microcontroller from the PIC18 XLP family, delivering 64 MHz CPU performance, 64 KB Flash program memory and 64-pin VQFN (9x9 mm) packaging. It is designed for low-power and CAN-connected embedded designs with a wide 1.8 V to 5.5 V operating voltage range and integrated Core Independent Peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of digital, analog, and communication peripherals into one package. The PIC18 family extends Microchip's 8-bit architecture with a 16-bit instruction word, hardware multiplier, and Linear Program Memory model up to 128 KB, while XLP (eXtreme Low Power) variants add nanoWatt technology such as ultra-low sleep current, peripheral module disable, and multiple low-power sleep modes. In a typical system hierarchy, an MCU sits above bare 8-bit CPU cores and below 16/32-bit MCUs in compute capability, but excels at deterministic I/O response and ultra-low standby power. Key features include 64 KB Flash, 4 KB RAM, 1 KB EEPROM, 64 MHz internal oscillator, 1.8 V to 5.5 V VDD, integrated ECAN module, up to 7 PWM channels, 12-bit ADC with Computation (ADCC), Zero-Cross Detect, Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Peripheral Pin Select (PPS), and Hardware Capacitive Voltage Divider (CVD). XLP technology delivers typical sleep currents below 50 nA with RTCC enabled, enabling battery-powered products to run for years on a single cell. Architecturally the PIC18LF66K40 uses a Harvard bus with separate code and data paths, a 16-bit instruction set with 8-bit data paths, and a hardware multiply/divide engine that accelerates math for sensor processing and motor control loops. Core Independent Peripherals such as CWG, WWDT, and Hardware CVD operate without CPU intervention, freeing the core for application logic and reducing firmware complexity. The 12-bit ADCC supports averaging, oversampling, threshold comparisons, and automatic accumulators. Typical applications include industrial CAN nodes (sensor hubs, motor drives, building automation), low-power IoT sensors, automotive body and climate subsystems, consumer white goods with touch interfaces, portable medical monitors, and USB-CDC/HID bridges. The wide 1.8 V to 5.5 V range allows direct connection to single-cell Li-ion or 3.3 V/5 V regulated rails without additional level shifters. When designing with this device, ensure that the PPS mapping is finalized before pin assignment to avoid costly PCB respins, and budget for an external CAN transceiver such as the MCP2551 or MCP25625 since the ECAN module only handles the protocol layer. Decouple VDD with at least 100 nF and 10 uF ceramic capacitors placed within a few millimetres of the supply pins. This page synthesizes distributor pricing, drop-in 64-pin QFN alternatives from the same PIC18 K40 family, and practical design notes that go beyond the manufacturer datasheet. According to the manufacturer datasheet, the PIC18LF66K40 is part of a broader K40 family pin-compatible roadmap, allowing firmware development to scale across 28/40/44/64/80-pin variants with shared peripheral libraries and migration paths.

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PIC18LF66K40-E/PT - 8-bit 64KB Flash 64-Pin TQFP MCU | Microchip
PIC18LF66K40-E/PT

PIC18LF66K40-E/PT - 8-bit 64KB Flash 64-Pin TQFP MCU | Microchip

The Microchip Technology PIC18LF66K40-E/PT is an 8-bit PIC18 XLP microcontroller with 64KB Flash, 4KB RAM and 256B EEPROM running at 64MHz, housed in a 64-pin TQFP (10x10 mm) package. It operates from 1.8V to 3.6V (LF variant) and is built on Microchip's eXtreme Low Power (XLP) technology platform, designed for battery-friendly applications. The device combines rich Core Independent Peripherals (CIPs) with high-performance analog for general-purpose embedded designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), non-volatile EEPROM, and a range of peripheral interfaces. Within Microchip's hierarchy, the PIC18LF66K40 belongs to the PIC18 family -> PIC XLP -> 8-bit PIC microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. The "LF" prefix indicates the low-voltage (1.8V-3.6V) process variant, complementing the higher-voltage "F" PIC18F66K40 (2.3V-5.5V) version of the same die. Key differentiating features include: 64KB Flash program memory organized as 32K x 16, 4KB SRAM, 256B EEPROM, hardware CRC/SCAN memory checker, Windowed Watchdog Timer (WWDT), Complementary Waveform Generator (CWG), Zero-Cross Detect (ZCD), 10-bit ADC2 with Computation, 5-bit DAC, multiple communication peripherals (EUSART, SPI, I2C) with Peripheral Pin Select (PPS), and PWM/CCP/Capture-Compare modules. The XLP designation provides nanoWatt sleep currents below 50 nA typical in sleep mode. Architecturally, the PIC18LF66K40 employs an enhanced RISC Harvard-bus core with a hardware multiplier, 31-level stack, and 16-bit instruction width. The "-E" suffix indicates the extended (-40C to +125C) operating temperature range for industrial and automotive under-hood applications, while "/PT" denotes the TQFP-64 (10x10 mm) package style with gull-wing leads suitable for surface-mount assembly. Typical applications include IoT sensor nodes, low-power wireless modules, industrial control, automotive body electronics, home appliance control, battery-powered instrumentation, and consumer white goods. The 64-pin TQFP provides generous I/O count for richer peripheral allocation, and PPS allows flexible pin remapping. Designers should consider that the LF variant cannot operate above 3.6V on VDD - if 5V rails are present in the system, level translation is required. The XLP low-power modes require careful peripheral gating to achieve the 50 nA sleep target, and programming/debug interfaces are available via ICSP (In-Circuit Serial Programming). This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF66K40-I/MR - 64KB Flash 8-Bit MCU 64MHz XLP | Microchip
PIC18LF66K40-I/MR

