Microcontroladores

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PIC18C801T-I/PT - 8-Bit 25MHz ROMless MCU 80-TQFP | Microchip
PIC18C801T-I/PT

PIC18C801T-I/PT - 8-Bit 25MHz ROMless MCU 80-TQFP | Microchip

The Microchip Technology PIC18C801T-I/PT is a member of the PIC18C family of 8-bit RISC microcontrollers supplied in an 80-pin TQFP (12x12 mm) surface-mount package. It executes instructions at up to 25 MHz from external memory, integrates 1536 bytes of on-chip RAM (1.5K x 8), and supports up to 37 digital I/O pins through four 8-bit I/O ports. As a ROMless device, the PIC18C801 executes application code from an external program memory, enabling designers to use the largest possible firmware images and to perform in-system updates without OTP/Flash programming. A microcontroller (MCU) is a single-chip computer containing a processor core, RAM, peripherals, and in some variants non-volatile program storage. ROMless MCUs are a subset in which the CPU and SRAM are integrated on-die but the program memory is external. This architecture sits within the broader taxonomy of embedded microcontrollers -> microcontrollers -> microcontrollers -> 8-bit microcontrollers -> semiconductor ICs, and is typically chosen when a design needs maximum program memory flexibility, real-time field-software updates, or larger code spaces than what internal flash provides. Key features include the PIC18 RISC instruction set architecture with single-cycle execution for most instructions, 25 MHz maximum clock for 10 MIPS throughput, 1536-byte general-purpose RAM, 37 I/O lines, an industrial-grade -40C to +85C operating range (I-suffix), and 5V operating voltage. The wide 16-bit instruction word simplifies C-compiler code generation, and the Harvard bus architecture separates program and data paths for deterministic interrupt response. The PIC18C801 is built on an enhanced PIC18 core using a 16-bit instruction word, four 8-bit ports (PORTA-PORTD), and configurable peripheral subsystems. ROMless operation means firmware is fetched from outside the chip, which simplifies field upgrades and lets designers target a single MCU across product variants that share external memory but differ in firmware. The device supports standard PIC18 peripherals including timers, capture/compare/PWM, USART, and an external memory interface. Typical applications include industrial automation controllers, embedded data-acquisition front-ends, legacy PIC18C migration designs, large-code-space control systems, and external-memory-based firmware platforms. It is well suited to designs where 5V-tolerant I/O and PIC18 tool-chain compatibility are required. For new designs the flash-based PIC18F equivalents are generally recommended; the PIC18C801 remains relevant for 5V systems, external-memory architectures, and long-lifecycle industrial equipment. When designing with this device, plan for external program memory (e.g., EPROM/Flash), an external memory interface glue-logic budget if needed, and decoupling on each VDD/VSS pair. The 80-pin TQFP package requires a 12x12 mm PCB land pattern and standard JEDEC reflow profile. This page consolidates distributor pricing, drop-in compatible PIC18C801 variants, and 80-TQFP design notes not presented together in any single distributor or manufacturer page. Where distributor snippets are used verbatim (e.g., pin counts and RAM size) we cite the source directly.

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PIC18C858-E/PT - 8-bit PIC MCU, 32KB EPROM, CAN, 80-TQFP
PIC18C858-E/PT

PIC18C858-E/PT - 8-bit PIC MCU, 32KB EPROM, CAN, 80-TQFP

The Microchip Technology PIC18C858-E/PT is a high-performance 8-bit RISC microcontroller from the PIC18C family, featuring 32 KB of on-chip EPROM program memory and 1536 bytes of RAM in an 80-pin TQFP package (PT suffix). It integrates an integrated CAN 2.0B module, 68 digital I/O pins, a 10-bit ADC, multiple timers, and the enhanced PIC18 instruction set with C-compiler optimized architecture. The device operates from a single 5V supply across the extended industrial temperature range of -40C to +125C, making it suitable for ruggedized and automotive-grade designs. A PIC18C-series microcontroller is a one-time-programmable (OTP) 8-bit MCU built on Microchip's Harvard RISC architecture, designed to deliver deterministic real-time performance for embedded control applications. PIC18C devices occupy the mid-tier of the PIC18 family, above the baseline PIC16 line, with a richer peripheral set, linear memory addressing up to 32 KB, and the C-friendly instruction set that simplifies code generation for compiler-driven projects. Key features of the PIC18C858 include linear program memory addressing to 32 KB, linear data memory addressing to 4 KB, hardware CAN 2.0B controller with acceptance filters, USART, MSSP (SPI/I2C), 10-bit multi-channel ADC, multiple 8/16-bit timers, and 68 bidirectional I/O lines. The integrated CAN bus interface and large pin count make it especially well suited to industrial networked control applications. Architecturally, the PIC18C858 leverages a 16-bit instruction word with 8-bit data paths, an 8-level hardware stack, and Microchip's classic two-stage pipeline. The CAN module is a full CAN 2.0B controller supporting standard and extended identifiers, acceptance masks/filters, and bus error counters - features that historically made this part a workhorse for automotive body and chassis networks. Typical applications include automotive body and chassis controllers (CAN nodes), industrial automation, HVAC control, security alarm panels, networked sensor hubs, and embedded control systems requiring on-chip CAN. Designers migrate to newer PIC18F parts when flash-based reprogrammability is required. The Microchip product page recommends the PIC18F8525 as a modern flash-based alternative. A key design tip: because the PIC18C858 is OTP, use an EPROM-emulation windowed device or a flash-based sibling (e.g., PIC18F858) for prototype development, and reserve OTP production units for the final committed code. Always honor the Vpp high-voltage programming pin sequencing to avoid unintended reset into programming mode. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on any single distributor or manufacturer page.

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PIC18C858-I/PT - 8-bit 40MHz 32KB EPROM MCU w/ CAN | Microchip
PIC18C858-I/PT

PIC18C858-I/PT - 8-bit 40MHz 32KB EPROM MCU w/ CAN | Microchip

The Microchip Technology PIC18C858-I/PT is a high-performance 8-bit RISC microcontroller from the PIC18C family featuring an integrated CAN (Controller Area Network) module, 32KB of on-chip EPROM program memory organized as 16K x 16, and 1.5KB of on-chip RAM. It operates with a maximum core clock speed of 40MHz, supports 68 I/O pins, and is housed in an 80-pin TQFP (PT) surface-mount package. The part runs on a 4.2V to 5.5V supply and is rated for the industrial temperature grade of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and programmable I/O peripherals. The PIC18C family uses Microchip's enhanced 8-bit RISC architecture with C-compiler-optimized instruction set, linear program memory addressing up to 32 Kbytes, and linear data memory addressing up to 4 Kbytes, making it suitable for embedded control applications that need deterministic real-time response. Key features of the PIC18C858-I/PT include a 10-bit Analog-to-Digital Converter (ADC) with multiple input channels, an integrated CAN 2.0B module for automotive and industrial networking, USART, MSSP (SPI/I2C), and capture/compare/PWM peripherals. Its 40MHz clock delivers up to 10 MIPS of processing throughput, and the 68 I/O pins give designers ample headroom for keypad, LCD, sensor, and actuator interfaces. Architecturally, the PIC18C858 uses Harvard bus architecture with separate program and data paths, an 8-bit data path, and a 16-bit instruction word. This separation allows simultaneous instruction fetch and data access, eliminating the von Neumann bottleneck. The integrated CAN peripheral provides hardware message filtering and acceptance masks, freeing the CPU from bit-stuffing tasks. Typical applications include industrial automation controllers, automotive body and chassis ECUs, CAN-based sensor networks, building automation gateways, and embedded control systems that benefit from the integrated CAN bus. The wide operating voltage range and industrial temperature grade also support process-control installations and HVAC controllers. When designing with this device, remember that the PIC18C858 is built on EPROM (erasable programmable read-only memory) technology and is one-time programmable (OTP) in production. The part is marked Not Recommended for new designs by Microchip, so consider flash-based successors like the PIC18F8525 for new development. Engineers should verify the ICSP programming interface and oscillator startup timing during bring-up.

