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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

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

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

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

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

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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PIC18LF8490-I/PT

PIC18LF8490-I/PT - 8-bit MCU 16KB Flash 768 RAM 66 I/O | Microchip

The Microchip Technology PIC18LF8490-I/PT is a low-voltage, 8-bit PIC18 microcontroller with 16 KB of flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, packaged in an 80-pin TQFP (PT). It executes instructions in 200 ns with up to 10 MIPS throughput and is qualified for the -40C to +85C industrial temperature range, while the LF suffix denotes wide VDD support from 2.0 V to 5.5 V, making it ideal for both 3.3 V and 5 V systems. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and programmable peripherals into one device. The PIC18 family adds RISC Harvard architecture, hardware multiplier, and 16-bit instruction width to the classic 8-bit PIC core, raising throughput to 10 MIPS while preserving the PIC instruction-set familiarity that millions of embedded engineers already know. MCUs of this class sit one tier above discrete logic and one tier below microprocessors, anchoring everything from consumer appliances to industrial control boards. Key features include 66 digital I/O pins, 12 channels of 10-bit ADC, two analog comparators, two USART modules, an MSSP module that supports SPI and I2C (master and slave), two CCP modules plus one enhanced ECCP for PWM and capture, a 16-bit timer/counter, three 8-bit timers, and a 10-bit addressable Enhanced USART. A 4x phase-locked loop, internal 31 kHz oscillator, and low-power SLEEP/IDLE modes round out the peripheral set. Typical applications include industrial control panels, white goods and HVAC controls, USB/HID bridges using the on-chip transceiver-less USART, sensor hubs, motor-control BLDC/PMSM drivers when paired with the ECCP PWM, medical handhelds, and battery-powered instrumentation that benefits from the 2.0 V minimum supply. The wide 2.0 V to 5.5 V range also supports solar and energy-harvesting designs. Designers should note that the LF variant uses the lower Fmax at low VDD and that 80-pin TQFP routing benefits from a 4-layer PCB with a continuous ground pour under the part. In-system programming via ICSP requires dedicated RB6/ICSP-CLK and RB7/ICSP-DAT lines that must not be pulled low at reset. This page consolidates distributor pricing, verified pin-compatible drop-in alternatives, and practical engineering notes that go beyond the manufacturer datasheet to speed up your design-in.

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PIC18LF8490T-I/PT

PIC18LF8490T-I/PT - 16KB Flash LCD MCU 40MHz TQFP-80 | Microchip

The Microchip PIC18LF8490T-I/PT is a low-power 8-bit CMOS flash microcontroller from the PIC18F family, integrating an LCD driver and nanoWatt Technology, delivering 16 MIPS performance from a 40 MHz oscillator, housed in an 80-pin TQFP package on tape and reel. It integrates 16 KB of flash program memory (8K x 16), 768 bytes of SRAM, an integrated LCD driver, a 12-channel 10-bit ADC, and 66 digital I/O lines for mixed-signal embedded designs. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of Harvard-architecture 8-bit RISC microcontrollers from Microchip Technology built around a small instruction set, deterministic interrupt response, and on-chip peripherals such as ADC, timers, and communication engines. Within the PIC taxonomy, the LF prefix denotes the low-voltage / low-power (F) variant; PIC18LF8490 belongs to the upper-tier PIC18 family, which adds 16-bit instructions, linear addressing of up to 2 MB, C-friendly architecture, and hardware multipliers. Key features of the PIC18LF8490T-I/PT include a wide 2.0 V to 5.5 V operating range, an integrated LCD driver with up to 192 segments, four 8-bit timers, two capture/compare/PWM modules, two USART ports, one SPI and one I2C bus, an on-chip 10-bit ADC with 12 input channels, nanoWatt power management with multiple idle and sleep modes, and self-programmability for in-field firmware upgrades. The device uses Microchip's enhanced flash cell and a 16-bit instruction word with an 8-bit data path, achieving 200 ns instruction execution at 40 MHz. The integrated LCD driver supports static, 1/2, 1/3, and 1/4 duty multiplexed panels with software-controllable bias, removing the need for an external LCD controller in user-interface designs. Typical applications include battery-powered metering with LCD readouts, portable medical instruments, industrial control panels with segmented displays, automotive instrument clusters, home appliance user interfaces, and remote sensor terminals. The combination of LCD integration and low-power nanoWatt modes makes the part particularly suitable for mains- or battery-powered HMI products. When designing with this device, allocate sufficient I/O for both the LCD segment lines and digital peripherals, and observe Microchip's recommended decoupling (0.1 microfarad plus bulk) close to the supply pins. Programming is supported through ICSP, requiring dedicated PGC and PGD pins reserved in the PCB layout. This page consolidates distributor pricing, same-package drop-in alternatives from the PIC18LF family, and practical design notes that complement the manufacturer datasheet.

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PIC18LF8493-I/PT

PIC18LF8493-I/PT - 8-bit 40MHz 16KB Flash LCD MCU | Microchip

The Microchip Technology PIC18LF8493-I/PT is an 8-bit PIC18F-family microcontroller with 16KB of Flash program memory (organized as 8K x 16), 768 bytes of RAM, an integrated 192-segment LCD driver, and a 12-bit ADC, all housed in an 80-pin TQFP (12x12 mm) package. It runs up to 40MHz (10 MIPS) from a 2.0V to 3.6V supply, making it a member of the low-voltage 'LF' nanoWatt XLP family. A PIC18 microcontroller is an 8-bit modified Harvard RISC MCU core built around the PIC18 instruction set, which sits in the broader taxonomy of microcontroller -> embedded controller -> semiconductor IC. PIC18 devices combine a rich peripheral set with low power consumption, which is why they are widely used in human-machine interface (HMI) products, metering equipment, and battery-powered instrumentation. Key features of this part include the integrated LCD driver supporting up to 192 segments, a 12-bit ADC with up to 12 input channels, nanoWatt XLP power-management technology for ultra-low sleep currents, an enhanced USART, MSSP (SPI/I2C), and 64 digital I/O pins. The 80-pin TQFP package provides generous pin budget for parallel LCD glass and mixed analog/digital signal acquisition. The architecture uses a 16-bit instruction word with 8-bit data path, an internal 31-level hardware stack, hardware multiply, and a 32 kHz to 40 MHz oscillator block with PLL options. The nanoWert XLP technology enables sleep currents in the nanoamp range, which is critical for battery-backed metering products where the LCD must stay visible for the lifetime of the cell. Typical applications include handheld meters (multimeters, clamp meters, energy monitors), thermostats and HVAC controllers, home appliances with LCD user interfaces, medical point-of-care devices, industrial sensor readouts, and any battery-powered product with a segment LCD. Designers should carefully budget I/O pins against the LCD segment count, use the internal 31 kHz oscillator for low-power sleep modes, and provide adequate decoupling on AVDD/AVSS pins when sampling the 12-bit ADC. The 'LF' variant should be selected when the system is powered from a 2-cell alkaline or single-cell Li-ion supply, since regular PIC18F devices need 4.2V minimum. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for sourcing and design decisions on PIC18LF8493-I/PT-based boards.

