Microcontroladores

Productos (19.000+)

PIC18F242-I/SP - 8-bit 40MHz MCU 16KB Flash 28-SPDIP | Microchip
PIC18F242-I/SP

PIC18F242-I/SP - 8-bit 40MHz MCU 16KB Flash 28-SPDIP | Microchip

The Microchip PIC18F242-I/SP is an 8-bit PIC microcontroller in the PIC18F family with 40 MHz maximum clock speed (10 MIPS), 16 KB (8K x 16) of Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The device operates from 4.2 V to 5.5 V and supports the industrial temperature range of -40 °C to +85 °C. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, ALU, registers, and on-chip program/data memory. It belongs to the hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18F series is a high-performance enhanced family within Microchip's 8-bit portfolio, using a RISC-style architecture with only 77 single-word instructions, yet delivering up to 10 MIPS throughput at 40 MHz. The "F" suffix indicates Flash-based program memory allowing in-circuit reprogramming, and the "I" suffix denotes the industrial operating temperature range. Key features of the PIC18F242 include five channels of 10-bit Analog-to-Digital (A/D) conversion, two Capture/Compare/PWM (CCP) modules, an enhanced USART for RS-232/RS-485, a Synchronous Serial Port configurable as SPI (3-wire) or I²C (2-wire), 23 I/O pins with high-current sink/source capability, self-programming support, an ICD (In-Circuit Debugger) interface, and nanoWatt technology for power-managed sleep modes. The 28-pin SPDIP package provides 0.300-inch row spacing for breadboard-friendly prototyping and field-replaceable designs. Typical applications include industrial control and sensing nodes, appliance control boards, low-cost motor-control signal conditioning, smart sensor interfaces, RS-232/RS-485 field-bus nodes, and battery-powered instruments that benefit from nanoWatt sleep modes. The wide operating voltage and industrial temperature range also suit HVAC controls and automotive aftermarket modules. When designing with the PIC18F242, ensure the MCLR reset circuit uses the recommended 10 kΩ pull-up with a 100 nF decoupling capacitor to ground. Place a 0.1 µF decoupling capacitor close to each VDD pin and use the ICD pins (RB6/RB7) for in-circuit debugging without removing the device from the board. This page synthesizes verified distributor pricing, drop-in same-package alternatives such as the PIC18F252-I/SP and PIC18F242-E/SP, and practical design notes not collected in any single manufacturer document.

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PIC18F2420-E/ML - 8-bit PIC MCU, 16KB Flash, 25MHz, 28-QFN | Microchip
PIC18F2420-E/ML

PIC18F2420-E/ML - 8-bit PIC MCU, 16KB Flash, 25MHz, 28-QFN | Microchip

The Microchip PIC18F2420-E/ML is an 8-bit RISC microcontroller from the PIC18F family, featuring 16 KB (8K x 16) of Flash program memory, 768 bytes of SRAM, and 256 bytes of data EEPROM, housed in a 28-pin QFN (6x6 mm) package with extended (-40C to +125C) operating temperature range. The device executes up to 10 MIPS through a C-compiler-optimized architecture running at 40 MHz maximum clock (25 MHz in the E/ML industrial-grade speed grade as listed by DigiKey). The PIC18F2420 family includes a 10-bit A/D converter, nanoWatt power management, fail-safe clock monitor, and an 8x8 single-cycle hardware multiplier. A microcontroller (MCU) is an integrated circuit that combines a CPU core, non-volatile program memory, working RAM, and configurable peripherals on a single silicon die. PIC18F-series devices from Microchip are 8-bit Harvard-architecture microcontrollers optimized for deterministic real-time control and low-power embedded applications. They sit within the broader category hierarchy of microcontroller -> embedded processor -> semiconductor IC, and are commonly programmed in C through Microchip's MPLAB X IDE and XC8 toolchain. Key features of the PIC18F2420-E/ML include 25 I/O pins, hardware USART, MSSP (SPI/I2C) ports, 10-bit ADC with 10 channels, two analog comparators, four timer modules, and nanoWatt technology for sleep currents under 1 uA. The PIC18 CPU core provides 75 instructions with 16-bit instruction width and 8-bit data path, enabling efficient C-code generation. The internal oscillator block supports 31 kHz to 8 MHz operation without external crystals. Architecturally, the PIC18F2420 uses a RISC core with separate program and data buses (Harvard architecture), allowing simultaneous instruction fetch and data access. The Flash program memory supports self-programming for in-field firmware updates, and the 256-byte data EEPROM is rated for 1 million erase/write cycles. The fail-safe clock monitor allows safe system shutdown if the primary clock source fails, an important feature for automotive and industrial safety applications. Typical applications include industrial control systems, sensor interface modules, low-power remote sensor nodes, consumer appliance controls, USB-to-UART bridges, and general-purpose embedded control. The wide operating voltage (4.2 V to 5.5 V) and extended temperature range suit 24V industrial bus systems with onboard regulation. When designing with the PIC18F2420-E/ML, ensure decoupling capacitors (typically 100 nF and 10 uF) are placed within 5 mm of VDD pins. The 28-QFN package requires thermal pad soldering to a PCB ground plane for proper thermal and electrical performance. Programming is performed via ICSP using Microchip's PICkit 5, ICD 4, or MPLAB Snap debuggers. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F2420-E/SO - 8-bit 25MHz 16KB Flash MCU 28-SOIC | Microchip
PIC18F2420-E/SO

PIC18F2420-E/SO - 8-bit 25MHz 16KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F2420-E/SO is an 8-bit PIC18F enhanced flash microcontroller with 16KB (8K x 16) of program memory, 768 bytes of RAM, 256 bytes of EEPROM, and a 25 MIPS CPU core running up to 40 MHz oscillator (25 MHz instruction cycle), housed in a 28-pin SOIC package. The "E" suffix denotes the extended (-40C to +125C) industrial temperature range, and the /SO suffix indicates the 300-mil SOIC surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), non-volatile storage (EEPROM), and programmable I/O peripherals. The PIC18 family is Microchip's 8-bit high-performance family featuring an enhanced instruction set, hardware multiplier, and nanoWatt power management. MCUs sit at the top of the embedded computing hierarchy: transistor -> logic gate -> register/ALU -> CPU core -> microcontroller -> embedded system -> IoT device. Key features of the PIC18F2420-E/SO include 25 I/O pins, a 10-bit ADC with up to 10 channels, two 8-bit and three 16-bit timers, two USART modules, an SPI/I2C MSSP peripheral, a 2.0V-5.5V operating voltage range (the "LF" variant offers 2.0V-5.5V down to 2.0V), an internal 8 MHz oscillator with PLL support, nanoWatt technology for ultra-low sleep currents, ICSP in-circuit serial programming, and a 10-year Flash/EEPRETENTION specification. The 28-pin SOIC footprint is JEDEC-standard and is widely supported by hand-soldered prototyping and automated SMT lines. Architecturally the PIC18F2420 uses a Harvard RISC architecture with separate program and data buses, a hardware 8x8 multiplier, and a 16-bit instruction word. Its enhanced instruction set provides C-friendly addressing with indirect/FSR pointers and table reads for efficient compiler code generation, while nanoWatt modes (Run, Idle, Sleep, and RTCC from Timer1) allow microamp-level standby current for battery-powered designs. Typical applications include industrial control and sensor nodes, automotive body and HVAC modules, consumer white-goods user interfaces, USB-to-UART bridge firmware on legacy PIC hardware, and battery-powered instrumentation. The extended -40C to +125C temperature range supports under-hood automotive and outdoor industrial deployments. When designing with this part, ensure the ICSP programming pins (RB6, RB7) and MCLR are accessible for production programming, and note that E vs I temperature grade is an orderable suffix (E = -40C to +125C, I = -40C to +85C), not a firmware option. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design considerations not found in the standalone Microchip datasheet.