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PIC18C858T-E/L - 8-Bit 32KB OTP MCU w/ CAN, 84-PLCC | Microchip
PIC18C858T-E/L

PIC18C858T-E/L - 8-Bit 32KB OTP MCU w/ CAN, 84-PLCC | Microchip

The Microchip Technology PIC18C858T-E/L is a high-performance 8-bit microcontroller with 32KB of One-Time Programmable (OTP) program memory, organized as 16K x 16 words, integrated into an 84-pin PLCC package with J-leads. It operates from a 5V supply, runs at 40 MHz, and was designed as a C-compiler-optimized architecture with linear program memory addressing up to 32 Kbytes and linear data memory addressing up to 4 Kbytes, targeting embedded systems with on-chip CAN connectivity. Background: PIC18C-series microcontrollers belong to the 8-bit microcontroller family built on a Harvard RISC architecture. They sit below 16-bit dsPIC and 32-bit MCU families in the embedded hierarchy, and the PIC18C line was Microchip's first 8-bit family with built-in CAN 2.0B and a C-friendly instruction set. Engineers historically chose PIC18C parts for high-pin-count industrial and automotive networking designs where on-chip CAN replaced an external controller and the 32KB OTP program space allowed moderate firmware size without external memory. Key features include 32KB (16K x 16) on-chip OTP program memory, 4 Kbytes of linear data memory, 10-bit analog-to-digital conversion peripherals, on-chip CAN module, USART, I2C/SPI, capture/compare/PWM modules, and an extended -40C to +125C operating temperature range designated by the "E" suffix. The "T" suffix indicates tape-and-reel packaging, while "/L" denotes the 84-pin PLCC (J-lead) form factor. Typical applications include industrial CAN-node controllers, automotive body and chassis networking, sensor hubs, building automation, embedded control with on-chip ADC, and legacy designs originally architected around the PIC18C family. The high pin count supports external memory and parallel bus expansion. When designing with this part, note that PIC18C858 OTP parts cannot be reprogrammed in-circuit beyond the OTP window; a windowed ceramic EPROM version is required for development iteration. Verify all timing, supply, and CAN-bus electrical parameters against the manufacturer datasheet before production release. This page synthesizes distributor pricing snapshots, drop-in same-brand and cross-brand alternatives in the 84-PLCC footprint, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate sourcing risk and migration paths for this legacy Microchip part.

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PIC18C858T-E/PT - 8-Bit MCU, 32KB OTP, CAN 80-TQFP | Microchip
PIC18C858T-E/PT

PIC18C858T-E/PT - 8-Bit MCU, 32KB OTP, CAN 80-TQFP | Microchip

The Microchip Technology PIC18C858T-E/PT is an 8-bit PIC18C-series microcontroller built around an enhanced RISC architecture and integrated CAN module, delivered in a 80-pin TQFP (12x12 mm) package with 68 configurable I/O pins. It operates up to 40 MHz (10 MIPS), integrates 32 KB of OTP program memory (16K x 16 words) and 1.5 KB of general-purpose RAM, and supports linear program memory addressing up to 32 Kbytes and linear data memory up to 4 Kbytes. The automotive-grade (-E, -40 C to +125 C) suffix designates this part for harsh-environment applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripherals on one die. Within the taxonomy, an MCU belongs to microcontrollers -> embedded controllers -> microprocessors -> integrated circuits -> semiconductors. The PIC18C family specifically represents Microchip's high-performance 8-bit line with C-optimized instruction set, where PIC18C858 sits at the high-pin-count (80-pin) end of the spectrum, designed for CAN-connected industrial and automotive body/comfort modules. Key features include integrated CAN 2.0B controller, USART, MSSP (SPI/I2C), 8-channel 10-bit ADC, capture/compare/PWM modules, and a wide 2.5V-5.5V operating range. The OTP program memory (One-Time-Programmable) is suitable for high-volume production where firmware is finalized and code-update isn't required. The 40 MHz clock delivers 10 MIPS instruction throughput, sufficient for real-time CAN node and motor-control loops. The device uses a Harvard-architecture RISC core with separate code and data buses, enabling 2-cycle instruction execution and predictable interrupt latency. The high I/O count (68 pins) supports parallel HMI panels, multiple sensor inputs, and simultaneous communication buses (CAN + SPI + I2C + USART) without external bus expanders. Typical applications include automotive body controllers (CAN nodes), industrial automation modules, building HVAC controllers, and CAN-based sensor networks. The OTP memory suits high-volume OEM lines that ship identical firmware; for field-upgradeable applications, designers should evaluate PIC18F-series flash replacements such as PIC18F8525. When designing with PIC18C858T-E/PT, verify the OTP memory constraint against firmware-revision strategy - this part is not user-reprogrammable. Cross-reference Microchip's PIC18F8525 as the modern flash equivalent for new designs. Always use Microchip's ICD2/ICD3 in-circuit debugger with appropriate header for development before committing to OTP production. This page synthesizes distributor pricing, drop-in drop-in alternatives from the same PIC18C family and PIC18F-series flash successors, and practical design notes not found in the manufacturer datasheet alone.

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PIC18C858T-I/L - 8-Bit 40MHz 32KB OTP MCU 84-PLCC | PIC18C Series
PIC18C858T-I/L

PIC18C858T-I/L - 8-Bit 40MHz 32KB OTP MCU 84-PLCC | PIC18C Series

The Microchip Technology PIC18C858T-I/L is an 8-bit PIC18C-series microcontroller integrating 32KB of One-Time-Programmable (OTP) program memory, configurable as 16K x 16 instructions, and 1.5KB of general-purpose RAM, housed in an 84-pin PLCC (J-Lead) package with a maximum operating frequency of 40MHz at 5V. What is a PIC18C-series microcontroller? The PIC18C is an early high-performance 8-bit MCU family in Microchip's PIC18 lineage, combining a RISC Harvard architecture with on-chip CAN, EPROM/OTP program memory, and rich peripherals such as PWM, USART, A/D converter, Brown-out Reset (BOR), Low-Voltage Detect (LVD), and Power-On Reset (POR). It sits in the PIC taxonomy as: PIC18C -> PIC18 family -> PIC microcontrollers -> 8-bit MCU -> microcontroller -> embedded IC. This hierarchy makes the PIC18C858T-I/L a canonical high-performance, CAN-enabled 8-bit controller for industrial embedded designs. Key features include 32KB OTP program memory (16K x 16 words), 1.5KB on-chip RAM, an integrated CAN 2.0A/B module for automotive and industrial networking, a 10-bit multi-channel A/D converter, up to 16K words of program addressing space, and a wide operating voltage range typical of the family. Peripherals include a Watchdog Timer (WDT), PWM modules, USART, and parallel slave port. The 'T' suffix denotes Tape & Reel packaging and 'I' indicates the industrial temperature grade. Architecturally, the device uses an enhanced Harvard CPU with a 16-bit instruction word and 8-bit data path, eight-level deep hardware stack, and DC-40MHz clock input. The PIC18C858 is the higher-memory variant of the PIC18C family (alongside PIC18C658 and PIC18C452), targeting CAN-based distributed control and instrumentation systems. Note: the PIC18C858T-I/L is now a legacy/obsolete part - Microchip recommends PIC18F8525 as the modern successor with Flash memory and CAN. Typical applications include industrial CAN nodes, automotive body and chassis ECUs, HVAC controllers, building automation, security and access control panels, and legacy embedded control systems that require deterministic 8-bit processing with on-chip networking. It is also suited for sensor hubs and motor control where the integrated A/D and PWM peripherals reduce external component count. When designing with this part, account for OTP memory constraints (one-time programmable, not re-programmable in-circuit like Flash), ensure correct decoupling on VDD/VSS pairs, and verify the 84-pin PLCC land pattern against current PCB library footprints. For new designs, evaluate the Flash-based PIC18F8525 successor first to avoid OTP one-shot programming risk in production.

