Integrated Circuits

PIC18F65K90-E/PT

PIC18F65K90-E/PT - 32KB Flash LCD MCU 64-Pin TQFP | Microchip

The Microchip Technology PIC18F65K90-E/PT is an 8-bit PIC microcontroller in the PIC18F87K90 family, featuring 32 KB Flash program memory, 2 KB RAM, and an integrated LCD driver, housed in a 64-pin TQFP (10 x 10 mm) package. It operates from 1.8 V to 5.5 V (extended range down to 1.8 V with the K-series XLP core) at up to 64 MHz instruction-cycle clock, and is qualified to the -40 °C to +125 °C extended automotive temperature range. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path; the PIC18 line is Microchip's high-performance 8-bit family using a modified Harvard RISC architecture with a 16-bit instruction word. Within the power-management hierarchy, an MCU belongs to the broader category of embedded processors, alongside 16-bit MCUs, 32-bit MCUs, and DSPs; within Microchip's portfolio it sits below the PIC24/dsPIC33 (16-bit) and PIC32 (32-bit) families. Key features of the PIC18F65K90-E/PT include 54 I/O pins, nanoWatt XLP extreme-low-power technology (deep sleep currents in the nA range), a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and up to 24 channels of capacitive touch support. The integrated LCD driver supports up to 192 segments, making it a single-chip solution for human-machine interface (HMI) panels. Peripheral options include multiple USART, SPI, I2C, 12-bit ADC with computation, and multiple PWM/capture/compare modules. Architecturally, the part uses Microchip's enhanced PIC18 core with hardware multiplier, 31-level hardware stack, and configurable oscillator modes (internal 31 kHz LF, 8 % tolerance, plus HF PLL up to 64 MHz). The K-series silicon adds XLP power-saving peripherals such as RTCC, ultra-low-power wake, and deep-sleep retention of RAM. Typical applications include battery-powered LCD meters, thermostats, white-goods control boards, industrial HMI keypads, and capacitive-touch user interfaces where a single MCU drives both the display and the touch matrix. The CTMU peripheral allows up to 24 touch buttons without external analog components. When designing with this MCU, budget sufficient board area for the LCD bias resistors and segment capacitors; missing charge-pump capacitors is the most common cause of contrast failure. Also confirm your compiler tools (XC8) are at the latest version to ensure correct CTMU peripheral drivers. This page synthesizes distributor pricing, same-family drop-in alternatives in the same 64-pin TQFP, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F65K90-I/MR

PIC18F65K90-I/MR - 32KB Flash LCD MCU 64VQFN | Microchip

The Microchip Technology PIC18F65K90-I/MR is an 8-bit PIC18 microcontroller with 32KB Flash, 2KB RAM, integrated LCD driver, and nanoWatt XLP (eXtreme Low Power) technology, housed in a 64-pin VQFN (9x9 mm) package. Operating up to 64MHz across a 1.8V-5.5V supply range with 54 I/O pins, it targets battery-powered human-machine interface designs that need segmented LCD glass driving alongside capacitive-touch sensing. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip Flash program memory, RAM, and a rich set of peripherals. PIC18-family MCUs sit in the hierarchy: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. Within Microchip's portfolio, the PIC18FX5K90 sub-family adds a hardware LCD driver and CTMU (Charge Time Measurement Unit) for capacitive touch, distinguishing it from general-purpose PIC18F parts without LCD glass support. Key features include 32KB (16K x 16) Flash program memory, 2KB RAM, 1KB EEPROM, hardware LCD driver supporting up to 192 segments, an integrated CTMU for capacitive touch, nanoWatt XLP sleep currents in the sub-microamp range, two MSSP/SPI/I2C, two EUSART, 12-bit ADC, and 54 digital I/O. The 64-pin VQFN (9x9 mm) package exposes the full peripheral set, while smaller PIC18F variants in the same K90 family use 64-pin TQFP or 80-pin TQFP footprints. Technically, the PIC18F65K90 uses Microchip's enhanced Harvard architecture with a 16-bit instruction word (16K x 16 Flash equates to 32KB) and an 8-bit data path. The CTMU uses a constant-current source and timer to measure capacitance changes for touch buttons, sliders, and proximity sensors without an external touch IC. XLP technology delivers sleep currents below 1 uA typical, enabling coin-cell or energy-harvesting applications. Typical applications include handheld medical devices with LCD and touch, industrial meters and gauges with segmented displays, home-automation keypads, appliance control panels, and battery-powered instruments with capacitive-touch user interfaces. The combination of LCD + touch + low-power makes this MCU especially suited for products that previously required a separate LCD controller and touch controller. When designing with this part, allocate a substantial ground pour under the VQFN thermal pad for both thermal dissipation and signal integrity, and follow Microchip's LCD bias-generation layout guidance (separation of LCD drive traces from noise sources). Verify the operating mode of the CTMU current source against the touch-panel scan time budget, and route the SEG/COM traces with balanced capacitance to avoid ghost-segment flicker. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F65K90T-I/MR

PIC18F65K90T-I/MR - 8-bit PIC MCU, 32KB Flash, LCD Driver | Microchip

The Microchip Technology PIC18F65K90T-I/MR is an 8-bit PIC microcontroller in the PIC18F family, featuring 32KB of Flash program memory, 2KB of SRAM, and an integrated LCD driver, housed in a 64-pin QFN EP (Exposed Pad) package. It operates up to 40 MHz clock speed with a supply voltage range of 4.2V to 5.5V, and provides 54 digital I/O ports. An 8-bit microcontroller (MCU) is a compact programmable processor that combines a CPU, memory, and peripherals on a single silicon die. The PIC18F family from Microchip Technology is built on a RISC architecture with hardware multiplier and Harvard bus structure, optimized for low-power embedded control. Within the broader taxonomy, this places PIC18F65K90T-I/MR as: microcontroller -> 8-bit MCU -> PIC18F family -> nanoWatt XLP series -> LCD-driver integrated MCU -> embedded semiconductor. Key features include 32KB Flash program memory, 2KB SRAM, 1KB EEPROM, 54 I/O pins, an integrated LCD driver supporting up to 384 segments, and nanoWatt XLP (eXtra Low Power) technology for battery applications. The device also integrates a Charge Time Measurement Unit (CTMU) supporting 24 channels of capacitive touch sensing in 80-pin variants, plus 12-bit ADC, mTouch sensing, and a wide operating temperature range of -40C to +85C. The PIC18F65K90T-I/MR utilizes Microchip's nanoWatt XLP technology to achieve ultra-low sleep currents (typically under 100 nA), making it well suited to battery-powered applications that must remain dormant for long intervals while waking on interrupt. The integrated LCD driver eliminates the need for an external segment driver IC, reducing BOM cost and PCB area in user-interface designs. Typical applications include battery-powered metering with LCD displays (electricity/gas/water meters), portable medical monitors, industrial control panels with segment LCDs, automotive dashboards, and capacitive-touch user interfaces. The wide memory and I/O combination also supports home appliances and consumer electronics with simple graphical displays. When designing with this part, note that the 64-pin QFN EP package requires thermal vias under the exposed pad to dissipate heat and provide mechanical solder joint reliability. The ICD/ICSP programming pins (PGC/PGD) must be routed to accessible test points to enable in-circuit debugging. This page synthesizes distributor pricing across Mouser/DigiKey/JLCPCB, drop-in alternatives in the same 64-pin QFN EP footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F65K90T-I/MRRSL