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PIC18LF8520-I/PT

PIC18LF8520-I/PT - 8-bit PIC MCU, 32KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18LF8520-I/PT is an 8-bit PIC18 microcontroller built around an enhanced RISC architecture, offering 32KB of Flash program memory, 2048 bytes of SRAM, and 1024 bytes of EEPROM in a 12x12 mm 80-pin TQFP package. It executes instructions at up to 10 MIPS from a 40 MHz internal clock, operates across a wide 1.8V to 5.5V supply range (LF low-voltage family), and exposes 68 digital I/O lines along with a 10-bit A/D converter, two USART modules, MSSP (SPI/I2C), and multiple CCP/ECCP timer/capture modules. What is a PIC18 microcontroller? A PIC18 is Microchip's 8-bit Harvard-architecture MCU family that combines a 16-bit instruction word with 8-bit data paths, native C-compiler support (MPLAB XC8), on-chip Flash and EEPROM, and a broad peripheral set. PIC18 sits in the taxonomy: PIC18 -> 8-bit MCU -> microcontroller -> embedded IC. The LF prefix denotes the low-voltage variant optimized for 1.8V-3.3V operation while still functioning up to 5V. Key features include 32KB self-programmable Flash with ICD, 256-byte data EEPROM, two enhanced USART ports for simultaneous communication, MSSP supporting both SPI and I2C master/slave, four timer modules with capture/compare/PWM, a 10-bit multi-channel A/D converter, and nanoWatt power management with multiple idle/sleep modes. The wide voltage range and -40C to +85C industrial temperature grade suit battery-backed and industrial embedded designs. Architecturally, the PIC18LF8520 employs a 16-bit instruction path with 8-bit data bus, hardware multiply, and a deeply pipelined execution engine, allowing 10 MIPS sustained throughput. The LF silicon process supports deep-sleep currents measured in nanoamps, with wake-up via interrupts, RTCC, or watchdog timer, making the part attractive for energy-harvesting and always-on sensor nodes. Typical applications include industrial control panels, automotive body and HVAC subsystems, home appliances, HVAC thermostats, data loggers, and human-machine interface (HMI) terminals. The 68 I/O count and dual-USART configuration make it ideal for bridging multiple sensor and actuator buses in embedded systems requiring robust 8-bit determinism. When designing with this MCU, allocate adequate decoupling (100 nF per VDD pin plus 10 uF bulk) and route the MCLR reset line with proper filtering. The device supports in-circuit serial programming (ICSP) via RB6/RB7, allowing field firmware updates without removing the part from the board. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the PIC18LF8520-I/PT, complementing the manufacturer datasheet with engineering guidance and parametric cross-reference data.

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PIC18LF8525-I/PT

PIC18LF8525-I/PT - 8-Bit 40MHz MCU, 48KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18LF8525-I/PT is an 8-bit PIC18-family CMOS microcontroller (MCU) integrating 48 KB (24K x 16) of enhanced Flash program memory, 3840 bytes of RAM, and a 16-channel 10-bit analog-to-digital converter (ADC), all housed in an 80-pin TQFP package measuring 12x12 mm. The device executes instructions at up to 40 MHz (10 MIPS) from a 2.0V to 5.5V supply, with the low-voltage "LF" suffix denoting extended low-voltage operation across the entire PIC18F8525 silicon family. As a member of Microchip's high-performance PIC18 family, it targets complex embedded applications that need ample code space and rich peripheral integration. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory (typically Flash), working RAM, and a fixed set of peripherals such as ADC, timers, and communication interfaces. Within the embedded hierarchy, the PIC18 family sits between Microchip's baseline PIC10/12/16 MCUs and its 16-bit dsPIC/PIC24 parts, balancing computational throughput with deterministic interrupt response. The PIC18LF8525 sits at the high end of the 8-bit PIC18 lineup, offering more pins, memory, and I/O than smaller PIC18Fxx2x and PIC18FxxKx0 devices, while remaining code-compatible with the broader PIC18 ecosystem for portability of firmware and development tools. Key features include 70 digital I/O pins spread across multiple ports (PORTA-PORTG), 16 channels of 10-bit ADC, two USART modules, MSSP (SPI/I2C), CAN, parallel slave port, 4 timers, and an internal 32 kHz to 8 MHz oscillator with PLL options. The device also offers five PWMs, two comparators, 100K erase/write cycle Flash endurance, and self-programming capability. Industrial-grade temperature range is -40C to +85C, and the part ships in Pb-free TQFP-80 packaging. Architecturally, the PIC18LF8525 uses an enhanced RISC Harvard core with 16-bit instructions and 8-bit data path, instruction pipelining, hardware multiplier, and a 31-level hardware stack. The enhanced Flash supports block erase and self-write, enabling bootloader-driven firmware updates and in-application reprogramming without external programmer hardware, which is essential for deployed industrial nodes. Typical applications include industrial control panels, automotive body and chassis subsystems, building automation, HVAC controllers, medical instrumentation, user-interface boards with keypads and graphic LCDs, USB-to-UART bridges, and sensor-hub nodes. The wide 2.0-5.5V supply range plus generous I/O count also make it suitable for legacy 5V designs transitioning away from older PIC16 platforms. When designing with this part, ensure Vdd decoupling uses a 100 nF ceramic capacitor placed within 5 mm of each Vdd/Vss pair, and follow Microchip's recommended ICSP connections (PGC/PGD/MCLR/Vpp) to retain in-circuit debug and programming access. Note that PIC18LF vs PIC18F parts are pin-compatible but the LF variant extends the low end of Vdd to 2.0V; do not substitute between them without verifying firmware voltage thresholds and ADC reference scaling. This page synthesizes distributor pricing, parametric cross-reference data, and engineering design notes that go beyond the manufacturer datasheet alone, helping procurement and firmware engineers evaluate the PIC18LF8525-I/PT for new designs and legacy replacements.