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PIC18C858T-I/PT - 8-Bit 40MHz 32KB OTP MCU with CAN | Microchip
PIC18C858T-I/PT

PIC18C858T-I/PT - 8-Bit 40MHz 32KB OTP MCU with CAN | Microchip

The Microchip Technology PIC18C858T-I/PT is an 8-bit RISC microcontroller with 32KB of One-Time Programmable (OTP) program memory, integrated CAN module, and 4KB of linear data memory addressing, packaged in an 80-pin TQFP (12x12 mm) for industrial temperature grade applications. It executes instructions at up to 40 MHz (10 MIPS) and operates from a 5V supply, drawing on Microchip's C-compiler-optimized PIC18 architecture. An 8-bit MCU (microcontroller unit) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, peripherals, and I/O on one silicon die. The PIC18 family is the high-end 8-bit line of Microchip's PIC architecture and sits within the broader hierarchy: PIC18C -> PIC18 -> PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. The 'C' family specifically denotes the OTP EPROM-based legacy line, which has since been largely replaced by flash-based PIC18F parts but is still sought for legacy designs and long-lifecycle industrial systems. Key features include 32KB (16K x 16) of EPROM program memory, 4KB of linear data memory addressing, an integrated CAN 2.0B peripheral for automotive and industrial networking, multiple timers, USART, I2C/SPI, and 10-bit ADC channels. The TQFP-80 package provides 69 I/O pins across 11 ports, supporting parallel expansion interfaces and external memory buses typical of CAN-equipped industrial nodes. The PIC18C858T-I uses an enhanced Harvard architecture with separate program and data buses, a hardware multiplier, and a 16-bit instruction word. Its CAN peripheral supports standard and extended frames, making it suitable for protocols such as CANopen and DeviceNet used in factory automation. The 40 MHz clock yields a 100 ns instruction cycle and supports C-optimized code generation. Typical applications include industrial CAN nodes (sensor hubs, motor controllers), automotive body controllers, building automation gateways, and embedded control boards that need a deterministic 8-bit core with on-chip CAN. The wide operating temperature range (-40C to +85C industrial grade) supports factory floor and outdoor cabinet installations. When designing with this part, note that PIC18C devices use OTP EPROM, not flash - firmware cannot be reprogrammed in-circuit. Plan for code-stable designs or migration to the recommended PIC18F8525 (per Microchip's own product page notice). Use the ICD-2 or compatible in-circuit debugger during development before committing code to OTP. This page synthesizes distributor availability, current pricing tiers, parametric cross-references, and design notes not consolidated in the manufacturer datasheet alone.

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PIC18F04Q40-I/SL - 8-bit MCU 64MHz 16KB Flash 14-SOIC | Microchip
PIC18F04Q40-I/SL

PIC18F04Q40-I/SL - 8-bit MCU 64MHz 16KB Flash 14-SOIC | Microchip

The Microchip Technology PIC18F04Q40-I/SL is an 8-bit PIC microcontroller operating at up to 64 MHz with 16 KB of Flash program memory, 1 KB of SRAM and 512 bytes of EEPROM in a 14-pin SOIC package. The -I temperature grade supports industrial -40 °C to +85 °C operation, and the device belongs to the PIC18-Q40 family of compact, high-performance MCUs with advanced analog peripherals for sensor and real-time control. A PIC microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, RAM, EEPROM, peripherals and I/O on one die. PIC18 devices use an enhanced 8-bit Harvard RISC architecture with 16-bit instructions, sitting in the Microchip taxonomy between PIC16 mid-range parts and PIC24/dsPIC 16-bit devices. The PIC18-Q40 sub-family targets space-constrained IoT, medical and industrial designs that need higher analog integration than PIC16 provides but do not require dsPIC DSP performance. Key features of the PIC18F04Q40-I/SL include a 12-bit ADC with Computation (ADCC) that automates Capacitive Voltage Divider (CVD) techniques for advanced capacitive touch, averaging, filtering, oversampling and threshold comparison; two independent 8-bit DAC modules; a 16-bit Pulse-Width Modulation (PWM) peripheral with dual independent outputs on the same time base; and multiple communication interfaces (UART with LIN/DMX/DALI support, SPI and I2C). The 14-SOIC package exposes up to 12 I/O pins, the device runs from 1.8 V to 5.5 V, and integrated Core Independent Peripherals (CIPs) such as configurable logic cells and signal measurement timers offload tasks from the core. Architecturally, the part uses Microchip's enhanced mid-range PIC18 core with a 31-level hardware stack, single-cycle 8x8 hardware multiplier and a four-phase PLL that doubles an internal 32 MHz oscillator to 64 MHz. The 12-bit ADCC can sample at hundreds of ksps while running automated post-processing, reducing firmware burden for touch and sensor applications. Vectored interrupts with fixed latency and a system bus arbiter with DMA capabilities keep real-time control loops deterministic. Typical applications include capacitive touch user interfaces, LED driving with the 16-bit PWM, low-cost sensor nodes for IoT, battery-powered medical wearables, and small industrial control boards. The PIC18F04Q40-I/SL is well suited when a system needs touch sensing, an integrated DAC for set-point generation, and fast deterministic control loops in a 14-pin outline. When designing with this MCU, plan for an external decoupling capacitor on VDD and reserve the ICSP/ICD pins (typically RA0/RA1) for in-circuit programming. The ADCC's CVD touch library from Microchip streamlines capacitive button and slider implementation but requires careful PCB guard layout to avoid false triggers. The MCU's nanoWatt XLP technology extends sleep current well below 1 uA for battery applications. This page synthesizes distributor pricing, drop-in package-compatible alternatives from the same PIC18-Q40 family, and practical design notes not found in the standalone manufacturer datasheet, helping procurement and embedded engineers select, qualify and source the PIC18F04Q40-I/SL efficiently.

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PIC18F04Q40-I/ST - 16KB Flash, 12b ADC2 8-bit MCU | Microchip
PIC18F04Q40-I/ST

