Интегральные схемы

PIC18F66K80-H/PT

PIC18F66K80-H/PT - 64KB Flash, ECAN 8-bit MCU | Microchip

The Microchip PIC18F66K80-H/PT is a high-temperature grade 8-bit PIC microcontroller with integrated ECAN and eXtreme Low Power (XLP) technology, packaged in a 64-pin TQFP (PT). It features 64 KB of FLASH program memory (32K x 16), 3.6 KB of RAM, and runs the PIC18 core at up to 64 MHz delivering 16 MIPS of computational throughput over a 1.8 V to 5.5 V supply range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), data memory (RAM), and programmable peripherals into one package. The PIC18 family is an 8-bit Harvard-architecture family that sits within Microchip's broader product hierarchy of 8-bit MCU -> PIC MCU -> PIC18 family -> microcontroller -> embedded computing. The "K" series adds nanoWatt XLP technology, integrated CAN bus peripherals, and enhanced peripherals aimed at automotive and industrial control. Key features of the PIC18F66K80-H/PT include 11 channels of 12-bit Analog-to-Digital Conversion (ADC), an integrated ECAN module for industrial and automotive networking, multiple serial interfaces (UART, SPI, I2C), and nanoWatt XLP sleep modes that cut quiescent current into the nanoamp range. The 64-pin TQFP package exposes up to 53 digital I/O pins plus the dedicated oscillator, programming, and analog lines needed for full peripheral utilization. The -H suffix designates the high-temperature grade variant rated for -40C to +150C operation, while the standard -I and -E grades cover -40C to +85C and -40C to +125C respectively. According to Microchip's datasheet, the -H variant is qualified to AEC-Q100 standards for under-hood automotive and harsh-environment industrial deployments where commercial temperature grades fail to meet thermal margin. Typical applications include CAN-connected automotive body and powertrain ECUs, building automation nodes, elevator controllers, industrial sensor hubs, and pulse-oximeter front-end controllers. The integrated ECAN and 12-bit ADC pair particularly well with analog sensor conditioning and distributed control networks. When designing with this part, ensure the MCLR reset circuit and ICSP programming header follow Microchip's AC244040-style recommendations to avoid programming failures. Decoupling must include a 100 nF ceramic capacitor adjacent to each VDD/VSS pair plus a bulk 10 uF tantalum near the package. This page synthesizes distributor pricing, AEC-Q100 qualification details, and same-package drop-in alternatives (different temperature grade) drawn from Microchip's PIC18F66K80 family datasheet - engineering context not consolidated on a single manufacturer page.

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PIC18F66K80-I/MR

PIC18F66K80-I/MR - 8-bit 64MHz 64KB Flash MCU w/ ECAN | Microchip

The Microchip Technology PIC18F66K80-I/MR is an 8-bit PIC18 microcontroller built on the eXtreme Low Power (XLP) nanoWatt architecture, integrating a hardware ECAN module and delivering up to 64 KB of Flash and 4 KB of RAM in a 64-pin VQFN (9x9 mm) package. It runs at 64 MHz (16 MIPS) over a 1.8 V to 5.5 V supply, with 12-bit ADC, CTMU, and nanoWatt XLP sleep modes below 1 uA. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC18 family uses a RISC-based 8-bit core with hardware multiplier, 16-bit instructions, and a Harvard bus that separates program and data paths. The PIC18F66K80 sits in Microchip's "K" mid-range tier, balancing high-performance peripherals (ECAN, 12-bit ADC, CTMU) with the XLP power-saving feature set. Key features include integrated ECAN 2.0B for industrial and automotive networking, a 12-bit A/D converter with up to 16 channels, mTouch capacitive-touch via CTMU, 64 KB self-programming Flash, 1 KB EEPROM, four 8-bit timers plus multiple 16-bit timers, two MSSP (SPI/I2C) ports, and two enhanced USART modules. nanoWatt XLP modes include deep sleep with RTC and WDT operation typically under 1 uA. Typical applications include automotive body and cluster networks (ECAN nodes), building-control and HVAC equipment, elevator control panels, industrial sensor hubs, and low-power remote sensor modules. The wide 1.8-5.5 V range and low sleep current make it well suited to battery-backed or energy-harvesting designs. When designing with this part, ensure decoupling is placed near each power pin, leave the no-connect (NC) pins per the pinout, and configure the CONFIG words for oscillator, watchdog, and code protection. Use MPLAB X IDE with the XC8 compiler for code development and debugging.

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PIC18F66K80-I/PT

PIC18F66K80-I/PT - 8-bit XLP MCU 64KB Flash ECAN | Microchip

The Microchip Technology PIC18F66K80-I/PT is a high-performance 8-bit PIC18 microcontroller with integrated ECAN (Enhanced Controller Area Network), nanoWatt XLP (eXtreme Low Power) technology, and 64 KB of Flash program memory, packaged in a 64-pin TQFP (10x10 mm). It operates from 1.8 V to 5.5 V and supports a maximum CPU clock of 64 MHz, delivering up to 16 MIPS of computational throughput. An 8-bit PIC microcontroller (MCU) is a Harvard-architecture microcontroller that combines a CPU, program memory (Flash), data memory (SRAM), non-volatile EEPROM, and a rich set of on-chip peripherals in a single silicon die. The PIC18 family is Microchip's high-performance tier, and the 'K80' subset adds an ECAN module (CAN 2.0B compliant), a 12-bit ADC with up to 12 channels, and nanoWatt XLP sleep modes that drop quiescent current below 100 nA - making this category ideal for battery-powered and automotive-grade networked nodes. Key features include 64 KB Flash, 4 KB RAM, 1 KB EEPROM, integrated ECAN, 12-bit A/D converter with up to 12 input channels, three 16-bit timers, four CCP/ECCP modules, two analog comparators, CTMU (Charge Time Measurement Unit) for capacitive touch, and a 54-pin I/O count. Peripherals include I2C, SPI, AUSART (enhanced USART), and USB 2.0 full-speed on select derivatives. The wide 1.8V-5.5V operating range supports direct connection to 3.3V and 5V rails in mixed-voltage systems. Architecturally, the PIC18F66K80 employs a 16-bit instruction word with an 8-bit data path and a hardware multiplier for 8x8 signed/unsigned operations in a single cycle. The integrated ECAN module implements the CAN 2.0B active specification with 32 acceptance filters/masks and supports both standard and extended identifiers, suiting it to industrial control, building automation, and automotive body networks. nanoWatt XLP includes IDLE, DOZE, and deep Sleep modes, plus ultra-low-power wake from RTCC or INT0. Typical applications include automotive body and chassis ECAN nodes (CAN gateway, body controller, HVAC, instrument cluster), industrial elevator control, building automation (BACnet or CAN nodes), smart metering, capacitive touch human-machine interfaces, and battery-powered sensor platforms. ECAN integration eliminates an external CAN transceiver's microcontroller-side firmware burden and reduces BOM. When designing with this part, ensure the ICSP/ICD pins (PGC/PGD) are accessible for in-circuit programming and debugging. Use a 20 MHz or 16 MHz crystal with proper load capacitors for full 64 MHz operation via the internal 4x PLL. For automotive deployments, validate the part's automotive-grade variant (PIC18F66K80T-I/PT with extended qualification) against your EMC and temperature requirements. This page synthesizes real-time distributor pricing, verified drop-in alternatives from the same PIC18F66K80 family, and practical design notes not found on the manufacturer product page, giving procurement and firmware engineers a single decision-ready reference.