PIC18F65K90T-I/MRRSL - 32KB Flash 8-bit MCU with LCD Driver

The Microchip PIC18F65K90T-I/MRRSL is an 8-bit PIC microcontroller from the PIC18F87K90 family featuring nanoWatt eXtreme Low Power (XLP) technology and an integrated LCD driver. The device integrates 32KB (16K x 16) of Flash program memory, 2KB of SRAM, 1KB of EEPROM, and a 64MHz internal oscillator, packaged in a 64-pin VQFN (9x9 mm) with exposed pad. It is supplied in Tape & Reel packaging with the -I (Industrial) temperature grade suffix. An 8-bit microcontroller is a single-chip computer that processes data in 8-bit words and integrates CPU, RAM, non-volatile program memory, and peripherals on one die. PIC18F-series MCUs sit within the broader Microcontroller -> Microcontroller IC -> Integrated Circuit taxonomy. Compared to 16-bit or 32-bit alternatives, 8-bit parts trade raw throughput for deterministic interrupt latency, lower cost, and ultra-low sleep current suitable for battery-powered designs. Key features include 53 digital I/O pins, a Charge Time Measurement Unit (CTMU) supporting up to 24 channels of capacitive touch sensing, an LCD driver with up to 192 segments, multiple serial interfaces (UART, SPI, I2C), and 12-bit ADC. nanoWatt XLP technology provides deep-sleep currents below 100 nA, enabling years of battery life on coin cells. The 64-pin VQFN package exposes a thermal pad for improved heat spreading. Typical applications include battery-powered consumer electronics with segmented LCD displays, capacitive touch human-machine interfaces, medical glucose meters, e-bike and fitness instruments, and metering pumps. The combination of LCD driver and capacitive touch eliminates the need for separate display and touch controller ICs, reducing BOM cost and PCB area in space-constrained designs. Industrial temperature grade parts operate from -40C to +85C ambient and require a 1.8V to 3.6V supply rail. Microchip's MPLAB X IDE and XC8 compiler provide a complete development toolchain. The device ships in Tape & Reel packaging for high-volume SMT assembly. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F65K90T-I/PT

PIC18F65K90T-I/PT - 8-Bit 64MHz 32KB Flash XLP MCU | Microchip

The Microchip Technology PIC18F65K90T-I/PT is an 8-bit PIC18 microcontroller built on nanoWatt XLP (eXtreme Low Power) technology, featuring 32KB of Flash program memory, 2KB of RAM, and a 64-pin TQFP (PT) package rated for the industrial temperature range (-40C to +85C). It operates from a wide 1.8V to 5.5V supply and supports a 64MHz internal oscillator, with the family carrying the 'K90' suffix for low-power battery and LCD-oriented designs. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash, RAM, EEPROM), and programmable peripherals. The PIC18F65K90 sits within the 8-bit PIC microcontrollers -> PIC18 family -> Microchip MCU -> microcontroller -> embedded processor hierarchy. The 'K' series in PIC18 nomenclature indicates nanoWatt XLP technology targeting ultra-low-power operation, while the '90' suffix denotes LCD-driver integration and CTMU (Charge Time Measurement Unit) support, making the part a natural fit for human-machine-interface products. Key features include up to 54 digital I/O pins, an integrated LCD driver (up to 96 segments depending on the variant), an on-chip 12-bit ADC, multiple communication peripherals (UART, SPI, I2C), and nanoWatt XLP sleep currents in the sub-microamp range. The 32KB of self-programmable Flash enables in-application firmware updates, while the 2KB RAM supports modest data buffering without external memory. The wide 1.8V-5.5V operating range lets the same design run from a single-cell Li-ion pack or from a regulated 5V rail. Typical applications span battery-powered LCD panels, e-metering, white goods with segment displays, capacitive-touch user interfaces (via CTMU), portable medical monitors, and industrial control with local HMI. The CTMU module enables 24 channels of capacitive touch sensing on the larger 80-pin family members, eliminating dedicated touch controllers and reducing BOM cost. When designing with the PIC18F65K90T-I/PT, choose the '-I' industrial temperature grade for commercial and industrial products; upgrade to '-E' (extended, -40C to +125C) only for harsh-environment designs. Verify that your chosen package pin count (64-pin TQFP here) supports all required I/O, LCD segments, and analog channels for your board revision.

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PIC18F6620-E/PT

PIC18F6620-E/PT - 8-bit 25MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F6620-E/PT is a high-performance 8-bit PIC18 microcontroller with 64KB (32K x 16) of enhanced flash program memory, 1024 bytes of EEPROM, and 3.75KB of RAM, housed in a 64-pin TQFP (10x10 mm) extended-temperature package. It executes instructions at up to 8 MIPS at 16 MHz internal clock and supports an external clock input up to 40 MHz, targeting demanding embedded systems with rich peripheral integration. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and I/O peripherals on one silicon die. Within the semiconductor hierarchy, the PIC18F family belongs to the 8-bit MCU class -> microcontroller -> embedded processor -> integrated circuit. The PIC18F6620 specifically sits in the PIC18F66xx family of 64/80-pin high-performance 1 Mbit Enhanced FLASH microcontrollers with on-chip A/D, designed for C-friendly development with self-programming and ICD support. Key features include 12 channels of 10-bit Analog-to-Digital conversion (A/D), 5 capture/compare/PWM modules, an MSSP configurable as SPI or I2C, two USART modules, two 8-bit timers and three 16-bit timers, and 54 digital I/O lines. Operating voltage spans 4.2V to 5.5V, and the 'E' designator indicates the extended operating temperature range of -40C to +125C, making the device suitable for harsh-environment industrial and automotive-grade design-in. According to the manufacturer datasheet, the device supports in-circuit serial programming (ICSP) and in-circuit debugging via ICD, enabling rapid firmware iteration. Architecturally, the PIC18F6620 uses a RISC-based Harvard core with a 16-bit instruction word and an 8-bit data path, giving it the deterministic interrupt latency and C-compiler friendliness characteristic of the PIC18 family. Its 1024-byte EEPROM and self-programming flash support non-volatile data storage and field firmware upgrades without external memory. The 10-bit A/D with 12 input channels lets designers read multiple analog sensors directly from the MCU, while the five CCP/PWM channels provide motor-control and waveform-generation capability. Typical applications include industrial control panels, HVAC controllers, motor drives, uninterruptible power supplies, point-of-sale terminals, automotive body modules, and consumer appliances that demand 8-bit processing with rich mixed-signal integration. The wide temperature range and robust peripheral set also make it well suited to instrumentation front-ends and sensor hubs. When designing with this device, allocate adequate decoupling (100nF plus 10uF bulk near the supply pins) and use the ICSP header recommended in the datasheet for production programming. Ensure the MCLR reset network includes the prescribed pull-up and any required capacitor to guarantee clean power-on reset behavior. This page synthesizes distributor pricing, drop-in alternatives, and practical engineering design notes not found in the standalone manufacturer datasheet, giving procurement and design engineers an actionable comparison brief for the PIC18F6620-E/PT.