PIC18F04Q40-I/ST - 16KB Flash, 12b ADC2 8-bit MCU | Microchip

The Microchip Technology PIC18F04Q40-I/ST is a compact 8-bit PIC18 microcontroller featuring 16 KB of Flash program memory, 1 KB of SRAM, and 512 bytes of EEPROM, operating at up to 64 MHz from a 1.8 V to 5.5 V supply, housed in a 14-pin TSSOP package. Its integrated 12-bit ADC with Computation (ADCC) supports Capacitive Voltage Divider (CVD) techniques for advanced touch sensing, while two 8-bit DAC modules, a 16-bit PWM with complementary outputs, and configurable logic cells enable flexible signal generation and control. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals designed to execute embedded control tasks. PIC18 microcontrollers sit in the 8-bit RISC family hierarchy (PIC10/12/16/18), under the broader microcontroller taxonomy (microcontroller -> embedded controller -> semiconductor IC). The Q40 sub-family emphasizes analog-rich real-time control with hardware-accelerated touch, mixed-signal conditioning, and Core Independent Peripherals (CIPs) that offload tasks from the CPU. Key features include 16 KB self-programmable Flash with block code access (Ind code access, the 16 KB Flash and 1 KB SRAM are accessible via a single linear address space; no paging is required for typical C applications, simplifying code development. The 12-bit ADCC delivers up to 130 ksps conversion rate with automated averaging, oversampling, and threshold comparison, reducing firmware overhead for sensor processing. A 16-bit PWM with multiple complementary outputs supports motor drive and power-conversion topologies. The 14-pin TSSOP package offers small board footprint with 12 available I/O pins, while the industrial -40 °C to +85 °C operating range suits harsh environments. Technical depth: the ADCC integrates a 12-bit differential SAR converter with computation features for hardware averaging and threshold detection, allowing touch and sensor signal chains to run autonomously. Configurable Logic Cells (CLC) and the 16-bit PWM complement the timer/Capture/Compare/PWM modules, providing flexible waveform generation. The device supports MPLAB X IDE programming with the XC8 compiler. Typical applications include capacitive touch user interfaces, low-cost sensor signal conditioning, small motor or fan control, LED lighting control with dimming, and battery-powered IoT endpoints where low power and integrated peripherals reduce BOM. When designing, allocate adequate decoupling (100 nF plus bulk) near VDD pins and follow Microchip's recommended PCB layout for mixed-signal grounding to preserve ADC accuracy. The TSSOP's exposed thermal behavior allows continuous 64 MHz operation without heatsinking at typical industrial loads. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated on any single distributor page, providing a faster procurement and engineering reference for the PIC18F04Q40 family.

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PIC18F04Q40T-I/SL - 8-Bit MCU, 16KB Flash, 64MHz, 14-SOIC | Microchip
PIC18F04Q40T-I/SL

PIC18F04Q40T-I/SL - 8-Bit MCU, 16KB Flash, 64MHz, 14-SOIC | Microchip

The Microchip Technology PIC18F04Q40T-I/SL is an 8-bit PIC18 microcontroller with 16KB Flash, 1KB RAM, 512 bytes EEPROM, 12-bit ADC with Computation (ADCC), two 8-bit DACs, and 16-bit PWM, housed in a 14-pin SOIC package. It operates up to 64MHz from 1.8V to 5.5V across the -40C to +85C industrial range. An 8-bit microcontroller (MCU) is a programmable logic device that executes instructions from on-chip Flash memory using an 8-bit data path, peripherals, and interrupt logic. MCUs sit within the embedded-computing hierarchy as small, low-cost compute engines used for sensor interfaces, real-time control loops, and human-machine interface tasks. The PIC18 family specifically targets deterministic, low-power control applications where interrupt latency and instruction-set simplicity matter more than raw computational throughput. The PIC18F04Q40 introduces the Q40 generation with an analog-centric architecture aimed at sensor and real-time control. Key features include a 12-bit Analog-to-Digital Converter with Computation (ADCC) that automates Capacitive Voltage Divider (CVD) techniques for advanced capacitive touch sensing, averaging, filtering, oversampling, and threshold comparison. Two 8-bit Digital-to-Analog Converter (DAC) modules, a 16-bit Pulse-Width Modulation (PWM) with complementary outputs, and Core Independent Peripherals (CIPs) reduce CPU overhead. The 64MHz internal oscillator and 12 I/O pins provide ample headroom for typical sensor-interface designs in a 14-pin footprint. Architecture-wise, the PIC18F04Q40 uses an enhanced Harvard architecture with separate program and data buses, a 16-bit instruction word, and a deterministic interrupt controller. The ADCC peripheral performs analog math in hardware, freeing the CPU for application logic. Device programmers can use MPLAB X IDE with XC8 compiler and the MPLAB Code Configurator (MCC) to initialize peripherals graphically, accelerating development. Typical applications include capacitive touch user interfaces, LED lighting control with 16-bit PWM dimming, battery-powered sensor nodes with sleep current in the nanoamp range, motor control loops leveraging the complementary PWM outputs, and small appliance control panels. The 12-bit ADCC and 8-bit DACs allow direct interfaces to analog sensors and analog actuators without external converters. Designers should route the ICSP dedicated signals (PGD/PGC) directly to an in-circuit programming header and ensure VDDCORE decoupling is sized per the datasheet for reliable operation across the 1.8V to 5.5V VDD range. Brown-out Reset configuration is critical at the lower end of the voltage range to prevent Flash corruption during supply dips. This page synthesizes Microchip datasheet specifications, distributor pricing, same-family drop-in alternatives, and design notes not collated in the manufacturer's datasheet, helping engineers select, source, and design with this MCU efficiently.

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PIC18F04Q40T-I/ST - 8-Bit 64MHz 16KB FLASH MCU | Microchip | 14-TSSOP
PIC18F04Q40T-I/ST

PIC18F04Q40T-I/ST - 8-Bit 64MHz 16KB FLASH MCU | Microchip | 14-TSSOP

The Microchip Technology PIC18F04Q40T-I/ST is an 8-bit PIC18 microcontroller IC operating at up to 64MHz, integrating 16KB (16K x 8) of FLASH program memory in a 14-pin TSSOP package. It is part of the PIC18-Q40 family, designed for compact, high-performance sensor and real-time control applications, and features 1KB SRAM, 512 bytes EEPROM, and an integrated 12-bit ADC with Computation (ADCC) plus two 8-bit DAC modules. A PIC microcontroller is a compact, low-cost, programmable integrated circuit that combines a CPU core, non-volatile program memory (FLASH), volatile data memory (SRAM), and a rich set of on-chip peripherals (ADC, timers, communication interfaces). PIC microcontrollers sit within the microcontroller family, which itself is a sub-category of microcomputers and, more broadly, embedded processors. The PIC18 architecture is Microchip's enhanced 8-bit core with a 16-bit instruction word, supporting linear memory access and a C-friendly instruction set, making it suitable for both assembly and C development using MPLAB X IDE and the XC8 compiler. Key features of the PIC18F04Q40T-I/ST include the 12-bit ADCC with automated Capacitive Voltage Divider (CVD) techniques for advanced capacitive touch sensing, averaging, filtering, oversampling, and threshold comparison. It also integrates two 8-bit DAC modules, a 16-bit Pulse-Width Modulation (PWM) peripheral with multiple independent outputs, Direct Memory Access (DMA), and Peripheral Pin Select (PPS) for flexible signal routing. Communication interfaces include UART, SPI, and I2C, and the device supports a wide operating voltage range with ultra-low-power sleep modes. The PIC18-Q40 family combines high-performance analog peripherals with deterministic real-time control capability. The PPS feature allows remapping of digital peripheral functions onto a wide range of I/O pins, simplifying PCB layout. DMA offloads data movement from the CPU, improving throughput for ADC, PWM, and communication tasks, which is particularly valuable in motor control, lighting, and power-conversion loops. Typical applications for the PIC18F04Q40T-I/ST include capacitive touch user interfaces, LED lighting control, sensor signal conditioning, low-cost motor control, and IoT edge nodes. The integrated ADCC with CVD is optimized for touch buttons, sliders, and proximity sensing, removing the need for an external touch controller. When designing with this device, allocate sufficient decoupling (100nF plus 1uF bulk) close to VDD and ensure unused I/O pins are configured as outputs low or inputs with internal pull-ups disabled to minimize current draw. PPS mappings must be unlocked before reprogramming on each reset to avoid lockout conditions.

