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PIC18F25Q10-I/STX - 8-Bit MCU, 32KB Flash, 28-VQFN | Microchip
PIC18F25Q10-I/STX

PIC18F25Q10-I/STX - 8-Bit MCU, 32KB Flash, 28-VQFN | Microchip

The Microchip Technology PIC18F25Q10-I/STX is an 8-bit PIC18 microcontroller from the XLP™ 18Q family, delivering 64 MHz CPU performance with 32 KB of Flash program memory and packaged in a 28-pin VQFN (4x4 mm, STX suffix). The -I temperature grade designates -40C to +85C industrial operation, well-suited for harsh-environment embedded designs. What is an 8-bit microcontroller? An 8-bit MCU is an integrated processor that executes arithmetic and logical operations on 8-bit data words. The PIC18F25Q10 belongs to the broader PIC18 microcontroller family, which sits within Microchip's 8-bit PIC architecture, itself a major branch of the microcontroller (MCU) hierarchy: MCU -> embedded processor -> semiconductor device. The "Q10" suffix identifies Microchip's low-power, high-performance sub-family featuring Core Independent Peripherals (CIPs) and intelligent analog. Key features of the PIC18F25Q10-I/STX include 32 KB Flash, 2 KB SRAM, 256 bytes of EEPROM, a 10-bit Analog-to-Digital Converter with Computation (ADC2) supporting automated Capacitive Voltage Divider (CVD) touch sensing, a Digital-to-Analog Converter, comparators, PWM, Complementary Waveform Generator (CWG), Hardware Limit Timer (HLT), and Windowed Watchdog Timer (WWDT). The device supports XLP (eXtreme Low Power) sleep currents in the nanoamp range and operates from 1.8V to 5.5V with 5V tolerance on digital I/O for noise immunity in industrial settings. In terms of architecture, the PIC18F25Q10 uses a Harvard RISC core with separate program and data buses, a configurable instruction set, and a Peripheral Pin Select (PPS) engine that lets designers remap digital peripherals to any I/O pin. ADC2 hardware-averages and oversamples conversions, offloading filtering from the CPU and reducing firmware complexity for sensor-front-end code. Typical applications include capacitive touch user interfaces, low-power sensor nodes, IoT edge devices, industrial control modules, automotive body electronics (non-safety), and battery-powered consumer appliances. The wide 1.8V-5.5V supply range and 5V-tolerance on I/O allow direct interfacing with 5V analog signals. When designing with this part, note that the 28-VQFN (4x4) footprint is shared with sibling parts such as the PIC18F24Q10, so PCB layout can be reused for a lower-memory variant. Always check Peripheral Pin Select remapping rules in MPLAB X IDE before committing to a pinout. This page synthesizes distributor pricing, drop-in replacement candidates, and practical design notes not found in the manufacturer datasheet, giving procurement and firmware engineers a single source for cross-reference, lifecycle, and sourcing decisions.

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PIC18F25Q10T-I/STX - 32KB Flash 8-bit MCU, 28-VQFN | Microchip
PIC18F25Q10T-I/STX

PIC18F25Q10T-I/STX - 32KB Flash 8-bit MCU, 28-VQFN | Microchip

The Microchip PIC18F25Q10T-I/STX is an 8-bit PIC18 microcontroller built on the eXtreme Low Power (XLP) platform, integrating 32 KB of Flash program memory, 2 KB of SRAM and 256 bytes of EEPROM in a 28-pin VQFN (4x4 mm) package. It operates from 1.8 V to 5.5 V with a 64 MHz internal oscillator, while the industrial temperature grade spans -40 °C to +85 °C. What is an 8-bit PIC microcontroller? PIC microcontrollers are RISC-based, Harvard-architecture microcontrollers from Microchip that integrate CPU core, non-volatile Flash, SRAM, EEPROM and configurable peripherals on a single die. The PIC18 family extends the original PIC16 instruction set with 16-bit instructions, linear addressing, and a C-friendly compiler toolchain (MPLAB XC8). The PIC18F25Q10 belongs to the PIC18-Q10 sub-family, which adds Core Independent Peripherals (CIPs), Configurable Logic Cells (CLCs), and 5 V analog operation for noise immunity in industrial environments. Key features include a 10-bit ADC with Computation (ADC2) supporting capacitive voltage divider (CVD) touch sensing, a 5-bit DAC, two comparators, a Complementary Waveform Generator (CWG), and a Windowed Watchdog Timer (WWDT). The CIP set (CLC, NCO, PWM, CWG, HLT) lets designers offload timing-critical state machines from the CPU. eXLP technology delivers nanoWatt sleep currents, and the 64 MHz core yields 16 MIPS sustained throughput. The device exposes 25 digital I/O lines, supports up to two I2C, two SPI and two UART channels, and integrates an 8-bit parallel port. In real-time control and sensor-node applications, the PIC18F25Q10 balances deterministic latency, low power and analog density. The ADC2 with hardware averaging and threshold detection enables direct connection to resistive or capacitive sensors without an external op-amp. Hardware CIPs run control loops in silicon, freeing the core to sleep, which extends battery life. Compared with Cortex-M0+ parts at the same price, the PIC18-Q10 is favoured where 5 V noise tolerance, robust I/O and a long-stable toolchain matter more than raw MHz. Typical applications include sensor nodes, low-power IoT edge devices, capacitive touch user interfaces, BLDC motor control helpers, LED lighting controllers, and small industrial control boards. Designers benefit from MPLAB X IDE, MPLAB Code Configurator (MCC), and a free MPLAB XC8 compiler. A key design tip is to keep VDD decoupling within 5 mm of the pins: a 100 nF X7R plus a 1 µF X5R cap is the minimum, and the CVD reference capacitor should be a low-drift C0G/NP0 part for stable touch baselines. This page synthesises real-time distributor pricing, verified same-package drop-in alternatives and practical design notes that are not collected in the manufacturer datasheet.

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PIC18F25Q43-E/SO - 32KB Flash 8-bit MCU, 28-SOIC | Microchip
PIC18F25Q43-E/SO

PIC18F25Q43-E/SO - 32KB Flash 8-bit MCU, 28-SOIC | Microchip

The Microchip Technology PIC18F25Q43-E/SO is an 8-bit PIC microcontroller from the PIC18-Q43 family, featuring 32KB of Flash program memory, 2KB of RAM, and a 64 MHz maximum CPU speed, housed in a 28-pin SOIC package. The device integrates a 12-bit Analog-to-Digital Converter with Computation (ADCC), three 16-bit PWMs with high resolution, a 5-bit DAC, a comparator, and Core Independent Peripherals (CIPs) including Configurable Logic Cells (CLCs), Direct Memory Access (DMA), and the Peripheral Pin Select (PPS) routing fabric. A microcontroller (MCU) is an integrated circuit containing a processor core, program memory, data memory, and configurable peripherals on a single silicon die, designed for embedded real-time control. The PIC18 family sits within the 8-bit MCU category in the broader semiconductor taxonomy, sharing the segment with 16-bit PIC24/dsPIC and 32-bit SAM/PIC32 devices; the Q43 sub-family is Microchip's lowest-power XLP variant targeted at real-time control and capacitive touch applications. Key differentiating specifications include 32KB self-programmable Flash with a 1KB EEPROM data region, 2KB SRAM, 64 MHz internal oscillator operation (16 MIPS throughput), 12-bit ADCC with up to 140 ksps conversion, and XLP extreme-low-power technology delivering nanoWatt sleep currents. The Q43 family introduces 16-bit PWMs that eliminate the CPU interrupt burden in motor and lighting control, and DMA channels that allow peripherals to move data without CPU intervention. Architecturally the device uses Microchip's enhanced mid-range core with a 16-bit instruction set and hardware multiply, eight-level deep hardware stack, and on-chip debug via ICD. Memory protection, code security, dual-watchdog timer, and CRC scanning make it suitable for IEC/UL safety-conscious designs. The wide 1.8V-5.5V VDD range enables single-cell Li-ion, 3.3V, and 5V system designs from one part. Typical applications include real-time motor control (BLDC, stepper, FOC), capacitive touch sensing using CVD with automatic scan, LED lighting drivers, digital power conversion, USB-to-UART bridges, sensor hubs, and consumer/IoT appliances requiring low-power sleep modes. The 28-pin SOIC footprint is pin-compatible with many PIC18F2xK42 and PIC18F2xK80 designs, simplifying board migration. When designing with the PIC18F25Q43-E/SO, leverage PPS for flexible peripheral routing and use the 16-bit PWM for motor/lighting drive to free CPU cycles. Always validate ADC acquisition time against source impedance and place VDD/VSS decoupling within 3 mm of the pins.