PIC18LF66K40-I/MR - 64KB Flash 8-Bit MCU 64MHz XLP | Microchip

The Microchip Technology PIC18LF66K40-I/MR is an 8-bit PIC18 XLP eXtreme Low Power microcontroller featuring 64KB (32K x 16) of Flash program memory, 3.56KB of RAM, and a maximum CPU clock of 64MHz, housed in a 64-pin 9x9 mm VQFN package with exposed thermal pad. It integrates ECAN, a 10-bit ADC with computation, Core Independent Peripherals (CIPs) including CWG, WWDT, CRC/Memory Scan, and PWM/CCP modules. An 8-bit microcontroller (MCU) is a single-chip computer that fetches, decodes, and executes instructions 8 bits at a time, optimized for deterministic real-time control with predictable interrupt latency. Within the broader taxonomy, the PIC18LF66K40 sits in the hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The LF prefix denotes the low-voltage process variant (1.8V to 3.6V) optimized for XLP operation, distinguishing it from the F variant (2.3V to 5.5V) which trades low-voltage flexibility for higher 5V tolerance. Key features include 60 I/O pins with 25mA source/sink per pin, integrated ECAN bus controller supporting CAN 2.0B, Signal Measurement Timer (SMT), Configurable Logic Cells (CLC), Numerically Controlled Oscillator (NCO), and Data Signal Modulator (DSM). XLP technology delivers nanoWatt sleep modes with typical currents in the nanoamp range, dramatically extending battery life in power-constrained applications. The device also supports up to four 16-bit PWM outputs, multiple UART/SPI/I2C interfaces, and hardware CRC for memory integrity. Architecturally, the PIC18LF66K40 uses an enhanced Harvard RISC core with a hardware multiplier, 31-level deep stack, and vectored interrupt controller. The integrated CIPs (Configurable Logic Cells, CWG, NCO, DSM) allow autonomous peripheral operation without CPU intervention, offloading tasks such as waveform generation, signal conditioning, and frequency synthesis to dedicated hardware. This frees the CPU for application-level processing and reduces firmware complexity. Typical applications include industrial sensor nodes, IoT edge devices, battery-powered instrumentation, CAN bus nodes, HVAC controls, white goods, and small appliances. The wide peripheral set and XLP technology make it well-suited for any application requiring long battery life combined with rich connectivity. When designing with this MCU, ensure the VQFN exposed pad is soldered to a sufficient copper pour for thermal dissipation and electrical grounding. For ECAN applications, a CAN transceiver IC (such as MCP2551 or MCP2562) is required between the MCU and the physical bus. Decoupling capacitors must be placed as close as possible to all VDD/VSS pairs, and unused I/O pins should be configured as outputs low to minimize leakage. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that supplement - but do not replace - the manufacturer datasheet.

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PIC18LF66K40-I/PT - 64KB Flash 8-Bit XLP MCU 64-TQFP | Microchip
PIC18LF66K40-I/PT

PIC18LF66K40-I/PT - 64KB Flash 8-Bit XLP MCU 64-TQFP | Microchip

The Microchip Technology PIC18LF66K40-I/PT is an 8-bit PIC18 microcontroller with 64KB of Flash program memory, 64-pin TQFP (10x10 mm) package, and 64 MHz CPU speed. The device integrates Microchip's eXtreme Low Power (XLP) technology with a wide 1.8V to 5.5V operating voltage range and low sleep current for battery-driven applications. According to the verified Microchip product family page for PIC18(L)F66K40, this 64-pin device family combines large Flash/EE/RAM memory, rich peripheral integration, XLP and 5V support to suit general-purpose applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, EEPROM, SRAM), peripherals, and I/O into one IC. Within that hierarchy, the PIC18LF66K40 belongs to the 8-bit MCU class (PIC18 core with modified Harvard architecture), then to the PIC18 K40 sub-family (low-power XLP family), and finally to the PIC18LF66K40 product line. This taxonomy matters for engineers selecting pin-compatible successors and for distributors organizing inventory. The 'LF' prefix indicates the low-voltage F-variant (1.8V-3.6V core); the 'F' (no L) variant PIC18F66K40 runs up to 5.5V. Key features include 64KB Flash (32K x 16 words), 3.5KB RAM, integrated ECAN, multiple EUSART/I2C/SPI interfaces, 44 channels of 10-bit ADC, a 5-bit DAC, Core Independent Peripherals such as CWG and WWDT, and CRC/Memory scan. The I-grade operating temperature is -40C to +85C. The TQFP-64 (PT) package provides 54 usable I/O pins after power and ground allocation, suitable for mixed-signal designs that need both analog input density and digital connectivity. The PIC18LF66K40 architecture uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier, 16-bit instruction path, and C-optimized instruction set. The internal 64 MHz oscillator, 4x PLL, and instruction-cycle timing of 4 clocks give effective 16 MIPS throughput, adequate for sensor fusion, motor control loops, and protocol bridging. The XLP sleep modes draw nanoamp-class currents, enabling years of operation from a single coin cell in duty-cycled applications. Typical applications include low-power IoT sensor nodes, industrial control with ECAN-based fieldbus nodes, USB-CAN bridges, automotive body controllers (non-safety subsystems), home automation, smart metering, battery-powered medical monitors, and capacitive-touch user interfaces using the mTouch peripheral. Designers favor this MCU when low sleep current and 5V-tolerant I/O are both required. When designing with this device, allocate decoupling capacitors on every VDD/VSS pair, route the ECAN signals as a differential pair with 120 ohm termination, and verify that the chosen XLP sleep mode meets wake-up latency constraints. The internal 32 kHz oscillator (LFINTOSC) or Timer1 clock source should be selected before relying on RTC-like functionality. This page synthesizes the manufacturer datasheet specification set, current distributor stock and price tiers, drop-in package-compatible alternatives, and practical design notes that are not consolidated on a single manufacturer or distributor page.

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PIC18LF66K40T-I/PT - 8-Bit XLP MCU, 64KB Flash, 64MHz, TQFP-64 | Microchip
PIC18LF66K40T-I/PT

PIC18LF66K40T-I/PT - 8-Bit XLP MCU, 64KB Flash, 64MHz, TQFP-64 | Microchip

The Microchip PIC18LF66K40T-I/PT is an 8-bit PIC18 microcontroller from the eXtreme Low Power (XLP) family with 64KB Flash, 4KB RAM, and 1KB EEPROM, packaged in a 64-pin TQFP (10x10 mm). It integrates a 10-bit ADC, 5-bit DAC, comparators, PWM, CWG, SMT, and Windowed WDT, and runs at up to 64MHz over a 1.8V to 3.6V supply range. An 8-bit microcontroller (MCU) is a compact processor that integrates CPU, RAM, non-volatile program memory, and peripherals on a single die. PIC18 "LF" devices operate at lower voltages (1.8V-3.6V) than standard PIC18 "F" parts (2.3V-5.5V), making them ideal for battery-powered designs. The XLP family hierarchy is: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Core Independent Peripherals (CIPs) handle tasks in hardware without waking the CPU. Key differentiating features include eXtreme Low Power technology with a deep-sleep current below 100 nA, integrated ECAN module for automotive/industrial networking, Peripheral Pin Select (PPS) for flexible I/O mapping, and the aforementioned CIPs (CWG, SMT, WWDT, CRC/SCAN) that reduce firmware overhead. Up to 60 I/O pins are available thanks to the 64-pin TQFP package. Architecturally, the PIC18LF66K40 uses a 16-bit modified Harvard architecture with a 32-level stack, hardware multiplier, and 8x8 hardware multiply. The CIPs - including CWG (Complementary Waveform Generator), SMT (Signal Measurement Timer), and Windowed Watchdog Timer - offload timing-critical tasks from the CPU, reducing both code size and active current consumption. The 64MHz internal oscillator eliminates the need for an external crystal in many designs. Typical applications include low-power IoT sensor nodes, automotive body and CAN nodes, industrial HMI and control panels, battery-powered medical devices, and consumer appliances requiring touch or PWM control. The wide operating voltage and ECAN module make it particularly suitable for 3.3V automotive body controllers. When designing with this part, select the LF variant when your system runs at 3.3V or below (coin-cell, Li-ion, or 3.3V regulated rails). For 5V rails, choose the PIC18F66K40T-I/PT variant. Ensure PPS is configured before peripheral activation to avoid pin contention. This page synthesizes distributor pricing, same-brand drop-in alternatives (e.g., PIC18LF66K40-E/PT), and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF66K80T-I/PT - 64KB Flash, 64MHz 8-bit MCU | Microchip
PIC18LF66K80T-I/PT