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PIC18F04Q41-E/SL - 16KB Flash 8-bit MCU | Microchip
PIC18F04Q41-E/SL

PIC18F04Q41-E/SL - 16KB Flash 8-bit MCU | Microchip

The Microchip Technology PIC18F04Q41-E/SL is an 8-bit PIC18 microcontroller featuring 16KB of Flash program memory, 1KB of SRAM, and 512 bytes of EEPROM, operating at up to 64 MHz in a 14-pin SOIC package. The device is part of the PIC18-Q41 family, which targets compact, high-performance sensor and real-time control applications with advanced on-chip analog peripherals. A PIC18 microcontroller is an 8-bit reduced instruction set computer (RISC) MCU based on Microchip's enhanced Harvard architecture. The PIC18 family sits within the hierarchy of microcontrollers -> 8-bit microcontrollers -> embedded controllers -> integrated circuits, and is widely deployed across industrial, consumer, and IoT applications where deterministic real-time performance and low power are essential. The Q41 sub-family extends this legacy with integrated analog intelligence previously requiring external op-amps, comparators, and DACs. Key features of the PIC18F04Q41-E/SL include 16KB Flash (16K x 8), 1KB SRAM, 512 bytes EEPROM, a 12-bit ADC2 with computation, two 8-bit DACs, an on-chip operational amplifier, an 8-bit timer, a 16-bit PWM module, and Core Independent Peripherals (CIPs) such as CLC, NCO, and PWM. The device operates from 1.8V to 5.5V, supports up to 64 MHz system clock, and includes a four-channel DMA controller, two I2C/SPI interfaces, one UART, and up to 12 I/O pins. The extended (-E) temperature grade spans -40C to +125C. The PIC18-Q41 architecture combines a high-throughput 8-bit core with intelligent analog peripherals. The 12-bit ADC2 includes built-in oversampling and accumulation, automated channel scanning, and threshold comparison, offloading CPU overhead for sensor-acquisition loops. The integrated op-amp and two 8-bit DACs allow active-filter, transducer-bridge conditioning, and programmable reference generation without external components. Hardware CIPs (CLC, NCO, PWM, DMA) execute logic, waveform synthesis, and data movement without CPU intervention, enabling deterministic response times in closed-loop control. Typical applications include IoT sensor nodes, LED lighting controllers, portable medical devices, low-cost BLDC fan or pump control, and industrial sensor interfaces. The integrated analog front end reduces BOM cost for thermocouple, strain-gauge, and photo-sensor conditioning. Combined with the 16KB Flash footprint, the PIC18F04Q41 suits both small sensor hubs and space-constrained edge nodes. Designers should budget the SOIC-14 thermal envelope (theta_JA ~ 100 C/W on 1oz 2-layer JEDEC EIA/JESD51 board) for the -40C to +125C operating range, observe Microchip AN2648 analog-Layout guidelines for the on-chip op-amp routing, and verify that the 5.5V VDD absolute maximum is not exceeded during hot-plug or inductive load transients. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not consolidated on the manufacturer datasheet.

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PIC18F04Q41-I/SL - 8-Bit 64MHz MCU, 16KB Flash | Microchip
PIC18F04Q41-I/SL

PIC18F04Q41-I/SL - 8-Bit 64MHz MCU, 16KB Flash | Microchip

The Microchip Technology PIC18F04Q41-I/SL is an 8-bit PIC18 microcontroller delivering 64 MIPS throughput from a 64 MHz CPU clock, integrated into a 14-pin SOIC package with 16 KB of Flash program memory and 1 KB of SRAM. The PIC18F04Q41-I/SL belongs to the PIC18-Q41 product family, which combines Core Independent Peripherals (CIPs) with sophisticated analog blocks such as an on-chip operational amplifier, a 12-bit Analog-to-Digital Converter with Computation (ADCC), 8-bit DACs, and 16-bit PWMs for high-performance sensor and real-time control applications. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip that sits within the broader 8-bit MCU category (8-bit MCU -> microcontroller -> embedded processor -> semiconductor). The PIC18 family extends the mid-range PIC16 architecture with a 16-bit instruction word, hardware multiply, linear program memory up to 128 KB, and a vectored interrupt controller, making it suitable for applications that exceed PIC16 capabilities but do not require a 16-bit dsPIC or 32-bit MCU. Key features of the PIC18F04Q41-I/SL include 16 KB Flash (16K x 8), 1 KB SRAM, 512 bytes EEPROM, a 12-bit ADCC, dual 8-bit DACs, a 16-bit PWM, an on-chip op-amp, CLC (Configurable Logic Cell) CIPs, and peripherals such as UART, SPI, I2C, and 12-bit ADC2. The wide 1.8 V to 5.5 V operating range supports battery and 5 V regulated designs, while peripheral pin select (PPS) allows flexible signal routing on the limited 14-pin footprint. Architecturally, the part uses Microchip's enhanced mid-range core with a modified Harvard bus, single-cycle ALU access to working registers, and 31-level hardware stack. The integrated CIPs - CLC, NCO, PWM, and ADCC - allow autonomous operation without CPU intervention, freeing MIPS for application logic and reducing interrupt load in real-time control loops. Typical applications include IoT sensor nodes, LED lighting controllers, medical wearables, low-end motor control, white goods, and battery-powered instrumentation. The combination of compact package, on-chip op-amp, and 12-bit ADC makes it especially attractive for analog signal conditioning and sensor fusion designs. When designing with this MCU, evaluate the 14-pin I/O budget against required pin functions and use PPS to remap peripherals. Ensure the supply decoupling network follows Microchip's recommended 100 nF + bulk capacitor placement to keep the 5.5 V tolerant pins within absolute maximum ratings during ESD transients. This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F04Q41-I/ST - 8-bit 64MHz 16KB Flash MCU, TSSOP-14 | Microchip
PIC18F04Q41-I/ST

PIC18F04Q41-I/ST - 8-bit 64MHz 16KB Flash MCU, TSSOP-14 | Microchip

The Microchip Technology PIC18F04Q41-I/ST is an 8-bit PIC18 microcontroller IC running at 64MHz with 16KB of Flash program memory, 1KB of SRAM, and 512 bytes of EEPROM, packaged in a 14-pin TSSOP. It belongs to the PIC18-Q41 family, which is purpose-built for compact, analog-rich sensor and real-time control applications. On-chip resources include a 12-bit ADC with Computation (ADCC) supporting capacitive voltage divider techniques, two 8-bit DAC modules, an operational amplifier, a 16-bit PWM, and DMA. An 8-bit microcontroller is a small, single-chip computer built around an 8-bit data bus and a Harvard or von Neumann architecture. Within the taxonomy it sits under MCU -> microcontroller -> embedded processor -> integrated circuit. The PIC18F04Q41 belongs to the PIC18 family of Microchip's 8-bit PIC microcontrollers, which add enhanced instruction set, hardware multiplier, and C-friendly architecture on top of the original PIC16 core, balancing low cost and ease of use with deterministic real-time behavior. Key features include 16 KB Flash, 1 KB SRAM, 512 B EEPROM, 12-bit ADCC, two 8-bit DACs, one on-chip op-amp, 16-bit PWM with complementary outputs and fault handling, CLC (Configurable Logic Cell) peripherals, DMA, and a wide 1.8V to 5.5V supply range. The -I/ST industrial temperature grade spans -40C to +85C, while the TSSOP-14 footprint keeps the BOM small for space-constrained designs. Technically, the PIC18-Q41 family integrates analog and digital signal conditioning directly on die, so a sensor front end, signal chain, and control loop can run from a single IC. The ADCC automates capacitive touch averaging, filtering, oversampling, and threshold decisions, while the CLC, 16-bit PWM, and op-amp enable hardware-level motor, lighting, and signal-conditioning loops without burdening the CPU. Typical applications include capacitive touch keypads and sliders, IoT sensor nodes, LED lighting and color-mixing drivers, low-cost BLDC and brushed DC motor control, battery-powered instrumentation, and medical/industrial sensor signal conditioning. The integrated op-amp plus DAC pair is especially attractive for transducer excitation and signal conditioning. When designing with this part, pay attention to the decoupling strategy: place a 100 nF ceramic plus 1 uF bulk capacitor near VDD, and provide a low-impedance ground return to keep ADC readings clean. Use the on-chip op-amp wisely - its bandwidth and offset must be budgeted against the analog signal chain. The TSSOP-14's exposed thermal pad on this small pin count package should still be soldered to a copper pour to dissipate switching noise. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F05Q40-E/SL - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F05Q40-E/SL