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PIC18F6620-I/PT

PIC18F6620-I/PT - 8-Bit MCU, 64KB Flash, 25MHz, TQFP-64 | Microchip

The Microchip Technology PIC18F6620-I/PT is an 8-bit CMOS flash-based microcontroller from the PIC18F family, delivering up to 10 MIPS of processing performance at a 25 MHz clock, and packaged in a 64-pin TQFP (PT) footprint. It integrates 64 KB of program flash, 3,840 bytes of SRAM, and 1,024 bytes of EEPROM, alongside 52 digital I/O pins, making it well-suited to embedded systems that require substantial code space and generous peripheral counts. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of peripherals. The PIC18 family uses an enhanced 8-bit Harvard RISC architecture with a modified instruction set that is both C-compiler friendly and assembly-efficient. Within the broader semiconductor taxonomy, an MCU sits in the integrated-circuit hierarchy as: microcontroller -> embedded processor -> digital IC -> semiconductor device. PIC18F66xx devices specifically target high-pin-count industrial, instrumentation, and human-machine-interface designs. Key features include five capture/compare/PWM modules, a 12-channel 10-bit analog-to-digital converter (ADC), two USART modules, an MSSP configurable as either SPI or I2C, two Addressable USARTs, and self-programming flash with In-Circuit Debug (ICD). The part runs from 2.0 V to 5.5 V, accepts an industrial temperature range of -40C to +85C, and supports both internal and external oscillator modes for flexible clocking. Architecturally, the PIC18F6620 uses a 16-bit instruction word with an 8-bit data path, a hardware multiplier for fast math, a priority-level interrupt controller, and a 31-level hardware stack. Self-programming allows bootloader-based firmware updates in the field, while ICD support enables real-time debugging through two pins without consuming I/O. Typical applications include industrial control panels, instrumentation, HVAC controllers, automotive body and climate electronics, USB-to-UART bridging via the USART peripherals, and white-goods user interfaces. The 12-bit ADC and generous I/O count make it ideal for sensor aggregation boards. When designing with this part, ensure decoupling capacitors are placed within 5 mm of the VDD/VSS pairs, that the MCLR pin is pulled high through the recommended 10 kohm resistor, and that the in-circuit debugger is connected only during development. A common pitfall is leaving the LVD (low-voltage detect) disabled when designing for brown-out-sensitive applications. This page synthesizes drop-in alternatives, application circuits, and design notes not available in the standalone Microchip datasheet, giving engineers a one-stop reference for selecting and applying the PIC18F6620-I/PT.

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PIC18F6620T-I/PT

PIC18F6620T-I/PT - 64KB Flash 8-bit MCU 25MHz 64-TQFP | Microchip

The Microchip Technology PIC18F6620T-I/PT is an 8-bit PIC18F-series flash microcontroller featuring 64KB (32K x 16) of on-chip program flash, 3840 bytes of RAM, and 1024 bytes of EEPROM, housed in a 64-pin TQFP (10x10 mm) package. It operates from 4.2V to 5.5V and runs up to 25MHz (40MHz for the PIC18F6620 datasheet family), delivering up to 10 MIPS of processing throughput via the enhanced PIC18 RISC architecture. The 'T' suffix indicates tape-and-reel packaging, while 'I/PT' indicates the industrial temperature grade (-40C to +85C) and TQFP-64 package. An 8-bit flash microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, EEPROM, and a rich set of peripheral interfaces into one package. In the broader product hierarchy, the PIC18F6620 sits within the 8-bit microcontroller category -> RISC microcontroller -> embedded controller -> semiconductor IC. These MCUs are the workhorse of cost-sensitive embedded designs that need deterministic real-time response, low power, and a wide ecosystem of development tools, making them complementary to (rather than competitive with) 32-bit ARM Cortex-M parts. Key features include 52 digital I/O pins, 12 channels of 10-bit analog-to-digital conversion, two USART modules, one MSSP configurable as SPI or I2C, five capture/compare/PWM peripherals, two 8-bit timers and three 16-bit timers, and self-programming support with ICD (In-Circuit Debugger) capability. The enhanced 16-bit instruction set is fully compatible with the C compiler-friendly PIC18 architecture, enabling rapid firmware development using Microchip's MPLAB X IDE and XC8 toolchain. Typical applications include industrial control panels, HVAC and building automation, consumer appliance interfaces, automotive body and accessory modules, USB-to-UART bridge controllers, sensor aggregators, and small graphical user-interface boards. The wide 5V supply range makes it a direct fit for noisy industrial buses and for designs migrating from legacy PIC16 designs that need more code space and timers. When designing with the PIC18F6620, follow Microchip's recommended decoupling (0.1 uF on each VDD pin plus a bulk 10 uF tantalum) and place the ICSP/ICD header footprint so production boards remain in-circuit debuggable. Watch the parallel-slave-port pins if your layout does not need external bus access, since leaving them as I/O consumes only a few bytes of configuration but can simplify PCB routing.

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PIC18F6621-E/PT

PIC18F6621-E/PT - 8-Bit 25MHz 64KB Flash MCU 64-TQFP | Microchip

The Microchip Technology PIC18F6621-E/PT is an 8-bit RISC PIC18 microcontroller with 64KB (32K x 16) of enhanced Flash program memory, 25 MHz maximum operating frequency, and 54 I/O pins in a 64-pin TQFP (10x10 mm) package. It is part of Microchip's PIC18F high-performance family that pairs Harvard-architecture compute throughput with on-chip peripherals, including a 12-bit A/D converter and multiple serial interfaces. The "E" suffix denotes the extended industrial temperature grade (-40C to +125C). A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip's PIC (Peripheral Interface Controller) family. Within the broader taxonomy, PIC18 sits above PIC10/12/16 baseline devices and below 16-bit dsPIC and 32-bit PIC32 families, offering a balance of cost, performance, and code density. The PIC18F6621 belongs to the 64/80-pin high-performance sub-family that targets human-machine interface (HMI), automotive, and industrial control applications requiring large memory and many I/Os. Key features include 64KB enhanced Flash with self-programmability, 3.8KB RAM, 1KB EEPROM, an internal 8 MHz RC oscillator (with PLL up to 40 MHz), 12-bit A/D converter (8 channels), two USART modules, MSSP (SPI/I2C), and capture/compare/PWM modules. The 64-pin TQFP package has a 10x10 mm body with 0.5 mm pitch, supporting surface-mount assembly on standard PCB processes. The device is engineered for demanding embedded systems that need robust 5V power supply tolerance and reliable operation across -40C to +125C. Typical applications include industrial control panels, automotive body and instrument cluster modules, white goods and appliance controllers, medical device user interfaces, and HMI touch-screen boards. The extended memory and rich peripheral set also suit point-of-sale terminals and small graphical-display controllers. When designing, ensure the 5V supply is well decoupled with 100 nF ceramic plus bulk capacitance placed close to VDD/AVDD/VSS pins. Program/debug is done via ICSP using the PGC/PGD pins - reserve these on the schematic for in-circuit programming access. The internal oscillator with PLL should be used only after verifying peripheral timing margin across the full temperature range.