PIC18LF66K80T-I/PT - 64KB Flash, 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF66K80T-I/PT is a low-power 8-bit PIC18 microcontroller built on the eXtreme Low Power (XLP) nanoWatt platform, featuring 64KB of Flash program memory, 4KB of RAM, and a 64-pin TQFP (10x10 mm) package. It integrates an Enhanced CAN (ECAN) module, a 12-bit ADC with Charge Time Measurement Unit (CTMU), and runs at up to 64MHz (16 MIPS) from a 1.8V to 5.5V supply. The 'LF' prefix denotes the wide-voltage, low-power variant, with extended operating range down to 1.8V, making it suitable for battery-powered and energy-harvesting applications. An 8-bit PIC microcontroller is a Harvard-architecture RISC device with separate program and data buses, optimized for deterministic interrupt response and low-power operation. It belongs to the broader category of microcontrollers -> microcontrollers (MCU) -> integrated circuits, and is part of the Microchip PIC18F "K80" family which adds an automotive-grade CAN peripheral to the standard PIC18 instruction set. This places the part in a hierarchy of MCU -> 8-bit MCU -> PIC18 -> PIC18F66K80 family. Key features of the PIC18LF66K80T-I/PT include nanoWatt XLP sleep currents as low as sub-1µA in deep sleep, 64KB self-programmable Flash with 1KB EEPROM, 4KB SRAM, two Enhanced USART modules, two MSSP (SPI/I2C) peripherals, an Enhanced CAN 2.0B module, an 8-channel 12-bit ADC, CTMU for capacitive touch or precise time measurement, and a 16-bit timer/counter. The 64-pin TQFP provides up to 53 digital I/O pins, suiting complex peripheral-rich designs. The architecture combines a RISC core with C-compiler-friendly instructions, dual-bus Harvard memory, and configurable peripherals routed through Peripheral Pin Select (PPS), simplifying PCB layout. The integrated ECAN 2.0B controller offloads CAN protocol handling from the CPU, enabling deterministic real-time automotive and industrial networking. The CTMU adds hardware-timed current sources for cap-touch, IR remote decoding, or temperature compensation without external analog circuitry. Typical applications include automotive body and comfort networks (CAN nodes, BCM), industrial CAN-bus sensor hubs, low-power battery telemetry devices, HVAC controller boards, and ECAN-controlled lighting controllers. The wide voltage range and nanoWatt XLP sleep currents also suit handheld instrumentation where standby life on a single CR2032 cell is critical. When designing with this MCU, plan I/O and PPS assignments before PCB layout because PPS mappings are not reversible on hardware. Decouple VDD/VSS pairs with at least 100nF ceramic capacitors close to each pin pair, and place the ECAN bus transceiver's split termination within 10mm of the bus pins to meet CAN signal-integrity requirements.

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PIC18LF6720T-I/PT - 8-bit 25MHz 128KB Flash MCU | Microchip
PIC18LF6720T-I/PT

PIC18LF6720T-I/PT - 8-bit 25MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18LF6720T-I/PT is an 8-bit RISC microcontroller belonging to the PIC18F family, featuring 128KB (64K x 16) of Flash program memory, 3840 bytes of RAM, and 52 digital I/O pins. The device operates from 2.0V to 5.5V across a -40C to +85C industrial temperature range and is housed in a 64-pin TQFP (10x10 mm) package. The 'LF' prefix designates the extended low-voltage variant optimized for battery-powered and low-power designs, while the 'T' suffix denotes tape-and-reel packaging. An 8-bit PIC microcontroller (MCU) is a compact, low-cost computing device built around Microchip's proprietary Harvard-architecture RISC core. The PIC18F family sits between the PIC16 mid-range series and the high-performance dsPIC33/PIC32 families, offering richer peripherals (CAN, USB, Ethernet, 12-bit ADC) and more memory than the PIC16 while retaining a simple instruction set. PIC MCUs integrate Flash program memory, SRAM, EEPROM, ADC, timers, communication peripherals (UART, SPI, I2C), and interrupt logic on a single die, making them the fundamental building block of embedded control systems. Key features of the PIC18LF6720T-I/PT include a 25 MHz maximum CPU clock yielding up to 10 MIPS throughput, an on-chip 10-bit ADC with multiple channels, dual analog comparators, two UART modules, one MSSP (SPI/I2C) peripheral, two capture/compare/PWM modules, a 16-bit timer/counter, and three 8-bit timer/counters. The 'LF' series specifically supports extended low-voltage operation down to 2.0V, making it suited to 2-cell battery and energy-harvesting designs. The 64-pin TQFP exposes 52 I/O lines, providing generous headroom for parallel buses, keypads, and LCD interfaces. Architecturally, the PIC18LF6720 uses a 16-bit instruction word with an 8-bit data path, an 8-level hardware stack, and separate program/data buses (Harvard architecture) that allow most instructions to execute in a single cycle. The Flash program memory is self-programmable under firmware control, enabling bootloader-based field updates. The instruction set is backward-compatible across the PIC18 family, so code developed for older PIC18F devices in the same pin-out migrates directly. Typical applications include industrial control panels, building automation HVAC controllers, automotive body and instrument clusters (when used with the PIC18F variant), medical bedside monitors, consumer appliances, and USB/CAN gateway nodes. The wide voltage range and generous I/O count also make it a popular choice for legacy PIC18F6720 designs being qualified for the LF low-voltage rail. A critical design consideration is matching the supply rail: the 'LF' variant is required when the system rail drops below 4.2V (e.g., 3.3V-only or two AA cells). Designers upgrading from the original PIC18F6720 to the LF variant must verify analog and peripheral specifications across the chosen VDD, as some ADC and Brown-out Reset thresholds shift between LF and F versions. This page synthesizes distributor inventory, parametric alternatives, and design notes not consolidated in the Microchip datasheet alone, providing a faster engineering decision workflow.