PIC18F05Q40-E/SL - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F05Q40-E/SL is an 8-bit RISC microcontroller from the PIC18-Q40 family, featuring a 64MHz PIC18 CPU core with 32KB Flash program memory, 2KB SRAM, and 512 bytes EEPROM, housed in a 14-pin SOIC package. It integrates a 12-bit ADC with Computation (ADCC), an 8-bit DAC, 16-bit PWMs, Direct Memory Access (DMA), Configurable Logic Cells (CLC), and PPS (Peripheral Pin Select) for flexible signal routing. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals on one IC. The PIC18 family occupies the upper tier of Microchip's 8-bit portfolio, offering enhanced instruction set (77 instructions with hardware multiply), C-friendly architecture, and deterministic interrupt handling. The PIC18-Q40 sub-family specifically targets real-time control and sensor applications with built-in analog and digital peripherals that minimize external component count. Key features include 64MHz maximum clock (16 MIPS), 12-bit ADCC with up to 30 analog channels, 8-bit DAC module, multiple 16-bit PWM channels with complementary outputs and dead-band control, hardware DMA for offloading CPU data movement, CLC blocks for custom combinational/sequential logic, and Zero-Cross Detect (ZCD) for AC line sensing. Communication interfaces include UART, SPI, and I2C. The 14-pin SOIC package exposes 12 GPIO-capable pins after accounting for power, programming, and reset. The Q40 architecture combines traditional PIC18 deterministic execution with modern signal-conditioning peripherals. The ADCC automates averaging, oversampling, and threshold comparison, while the CLC lets designers implement custom glue logic in silicon rather than discrete gates. PPS allows remapping of digital peripherals to different pins, simplifying PCB layout and BOM reuse across variants. Typical applications include real-time motor control (BLDC, stepper, DC), LED lighting drivers with dimming, sensor signal conditioning, smart appliances, consumer white goods, and IoT edge nodes requiring deterministic response with mixed-signal interfaces. The integrated 12-bit ADC with computation makes it ideal for sensor fusion applications where multiple analog inputs require filtering and threshold detection. When designing with this device, plan pin allocation carefully because PPS can move digital peripherals but not analog. Decouple VDD with a 100nF ceramic capacitor placed within 5mm of the pin, and provide bulk capacitance of at least 4.7uF for ADC reference stability. Program/debug interfaces require dedicated ICSP pins - allocate MCLR/ICSPCLK/ICSPDAT early in the schematic. This page synthesizes distributor pricing as of 2026-09-26, drop-in alternative MPNs from the same PIC18-Q40 family, and practical design notes not aggregated on any single distributor page.

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PIC18F05Q40-E/ST - 32KB Flash, 64MHz 8-bit MCU | Microchip
PIC18F05Q40-E/ST

PIC18F05Q40-E/ST - 32KB Flash, 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F05Q40-E/ST is a compact, high-performance 8-bit PIC18 microcontroller featuring 32KB of Flash program memory, 2KB of RAM, and 512 bytes of EEPROM, housed in a 14-pin TSSOP package. It operates at up to 64MHz with a 12-bit ADC with Computation (ADC2), dual 8-bit DACs, 16-bit PWMs, Direct Memory Access (DMA), Configurable Logic Cells (CLC), and Peripheral Pin Select (PPS) for flexible signal routing in real-time control and sensor applications. An 8-bit microcontroller (MCU) is a microprocessor integrated with program memory, data memory, I/O peripherals, and a CPU on a single silicon die, optimized for embedded control tasks. The PIC18 architecture sits in the broader taxonomy as: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device. PIC18-Q40 family parts are particularly suited for low-power sensor interfacing and closed-loop control loops, with on-chip analog and digital peripherals eliminating many external components. The 12-bit ADC2 with Computation performs hardware averaging, threshold comparison, and automated accumulation, offloading CPU overhead in high-sample-rate sensor reads. The dual 8-bit DACs enable dual-channel analog output references or waveform generation. The 16-bit PWMs support high-resolution motor control, LED dimming, and digital power conversion. Direct Memory Access (DMA) moves ADC results to memory without CPU intervention, freeing the core for application logic. PPS allows remapping of digital peripherals to a wide range of pins, simplifying PCB layout. Typical applications include IoT sensor nodes, BLDC motor control, smart lighting, battery management, home appliance controls, and consumer electronics with capacitive touch or rotary user interfaces. The wide 1.8V to 5.5V supply range supports both single-cell Li-ion and 5V-rail designs. When designing with this device, leverage PPS to optimize PCB routing and use ADC2 with Computation to minimize firmware overhead. Pair the TSSOP-14 variant with the PIC18-Q40 family toolchain (MPLAB X IDE + XC8 compiler + MPLAB Code Configurator) for rapid peripheral configuration.

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PIC18F05Q40-I/SL - 32KB Flash 8-bit MCU, 64MHz, 14-SOIC | Microchip
PIC18F05Q40-I/SL

PIC18F05Q40-I/SL - 32KB Flash 8-bit MCU, 64MHz, 14-SOIC | Microchip

The Microchip Technology PIC18F05Q40-I/SL is a compact, high-performance 8-bit PIC microcontroller from the PIC18-Q40 family, delivered in a 14-pin SOIC (SL) package. It integrates 32 KB of Flash program memory, 2 KB of SRAM, and 512 bytes of EEPROM, with a 64 MHz CPU speed delivering up to 16 MIPS of instruction throughput. The device targets real-time control and sensor applications with built-in 12-bit ADC2 (with Computation), 8-bit DAC modules, 16-bit PWMs, Direct Memory Access (DMA), and Configurable Logic Cells (CLC). A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals onto one IC. The PIC18 family uses a modified Harvard 8-bit RISC architecture with an instruction set optimized for C-compiled code (XC8). PIC MCUs sit in the broader hierarchy of embedded controllers, alongside 16-bit PIC24, 32-bit PIC32, and competitor families such as STM32 (Cortex-M) and AVR (megaAVR/XMEGA). Within Microchip, Q40-series parts are the dedicated ADC-and-PWM-rich "real-time control" sub-family, designed to replace external op-amps, analog comparators, and discrete timers with on-chip intelligent peripherals. Key features include a 12-bit differential ADC with Computation engine for automated oversampling and filtering, 10-bit slope compensation, two 8-bit DACs, four 16-bit PWMs with complementary outputs and dead-band control, CLC for combinational/sequential logic without external glue, and built-in DMA that lets peripherals move data without CPU intervention. The device also includes an 8x8 hardware multiplier and a 32 MHz internal oscillator, reducing external component count in cost-sensitive designs. Architecture-wise the PIC18-Q40 uses a 16-bit-wide instruction word with 8-bit data path, 31-level hardware stack, and a unified interrupt controller. The 12-bit ADC with Computation (ADC2) reduces software overhead by performing averaging, threshold detection, and burst averaging in hardware, enabling deterministic motor-control loops. Internal voltage reference and zero-cross detect accelerate closed-loop appliance and lighting designs. Typical applications include BLDC and brushed DC motor control, LED lighting drivers, sensor hubs with DMA-driven acquisition, capacitive-touch user interfaces using the on-chip CLC and ADC2, home appliances, and IoT edge nodes. Designers typically place the MCU between the power-stage MOSFETs / LED strings and the host MCU to handle the deterministic timing-critical control loop locally. When designing with this part, ensure the 14-SOIC exposed pad is soldered to a sufficient copper pour for thermal relief; power budget on FOSC=64 MHz at 3.3 V is roughly 12 mA active. Use MPLAB X IDE with the XC8 compiler and MPLAB Code Configurator (MCC) to graphically wire CLC and PWM peripherals - the MCC plugin generates the peripheral setup code and saves weeks of register-level firmware bring-up. This page consolidates distributor pricing, drop-in alternatives from Microchip's Q40 family, and practical design notes that go beyond the manufacturer datasheet - giving procurement and firmware teams a single reference for the PIC18F05Q40-I/SL.