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PIC18LF8525T-I/PT

PIC18LF8525T-I/PT - 8-bit 40MHz MCU, 48KB Flash, TQFP-80 | Microchip

The Microchip Technology PIC18LF8525T-I/PT is an 8-bit PIC microcontroller from the PIC18F family, featuring a 40 MHz maximum core speed, 48 KB (24K x 16) of enhanced Flash program memory, and 3,840 bytes of RAM, all housed in an 80-pin TQFP (12x12 mm) package. The 'LF' prefix indicates a low-voltage variant designed to operate across an extended 2.0 V to 5.5 V supply range, with 68 digital I/O pins available for peripheral expansion. Tape-and-reel ('T') packaging is standard for high-volume SMT assembly, and the 'I' suffix denotes the industrial -40 C to +85 C temperature range. A PIC18F-series microcontroller is a Modified-Harvard-architecture 8-bit RISC MCU built around the enhanced PIC18 instruction set with a 16-bit-wide instruction word and an 8-bit data path. PIC18F devices sit within the broader PIC microcontroller taxonomy (PIC10/12/16 -> PIC18 -> PIC24/dsPIC -> PIC32) and are widely used when engineers need deterministic real-time control, abundant I/O, and low power consumption at low cost. The 'LF' family specifically targets battery-powered and energy-harvesting designs where operation down to 2.0 V extends usable runtime. Key features of this device include the integrated 10-bit Analog-to-Digital Converter, multiple Enhanced USART, I2C, and SPI peripherals, a 16-bit Capture/Compare/PWM module for motor control, a dedicated ICD/ICSP debug interface, and self-programming Flash that supports in-application firmware updates. The on-chip ECC and 10 MHz internal oscillator reduce external component count. Architecturally, the PIC18LF8525T uses a two-stage pipeline with 75 instructions and supports hardware multiply, making it well suited to single-phase induction motor control kernels and complex sensor-fusion loops. Compared with PIC24/dsPIC parts, the PIC18 LF family trades DSP throughput for power efficiency and BOM cost. Typical applications include single-phase induction motor control, HVAC fan/blower drivers, white-goods control boards, industrial sensor hubs, and embedded HMI panels that need many GPIO pins and a compact TQFP-80 footprint. In each case the 68 I/O, 40 MHz core, and 48 KB Flash comfortably host state-machine-based motor firmware, PID loops, and communication stacks. When designing, note that the 48 KB Flash / 3,840 B RAM ratio is sized for control-oriented rather than data-logging firmware; designers needing more memory should consider PIC18F8722 or PIC24 variants. Place the 0.1 uF VDD decoupling caps within 5 mm of every supply pin and follow Microchip TB087 for EMI control on the 80-pin TQFP layout. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical TQFP-80 design notes not collocated in the manufacturer datasheet.

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PIC18LF8527T-I/PT

PIC18LF8527T-I/PT - 8-bit 40MHz 48KB Flash MCU | Microchip

The Microchip Technology PIC18LF8527T-I/PT is an 8-bit PIC18F-family RISC microcontroller delivering 40 MIPS performance at 40 MHz, integrating 48 KB of Flash program memory (24K x 16) and 4 KB of RAM in an 80-pin TQFP (12x12 mm) surface-mount package. It is the low-voltage (LF) variant of the PIC18F8527 family and supports operation across 2.0V to 5.5V, enabling direct battery-powered and 3.3V system designs without level shifters. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and a rich set of peripherals including timers, communication interfaces, and analog-to-digital converters on a single die. Within the product hierarchy, the PIC18F series sits above baseline PIC16 parts but below 16-bit PIC24 and dsPIC families, targeting general-purpose embedded control where deterministic interrupt response and ample I/O are required. The PIC18LF8527 specifically belongs to the high-pin-count PIC18F8xxx sub-family, optimized for human-machine interface (HMI), instrumentation, and motor-control front-ends. Key features include 70 general-purpose I/O pins, 13 ADC channels with 10-/12-bit resolution, two UART/USART modules, two SPI interfaces, two I2C modules, and two enhanced capture/compare/PWM (ECCP) peripherals. The part carries Microchip's nanoWatt XLP (eXtreme Low Power) technology, achieving sub-microamp sleep currents suitable for always-on sensor nodes. Hardware multipliers and a 32 KB linear program-memory address space simplify C-compiler code generation, while 1 KB of EEPROM supports non-volatile data storage without external parts. Architecturally, the PIC18LF8527 implements a Harvard-style 16-bit instruction word with an 8-bit data path, giving each instruction a fixed 4-clock execution (200 ns at 40 MHz). An integrated 8x8 hardware multiplier accelerates DSP-style operations such as FIR filtering or BLDC commutation math. On-chip peripherals are mapped via SFRs, allowing deterministic single-cycle context save/restore in interrupt service routines. Typical applications include industrial control panels, HVAC thermostats, medical instrumentation front-ends, automotive body and HMI modules, and consumer white goods. The wide 2.0V-5.5V operating range and 70 I/O make it well suited to gateway-style designs that aggregate many sensors and actuators. When designing with this part, pay attention to the 80-pin TQFP land pattern and route the ICP/ICD signals (PGC/PGD) to a header for in-circuit debugging. Always add a 0.1 uF decoupling capacitor adjacent to every VDD/VSS pair and reserve the AVSS/AVDD pins for analog supply separation if the ADC is in use. This page consolidates distributor pricing, drop-in alternatives, and practical design guidance not found on the manufacturer datasheet cover page.