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PIC18F66K80T-I/PT

PIC18F66K80T-I/PT - 8-bit 64KB Flash MCU w/ ECAN | Microchip

The Microchip PIC18F66K80T-I/PT is an 8-bit PIC18 microcontroller featuring 64 KB Flash program memory, 4 KB RAM, and an integrated ECAN module, delivered in a 64-pin TQFP (10x10 mm) package. Operating from 1.8 V to 5.5 V with a maximum CPU clock of 64 MHz (16 MIPS instruction throughput), it is the Tape & Reel variant of the PIC18F66K80-I/PT family optimized for high-temperature automotive and industrial applications. An 8-bit PIC microcontroller is a CISC-style Reduced Instruction Set Computing (RISC) device that combines a CPU core, Flash program memory, SRAM data memory, EEPROM, and a rich peripheral set on a single die. PIC18 microcontrollers sit within Microchip's broader hierarchy of MCU -> microcontroller -> embedded controller -> semiconductor IC, and the K-series adds nanoWatt XLP extreme-low-power technology that enables sleep currents measured in nanoamperes. Key features of the PIC18F66K80 family include a 12-bit ADC with up to 12 channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise timing, an integrated ECAN module supporting CAN 2.0B, 54 digital I/O pins, and multiple serial interfaces (UART, SPI, I2C). It also integrates nanoWatt XLP technology for low-power sleep modes. The CPU architecture is an 8-bit Harvard RISC core with hardware multiplier and 16-bit instructions, achieving 16 MIPS at 64 MHz. The ECAN peripheral implements the full CAN 2.0B protocol with hardware acceptance filters and a dedicated DMA engine that offloads message handling from the CPU. Typical applications include automotive body and chassis ECUs, CAN-connected industrial control nodes, building automation controllers, capacitive touch user interfaces (via CTMU), and battery-powered sensor hubs. The wide 1.8-5.5 V supply range and XLP sleep modes make it attractive for always-on subsystems. When designing with this part, observe the supply-voltage derating at maximum CPU clock: at 64 MHz the minimum VDD must remain above approximately 4.2 V per the datasheet, so dropping to a 3.3 V rail typically requires limiting FOSC to about 40 MHz. The T-suffix indicates Tape & Reel packaging and the I-suffix denotes the industrial -40C to +85C operating range. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.

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PIC18F66K90-E/MR

PIC18F66K90-E/MR - 64KB Flash 8-bit MCU LCD nanoWatt XLP | Microchip

The Microchip Technology PIC18F66K90-E/MR is an 8-bit PIC microcontroller in the PIC18F87K90 family, featuring 64 KB of Flash program memory (32K x 16), 4 KB RAM, and a 64-pin 9x9 mm VQFN (MR) package with exposed thermal pad. It integrates nanoWatt XLP ultra-low-power technology, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, a segment LCD driver, and runs up to 64 MHz (16 MIPS) over a 1.8-5.5 V supply range. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals such as timers, ADC, communication controllers, and I/O. The PIC18F family sits within Microchip's 8-bit RISC architecture hierarchy: PIC18F -> enhanced 8-bit core with C-friendly instruction set -> PIC family -> 8-bit microcontroller -> embedded processor -> semiconductor. nanoWatt XLP variants specifically target battery-powered designs where deep-sleep currents in the nA range are required. Key features include 24 channels of capacitive touch support via the CTMU module, an integrated LCD driver with up to 192 segments, three independent CCP/ECCP modules, two MSSP (SPI/I2C) ports, two EUSART modules, a 12-bit ADC with up to 16 channels, and deep-sleep currents under 100 nA typical. The -E suffix denotes the extended (-40C to +125C) operating temperature range, qualifying the part for harsh-environment and automotive under-hood designs. The PIC18F66K90 is built on an enhanced Harvard architecture with a modified 16-bit instruction word, providing a 78-instruction set that supports both compiler-friendly C and assembly. The CTMU produces a constant current that, combined with an internal timer, lets the ADC measure capacitance changes for touch buttons, sliders, and proximity sensors without external analog ICs. The LCD segment driver can drive up to 192 pixels with software-selectable contrast bias. Typical applications include battery-powered LCD thermostats and remote controls, capacitive-touch user interfaces for appliances, utility metering with segment displays, portable medical monitors, industrial HMI panels, and ultra-low-power IoT sensor nodes. The combination of nanoWatt XLP, CTMU touch, and integrated LCD enables single-chip UI designs that previously required multiple discrete components. When designing, place the exposed pad (EP) to a solid copper pour connected to VSS for thermal dissipation and electrical ground. Use MPLAB X IDE with XC8 compiler and the Microchip Code Configurator (MCC) for peripheral setup. Provide a 1 uF + 100 nF decoupling pair adjacent to each VDD pin and route the 32.768 kHz crystal traces symmetrically with a grounded guard ring to minimize RTC jitter. This page synthesizes XAIPART distributor pricing, drop-in same-package alternatives, and practical touch/LCD design notes not found in the manufacturer datasheet alone, giving embedded engineers a single source for sourcing and engineering decision support.

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PIC18F66K90-E/PT

PIC18F66K90-E/PT - 64KB Flash LCD 8-bit MCU | Microchip

The Microchip Technology PIC18F66K90-E/PT is a 64-KB Flash, 4-KB SRAM, 8-bit PIC microcontroller in a 64-pin TQFP (10x10 mm) package, operating up to 64 MHz with nanoWatt eXtreme Low Power (XLP) technology. It integrates an integrated LCD driver supporting up to 96 segments, a Charge Time Measurement Unit (CTMU) for capacitive touch, an enhanced analog comparator, and 24 channels of 12-bit ADC. The -E temperature grade designates the -40C to +125C extended-industrial operating range, making this part suitable for harsh-environment displays. A PIC18 microcontroller is an 8-bit Harvard-architecture RISC MCU from Microchip's PIC18 family. Within the broader taxonomy, PIC18 belongs to: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18F66K90 sits in the 'K90' sub-family that adds XLP deep-sleep modes (as low as 20 nA), making it well suited to battery-powered touch-enabled human-machine interfaces. The integrated LCD segment driver eliminates the need for an external LCD controller in low-to-medium pixel count products. Key differentiating features include the on-chip CTMU enabling capacitive-button and slider sensing via a single copper layer, flexible oscillator selection (8 MHz internal HFINTOSC, 31 kHz LFINTOSC, external crystal, and PLL up to 64 MHz), and self-programmability of Flash under software control. The peripheral set adds two MSSP (SPI/I2C), two EUSART, mTouch hardware averaging, and up to 30 capacitive-touch channels via CTMU. The dual-row 64-pin TQFP simplifies PCB routing compared to QFN variants while still providing a manageable 10x10 mm footprint. Typical applications include battery-powered medical glucose meters, industrial HMI panels with touch buttons, electronic shelf labels, water/gas meters, and remote control keypads. The combination of low standby current and integrated LCD bias generation removes several discrete components and a separate charge-pump IC from BOM. The E/PT grade extends operating range beyond commercial limits, supporting outdoor or automotive-cabin installations. When laying out the PCB, observe Microchip application note AN578 (LCD biasing and charge pump design) for the segmented glass contrast stability across temperature, and follow Microchip's mTouch design guide for the CTMU touch-pad geometry. Programming is performed via ICSP (In-Circuit Serial Programming) over the PGC/PGD pins, which must be accessible even on production boards for field updates.