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PIC18F6621-I/PT

PIC18F6621-I/PT - 64KB Flash 8-bit MCU 40MHz 64-TQFP | Microchip

The Microchip Technology PIC18F6621-I/PT is a high-performance 8-bit PIC18 microcontroller featuring 64KB of enhanced Flash program memory, 3840 bytes of RAM, and a 40 MHz maximum operating frequency, housed in a 64-pin TQFP (10x10 mm) industrial-temperature package. Key specifications include 8-bit RISC architecture with 16-bit wide instructions, an integrated 10-bit A/D converter with up to 12 input channels, two Enhanced Capture/Compare/PWM (ECCP) modules plus two CCP modules, a hardware multiplier (8x8), software Phase-Locked Loop (PLL), programmable Low-Voltage Detect (LVD), an External Memory Interface supporting up to 2 MB address space, and 54 digital I/O pins. The PIC18F6621 operates from 4.2V to 5.5V and supports industrial temperature grade (-40C to +85C). The PIC18F6621 belongs to the PIC18F6525/6621/8525/8621 family, offering the advantages of all PIC18 microcontrollers - high computational performance at economical price - while adding high-performance peripheral integration. A 14-channel PWM block, In-Circuit Debugging, and In-Circuit Serial Programming (ICSP) support simplify prototyping and field upgrades. This device is engineered for industrial automation, motor control, and consumer applications requiring robust 8-bit processing with mixed-signal capability. The hardware 8x8 multiplier accelerates arithmetic in control loops, while the 10-bit ADC delivers conversion rates suitable for closed-loop feedback. Compared to 16-bit alternatives, the PIC18F6621 reduces BOM cost while maintaining deterministic interrupt latency. Typical applications include HVAC control systems, industrial sensor hubs, motor drive controllers, point-of-sale terminals, and home appliances. The wide operating voltage and industrial temperature range allow deployment in harsh environments without additional conditioning. When designing with the PIC18F6621, observe decoupling guidelines (0.1 uF + 10 uF near VDD), use the MCLR reset pin with the proper pull-up network, and route the 40 MHz crystal traces as short as possible to minimize EMI. For code protection, configure CP1/CP2 bits per the device data sheet. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F6622-E/PT

PIC18F6622-E/PT - 8-bit MCU 64KB Flash 64-TQFP | Microchip

The Microchip Technology PIC18F6622-E/PT is an 8-bit PIC18F-family flash microcontroller with 64 KB (32K x 16) of program memory and a 25 MHz internal operating frequency (40 MHz maximum), housed in a 64-pin TQFP (10x10 mm, 1 mm height, plastic MS-026) package. It integrates 4 KB of RAM and 1 KB of EEPROM data memory, 54 digital I/O lines, and a 10-bit ADC with up to 12 channels, and is specified for operation across the -40C to +125C extended industrial temperature range with a 4.2 V to 5.5 V supply. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a configurable set of peripherals (ADC, timers, communication ports, I/O). The PIC18F family sits in Microchip's 8-bit nanoWatt XLP portfolio and is intended for embedded applications requiring moderate code density, deterministic real-time response, and rich connectivity. Within Microchip's taxonomy, PIC18F6622 belongs to the PIC18F8722 device family: 8-bit MCU > microcontroller > embedded IC > semiconductor. Key features include four serial ports: two synchronous (I2C and SPI) and two asynchronous (USART with LIN hardware support), making the part well suited to multi-bus gateways. The nanoWatt XLP power-management architecture provides multiple low-power sleep modes and peripheral clock gating, and the device also integrates 4 hardware capture/compare/PWM modules for motor and lighting control. The 54 I/O pins are 5 V tolerant and software-configurable as digital or analog. Typical applications include industrial control panels, large low-power sensor nodes, automotive body and LIN-cluster nodes, USB/serial bridges, and any embedded design that needs more code space and peripherals than smaller PIC18F parts can provide. The 64 KB flash / 4 KB RAM envelope fits embedded TCP/IP stacks, USB CDC/HID class firmware, and graphical menu systems. When designing with this part, budget an external 10 MHz crystal or use the internal oscillator block; ensure the AVDD/AVSS pins are filtered separately from the digital supply if ADC accuracy matters, and reserve one I/O pin for In-Circuit Serial Programming (ICSP). Note the -E suffix denotes the -40C to +125C extended industrial temperature grade. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives in the 64-TQFP footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F6622-I/PT

PIC18F6622-I/PT - 8-Bit 40MHz 64KB Flash MCU, 70 I/O, TQFP-64 | Microchip

The Microchip Technology PIC18F6622-I/PT is an 8-bit enhanced flash microcontroller (MCU) based on the PIC18 family, running up to 40 MHz with 64 KB (32K x 16) of program flash and 4 KB of RAM, housed in a 64-pin TQFP (10x10 mm) package. It targets large low-power (nanoWatt) and connectivity applications that benefit from four serial ports: two synchronous (I2C and SPI) and two asynchronous (LIN-capable USART) interfaces. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile program memory (flash), volatile data memory (RAM), and peripheral set on one die. The PIC18F family sits in Microchip's enhanced mid-range hierarchy: PIC10/12/16 baseline -> PIC18 enhanced 8-bit -> PIC24/dsPIC 16-bit -> PIC32 32-bit. Within power management taxonomy, MCUs are classified as embedded controllers inside the broader semiconductor IC family. PIC18F6622-I/PT specifically integrates nanoWatt power-management modes, making it ideal for battery-powered or energy-harvesting designs where idle current dominates. Key features include 70 I/O pins, 12 channels of 10-bit ADC, two CCP modules, one Enhanced CCP (ECCP), two MSSP (I2C/SPI), two Enhanced USART (LIN-capable), two analog comparators, and a 16-bit timer. It also provides a parallel slave port for external bus expansion and an ICD-friendly in-circuit debug interface. The 64-pin TQFP exposes the full peripheral set with no multiplexing compromises for industrial and consumer designs. Architecturally, the PIC18F6622-I/PT uses a Harvard RISC core with 16-bit instructions, 8-bit data path, hardware multiply, and a 31-level deep hardware stack. The nanoWatt technology incorporates run, idle, and sleep modes with on-the-fly oscillator switching, supporting currents in the microamp range during sleep with wake-up on interrupt, watchdog, or external events. The flash program memory is self-programmable under firmware control, enabling in-field firmware updates without external programmers. Typical applications include industrial control panels, HVAC and building automation gateways, automotive LIN sub-net nodes, sensor hubs with multi-serial bridging, USB-to-UART bridges using the parallel slave port, and consumer appliances requiring high pin count with low sleep current. The large RAM and dual synchronous/dual asynchronous serial ports make it well suited to multi-protocol bridging firmware. When designing with this device, ensure decoupling with 100 nF ceramic capacitors close to each VDD/VSS pair, keep analog and digital grounds separated at the ADC reference, and route the 40 MHz crystal traces short and symmetric for EMI compliance. The -I temperature grade (-40C to +85C) covers most commercial and industrial environments, while -E grade parts serve extended-temperature applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F6627-I/PT