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PIC18LF8585-I/PT

PIC18LF8585-I/PT - 8-bit 40MHz MCU 48KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18LF8585-I/PT is a low-power 8-bit PIC18-family RISC microcontroller running at 40 MHz (10 MIPS) with 48 KB of Flash program memory, 3328 bytes of SRAM, and up to 68 I/O pins, housed in an 80-pin TQFP (12x12 mm) package. It operates from 4.2 V to 5.5 V and is qualified to the industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. PIC18F-series parts use Microchip's enhanced 8-bit Harvard RISC architecture with a 16-bit instruction word, providing single-cycle execution and a rich peripheral set (ADC, CCP, USART, I2C, SPI) optimized for embedded control. They sit in the taxonomy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. Key features of the PIC18LF8585-I/PT include 48 KB (24K x 16) self-programmable Flash with EEPROM emulation, 3328 bytes of RAM, a 10-bit ADC with up to 16 channels, two Capture/Compare/PWM modules, dual USART ports, MSSP (SPI/I2C), and CAN-ready peripherals typical of the PIC18F8585 silicon. The LF variant (LF = low-voltage Flash) extends operating flexibility down to ~2 V core while the I/PT suffix specifies the industrial temperature grade and TQFP-80 package. Architecturally, the device uses a 16-bit program bus and 8-bit data bus with hardware multiply, a 32-level hardware stack, and prioritized interrupts. The wide 80-pin footprint is needed because the PIC18F8585 silicon integrates a large number of analog and digital peripherals aimed at industrial and automotive subsystem designs where code compatibility with the smaller-pin PIC18 family matters. Typical applications include industrial automation controllers, HVAC and appliance control, automotive body and instrument clusters, sensor conditioning nodes, and general-purpose embedded products requiring high I/O count with Flash reprogrammability. The combination of CAN peripherals and 68 I/O makes it a common choice in mid-2000s automotive ECUs. When designing with this part, plan for an external resonator or crystal (HS/EC mode) for accurate 40 MHz operation, ensure adequate decoupling (0.1 uF + bulk) per VDD/VSS pair, and review the ICSP/ICD pin assignments on the 80-TQFP layout so they remain accessible for in-circuit debug. Designers migrating from smaller PIC18 parts (e.g., PIC18F452) gain more I/O, CAN, and ADC channels but must re-route the PCB. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the Microchip PIC18F/LF family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18LF8620T-I/PT

PIC18LF8620T-I/PT - 64KB Flash 8-bit MCU, 25MHz, 80-TQFP | Microchip

The Microchip Technology PIC18LF8620T-I/PT is an 8-bit PIC18 microcontroller featuring 64KB of Flash program memory, 3840 bytes of RAM, and 68 I/O pins, housed in an 80-pin TQFP (12x12 mm) package. The device operates from a 2.0V to 5.5V supply (LF low-voltage variant), supports an external clock speed up to 25 MHz (10 MIPS), and is rated for the industrial -40C to +85C temperature range. Key features include 64KB (32K x 16) of self-programmable Flash, 3840 bytes of SRAM, 1024 bytes of EEPROM, an enhanced 10-bit ADC with up to 16 channels, multiple serial interfaces (USART, I2C, SPI), and Microchip's nanoWatt power management. The 80-pin TQFP footprint exposes 68 general-purpose I/O lines, two capture/compare/PWM modules, and a parallel slave port for external memory expansion, making it well-suited for mixed-signal control applications. The PIC18LF8620T-I/PT uses Microchip's enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path, enabling C-friendly operation while preserving deterministic interrupt latency. Its deep peripheral integration reduces BOM count in motor control, instrumentation, and display-driving designs. As the LF variant of the family, it offers the lowest power consumption for battery-backed or portable applications. Typical applications include industrial automation control panels, HVAC controllers, automotive body electronics, white-goods user-interface boards, and large graphic LCD driving. The 68 I/O count directly supports matrix keypads, segmented character displays, and parallel-port peripherals. When designing with this device, allocate decoupling capacitors close to all VDD/VSS pairs, follow Microchip's in-circuit serial programming (ICSP) layout rules, and confirm the LF voltage range covers any battery-depleted scenarios. The 'T' suffix denotes Tape & Reel packaging for high-volume assembly. This page synthesizes distributor pricing, 80-TQFP drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF8621T-I/PT

PIC18LF8621T-I/PT - 8-bit 40MHz 64KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18LF8621T-I/PT is an 8-bit PIC18 microcontroller built on the enhanced PIC18 RISC architecture, featuring a 40 MHz maximum operating frequency, 64 KB of Flash program memory (32K x 16), and 3840 bytes of RAM. Housed in an 80-pin TQFP (12x12 mm) surface-mount package, it integrates 10-bit A/D converter inputs, multiple communication peripherals, and the nanoWatt power-management features of the PIC18LF family, optimized for low-voltage (4.2 V to 5.5 V) operation. A PIC microcontroller is a compact, programmable microcontroller unit (MCU) that combines a CPU core, non-volatile Flash program memory, SRAM data memory, and a rich set of on-chip peripherals (ADC, timers, UART/SPI/I2C, PWM, I/O ports) on a single silicon die. PIC18 devices belong to the enhanced mid-range MCU tier in the broader taxonomy of microcontrollers (MCU -> 8-bit MCU -> PIC -> PIC18F family -> PIC18F high-pin-count). The LF suffix denotes the low-voltage F-series variants that extend operation down to a lower VDD minimum while retaining Flash-based self-programmability. Key features of this device include 54 digital I/O pins, an internal 8 MHz / 32 kHz oscillator, two analog comparators, a 10-bit A/D converter with up to 16 input channels, two MSSP (SPI/I2C) modules, two enhanced USART modules, four timers (Timer0/1/2/3), two capture/compare/PWM modules, and self-programming Flash with ICSP (In-Circuit Serial Programming). The "T" suffix indicates tape-and-reel packaging, while the "I" suffix denotes the industrial -40C to +85C operating temperature range. Typical applications include industrial control and HMI panels, automotive body and chassis subsystems, instrumentation and data loggers, USB/HID peripherals, sensor-conditioning front ends, and home appliance controllers. The high pin count (80-pin) and generous 64 KB Flash make it suitable for protocol stacks (e.g., CAN, USB, TCP/IP) running on a single MCU. When designing with this part, verify the device errata sheet and reference manual (DS39626) for peripheral limits, and budget code space carefully because the 64 KB Flash holds a modest program footprint. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF8622T-I/PT