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PIC18LF6722-I/PT - 8-bit 40MHz 128KB Flash MCU 64-TQFP | Microchip
PIC18LF6722-I/PT

PIC18LF6722-I/PT - 8-bit 40MHz 128KB Flash MCU 64-TQFP | Microchip

The Microchip PIC18LF6722-I/PT is an 8-bit PIC18F-family enhanced flash microcontroller running at up to 40 MHz with 128 KB (64K x 16) of self-programmable program Flash and 4 KB of RAM, housed in a 64-pin TQFP (10x10 mm) package. It integrates a 10-bit A/D converter with up to 12 analog input channels, two synchronous serial ports (I2C and SPI capable) and two asynchronous LIN-capable UART ports for four total serial interfaces. The 'LF' prefix denotes the wide 2.0V-5.5V VDD range versus the 'F' variant's 4.2V-5.5V window, and nanoWatt technology enables typical sleep currents below 1 uA. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip Flash/ROM, RAM, peripherals and interrupt logic - positioned in the hierarchy 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Compared with 32-bit Cortex-M MCUs, 8-bit parts draw less power and cost less per unit but deliver lower MIPS and addressable memory; the PIC18F line bridges the gap with C-compilable Harvard architecture, hardware 8x8 multiplier and prioritized interrupts. Key features include 1024 bytes of data EEPROM for non-volatile parameter storage, 70 free I/O pins with peripheral pin-select on most pins, an enhanced 16-bit capture/compare/PWM module, two analog comparators, and a 10-bit A/D converter with up to 12 channels. The 64-TQFP package exposes nearly the full silicon pin complement, enabling interface-rich designs without external glue logic. The /PT suffix denotes the 64-pin TQFP industrial-temperature (-40C to +85C) package, the 'I' grade. Typical applications are large, low-power embedded systems with multiple serial interfaces: industrial sensor hubs, home-automation controllers, automotive body modules (LIN slaves), instrument clusters and USB-to-UART bridges when paired with an external transceiver. The 1024-byte data EEPROM allows non-volatile storage of calibration tables, serial numbers and user preferences without external NVRAM, and the wide 2.0V-5.5V VDD range supports 3.3V and 5V rails from a single part. When designing with this device, place a 100 nF decoupling capacitor within 5 mm of each VDD/VDDCORE pin pair, locate the crystal within 10 mm of OSC1/OSC2 with short symmetrical traces, and respect the ICSP pins (PGC/PGD/MCLR/VPP) to retain in-circuit programming in production. Migrating to the standard PIC18F6722 (4.2V-5.5V) requires VDD never drop below 4.2V to preserve Flash endurance. This page synthesizes distributor pricing, drop-in same-package alternatives and practical PCB-layout notes not found in a single datasheet excerpt - useful to design engineers qualifying a long-life-cycle 8-bit MCU with confirmed second-source availability from the manufacturer.

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PIC18LF6723-I/PT - 128KB Flash 8-bit MCU, 64-TQFP | Microchip
PIC18LF6723-I/PT

PIC18LF6723-I/PT - 128KB Flash 8-bit MCU, 64-TQFP | Microchip

The Microchip Technology PIC18LF6723-I/PT is an 8-bit PIC18 microcontroller with 128 KB of flash program memory, 4 KB of RAM, and 1024 bytes of data EEPROM, operating up to 40 MHz in a 64-pin TQFP (10x10 mm) package. The "LF" prefix denotes the low-voltage variant that operates across a 2.0V to 5.5V supply range, ideal for battery-powered and portable systems. According to the Microchip PIC18F6723 family datasheet, the device integrates a 12-bit ADC, multiple communication peripherals, and the enhanced PIC18 instruction set with 200 ns instruction cycle time. A PIC18 microcontroller belongs to the 8-bit RISC CMOS flash-based MCU family from Microchip, sitting within the broader PIC® (Peripheral Interface Controller) taxonomy: PIC18 -> 8-bit PIC -> Microcontroller Unit (MCU) -> Embedded Controller -> Semiconductor. The PIC18F/LF67xx family specifically targets high-pin-count (64-pin and 80-pin) applications requiring large memory, multiple serial interfaces, and integrated analog peripherals. Key features include 128 KB self-programmable flash, 4 KB SRAM, 1024 bytes data EEPROM, a 12-channel 10-bit ADC, two USART modules, two MSSP (SPI/I2C) modules, two CCP modules, one Enhanced CCP, two comparators, and a 16-bit timer/counter array. The wide operating voltage of 2.0V to 5.5V supports both 3.3V and 5V designs without level shifting. The architecture combines Harvard bus structure with RISC instruction execution, achieving 10 MIPS at 40 MHz. Internal oscillator options and on-chip debug (ICD) reduce external component count. The 64-pin TQFP package exposes 53 digital I/O pins, supporting mixed-signal embedded designs. Typical applications include industrial control panels, HVAC controllers, motor control subsystems, sensor hubs, USB device peripherals, graphical LCD interfaces, and portable data loggers. The combination of large flash, EEPROM, and rich peripherals makes this MCU well-suited for firmware-intensive applications. When designing with this part, place 0.1 uF decoupling capacitors on each VDD pin and ensure the MCLR pull-up is implemented correctly for reliable reset behavior. Designers should also enable the watchdog timer and the brown-out reset (BOR) feature for robust industrial deployments. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer datasheet. Pin-compatible PIC18F/LF family members in the same 64-pin TQFP footprint are listed in the alternatives section.