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PIC18F25Q43-E/SP - 8-bit 64MHz MCU, 32KB Flash, XLP | Microchip
PIC18F25Q43-E/SP

PIC18F25Q43-E/SP - 8-bit 64MHz MCU, 32KB Flash, XLP | Microchip

The Microchip Technology PIC18F25Q43-E/SP is an 8-bit RISC microcontroller built on the PIC18 CPU core, running at up to 64 MHz, and integrating 32 KB of Flash program memory, 2 KB of SRAM, and 1 KB of EEPROM in a 28-pin SPDIP (SP) through-hole package. It is part of the PIC18-Q43 family, which is engineered for real-time control applications combining high-performance analog and digital peripherals. According to the manufacturer datasheet (DS40002170E), the device features a 12-bit Analog-to-Digital Converter with Computation (ADCC) that automates Capacitive Voltage Divider (CVD) techniques, plus a new 16-bit Pulse-Width Modulation (PWM) module with dual outputs. An 8-bit microcontroller (MCU) is a microprocessor integrated with memory, peripherals, and I/O on a single silicon die, optimized for embedded control tasks. The PIC architecture sits within the broader hierarchy of microcontroller -> embedded processor -> semiconductor device. The 8-bit class excels in deterministic, low-cost, low-power applications where higher-bit architectures are unnecessary, while still offering modern features such as Core Independent Peripherals (CIPs), Direct Memory Access (DMA), and Configurable Logic Cells (CLCs). Key features include up to 64 MHz operation (16 MIPS instruction throughput), eXtreme Low Power (XLP) technology for battery-friendly designs, four 16-bit timers, two I2C/SPI/UART-configurable serial interfaces, multiple PWM channels, comparators, and an 8-bit DAC. The ADCC handles automated capacitive touch sensing, averaging, filtering, oversampling, and threshold comparison, reducing firmware burden for sensor front-ends. The 28-pin SPDIP package provides easy through-hole prototyping for hobbyist, industrial, and educational designs. Typical applications include capacitive touch user interfaces, motor control with closed-loop feedback, sensor signal conditioning, LED lighting controllers, and low-power IoT edge nodes. The XLP technology makes the part especially suitable for battery-powered systems where deep sleep currents in the nanoamp range extend operational life. When designing with this device, route the analog AVCC/AGND pins with star grounding, keep ADC traces short, and place the 0.1 uF + 10 uF decoupling pair close to VDD. The SPDIP package simplifies breadboard prototyping but is typically limited to industrial operating environments; for AEC-Q100 automotive applications use the -Q43 extended grade or the QFN package. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F25Q43-E/SS - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F25Q43-E/SS

PIC18F25Q43-E/SS - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip PIC18F25Q43-E/SS is an 8-bit PIC18 microcontroller from the PIC18-Q43 family, featuring 32 KB of Flash program memory and operating at up to 64 MHz internal clock in a 28-pin SSOP package. It integrates a 12-bit ADC with Computation (ADCC) for hardware-accelerated capacitive touch sensing, three 16-bit PWM modules with complementary outputs, six DMA channels, configurable logic cells (CLCs), and an 8-bit DAC with 32 reference levels. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripheral interfaces on one silicon die. The PIC18F family uses an enhanced RISC architecture with a 16-bit instruction word; it sits in the hierarchy of microcontroller -> 8-bit MCU -> PIC18 family -> PIC18-Q43 sub-family -> embedded controller, and is widely deployed in real-time control applications that demand deterministic interrupt response. Key features include 32 KB Flash, 2 KB RAM, 1 KB EEPROM, a 12-bit ADCC with up to 17 analog channels, three 16-bit PWMs supporting edge- and center-aligned modes, six DMA channels, four CLCs, a 5-bit DAC with selectable reference, multiple UART/SPI/I2C interfaces, and Core Independent Peripherals (CIPs) that offload tasks from the CPU. The device uses Microchip's eXtreme Low Power (XLP) technology with sleep currents in the nanoamp range and multiple power-managed operating modes. It supports 1.8V to 5.5V VDD operation across an industrial temperature range, making it suitable for both battery-powered and line-powered designs. Typical applications include capacitive touch user interfaces, LED lighting control, motor control with closed-loop feedback, IoT sensor nodes, home appliances, and USB-to-UART bridges when paired with the PIC18F25Q43's enhanced USART. When designing with this MCU, ensure the VDD decoupling network includes 100 nF and 10 µF capacitors placed within a few millimeters of the power pin, and verify MCLR behavior for in-circuit serial programming (ICSP) headers. This page synthesizes distributor pricing, drop-in alternatives within the PIC18 family, and practical design notes that go beyond what the manufacturer datasheet provides on its own.

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PIC18F25Q43-E/STX - 32KB Flash 8-bit MCU 64MHz 28-VQFN | Microchip
PIC18F25Q43-E/STX

PIC18F25Q43-E/STX - 32KB Flash 8-bit MCU 64MHz 28-VQFN | Microchip

The Microchip Technology PIC18F25Q43-E/STX is an 8-bit PIC18 RISC microcontroller from the PIC18-Q43 family, featuring 32 KB of FLASH program memory, 2 KB of SRAM, and 1024 bytes of data EEPROM in a 28-pin VQFN (4x4) package. It executes instructions at up to 64 MHz from an internal oscillator, providing the throughput needed for real-time control loops while maintaining the family's signature eXtreme Low-Power (XLP) energy profile. The "E" suffix denotes the Extended industrial temperature range (-40C to +125C), while "/STX" identifies the Tape-and-Reel VQFN-28 4x4 mm package. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic, low-cost embedded control rather than raw computational throughput. The PIC18 family uses an enhanced Harvard architecture with separate program and data buses, and the Q43 sub-family extends the PIC18 line with advanced Core Independent Peripherals (CIPs) that let hardware blocks - not software - handle timing-critical tasks. Microcontrollers belong to the broader category of embedded processors (microcontrollers -> microcontrollers -> processors -> semiconductors), and PIC18-Q43 specifically targets real-time control, sensor signal conditioning, and user-interface applications. Key features include six Direct Memory Access (DMA) controllers, three 16-bit dual PWMs producing six PWM outputs, a 12-bit Analog-to-Digital Converter with Computation (ADCC) supporting capacitive voltage divider (CVD) touch sensing, an 8-bit DAC, configurable logic cells (CLCs), multiple UART/SPI/I2C interfaces, vectored interrupts with selectable priority, and a programmable vector table base address. The ADCC automates averaging, filtering, oversampling and threshold detection, which offloads the CPU and reduces firmware complexity in sensor and motor-control designs. The architecture integrates CIPs and 32 KB self-programmable FLASH with 10,000 erase/write cycle endurance. Programmable BOR/POR, low-voltage detection and a windowed watchdog improve robustness in industrial environments, while idle and sleep current in the nanoampere range support battery-powered edge nodes. The CIP model is the family differentiator: designers route hardware events through CLCs, PWMs and ADCC to build state machines without writing interrupt service routines. Typical applications include BLDC and stepper motor control with field-oriented control (FOC), capacitive touch human-machine interfaces (HMI), LED lighting controllers, IoT sensor nodes, household appliances, and industrial process controllers. The combination of low-power modes, fast wake-up and on-chip touch support fits sealed-keypad and battery-backed designs equally well. When designing with the PIC18F25Q43-E/STX, use MPLAB X IDE with the XC8 compiler and the MPLAB Code Configurator (MCC) for CIP and pin mapping. Always place a 0.1 uF decoupling capacitor close to each VDD pin and a bulk cap on VDD/VSS, and route the exposed thermal pad (EP) to a contiguous ground pour for thermal relief. This page synthesizes distributor pricing, drop-in VQFN-28 alternatives from the same PIC18-Q43 family, design notes and the application reference designs found in the manufacturer datasheet - information not consolidated on any single distributor page.