PIC18LF8622T-I/PT - 8-Bit MCU, 64KB Flash, 40MHz, 80-TQFP | Microchip

The Microchip PIC18LF8622T-I/PT is a high-performance 8-bit PIC microcontroller featuring 64 KB of Flash program memory, 4 KB of RAM, and 70 I/O pins, packaged in an 80-lead TQFP (12x12 mm) with industrial -40C to +85C temperature rating. It operates at up to 40 MHz clock speed and is rated for 4.2V to 5.5V supply voltage, making it part of the LF (low-voltage, full Vdd range) PIC18F86K22 family variant set. A PIC18F microcontroller belongs to the 8-bit RISC microcontroller category, designed around Microchip's enhanced PIC18 architecture that delivers up to 10 MIPS at 40 MHz. The PIC18 family sits within the broader hierarchy of microcontroller -> embedded MCU -> semiconductor, and is widely deployed in industrial, automotive aftermarket, and consumer applications requiring deterministic real-time performance and rich peripheral integration. Key features include 64 KB (32K x 16 words) of self-programmable Flash program memory, 4 KB of general-purpose SRAM, an integrated 10-bit ADC with up to 16 channels, multiple USART, SPI, and I2C peripherals, and a 16-bit timer/counter array. The 70 available I/O pins support a wide range of mixed-signal interfacing tasks, while on-chip EEPROM emulation through Flash self-write enables robust non-volatile data storage without external memory. The 'LF' prefix in PIC18LF8622 denotes the low-voltage full-Vdd operating range variant that supports 2.0V-5.5V supplies, in contrast to the 'F' variant which requires 4.2V-5.5V. The PIC18LF8622T-I/PT specifically is the tape-and-reel (-T) industrial-grade (-I/PT) packaging, where /PT identifies the 80-pin TQFP package. The device integrates Microchip's nanoWatt Technology power management with multiple Idle and Sleep modes to extend battery life in energy-conscious designs. Typical applications include industrial control panels, HVAC controllers, motor drive front-ends, instrumentation, and human-machine interface (HMI) terminals where the combination of 70 I/O pins, large Flash capacity, and CAN/USB/Ethernet-friendly peripheral set is advantageous. The wide operating voltage also makes it suitable for 5V industrial bus architectures. When designing with this part, ensure the PCB layout provides adequate 0.1 uF decoupling on every Vdd/Vss pair and a low-impedance ground plane beneath the TQFP thermal pad. Programmer/debugger selection should target MPLAB ICD 3 or MPLAB PICkit 3/4 with the ICSP interface, and unused I/O pins must be configured as outputs low to minimize quiescent current. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found on the manufacturer datasheet cover page.

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PIC18LF8627T-I/PT

PIC18LF8627T-I/PT - 8-Bit MCU, 96KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18LF8627T-I/PT is an 8-bit PIC microcontroller in the PIC18F family, featuring 96KB of FLASH program memory, 4KB of RAM, and 70 I/O pins, packaged in an 80-pin TQFP (12x12 mm). It operates up to 40 MHz and is designed for low-voltage (LF) applications with a wide operating voltage range. A PIC microcontroller (MCU) is a compact integrated circuit that combines a CPU core (in this case an enhanced PIC18 RISC architecture), programmable FLASH memory, RAM, EEPROM, and a rich set of digital and analog peripherals in a single chip. PIC18F-family MCUs sit in the middle of Microchip's 8-bit portfolio: more capable than the PIC16F baseline series and PIC12/16 mid-range, but below the 16-bit PIC24/dsPIC and 32-bit PIC32 families. They are widely adopted in industrial control, automotive sub-systems, consumer appliances, and sensor-based embedded designs where deterministic behavior and ease of programming (via MPLAB X) matter more than raw computational throughput. Key features of the PIC18LF8627T-I/PT include 96KB (48K x 16) of self-programmable FLASH for code storage, 4KB of SRAM, 1KB of EEPROM data memory, 70 general-purpose I/O pins, multiple 10-bit ADC modules, PWM, USART, I2C, SPI, USB and CAN peripherals, and an operating frequency up to 40 MHz (10 MIPS). The TQFP-80 (12x12 mm) package provides ample I/O count for human-machine interface (HMI), motor control, and instrumentation. Architecture-wise, the part uses a 16-bit instruction word with an 8-bit data path, an enhanced instruction set, hardware multiply, and a 32-level deep hardware stack, enabling efficient C-code generation while retaining the predictable interrupt latency PIC MCUs are known for. The 10 MIPS performance combined with nanoWatt power management makes it suitable for both line-powered and battery-powered designs. Typical applications include industrial automation controllers, automotive body and HVAC modules, medical instrumentation front-ends, consumer appliance control boards, and USB/CAN-connected sensor hubs. The wide I/O count and rich peripheral mix make it a strong fit where a single chip must consolidate several legacy functions. When designing with this MCU, plan oscillator and decoupling layout early, keep analog and digital grounds partitioned, and verify the CAN/USB bus termination against IEC 61000-4-2 ESD expectations in your enclosure. Engineers migrating from PIC16F should review the extended instruction set and the new peripheral libraries in MPLAB XC8. This page synthesizes distributor stock and pricing, drop-in alternative listings (same-brand PIC18LF first, then cross-brand parametric equivalents from the web), and engineering design notes beyond the manufacturer datasheet - information a DigiKey or Mouser product listing does not provide.