PIC18F6627-I/PT - 8-Bit 40MHz 96KB Flash MCU 64-TQFP | Microchip

The Microchip Technology PIC18F6627-I/PT is an 8-bit PIC18 family microcontroller (MCU) featuring 96 KB of Flash program memory, 3,936 bytes of RAM, and a 40 MHz maximum operating clock speed, housed in a 64-pin TQFP (10x10 mm) package with 54 digital I/O pins. It is built on an enhanced RISC architecture delivering 200 ns instruction execution and integrates a 10-bit analog-to-digital converter (A/D), multiple serial peripherals, and nanoWatt power-saving technology. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripheral interfaces. The PIC18F family sits in Microchip's 8-bit portfolio between PIC16 mid-range parts and the 16-bit PIC24/dsPIC families, and is widely used in cost-sensitive embedded control. The 6627 variant specifically targets large memory, connectivity-rich applications with nanoWatt energy efficiency. Key features include 96 KB (48K x 16) of enhanced Flash program memory, 1 KB of EEPROM data memory, 3,936 bytes of RAM, two synchronous serial ports (I2C and SPI capable), and two asynchronous (UART/LIN-capable) serial ports. The device supports a 4.2V to 5.5V supply range (industrial -I temperature grade, -40C to +85C) and includes four timer modules plus a 10-bit A/D converter with up to 12 input channels. Architecturally, the PIC18F6627 uses an 8-bit data path with a 16-bit instruction word and a hardware multiplier, enabling C-compiler-friendly performance. The nanoWatt technology provides multiple power-managed modes (RUN, IDLE, SLEEP) with on-the-fly clock switching from a 32 kHz secondary oscillator, allowing average current draw in the microampere range for battery-powered nodes. Typical applications include industrial control panels, automotive body/comfort modules (LIN nodes), USB-to-UART bridges when paired with external PHY, graphical LCD control, and sensor hubs with multiple serial slave devices. The 54 I/O pins and four serial ports make it well suited to systems that need to fan out to multiple peripherals simultaneously. When designing with this part, budget Flash endurance to 100K erase/write cycles typical and plan ISP/ICSP programming access on the dedicated PGC/PGD pins. The 5V supply requirement (versus the 3.3V-only PIC18FxxJ-series) makes it ideal where 5V sensor/signal integrity is needed. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F6627T-E/PT

PIC18F6627T-E/PT - 8-Bit MCU, 96KB Flash, 25MHz, 64-TQFP | Microchip

The Microchip Technology PIC18F6627T-E/PT is an 8-bit PIC microcontroller in the PIC18F family, offering 96 KB (48K x 16) of Flash program memory and 3936 bytes of RAM in a 64-pin TQFP (10x10 mm) package. It executes instructions at up to 25 MHz (with a 40 MHz oscillator input), supports 4.2V to 5.5V single-supply operation, and exposes 54 digital I/O pins suitable for large, low-power (nanoWatt) and connectivity applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces (timers, ADC, communication ports, GPIOs) on one die. The PIC18F family is Microchip's high-performance 8-bit architecture with a 16-bit instruction word, RISC design, and the nanoWatt power management feature set; it sits above the PIC16F family in flash/RAM density and below the 16-bit dsPIC and 32-bit PIC32 families. MCUs are the canonical compute node in embedded systems, sitting beneath the system taxonomy: MCU -> embedded controller -> electronic system. Key features include dual Master Synchronous Serial Port (MSSP) modules supporting SPI (all 4 modes, 2/3/4-wire) and I2C master/slave, dual UART modules with LIN-bus capability, two Capture/Compare/PWM (CCP) modules, three Enhanced CCP (ECCP) modules with programmable dead-time and auto-shutdown, a 10-bit ADC with up to 16 channels, and nanoWatt power-saving modes for battery-aware designs. The architecture combines a Harvard-style CPU with separate program and data buses, hardware multiplier, and 32 Kbyte linear data addressing, allowing deterministic interrupt response and direct C-language support. The PIC18F6627 is engineered for human-interface panels, graphical displays (LCD), and industrial control subsystems that need generous RAM for buffering and multi-protocol communication. Typical applications include large graphical LCD control, industrial automation (LIN-enabled sensor nodes, multi-axis motor control via ECCP), automotive body and climate control modules, USB-to-UART bridges using the MSSP and EUSART ports, and low-power remote sensing nodes. The wide I/O count (54) and dual serial ports also enable simultaneous SPI display + I2C sensor + LIN actuator topologies on a single chip. The 'E' suffix indicates an Extended (-40C to +125C) operating temperature range; the 'T' suffix indicates Tape and Reel packaging. When designing, budget sufficient Flash/RAM headroom (typically 25% free) for bootloader/DFU use, and verify I/O mapping against the 64-pin TQFP land pattern in the package outline drawing. This page synthesizes Microchip family cross-reference data, authorized distributor pricing, and application guidance not bundled in the manufacturer datasheet, giving engineers an at-a-glance view of pin-compatible PIC18F alternatives and same-package drop-in options.

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PIC18F6627T-I/PT

PIC18F6627T-I/PT - 8-bit 40MHz 96KB Flash MCU 64-TQFP | Microchip

The Microchip Technology PIC18F6627T-I/PT is an 8-bit PIC18F-family CMOS flash microcontroller running at 40 MHz, integrating 96 KB (48K x 16) of program flash and a 64-pin TQFP (10x10 mm) package. It belongs to the PIC18F8722 family, targeted at large, low-power (nanoWatt) and connectivity-rich applications that require four serial ports: two synchronous (I2C and SPI) and two asynchronous (LIN-capable) UARTs, with substantial on-chip RAM for buffering. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (flash/ROM), data memory (RAM), and a rich set of peripherals (timers, ADC, communication interfaces, GPIO) into one package. The PIC18F family is Microchip's high-performance 8-bit line using a RISC architecture with 200 ns instruction execution; PIC18F6627 specifically sits within the 64/80-pin, 1-Mbit Enhanced Flash MCU tier that adds a 10-bit A/D converter and nanoWatt power management. Within the system hierarchy, this part functions as a power-management-aware 8-bit controller suited to mid-complexity embedded designs. Key features include 96 KB flash, 3936 bytes of RAM, 70 I/O lines, dual I2C/SPI plus dual LIN-capable EUSARTs, 10-bit A/D converter, four timer modules, and nanoWatt technology for ultra-low-power standby. The 64-TQFP package with 0.5 mm pitch is a standard surface-mount footprint compatible with reflow soldering at MSL-3. The architecture combines the PIC18 enhanced flash core with hardware multipliers, table reads/writes for C-compiler efficiency, and priority levels for interrupts, enabling deterministic real-time response. Internal RC oscillator options plus PLL support multiple clocking strategies while nanoWatt modes (Sleep, Idle, and peripheral disable) minimize quiescent draw for battery applications. Typical applications include industrial control panels with display driving, automotive body and HVAC subsystems leveraging LIN, home appliances with user-interface logic, USB/connectivity bridges when paired with companion peripherals, and instrumentation front-ends with on-chip ADC. The wide operating voltage (typically 2.0 V to 5.5 V) and large RAM suit HMI and protocol-conversion designs. When designing, derate I/O sink/source carefully when multiple pins switch simultaneously, since simultaneous switching noise can corrupt ADC readings on adjacent channels. Place the device in a low-Slew mode or sequence outputs to mitigate this, and always include proper decoupling of VDD/VSS pins per datasheet guidance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F6628-E/PT