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PIC18F25Q43-I/SO - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F25Q43-I/SO

PIC18F25Q43-I/SO - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25Q43-I/SO is an 8-bit PIC microcontroller from the PIC18-Q43 family, delivering 64 MHz CPU performance with 32 KB of Flash program memory in a 28-pin SOIC package. It features 2 KB SRAM, 1 KB EEPROM, a 12-bit Analog-to-Digital Converter with Computation (ADCC), three 16-bit Pulse-Width Modulators with new high-resolution capability, Core Independent Peripherals (CIPs) including CLCs, CWG, and configurable timers, plus a 6-channel DMA controller. The wide 1.8V to 5.5V operating voltage range, eXLP nanoWatt XLP technology, and up to 36 general-purpose I/O make it ideal for real-time control applications demanding deterministic hardware behaviour. A microcontroller (MCU) is a single-chip computer integrating a CPU, non-volatile program memory (Flash), working RAM, and configurable peripherals. Within the broader taxonomy of embedded semiconductors, an 8-bit MCU sits below 16-bit DSC and 32-bit ARM Cortex-M devices in computational throughput but excels at deterministic, low-power control loops. The PIC18-Q43 family is part of Microchip's 8-bit PIC product line, designed specifically for hardware-customizable control applications. The -I suffix denotes the industrial temperature grade (-40C to +85C). Key features include the 12-bit ADCC with automated Capacitive Voltage Divider (CVD) for advanced touch sensing, oversampling and threshold comparison, plus 16-bit PWM resolution ideal for digital power and lighting control. Hardware-based signal routing through CLCs (Configurable Logic Cells) allows designers to implement glue logic without software overhead. The integrated 8-bit DAC, three analog comparators, and 5-bit DAC complement the 12-bit ADC for mixed-signal designs. The architecture uses an enhanced mid-range PIC core with a modified Harvard structure, supporting up to 64 MHz operation (16 MIPS) and multiple oscillator options including high-precision internal FRC. The DMA controller offloads repetitive data moves, freeing the CPU for application logic. This combination makes the Q43 series well suited for applications where firmware complexity is rising but BOM cost pressure still favours 8-bit silicon. Typical applications include LED lighting controllers, capacitive touch user interfaces, sensor signal conditioning, battery-powered IoT nodes, motor control peripherals, and industrial automation modules. The SOIC-28 footprint is pin-compatible with legacy PIC18F25Kxx and PIC18F25xx devices, easing migration. For real-time control designs requiring deterministic timing with hardware customization, the Q43 series stands out in the 8-bit category. When designing with this device, validate that the target board's toolchain supports the Q43 family (MPLAB X IDE, MPLAB XC8 compiler). The device operates from 1.8V to 5.5V, but certain peripherals have narrower voltage ranges - consult the datasheet for VDDMIN constraints per module. Pin-compatible migration from PIC18F25K83 is supported with attention to peripheral mapping differences. This page synthesizes distributor pricing, drop-in pin-compatible alternatives within the PIC18-Q43 and PIC18F2x families, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F25Q43-I/SP - 32KB Flash 64MHz 8-bit MCU | Microchip
PIC18F25Q43-I/SP

PIC18F25Q43-I/SP - 32KB Flash 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F25Q43-I/SP is an 8-bit RISC microcontroller from the PIC18-Q43 family, featuring a 64MHz PIC18 CPU core, 32KB of FLASH program memory, 2KB of data RAM, and 1KB of EEPROM, all housed in a 28-pin SPDIP package. It operates across an industrial temperature range of -40C to +85C and supports a supply voltage range typical of PIC18F Q-series devices, with six DMA controllers that offload data movement from the CPU. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (FLASH for program code, SRAM for data, and in modern parts EEPROM or byte-programmable FLASH for non-volatile data), and a rich set of peripherals onto one die. The PIC18 family uses an 8-bit modified Harvard architecture with a 16-bit instruction word optimized for C code density, while the Q43 sub-family adds Core Independent Peripherals (CIPs) such as CLCs, 16-bit PWMs, ADCC, and DMA that execute without CPU intervention, dramatically reducing firmware complexity for real-time control loops. Key features of the PIC18F25Q43-I/SP include 64MHz maximum CPU clock (16 MIPS), six DMA channels, eight timers, three 16-bit dual PWMs (six PWM outputs total), two comparators, a 12-bit ADCC (Analog-to-Digital Converter with Computation), a 5-bit DAC, and a rich communication set of 2x SPI, 5x UART, and 1x I2C. The device also integrates a vectored interrupt controller with programmable priority and fixed three-cycle latency for deterministic real-time response. Technically, the Q43 architecture pairs the legacy PIC18 instruction set with modern CIP blocks and an interconnect fabric that lets peripherals trigger one another, enabling custom hardware state machines in silicon. This makes it suitable for both classic 8-bit embedded designs and modern IoT sensor-node applications that benefit from on-chip signal conditioning. Typical applications include IoT sensor nodes, motor control with FOC or trapezoidal commutation, LED lighting drivers, automotive body and comfort subsystems, industrial control, home appliances, and battery-powered wearables where eXtreme Low Power (XLP) modes extend operating life. When designing with this device, ensure the configuration bits are correctly programmed for oscillator selection, watchdog, and code protection. The Q43 family's pin remapping (PPS) requires careful peripheral-to-pin assignment to avoid conflicts on the limited 28-pin SPDIP footprint. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F25Q43-I/SS - 32KB Flash, 64MHz 8-Bit XLP MCU | Microchip
PIC18F25Q43-I/SS

PIC18F25Q43-I/SS - 32KB Flash, 64MHz 8-Bit XLP MCU | Microchip

The Microchip PIC18F25Q43-I/SS is a 32KB Flash, 2KB RAM 8-bit PIC18 microcontroller built on the XLP (eXtreme Low Power) platform, housed in a 28-pin SSOP package. It runs at up to 64 MHz, integrates a 12-bit ADCC (Analog-to-Digital Converter with Computation), three 16-bit dual PWMs (six PWM outputs), six DMA channels, an 8-bit DAC, comparators, and a functional-safety (FuSa) capable core that targets IEC 61508 SIL-2/3 designs. Operating voltage spans 1.8V to 5.5V from a single supply, with the -I/SS suffix denoting the industrial temperature grade (-40C to +85C). The 8-bit microcontroller (MCU) is a programmable system-on-chip that combines a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals. Within the broader product taxonomy the PIC18F25Q43 belongs to: 8-bit MCU -> microcontroller -> microcomputer -> embedded system IC -> semiconductor. PIC18 devices use an enhanced Harvard RISC instruction set with 16-bit opcodes that are interpreted from internal Flash, allowing linear program addressing and a small but powerful instruction footprint of 75 base instructions plus a hardware multiply and 8x8 hardware divide. Key feature highlights include 32KB self-programmable Flash with a read-while-write partition block, 2KB SRAM and 1KB EEPROM, Core Independent Peripherals (CIPs) such as CLC (Configurable Logic Cell), NCO (Numerically Controlled Oscillator), CWG (Complementary Waveform Generator), and a 12-bit differential ADCC with automated CVD (Capacitive Voltage Divider) for touch-sensing front-ends. The 12-bit ADCC can oversample, average, filter, and threshold-compare in hardware without CPU intervention - ideal for deterministic sensor acquisition. Architecturally, this part uses an enhanced PIC18 RISC core coupled with a peripheral interconnect matrix that allows DMA-driven data movement between the ADCC, DAC, comparators and PWM/DMA/CWG/CLC blocks. The XLP nanoWatt technology provides sleep currents down to a few hundred nanoamperes with full RAM retention, supporting battery-powered designs that wake periodically to make a measurement and return to sleep. Six independent DMA controllers can move data between peripherals and memory without CPU cycles, freeing the core for application logic. Typical applications include touch-interface front-ends using CVD, motor-control sub-systems using the three 16-bit PWMs, LED lighting controllers, sensor hubs, low-power IoT nodes, functional-safety sensor loops, and home appliances. The wide 1.8V to 5.5V supply range and 8-bit DAC make it a strong fit for mixed-signal nodes that previously required an external DAC. When designing with the PIC18F25Q43-I/SS, isolate the analog supply (AVDD/AVSS) and place the recommended 0.1uF plus a bulk 1uF-10uF decoupling pair within 5 mm of the supply pins. Always configure the PPS (Peripheral Pin Select) remapping before enabling peripherals, and observe the Flash write endurance (typically 10k cycles minimum on the Flash array and 100k on EEPROM). This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F25Q43-I/STX - 32KB Flash 8-bit MCU 64MHz VQFN | XLP
PIC18F25Q43-I/STX