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PIC18LF6723T-I/PT - 40MHz 8-bit MCU 128KB Flash TQFP-64 | Microchip
PIC18LF6723T-I/PT

PIC18LF6723T-I/PT - 40MHz 8-bit MCU 128KB Flash TQFP-64 | Microchip

The Microchip Technology PIC18LF6723T-I/PT is a low-voltage 8-bit PIC microcontroller from the PIC18F family, featuring 128 KB of Flash program memory, 4 KB of RAM, and 1 KB of data EEPROM in a 64-pin TQFP (10x10 mm) package. It runs up to 40 MHz (10 MIPS), operates from 2.0V to 5.5V on the LF core, integrates a 12-bit ADC with up to 12 channels, and exposes up to 54 digital I/O pins for embedded control tasks. The IC variant denotes an industrial temperature grade (-40C to +85C) and the T suffix indicates tape-and-reel packaging. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/EEPROM/RAM), and peripherals (ADC, timers, UART, I2C, SPI) into one package. Within the power-management and embedded hierarchy, an MCU sits at the top of a digital control tree: an 8-bit MCU like the PIC18LF6723 belongs to the microcontroller category, which descends from microcomputer -> embedded processor -> semiconductor IC. The 8-bit PIC18F family from Microchip is widely used in industrial automation, consumer appliances, and automotive body electronics where deterministic real-time response and rich I/O are priorities. Key features include 128 KB self-programmable Flash for in-application upgrades, nanoWatt Technology power management for sleep currents below 100 nA, a 10 MIPS C-compiler-optimized instruction set, and Capture/Compare/PWM modules for motor and lighting control. The Enhanced CCP module provides up to four PWM channels with configurable dead-band delay, suitable for half-bridge drivers. The 12-bit A/D converter with up to 12 channels enables multi-sensor signal acquisition without external muxes. Typical applications include industrial control panels, HVAC fan controllers, RF transmitter front-ends, USB device nodes using the internal USB SIE (on -USB variants), and automotive body modules. The 54 I/O lines tolerate 5V inputs even when VDD is 3.3V, simplifying mixed-voltage designs. When designing, allocate the 54 I/O pins to high-priority analog/digital functions before adding peripherals; plan the ICSPAN package or ICSP programming header on the PCB; and use the nanoWatt Technology sleep modes aggressively for battery-powered designs to reduce Iq below 100 nA.

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PIC18LF67K40-E/MR - 128KB Flash 8-Bit MCU 64-VQFN | Microchip
PIC18LF67K40-E/MR

PIC18LF67K40-E/MR - 128KB Flash 8-Bit MCU 64-VQFN | Microchip

The Microchip Technology PIC18LF67K40-E/MR is an 8-bit PIC microcontroller with 128 KB Flash, 4 KB RAM, and 1 KB EEPROM, housed in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. It runs up to 64 MHz core clock, supports 1.8 V to 3.6 V operation (LF variant), and integrates Core Independent Peripherals including CWG (Complementary Waveform Generator), WWDT (Windowed Watchdog Timer), CRC, 10-bit ADC with Computation (ADC2), 5-bit/8-bit DAC, comparators, SMT (Signal Measurement Timer), and HLT (Hardware Limit Timer). A PIC18 microcontroller belongs to the 8-bit RISC microcontroller family from Microchip, positioned in the broader category of microcontrollers -> embedded processors -> semiconductors. PIC18 devices use an enhanced Harvard architecture with a modified RISC instruction set, prioritising low power consumption (XLP technology), deterministic interrupt latency, and rich on-chip peripherals. The K40 sub-family targets low-power general-purpose applications that need more memory and analogue integration than baseline PIC16/PIC18F parts, without moving to 16-bit dsPIC or 32-bit Arm cores. Key features of the PIC18LF67K40-E/MR include 10-bit ADC2 with up to 47 channels, multiple communication peripherals (UART, SPI, I2C with SMBus support), 5-bit and 10-bit DAC channels, dual analog comparators with selectable references, PWM/SCCP/MCCP capture-compare-PWM modules, and direct memory access via the DMA-free peripheral cross-connect. The 64-pin VQFN package supports 54 digital I/O pins and exposes the full peripheral set, while the exposed pad keeps theta_JA low enough for industrial operating temperatures (-40C to +125C). Architecturally, the device uses an 8-bit data path with a 16-bit instruction word, a hardware multiplier (8x8 in one cycle), and a 31-level hardware stack. XLP technology (eXtreme Low Power) implements multiple idle/sleep modes (Doze, Idle, Sleep, Low-Power Sleep), with deep sleep currents typically below 1 uA at RTCC retention. The integrated Core Independent Peripherals (CIPs) such as CWG, SMT, and WWDT allow complex timing, waveform generation, and safety tasks to run without CPU intervention. Typical applications include industrial control (sensor hubs, motor driver co-processors), low-power IoT edge nodes with sensor aggregation, consumer appliances with HMI, automotive body/comfort subsystems (PIC18LF variants are not AEC-Q100; see PIC18F67K40 family for automotive grade), battery-powered metering, and USB-less human-interface products. The wide memory footprint (128 KB Flash, 4 KB RAM, 1 KB EEPROM) supports protocol stacks (Modbus, custom), bootloader/A/B partition schemes, and data logging. When designing with this part, verify the VQFN-64 exposed pad is properly soldered to a sufficiently large copper pour for thermal dissipation and GND reference. The 'E' suffix indicates the Extended temperature grade (-40C to +125C); for the standard industrial -40C to +85C range, the 'I' grade variant PIC18LF67K40-I/MR is the same silicon in the same package. Confirm debugger compatibility (MPLAB ICD 4 / PICkit 5) before finalising layout. This page synthesises verified distributor pricing, application-specific design notes, and a drop-in alternative comparison not found in the standalone datasheet PDF.

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PIC18LF67K40-I/MR - 128KB Flash 8-bit MCU, 64MHz | Microchip XLP
PIC18LF67K40-I/MR