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PIC18F05Q40T-I/SL - 32KB Flash 8-bit MCU, 64MHz, 14-SOIC | Microchip
PIC18F05Q40T-I/SL

PIC18F05Q40T-I/SL - 32KB Flash 8-bit MCU, 64MHz, 14-SOIC | Microchip

The Microchip Technology PIC18F05Q40T-I/SL is a high-performance 8-bit PIC microcontroller from the PIC18-Q40 family, featuring 32KB of Flash program memory, 2KB of SRAM, and 512 bytes of EEPROM in a 14-pin SOIC package. It operates at up to 64MHz and integrates a 12-bit ADC with Computation (ADC2), two 8-bit DACs, 16-bit PWMs, Direct Memory Access (DMA), and Configurable Logic Cells (CLC), making it a compact solution for real-time control and sensor-interface applications. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals, used to embed intelligence in electronic systems ranging from consumer appliances to industrial controllers. The PIC18F family is Microchip's high-end 8-bit architecture, combining a RISC instruction set with advanced peripherals such as 16-bit PWMs, DMA, and configurable logic - bridging the gap between simple 8-bit parts and more expensive 16-bit MCUs. Key features of the PIC18F05Q40 include a 64MHz internal oscillator with PLL, 12-bit ADC2 with computation modes for automated signal averaging and threshold comparison, two 8-bit DAC outputs, 16-bit PWM with complementary and dead-band modes, four Configurable Logic Cells that implement combinational/sequential logic without external gates, and CLC + DMA + PPS (Peripheral Pin Select) for flexible signal routing. The device also includes UART, SPI, and I2C peripherals, plus zero-crossing detection and a math accelerator. Architecture-wise, the PIC18F05Q40 uses an enhanced Harvard RISC core with 8-bit data path and 16-bit instruction words, optimized C-friendly instruction set, and Microchip's eXtreme Low Power (XLP) technology for battery-friendly operation. The integrated DMA engine offloads peripheral-to-memory transfers from the CPU, enabling deterministic real-time response. PPS lets designers remap digital peripherals to nearly any I/O pin, simplifying PCB routing. Typical applications include LED lighting and driver control, sensor signal conditioning, motor control with closed-loop feedback, capacitive-touch user interfaces, household appliances, IoT end-nodes, and small home appliances. The compact 14-SOIC footprint also suits space-constrained designs. When designing with this MCU, verify the supply voltage range (1.8V-5.5V), provide adequate decoupling on VDD/AVDD, and use Microchip's MPLAB X IDE with XC8 compiler for code development. Programming is supported via ICSP. This page synthesizes distributor pricing, drop-in same-family alternatives, and design notes not found in the manufacturer datasheet, enabling faster engineering decisions.

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PIC18F05Q40T-I/ST - 32KB Flash 8-bit MCU, 64MHz | Microchip
PIC18F05Q40T-I/ST

PIC18F05Q40T-I/ST - 32KB Flash 8-bit MCU, 64MHz | Microchip

The Microchip Technology PIC18F05Q40T-I/ST is an 8-bit PIC18 microcontroller featuring 32KB Flash, 2KB SRAM, and 512 bytes EEPROM in a 14-pin TSSOP package. Operating at up to 64MHz, it integrates a 12-bit ADC with Computation (ADC2), dual 8-bit DACs, 16-bit PWMs, DMA, Configurable Logic Cells (CLC), and Core Independent Peripherals (CIPs). The wide 1.8V to 5.5V operating range makes it well-suited for both 3.3V and 5V systems. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/SRAM/EEPROM), and programmable peripherals. The PIC18 family is Microchip's mainstream 8-bit architecture, sitting between the smaller PIC16 and the 16-bit dsPIC33/PIC24 families in the broader PIC taxonomy (PIC16 -> PIC18 -> PIC24/dsPIC -> PIC32). The Q40 sub-family specifically targets real-time control and sensor applications through its hardware-based CIP blocks, reducing CPU overhead and improving deterministic response. Key differentiating features include 12 I/O pins with peripheral pin select (PPS), 16-bit PWM resolution suitable for digital power and motor control, and zero-cross detection for TRIAC-based solid-state relay control. The integrated 12-bit ADC2 with computation automates averaging, oversampling, and threshold detection, freeing the CPU from intensive math routines. Hardware CLCs allow glue-logic consolidation, replacing external gates on the PCB. Typical applications include LED lighting, BLDC motor control, sensor signal conditioning, capacitive touch sensing, real-time control loops, and low-cost consumer/IoT devices. In particular, the combination of 16-bit PWM, DMA, and zero-cross detection makes the Q40 family attractive for digital dimming and TRIAC-controlled AC loads. When designing with this device, ensure the ICSP programming pins (PGD/PGC) are not pulled low at reset. Decouple VDD/VSS with 100nF plus bulk capacitance, and follow Microchip AN2686 (Configuring the PIC18 Q40 Family) for oscillator and PPS settings. The TSSOP-14 footprint has a thermal resistance around 100 C/W, so high-current GPIO toggling should be balanced against junction temperature rise.

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PIC18F05Q41-E/ST - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F05Q41-E/ST

PIC18F05Q41-E/ST - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F05Q41-E/ST is a high-performance 8-bit PIC18 microcontroller IC featuring a 64MHz CPU, 32KB of Flash program memory, 2KB of SRAM, and 512 bytes of EEPROM, all housed in a 14-pin TSSOP (ST) package. The device integrates advanced analog peripherals including a 12-bit ADC with Computation (ADC2), an 8-bit DAC, an on-chip operational amplifier, and a 16-bit PWM, making it well suited for sensor and real-time control applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus and a Harvard or modified-Harvard architecture. PIC18 microcontrollers extend Microchip's PIC16 baseline with 16-bit program-word instructions, an enhanced 31-level stack, and linear data memory, which together simplify C-compiler code generation and enable interrupt-driven real-time control. The PIC18F05Q41 belongs to Microchip's PIC18-Q41 product family, which targets compact, high-performance designs where advanced analog integration reduces BOM count and board area. Key differentiating features include a 64MHz internal oscillator (16 MIPS instruction throughput), Peripheral Pin Select (PPS) for flexible signal routing, Direct Memory Access (DMA) controllers, and multiple serial interfaces (UART, SPI, I2C). The integrated op-amp and 12-bit ADC2 enable closed-loop analog signal conditioning without external components, which is particularly useful in small-footprint sensor interfaces. The PIC18F05Q41 is built on Microchip's enhanced mid-range core with hardware multiplier and C-friendly architecture, allowing efficient math operations in C while preserving the deterministic timing that 8-bit MCU users expect. The device supports low-power sleep modes and an on-board 32kHz oscillator for RTC-style timing, enabling battery-friendly designs in always-on sensor nodes. Typical applications include IoT sensor nodes, industrial control, smart home devices, LED lighting control, battery management systems, and consumer electronics. The wide operating voltage range and rich analog/mixed-signal integration make the device a strong candidate for designs that previously required multiple discrete components. When designing with this MCU, note the operating temperature grade encoded in the suffix: the -E variant supports the extended industrial grade of -40C to +125C, while the -I variant supports -40C to +85C. Use the -E variant for harsh-environment or automotive-adjacent designs that exceed standard commercial ranges. Proper decoupling with 100nF + bulk capacitors placed close to VDD/AVDD pins is essential for ADC2 accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for sourcing, replacement, and PCB-layout decisions.