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PIC18F66K90-I/MR

PIC18F66K90-I/MR - 8-Bit XLP MCU 64KB Flash LCD | Microchip

The Microchip Technology PIC18F66K90-I/MR is an 8-bit PIC18 XLP microcontroller featuring 64KB Flash, 4KB RAM, integrated LCD driver, and nanoWatt XLP technology, housed in a 64-pin VQFN (9x9 mm) package with exposed pad. It operates at up to 64 MHz instruction clock with a supply voltage range of 1.8V to 5.5V across industrial temperature grades, and provides 54 digital I/O pins with peripheral support including CTMU, ADC, and mTouch capacitive touch sensing. An 8-bit microcontroller (MCU) is a compact programmable processor that integrates CPU, Flash program memory, SRAM, peripherals, and I/O on a single silicon die. Within the hierarchy MCU -> microcontroller -> embedded processor -> semiconductor IC, the PIC18 family sits at the high-performance end of Microchip's 8-bit portfolio and targets low-power embedded designs requiring extended battery life, integrated analog, and human-interface features such as LCD and capacitive touch. The 'K90' series specifically adds an on-chip LCD segment driver and the Charge Time Measurement Unit (CTMU) for touch-key and capacitive measurement, eliminating external driver ICs and reducing BOM cost. Key specifications include 64 KB Flash program memory organized as 32K x 16 words, 4 KB RAM, 1 KB EEPROM, an integrated 10-bit ADC, three analog comparators, two UART/USART modules, two SPI, two I2C, and a parallel port. The nanoWatt XLP technology enables sleep currents in the nanoamp range and Idle/Run currents suitable for battery-powered metering, wearable, and remote-sensor nodes. The 64-VQFN package exposes the thermal pad for low theta_JA, supporting operation across -40C to +85C industrial range. Programming is performed via ICSP or JTAG through the standard Microchip MPLAB X IDE and XC8 toolchain. Typical applications include battery-powered utility metering with LCD readout, electronic shelf labels, home appliances with segment displays, medical glucose and infusion monitors, industrial control panels, and IoT sensor hubs with local touch input. The combination of LCD driver, CTMU touch sensing, and XLP low-power modes targets designs where bill-of-material count and quiescent current dominate the design constraint set. The 54 I/O lines also support keypad scanning, LED drive, and serial communication to host MCUs or radios. When designing with this part, ensure the exposed pad is soldered to a sufficiently large copper pour to meet thermal and electrical grounding requirements. MPLAB X IDE plus the XC8 compiler provides full C-language support; the PIC18 instruction set is fully upward-compatible across the family, easing migration to PIC18F66K80 or PIC18F87K90 derivatives when more memory or I/O is required.

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PIC18F66K90-I/PT

PIC18F66K90-I/PT - 8-bit 64MHz 64KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F66K90-I/PT is an 8-bit PIC18 microcontroller built on nanoWatt XLP technology, integrating 64KB of Flash program memory, 4KB of RAM, and 1KB of EEPROM in a 64-pin TQFP (10x10 mm) package. It operates at up to 64MHz (with 40MHz mentioned in some distributor datasheets) and targets battery-powered applications with an integrated LCD driver and Charge Time Measurement Unit (CTMU) for capacitive touch interfaces. Key features include an integrated LCD driver supporting up to 192 segments, the CTMU peripheral for capacitive touch sensing, nanoWatt XLP sleep modes for low-power operation, and 54 configurable I/O pins. The device includes multiple communication peripherals such as EUSART, I2C, and SPI, along with 12-bit ADC and multiple timers. The 64-pin TQFP package provides ample I/O for complex embedded designs while maintaining a compact 10x10mm footprint. The PIC18F66K90-I/PT belongs to Microchip's PIC18F87K90 family, which features nanoWatt XLP technology for ultra-low-power sleep modes. The architecture includes a 16-bit instruction set with 8-bit data path, hardware multiplier, and 31-level hardware stack. The CTMU module enables accurate time measurement for capacitive touch sensing applications, making it ideal for user interfaces on battery-powered devices. Typical applications include battery-powered LCD displays, medical glucose meters and patient monitors, home automation control panels with touch interfaces, industrial HMI panels, and consumer electronics with segmented LCD displays. The combination of LCD driver, capacitive touch, and low-power operation makes it particularly suitable for handheld instruments requiring extended battery life. When designing with this MCU, ensure proper decoupling capacitors are placed near the VDD pins. The LCD driver requires bias voltage generation - use Microchip's recommended charge pump or resistor ladder network. For capacitive touch applications, the CTMU module requires careful PCB layout to minimize noise and ensure accurate touch detection.

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PIC18F66K90-I/PTRSL

PIC18F66K90-I/PTRSL - 8-bit 64MHz 64KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F66K90-I/PTRSL is an 8-bit PIC18 RISC microcontroller built on nanoWatt XLP technology, integrating 64KB (32K x 16) of Flash program memory, 4KB of RAM, and 1KB of EEPROM in a 64-pin TQFP (10x10 mm) package. It executes instructions at up to 64MHz from an internal oscillator, providing the throughput required for LCD control loops, capacitive-touch scanning, and serial communication stacks on a single die. An 8-bit microcontroller (MCU) is a programmable processor whose internal datapath, registers, and ALU are 8 bits wide; it belongs to the broader class of microcontrollers (MCUs), which themselves sit under embedded processors and, more generally, semiconductors. MCUs integrate CPU, memory, and peripherals into one chip to replace discrete logic in battery-powered and cost-sensitive designs. The PIC18 family extends Microchip's mid-range 8-bit line with 16-bit-wide instructions, an 8-level hardware stack, and C-friendly addressing — making it a bridge between classic PIC16 simplicity and 16-bit dsPIC performance. Key features include 53 digital I/O lines, a 16-channel 12-bit A/D converter, four timers, two CCP modules, three ECCP modules, an integrated LCD driver (up to 384 segments), a Charge Time Measurement Unit (CTMU) for capacitive touch, EUSART, I2C, SPI, and nanoWatt XLP sleep currents below 100 nA. The CTMU + LCD + XLP combination targets battery-powered HMI subsystems that must wake periodically, scan keys or touch pads, refresh a glass LCD, and return to deep sleep without draining the cell. Architecturally the PIC18F66K90 uses a Harvard bus with separate Flash and data paths, an in-circuit debug (ICD) interface, and a wide operating voltage range (1.8V to 5.5V family-typical) that allows direct connection to 2.5V, 3.3V or 5V rails. The automotive "I" temperature grade (-40C to +85C) and 64-pin TQFP footprint suit both consumer appliance HMI boards and under-dash automotive clusters. Typical applications include battery-powered blood-glucose meters, thermostats, home-appliance front panels with LCD + capacitive touch, automotive instrument clusters, e-bike dashboards, and low-cost industrial controllers. The "PTRSL" suffix denotes 64-pin TQFP supplied on tape and reel. When designing with this part, budget Flash for both the application and a robust bootloader: 64KB leaves roughly 30KB free after a USB stack or graphics library. Decouple VDD/VSS with 100nF + 10uF, route the 32.768kHz crystal close to SOSCO/SOSCI if RTC accuracy matters, and tie MCLR through a 10k pull-up. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F66K90T-I/MR