PIC18LF67K40-I/MR - 128KB Flash 8-bit MCU, 64MHz | Microchip XLP

The Microchip Technology PIC18LF67K40-I/MR is a low-power, high-performance 8-bit PIC microcontroller (MCU) built on the PIC18 RISC core running up to 64 MHz, integrating 128 KB Flash, 1 KB EEPROM, and 3562 bytes SRAM in a 64-pin VQFN-EP (MR) 9x9 mm package. It operates from 1.8 V to 3.6 V and exposes up to 54 digital I/O pins with Peripheral Pin Select (PPS) mapping, 12-bit ADC with computation, multiple UART/SPI/I2C, hardware RTCC, and a 32-bit CRC/SCAN block. The 'LF' prefix designates the low-voltage variant, while the PIC18F67K40 sibling targets 2.3 V to 5.5 V, both sharing an identical pinout. An 8-bit PIC microcontroller is a RISC-based MCU using a Harvard architecture that fetches instructions and data on separate buses, enabling single-cycle instruction execution. Within the broader taxonomy, PIC18 devices sit between PIC16 mid-range parts and PIC32 32-bit devices, and the PIC18LF67K40 belongs to Microchip's XLP (eXtreme Low Power) family with nanoWatt XLP technology that targets battery-friendly designs. As a general-purpose microcontroller, it integrates substantial memory and rich peripherals in a single die, replacing multi-chip discrete designs. Key features include 128 KB Flash (64K x 16), 1 KB EEPROM, 3562 bytes SRAM, 12-bit ADC with computation, multiple UART/SPI/I2C interfaces, hardware RTCC, and 32-bit CRC/SCAN for memory integrity verification. The 64-pin VQFN with exposed thermal pad (MR) offers a compact 9x9 mm footprint with low theta-JA for industrial thermal envelopes, while the Core Independent Peripherals (CIPs) - CWG, WWDT, and CRC/SCAN - allow deterministic operation without CPU intervention. The device integrates a 64 MHz internal high-frequency oscillator, a 32 kHz low-frequency oscillator, and an HF PLL block that delivers 64 MHz system clocks from lower-frequency references. This flexible clock tree lets designers balance active MIPS against quiescent draw for battery-life optimization, with nanoWatt XLP sleep modes extending standby time into the sub-microamp range. Typical applications include low-power IoT sensor nodes, industrial control panels, automotive body electronics, home appliances, and consumer human-machine interface (HMI) devices. Its rich peripheral set and XLP capability also suit battery-powered data loggers and remote controls where the 128 KB Flash accommodates Over-The-Air (OTA) bootloader plus application partitions. When designing with this device, allocate a keep-out zone for the exposed pad and stitch thermal vias to inner copper planes for heat spreading. Configure the PPS I/O mapping carefully during firmware bring-up to avoid pin conflicts, and use MPLAB X IDE with the XC8 compiler for firmware development. Always validate peripheral assignments against Microchip's official PIC18(L)F67K40 datasheet before committing to a final design. This page synthesizes distributor pricing, parametric data, drop-in alternatives, and practical design guidance not found in the standalone datasheet, helping engineers select and qualify the MPN faster than browsing distributor product pages alone.

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PIC18LF67K40-I/PT - 64MHz 8-bit MCU, 128KB Flash, XLP | Microchip
PIC18LF67K40-I/PT

PIC18LF67K40-I/PT - 64MHz 8-bit MCU, 128KB Flash, XLP | Microchip

The Microchip Technology PIC18LF67K40-I/PT is an 8-bit PIC microcontroller from the PIC18 "K40" family that delivers up to 64 MHz of CPU performance, 128 KB of Flash program memory, and a rich Core Independent Peripherals (CIP) set in a 64-pin TQFP (10x10 mm) package. The "LF" prefix designates the low-power F-variant core that supports 1.8 V to 3.6 V operation, while the same silicon drops into the same socket as the 5 V "F" version, making the K40 family a flexible platform for both battery and line-powered designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a mix of analog and digital peripherals. PIC18 is Microchip's enhanced 8-bit Harvard architecture, sitting between the baseline PIC10/12/16 families and the 16-bit dsPIC/PIC24 line. Low-dropout (LF) variants extend battery life by allowing direct connection to single-cell Li-ion or two AA cells, where the conventional F-variant would require a boost converter. The K40 generation is positioned as the high-performance, low-power tier with XLP (eXtreme Low Power) nanoWatt technology. Key differentiating features include 128 KB Flash, 4 KB RAM, 1 KB EEPROM, 64 MHz max CPU clock with 16 MIPS throughput, and CIPs such as Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), Cyclic Redundancy Check (CRC) with memory scan, Hardware Limit Timer (HLT), and Configurable Logic Cell (CLC). Peripherals include a 12-bit ADC with computation (ADCC) capable of up to 300 ksps, multiple UART/SPI/I2C, and 8-bit/16-bit timer resources. The 64-pin TQFP footprint exposes up to 60 I/O pins. The architecture uses a modified Harvard bus with separate program Flash and data SRAM buses, allowing the CPU to fetch an instruction while reading data from RAM in the same cycle. Power-saving modes (Sleep, Idle, Doze, Peripheral Module Disable) are fine-grained so unused CIPs can be shut down individually, dropping active current below 1 uA in Retention Sleep. Typical applications include IoT edge sensor nodes, battery-powered HVAC controls, low-power wireless sensor hubs, smart metering, automotive body and interior modules (sensor fusion, lighting, HMI), industrial HMI panels, USB-to-UART bridges, and general-purpose embedded control boards. The XLP feature set also makes the part a fit for energy-harvesting devices where quiescent draw dominates BOM cost. When designing with this part, choose between the LF (1.8-3.6 V) and F (2.3-5.5 V) variants based on rail voltage; both share the same 64-pin TQFP footprint, so PCB layout can remain fixed while the BOM swaps to match power supply requirements. Decoupling caps (100 nF per VDD pair plus a bulk 10 uF) and proper ICD/ICSP routing are mandatory for in-field reprogrammability.

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PIC18LF67K40T-I/MR - 8-bit 64MHz 128KB Flash MCU 64-VQFN | Microchip
PIC18LF67K40T-I/MR

PIC18LF67K40T-I/MR - 8-bit 64MHz 128KB Flash MCU 64-VQFN | Microchip

The Microchip Technology PIC18LF67K40T-I/MR is a low-power, high-performance 8-bit PIC18 microcontroller built on the eXtreme Low Power (XLP) platform, delivering 64 MIPS at 64 MHz with 128 KB of Flash program memory, 1 KB of EEPROM, and 3.5 KB of RAM in a 64-pin 9x9 mm VQFN (MR) package. It supports a wide 1.8 V to 3.6 V operating range and includes a 10-bit ADC, multiple timers, UART/SPI/I2C peripherals, and Core Independent Peripherals (CIPs) such as CWG and WWDT. A PIC microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), working memory (RAM), and configurable peripheral blocks around the same silicon die. The PIC18 family is Microchip's mid-range 8-bit architecture, sitting above the PIC16 family and below the dsPIC/PIC24 16-bit families in the 8-bit portfolio. The LF sub-family adds a low-voltage core that operates down to 1.8 V, while the K40 generation adds CIPs that offload timing-critical tasks from the CPU. Within the broader taxonomy, this part belongs to: microcontroller -> embedded controller -> semiconductor IC. Key differentiating features include Core Independent Peripherals (CWG, WWDT, CRC, DMA), a 10-bit ADC with computation, an on-chip 32 kHz oscillator for low-power RTC operation, and up to 60 digital I/O pins. The wide 1.8 V to 3.6 V operating voltage and ultra-low-power sleep currents in the nanoamp range enable multi-year battery life in energy-harvesting designs. Technically, the device uses an enhanced mid-range 8-bit core with a hardware multiply, 31-level stack, and linear program memory addressing. Its 5V-tolerant digital inputs let it interface with 5V sensors in 3.3V systems, and the integrated Direct Memory Access (DMA) engine moves data between peripherals and RAM without CPU intervention, lowering active-mode current and freeing the core for application logic. Typical applications include low-power IoT sensor nodes, industrial control HMI panels, battery-powered medical handheld devices, automotive body ECUs (with appropriate AEC-Q100 variant), consumer appliance controllers, and USB-CDC/HID peripherals. The 60-pin I/O budget and 128 KB Flash fit mid-tier products needing room for application stacks, USB stacks, or graphics libraries. When designing with this part, ensure the VDDCORE pin is bypassed with a 10 uF + 0.1 uF capacitor pair as recommended in the datasheet, and pay attention to the 64-pin VQFN thermal pad layout - the exposed pad must be soldered to a 9x9 mm copper island with thermal vias to meet the 31.4 C/W junction-to-ambient rating. This page synthesizes distributor pricing, drop-in alternatives from the same PIC18F/LF67K40 family, and practical design notes not consolidated in the manufacturer datasheet, giving procurement and design engineers a single decision-making reference.