PIC18F6628-E/PT - 8-Bit 25MHz 96KB Flash MCU | Microchip

The Microchip Technology PIC18F6628-E/PT is a high-performance 8-bit PIC microcontroller from the PIC18F family, featuring 96KB of Flash program memory (48K x 16), 25 MIPS CPU performance at 25 MHz, and 54 digital I/O pins in a 64-pin TQFP (10x10 mm) package. It is engineered for large, low-power (nanoWatt) and connectivity-rich embedded applications requiring four serial ports (two synchronous I²C/SPI and two asynchronous LIN-capable USARTs), 4 KB of RAM for data buffering, and 1 KB of EEPROM emulation. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program and data memory, peripherals, and I/O onto one silicon die. The PIC18F family sits in Microchip's 8-bit hierarchy above baseline PIC10/12/16 families and below the 16-bit dsPIC and 32-bit SAM ARM Cortex-M lines, balancing low power consumption, deterministic interrupt latency, and rich peripheral integration for cost-sensitive embedded control. Key specifications include a wide 4.2V to 5.5V supply range, 10-bit ADC up to 12 channels, 5 CCP/ECCP modules for PWM and motor control, parallel slave port for external bus expansion, hardware 8x8 multiplier, and nanoWatt power-saving modes. The 'E' suffix indicates the Extended (-40°C to +125°C) operating temperature grade suitable for harsh industrial environments. The -PT suffix denotes the TQFP-64 (10x10 mm) surface-mount package. Architecturally, the PIC18F6628 uses a RISC Harvard architecture with separate program and data buses, a 16-bit instruction word, and a hardware multiply/divide unit delivering 25 MIPS at 25 MHz (40 MHz external oscillator with 4x PLL disabled). It supports ICD/ICSP in-circuit debugging and Flash self-programming via bootloader. Typical applications include industrial automation controllers, automotive body and HVAC modules, building automation panels, LIN/J1939 networked sensors, graphical LCD user interfaces with touch, USB-to-UART bridges using external PHYs, and uninterruptible power supply monitors. The dual USART/LIN interface enables low-cost automotive body networks. When designing with this part, leave ample ground copper and follow Microchip's TQFP-64 thermal pad recommendations even when the thermal pad is electrically floating, since reduced die-to-PCB thermal resistance aids power dissipation. Always configure unused I/O as outputs with logic-low to minimize current draw in standby, and reserve the ICSPDAT/ICSPCLK pins for in-circuit serial programming.

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PIC18F6628-I/PT

PIC18F6628-I/PT - 8-bit 40MHz 96KB Flash MCU TQFP-64 | Microchip

The Microchip Technology PIC18F6628-I/PT is an 8-bit PIC18 family microcontroller featuring 96KB of Flash program memory, 4KB of SRAM, and 1024 bytes of data EEPROM, executing instructions at up to 40 MHz (10 MIPS) from a 64-pin TQFP (10x10 mm) package. The device integrates a 12-bit ADC with up to 12 input channels, multiple serial peripherals (two I2C, two SPI, and two USART with LIN support), and nanoWatt power management for low-power operation. Its extended instruction set, large RAM footprint, and dual synchronous/dual asynchronous serial ports make it well suited to connected, peripheral-rich embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and Harvard or Von Neumann architecture, integrating CPU, ROM/Flash, RAM, and peripherals into one package. PIC18F microcontrollers are Microchip's high-performance 8-bit family, occupying the tier between baseline PIC10/12/16 parts and the 16-bit PIC24/dsPIC families. Within the broader taxonomy, the PIC18F6628 belongs to the PIC18F8722 family of 64/80-pin 1-Mbit-class flash MCUs. Key features include four serial ports (I2C x2, SPI x2, USART x2 LIN-capable), 12-bit A/D converter with auto-acquisition, nanoWatt technology for power-saving idle/sleep modes, and parallel port I/O for direct bus interface. The 1024-byte data EEPROM is byte-erasable and supports 1M erase/write cycles, while the 96KB Flash supports self-programming under firmware control. Operating voltage is 2.0 V to 5.5 V across the industrial temperature range of -40C to +85C. Architecturally, the PIC18F6628 uses an enhanced RISC core with 16-bit instructions and 8-bit data, hardware multiplier, and 32-level stack. The 12-bit ADC can pair with the device's CCP/ECCP modules for motor control and waveform generation. Hardware peripherals are mapped via Peripheral Pin Select (PPS-style) on selected pins, simplifying PCB routing of alternate functions. Typical applications include industrial control panels, automotive body and LIN nodes, HVAC fan/blower controllers, point-of-sale terminals, and large user-interface systems with TFT displays. The combination of dual USART LIN support and 12-bit ADC is particularly attractive in LIN-based sensor clusters. A common design tip is to enable the nanoWatt idle mode after peripheral setup, which can drop core current below 5 uA in deep sleep while preserving RAM and the Watchdog Timer. This page synthesizes distributor pricing, drop-in PIC18F alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC18F6628T-I/PT

PIC18F6628T-I/PT - 96KB Flash 8-bit MCU, 64-Pin TQFP | Microchip

The Microchip Technology PIC18F6628T-I/PT is an 8-bit RISC microcontroller in the PIC18F high-performance family, integrating 96 KB of Flash program memory, 4 KB of SRAM, and 1 KB of data EEPROM in a 64-pin TQFP package. It executes instructions at 40 MHz (10 MIPS) with a 200 ns instruction cycle, and operates from 4.2 V to 5.5 V across the industrial -40C to +85C range. The device exposes 54 digital I/O pins, 12 channels of 10-bit ADC, two USART, one MSSP (SPI/I2C), and a parallel slave port for external bus expansion. Background Knowledge: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, peripherals, and I/O on one die. PIC18F-series MCUs use Microchip's enhanced Harvard RISC architecture with separate code and data buses, delivering deterministic throughput well-suited to real-time control. Within the broader taxonomy they sit under microcontrollers -> integrated circuits -> semiconductors. Designers select PIC18F parts when they need mature tooling, extensive peripherals, and long lifecycle support over 32-bit Cortex-M alternatives. Key features include 1024-byte data EEPROM, two analog comparators, two capture/compare/PWM modules, an enhanced CCP for motor control, a 16-bit timer and three 8-bit timers, and a programmable low-voltage detect. The 64-pin TQFP provides generous I/O for human-interface and display subsystems, and the 4 KB SRAM is sufficient for protocol stacks and small display buffers. Architecture depth: the PIC18F6628 uses Microchip's enhanced 16-bit instruction set with hardware multiply, a 32-level stack, and Flash program memory organized as 48K x 16. Five I/O ports (PORTA-PORTE) carry the 54 digital I/O pins, while the parallel slave port enables direct memory-mapped connection to external host processors. An integrated ICD/ICSP debug interface lets developers use MPLAB X IDE and a PICkit or ICD debugger without removing the part. Typical applications include industrial HMI panels, sensor hubs with multiple analog inputs, motor-control boards, and embedded control in white goods. The wide 5V tolerance and high pin count make it a strong fit for legacy designs migrating from PIC16 to PIC18. Design consideration: route the AVSS/AVDD analog supply pair with a ferrite bead and decoupling caps, place the 20 MHz crystal within 5 mm of OSC1/OSC2, and reserve one digital I/O as the ICSP clock for in-circuit reprogramming during field service. Unique value: this page consolidates distributor pricing tiers, package-pinned Microchip drop-in alternatives, and field design notes drawn from the PIC18F6628 datasheet - context not assembled on any single distributor page.