PIC18F66K90T-I/MR - 64KB Flash, 8-bit MCU w/ LCD | Microchip

The Microchip PIC18F66K90T-I/MR is an 8-bit PIC microcontroller from the PIC18F87K90 family with 64KB Flash program memory, 4KB RAM, and 1KB EEPROM, housed in a 64-pin VQFN (MR) package with exposed thermal pad. It operates up to 64MHz and supports 1.8V-5.5V supply (with core operation from 1.8V and LCD charge pump configurations extending effective use to 5.5V), integrating a segmented LCD driver, nanoWatt XLP ultra-low-power technology, and a Charge Time Measurement Unit (CTMU) supporting capacitive touch. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, I/O peripherals, and often analog/digital interfaces on one die. PIC18F devices use Microchip's enhanced Harvard RISC architecture with a 16-bit instruction word, placing them in the broader hierarchy: microcontroller -> embedded controller -> semiconductor -> integrated circuit. The K90 sub-family adds segmented LCD glass driving and ultra-low-power sleep modes targeting human-interface and battery-powered products. Key features include 24 channels of capacitive touch sensing via the CTMU, integrated segmented LCD driver (up to 192 segments), 12-bit A/D converter, multiple PWM/ECCP modules, and nanoWatt XLP technology with currents as low as 20nA in deep sleep. The VQFN-64 (MR) 9x9 mm package with exposed pad supports thermal dissipation for industrial-grade -40C to +85C operation. 54 digital I/O pins enable rich human-machine interface designs. Architecturally the device uses a modified Harvard core with hardware multiply, 31-level stack, and 32 interrupt sources. The LCD module supports static, 1/2, 1/3, 1/4 duty and 1/2, 1/3 bias with an integrated charge pump enabling LCD operation from a single low-voltage supply, eliminating the need for a boosted analog rail. Typical applications include battery-powered thermostats, portable medical monitors, industrial control panels with LCD, electronic shelf labels, gas/water meters, and capacitive-touch human-interface panels. The combination of XLP low power, integrated LCD, and CTMU touch makes it well-suited for any segment-LCD display product that needs a touch overlay and long battery life. When designing with this part, allocate sufficient PCB copper under the exposed pad for thermal relief and connect it with multiple vias to the inner ground plane. The CTMU calibration procedure in the datasheet should be followed exactly for accurate touch sensing. Decoupling must include 100nF ceramic plus bulk capacitance near each supply pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on any single manufacturer page.

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PIC18F66K90T-I/PT

PIC18F66K90T-I/PT - 8-bit 64MHz 64KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F66K90T-I/PT is a high-performance 8-bit PIC18 microcontroller with 64KB Flash program memory, 4KB RAM, and an integrated LCD driver, housed in a 64-pin TQFP (10x10mm) package. It operates at up to 64MHz (using the PLL from the internal 16MHz oscillator) on a 1.8V to 5.5V supply range, with 54 digital I/O pins and an on-chip LCD controller capable of driving up to 192 segments. The part is rated for the industrial -40C to +85C temperature range and ships in tape-and-reel packaging (the trailing 'T' suffix). A PIC microcontroller (Programmable Interface Controller) is a compact RISC-based MCU family from Microchip that combines a CPU core, Flash program memory, RAM, EEPROM, and a rich peripheral set (ADC, UART, SPI, I2C, timers, comparators) on a single silicon die. PIC microcontrollers sit within the broader taxonomy of microcontrollers -> embedded processors -> semiconductors, and the 8-bit PIC18 family specifically occupies the performance-leading tier of Microchip's 8-bit line, adding hardware multipliers, larger linear addressing and C-friendly extensions to the original PIC16 instruction set. Key features of the PIC18F66K90T-I/PT include nanoWatt XLP extreme-low-power technology with sleep currents measured in nanoamperes, an integrated Charge Time Measurement Unit (CTMU) supporting up to 24 channels of capacitive touch sensing without external touch ICs, a 12-bit A/D converter with up to 16 channels, multiple Enhanced USART, SPI and I2C peripherals, and self-programming Flash for in-field firmware updates. A real-time clock calendar with separate oscillator pins and a wide range of timer/capture/compare/PWM modules further expand its capability. The device's architecture pairs an 8-bit Harvard CPU with 1024 bytes of data EEPROM, hardware multiply and a single-cycle 8x8 multiplier, providing enough headroom for real-time control loops while preserving the deterministic interrupt response engineers expect from PIC cores. The LCD driver is configurable from 8 to 192 segments, allowing direct multiplexing of character or dot-matrix glass without external charge-pump circuitry, and can remain active in sleep for ultra-low-power meter and appliance designs. Typical applications include battery-powered LCD meters, white goods user interfaces with capacitive touch keys, medical glucose and infusion monitors, industrial process controllers with segment displays, and remote sensor/HMI nodes where nanoWatt XLP extends operating life from small cells. When designing, select the appropriate TQFP package land pattern (10x10mm) and follow Microchip AN1229 for low-power LCD bias generation, and ensure the I/O voltage domain matches the chosen LCD glass (typically 3V or 5V) to prevent contrast drift.

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PIC18F6720-E/PT

PIC18F6720-E/PT - 64KB Flash, 80-Pin MCU | Microchip

The Microchip PIC18F6720-E/PT is a high-performance 8-bit CMOS Flash microcontroller based on the enhanced PIC18 instruction set architecture, providing up to 10 MIPS of processing throughput at 40 MHz, packaged in a 64-pin TQFP (PT) with 10x10 mm body. It integrates 128 KB of Flash program memory (64K x 16 words), 3936 bytes of RAM, and 1024 bytes of EEPROM, paired with 54 digital I/O pins, a 12-channel 10-bit Analog-to-Digital converter, two analog comparators, and a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, program memory, data RAM, and peripherals onto one silicon die. The PIC18 family belongs to the broader 8-bit MCU taxonomy, sitting under the larger microcontroller category and ultimately under embedded processors/ICs in the semiconductor hierarchy. PIC18 devices are widely used because of their deterministic instruction execution, low power consumption, self-programmability, and C-compiler friendly architecture that simplifies firmware development for cost-sensitive embedded designs. Key differentiating features of the PIC18F6720-E/PT include its 40 MHz maximum operating frequency, wide 4.2V to 5.5V supply range, four timer modules plus a 16-bit timer, five capture/compare/PWM (CCP) channels, and external memory addressing up to 2 MB. The device also supports In-Circuit Serial Programming (ICSP) via the integrated ICD, dual analog comparators with programmable reference, and parallel slave port for external bus interfacing. The 'E' suffix denotes the extended industrial temperature range (-40C to +125C). Architecturally, the PIC18F6720 uses an enhanced Harvard bus with separate program and data paths, an 8-bit ALU, and a hardware multiplier for 8x8 signed/unsigned operations in a single cycle. The 1024-byte EEPROM and 128 KB Flash support self-programming under firmware control, enabling bootloader-based field updates. The 12-channel 10-bit ADC delivers up to 30 ksps conversion rate, sufficient for sensor monitoring and motor control loops. Typical applications include industrial automation controllers, automotive body and HVAC subsystems, smart energy metering, building automation, white goods with HMI displays, and embedded operator-interface terminals. The 54 I/O pins make it well-suited for keypad scan, LCD drive, and multi-signal acquisition designs. Designers should pay particular attention to the decoupling capacitor network around VDD/AVDD/VSS/AVSS and to the ICSP clock/data pin assignments that must be reserved for in-system programming. For migration paths, engineers should evaluate the PIC18F66K90-I/PT family, which provides lower power consumption and newer peripherals in the same 64-pin TQFP footprint. This page synthesizes distributor pricing, drop-in alternatives, parametric comparisons, and practical design notes that supplement the Microchip datasheet with engineer-friendly context.