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PIC18LF8628-I/PT

PIC18LF8628-I/PT - 96KB Flash 8-bit MCU, 80-pin TQFP | Microchip

The Microchip Technology PIC18LF8628-I/PT is a low-power (LF) XLP 8-bit PIC18 microcontroller with 96 KB Flash program memory, 4 KB RAM, 1024 bytes of Data EEPROM, and a 12-bit ADC, housed in an 80-pin TQFP (PT) industrial-temperature package. It runs up to 40 MHz from a 2.0V to 3.6V supply and includes an integrated 12-bit ADC with auto-acquisition, parallel slave port, and multiple serial interfaces. An 8-bit microcontroller (MCU) is a programmable computation engine built around an 8-bit data path, ROM/Flash for program storage, RAM for data, and a fixed set of on-chip peripherals (ADC, timers, UART/SPI/I2C, PWM). The PIC18 family is Microchip's high-pin-count, register-rich 8-bit line positioned between baseline PIC10/12/16 and 16-bit dsPIC/PIC24 architectures; the LF sub-family adds nanoWatt XLP technology for battery-friendly sleep currents. Within Microchip's hierarchy, PIC18 sits under: 8-bit PIC MCU -> PIC18 -> PIC18F/LF66K/67K/86K/87K -> PIC18LF8628. Key features of the PIC18LF8628 include 96 KB self-programmable Flash with block-erase support, 4 KB SRAM, 1024-byte non-volatile Data EEPROM for parameter storage, a 12-bit A/D converter with up to 16 input channels, multiple capture/compare/PWM modules, two MSSP ports for SPI or I2C, two USART modules with LIN support, an enhanced CCP, an LCD segment driver interface option in related parts, and nanoWatt XLP sleep modes drawing microamp-level standby current. The wide operating voltage (2.0-3.6V) and 70+ I/O pins simplify interface to large human-machine or sensor arrays. Internally, the PIC18LF8628 uses an enhanced Harvard architecture with separate program and data buses plus a 16-bit instruction word. An 8x8 hardware multiplier and 16-bit barrel-style instruction pipeline accelerate C-compiled code relative to baseline PIC16 devices. Internal oscillator blocks and the PLL allow flexible clocking from a 32 kHz secondary source up to 40 MHz, while the XLP power-management unit gates peripherals individually for deep-sleep operation. Typical applications include industrial automation controllers, HVAC and building-management panels, large-format user-interface and keypad/display nodes, automotive accessory modules, point-of-sale terminals, sensor-fusion aggregators, and any battery-backed instrumentation requiring non-volatile parameter retention (Data EEPROM) alongside substantial program memory. When designing with the PIC18LF8628, prioritize decoupling per the Microchip PIC18F8723/8628 family datasheet and budget for in-circuit serial programming (ICSP) header pins. The Data EEPROM endurance is rated for 100k erase/write cycles - exceed only with wear-leveling in firmware. This page combines verified distributor pricing (as of 2026-09-29), drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet PDF.

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PIC18LF8628T-I/PT

PIC18LF8628T-I/PT - 8-Bit PIC MCU 96KB Flash 40MHz TQFP-80 | Microchip

The Microchip Technology PIC18LF8628T-I/PT is an 8-bit PIC microcontroller from the PIC18F family, integrating 96 KB of Flash program memory (48K x 16), 4 KB of SRAM, and 1024 bytes of data EEPROM, and is housed in an 80-pin TQFP (12x12x1 mm) package with tape-and-reel packaging. The 'LF' low-voltage variant operates from 2.0 V to 5.5 V, while the 'F' non-LF counterpart runs from 4.2 V to 5.5 V. The on-chip 12-bit A/D converter with up to 16 channels, together with multiple serial peripherals (UART, SPI, I2C), makes the device a self-contained control platform for embedded systems. An 8-bit microcontroller (MCU) is a programmable computing IC built around a fixed-width data path, on-chip Flash for code storage, and a peripheral set matched to embedded control tasks such as motor drives, user interfaces, and sensor aggregation. Within the broader taxonomy, an 8-bit MCU belongs to the microcontroller family, which itself falls under embedded processors, then integrated circuits, then semiconductors. PIC18F devices specifically use Microchip's enhanced Harvard architecture with 16-bit instructions and 8-bit data, giving higher code density than legacy 8051 cores. Key features of the PIC18LF8628T-I/PT include a 40 MHz maximum CPU clock, 10 MIPS instruction throughput at 40 MHz, an enhanced 16-bit instruction set with hardware multiply, an internal oscillator block, an integrated 12-bit ADC with up to 16 channels, two analog comparators, a 10-bit PWM module, two USART modules, an MSSP (SPI/I2C) module, and 70 I/O pins. The 80-pin TQFP package provides ample I/O for parallel buses and segmented LCD driving. The PIC18LF8628 silicon uses an enhanced Harvard architecture that separates program and data buses so the CPU can fetch an instruction and read a data operand in the same cycle. With 96 KB of self-programmable Flash, the LF8628 supports in-application reprogramming via bootloader, and the 1024-byte data EEPROM allows non-volatile storage of calibration data without external serial memory. Internal oscillator trimming and a wide analog front-end reduce bill-of-materials cost. Typical applications include industrial automation controllers, HVAC control boards, automotive body and instrument clusters, point-of-sale terminals, building automation, and embedded graphical user interfaces that require large pin count and A/D-rich front ends. The wide operating temperature range (-40C to +85C industrial grade) supports outdoor and factory deployments. When designing with the PIC18LF8628T-I/PT, place 100 nF decoupling capacitors adjacent to every VDD/VSS pair and add a 10 uF bulk capacitor near the regulator output. The 80-pin TQFP requires a 12 mm x 12 mm land pattern with 0.5 mm pitch traces routed on inner PCB layers for signal integrity. Reserve MCLR pin pull-up and ICSP programming pads if in-circuit debugging is needed. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, accelerating your component selection process.