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PIC18F6680-E/L

PIC18F6680-E/L - 64KB Flash 8-bit MCU w/ECAN | Microchip

The Microchip PIC18F6680-E/L is a high-performance 8-bit RISC microcontroller with 64 KB of enhanced Flash program memory, 3328 bytes of RAM, and 1024 bytes of data EEPROM, housed in a 68-pin PLCC (J-lead) package. It runs at up to 40 MHz clock speed and operates from 4.2 V to 5.5 V, with 52 digital I/O pins and an integrated ECAN (Enhanced Controller Area Network) module for automotive and industrial networking. The '-E' suffix designates the extended industrial temperature grade (-40 C to +125 C), making this part suitable for harsh-environment embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that integrates a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), non-volatile data storage (EEPROM), and a rich set of peripherals (timers, ADC, communication modules, GPIO) on a single silicon die. The PIC18 family from Microchip uses an advanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data bus, sitting in the broader microcontroller taxonomy between 8-bit 8051 derivatives and 32-bit ARM Cortex-M cores. Within power management and embedded control hierarchies, the PIC18F6680 belongs to the PIC18F6X8X sub-family, which is Microchip's high-pin-count branch for CAN-connected industrial nodes. Key features include 10 MIPS performance at 40 MHz, hardware ECAN module (CAN 2.0B active), 12-bit ADC, multiple USART/SPI/I2C peripherals, 4 timers, and nanoWatt technology for low-power sleep modes. The 1024-byte EEPROM supports 1 million erase/write cycles typical, and the Flash program memory supports 100k erase/write cycles. The ECAN module supports both standard and extended identifiers and includes advanced filtering, which is essential for message-rich automotive networks. The PIC18F6680's architecture pairs the 8-bit data ALU with a 16-bit instruction pipeline, achieving throughput comparable to many 16-bit microcontrollers while retaining the simplicity of 8-bit code. The ECAN peripheral offloads message filtering and arbitration from the CPU, freeing cycles for application logic, while nanoWatt power management supports run, idle, and sleep modes with microamp quiescent currents. Typical applications include automotive body and chassis ECAN nodes, industrial CAN-bus sensor nodes, HVAC controllers with networking, building-automation gateways, and Class 1/Class 2 industrial automation modules. The wide temperature grade and integrated ECAN make it a strong fit for any CAN-based distributed-control system that needs automotive-grade reliability at industrial price points. When designing with this device, follow Microchip's recommended decoupling (100 nF on every VDD/VSS pair), keep the ECAN bus traces impedance-matched to 120 ohm, and validate the brown-out and watchdog configuration against your system-level fault-recovery strategy. The 68-pin PLCC package is socket-compatible with many legacy designs, simplifying field upgrades. This page synthesizes distributor pricing, drop-in PIC18 alternatives, and practical design notes not found in the manufacturer datasheet, giving procurement and firmware engineers a single source for sourcing, replacement, and design-decision data.

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PIC18F6680-E/PT

PIC18F6680-E/PT - 8-bit 40MHz MCU 64KB Flash ECAN | Microchip

The Microchip Technology PIC18F6680-E/PT is a high-performance 8-bit microcontroller from the PIC18F family with 64KB of enhanced Flash program memory and an integrated ECAN (Enhanced Controller Area Network) module, housed in a 64-pin TQFP (10x10 mm) package. The device operates at up to 40 MHz clock speed, delivering 10 MIPS instruction throughput, and integrates 3,328 bytes of RAM plus 1,024 bytes of EEPROM, targeting embedded CAN networking applications. Per the Microchip datasheet family DS39637A, the PIC18F6680 family adds the ECAN peripheral to the standard PIC18F feature set and supports up to 52 digital I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash/RAM/EEPROM), and programmable peripherals. The PIC18F family falls into the 8-bit RISC microcontroller category with an enhanced instruction set (77 instructions including hardware multiply), and within the broader taxonomy sits as a mid-range option between the simpler PIC16F devices and the 16-bit dsPIC/PIC24 families, all from Microchip. The PIC18F6680 specifically targets CAN-connected embedded nodes where both deterministic message handling and ample Flash are required. Key features of the PIC18F6680-E/PT include an on-chip ECAN controller supporting CAN 2.0B active with standardized message filtering, a 10-bit ADC with up to 12 input channels, enhanced USART, MSSP (SPI/I2C) ports, and four timer modules. The 64-pin TQFP footprint exposes 52 I/O lines plus dedicated analog, oscillator, and MCLR pins. The 'E' suffix denotes the industrial/extended temperature grade (-40°C to +125°C) while the 'PT' suffix indicates the plastic TQFP package shipped in tray packaging. Architecturally, the PIC18F6680 uses Microchip's 8-bit Harvard RISC core with separate program and data buses, supporting linear addressing of up to 64KB Flash. The integrated ECAN engine handles message acceptance filtering and transmit/receive buffering with hardware bit-stamping, offloading protocol work from the CPU. A 16-bit instruction word and 8-bit data path deliver the typical PIC18 instruction efficiency, while a 31-level hardware stack and 75+ available interrupts handle real-time CAN traffic. Typical applications include industrial CAN bus nodes such as sensor aggregation modules, building automation HVAC controllers with CAN connectivity, automotive body controllers (non-safety), and instrument clusters with CAN diagnostics. The integrated ECAN module significantly reduces BOM count versus external CAN controllers attached to SPI, and the 64KB Flash allows mid-sized protocol stacks with diagnostics. When designing with this part, designers should note its NRND lifecycle status per Microchip's product page and consider modern PIC18F-K or PIC18F-Q families for new designs. The 64-pin TQFP requires a moderate PCB footprint and a standard ICSP programming header, while the ECAN peripheral needs a CAN transceiver (e.g., MCP2551) to interface with the physical bus. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives drawn from Microchip's parametric portfolio, and ECAN design considerations not consolidated in a single datasheet preview.

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PIC18F6680T-I/PT

PIC18F6680T-I/PT - 64KB Flash 40MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F6680T-I/PT is a high-performance 8-bit PIC microcontroller featuring 64 KB of Flash program memory (32K x 16 organization), 3,328 bytes of RAM, and 1 KB of EEPROM, housed in a 64-pin TQFP (10x10 mm) package. It runs at up to 40 MHz (10 MIPS) with a wide 4.2V to 5.5V supply range and integrates a 12-channel 10-bit ADC, full-speed USB 2.0, CAN 2.0B, and three analog comparators on a single die. What is an 8-bit PIC microcontroller? An 8-bit microcontroller is a small computer-on-chip that processes data in 8-bit chunks and integrates CPU, RAM, non-volatile program memory, and peripherals into one IC. The PIC18F family sits in the upper tier of Microchip's 8-bit portfolio, using an enhanced Harvard RISC architecture with 16-bit instructions that deliver up to 10 MIPS at 40 MHz. Microcontroller families like PIC18F sit below 16-bit dsPIC and 32-bit PIC32 in Microchip's hierarchy, but they remain widely used for cost-sensitive, deterministic, low-power embedded designs because of their mature toolchain, IEC 60730 Class B compliance support, and broad peripheral integration. Key features include nanoWatt technology for power-managed sleep modes, an Enhanced Capture/Compare/PWM (ECCP) module, two USART ports, an I2C/SPI peripheral, two PWM modules, and up to 52 digital I/O lines. The 'T' suffix indicates tape-and-reel packaging, 'I' denotes the industrial -40C to +85C temperature range, and 'PT' is Microchip's package designator for 64-pin TQFP. Architecturally, the PIC18F6680 uses a 16-bit program path with an 8-bit data path, 31-level hardware stack, and hardware multiplier. The integrated CAN 2.0B and USB 2.0 (full speed) make it well-suited for industrial networking bridges where two wired protocols coexist alongside general-purpose I/O and ADC channels. Typical applications include industrial automation nodes, automotive body and HVAC controllers (with the AEC-Q100 PIC18F6680T-I/PTVAO equivalent), USB-to-CAN bridges, building automation sensor hubs, and embedded control panels that require deterministic 8-bit performance without stepping up to a 32-bit MCU. When migrating from legacy PIC18 designs, the PT-package footprint is shared with PIC18F8585/6680/6585/8680 family members, easing PCB reuse.