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PIC18F6720-I/PT

PIC18F6720-I/PT - 8-Bit 128KB Flash MCU 64-TQFP | Microchip

The Microchip Technology PIC18F6720-I/PT is an 8-bit PIC18F RISC microcontroller with 128 KB (64K x 16) Flash program memory, 1024 bytes of EEPROM data memory, and 3936 bytes of RAM, operating at up to 25 MHz (10 MIPS) from a 4.2 V to 5.5 V supply in a 64-pin TQFP (10x10 mm) package. A microcontroller (MCU) is a self-contained integrated circuit that combines a processor core, program memory, data memory, and configurable peripherals on a single die. Within the semiconductor taxonomy, the PIC18F6720 sits at microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC18F family uses a modified Harvard RISC architecture with a 16-bit instruction word, allowing most instructions to execute in a single cycle and delivering up to 10 MIPS at 40 MHz clock input. Key features include 12 channels of 10-bit Analog-to-Digital conversion, five capture/compare/PWM (CCP) modules, two analog comparators, an addressable USART, a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, and External Memory Addressing for off-chip program/data expansion. Self-programming Flash and In-Circuit Debug (ICD) support simplify field firmware updates and bring-up. The device is fabricated in Microchip's enhanced Flash process, which provides high endurance and retention while allowing the same die to be programmed in-system. The 54 general-purpose I/O pins and multiple timers make it suitable for control-intensive embedded designs that need more I/O than smaller 28- or 40-pin PIC18 devices. Typical applications include industrial control panels, motor control, instrumentation front ends, HVAC controllers, security systems, and legacy 8-bit designs migrating from PIC16 or PIC17 families. The 64-pin TQFP footprint is shared across the PIC18F6520/6620/6720/8520/8620/8720 family, enabling memory and feature scaling without PCB redesign. When designing with this device, note that the 5 V supply and 25 MHz maximum operating frequency require careful decoupling and that the TQFP-64 package needs adequate copper area for thermal relief during reflow. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F6720T-E/PT

PIC18F6720T-E/PT - 8-bit MCU 25MHz 128KB Flash 64-TQFP | Microchip

The Microchip Technology PIC18F6720T-E/PT is an 8-bit PIC18F-family microcontroller based on the enhanced RISC architecture, delivering up to 10 MIPS at 25 MHz, with 128 KB of Flash program memory (64K x 16), 3.84 KB of RAM, and 1024 bytes of EEPROM, housed in a 64-pin TQFP (PT) 10x10 mm surface-mount package. It integrates 12 channels of 10-bit Analog-to-Digital conversion, two analog comparators, a synchronous serial port configurable as SPI or I2C, a USART with addressable addressing, and five Capture/Compare/PWM modules for flexible timing and motor control. The 'T-E' suffix denotes Tape-and-Reel packaging with the Extended (-40C to +125C) automotive-grade temperature range, while the die is qualified for AEC-Q100 use in vehicle body and chassis ECUs. The PIC18F6720 also supports self-programming, an ICD debug port, and external memory addressing through the parallel slave port, making it a long-standing workhorse for embedded automotive and industrial controllers. Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, EEPROM, and a rich set of peripherals onto one IC. The PIC18 family uses a Harvard RISC architecture with separate program and data buses, a 16-bit instruction word, and an 8-bit data path. Compared with PIC16 parts, PIC18 adds Multiply hardware, priority-interrupt handling, and self-programmable Flash, while still scaling up to parts like the PIC18F6720 with 128 KB of code space and 64-pin packages for higher-I/O applications. Key features include 5 CCP modules, 2 analog comparators, 12 10-bit ADC channels, parallel slave port for external memory, 52 digital I/O pins, and a 4x PLL on the internal oscillator block. The microcontroller runs from 2.0V to 5.5V across the -40C to +125C operating range, with separate AVDD/VSS rails that can be tied to VDD/VSS if the ADC is unused. Typical applications include automotive body controllers, HVAC panels, instrument clusters, industrial sensor hubs, and consumer appliances where the PIC18 instruction set and Microchip MPLAB XC8 toolchain deliver deterministic interrupt response and low BOM cost.

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PIC18F6720T-I/PT

PIC18F6720T-I/PT - 128KB Flash 8-bit MCU, 25MHz, TQFP-64 | Microchip

The Microchip Technology PIC18F6720T-I/PT is an 8-bit PIC18F-series RISC microcontroller delivering 25 MIPS of processing throughput, 128 KB of on-chip Flash program memory (64K x 16 words) and 3840 bytes of data SRAM, in a 64-pin TQFP (10x10 mm) package. The integrated 10 MIPS core operates up to 25 MHz, includes 1024 bytes of data EEPROM, 12 channels of 10-bit A/D, two analog comparators, five CCP/ECCP modules, and configurable SPI/I2C/USART serial interfaces. An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path, on-chip non-volatile program memory (Flash), volatile data RAM, and a fixed set of peripherals (ADC, timers, communication ports). 8-bit MCUs belong to the broader family of microcontrollers, which are a class of embedded processors that integrate CPU, memory, and I/O on a single die. Within Microchip's portfolio, the PIC18F family sits between the baseline PIC10/12/16 families and the 16-bit PIC24/dsPIC families, targeting applications that need more code space and richer peripherals than entry-level parts, but where cost-sensitive and deterministic interrupt response outweigh the throughput of 32-bit Cortex-M devices. Key features of the PIC18F6720 include self-programming Flash, an ICD (In-Circuit Debugger) interface, an external memory addressing bus for parallel-memory expansion, three timers, two analog comparators, and flexible oscillator options including the low-power 31 kHz secondary oscillator. The device supports up to 52 digital I/O lines plus dedicated analog and peripheral pins, allowing the TQFP-64 package to drive a wide variety of sensors, displays, and actuators. Architecturally the PIC18F6720 uses a 16-bit instruction word with an 8-bit data path, allowing single-cycle hardware multiply and a 32-level hardware stack for deterministic C-language interrupt handling. The wide Flash word means each instruction is fetched as a single 16-bit word, simplifying pipeline design and giving the family its reputation for predictable timing in real-time control loops. Typical applications for the PIC18F6720T-I/PT include industrial control panels, motor-control front-ends, HVAC and appliance controllers, building-automation nodes, medical-device user interfaces, and automotive body-electronics modules where its 4.2 V to 5.5 V supply range, hardware multiply, and large peripheral set fit naturally. Designers often pair it with Microchip's MCP2515 CAN controller or MCP2551 CAN transceiver for industrial-automation gateways. For new designs, consider using PIC18F66K22T-I/PT or PIC18F66K80T-I/PT instead: these later-generation parts add nanoWatt XLP deep-sleep modes, more ADC channels and PWMs, and typically ship at a comparable price. The PIC18F6720 remains attractive when firmware is already written against its register set or when its external memory bus is required. This page synthesizes distributor pricing, drop-in alternative MPNs from the PIC18F6720 family, and practical design notes that go beyond the manufacturer datasheet, helping engineers select between this legacy part and newer PIC18F alternatives in the same TQFP-64 footprint.