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PIC18LF8680-I/PT

PIC18LF8680-I/PT - 8-Bit 40MHz PIC18 MCU 64KB Flash TQFP-80 | Microchip

The Microchip PIC18LF8680-I/PT is an 8-bit PIC18 family microcontroller running up to 40 MHz, with 64KB of on-chip Flash program memory (32K x 16 words), 3,328 bytes of RAM, and 1,024 bytes of EEPROM data memory, housed in an 80-pin TQFP (PT) 12x12 mm package. The device integrates a 10-bit A/D converter with up to 16 channels, multiple capture/compare and PWM modules, two USART ports, a CAN 2.0B controller, an I2C/SPI master/slave interface, and up to 68 digital I/O lines, making it one of the most feature-dense legacy PIC18 microcontrollers for embedded control. The PIC18 architecture is an enhanced 8-bit Harvard RISC core with 16-bit wide instructions and a 16-bit data path, optimized for deterministic interrupt response and C-friendly compilation. The "LF" prefix denotes the low-voltage (2.0V to 5.5V) F-variant process, allowing battery-powered or 3.3V designs; the "I" suffix indicates the industrial temperature grade (-40C to +85C). The wide 54-port I/O set makes it well suited for human-machine interface panels, motor control, and multi-channel sensor aggregation. Key features include 64KB Flash, 3,328 bytes RAM, 1,024 bytes EEPROM, 68 I/O, 10-bit ADC with up to 16 channels, two CCP/PWM modules plus an enhanced CCP, two MSSP (SPI/I2C), two USART, one CAN 2.0B, two analog comparators, an ICD/ICSP debug interface, and NanoWatt power management. The 80-pin TQFP exposes four 8-bit I/O ports (RA, RB, RC, RD) plus the RE/RF/RG ports used for analog and parallel slave port, giving designers abundant pin budget for peripheral expansion. Typical applications include industrial control panels with CAN-bus networking, automotive body and HVAC controllers (non-AEC-Q100 grade - Q variants exist for automotive), HVAC thermostats with TFT/LCD displays, motor drives using PWM and feedback, smart energy metering with multi-channel ADC, and home appliances with keypad/LCD user interfaces. The CAN 2.0B peripheral plus high-pin-count package is particularly attractive for legacy industrial automation fieldbus designs. When designing with this part, route the AVss/AVdd pair with separate analog ground/power traces and place the 0.1uF + 10uF decoupling capacitor pair as close to the Vdd pins as possible. Configure unused I/O as outputs low to minimize current draw. The PT suffix designates Pb-free TQFP-80, suitable for modern RoHS-compliant assembly lines.

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PIC18LF8680T-I/PT

PIC18LF8680T-I/PT - 40MHz 8-bit MCU 64KB Flash TQFP-80 | Microchip

The Microchip Technology PIC18LF8680T-I/PT is an 8-bit PIC18F-family microcontroller IC featuring a 40MHz core, 64KB (32K x 16) of FLASH program memory, 3.25KB (3328 bytes) of RAM, and 68 I/O pins, housed in an 80-pin TQFP (12x12 mm) package. Operating from 4.2V to 5.5V, the LF-prefix denotes a low-voltage variant engineered for reduced power consumption while retaining the 16-bit instruction word and 8-bit data path of the standard PIC18F8680. An 8-bit microcontroller is a single-chip computer that integrates a CPU, program memory (ROM/FLASH), working memory (RAM), and a configurable set of digital I/O peripherals on one die. PIC18F devices in particular sit in the upper tier of Microchip's 8-bit line, combining a RISC-like Harvard architecture with a 16-bit-wide instruction set, hardware multiplier, and rich peripheral integration (CAN, ADC, PWM, I2C/SPI, USART). The 8-bit MCU hierarchy runs: PIC18F -> 8-bit PIC -> PIC microcontroller -> microcontroller (MCU) -> embedded processor -> semiconductor. It is the workhorse tier for industrial control, automotive body electronics, and human-machine interface designs where deterministic bit-manipulation and low BOM cost matter more than raw MHz. Key differentiating features include 64KB of self-programmable FLASH for in-application firmware updates, an enhanced USART supporting RS-232/RS-485, a 10-bit ADC with up to 16 channels, multiple timer modules, and a 10 MIPS instruction throughput at 40MHz. The 80-pin TQFP package provides 68 user I/O pins, sufficient to drive parallel LCDs, keypad matrices, and external memory buses without multiplexing. Code protection fuses guard intellectual property. The LF8680 uses Microchip's standard PIC18 core with a 2-stage instruction pipeline, an 8x8 hardware multiplier for integer math acceleration, and an internal oscillator block. The 16-bit instruction word gives the device a large address space (2MB linear) while preserving the byte-oriented peripheral register model familiar to PIC developers. The architecture is documented in the PIC18F Reference Manual. Typical applications include industrial automation controllers, automotive instrument clusters, building-automation HVAC nodes, smart-meter data concentrators, and point-of-sale terminals that need CAN/Ethernet-style connectivity via external transceivers plus abundant GPIO for legacy parallel interfaces. When designing with this part, verify your power-rail decoupling budget matches the 68 I/O simultaneous-switching worst case, and budget enough FLASH endurance margin (100K erase/write cycles typical) if your design performs frequent firmware updates. The T suffix indicates tape-and-reel packaging, while the I suffix denotes the industrial -40C to +85C temperature grade. This page synthesizes verified distributor pricing, in-package drop-in alternatives, and practical design considerations not consolidated in the standalone Microchip datasheet, giving procurement and engineering teams a single reference for the PIC18LF8680T-I/PT.

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PIC18LF8720-I/PT

PIC18LF8720-I/PT - 8-Bit 25MHz 128KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18LF8720-I/PT is an 8-bit PIC microcontroller with 128KB (64K x 16) of Flash program memory, operating at up to 25 MHz (40 MHz per alternate datasheet source), housed in an 80-pin TQFP (12x12 mm) package. It features the LF (low-voltage) variant core supporting 1.8V to 3.3V operation with a 4.2V-5.5V supply tolerance per datasheet. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM), and programmable peripherals. The PIC18 family belongs to the 8-bit microcontrollers category within the broader microcontroller hierarchy: MCU -> 8-bit MCU -> PIC18 -> high-performance enhanced Flash MCU -> semiconductor. The LF prefix designates low-power variants optimized for battery and portable applications where reduced core voltage extends operating life. Key specifications include 128KB Flash program memory, 3840 bytes of RAM, 1024 bytes of EEPROM data memory, 68 I/O pins (per datasheet 80-pin count minus power/clock pins), and a 12-bit A/D converter with up to 16 channels. The PIC18LF8720 features 2 enhanced USART modules, MSSP (SPI/I2C), CAN, and a parallel slave port, making it a peripheral-rich platform for industrial communication protocols. The PIC18LF8720 architecture uses Microchip's enhanced Harvard architecture with separate program and data buses, allowing instruction fetch and data access in the same clock cycle. A hardware multiplier executes 8x8 single-cycle multiplies, and the C compiler-optimized instruction set delivers 16 MIPS performance at 25 MHz, enabling efficient C code development for embedded applications. Typical applications include industrial control panels, instrumentation, TCP/IP-enabled embedded networking, metering, and human-machine interface (HMI) controllers. The wide peripheral set suits CAN-based automotive sub-systems, RS-485 industrial networks, and graphical displays via parallel master port. When designing with this MCU, ensure the LF voltage range (1.8V-3.3V typical, 4.2V-5.5V per supply spec) matches your system rail. Use Microchip's MPLAB X IDE and a PICkit 3/4 or ICD programmer for development. The 80-pin TQFP requires a 12x12 mm PCB footprint with the exposed pad properly soldered for thermal dissipation. This page synthesizes distributor pricing, drop-in alternatives from Microchip's PIC18 family, and practical design notes not aggregated on a single distributor page, giving engineers a single consolidated view for sourcing and design decisions.