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PIC18F2420-E/SP - 8-bit PIC MCU, 16KB Flash, 28-Pin SPDIP | Microchip
PIC18F2420-E/SP

PIC18F2420-E/SP - 8-bit PIC MCU, 16KB Flash, 28-Pin SPDIP | Microchip

The Microchip PIC18F2420-E/SP is an 8-bit enhanced flash microcontroller from the PIC18 family, featuring 16 KB of program memory, 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It operates at up to 40 MHz (10 MIPS) from a 4.2 V to 5.5 V supply and integrates 25 digital I/O pins, a 10-bit ADC with up to 10 input channels, two 8-bit and three 16-bit timers, two capture/compare/PWM (CCP) modules, and a USART with support for RS-485, RS-232 and LIN. The device also includes nanoWatt power management with multiple low-power modes, a hardware 8x8 single-cycle multiplier, an internal oscillator block with PLL (31 kHz to 8 MHz), fail-safe clock monitoring, and a watchdog timer with a dedicated RC oscillator. A PIC18 microcontroller is a member of Microchip's 8-bit Harvard-architecture MCU family, sitting between the legacy PIC16 family and the more advanced dsPIC and PIC24 16-bit lines. It uses an enhanced RISC core with C-compiler-friendly instruction set and a 16-bit instruction word, while data paths remain 8 bits wide. PIC18 MCUs are widely adopted in consumer appliances, industrial control, automotive body electronics, and USB/HID peripherals because they combine deterministic interrupt response, low power consumption, and a large ecosystem of free development tools such as MPLAB X IDE, XC8 compiler, and MPLAB PICkit programmers. Key differentiating features of the PIC18F2420 include 16 KB self-programmable flash, 25 I/O capable of sinking/sourceing 25 mA for direct LED drive, hardware ECC on flash, and a 10-bit ADC with up to 10 channels and 100 Ksps conversion rate. The nanoWatt technology offers dynamic power-down modes (Idle, Sleep, and Deep Sleep) reducing quiescent current to under 1 uA in sleep. The internal oscillator block eliminates the need for external crystals in cost-sensitive designs while the fail-safe clock monitor automatically switches to the internal RC if the primary clock fails, allowing safe shutdown of peripherals. Typical applications include industrial sensor interfaces, low-cost motor control (small brushed DC, stepper direction-only), home appliances, HVAC controllers, sensor hubs, USB-less HID devices, and automotive body controllers (non-safety). Designers should note the operating temperature range of -40C to +125C for the E (extended) suffix, making this part suitable for industrial and automotive under-hood environments. The SPDIP-28 package is preferred for breadboard-friendly prototypes and through-hole production. The PIC18F2420-E/SP is best suited where 8-bit simplicity, ample legacy code base, and a 28-pin DIP footprint are required. For new designs, consider the K-series (PIC18F23K22, PIC18F24K50) for lower power and richer peripherals, or the PIC18F27/47-series for more memory; but for a true drop-in SPDIP-28 upgrade, the PIC18F2420 and PIC18F2520 (32 KB flash) variants remain in volume production. Always verify the temperature grade and packaging letter suffixes when ordering -E/SP, -I/SP, and -I/SO are different operating ranges and packages.

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PIC18F2420-I/ML - 8-bit 40MHz 16KB Flash MCU | Microchip
PIC18F2420-I/ML

PIC18F2420-I/ML - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F2420-I/ML is a 28-pin PIC18F-series 8-bit Flash microcontroller IC running up to 40 MHz with 16 KB of program Flash memory (8K x 16 words), 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-lead QFN (6 mm x 6 mm) package also designated /ML. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a self-contained single-chip computer that integrates an 8-bit CPU core, non-volatile program memory (Flash or ROM), volatile data memory (SRAM), on-chip peripherals, and an execution engine into one package. The PIC18 family sits within Microchip's PIC microcontroller taxonomy: 8-bit MCU -> PIC microcontroller -> PIC18 family -> PIC18F2420 sub-family, occupying the high-performance mid-range tier with nanoWatt Technology power management. Key specifications include operation from 2.0 V to 5.5 V across the industrial -40C to +85C range, 25 digital I/O pins, a 10-bit ADC with up to 10 input channels, two 8-bit timers plus three 16-bit timers, two capture/compare/PWM (CCP) modules, an enhanced USART (EUSART), an MSSP module supporting SPI and I2C (master and slave), and nanoWatt Technology for low-power operation. The enhanced flash program memory supports 100,000 erase/write cycles typical and data retention exceeding 40 years. The PIC18F2420 is built on an enhanced Harvard architecture that separates program and data buses for parallel fetch and execution. Microchip's nanoWatt Technology provides multiple software-selectable power-management modes (Run, Idle, and Sleep) plus an ultra-low-power wake-up from sleep on interrupt, while the wide 2.0 V to 5.5 V operating range allows direct connection to single-cell Li-ion or three-cell alkaline supplies without external regulation. Typical applications include consumer-electronic user interfaces, industrial sensor and instrumentation nodes, low-end motor-control loops, USB-to-UART bridges (with an external transceiver), and remote-control subsystems. The combination of 16 KB Flash, 768 byte SRAM and 25 I/O makes the device a sweet-spot choice for cost-sensitive embedded designs that need more headroom than an 8-bit mid-range part like PIC16 but do not need a 16-bit dsPIC or 32-bit MCU. When designing with this device, ensure your toolchain matches the ICSP programming mode shipped on the silicon and include adequate Vcap decoupling near the core supply pin per datasheet guidance. For multi-rail designs, place decoupling capacitors within 5 mm of each Vdd/Vss pair to keep switching noise out of the sensitive analog reference. This page synthesizes distributor pricing, drop-in 28-QFN alternatives drawn from the PIC18 family, and practical design notes that complement the Microchip datasheet.

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PIC18F2420-I/SP - 8-Bit 40MHz MCU 16KB Flash 28-SPDIP | Microchip
PIC18F2420-I/SP

PIC18F2420-I/SP - 8-Bit 40MHz MCU 16KB Flash 28-SPDIP | Microchip

The Microchip PIC18F2420-I/SP is an 8-bit microcontroller from the PIC18F family, featuring a RISC architecture capable of up to 16 MIPS at a 40 MHz clock, with 16 KB of enhanced flash program memory (8K x 16), 768 bytes of RAM, and 256 bytes of EEPROM, packaged in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. What is a PIC18F microcontroller? The PIC18F is a family of 8-bit CMOS flash-based microcontrollers built around an enhanced RISC instruction set designed for high-performance embedded applications. Within the broader taxonomy, the PIC18F belongs to the PIC microcontroller -> 8-bit MCU -> microcontroller (MCU) -> embedded IC -> semiconductor hierarchy. The 'F' in PIC18F denotes flash program memory with in-system programmability (ICSP), while the '2420' identifies flash/RAM/peripheral density. The 'I/SP' suffix indicates the industrial temperature range (-40C to +85C) and the SPDIP package. These devices implement nanoWatt technology for power-managed operation, which is critical for battery-powered or energy-conscious designs. Key features of the PIC18F2420-I/SP include 25 digital I/O pins, a 10-bit analog-to-digital converter (ADC) with up to 10 channels, enhanced CCP (Capture/Compare/PWM) modules, an enhanced USART, an MSSP (Master Synchronous Serial Port) supporting SPI and I2C, and a wide operating voltage range of 4.2V to 5.5V. The device supports an internal 8 MHz oscillator, an internal 31 kHz low-power oscillator, and multiple clock modes selectable via configuration fuses, plus nanoWatt power-saving modes for sleep and idle operation. Architecturally, the PIC18F2420 uses a 16-bit instruction word and a Harvard-style bus with separate program and data paths, achieving 200 ns instruction execution at 40 MHz. It supports hardware multiplier and 32 kHz secondary oscillator for real-time-clock applications, with priority interrupts and hardware stack. Industrial-grade operation makes it suitable for harsh environments. Typical applications include industrial control, sensor signal conditioning, motor control (small BLDC/Stepper), USB-to-serial bridges, HVAC controls, automotive body electronics, and consumer appliance controllers. The 10-bit ADC and CCP/PWM peripherals make it ideal for closed-loop control loops where analog feedback and PWM actuation are required. When designing with this device, use ICD/PICkit programmers for in-circuit programming and debugging, and consider the parallel master port or external memory interface carefully to avoid bus contention. Be mindful that 28-pin variants lack PORTD/PORTE-only pins available on 40/44-pin variants - some peripherals may be remapped or unavailable. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F2420T-I/SO - 8-Bit 40MHz 16KB Flash MCU 28-SOIC | Microchip
PIC18F2420T-I/SO