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PIC18F6722-E/PT

PIC18F6722-E/PT - 8-bit PIC MCU, 128KB Flash, 25MHz | Microchip

The Microchip Technology PIC18F6722-E/PT is an 8-bit PIC18 microcontroller featuring 128KB (64K x 16) of enhanced Flash program memory, 3,936 bytes of RAM, and a 64-pin TQFP (10x10 mm) package. It operates at up to 25MHz from a 4.2V to 5.5V supply, targeting large low-power (nanoWatt) and connectivity-rich embedded designs that require multiple serial interfaces and substantial on-chip memory. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, RAM, and multiple peripherals. The PIC18 family uses an enhanced Harvard RISC architecture with 16-bit opcodes and 8-bit data paths, balancing code density, deterministic interrupt response, and ease of programming in C or assembly. Within Microchip's portfolio, the PIC18F series sits between baseline PIC10/12/16 parts and the high-performance PIC24/dsPIC families, providing the most peripheral-rich 8-bit option for human-machine interface, sensing, and small connected-node designs. Key features include four serial ports: two synchronous (I2C and SPI) plus two asynchronous (USART with LIN bus master capability), a 10-bit A/D converter with up to 12 input channels, a 5-bit DAC/comparator, and nanoWatt power management with multiple idle and sleep modes that drop supply current well below typical run-mode levels. The 64-pin TQFP exposes up to 54 digital I/O lines, ample headroom for parallel buses, LCD segment drivers, or matrix keypads. The device integrates 1KB of data EEPROM emulation, a self-programmable Flash controller for bootloader/field updates, and CTMU (Charge Time Measurement Unit) support for capacitive touch sensing. With 128KB of code space, it can host full TCP/IP stacks, USB CDC class drivers, or large GUI assets in resource-constrained industrial and consumer nodes. Typical applications include industrial control panels, HVAC thermostats, large-format display drivers, automotive body and climate modules, and connected sensor hubs that need LIN, SPI, and I2C in parallel. The 'E' suffix denotes the extended (-40C to +125C) operating temperature grade, making the part suitable for outdoor, automotive, and industrial environments. When designing the PCB, place a 100nF decoupling capacitor as close as possible to every VDD/SS pin pair, and provide a bulk 10uF tantalum or ceramic near the supply entry. The PIC18F6722 does not include an internal USB or CAN peripheral; designs needing these should consider the PIC18F67J50 family or jump to PIC24/dsPIC. This page synthesizes distributor stock, drop-in alternatives from the same PIC18F8722 family, and engineering design notes not commonly aggregated on a single datasheet view.

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PIC18F6722-I/PT

PIC18F6722-I/PT - 128KB Flash 8-bit MCU, 64-TQFP | Microchip

The Microchip PIC18F6722-I/PT is an 8-bit enhanced flash microcontroller with nanoWatt technology, 128KB (64K x 16) of program flash memory, 40 MHz maximum clock speed, and a built-in 10-bit analog-to-digital converter, housed in a 64-pin TQFP (10x10 mm) package. It targets large low-power and connectivity applications that benefit from four serial ports (two MSSP for I2C/SPI and two enhanced USARTs with LIN support) plus 54 digital I/O pins. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path. It integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM, timers, communication peripherals, and I/O on one die, and it occupies the lowest tier of the embedded compute hierarchy (8-bit MCU -> 16-bit MCU -> 32-bit MCU -> MPU). The PIC18F6722 belongs to the PIC18F8722 family, which is the highest-pin-count branch of the PIC18 enhanced flash family designed for human-machine interface, instrumentation, and connectivity nodes. Key differentiating features of the PIC18F6722-I/PT include 128KB self-programmable flash, 3,936 bytes of RAM, 1KB of EEPROM, a 10-bit ADC with up to 12 channels, two Capture/Compare/PWM modules, two 8-bit timers plus three 16-bit timers, and nanoWatt power management with multiple idle and sleep modes. The device operates from 4.2V to 5.5V across the industrial -40C to +85C range. Hardware multipliers and C-compiler-friendly architecture reduce firmware development time. The PIC18F6722's 64-pin TQFP and 80-pin TQFP variants share the PIC18F8722 family's pinout topology, giving engineers an upgrade path to higher pin counts or larger flash without PCB rework. Compared with smaller PIC18 members, the 6722 combines the deepest RAM in its class with the broadest peripheral mix. Typical applications include industrial control and HMI panels, automotive body and LIN nodes, home appliances with display/keypad interfaces, USB-to-UART gateways, and low-power sensor hubs that need four serial channels simultaneously. The wide supply range and large RAM also suit bootloader-based field-upgradeable products. Designers should budget for an external 10 MHz to 40 MHz crystal or resonator to drive the internal PLL-free oscillator chain, and provide decoupling close to every VDD/VSS pair. The ICD/ICSP pins (PGC/PGD) must remain accessible for in-circuit debugging. Pay attention to the 5V-only I/O when interfacing with 3.3V peripherals - a level translator or resistive divider is required. This page combines distributor stock and pricing as of 2026-09-28, drop-in TQFP-64 alternatives from Microchip's own portfolio, and practical design notes that go beyond the manufacturer datasheet to support faster component selection and second-sourcing.

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PIC18F6722T-E/PT

PIC18F6722T-E/PT - 8-Bit 25MHz 128KB Flash MCU 64-TQFP | Microchip

The Microchip Technology PIC18F6722T-E/PT is an 8-bit PIC18 enhanced Flash microcontroller running at 25 MHz, integrating 128 KB of program Flash and 3,936 bytes of RAM in a 64-pin 10x10 mm TQFP package. It is part of the PIC18F8722 family, designed for large low-power (nanoWatt) and connectivity-rich applications that benefit from four serial ports (two MSSP modules supporting I2C and SPI, and two enhanced USART modules with LIN capability). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripheral interfaces into one IC. The PIC18 family is Microchip's 8-bit enhanced architecture with a 16-bit instruction word and 8-bit data path, positioned above the baseline PIC16 and below the 16-bit dsPIC/PIC24 families in the 8-/16-bit microcontroller taxonomy (microcontroller -> embedded MCU -> 8-bit MCU -> PIC architecture -> PIC18 enhanced family). Within power management of embedded systems, MCUs replace discrete logic by consolidating timing, glue logic, and communication handling on one programmable device. Key features of the PIC18F6722T-E/PT include 128 KB (64K x 16) of self-programmable Flash program memory, 3,936 bytes of RAM, and 1,024 bytes of data EEPROM. It offers up to 54 digital I/O pins, two MSSP modules (SPI at up to 25 MHz master and I2C Master/Slave), two EUSART modules with LIN support, two CCP and three ECCP modules (PWM with programmable dead time and auto-shutdown), a 10-bit ADC with up to 16 channels, and nanoWatt power management for sleep/Idle modes. The wide 4.2 V to 5.5 V supply range targets industrial and embedded control environments. Architecturally, the PIC18F6722T-E/PT uses an enhanced Harvard architecture with a hardware multiplier, 32-level hardware stack, and 8x8 single-cycle multiplication. The internal Phase-Locked Loop (PLL) and software-selectable oscillator options (HS, XT, LP, RC, EC with PLL) allow flexible clocking from DC up to 40 MHz operation. The 10-bit ADC and dual analog comparators support mixed-signal sensing without external components. Typical applications include industrial control panels, HVAC and white-goods user interfaces, automotive body and LIN-cluster nodes, USB/HID bridges, and graphical LCD or segment-display controllers that need 128 KB code space and four simultaneous serial channels. The combination of PWM-rich peripherals and large RAM makes it equally suited for sensor-hub aggregation. When designing with this part, ensure the 64-pin TQFP land pattern matches the chosen footprint and that decoupling capacitors (100 nF plus 10 uF bulk) are placed within 5 mm of the VDD/VSS pairs. The E suffix denotes the extended (-40C to +125C) operating temperature range, which is required for under-hood or industrial cabinet deployments. This page synthesizes distributor pricing, datasheet specifications, and practical design notes not found in a single manufacturer page, giving engineers and buyers one canonical reference for sourcing the PIC18F6722T-E/PT.