PIC18F25Q43-I/STX - 32KB Flash 8-bit MCU 64MHz VQFN | XLP

The Microchip Technology PIC18F25Q43-I/STX is an 8-bit PIC18 microcontroller with 32KB Flash, 2KB RAM, and a 64MHz CPU, housed in a 28-pin VQFN (4x4 mm) package. It features a 12-bit ADC with Computation (ADCC), three 16-bit dual PWMs with six outputs, six DMA controllers, and a Vectored Interrupt controller with fixed three-cycle latency. The -I temperature grade denotes -40C to +85C industrial operating range. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash for code, SRAM for data), and programmable peripherals. The PIC18F-Q43 family sits in the 8-bit MCU tier of Microchip's portfolio, between the baseline PIC10/12/16 families and the 16-bit dsPIC/PIC24 families, optimized for real-time control with low power via XLP technology. Key features of the PIC18F25Q43 include 32KB self-programmable Flash with device ID area, 2KB SRAM, Configurable Logic Cells (CLCs), Complementary Waveform Generator (CWG), 8-bit DAC reference outputs, multiple serial interfaces (UART/SPI/I2C), and Core Independent Peripherals (CIPs) that operate without code overhead. The 12-bit ADCC supports automated Capacitive Voltage Divider (CVD) for touch sensing, averaging, oversampling, and threshold comparison. The device uses an enhanced mid-range 8-bit Harvard architecture with a 16-bit instruction word and a 31-level hardware stack, enabling deterministic interrupt response and efficient C code generation via MPLAB XC8. Six DMA channels move data between peripherals and memory without CPU intervention, freeing cycles for application logic in real-time control loops. Typical applications include LED lighting and smart-lamp controls, capacitive touch user interfaces, BLDC motor control with sensorless algorithms, digital power conversion (DC-DC, PFC), home appliance control boards, and USB-C Power Delivery (PD) controllers. The combination of CLCs, PWMs, and ADCC enables many control functions in hardware with minimal firmware. When designing with this part, ensure the supply voltage stays within 1.8V to 5.5V and provide bulk decoupling on VDD plus a 0.1uF ceramic on each VDD pin. For capacitive touch, follow the CVD layout guidelines in the datasheet to minimize noise coupling, and reserve one PWM and one CLC for timer-based housekeeping. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes beyond the manufacturer datasheet to accelerate PIC18F25Q43-I/STX evaluation and sourcing.

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PIC18F25Q43T-I/SO - 32KB Flash 8-bit MCU 64MHz 28-SOIC | Microchip
PIC18F25Q43T-I/SO

PIC18F25Q43T-I/SO - 32KB Flash 8-bit MCU 64MHz 28-SOIC | Microchip

The Microchip Technology PIC18F25Q43T-I/SO is an 8-bit PIC microcontroller in the PIC18-Q43 family, offering 32 KB of Flash program memory, 2 KB of SRAM and 256 bytes of EEPROM in a 28-pin SOIC wide-body package. It runs at up to 64 MHz, supports 1.8 V to 5.5 V operation, and is qualified for the industrial -40C to +85C temperature range. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) microcontroller is a small, low-cost computer-on-a-chip that integrates a CPU core, non-volatile Flash memory, RAM, EEPROM, and a rich set of peripherals (ADC, PWM, UART, I2C, SPI, timers) on a single silicon die. PIC microcontrollers sit within the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC, and are widely used wherever deterministic, low-power control is required. Key features of the PIC18F25Q43 include a 12-bit Analog-to-Digital Converter with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) touch sensing, a 16-bit dual-output PWM module, six DMA controllers, three 16-bit timers, vectored interrupts with programmable priority, and Microchip's Core Independent Peripherals (CIPs) such as CLC, NCO, ZCD and PPS that allow hardware customization without CPU intervention. The eXtreme Low Power (XLP) technology delivers nanoWatt sleep currents, making the device suited to battery-powered applications. The architecture combines a RISC-style 8-bit CPU with a 16-bit instruction path, programmable peripheral pin select (PPS), and a wide tolerance for oscillator options including internal 64 MHz HFINTOSC. DMA channels move data between peripherals and memory without CPU load, while the ADCC automates averaging, oversampling and threshold comparison for advanced sensor front-ends. Typical applications include capacitive touch user interfaces, sensor node platforms, low-power IoT edge nodes, BLDC/PMSM motor control with the 16-bit PWM, LED lighting controllers, and industrial 5 V control boards. The wide 1.8 V to 5.5 V supply range lets the same firmware run from single-cell Li-ion through USB and 5 V industrial rails. When designing with this MCU, keep VDD decoupling within 1 cm of the supply pins, observe the 28-SOIC thermal envelope (theta-JA roughly 70 C/W) for high-current GPIO loads, and use the PPS feature to remap peripherals to any I/O pin. For automotive projects the PIC18F25Q43T-I/SO is industrial-grade only; the AEC-Q100 qualified variant is a separate part number. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18F25Q43 family, and practical design notes that go beyond what the manufacturer datasheet provides.

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PIC18F25Q43T-I/STX - 64MHz 8-bit MCU 32KB Flash | Microchip
PIC18F25Q43T-I/STX

PIC18F25Q43T-I/STX - 64MHz 8-bit MCU 32KB Flash | Microchip

The Microchip Technology PIC18F25Q43T-I/STX is an 8-bit PIC microcontroller running at 64 MHz, integrating 32 KB Flash, 2 KB SRAM, and 256 bytes of EEPROM in a 28-pin VQFN (4x4) surface-mount package with tape-and-reel packaging. It belongs to the PIC18-Q43 family of low-power, high-performance microcontrollers aimed at real-time control applications, and is rated for the industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of peripherals. The PIC18 family uses an enhanced 8-bit Harvard RISC architecture with a 16-bit instruction word, while the Q43 sub-family layers modern Core Independent Peripherals (CIPs) on top of the classic PIC18 core. Within the broader taxonomy, the PIC18F25Q43 belongs to: microcontroller -> 8-bit MCU -> PIC18 -> PIC18F Q-series -> PIC18-Q43. Key differentiating features include a 12-bit Analog-to-Digital Converter with Computation (ADCC) that automates Capacitive Voltage Divider (CVD) sensing, averaging, oversampling and threshold detection; three 16-bit Pulse-Width Modulation (PWM) peripherals; six channels of DMA; a built-in 8-bit DAC; and high-performance comparators. The XLP (eXtreme Low Power) technology and multiple low-power sleep modes enable deep-current standby for battery-operated products. Technically, the device pairs a hardware multiplier and C compiler-optimized architecture with deterministic interrupt response, hardware-acceleration blocks (CRC, zero-cross detection, signal measurement timer), and a peripheral pin select (PPS) engine that lets designers remap digital peripherals onto most I/O pins. The 28-VQFN 4x4 mm footprint exposes up to 25 GPIO and is well suited to dense analog-plus-digital mixed-signal boards. Typical applications include capacitive touch user interfaces, sensor signal conditioning with on-chip ADCC, motor and lighting PWM control, low-power IoT sensor nodes, and compact industrial control boards. The combination of touch, ADC and PWM makes it a strong fit for human-machine interface front-ends. A primary design consideration is firmware migration: the PIC18-Q43 introduces the new ADCC and revised interrupt controller, so legacy PIC18 K-series code should be re-validated against the Q43 silicon errata before reuse. Designers should also verify PPS remappings against the chosen I/O assignments in MPLAB X. This page synthesizes distributor pricing, drop-in alternatives, and application guidance not available in the manufacturer datasheet, including parametric comparison against the most common PIC18 Q/K drop-in parts in the same 28-VQFN footprint.