PIC18F2420T-I/SO - 8-Bit 40MHz 16KB Flash MCU 28-SOIC | Microchip

The Microchip PIC18F2420T-I/SO is an 8-bit RISC PIC18 microcontroller running at up to 40 MHz with 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (Wide, 300 mil) package shipped on Tape and Reel. The T suffix denotes Tape & Reel packaging, the I denotes the industrial -40C to +85C temperature range, and SO is the 28-pin SOIC. A PIC18 microcontroller is an 8-bit Harvard-architecture RISC microcontroller from Microchip's PIC18 family, part of the broader category of microcontrollers -> embedded MCUs -> integrated circuits. The PIC18 family introduced design enhancements over earlier PIC16 devices such as a 16-bit instruction word, hardware multiply, linear memory map and C-friendly architecture, while retaining the classic PIC peripheral set. PIC18 devices are widely used where deterministic low-power control is needed alongside moderate on-chip resources. Key features of this part include a 10-bit ADC with up to 10 channels, one 8-bit and three 16-bit timers, two capture/compare/PWM modules, an enhanced USART (EUSART), an MSSP port supporting SPI and I2C (master/slave), two analog comparators, nanoWatt power-management modes, and a 25 I/O count with 5.5 V tolerant digital ports. The integrated nanoWatt technology allows dynamic switching of idle, sleep and run modes, reducing quiescent current in battery-powered designs. The PIC18F2420 architecture is built around a 16-bit instruction path fed by a Flash program memory and an 8-bit data path, with separate program and data buses (Harvard). The 40 MHz maximum clock delivers up to 10 MIPS throughput - typical of the high-performance tier of the PIC18 family - while nanoWatt mode allows the CPU and peripherals to be selectively clock-gated to extend battery life in sleep states. Typical applications for the PIC18F2420T-I/SO include industrial sensor conditioning and motor control loops, low-cost 5 V logic-replacement controllers, USB-to-UART bridges (when paired with external PHYs), home appliance control boards, general-purpose sensor hubs, and educational/development platforms. Designers leverage the PIC18 toolchain (MPLAB X IDE, XC8 compiler, MPLAB PICkit programmers) for code development and in-circuit debug. When designing with this part, ensure the 4.2 V to 5.5 V supply rail is decoupled with at least a 100 nF ceramic close to VDD plus a bulk 10 uF capacitor, and add a 100 nF on AVCC for ADC accuracy. The MCLR pin must be pulled high through a 10 kohm resistor for normal operation, and analog/digital supplies must be tied together if the ADC is unused. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes beyond the manufacturer datasheet.

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PIC18F2423-E/ML - 8-Bit 40MHz PIC MCU 16KB Flash | Microchip
PIC18F2423-E/ML

PIC18F2423-E/ML - 8-Bit 40MHz PIC MCU 16KB Flash | Microchip

The Microchip Technology PIC18F2423-E/ML is an 8-bit RISC PIC microcontroller featuring 40 MHz CPU speed, 16 KB (8K x 16) of Enhanced Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, all integrated in a 28-pin QFN (6x6) package with exposed thermal pad. It supplies 25 I/O lines and operates from 4.2 V to 5.5 V, and includes a 12-bit A/D converter and nanoWatt Technology power management for low-power designs. The 'E' suffix denotes the extended temperature grade (-40C to +125C), targeting industrial and automotive-grade environments. An 8-bit PIC microcontroller is a Harvard-architecture CMOS device optimized for deterministic real-time control. It belongs to the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. PIC18F devices add enhanced flash, deeper instruction pipelines, and C-friendly peripherals compared with baseline PIC16F parts, while staying architecturally simpler than 32-bit Cortex-M0 MCUs. Engineers select this class of device when deterministic interrupt latency, low sleep current, and legacy code compatibility matter more than raw compute throughput. Key features of the PIC18F2423-E/ML include a 12-bit ADC with up to 10 input channels, one Enhanced USART, one MSSP (SPI/I2C), two analog comparators, and nanoWatt features such as multiple idle modes and run-time peripheral disabling. It supports in-circuit serial programming (ICSP) and In-Circuit Debug (ICD), and integrates a 16-level deep hardware stack with 32 kB of accessible program address space (16-bit wide). The device uses a 16-bit wide instruction set with 8-bit data path, executed in a two-stage pipeline at up to 10 MIPS at 40 MHz. Internal oscillator options (8 MHz and 31 kHz) reduce BOM cost by eliminating external crystals for non-USB applications. Fail-safe clock monitor and two-speed oscillator start-up improve robustness for safety-critical loops. The 28-QFN (6x6) package exposes the central thermal pad for improved theta-JA and is pin-compatible with several other PIC18F 'K22' and 'F2x' family members. Typical applications include industrial sensor signal conditioning, low-power remote controls, HVAC controllers, automotive body and climate modules, LED lighting controllers, and small battery-driven instruments. The 12-bit ADC with internal voltage reference suits transducer read-out, while the EUSART and MSSP cover both legacy RS-232/485 sensor bridges and modern I2C/SPI peripherals. When designing with this part, pay attention to oscillator selection: the internal 8 MHz oscillator saves board space but reduces system clock accuracy to +/- 2%. For UART timing or LIN bus applications, an external crystal or resonator is recommended. The QFN exposed pad must be soldered to a sufficient copper pour (at least 1 cm^2) to keep junction temperature within the extended -40C to +125C operating range. This page consolidates verified distributor inventory, drop-in same-package alternatives, and design guidance that goes beyond the bare datasheet, helping procurement and engineering teams evaluate the PIC18F2423-E/ML against cross-brand 8-bit MCU families.

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PIC18F2423-E/SO - 8-bit MCU, 16KB Flash, 25 I/O, SOIC-28 | Microchip
PIC18F2423-E/SO

PIC18F2423-E/SO - 8-bit MCU, 16KB Flash, 25 I/O, SOIC-28 | Microchip

The Microchip PIC18F2423-E/SO is an 8-bit RISC microcontroller in the PIC18F family with 16 KB of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, offered in a 28-pin SOIC (SO, 7.50 mm body width) package. It delivers up to 10 MIPS throughput from a C-compiler-optimized architecture with 8x8 single-cycle hardware multiplication, an internal oscillator block (31 kHz to 8 MHz, scalable to 32 MHz via 4x PLL), and 25 digital I/O pins distributed across multiple ports. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, an ALU, on-chip program memory (Flash/ROM), data memory (RAM), and a rich set of peripherals such as timers, ADC, USART, SPI, I2C, and capture/compare/PWM modules. Within the broader taxonomy, the PIC18F belongs to the 8-bit MCU family (PIC10/12/16/18), which itself sits under microcontroller -> embedded processor -> semiconductor. The PIC18 series is positioned as Microchip's high-performance 8-bit line, while dsPIC and PIC32 represent the 16-bit and 32-bit tiers respectively. Key features include an enhanced USART with auto-baud support, a 10-bit ADC with up to 10 channels, two analog comparators, two CCP modules plus one ECCP, a 4-timer block, an MSSP for SPI/I2C, two 8-bit timers and three 16-bit timers, and Fail-Safe Clock Monitor (FSCM) plus watchdog timer for safety-critical applications. The internal oscillator with PLL allows BOM reduction by eliminating an external crystal in cost-sensitive designs. Typical applications include industrial control, sensor node interfaces, low-cost consumer appliances, USB bridges (with the 16F/18F USB-capable variants), automotive body and HVAC modules, white goods control boards, and small-form-factor embedded products where 16 KB Flash is sufficient. Designers value the PIC18F2423 for code compatibility across the 28/40/44-pin PIC18F family, easing migration from 6 to 100 pins. When designing with the -E (Extended) temperature grade part, observe the -40 C to +125 C operating range; place Vdd/Vss decoupling capacitors close to the IC and follow Microchip's layout guidelines for analog and oscillator traces. The In-Circuit Serial Programming (ICSP) interface simplifies firmware updates in the field.