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PIC18F6722T-I/PT

PIC18F6722T-I/PT - 8-bit 40MHz 128KB Flash MCU 64-TQFP

The Microchip PIC18F6722T-I/PT is an 8-bit PIC18 enhanced flash microcontroller operating at up to 40 MHz, integrating 128 KB (64K x 16) of Flash program memory, 3,936 bytes of RAM and 1,024 bytes of EEPROM in a 64-pin TQFP (10x10 mm) package. Tape-and-reel packaging ("T" suffix) makes it suitable for high-volume surface-mount assembly lines, while the "I" industrial temperature grade supports operation from -40C to +85C. An MCU (microcontroller) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, EEPROM data storage, peripherals and I/O on one silicon die. Within Microchip's taxonomy, the PIC18F family sits between the mid-range PIC16F line and the high-performance dsPIC line, offering an 8-bit data path with 16-bit instructions and nanoWatt power-management modes. The PIC18F6722 belongs to the PIC18F8722 family, optimized for large low-power connectivity applications needing abundant RAM and multiple serial interfaces. Key features of the PIC18F6722T-I/PT include 54 digital I/O pins, four serial ports (two synchronous supporting I2C and SPI, two asynchronous LIN-capable USARTs), a 10-bit ADC with up to 16 channels, nanoWatt technology for power-constrained designs, and supply voltage from 4.2 V to 5.5 V. The 64-pin TQFP package exposes a generous pin budget for graphics, motor, sensor and human-machine-interface front-ends, while 3,936 bytes of RAM enable sizeable communication buffers for stacks like TCP/IP or MODBUS without external memory. Architecturally, the device uses Microchip's enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path, providing C-friendly operation while retaining deterministic interrupt latency. The nanoWatt feature set includes idle, sleep and deep-sleep modes with on-the-fly oscillator switching - critical for battery or energy-harvesting nodes. Internal ECC-less Flash and self-programmability simplify in-field firmware updates via bootloader or ICSP. Typical applications include industrial sensor hubs with multiple serial sensor buses, building automation controllers using LIN or RS-485, low-power wireless gateways paired with transceivers such as MRF24J40 or RN4020, point-of-sale terminals, and white-goods user interfaces. The wide pin count also suits TFT-display and touch-panel front-ends, with the 10-bit ADC handling analog sensor readout in parallel with digital comms. Design tip: route the ICSP/PGD/PGC pins carefully to keep them accessible for in-circuit programming, and place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair; the 64-pin TQFP exposes eight such pairs. This page combines distributor pricing, drop-in compatible alternatives and practical design notes that are not available from the manufacturer datasheet alone.

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PIC18F6723-E/PT

PIC18F6723-E/PT - 128KB Flash 8-bit MCU, 64-TQFP | Microchip

The Microchip Technology PIC18F6723-E/PT is an 8-bit RISC PIC18 microcontroller with 128KB of Flash program memory, 4KB of SRAM, and 1KB of data EEPROM, packaged in a 64-pin TQFP (10x10 mm). It operates at up to 40 MHz internal clock (25 MHz in the snippet, datasheet max differs by grade) over a 4.2V to 5.5V supply range, and integrates a 12-bit ADC, multiple serial interfaces, and 54 I/O pins in a low-power nanoWatt architecture. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control. The PIC18 family sits in Microchip's mid-range performance tier, above PIC16 and PIC12 in code density, peripheral count and addressing capability, but below the 16-bit dsPIC and 32-bit PIC32 families. PIC MCUs are widely used in industrial, automotive and consumer embedded systems where reliability, predictable interrupt latency and long product life cycles matter more than raw MHz. Key differentiating features of the PIC18F6723 include 128KB self-programmable Flash, 1024 bytes of data EEPROM for non-volatile parameter storage, four 16-bit timer/counters, two Capture/Compare/PWM modules, two Enhanced USARTs, two MSSP peripherals supporting SPI and I2C, and a 12-bit ADC with up to 12 channels. The 'E' suffix denotes the extended industrial temperature grade of -40C to +125C, and the /PT suffix designates the 64-pin TQFP package. Architecturally, the device uses a 16-bit instruction word with an 8-bit data path and a hardware multiplier, providing linear code density and deterministic interrupt response. nanoWatt Technology power management offers multiple idle and sleep modes with wake-up sources, making the part suitable for energy-conscious designs. Typical applications include industrial control panels, automotive body and HVAC subsystems, USB peripherals (with on-chip USB on derivative parts), graphical user interfaces driving LCDs, sensor aggregation nodes, and consumer appliances. The 54 I/O pins and dual serial interfaces suit designs that must bridge multiple sensors and actuators while maintaining low BOM cost. When designing with this part, budget decoupling capacitance at every VDD/VSS pair and follow Microchip's recommended 4-layer layout for the 64-pin TQFP. Ensure the MCLR pin has the proper external reset network and that PGD/PGC traces are short for reliable in-circuit debugging with MPLAB tools. This page synthesizes distributor pricing, drop-in alternatives and practical design notes that go beyond what the manufacturer datasheet alone provides.

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PIC18F6723T-I/PT

PIC18F6723T-I/PT - 128KB Flash 8-Bit MCU | Microchip 64-TQFP

The Microchip Technology PIC18F6723T-I/PT is an 8-bit PIC18 microcontroller built on the enhanced RISC architecture, integrating 128KB of Flash program memory, 4KB of SRAM and 1024 bytes of data EEPROM in a 64-pin TQFP (10x10 mm) package. It executes instructions at up to 40 MHz clock speed (10 MIPS), operates from 4.2 V to 5.5 V supply, and exposes 54 digital I/O lines together with a 12-bit ADC, two synchronous (I2C/SPI) and two asynchronous (LIN-capable) serial ports, plus USB 2.0 full-speed and CAN 2.0B peripherals. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory, volatile data memory and a range of on-chip peripherals such as timers, ADCs and communication interfaces. PIC18 devices belong to the broader 8-bit MCU category (hypernyms: microcontroller -> embedded controller -> semiconductor -> integrated circuit) and sit between simpler PIC16 parts and the 16-bit dsPIC/PIC24 families, balancing code density, peripheral richness and cost for mid-range embedded designs. Key features of this part include 128 KB Flash organized as 64K x 16, an internal 8 MHz oscillator with PLL options, nanoWatt power management with multiple idle/sleep modes, a 10-bit/12-bit ADC with up to 12 channels, and the standard PIC18 instruction set with C-compiler-friendly architecture. The T suffix denotes tape-and-reel packaging; the I suffix indicates the industrial -40C to +85C operating temperature grade. Typical applications are large low-power human-interface panels, USB peripherals, CAN-connected sensor nodes, industrial control with LIN/UART bridges, and consumer appliances requiring a rich mix of analog and digital I/O. For each of these use cases, the combination of 128 KB Flash and four independent serial ports removes the need for external memory or a companion communication chip. When designing with this MCU, allocate the ADC acquisition time carefully when using high-impedance sources, and provide adequate decoupling on AVDD/AVSS to preserve 12-bit conversion linearity. Watch the absolute maximum VDD of 7.5 V during hot-plug events and respect the in-circuit debuggers' pin assignments when laying out the 64-TQFP footprint. This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes not found in the standalone manufacturer datasheet, helping engineers accelerate sourcing, schematic review and PCB layout decisions.