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PIC18LF67K40T-I/PT - 64-pin, 128KB Flash XLP 8-bit MCU | Microchip
PIC18LF67K40T-I/PT

PIC18LF67K40T-I/PT - 64-pin, 128KB Flash XLP 8-bit MCU | Microchip

The Microchip Technology PIC18LF67K40T-I/PT is a low-power, high-performance 8-bit PIC microcontroller combining 128 KB Flash, 4 KB SRAM and 1 KB EEPROM with Core Independent Peripherals (CIPs) in a 64-pin TQFP (10x10 mm) package. It runs the PIC18 enhanced RISC core at up to 64 MHz, delivering up to 16 MIPS, and supports a wide 1.8V to 5.5V operating range with eXtreme Low Power (XLP) technology for battery-powered designs. Key features include a 10-bit ADC with Computation (ADCC) supporting hardware Capacitive Voltage Divider (CVD) for advanced touch sensing, a 5-bit DAC, two comparators, a zero-cross detect (ZCD) module, a Complementary Waveform Generator (CWG), multiple PWM/CCP/SCCP timers, a windowed watchdog (WWDT), CRC/Memory Scan, Peripheral Pin Select (PPS), EUSART, SPI and I2C. The XLP variants (LF) target sleep currents in the nanoampere range and active modes under 1 mA/MIPS. Architecturally, the PIC18LF67K40T-I/PT belongs to the PIC18 family of 8-bit microcontrollers - a Harvard-architecture RISC MCU class positioned under 16-bit PIC24/dsPIC and 32-bit PIC32MX/SAM in Microchip's MCU portfolio. The 'LF' suffix denotes the low-voltage/low-power XLP silicon; the 'T' indicates tape and reel packaging, and the 'I' is the industrial -40C to +85C temperature grade. Integration of CIPs (CWG, ZCD, WWDT, PPS, CRC) lets the core offload timing-critical analog and digital tasks, reducing CPU load and firmware complexity. Typical applications include capacitive touch user interfaces, low-power IoT sensor nodes, battery-powered industrial sensors, HVAC and home appliances, and general-purpose embedded control. The combination of 128 KB Flash and rich peripherals makes it suitable for feature-rich consumer devices with display, communication and motor-control requirements. When designing with this device, plan oscillator and PPS configuration early because peripheral-to-pin mapping is flexible but must be locked at runtime. For capacitive touch, follow Microchip's CVD layout and grounding guidelines; the ADCC handles the touch decoding but PCB hygiene is critical. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF8390-I/PT - 8-bit MCU, 8KB Flash, 768B RAM, 80-TQFP
PIC18LF8390-I/PT

PIC18LF8390-I/PT - 8-bit MCU, 8KB Flash, 768B RAM, 80-TQFP

The Microchip Technology PIC18LF8390-I/PT is an 8-bit CMOS microcontroller from the PIC18F family, integrating 8KB of Flash program memory (4K x 16), 768 bytes of SRAM, and 66 general-purpose I/O pins in an 80-pin TQFP (12x12 mm) package. The device operates from a low-voltage range of 2.0V to 3.6V (LF family) and is rated for -40C to +85C industrial temperature range, making it well suited for embedded systems with strict power budgets. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash, peripherals, and I/O. The PIC18 family uses an enhanced RISC architecture with a 16-bit instruction word and 8-bit data path, sitting within the broader taxonomy of microcontroller -> embedded controller -> semiconductor IC. Compared with 32-bit ARM Cortex-M parts, the PIC18F prioritizes deterministic interrupt latency, low power, and ease of programming for cost-sensitive applications. Key features include a 40 MHz internal oscillator, integrated ADC, multiple PWM and capture/compare modules, two USART modules, and an SPI/I2C peripheral set. The device supports ICD (In-Circuit Debug) via dedicated RB6/RB7 pins, enabling real-time emulation through MPLAB tools. The 80-pin TQFP package exposes extensive I/O, making it appropriate for human-machine interface (HMI) and motor-control designs. The LF variant reduces core voltage to extend battery life in portable products, while the 40 MHz CPU delivers up to 10 MIPS, providing ample headroom for sensor fusion, LED control, and protocol bridging. The architecture also supports self-programming, allowing firmware updates in the field without external bootloaders. Typical applications include industrial control panels, building automation, HVAC fan control, automotive body modules, and battery-powered instrumentation where the wide I/O count and low-voltage operation are decisive. When designing with this part, ensure decoupling capacitors (100nF + 10uF) are placed within 5 mm of the VDD pins, and follow Microchip AN585 and TB313 for oscillator and in-circuit debug layout guidance.

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PIC18LF8393-I/PT - 8-bit PIC MCU, 40MHz, 8KB Flash, LCD | Microchip
PIC18LF8393-I/PT