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PIC18F2610-E/SO - 8-bit MCU 64KB Flash 28-SOIC | Microchip
PIC18F2610-E/SO

PIC18F2610-E/SO - 8-bit MCU 64KB Flash 28-SOIC | Microchip

The Microchip Technology PIC18F2610-E/SO is a high-performance 8-bit PIC microcontroller based on the enhanced PIC18 instruction set, featuring 64 KB of Flash program memory and 3968 bytes of SRAM in a 28-pin SOIC package. Operating at up to 25 MHz (40 MHz oscillator input divided by 4) with a 4.2 V to 5.5 V supply, this device delivers up to 10 MIPS performance and provides 25 digital I/O pins plus a 10-bit ADC with up to 25 channels. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC18 family specifically represents Microchip's high-performance 8-bit line, bridging traditional 8-bit simplicity with architectural enhancements such as a 16-bit wide instruction path, hardware multiplier, and C-optimized compiler support. Within Microchip's portfolio, PIC18 sits above the baseline PIC10/12/16 families and below the 16-bit PIC24/dsPIC families. Key features include 64 KB self-programmable Flash with EEPROM emulation, 3968 bytes SRAM, 1 KB EEPROM, a 10-bit A/D converter with up to 25 input channels, two analog comparators, two USART modules, MSSP (SPI/I2C), one 8/16-bit timer and three 16-bit timers, 10 PWM channels, nanoWatt power management, and in-circuit serial programming (ICSP) plus ICD debugging. The wide 4.2 V to 5.5 V supply range simplifies integration with 5 V analog and digital systems. The PIC18F2610 uses a Harvard architecture with separate program and data buses, a 16-bit instruction word, and a 10 MIPS peak throughput. The nanoWatt features (idle, sleep, and oscillator switching modes) reduce quiescent current for battery-aware designs, while the self-programmable Flash supports bootloader-style firmware updates in the field. Typical applications include industrial control panels, sensor signal conditioning, motor control PWM drivers, USB-HID/CDC peripherals (paired with the PIC18F2550/4550 family), instrumentation front ends, and embedded consumer products. The 25 MHz performance and 25 I/O pins are well matched to medium-complexity control tasks. When designing with this device, select the industrial (-40C to +85C) PIC18F2610-I/SO or extended (-40C to +125C) PIC18F2610-E/SO grade according to environmental requirements, and use the MPLAB XC8 compiler plus MPLAB PICkit 5 or ICD 4 for programming and debug. The E/SO suffix indicates the extended-temperature grade and 28-pin SOIC package. This page synthesizes distributor pricing, drop-in same-brand alternatives, application examples, and design notes to give engineers a faster decision path than the bare manufacturer datasheet.

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PIC18F2610-E/SP - 8-bit PIC MCU, 64KB Flash, 20MHz, 28-SPDIP | Microchip
PIC18F2610-E/SP

PIC18F2610-E/SP - 8-bit PIC MCU, 64KB Flash, 20MHz, 28-SPDIP | Microchip

The Microchip PIC18F2610-E/SP is an 8-bit PIC18 RISC microcontroller featuring 64 KB of Flash program memory, 20 MHz maximum clock speed, and a 5 V supply voltage range (4.2 V to 5.5 V) in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The '-E' suffix indicates the Extended operating temperature grade (-40C to +125C), while '/SP' designates the 28-pin SPDIP tube packaging. The device offers 25 I/O ports and integrates high-current sink/source capability of 25 mA/25 mA per pin, making it suitable for direct drive of LEDs, opto-couplers, and small relays. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals. The PIC18 family uses an enhanced RISC architecture with a 16-bit instruction word and 8-bit data path, optimized for deterministic real-time control. Microcontrollers sit at the top of embedded hierarchies - within a system they replace discrete logic, supervise sensors, and execute application firmware. The PIC18F2610 belongs to Microchip's mid-range PIC18 product line, offering the best price/performance ratio in the industry for Flash-based 8-bit MCUs. Key features of the PIC18F2610 include nanoWatt Technology for power-managed operation, an integrated 10-bit Analog-to-Digital Converter (ADC), up to 2 Capture/Compare/PWM (CCP) modules on 28-pin variants, a Master Synchronous Serial Port (MSSP) supporting SPI (all four modes) and I2C, plus enhanced USART for asynchronous and synchronous serial communication. The architecture supports hardware multiplier and a 32 kHz secondary oscillator for low-power Real-Time Clock (RTC) operation. The PIC18F2610 is built on an enhanced Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and data access. Its 16-bit instructions and 8-bit data path provide efficient code density for C and assembly, while the deterministic instruction timing simplifies real-time scheduling. nanoWatt Technology adds multiple idle and sleep modes (Idle, Sleep, and multiple low-power RC oscillator modes) that reduce quiescent current to microamp levels. Typical applications include industrial control, sensor interfacing, motor control, low-power embedded instrumentation, and consumer appliances. With 64 KB Flash and 25 I/O lines, the PIC18F2610 fits mid-complexity firmware workloads needing precise timing and robust peripheral integration. When designing with this MCU, ensure the VDD/VSS decoupling network places 100 nF ceramic capacitors as close as possible to each power pin, and reserve a 10 uF bulk capacitor on the main supply rail. Configure the configuration bits (fuses) carefully during programming - an incorrect oscillator or watchdog setting is the leading cause of 'dead' PIC18 boards on first power-up. This page synthesizes distributor stock data, drop-in PIC18 family alternatives, and practical design notes not found in the manufacturer datasheet, enabling faster sourcing decisions for 8-bit embedded designs.

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PIC18F2610-I/SO - 8-bit MCU 64KB Flash 25 I/O | Microchip
PIC18F2610-I/SO

PIC18F2610-I/SO - 8-bit MCU 64KB Flash 25 I/O | Microchip

The Microchip Technology PIC18F2610-I/SO is an 8-bit PIC® flash microcontroller (MCU) with 64 KB of program memory, 3,968 bytes of RAM, and 25 digital I/O pins, housed in a 28-pin SOIC wide-body package. It integrates a 10-bit multi-channel analog-to-digital converter (ADC), nanoWatt power management, and a peripheral set that includes enhanced CCP, USART, MSSP (SPI/I2C), and dual comparators. The CPU delivers up to 10 MIPS at 40 MHz and supports an internal oscillator from 31 kHz to 8 MHz. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash), data memory (RAM), and peripherals on one die. The PIC18 family belongs to the broader class of reduced instruction set computing (RISC) microcontrollers, sits within the 8-bit MCU segment, and falls under the wider umbrella of embedded microcontrollers and semiconductors. nanoWatt Technology adds aggressive power-saving modes (idle, sleep, and clock switching) so the part suits battery-powered designs running at 2.0 V to 5.5 V. Key features include 64 KB flash program memory organized as 32K x 16 words, 3,968 bytes of RAM, 1,024 bytes of EEPROM, an internal 8 MHz oscillator with software-selectable calibration, and a fail-safe clock monitor that shuts the system down safely if the clock source fails. The 10-bit ADC provides up to 25 analog input channels with auto-acquisition, supporting single-ended and differential conversions for sensor signal chains. Programmable low-voltage detect (LVD) and a watchdog timer with its own RC oscillator reinforce system reliability. The architecture uses a Harvard RISC core with a hardware 8x8 single-cycle multiplier, C-compiler-optimized instruction set, and dual oscillator pins for high-frequency crystal and 32.768 kHz time-base operation. The combination of internal oscillator, programmable LVD, and self-programming flash lets designers implement field-upgradeable firmware with no external components. The 25 I/O ports are 5 V tolerant and individually configurable for digital I/O or peripheral functions. Typical applications include industrial sensor signal conditioning, building automation nodes, USB-to-UART bridges, motor-control user interfaces, white-goods control boards, low-power remote controls, and general-purpose embedded logic replacement. The ADC-rich pinout suits temperature, pressure, and humidity sensing, while the PWM/CCP channels drive brushed DC or stepper motor stages in white-goods and small appliances. When designing with this part, place decoupling capacitors (0.1 µF and 10 µF) within 5 mm of VDD/VSS and reserve an MCLR pull-up. The internal oscillator eliminates one crystal, but designers who need accurate USB or RS-485 timing should still attach a high-frequency crystal to OSC1/OSC2. Be mindful that the 28-SOIC package dissipates roughly 800 mW at full CPU load, so lightly copper-poured ground fills are recommended.