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PIC18F2423-E/SP - 8-bit 40MHz MCU, 16KB Flash, 28-SPDIP | Microchip
PIC18F2423-E/SP

PIC18F2423-E/SP - 8-bit 40MHz MCU, 16KB Flash, 28-SPDIP | Microchip

The Microchip Technology PIC18F2423-E/SP is an 8-bit PIC18 microcontroller built on an enhanced RISC architecture, featuring 16KB (8K x 16) of Enhanced Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, all housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. Operating at up to 40 MHz, the device integrates a 10-bit ADC with up to 10 channels, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, and the standard PIC18 peripheral set including EUSART, MSSP (SPI/I2C), and nanoWatt power management. The -E suffix denotes the extended industrial temperature range of -40C to +125C, suitable for harsh-environment and automotive-under-hood applications. A PIC18 microcontroller is a member of Microchip's 8-bit MCU family that pairs Harvard-architecture RISC performance (most instructions execute in one cycle) with rich on-chip peripherals, making it a workhorse for embedded control across consumer, industrial, and automotive markets. Within the broader taxonomy it sits as: microcontroller -> MCU -> embedded processor -> semiconductor IC. The PIC18F family specifically targets applications that need more code space, more RAM, and more peripherals than the baseline PIC16F, but where a 16-bit or 32-bit MCU would be over-spec and over-budget. Key specifications that differentiate this part include its nanoWatt Technology dynamic power-management modes (Idle, Sleep, and multiple oscillator options), the high-performance 10-bit ADC capable of 30 ksps, and an internal RC oscillator that eliminates an external crystal in cost-sensitive designs. The Enhanced Flash memory supports >100,000 erase/write cycles typical, and the device supports in-circuit serial programming (ICSP) plus in-circuit debugging through ICD. Architecturally, the PIC18F2423 uses a 16-bit instruction word with separate program and data buses (Harvard), an 8-level hardware stack, and prioritized interrupts. The CPU executes most instructions in a single instruction cycle (4 system clock ticks), giving roughly 10 MIPS throughput at 40 MHz. The MSSP peripheral handles both SPI master/slave and I2C master/slave protocols, while the EUSART provides asynchronous and synchronous serial with auto-baud detect. Typical applications include industrial sensor conditioning, HVAC fan/blower control, small appliance motor control (via CCP/PWM), home-automation node controllers, automotive body electronics (climate, lighting, mirror modules), battery chargers, and digital display drivers. The wide operating voltage range (4.2 V to 5.5 V) and the -E temperature grade allow direct deployment in 5 V industrial and 12 V automotive point-of-load designs. When designing with this device, observe that the 28-SPDIP package is intended for through-hole boards and development prototypes; for volume production the same die is offered in SOIC, QFN, and TQFP packages. Decouple VDD with a 100 nF ceramic placed within 5 mm of the pin, and if the ADC is used, populate the AVdd/AVss pair with their own filtered supply and a 10 uF + 100 nF decoupling network to keep reference noise below 1 LSB. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the PIC18 family, and practical design notes that complement (not duplicate) the manufacturer datasheet, helping engineers shorten the component-selection cycle.

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PIC18F2423-I/ML - 8-bit MCU, 16KB Flash, 40MHz QFN-28 | Microchip
PIC18F2423-I/ML

PIC18F2423-I/ML - 8-bit MCU, 16KB Flash, 40MHz QFN-28 | Microchip

The Microchip Technology PIC18F2423-I/ML is an 8-bit PIC18F-series enhanced flash microcontroller delivering 40 MIPS at 40 MHz, integrating 16 KB of flash program memory (8K × 16), 768 bytes of SRAM, and 256 bytes of EEPROM in a 28-pin QFN (6 × 6 mm) package with an exposed thermal pad. The -I suffix denotes the industrial temperature range (-40 °C to +85 °C), and the /ML designator maps to a QFN-28 surface-mount package optimised for compact designs. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU family from Microchip Technology, positioned within the broader taxonomy of microcontroller -> embedded controller -> semiconductor. The PIC18F2XXX family adds enhanced flash memory, nanoWatt power management, and a 10-bit ADC to the legacy PIC16 baseline, making it suitable for consumer, industrial, and automotive under-hood applications. Key features include 25 digital I/O pins, an enhanced USART with LIN support, an SPI and I²C (MSSP) peripheral, 10-bit ADC with up to 10 channels, two analogue comparators, three timers (Timer0/Timer1/Timer2) and a hardware ECCPEG block. NanoWatt technology provides ultra-low-power sleep modes with < 100 nA typical current draw, ideal for battery-powered nodes. The 28-QFN footprint also includes an exposed pad for thermal dissipation. Architecturally, the PIC18F2423 uses a modified Harvard core with a 16-bit instruction word and 8-bit data path, allowing single-cycle 40 MHz operation. Enhanced flash offers 100K erase/write cycle endurance and > 40-year data retention, far exceeding the legacy 16F EEPROM endurance. The integrated 10-bit ADC achieves ~ 7.5 ksps with acquisition control and selectable voltage references. Typical applications include industrial control sensors, battery-powered IoT nodes, automotive LIN slave ECUs, USB-to-UART bridge dongles, and small appliance user interfaces. The combination of ECCPEG, 16 KB flash, and nanoWatt modes makes the PIC18F2423 particularly attractive where deterministic real-time response matters. When designing with this device, ensure the exposed thermal pad is soldered to a 1 in² copper pour. Decouple VDD with a 100 nF ceramic close to pin 20 and a 10 µF bulk capacitor within 50 mm of the IC. The MCLR reset pin requires a 10 kΩ pull-up to VDD for reliable operation. This page synthesises distributor pricing for the PIC18F2423-I/ML, drop-in same-package alternatives, and practical design notes not duplicated from the Microchip datasheet.

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PIC18F2423T-I/SO - 8-bit 40MHz 16KB Flash MCU | Microchip
PIC18F2423T-I/SO

PIC18F2423T-I/SO - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F2423T-I/SO is an 8-bit PIC18-family flash microcontroller (MCU) delivering up to 10 MIPS performance from a 40 MHz internal/external clock, packaged in a 28-pin narrow-body SOIC (SO) for surface-mount assembly. The device integrates 16 KB of enhanced flash program memory (8K x 16), 256 bytes of EEPROM data, and 768 bytes of SRAM, providing the headroom required for embedded C applications while keeping the footprint and BOM cost low. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, and a configurable set of peripherals on one die. PIC microcontrollers use a RISC-style Harvard architecture with separate program and data buses, which lets the fetch and the read/write of an operand happen in the same cycle and yields a deterministic instruction time. The PIC18F family sits at the high-performance end of Microchip's 8-bit portfolio, adding a 16-bit instruction word and 8 x 8 hardware single-cycle multiply to the classic PIC16 core, so it can replace older PIC16 designs without losing peripheral compatibility. Key features of the PIC18F2423T-I/SO include 10 MIPS throughput, an internal oscillator that runs from 31 kHz to 8 MHz (and up to 32 MHz when paired with the 4x PLL), a Fail-Safe Clock Monitor that allows safe shutdown if the main clock fails, and a dedicated Watchdog Timer with its own on-chip low-power RC oscillator. The 'T' suffix indicates Tape-and-Reel packaging, the 'I' indicates the -40C to +85C industrial temperature range, and the /SO denotes the 28-pin SOIC package. Architecturally, the device carries the standard PIC18 set: up to 22 digital I/O, a 10-bit ADC with up to 10 channels, two analog comparators, two 8-bit timers plus one 16-bit timer, an Enhanced CCP module, MSSP (SPI/I2C) and EUSART (RS-232/RS-485) serial interfaces, and nanoWatt Technology for low-power sleep modes. These blocks are mapped onto a fixed interrupt vector structure and supported by Microchip's MPLAB X IDE and XC8 compiler toolchain. Typical applications include consumer appliances, low-end HVAC controls, sensor pre-processing, battery-powered instruments, USB-to-UART bridges, and small graphical/text user interfaces. The wide operating voltage (2.0 V to 5.5 V) and industrial temperature range make the part comfortable in mains-powered and automotive cabin environments. When designing with this part, always provide bulk decoupling (4.7 uF) plus a 0.1 uF ceramic close to the VDD pins, reserve MCLR with a proper reset circuit, and place a low-ESR bypass on AVDD if the ADC is in use. The internal oscillator is good enough for most UART work up to 115200 baud at 25C; for tight timing, switch to an external crystal. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F242T-I/SO - 40MHz 8-bit MCU, 16KB Flash, 28-SOIC | Microchip
PIC18F242T-I/SO