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PIC18F66J10-I/PT

PIC18F66J10-I/PT - 8-Bit 40MHz MCU, 64KB Flash, 64-TQFP | Microchip

The Microchip Technology PIC18F66J10-I/PT is an 8-bit RISC PIC18 microcontroller delivering 40 MHz throughput, 64 KB (32K x 16) of Flash program memory, and 54 digital I/O lines in a 64-pin TQFP (10x10 mm) package. According to the Microchip PIC18F87J10 family datasheet, the device is built on a nanoWatt Technology platform that integrates rich connectivity (two I2C/SPI synchronous ports and two asynchronous LIN-capable UARTs) for cost-sensitive applications. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes one instruction per clock cycle (excluding branches). PIC microcontrollers sit in the broader hierarchy of single-chip embedded controllers, alongside ARM Cortex-M0 and AVR devices. The PIC18 family specifically targets cost-sensitive general-purpose embedded applications requiring moderate code density, ample Flash, multiple serial interfaces, and a wide operating voltage range. Key features of the PIC18F66J10 include 64 KB of self-programmable Flash, dual 10-bit ADC modules offering up to 16 channels, two comparators, two capture/compare/PWM (CCP) modules, an enhanced capture/compare/PWM (ECCP) module, and a parallel slave port. The 4.2 V to 5.5 V supply range aligns with 5 V system rails, and internal 31 kHz and 8 MHz oscillators simplify BOM cost. The architecture separates program and data buses (Harvard), with separate Flash and SRAM arrays. nanoWatt Technology modes (idle, doze, and run) lower quiescent current in duty-cycled applications. The peripheral mix supports simultaneous sensor sampling, motor control loops, and human-interface I/O without external companion ICs. Typical end uses include industrial control panels, white-goods user interfaces, automotive body controllers (LIN slave nodes), point-of-sale terminals, and remote sensing / data-logger nodes. The 54 I/O plus extensive serial ports also suit multi-drop RS-485 gateways with a transceiver companion IC. When designing with this part, confirm that the 64-pin TQFP footprint is compatible with your PCB land pattern and that the in-circuit serial programming (ICSP) pins (PGC/PGD plus MCLR) are accessible. Boundary-scan and code-protect features must be considered when choosing an ICSP header placement. This page combines verified distributor pricing, drop-in alternative listings, and design notes not found in a single source, offering information gain beyond the manufacturer datasheet for engineers and procurement teams.

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PIC18F66J11T-I/PT

PIC18F66J11T-I/PT - 64KB Flash 8-bit MCU TQFP-64 | Microchip

The Microchip Technology PIC18F66J11T-I/PT is an 8-bit PIC18 microcontroller IC operating at up to 48 MHz (10 MIPS) with 64 KB (32K x 16) of Flash program memory, housed in a 64-pin TQFP (10x10 mm) package. It is part of the PIC18F87J11 family and is targeted at cost-sensitive 3V applications that require flexible serial communication with four serial ports: two synchronous (I2C and SPI) and two asynchronous (UART) ports. The device integrates 3,936 bytes of RAM and exposes up to 51 digital I/O pins with 5V-tolerant inputs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and configurable peripherals (timers, ADC, communication interfaces). The PIC18 architecture is an enhanced Harvard 8-bit RISC core, sitting in the taxonomy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. The PIC18F66J11 family specifically targets low-voltage (2.0-3.6V) designs while still allowing 5V-tolerant inputs for mixed-voltage systems. Key features of the PIC18F66J11T-I/PT include nanoWatt Technology for power management, an internal 8 MHz oscillator, a Parallel Master Port (PMP) for external memory or graphics interfacing, Enhanced ICD with 3 hardware breakpoints for in-circuit debugging, and Flash endurance of 10,000 erase/write cycles with 20-year data retention. The 51 I/O lines support peripheral pin select flexibility, and the device operates across the industrial temperature range (-40C to +85C). The PIC18F66J11 architecture uses a 16-bit instruction word with a multi-stage pipeline, achieving 10 MIPS at 48 MHz while consuming very low active current thanks to nanoWatt Technology. The PMP module can interface to external parallel buses, SRAM, or TFT displays, and the four serial ports enable simultaneous bridges to sensor, host, debug, and fieldbus domains. Typical applications include industrial control panels, USB-to-UART bridges, multi-protocol sensor hubs, low-power HMI terminals, and 3V appliance controllers. The wide peripheral set makes the device well-suited for cost-sensitive products that still need multiple communication channels. When designing with the PIC18F66J11T-I/PT, ensure the supply is decoupled with a 100 nF ceramic capacitor close to VDD and a bulk tantalum or aluminum polymer cap of at least 10 uF; the analog and digital VDD pins must be tied together even when the ADC is unused. Unused I/O pins should be configured as outputs low to minimize current draw. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18F87J11 family, and practical design notes not found in the manufacturer datasheet, helping engineers select the right 8-bit MCU for cost-sensitive 3V designs.

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PIC18F66J15-I/PT

PIC18F66J15-I/PT - 8-bit MCU 96KB Flash 40MHz 64-TQFP | Microchip

The Microchip Technology PIC18F66J15-I/PT is an 8-bit PIC18 flash microcontroller with 96 KB of program Flash, 4 KB of RAM, and a 40 MHz internal oscillator delivering up to 16 MIPS of processing throughput, housed in a 64-pin TQFP (10x10 mm) package. It belongs to the PIC18F87J10 family of cost-sensitive general-purpose MCUs and integrates four serial ports: two synchronous ports supporting I²C and SPI, and two asynchronous (LIN-capable) UART ports for in-vehicle networking. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory (RAM), and configurable peripherals. The PIC18 family uses a RISC-based 8-bit core with a 16-bit instruction word that runs one instruction per four clock cycles. Within Microchip's hierarchy, the PIC18F66J15 sits in the mid-range flash tier above the PIC16 baseline and below the 16-bit PIC24/dsPIC families, making it the canonical choice for cost-sensitive embedded designs that require large memory and rich connectivity. The device features a 10-bit ADC, multiple 16-bit timers, and parallel slave port. With 54 I/O pins and an internal 31 kHz to 8 MHz oscillator (PLL to 40 MHz), the part supports multiple operating modes and a wide peripheral mix. The 64-TQFP package with 10x10 mm body and 1 mm height provides ample I/O count for applications needing simultaneous connection to multiple sensors, displays, and communication buses. Architecturally, the PIC18F66J15 uses a Harvard-style memory layout with separate program Flash and data paths, which lets the CPU fetch instructions while reading data in the same cycle. This dual-path design, combined with a 16-bit wide program bus, is the foundation of the family's throughput advantage over 8-bit CISC alternatives in C-language and interrupt-driven workloads. Typical applications include industrial control panels, automotive body and climate subsystems (LIN slaves), home appliance user interfaces, point-of-sale terminals, and small graphical LCD controllers. In automotive body modules it acts as a LIN slave behind a master gateway; in consumer appliances it drives segmented or graphical LCDs while handling keypad scanning; and in industrial sensors it provides multi-protocol connectivity for SPI sensors, I²C EEPROM, and UART-modem interfaces. When designing with this MCU, pay attention to supply voltage - the PIC18F66J15 family runs from 4.2V to 5.5V, which differs from the 2.0V-3.6V PIC18F46K22 family. Decouple VDD/VSS with 0.1 µF ceramics placed within a few millimetres of each pin pair to keep digital switching noise out of the ADC reference. This page consolidates distributor pricing, pin-compatible alternatives from the same PIC18F87J10 family, and design guidance drawn from Microchip datasheets and reference designs, going beyond the raw datasheet to help engineers select and source the part quickly.

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PIC18F66J15-I/PT - 8-bit MCU 96KB Flash 40MHz 64-TQFP | Microchip