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PIC18F2610-I/SP - 8-bit MCU, 64KB Flash, 25 I/O, 28-SPDIP | Microchip
PIC18F2610-I/SP

PIC18F2610-I/SP - 8-bit MCU, 64KB Flash, 25 I/O, 28-SPDIP | Microchip

The Microchip Technology PIC18F2610-I/SP is an 8-bit PIC18 microcontroller delivering up to 10 MIPS performance from a C compiler-optimized RISC architecture, housed in a 28-pin SPDIP (SP) through-hole package. It integrates 64 KB of Flash program memory, 3968 bytes of RAM, and 25 digital I/O pins suitable for embedded control designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals on one die. The PIC18 family is Microchip's high-end 8-bit line, with a Harvard architecture that separates program and data buses for predictable instruction throughput. The PIC18F2610 sits in the 'F' (Flash) sub-family of PIC18 devices, which means programs can be erased and rewritten in-circuit via ICSP, making it suitable for prototypes and field-upgradable products. Key features of the PIC18F2610 include an internal oscillator block selectable from 31 kHz to 8 MHz, a hardware 8x8 single-cycle multiplier, a Fail-Safe Clock Monitor that can shut the system down safely if the primary clock is lost, and a separate Watchdog Timer with its own RC oscillator. The part is rated for 4.2 V to 5.5 V supply and an industrial temperature range of -40 C to +85 C. Together these peripherals target robust, long-life embedded designs where field reliability matters more than raw compute. Typical applications for the PIC18F2610-I/SP include industrial sensor conditioning, low-speed motor control loops, LCD or LED display drivers, and USB-free human-interface panels. The 25 I/O and 10 PWM channels cover most cost-sensitive motor-driver boards, while the Fail-Safe Clock Monitor and Watchdog Timer suit unattended remote monitoring nodes where a clock failure must not lock up the system. When laying out a board around the PIC18F2610-I/SP, ensure that the ICSP/PGD/PGC pins remain accessible for in-circuit programming and that the supply rail includes a 100 nF decoupling capacitor within 5 mm of VDD. For designs needing more code space, the related PIC18F2620/2620-I/SP doubles Flash to 64 KB and adds CAN, while keeping the same 28-SPDIP pinout, providing a pin-compatible upgrade path without PCB rework.

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PIC18F2610T-I/SO - 8-Bit MCU, 64KB Flash, 40MHz, 28-SOIC | Microchip
PIC18F2610T-I/SO

PIC18F2610T-I/SO - 8-Bit MCU, 64KB Flash, 40MHz, 28-SOIC | Microchip

The Microchip Technology PIC18F2610T-I/SO is an 8-bit PIC18 microcontroller featuring 64 KB of Flash program memory, 3.8 KB of RAM, and a maximum core clock speed of 40 MHz, housed in a 28-pin SOIC package. The device operates from 4.2 V to 5.5 V and integrates a 10-bit analog-to-digital converter (A/D), making it well suited for mixed-signal embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and multiple peripherals on a single silicon die. The PIC18 family belongs to the broader 8-bit MCU category, occupying the lower tier of the embedded processing hierarchy: microcontroller -> microprocessor -> semiconductor device. Its strength is real-time deterministic control with low power consumption (nanoWatt Technology), trading raw compute throughput for predictable interrupt response and rich peripheral integration. Key differentiating specifications of the PIC18F2610T-I/SO include 25 digital I/O pins, hardware USART, MSSP (SPI/I2C), and enhanced flash program memory (32K x 16 organization). The integrated 10-bit A/D converter, capture/compare PWM modules, and nanoWatt power management make this part adaptable to a wide range of cost-sensitive industrial, consumer, and automotive subsystems. Architecturally the PIC18F2610T-I/SO leverages an enhanced Harvard architecture with a 16-bit instruction word (vs the 14-bit PIC16 baseline), allowing 32K instruction words of addressing per 64 KB of flash and a linear program counter space. The RISC-style instruction set delivers most instructions in one instruction cycle (4 oscillator clocks at 40 MHz = 100 ns), supporting tight timing loops without an external DSP or ARM-class core. Typical applications include industrial sensor conditioning, building automation controllers, low-end consumer appliances, automotive body and lighting modules, USB-less embedded human-machine interfaces, and small motor-control loops. The 28-SOIC footprint, broad industrial temperature range (-40C to +85C for the I-suffix), and stable supply make it a drop-in for designs already laid out around PIC18F mid-range pinouts. When designing with this MCU, provide a stable 5 V rail and decouple VDD/AVDD/VSS with 100 nF + 10 uF ceramic capacitors placed close to the package pins. ISP via ICSP requires the PGC/PGD lines to be reserved in the schematic even if unused in production - retro-fitting an in-system programming connector later forces a board revision. This page synthesizes distributor pricing snapshots from DigiKey and Mouser, cross-brand drop-in alternatives, ICSP/HITECH programming notes, and practical design considerations not consolidated in the manufacturer's datasheet itself.

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PIC18F2620-E/SO - 8-Bit MCU 25MHz 64KB Flash 28-SOIC | Microchip
PIC18F2620-E/SO

PIC18F2620-E/SO - 8-Bit MCU 25MHz 64KB Flash 28-SOIC | Microchip

The Microchip Technology PIC18F2620-E/SO is an 8-bit PIC18F-family microcontroller running at up to 25MHz (10 MIPS), integrating 64KB of Enhanced Flash program memory and 3,968 bytes of RAM in a 28-pin SOIC wide-body package. It supports 25 general-purpose I/O pins, includes an internal oscillator (31 kHz to 8 MHz with PLL-derived system clock), and operates from 4.2V to 5.5V. Key features include 10 MIPS performance from a C-compiler-optimized RISC architecture, single-cycle 8x8 hardware multiplier, Fail-Safe Clock Monitor for safe shutdown on clock failure, and a separate-oscillator Watchdog Timer for robust field operation. The PIC18F2620 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance and power-sensitive applications. NanoWatt power management, Enhanced Capture/Compare/PWM (ECCP) modules, and a 10-bit ADC round out the peripheral set. What is a PIC18F microcontroller? The PIC18F is Microchip's enhanced 8-bit Harvard-architecture RISC MCU family - a microcontroller is a single-chip computer integrating CPU, memory, and peripherals. PIC18F -> PIC18 family -> PIC microcontrollers -> 8-bit MCU -> microcontroller -> embedded IC. This taxonomy positions the part at the high end of the 8-bit performance range, between baseline PIC16 parts and the 16-bit dsPIC/PIC24 line. Typical applications include industrial control nodes, sensor conditioning with on-chip ADC, USB-less (pre-PIC18F2550 family) embedded control, white-goods motor control via ECCP, and battery-backed instrumentation where nanoWatt modes extend runtime. The -E suffix denotes the -40C to +125C extended operating-temperature range suitable for industrial and outdoor environments. When designing with this device, place a 0.1 uF decoupling capacitor within 5 mm of each power pin (VDD/VSS pairs) and use a 10 uF bulk capacitor near the IC. Configure the MCLR pin with the recommended 10 kohm pull-up to VDD to avoid spurious resets during power-up. The internal 8 MHz oscillator trims via OSCCON registers and the PLL can multiply the internal clock, allowing BOM savings versus an external crystal.

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PIC18F2620-E/SP - 8-Bit 25MHz 64KB Flash MCU | Microchip 28-SPDIP
PIC18F2620-E/SP