PIC18F242T-I/SO - 40MHz 8-bit MCU, 16KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC18F242T-I/SO is a high-performance 8-bit CMOS FLASH microcontroller in the PIC18F family, delivering 10 MIPS (100 ns instruction execution) in a 28-pin SOIC package. It integrates 16 KB of on-chip program FLASH, 768 bytes of RAM, 256 bytes of EEPROM, 25 digital I/O lines, a 10-bit A/D converter with up to 5 channels, and Microchip's nanoWatt power-management technology. The "T" suffix denotes tape-and-reel packaging while the "I" denotes the industrial -40C to +85C temperature range. A PIC18F-series 8-bit microcontroller is a single-chip computer based on Microchip's enhanced PIC RISC architecture. The PIC18F family sits at the top of Microchip's 8-bit portfolio, above PIC10/12/16 families and below the 16-bit PIC24/dsPIC33 families. Within the broader taxonomy it belongs to the microcontrollers product category, which itself is a subset of integrated circuits / embedded processors. PIC18F parts are widely used in cost-sensitive, deterministic real-time control where the simplicity of an 8-bit core outweighs the throughput of an ARM Cortex-M device. Key features of this part include 16 KB self-programmable FLASH, hardware USART, MSSP (SPI/I2C), CCP/PWM modules, an enhanced 10-bit ADC, and four oscillator options including the internal 8 MHz RC oscillator. The nanoWatt technology provides dynamic and sleep-mode current management enabling battery-friendly designs. The PIC18F242T-I/SO is fully upward source-code compatible with PIC16C5X, PIC12CXXX, PIC16CXX and PIC17CXX devices, easing migration from older designs. The architecture is a 16-bit instruction word with an 8-bit data path and 31-level hardware stack, supporting linear memory addressing and C-compiler-friendly programming. Instruction execution is single-cycle at 40 MHz (10 MIPS), providing deterministic interrupt latency for closed-loop control loops such as motor commutation and power-conversion feedback. Typical applications include industrial sensor conditioning, small motor control (BLDC stepper drivers), USB-to-UART bridging using the on-chip USART, battery chargers with CC/CV profiling, and embedded human-machine interfaces (HMI) with character LCDs and keypads. The wide operating voltage (4.2V-5.5V) and 25 I/O count strike a balance between analog signal availability and digital fan-out. When designing with this part, ensure decoupling capacitors are placed within 5 mm of VDD/AVDD with a 100 nF + 10 uF combination, and that the MCLR pin is pulled to VDD through a 10 kohm resistor with a 100 nF cap for in-circuit debugging. For low-power designs, leverage the nanoWatt sleep modes rather than relying on clock slowdown alone. This page consolidates current distributor pricing, drop-in same-package alternatives, and practical engineering notes that the manufacturer datasheet does not directly provide, giving purchasing and design teams a single decision-ready reference.

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PIC18F2431-E/SO - 8-bit MCU, 16KB Flash, 40MHz, 28-SOIC | Microchip
PIC18F2431-E/SO

PIC18F2431-E/SO - 8-bit MCU, 16KB Flash, 40MHz, 28-SOIC | Microchip

The Microchip Technology PIC18F2431-E/SO is a high-performance 8-bit PIC18 flash microcontroller with 16 KB of program memory, 768 bytes of SRAM, and a maximum clock speed of 40 MHz, packaged in a 28-pin SOIC (0.295 inch / 7.50 mm body width). It is part of the PIC18F2331/2431/4331/4431 family that integrates a high-performance 14-bit enhanced PWM module, a 10-bit A/D analyzer with up to 9 input channels, and nanoWatt technology for power-managed operation. The PIC18F2431-E/SO operates from 4.2 V to 5.5 V and offers 22 digital I/O pins, three 16-bit timers, two analog comparators, one USART, one MSSP (SPI/I2C), and a 14-bit Power Control PWM with up to 6 channels. The “E” suffix indicates the extended (-40 °C to +125 °C) operating temperature grade, while the “SO” suffix denotes the wide-body 28-SOIC package. A PIC18 microcontroller is an 8-bit RISC flash MCU from Microchip’s PIC18F family, sitting between the PIC16 baseline and the PIC24/dsPIC architectures. PIC18 cores use a 16-bit instruction word with an 8-bit data path, deliver up to 16 MIPS throughput, and are programmed using the MPLAB X IDE with the XC8 compiler. They form the backbone of cost-sensitive embedded designs that need deterministic real-time control, on-chip flash, and rich peripherals. Positioned in the broader taxonomy, PIC18 belongs to 8-bit microcontrollers, under microcontrollers, under microprocessors and microcontrollers, under integrated circuits, under semiconductors. Key differentiating features of the PIC18F2431-E/SO include the 14-bit enhanced PWM with dedicated time-base and duty-cycle registers, true 10-bit ADC with acquisition timing, and nanoWatt power-saving modes such as Sleep, Idle, and oscillator switching. The 28-SOIC package provides easy hand-soldering and breadboarding for prototypes while still being surface-mountable for production. Architecturally, the PIC18F2431 uses a Harvard RISC core with hardware multiply, an internal 8 MHz oscillator (calibrated), and a separate 16-level hardware stack. The 14-bit PWM is purpose-built for motor control and power conversion, complementing the PIC18F2331 (smaller flash) in the same family. Typical applications include BLDC and PMSM motor control (the part’s headline use case), HVAC blowers, small pumps, LED lighting drivers, industrial sensor interfaces, and general-purpose 8-bit embedded control. In each, the integrated high-resolution PWM eliminates the need for an external motor-control ASIC. Design consideration: ensure the 4.2 V minimum supply is met under worst-case brownout conditions, and that unused I/O pins are configured as outputs (or inputs with the weak pull-up enabled) to minimize Sleep-mode current. Place VDD/VSS decoupling 100 nF + bulk capacitors within a few mm of the package. This page synthesizes distributor pricing, drop-in 28-SOIC alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2431-E/SP - 8-bit 40MHz 16KB Flash MCU | Microchip
PIC18F2431-E/SP

PIC18F2431-E/SP - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F2431-E/SP is an 8-bit PIC18 microcontroller running up to 40 MHz with 16 KB of enhanced Flash program memory and 768 bytes of RAM, housed in a 28-pin SPDIP (0.300-inch, skinny plastic DIP) through-hole package. The part operates across a 4.2 V to 5.5 V supply range, offers up to 25 digital I/O pins, integrates a 10-bit A/D converter, and includes a high-performance PWM module with complementary outputs targeted at motor control. The "-E" temperature grade indicates the extended -40 C to +125 C industrial operating range, while the "/SP" suffix identifies the 28-pin SPDIP package. A PIC18 microcontroller is a member of Microchip's 8-bit PIC (Peripheral Interface Controller) RISC architecture family, with the PIC18 sub-family adding enhanced Flash, hardware multiply, and 16-bit instruction support for computationally demanding embedded tasks. The PIC18F2431 belongs to the PIC18F2331/2431/4331/4431 family - 28/40/44-pin variants of the same silicon with progressively more I/O. These MCUs sit in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features include 16 KB (8K x 16) Flash program memory with nanoWatt Technology power management, 768 bytes of RAM, 256 bytes of EEPROM, an enhanced 10-bit A/D converter with up to 9 channels on the 28-pin variant, a 14-bit resolution Power Control PWM module with up to 6 channels (3 complementary pairs), a Capture/Compare/PWM (CCP) module, two USART modules, an MSSP module for SPI / I2C, and a 16-bit timer/counter. The PIC18F2431 also provides five 8-bit timers and one 16-bit timer, watchdog timer, in-circuit debug capability, and an extended instruction set. The PIC18F2431 architecture is built on Microchip's enhanced Harvard RISC core with 16-bit instructions and an 8-bit data path, supporting DC to 40 MHz operation (10 MIPS at 40 MHz). nanoWatt Technology dynamic power management, plus multiple low-power modes (idle, sleep, and oscillator switching) typically reduce operating current to a few mA active and below 1 uA in sleep. The motor-control-oriented PWM is the differentiator versus ordinary PIC18F parts - it drives 3-phase BLDC or 4-phase stepper bridges with dead-band control and center-aligned PWM. Typical applications include 3-phase BLDC and PMSM motor drives, brushless DC fan and pump controllers, HVAC damper and valve actuators, small appliance motor control, and sensor signal conditioning with integrated ADC. The part is also used in industrial control, LED lighting drivers, and uninterruptible power supply control loops where deterministic PWM timing is required. Developers typically pair it with MPLAB X IDE and the XC8 compiler, programming in-circuit through ICSP. When designing with the PIC18F2431-E/SP, observe the maximum 40 MHz Fosc limit and configure CONFIG bits for the oscillator mode, watchdog, low-voltage programming, and code protection before code generation. Decouple VDD/VSS with at least 100 nF + 10 uF bulk capacitance near the package, keep the MCLR pull-up weak if ICD is used, and reserve an ICP / ICSP header for field updates.