PIC18LF8393-I/PT - 8-bit PIC MCU, 40MHz, 8KB Flash, LCD | Microchip

The Microchip PIC18LF8393-I/PT is an 8-bit PIC18F-family microcontroller with 8KB (4K x 16) of Flash program memory, 768 bytes of RAM, an integrated LCD driver supporting up to 192 segments, and a 12-bit ADC. Housed in an 80-pin TQFP (12x12 mm) package, it operates up to 40 MHz and supports a wide supply voltage range from 2.5V to 5.5V. Key features include 54 digital I/O pins, integrated I2C/SPI/UART/USART peripherals, nanoWatt power-management technology for ultra-low-power operation, and on-chip LCD driver hardware that eliminates the need for an external segment-driver IC. The 80-pin TQFP footprint exposes most of the PIC18F8393's peripheral set, including the LCD segment pins, ADC channels, and communication buses. The PIC18LF8393 belongs to Microchip's PIC18F high-performance 8-bit architecture with an enhanced Harvard RISC core, 16-bit instructions, and a 32-level hardware stack. The 'LF' prefix indicates a wide-voltage (2.0V-5.5V) variant suitable for battery-powered designs, while the nanoWatt technology provides multiple low-power sleep modes that make the device practical for always-on metering and remote-display applications. Typical applications include human-machine interface (HMI) panels with integrated LCD glass, electronic metering (energy, gas, water) with on-glass numeric displays, medical infusion pumps and glucose meters with segment displays, industrial controllers with local status displays, and automotive instrument clusters with segment-style gauges. The wide voltage range also makes the part suitable for portable 3.3V and 5V mixed-rail designs. When designing with this device, allocate PCB area for the LCD bias-generation capacitors and ensure the trace routing keeps the LCD segment pins separated from high-frequency digital lines to minimize display artifacts. Code-development is supported by MPLAB X IDE and the MPLAB XC8 compiler, with extensive library support for the on-chip LCD controller. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF8410-I/PT - 40MHz 8-bit MCU, 16KB Flash, 80-TQFP | Microchip
PIC18LF8410-I/PT

PIC18LF8410-I/PT - 40MHz 8-bit MCU, 16KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18LF8410-I/PT is an 8-bit RISC microcontroller from the PIC18F6310/6410/8310/8410 family, delivering 40 MIPS performance at 40 MHz, 16 KB on-chip Flash program memory, 768 bytes of RAM, and 70 I/O pins in an 80-pin TQFP (12x12 mm) package. Operating from 2.5 V to 5.5 V wide-range supplies, this industrial-temperature (-40C to +85C) MCU targets high-performance, power-sensitive embedded designs that need rich peripheral integration without migrating to a 16-bit core. An 8-bit PIC microcontroller is a Harvard-architecture MCU built around a RISC instruction set with separate program Flash and data RAM buses. The PIC18 family extends the baseline PIC16 instruction set with 16-bit opcodes, hardware multiply, linear data memory, and C-friendly call stack, placing it in the 8-bit MCU -> PIC18 family -> Microchip 8-bit portfolio hierarchy. Compared with legacy PIC16 parts, PIC18 cores offer roughly 4x-10x throughput at the same clock frequency and add peripheral-rich variants such as the PIC18LF8410. Key features of the PIC18LF8410-I/PT include 16 KB (8K x 16) Flash, 768 bytes SRAM, 1 KB EEPROM, a 10-bit ADC up to 12 channels, two Enhanced USART modules, two MSSP (SPI/I2C) modules, two CCP and three ECCP (PWM) modules, a 16-bit timer, three 8-bit timers, an ultra-low-power nanoWatt sleep mode (down to ~100 nA), and an ICD/ICSP debug interface. The wide 2.5 V-5.5 V supply range allows direct connection to 3.3 V or 5 V rails. Architecturally, the device combines a 16-bit instruction word Flash with a 16-bit-wide data path and an 8-level hardware stack, plus Microchip's nanoWatt Technology dynamic power management that scales clock and bias current to the active peripheral set. The 70 I/O pins are shared with on-chip peripherals through independent PPS-less mapping, simplifying PCB routing. Typical applications include industrial control panels, HVAC and white-goods motor control, automotive body electronics (non-AEC-Q100), USB/serial human-interface devices, networked sensor nodes, and consumer display controllers. The wide voltage range and rich peripheral set make the part well suited for mixed-signal designs that need analog sensing, PWM drive, and communication on the same board. When designing with the PIC18LF8410-I/PT, place a 100 nF decoupling cap adjacent to every VDD/AVDD/VSS pin pair and reserve at least 4 KB of program memory for bootloader or future firmware updates. The 70 I/O budget allows direct fan-out to keypads, LED matrices, and parallel-character LCDs without external I/O expanders. This page synthesizes distributor pricing, same-family Microchip drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18LF8410T-I/PT - 8-bit 40MHz 16KB Flash MCU | Microchip
PIC18LF8410T-I/PT

PIC18LF8410T-I/PT - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18LF8410T-I/PT is an 8-bit PIC18 microcontroller featuring 16KB of FLASH program memory (organized as 8K x 16), 768 bytes of RAM, and a 40MHz maximum CPU clock rate, housed in an 80-pin TQFP (12x12 mm) package. The "LF" prefix denotes the low-voltage variant of the PIC18F8410 family, optimized for operation across 2.0V to 5.5V supply rails, while the "T" suffix designates tape-and-reel packaging for high-volume SMT assembly lines. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (FLASH), data memory (RAM), non-volatile EEPROM, and a rich set of peripherals on one die. The PIC18 family sits within Microchip's PIC microcontroller hierarchy, which spans PIC10 -> PIC12 -> PIC16 -> PIC18 -> PIC24 -> dsPIC30/33 -> PIC32, walking from 8-bit baseline designs to 32-bit MIPS-based cores. Within the PIC18 hierarchy, the F8410 belongs to the PIC18F6310/6410/8310/8410 sub-family, distinguished by its large pin count (70 I/O), generous peripheral set, and power-saving nanoWatt XLP technology. Key features include 70 general-purpose I/O pins, 10-bit ADC, multiple USART/SPI/I2C interfaces, and 12-bit Enhanced PWM outputs for motor and lighting control. The device integrates nanoWatt XLP technology for ultra-low-power sleep modes drawing sub-microamp currents, making it suitable for battery-powered applications. It offers self-programmable FLASH under software control and supports in-circuit debugging via ICD. The architecture combines a RISC Harvard-bus core with 16-bit instructions and 8-bit data paths, achieving up to 10 MIPS at 40MHz. Internal peripherals are interconnected through Microchip's Peripheral Pin Select (PPS) and configurable logic cells, providing flexible signal routing. The 80-TQFP package exposes all peripherals and I/O while accommodating a 12x12 mm footprint with 0.5 mm pitch, suitable for industrial designs requiring many external connections. Typical applications include industrial control panels, automotive body and HVAC modules, consumer appliances, motor control boards, and battery-powered sensor hubs. The PIC18LF8410T-I/PT's wide 2.0V-5.5V operating range and nanoWatt XLP modes make it ideal for energy-conscious designs. Designers should evaluate the oscillator configuration (HS vs. internal RC), decoupling strategy (100nF on each VDD/VSS pair), and unused-pin tie-offs per Microchip's PIC18F6310/6410/8310/8410 family datasheet to ensure robust EMI performance. Consider migrating to PIC18F66K80 or PIC18F67K40 for newer designs that require CAN, USB, or higher analog performance. This page synthesizes distributor pricing, drop-in alternatives from Microchip's own portfolio, and practical design notes not found in the standalone datasheet.

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