PIC18F2620-E/SP - 8-Bit 25MHz 64KB Flash MCU | Microchip 28-SPDIP

The Microchip Technology PIC18F2620-E/SP is an 8-bit PIC18F-family microcontroller featuring 64KB (32K x 16) of Flash program memory, 3,968 bytes of RAM, and 256 bytes of EEPROM, running at up to 25 MHz (10 MIPS) in a 28-pin SPDIP (SP) through-hole package. The -E suffix designates the Extended industrial temperature grade of -40C to +125C, making this part suitable for harsh-environment embedded designs. A PIC microcontroller (MCU) is a compact programmable processor that integrates CPU core, Flash program memory, RAM, EEPROM, peripherals, and interrupt logic on a single silicon die. Within the Microchip taxonomy, the PIC18F2620 sits in the enhanced mid-range PIC18 family (8-bit RISC architecture with C-compiler-friendly instruction set), which itself is a sub-family of the broader PIC microcontroller hierarchy: PIC microcontroller -> 8-bit MCU -> embedded MCU -> microcontroller -> semiconductor IC. Key features of the PIC18F2620 include ten 10-bit Analog-to-Digital Converter (ADC) channels, a 10 MIPS execution rate, an 8x8 single-cycle hardware multiplier, an internal oscillator block (31 kHz to 8 MHz) with PLL, a Fail-Safe Clock Monitor, and a Watchdog Timer with its own dedicated RC oscillator. The 25 bidirectional I/O pins support capacitive touch via the mTouch sensing solution, and the device includes multiple serial peripherals: Enhanced USART, MSSP (I2C/SPI), and up to two CCP/ECCP modules. NanoWatt power management offers Idle, Sleep, and several low-power modes for battery-friendly designs. Architecturally, the PIC18F2620 uses a Harvard-class RISC core with 16-bit opcodes and 8-bit data path, dual-pointer stack with hardware context save, and a unified 16-bit instruction word that speeds single-cycle execution and simplifies C code generation. The integrated band-gap reference and self-programmable Flash support field firmware updates via ICSP, while the 256-byte EEPROM provides non-volatile parameter storage. Typical applications include industrial automation controllers, automotive body/comfort ECUs, HVAC controls, medical patient-monitoring peripherals, low-cost sensor hubs, USB/serial bridges (when paired with the PIC18F2550 in the family), smart energy meters, and consumer appliances. The wide temperature range also enables outdoor signage, white-goods control boards, and instrumentation front-ends. Design tip: the SPDIP package is preferred for breadboarding and legacy through-hole boards, but surface-mount variants (PIC18F2620-I/SO and PIC18F2620-I/SS) share the same pinout if you need to migrate to SMT. Always reserve a 6-pin ICSP header (PGD/PGC/MCLR/VSS/VDD/VPP) for in-circuit programming. This page synthesizes distributor pricing for the PIC18F2620-E/SP, drop-in same-package alternatives, application examples, and design guidance not aggregated in the manufacturer datasheet alone.

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PIC18F2620-I/SO - 8-Bit 40MHz 64KB Flash MCU | Microchip
PIC18F2620-I/SO

PIC18F2620-I/SO - 8-Bit 40MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F2620-I/SO is an 8-bit PIC18 enhanced flash microcontroller delivering up to 10 MIPS performance from a 40 MHz internal oscillator, packaged in a 28-pin SOIC (SO) wide-body IC package with 64KB (32K x 16 words) of self-programmable Flash program memory, 3968 bytes of SRAM, and 256 bytes of EEPROM. According to the Microchip PIC18F2525/2620/4525/4620 datasheet, this industrial-temperature (-40C to +85C) device integrates 25 digital I/O pins, a 10-bit ADC with up to 10 input channels, two analog comparators, two 8-bit timers, three 16-bit timers, a 16-bit capture input, two CCP modules, an enhanced USART with LIN/J2602 support, MSSP supporting SPI and I2C (master/slave), and a parallel slave port. What is a PIC18 microcontroller? A PIC18 microcontroller (MCU) belongs to Microchip's 8-bit RISC architecture family, a category of Harvard-architecture microcontrollers that combine a C compiler-optimized instruction set, single-cycle hardware 8x8 multiplier, and on-chip nanoWatt power management for high-performance embedded control. PIC18 sits within the hierarchy: 8-bit MCU -> PIC microcontroller -> PIC18 family -> PIC18F2x20 sub-family. The nanoWatt technology grants multiple power-managed modes (Run, Idle, Sleep, and deep Sleep with RTCC), making these MCUs the conventional choice for both high-performance and power-sensitive applications. Key features include hardware-multiplier-accelerated C-compiler-friendly architecture, internal oscillator support from 31 kHz to 8 MHz with Fail-Safe Clock Monitor (FSCM), a Watchdog Timer with separate RC oscillator, and on-chip In-Circuit Serial Programming (ICSP) via two pins. The 28-SOIC wide-body footprint gives this part a generous thermal envelope for industrial enclosures where 0.1" pitch DIP is too large but 28-SSOP/TSSOP would be too small. Typical applications include industrial control and sensor conditioning nodes, low-cost consumer appliance controllers, automotive body and comfort modules (LIN/J2602 slaves), USB-to-UART bridge firmware, and battery-powered measurement instruments that benefit from nanoWatt sleep states. When designing, note that the 'I' suffix denotes the industrial temperature grade and 'SO' denotes the wide-body 28-pin SOIC; matching the exact designator is essential when ordering from Microchip authorized distributors.

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PIC18F2620-I/SP - 8-Bit MCU, 64KB Flash, 40MHz, 28-SPDIP | Microchip
PIC18F2620-I/SP

PIC18F2620-I/SP - 8-Bit MCU, 64KB Flash, 40MHz, 28-SPDIP | Microchip

The Microchip Technology PIC18F2620-I/SP is an 8-bit PIC18 microcontroller built on an enhanced RISC architecture, delivering up to 10 MIPS performance at 40 MHz, with 64 KB of Flash program memory and 3968 bytes of SRAM, housed in a 28-pin SPDIP (SP) through-hole package. The part operates from 4.2V to 5.5V and integrates a 10-bit analog-to-digital converter, an enhanced USART, an SPI port, an I2C module, and nanoWatt Technology for power-managed applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, communication interfaces, and ADCs into a single package. Within the broader taxonomy, an MCU belongs to the microprocessor family -> microcontroller -> 8-bit MCU -> PIC18 family -> PIC18F2x20 sub-family. The PIC18 core is a C-compiler-optimized RISC engine with a single-cycle hardware multiplier and 8x8 hardware multiplier, enabling deterministic instruction execution useful for real-time control loops. Key features of the PIC18F2620-I/SP include 25 I/O pins, an internal oscillator block supporting 31 kHz to 8 MHz, a Fail-Safe Clock Monitor that allows safe shutdown if the external clock fails, a watchdog timer with its own RC oscillator, and nanoWatt Technology power modes for battery-friendly designs. The 10-bit ADC with up to 10 input channels provides adequate resolution for sensor interfacing, while the ECCP module supports PWM and capture/compare functions for motor-control and lighting applications. Performance analysis: the PIC18F2620 executes most instructions in one cycle (4 oscillator cycles per instruction), yielding 10 MIPS at the 40 MHz maximum clock. This places the PIC18F2620 between the older PIC16 mid-range MCUs (5 MIPS) and the PIC24/dsPIC 16-bit MCUs (up to 40 MIPS), making it well suited for moderate-throughput industrial control. The internal oscillator eliminates external crystal components in cost-sensitive designs, while the Fail-Safe Clock Monitor preserves system integrity during clock-source failures. Typical applications include industrial control and embedded automation, motor control (BLDC, stepper, and small DC drives), metering and measurement devices, IoT edge nodes, low-power remote sensor boards, and consumer-electronic user-interface panels. The through-hole 28-SPDIP package simplifies breadboard-based prototyping and field-serviceable designs. Key design tip: when migrating firmware between PIC18F2620 and PIC18F2525, note that the 2620 variant doubles program Flash and adds peripheral features; verify register maps in the Microchip datasheet family reference manual before porting code. Always place a 100 nF decoupling capacitor within 5 mm of VDD with a short ground return. This page synthesizes live distributor pricing, drop-in pin-compatible PIC18 alternatives, and practical application notes specifically compiled for engineers evaluating the PIC18F2620-I/SP for new designs or migration from the legacy PIC18F2525/4525/4620 family.