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PIC18F2431-I/SO - 40MHz 8-Bit MCU, 16KB Flash, Motor-Control PWM | Microchip
PIC18F2431-I/SO

PIC18F2431-I/SO - 40MHz 8-Bit MCU, 16KB Flash, Motor-Control PWM | Microchip

The Microchip Technology PIC18F2431-I/SO is an 8-bit PIC18 family microcontroller running up to 40 MHz with 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (SO) package. It integrates a 10-bit A/D converter, a dedicated 14-bit resolution Power-Control PWM module, and hardware fault-protection logic specifically engineered for variable-speed motor control loops. According to the Microchip product page, the device is currently In Production and supported by the MPLAB XC8 toolchain and ICD-series in-circuit debuggers. A PIC18F-series 8-bit microcontroller is a RISC-architecture CMOS device that executes one instruction every four oscillator cycles, achieving up to 10 MIPS throughput at 40 MHz. The 'F' in PIC18F denotes Flash program memory, allowing in-system self-programming. Within Microchip's taxonomy this part sits at: PIC18F2xxx family -> PIC18F motor-control sub-family -> PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. It is the successor generation to the PIC16C/F motor-control line, adding nanoWatt power-management modes and an enhanced PWM peripheral that simplifies BLDC, PMSM, and AC-induction drive firmware. Key features include 22 digital I/O pins with peripheral pin select flexibility, a 10-bit ADC with up to 9 input channels, two CCP modules plus the dedicated Power-Control PWM, an Enhanced USART, MSSP for SPI/I2C, two analog comparators, and a four-stage hardware dead-band generator. The 28-SOIC footprint offers an exposed thermal path via the die-attached paddle and operates across the industrial -40C to +85C range. Architecturally the device pairs a Harvard-memory RISC core with on-chip oscillator options up to 40 MHz including a 32 kHz secondary low-power source. The motor-control PWM block supports center-aligned, edge-aligned, and variable-frequency modes with programmable dead time and automatic shutdown on overcurrent faults, eliminating most discrete analog timing components. Typical applications include sensorless BLDC fan and pump drives, small PMSM servo amplifiers, brushed-DC H-bridge controllers, switched-mode power supply PFC stages, and LED driver current regulators where the high-resolution PWM doubles as a high-side/low-side FET control waveform. A practical design tip is to allocate the FLTA, PWM, and fault pins near the connector that drives the gate-driver stage and to follow Microchip AN1078 sensorless BLDC firmware guidelines when transitioning legacy PIC16 designs. This page synthesizes distributor pricing, drop-in alternatives within the SOIC-28 footprint, and practical design considerations not consolidated in the manufacturer datasheet itself.

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PIC18F2431-I/SP - 8-bit MCU, 16KB Flash, 40MHz, Motor Control PWM | Microchip
PIC18F2431-I/SP

PIC18F2431-I/SP - 8-bit MCU, 16KB Flash, 40MHz, Motor Control PWM | Microchip

The Microchip PIC18F2431-I/SP is an 8-bit PIC18 family microcontroller in a 28-pin SPDIP (Skinny Plastic DIP) package, designed for high-performance motor control and power-conversion applications. It integrates 16KB of Enhanced Flash program memory, 768 bytes of RAM, and a maximum CPU clock of 40 MHz, while operating from a 4.2 V to 5.5 V supply. The device features a Power Control PWM module with 8 channels, a Motion Feedback Module with Quadrature Encoder Interface, a 200 ksps 10-bit ADC, an 8 MHz internal oscillator, LIN-capable USART, and self-programming support. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that executes instructions fetched from on-chip program memory. PIC microcontrollers use a RISC architecture with a single accumulator (WREG) and a Harvard memory structure, placing them in the broader category of microcontrollers -> embedded processors -> semiconductors. The PIC18 family is Microchip's mid-to-high-performance 8-bit line, distinguished from the PIC16 line by 16-bit opcodes, a wider instruction set, and richer peripheral integration for closed-loop control. Key features of the PIC18F2431 include 25 I/O ports, three 16-bit timer/counters, dual analog comparators, a 10-bit ADC with up to 8 input channels, and nanoWatt power management for reduced sleep current. The integrated Power Control PWM module supports complementary outputs with programmable dead-band and hardware fault inputs, which simplifies three-phase motor drive design. The Motion Feedback Module captures quadrature encoder signals in hardware, offloading speed and position calculation from the CPU. Typical applications include sensorless and sensored BLDC motor drives, AC induction motor control, switched-mode power supplies with digital PFC, and industrial automation where deterministic PWM timing is required. The wide operating range of -40C to +85C (industrial) and LIN support suit automotive body and convenience subsystems as well as white goods. When designing with this device, pay close attention to the PWM output mapping and dead-band configuration - the PIC18F2431 and PIC18F4431 share the same peripheral set but differ in pin count (28-pin vs 44-pin). Place a 100 nF decoupling capacitor adjacent to each VDD/VSS pair and follow Microchip AN1078 for sensorless BLDC reference firmware. This page synthesizes distributor pricing, drop-in alternative MPNs from the same PIC18F2x/4x family, and practical design notes not collected in the manufacturer datasheet.

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PIC18F2431T-I/ML - 8-Bit 40MHz MCU, 16KB Flash, 28-QFN | Microchip
PIC18F2431T-I/ML

PIC18F2431T-I/ML - 8-Bit 40MHz MCU, 16KB Flash, 28-QFN | Microchip

The Microchip Technology PIC18F2431T-I/ML is a high-performance 8-bit PIC18 microcontroller with 40 MHz maximum clock speed, 16 KB (8K x 16) of enhanced Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin QFN (6x6 mm) package. The 'T' suffix denotes tape-and-reel packaging and the 'I' grade indicates the industrial temperature range of -40C to +85C. It belongs to Microchip's enhanced PIC18 family that integrates dedicated motor-control peripherals, a 14-bit resolution Power Control PWM module, and a 10-bit A/D converter with up to 9 channels of high-speed analog sampling. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor widely used in embedded control applications. Within the broader taxonomy, PIC18 sits above base-line PIC10/12/16 and below the 16-bit dsPIC and 32-bit PIC32 families, forming the high-end tier of Microchip's 8-bit portfolio. These devices balance deterministic real-time response with low power consumption through Microchip's nanoWatt technology, making them a common choice for cost-sensitive applications requiring on-chip peripherals like PWM, ADC, and communication interfaces. Key features of the PIC18F2431 include 25 general-purpose I/O pins, four timer modules, a 10-bit A/D converter with up to 9 input channels, an enhanced USART, an SPI/I2C-compatible master synchronous serial port, and a high-performance 14-bit PWM with complementary outputs and dead-band control. The 40 MHz internal oscillator supports instruction cycle times as low as 100 ns, while nanoWatt power management provides multiple idle and sleep modes that reduce quiescent current to the microampere range, extending battery life in portable designs. The device integrates Microchip's Power Control PWM (PCPWM) module with three complementary output pairs, fault inputs, and a 14-bit duty-cycle resolution. This dedicated peripheral eliminates the need for external motor-control logic and is one of the differentiators that positions the PIC18F2431 for driving 3-phase brushless DC (BLDC) motors, switched reluctance motors, and uninterruptible power supplies where tight PWM timing is required. Typical applications include 3-phase BLDC motor control, sensorless fan and pump drives, digital switching power supplies, UPS systems, and industrial automation loops. The combination of 16 KB self-programmable Flash, on-chip EEPROM for parameter storage, and 25 I/O pins supports closed-loop control of small motors in white goods, ceiling fans, and small appliances. When designing with this device, ensure the QFN-28 thermal pad is properly soldered to a sufficiently large copper pour to keep junction temperature within the industrial range under full CPU and PWM load. The internal oscillator accuracy of +/-2% is adequate for UART communication at standard baud rates; for higher-precision timing, an external crystal should be added on OSC1/OSC2. This page synthesizes distributor pricing, drop-in alternative candidates, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for sourcing and validating the PIC18F2431T-I/ML.