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PIC18F67J10-I/PT

PIC18F67J10-I/PT - 8-bit MCU 128KB Flash 64-TQFP | Microchip

The Microchip PIC18F67J10-I/PT is a high-performance 8-bit PIC microcontroller delivering up to 40 MHz (10 MIPS) of processing power from 128 KB of Flash program memory and 4 KB of RAM, housed in a 64-pin TQFP (10x10 mm) package. The part belongs to the PIC18F87J10 family of 64/80-pin, nanoWatt-technology flash microcontrollers and is specified for an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of peripheral interfaces into one device. The PIC18 family uses an enhanced RISC architecture with 16-bit opcodes and 8-bit data paths; the 'J' sub-family is designed around a 2.5V/3.3V core and offers multiple low-power (nanoWatt) modes for battery-aware designs. MCUs sit beneath the broader hierarchy of microprocessors and embedded processors, occupying the same tier as ARM Cortex-M0/M3 devices in the embedded-system taxonomy. Key features of the PIC18F67J10 include four serial ports (two MSSP for I2C and SPI, plus two enhanced USARTs with LIN support), a 10-bit A/D converter with up to 16 channels, two analog comparators, two CCP modules plus one ECCP, four timers (Timer0/1/2/3), and a 16-bit parallel slave port for external memory expansion. The 54 digital I/O pins can sink/source up to 25 mA, supporting direct LED drive in some topologies. The architecture is built on a flash-based CMOS process with on-chip debugging via ICD and self-programming capability. The 16-bit wide instruction word and 8-bit datapath provide deterministic interrupt latency, while the 31-level hardware stack supports C compilers (MPLAB XC8) and the traditional PIC assembly toolchain. Typical applications include industrial control panels, HVAC and home-automation gateways, automotive LIN slave nodes, USB/connectivity bridges, and human-machine interface (HMI) modules that need many I/Os and a low-power operating mode. Cost-sensitive multi-serial designs (e.g. RS-232 plus RS-485 plus I2C sensor plus SPI display) particularly benefit from the four-port integration. Designers should note that the PIC18F67J10 is a 2.5V/3.3V part (VDDCORE regulated internally); the I/O pins are 5V-tolerant. Always decouple VDD/VSS with 100 nF plus bulk capacitors and place them within 2 mm of the package pins. This page synthesizes distributor pricing, drop-in TQFP-64 alternatives, application notes, and design guidance not aggregated on a single manufacturer or distributor page, with all data sourced from Microchip's product page and authorized distributor listings as of 2026-09-28.

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PIC18F67J10T-I/PT

PIC18F67J10T-I/PT - 8-Bit 40MHz 128KB Flash MCU | Microchip TQFP-64

The Microchip Technology PIC18F67J10T-I/PT is an 8-bit PIC18J-family RISC microcontroller running up to 40 MHz with 128 KB of Flash program memory and 4 KB of RAM, housed in a 64-pin TQFP (10x10 mm) package. It integrates a 10-bit ADC, two synchronous (I2C/SPI) and two asynchronous (LIN-capable) UART serial ports, plus a 64-pin variant of the PIC18F67J10 family that delivers 54 I/O pins for connectivity-dense designs. The -I suffix denotes the -40C to +85C industrial temperature grade and the /PT suffix denotes the TQFP-64 package, while the trailing T indicates tape-and-reel packaging. Key features include 128 KB Flash (64K x 16), 3936 bytes of RAM, 40 MHz maximum clock with 200 ns instruction cycle (10 MIPS at 40 MHz when using a 4x PLL), 10-bit ADC with up to 11 channels, nanoWatt Technology power management modes, and two comparators. The wide 2.0 V to 3.6 V core VDD range (with 4.2 V to 5.5 V noted in some datasheet rows; the canonical PIC18F67J10 family is 2.0-3.6 V) supports both battery-powered and regulated industrial rails. The 64-pin TQFP footprint is one of the most widely supported packages for the PIC18F family, simplifying layout, hand-rework, and socket compatibility. The PIC18F67J10 architecture uses an enhanced Harvard RISC core with 16-bit-wide instructions and 8-bit-wide data path, providing deterministic timing for interrupt-driven and control-loop applications. The nanoWatt Technology dynamic power management block enables idle, sleep, and run-time switching to optimize current consumption in low-duty-cycle designs. CIP (Core Independent Peripherals) such as the Enhanced USART, MSSP (Master Synchronous Serial Port supporting I2C and SPI), and PWM modules operate without CPU intervention after configuration, freeing the core for application logic. The 40 MHz internal oscillator option further reduces BOM count. Typical applications include industrial control (sensor hubs, PLC expansion modules), automotive body and chassis subsystems (LIN nodes, lighting controllers), consumer appliances (HVAC controls, washing-machine front panels), USB/serial bridging, and embedded HMI. The combination of large Flash, dual serial ports, and 54 I/O lines enables complex protocol stacks and rich user interfaces on a single MCU. When designing with this part, choose the VDD range that matches your supply rail (2.0-3.6 V core VDD), use the on-chip 8 MHz internal oscillator for BOM-cost savings, and verify the pinout against the 64-pin TQFP diagram in the PIC18F67J10 family datasheet before PCB layout. This page synthesizes distributor pricing, drop-in 64-pin TQFP alternatives from the PIC18 family, and practical design notes not found in the manufacturer datasheet.

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PIC18F67J11-I/PT

PIC18F67J11-I/PT - 8-Bit 48MHz 128KB Flash MCU | Microchip TQFP-64

The Microchip Technology PIC18F67J11-I/PT is an 8-bit PIC® 18J family microcontroller running at 48 MHz (10 MIPS) with 128 KB of Flash program memory (64K x 16) and 3,936 bytes of RAM, packaged in a 64-pin TQFP (10x10 mm) industrial-grade (-40C to +85C) form factor. It integrates an internal 8 MHz oscillator, 51 digital I/O lines, and supports 1.8V, 2.5V, and 3.3V supply rails, making it suitable for AEC-Q100-style automotive and battery-powered designs that need wide voltage tolerance. Background: A PIC18 microcontroller is a Harvard-architecture 8-bit RISC MCU from Microchip's PIC18 family that uses a modified instruction set to balance code density and execution speed. PIC18J-series devices extend the classic PIC18 line by adding nanoWatt XLP-style low-power modes, internal oscillator trimming, and word-writeable Flash, placing them in the broader taxonomy of microcontroller -> embedded MCU -> semiconductor. They are widely used in cost-sensitive embedded control where deterministic behavior, mature toolchains (MPLAB X, XC8), and wide availability matter more than raw compute. Key features include an enhanced 8x8 hardware multiplier, multiple serial peripherals (EUSART, SPI, I2C), a 10-bit ADC with up to 16 channels, capture/compare/PWM modules, and the nanoWatt low-power modes typical of the J-series. The internal 8 MHz oscillator eliminates an external resonator in many designs, while word-writeable Flash enables EEPROM emulation without a separate EEPROM array, lowering system BOM cost and reducing PCB area. The PIC18F67J11 builds on the PIC18F67J10 foundation with refined low-power characteristics and improved Flash endurance, targeting USB-less, low-pin-count-touch sensing and human-interface designs. The 64-pin TQFP exposes the full peripheral set: two EUSART ports, two SPI/I2C blocks, one USB 2.0 full-speed transceiver (depending on variant marking), and a 16-channel 10-bit ADC capable of 100 ksps conversion. Typical applications include industrial HMI keypads, low-cost automotive body controllers, sensor hubs, and battery-powered instrumentation. In sensor hubs, the 16-channel 10-bit ADC and 51 I/O lines let designers aggregate multiple analog inputs without external muxes. For automotive body controllers, the wide 2.0V to 3.6V tolerance supports cranking transients when paired with proper supply decoupling. When designing with the PIC18F67J11-I/PT, place a 100 nF decoupling capacitor within 3 mm of each VDD/VSS pair and route the analog and digital VDD traces separately to minimize ADC reference noise. Verify ICD/ICSP pin assignments before layout: the PGC/PGD pair and MCLR/VPP must be reachable for in-circuit debugging without disturbing the high-frequency signal paths.

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