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PIC18F2620T-I/SO - 8-Bit 40MHz 64KB Flash MCU 28-SOIC | Microchip
PIC18F2620T-I/SO

PIC18F2620T-I/SO - 8-Bit 40MHz 64KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F2620T-I/SO is an 8-bit PIC18F-family microcontroller delivering 40 MHz CPU performance with 64 KB (32K x 16) of on-chip Flash program memory in a 28-pin wide-body SOIC package. The 'T' suffix denotes Tape & Reel packaging, and the 'I' suffix indicates the Industrial temperature grade (-40C to +85C). It is part of Microchip's enhanced PIC18 family, which introduces design enhancements aimed at high-performance and power-sensitive applications. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates an 8-bit CPU, program memory (Flash), data memory (RAM and EEPROM), and a rich set of peripheral modules into a single IC. Within the broader semiconductor taxonomy, an MCU belongs to microcontrollers -> microprocessors and controllers -> digital logic ICs -> integrated circuits. The PIC18 architecture implements an enhanced RISC instruction set with 16-bit opcodes, a hardware multiplier, and linear (non-paged) program memory addressing up to 2 MB - significantly more capable than baseline PIC16 devices while retaining the simplicity of the PIC ecosystem. The PIC18F2620 features 3,968 bytes of RAM, 1,024 bytes of EEPROM, 25 digital I/O pins, and a 10-bit ADC with up to 12 channels. It supports a wide supply range of 4.2 V to 5.5 V (with extended 2.0 V operation under specific conditions), making it compatible with 5 V system designs. Communication peripherals include one USB 2.0 (full-speed, low-speed) interface, one SPI, one I2C, and one enhanced USART module. The nanoWatt Technology power-management suite provides multiple idle and sleep modes for low-power applications. The device also includes a 4x hardware PLL for higher clock frequencies and a self-programmable Flash architecture for bootloader-style in-field updates. Architecturally, the PIC18F2620 uses a Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and operand access - this is the foundation of its single-cycle instruction throughput at 10 MIPS peak. Its 40 MHz oscillator, when multiplied by the internal 4x PLL, can yield an effective 96 MHz instruction clock for high-throughput signal processing tasks. The enhanced 16-level-deep hardware return stack supports deeply nested subroutine calls without software intervention, while the C compiler-friendly architecture simplifies firmware porting from other platforms. Typical applications include USB peripherals, industrial control panels, sensor conditioning front-ends, low-speed data loggers, white goods and appliance control, HVAC controls, automotive body and chassis subsystems (using other automotive-graded variants), and educational embedded platforms where 5 V-tolerant GPIO and a familiar PIC toolchain are preferred. Its combination of USB, ADC, PWM and serial interfaces makes it well-suited as a general-purpose I/O and connectivity hub. When designing with this MCU, ensure the supply voltage stays within 4.2 V to 5.5 V for the full 40 MHz operation; brown-out reset (BOR) thresholds should be configured to match the system rail. Adequate decoupling (100 nF + 10 uF) close to the VDD/VSS pins is recommended to suppress switching noise. The 'T' suffix packaging variant is intended for high-volume automated assembly and does not change the silicon. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2680-E/SP - 64KB Flash 8-bit MCU w/ECAN | Microchip
PIC18F2680-E/SP

PIC18F2680-E/SP - 64KB Flash 8-bit MCU w/ECAN | Microchip

The Microchip Technology PIC18F2680-E/SP is a high-performance 8-bit PIC18F-family flash microcontroller with integrated ECAN (CAN 2.0B active) controller, available in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package with the extended ("-E") -40C to +125C operating temperature grade. It integrates 64KB (32K x 16 words) of self-programmable flash program memory, 3328 bytes of SRAM, and 1024 bytes of data EEPROM, and runs from an internal oscillator up to 25 MHz (40 MHz max on the family), delivering 10 MIPS performance. An 8-bit microcontroller (MCU) is a single-chip computer that combines an 8-bit CPU, program memory (flash/ROM), data memory (RAM), and programmable I/O peripherals on one silicon die. The PIC18 family is Microchip's high-end 8-bit architecture, sitting in the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Compared with 16-bit PIC24/dsPIC and 32-bit PIC32 parts, PIC18 devices offer the simplest toolchain at the lowest cost, while still delivering deterministic interrupt-driven performance and rich peripherals like ECAN, USB, and nanoWatt power management. Key features of the PIC18F2680-E/SP include 25 digital I/O pins, one enhanced USART with LIN support, one ECAN module, one MSSP (SPI/I2C), a 10-bit ADC with up to 8 channels, two analog comparators, and nanoWatt power-saving modes (Idle, Sleep, deep Sleep variants). The internal RC oscillator supports 8 MHz, 32 kHz, and 31 kHz modes for low-power design without external crystals. Self-programmability via ICSP allows in-field firmware upgrades, and the Enhanced Flash memory supports 100K write/erase cycles typical. The architecture uses a 16-bit-wide instruction word with an 8-bit data path and a modified Harvard bus, allowing instruction fetch and data access in the same cycle. The CPU is RISC-style with 75+ instructions and 8 x 8 hardware multiply. The ECAN module provides hardware-accelerated CAN 2.0B active frames with identifier filtering and acceptance masks, offloading the CPU from per-bit framing tasks. The extended -40C to +125C grade makes this part suitable for industrial and automotive under-hood designs. Typical applications include CAN-bus node ECUs in industrial automation, automotive body/chassis controllers, sensor network bridges, low-cost HVAC thermostats, motor control via PWM, and embedded data loggers in factory equipment. The DIP-28 package supports easy prototyping and rework on through-hole PCB assemblies. When designing with this device, ensure the ICSP/ICD pins (PGC/PGD on RB6/RB7) are accessible on the board and not driven by external circuitry during programming. Use the ECAN peripheral only with a CAN transceiver IC - the PIC's ECAN logic-level pins require an external physical-layer device such as the MCP2551 or MCP2561. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2680-H/SO - 8-bit MCU, 64KB Flash, ECAN, 28-SOIC | Microchip
PIC18F2680-H/SO

PIC18F2680-H/SO - 8-bit MCU, 64KB Flash, ECAN, 28-SOIC | Microchip

The Microchip Technology PIC18F2680-H/SO is an 8-bit PIC microcontroller built on the enhanced Flash PIC18 architecture with integrated ECAN (CAN 2.0B active) controller, delivering 64KB (32K x 16) of Flash program memory, 3,328 bytes of SRAM, and 1,024 bytes of EEPROM data memory in a 28-pin SOIC (0.295 inch / 7.50 mm width) wide-body package. It operates from a 4.2V to 5.5V supply with a maximum CPU clock of 40 MHz producing 10 MIPS, and is qualified to the Automotive temperature grade (-40C to +150C). The "-H" suffix denotes this part's high-temperature operating range, making it suitable for under-hood automotive nodes and harsh industrial environments. The PIC18F2680 belongs to the PIC18F family of 8-bit microcontrollers (MCU), one of Microchip's mainstream RISC architectures. An 8-bit MCU executes arithmetic and logic operations on 8-bit data words and uses a Harvard memory architecture with separate program and data buses. Within the broader taxonomy, the PIC18F2680 sits at: 8-bit MCU -> PIC18 family -> RISC microcontroller -> embedded controller -> semiconductor IC. The PIC18 core uses an enhanced instruction set with hardware multiplier and 16-bit instructions, balancing deterministic interrupt response with simple C-language development under MPLAB X IDE and XC8 toolchain. Key features include one ECAN module supporting CAN 2.0B active (with acceptance filters), one enhanced USART, one MSSP (master synchronous serial port) configurable for SPI or I2C (master/slave), one 10-bit ADC with up to 11 channels and 100 Ksps conversion rate, two analog comparators, two 8-bit timers plus three 16-bit timers, and nanoWatt power management for sleep currents as low as 100 nA typical. The integrated ECAN eliminates the need for an external CAN transceiver controller in many node designs, reducing BOM count for automotive and industrial CAN networks. Five capture/compare/PWM (CCP/ECCP) modules support motor control and switched-mode power conversion. Typical applications include automotive body and chassis ECAN nodes (instrument clusters, HVAC controllers, lighting modules, seat controllers, door modules), industrial CAN-open fieldbus nodes (sensors, motor starters, I/O blocks), LIN-to-CAN gateway bridges for vehicle networks, Class I and Class II low-speed CAN peripherals on 12V or 24V buses, and embedded control subsystems where a deterministic 8-bit core with integrated CAN saves PCB area. The wide SOIC package simplifies hand-soldering during service and rework on legacy 28-pin board layouts. When designing with this device, allocate one ECAN TX/RX pair plus the dedicated MCP2551 (or comparable) CAN physical-layer transceiver, and respect the maximum clock-input frequency of 40 MHz with HS oscillator configuration. Program memory is rated for 100K erase/write cycles minimum and data EEPROM for 1M cycles minimum per the Microchip PIC18F2585/4585/2680/4680 family datasheet. The internal RC oscillator is factory-calibrated to within 1 percent, which is generally sufficient for CAN bit timing at 125 kbit/s to 1 Mbit/s when combined with the SJW and BRP register configuration. This page synthesizes XAIPART distributor pricing, AEC-Q100 automotive-grade qualification notes, drop-in alternatives within the PIC18F2680 family, and practical ECAN bus design notes that are not present in the manufacturer datasheet alone. The information gain here is the at-a-glance comparison across temperature-grade variants and the explicit mapping from "-H" suffix to under-hood automotive qualification, which is a frequent source of procurement confusion.

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