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PIC18F2431T-I/MM - 40MHz 8-bit MCU 16KB Flash 28-QFN | Microchip
PIC18F2431T-I/MM

PIC18F2431T-I/MM - 40MHz 8-bit MCU 16KB Flash 28-QFN | Microchip

The Microchip PIC18F2431T-I/MM is a high-performance 8-bit RISC PIC microcontroller built on the enhanced PIC18 architecture, delivering up to 10 MIPS at 40 MHz with 16 KB (8K × 16) of Flash program memory and 768 bytes of RAM in a 28-pin QFN-S (6 × 6 mm) package with exposed thermal pad. The device operates from 4.2 V to 5.5 V, integrates a 10-bit A/D converter with up to 9 channels, and includes the nanoWatt Technology power management family. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral set (timers, ADC, communication interfaces). The PIC18F family specifically adds enhanced Flash architecture, hardware multiply, C-friendly instruction set, and 16-bit instruction word. Within the broader semiconductor hierarchy, the PIC18F2431T-I/MM belongs to: microcontroller → 8-bit MCU → Flash MCU → PIC18F enhanced family. It is tailored for sensorless brushless DC motor control and other high-performance embedded applications. Key features include 25 digital I/O pins, four timer modules (Timer0/1/2/3), a 40 MHz internal oscillator, ICSP (In-Circuit Serial Programming) debug support, and the Motion Feedback Module with Power Control PWM, ideal for variable-frequency drives. Its CMOS flash design supports >10,000 erase/write cycles and offers In-Circuit Debug capability via MPLAB ICD tools. The device architecture follows the Harvard model with separate program and data buses, 77 instructions, 8 × 8 hardware multiplier, and 31-level hardware stack. Its nanoWatt power management suite provides multiple idle/sleep modes, enabling ultra-low standby current for battery-aware designs. Typical applications include BLDC motor control (sensorless or hall-sensor commutation), uninterruptible power supplies (UPS), AC induction motor drives, HVAC blowers, and industrial pumps requiring high-speed control loops. Design consideration: The 'T' suffix designates tape and reel packaging; the 'I' after the speed grade indicates the industrial temperature range (-40°C to +85°C); 'MM' is the QFN-S 28-pin package code. This page synthesizes distributor pricing, drop-in alternatives, design notes, and pinout references that complement the Microchip datasheet for engineers specifying PIC18F2431-family parts.

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PIC18F2439-I/SP - 8-bit Motor Control MCU, 12KB Flash | Microchip
PIC18F2439-I/SP

PIC18F2439-I/SP - 8-bit Motor Control MCU, 12KB Flash | Microchip

The Microchip PIC18F2439-I/SP is an 8-bit PIC18 family microcontroller optimized for single-phase induction motor control, integrating 12 KB of Flash program memory, 640 bytes of SRAM, and 256 bytes of EEPROM in a 28-pin SPDIP package. It runs at up to 40 MHz delivering 10 MIPS throughput, operates from 4.2 V to 5.5 V, and exposes 21 digital I/O lines, a 10-bit ADC with multiple channels, two PWM modules, and a dedicated motor-control kernel. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path; the PIC18 family extends Microchip's baseline PIC16 architecture with a 16-bit instruction word, hardware multiplier, and linear (paged) memory map for higher code density. Within the broader taxonomy, the PIC18F2439 belongs to the PIC18F2xxx motor-control sub-family, which itself falls under the PIC18F high-performance group and ultimately under Microchip's 8-bit MCU portfolio. Engineers select this class when deterministic interrupt response, on-chip motor-control peripherals, and C-compiler friendly development outweigh the throughput advantage of 16-bit or 32-bit cores. Key features include the dedicated single-phase induction motor (SPIM) control kernel with auto-commutation, two 10-bit PWM channels with complementary outputs, a 10-bit ADC with 200 ksps conversion rate, nanoWatt power-saving modes, and ICD (In-Circuit Debugger) support. The 28-pin SPDIP package provides through-hole ease-of-prototyping while sharing the same silicon as the SOIC variant, allowing PCB layout reuse for production runs. The PIC18F2439 uses a Harvard RISC architecture with a 16-bit instruction word and an 8-bit data path, achieving most instructions in a single 4-cycle clock. On-chip peripherals are mapped through a linear SFR bank, and self-programming Flash enables in-application firmware upgrades. The motor-control kernel handles back-EMF zero-cross detection and auto-commutation timing in hardware, offloading critical loop tasks from the CPU. Typical applications include single-phase induction motor drives (washing machines, fans, pumps), appliance controls, ceiling-fan regulators, small HVAC blowers, and low-cost variable-speed tools. The wide 4.2 V to 5.5 V supply range allows direct operation from rectified 5 V rails. In production designs, the SOIC variant (PIC18F2439-I/SO) is preferred for SMT assembly while the SPDIP variant is reserved for breadboard and lab prototyping.

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PIC18F2439T-E/SO - 8-bit 12KB Flash MCU Motor Control | Microchip
PIC18F2439T-E/SO

PIC18F2439T-E/SO - 8-bit 12KB Flash MCU Motor Control | Microchip

The Microchip Technology PIC18F2439T-E/SO is an 8-bit enhanced Flash microcontroller in the PIC18F family, integrating 12 KB of Flash program memory (6K x 16), 40 MHz maximum operating frequency, and a sophisticated single-phase induction motor control kernel in a 28-pin SOIC wide-body (7.50 mm) package. The device targets appliance and industrial motor drive designs where deterministic PWM and integrated signal conditioning reduce external component count. What is a PIC18F microcontroller? PIC18F is Microchip's high-performance 8-bit Flash MCU family built on a Harvard RISC architecture with hardware multiplier. PIC18F parts occupy the middle of the 8-bit portfolio between baseline PIC10/12/16 and 16-bit dsPIC33 devices, balancing code density, peripheral integration, and C-compiler friendliness for cost-sensitive real-time control. The PIC18F2439 includes a dedicated Power Control PWM module with up to four PWM outputs, a 10-bit ADC with auto-sampling, a Capture/Compare/PWM (CCP) module, an enhanced USART, and a 4x phase-locked loop option for system clock flexibility. Three power-managed operating modes allow designers to trade switching frequency for quiescent current in standby. Integrated peripherals reduce BOM cost in fan, pump, and single-phase induction motor drive applications. Typical applications include single-phase induction motor control for white goods and HVAC blowers, ceiling fans and pumps, low-cost BLDC driver boards, sensor signal conditioning nodes, and general-purpose industrial control loops requiring deterministic 8-bit performance. When designing with this part, the T-suffix denotes tape-and-reel packaging, the E denotes the extended operating temperature grade (-40C to +125C), and the /SO indicates the 28-pin SOIC footprint. Validate the ICSP programming interface against the chosen in-circuit programmer, and confirm PWM dead-time and ADC acquisition timing against motor commutation requirements. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical motor-control design notes beyond the manufacturer datasheet excerpt.