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PIC18LF8720T-I/PT

PIC18LF8720T-I/PT - 8-bit MCU, 128KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18LF8720T-I/PT is a low-voltage, high-performance 8-bit PIC microcontroller built on an enhanced RISC architecture with 128 KB (64K x 16) of Flash program memory and 3,840 bytes of RAM, housed in an 80-pin TQFP (PT) 12x12 mm package. The 'LF' prefix designates the low-power F-variant core that operates across a wide 2.0 V to 5.5 V supply range, while the 'T' suffix indicates tape-and-reel packaging for high-volume surface-mount assembly. The device integrates 68 digital I/O lines, a 10-bit analog-to-digital converter, two asynchronous serial ports, a master I2C/SPI synchronous serial port, and multiple 16-bit timer/counter modules. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and programmable peripherals around an 8-bit data path. The PIC18 family sits at the top of Microchip's 8-bit portfolio and is commonly used in the broader category of embedded controllers / microcontrollers / microcomputer ICs / semiconductor ICs. PIC18 devices follow a modified Harvard architecture with separate program and data buses, an accumulator-based CPU, and a RISC instruction set that executes most instructions in a single clock cycle, making them well suited to deterministic real-time control. Key features of the PIC18LF8720 include 25 MHz (or 40 MHz in the broader family) maximum operating frequency, hardware multiplier for 8x8 unsigned multiply in one cycle, self-programming Flash with block-level write protection, ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debug) support, four oscillator options including PLL, and a flexible brown-out-reset and low-voltage-detect block. The 10-bit ADC supports up to 16 channels with automatic acquisition and conversion, simplifying mixed-signal designs that need both analog sensing and digital control. Internally the PIC18LF8720 uses an enhanced flash cell array organized as 64K x 16 with a 16-bit program counter, supporting linear addressing up to 2 MB and a hardware stack of 31 levels for subroutine/exception context save. Interrupt latency is deterministic at four instruction cycles, and the device supports prioritized interrupts with a high-priority vector at 0x0008 and low-priority at 0x0018. The dual USART with address-maskable receive mode and the MSSP peripheral that can operate in SPI or I2C mode enable connectivity to sensors, EEPROMs, displays, and external peripherals common in industrial and consumer designs. Typical applications include industrial control panels, instrument front ends with displays and keypads, HVAC controllers, home appliances, USB-to-UART bridge firmware hosts, and CAN-capable gateway nodes when paired with an external transceiver. The wide 2.0 V to 5.5 V supply allows direct operation from a 3.3 V regulated rail or a multi-cell battery stack without level shifters. When designing with this part, ensure the ICSP/PGD and PGC pins are reserved for in-circuit programming and debugging, even in production layouts, to allow field firmware updates. Use a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair, and place a bulk 10 uF tantalum or ceramic capacitor near the device to handle inrush during Flash programming. This page synthesizes distributor pricing, drop-in alternatives within the PIC18LF 80-pin TQFP family, and practical design notes not found in the manufacturer datasheet alone.

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製品 (32865)

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

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

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

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

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

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

PIC18LF8490-I/PT - 8-bit MCU 16KB Flash 768 RAM 66 I/O | Microchip

PIC18LF8490T-I/PT - 16KB Flash LCD MCU 40MHz TQFP-80 | Microchip

PIC18LF8493-I/PT - 8-bit 40MHz 16KB Flash LCD MCU | Microchip

PIC18LF8520-I/PT - 8-bit PIC MCU, 32KB Flash, 80-TQFP | Microchip

PIC18LF8525-I/PT - 8-Bit 40MHz MCU, 48KB Flash, 80-TQFP | Microchip

PIC18LF8525T-I/PT - 8-bit 40MHz MCU, 48KB Flash, TQFP-80 | Microchip

PIC18LF8527T-I/PT - 8-bit 40MHz 48KB Flash MCU | Microchip

PIC18LF8585-I/PT - 8-bit 40MHz MCU 48KB Flash 80-TQFP | Microchip

PIC18LF8620T-I/PT - 64KB Flash 8-bit MCU, 25MHz, 80-TQFP | Microchip

PIC18LF8621T-I/PT - 8-bit 40MHz 64KB Flash MCU 80-TQFP | Microchip

PIC18LF8622T-I/PT - 8-Bit MCU, 64KB Flash, 40MHz, 80-TQFP | Microchip

PIC18LF8627T-I/PT - 8-Bit MCU, 96KB Flash, 80-TQFP | Microchip

PIC18LF8628-I/PT - 96KB Flash 8-bit MCU, 80-pin TQFP | Microchip

PIC18LF8628T-I/PT - 8-Bit PIC MCU 96KB Flash 40MHz TQFP-80 | Microchip

PIC18LF8680-I/PT - 8-Bit 40MHz PIC18 MCU 64KB Flash TQFP-80 | Microchip

PIC18LF8680T-I/PT - 40MHz 8-bit MCU 64KB Flash TQFP-80 | Microchip

PIC18LF8720-I/PT - 8-Bit 25MHz 128KB Flash MCU 80-TQFP | Microchip

PIC18LF8720T-I/PT - 8-bit MCU, 128KB Flash, 80-TQFP | Microchip