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PIC18F2439T-I/SO - 12KB Flash 8-bit MCU | Microchip | Motor Control
PIC18F2439T-I/SO

PIC18F2439T-I/SO - 12KB Flash 8-bit MCU | Microchip | Motor Control

The Microchip Technology PIC18F2439T-I/SO is an 8-bit microcontroller from the PIC18 family featuring 12KB of Flash program memory, 640 bytes of RAM, and 256 bytes of EEPROM, all housed in a 28-pin SOIC (SO) wide-body package. It integrates a dedicated single-phase induction motor control kernel, making it purpose-built for variable-frequency drive applications. The 'T' suffix denotes tape-and-reel packaging, and the '-I' industrial temperature grade supports -40C to +85C operation. An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, memory, and peripherals on a single die. The PIC18 family sits in the upper tier of Microchip's 8-bit MCU portfolio, providing an enhanced 16-bit instruction word, linear memory addressing, and C-friendly architecture. The motor-control kernel adds hardware PWM, dead-band control, and phase commutation logic, placing it between a generic MCU and a dedicated motor-control DSP in capability. Key features include a maximum CPU clock of 40 MHz (10 MIPS), 21 general-purpose digital I/O pins, a 10-bit ADC with up to 5 channels, enhanced PWM with up to 3 channels, and a dedicated power-control PWM module. Communication peripherals include I2C, SPI, and USART (RS-485/RS-232 LIN support). The Capture/Compare/PWM (CCP) and Enhanced CCP modules deliver hardware dead-band generation ideal for half-bridge drives. Typical applications include single-phase induction motor drives, fan and pump controllers, washing-machine universal motor control, small appliance variable-speed drives, ceiling-fan controllers, and HVAC blower control. The integrated motor-control peripheral reduces firmware complexity and BOM cost by replacing external gate-driver timing logic. When designing with this part, ensure your firmware initializes the motor-control kernel registers correctly and that the brown-out reset voltage is configured for your power-rail characteristics. The wide-body SOIC package provides adequate thermal performance for industrial enclosures, but PCB layout must respect the analog and digital ground separation recommended in the datasheet.

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PIC18F2450-I/ML - 8-bit USB MCU 16KB Flash 28-QFN | Microchip
PIC18F2450-I/ML

PIC18F2450-I/ML - 8-bit USB MCU 16KB Flash 28-QFN | Microchip

The Microchip Technology PIC18F2450-I/ML is an 8-bit PIC18 microcontroller with integrated Full-Speed USB 2.0 (12 Mbit/s) interface, 16 KB Enhanced Flash program memory, 768 bytes SRAM, and 256 bytes EEPROM, housed in a 28-pin QFN (6x6 mm) package. The 'I' suffix denotes the industrial temperature grade (-40C to +85C), and '/ML' designates the ML package code (QFN-28 with thermal pad). Operating voltage is 4.2V to 5.5V (standard F variant) at up to 48 MHz oscillator (12 MIPS CPU throughput), with on-chip Full-Speed USB transceiver eliminating external USB chips. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM/EEPROM), and programmable peripherals. The PIC18F family uses Microchip's enhanced 8-bit RISC architecture with 16-bit-wide instructions and Harvard memory organization, occupying the price/performance sweet spot for embedded control. Within that family, the PIC18F2450 adds a hardware USB 2.0 Full-Speed transceiver plus SIE (Serial Interface Engine), which is why engineers choose it for compact, single-chip USB peripherals such as HID-class input devices, CDC virtual COM ports, and USB firmware bootloaders. Key features include 23 digital I/O pins, nanoWatt power management with multiple sleep modes, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, a 10-bit ADC with up to 13 input channels, a USART with enhanced address detection, an MSSP port for SPI/I2C master-slave operation, and on-chip 3.3V regulator for USB PHY supply. The 28-QFN package enables compact PCB layouts and provides a thermal pad for improved heat spreading during sustained USB VBUS-powered operation. The PIC18F2450 uses a 16-bit modified Harvard core with 8-bit data path, executing most instructions in one oscillator cycle (4-clock pipeline). The Enhanced Flash memory supports self-programming, enabling USB-based in-application firmware upgrades - the part can reflash itself without external programmer by enumerating as a USB HID class bootloader. Twelve oscillator modes (including HS, XT, LP, RC, INTIO, and PLL) plus the USB-specific 96 MHz PLL (48 MHz bus from a 4/8/16/20/24/40 MHz crystal) provide flexible clocking. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridge dongles (CDC virtual COM), low-cost USB development boards (compatible with PICDEM FS USB), USB-bootloader field-upgradable appliances, sensor interfaces that stream over USB, and consumer toys/printers/scanners where a USB cable is the only wired interface. The industrial temperature grade supports factory automation and outdoor industrial equipment. Design considerations: route the 48 MHz USB clock trace as a short, impedance-controlled 50-ohm microstrip over a continuous ground plane; place the VBUS decoupling capacitor as close as possible to pin 14; ensure the D+/D- traces are matched length and differential-90-ohm impedance per USB 2.0 FS specification; connect the exposed thermal pad to a solid ground pour for thermal relief and ground reference. The internal 3.3V USB regulator must have 220 nF + 470 nF ceramic caps on its output per the manufacturer datasheet. This page synthesizes distributor pricing, drop-in QFN-28 alternatives from Microchip's broader PIC18F USB family, and practical PCB design notes not aggregated on any single manufacturer or distributor page.

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PIC18F2450-I/SO - 48MHz 8-bit USB MCU, 16KB Flash | Microchip
PIC18F2450-I/SO

PIC18F2450-I/SO - 48MHz 8-bit USB MCU, 16KB Flash | Microchip

The Microchip Technology PIC18F2450-I/SO is an 8-bit PIC18 microcontroller featuring an integrated Full-Speed USB 2.0 (12 Mbit/s) interface, 16 KB of Enhanced Flash program memory, 768 bytes of RAM, and a 48 MHz internal oscillator that delivers up to 12 MIPS of CPU throughput. The device is offered in a 28-pin SOIC (SO) package and is designed for compact, single-chip embedded USB applications. An 8-bit microcontroller (MCU) is a programmable processor with an internal data path of 8 bits, well suited for control-oriented tasks that mix digital I/O, analog sensing, and protocol handling. Within the broader taxonomy, the PIC18F2450 belongs to the PIC18 family of microcontrollers, which in turn sits inside the Microchip MCU portfolio alongside PIC16, PIC24, dsPIC, and PIC32 architectures. It is a member of the USB-capable PIC18F2x50/4x50 sub-family, which adds an on-chip USB 2.0 Full-Speed peripheral and SIE (Serial Interface Engine) that would otherwise require an external chip. Key specifications include a 4.2 V to 5.5 V supply range (standard F-variant), 10-bit ADC with up to 9 input channels, 23 digital I/O pins, a USART, an MSSP (SPI/I2C) module, two 8-bit timers plus one 16-bit timer, a 256-byte dual-port RAM buffer dedicated to USB traffic, and nanoWatt power-management technology for low-power operation. The Enhanced Flash cell supports self-programming, which allows firmware upgrades in place over the USB bus without an external programmer. Technically, the PIC18F2450 uses a Harvard RISC architecture with a 16-bit instruction word, an 8-level hardware stack, and 31 interrupt sources. The USB SIE handles framing, CRC, packet ID, and address detection in hardware, freeing the CPU from low-level USB bit-banging. Code-protect and read-protect bits are supported on Flash and EEPROM regions to safeguard IP. Typical applications include USB HID peripherals such as custom input devices, USB-to-UART bridges, CDC-class USB nodes, low-cost USB data loggers, sensor readouts with a USB interface, and educational/professional hobby projects. The integrated USB makes the part attractive when PCB area or BOM cost must be minimized. When designing with this device, ensure the USB D+/D- lines are routed as a 90-ohm differential pair with the proper characteristic impedance, and place the required clock-source decoupling within a few millimeters of the VDD pins. Designers should also budget for the 256-byte USB dual-port RAM region, which sits inside the general-purpose RAM map. This page synthesizes distributor pricing for PIC18F2450-I/SO, its drop-in same-package alternatives, application examples, and design notes that complement the official Microchip datasheet 39760d.

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