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PIC18F05Q41-I/ST - 8-Bit 64MHz MCU, 32KB Flash | Microchip TSSOP-14
PIC18F05Q41-I/ST

PIC18F05Q41-I/ST - 8-Bit 64MHz MCU, 32KB Flash | Microchip TSSOP-14

The Microchip Technology PIC18F05Q41-I/ST is an 8-bit PIC18 microcontroller running up to 64MHz with 32KB Flash, 2KB SRAM and 512 bytes EEPROM in a 14-pin TSSOP package. It integrates advanced analog peripherals including a 12-bit ADC, 8-bit DAC, operational amplifiers and 16-bit PWM, making it a compact mixed-signal MCU for sensor and real-time control designs. Industrial temperature range -40C to +85C and 1.8V to 5.5V supply operation suit battery-powered and industrial environments. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip Flash program memory, SRAM, EEPROM, and integrated peripherals. The PIC18 family sits within Microchip's PIC microcontroller hierarchy (PIC16 -> PIC18 -> dsPIC), offering higher performance, more memory, and richer peripherals than baseline PIC16 while remaining simpler than 16-bit dsPIC devices. The 'Q41' sub-family emphasizes advanced analog integration for sensor and signal-chain applications. Key features of the PIC18F05Q41-I/ST include a 64MHz internal oscillator, 12-bit ADC with computation (ADC2), 8-bit DAC, on-chip operational amplifiers, 16-bit PWM with complementary outputs, and Configurable Logic Cells (CLC). DMA support offloads data movement between peripherals and memory, while the Core Independent Peripherals (CIPs) enable deterministic real-time responses without CPU intervention. These features reduce external component count for sensor conditioning and motor-control loops. Architecturally, the device uses Microchip's enhanced 8-bit RISC core with a hardware multiplier, single-cycle multiplication support, and a 16-bit instruction path for improved code density. The advanced analog block includes zero-cross detection, slope compensation, and dedicated op-amps with rail-to-rail inputs, enabling direct interfacing with current shunts, thermistors, and bridge sensors without external signal conditioning. Typical applications include IoT sensor nodes, consumer appliance control, low-end BLDC motor drives, LED lighting controllers, battery management front-ends, and HVAC sensor hubs. The combination of small TSSOP-14 footprint and integrated analog suits space-constrained designs. When designing with this device, pay attention to the pin-limited 14-TSSOP package: careful pin assignment is critical because the same pins are multiplexed across ADC, PWM, and communication functions. Always verify the pin mux in MPLAB X IDE before committing the PCB layout. This page synthesizes distributor pricing, drop-in PIC18 alternates, and practical design notes that go beyond the manufacturer datasheet summary.

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PIC18F05Q41T-I/SL - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F05Q41T-I/SL

PIC18F05Q41T-I/SL - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F05Q41T-I/SL is a compact, high-performance 8-bit PIC18 microcontroller IC operating at up to 64 MHz with 32 KB (32K x 8) of Flash program memory, housed in a 14-pin SOIC (SL) package. The device integrates 2 KB of SRAM and 512 bytes of EEPROM, providing ample headroom for application code, data buffering, and parameter storage in space-constrained sensor and real-time control designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (typically Flash), working RAM, and a rich set of peripheral interfaces (ADC, timers, communication controllers, GPIOs). It sits in the embedded-system hierarchy below an MPU/MPSoC and above discrete logic; in the PIC architecture, the PIC18 family is Microchip's mainstream 8-bit line with an enhanced instruction set, hardware multiplier, and C-friendly architecture, making it suitable for replacing legacy PIC16 designs with more memory and peripherals. Key features of the PIC18F05Q41 include an on-chip operational amplifier, a 12-bit ADC2 with computation, an 8-bit DAC, a 16-bit PWM, peripheral pin select (PPS), DMA, and configurable communication peripherals including UART, SPI, and I2C. The combination of on-chip analog and digital peripherals allows single-chip sensor interface, signal conditioning, and closed-loop control without external components. The Q41 family uses Microchip's CIP (Core Independent Peripherals) approach, where peripherals can operate autonomously of the CPU via DMA and hardware state machines, freeing the core for higher-level application logic. The wide 1.8 V to 5.5 V operating range enables direct battery and 5 V system connection, while 16-bit PWM resolution supports fine-grained motor, lighting, and power-converter control. Typical applications include IoT sensor nodes, industrial process control, appliance motor control, LED lighting controllers, battery-powered smart sensors, and consumer white goods with human-machine interfaces. The 14-SOIC footprint offers hand-solder-friendly pin access and is well suited to small-batch prototyping. When designing with this part, take advantage of PPS to remap peripherals onto most GPIO pins, simplifying PCB routing, and use the on-chip op-amp to implement transimpedance or gain stages before the ADC, reducing external component count. This page synthesizes distributor availability, drop-in alternatives within the PIC18-Q41 family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F05Q41T-I/ST - 8-Bit 64MHz MCU, 32KB Flash, 14-TSSOP
PIC18F05Q41T-I/ST

PIC18F05Q41T-I/ST - 8-Bit 64MHz MCU, 32KB Flash, 14-TSSOP

The Microchip Technology PIC18F05Q41T-I/ST is an 8-bit PIC18 microcontroller IC running at 64 MHz, integrating 32 KB of Flash program memory, 2 KB of SRAM, and 512 bytes of EEPROM in a compact 14-pin TSSOP surface-mount package. According to the Microchip product family overview, the PIC18-Q41 family is positioned as a compact, high-performance platform with advanced analog peripherals aimed at sensor and real-time control applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripherals on one die. The PIC18 family is Microchip's high-end 8-bit line, sitting between the baseline PIC10/12/16 family and the 16-bit dsPIC/PIC24 line in the broader PIC microcontroller taxonomy. Within power management and embedded control hierarchies, the PIC18F05Q41 belongs to the PIC18-Q41 sub-family, which targets low-power, mixed-signal designs where op-amps, ADCs, DACs, and 16-bit PWMs are needed alongside a deterministic 8-bit core. Key features of the PIC18F05Q41 include an on-chip operational amplifier, a 12-bit ADC with Computation (ADC2), an 8-bit DAC, a 16-bit PWM module, and configurable Peripheral Pin Select (PPS) for flexible I/O mapping. The device operates from 1.8 V to 5.5 V across an industrial -40 °C to +85 °C temperature range and supports I2C, SPI (x2) and UART (x2) serial interfaces with DMA capability, enabling low-CPU-overhead data movement. These features make it well-suited to mixed-signal sensor front-ends and tightly closed-loop control tasks. The PIC18-Q41 architecture pairs the standard PIC18 Harvard core with Core Independent Peripherals (CIPs) such as the CWG, NCO, and SMT timers, allowing complex sequencing to occur without CPU intervention. The combination of 32 KB self-programmable Flash, 256-byte data EEPROM emulation, and 2 KB SRAM provides ample headroom for state-machine firmware, while PPS lets designers remap digital peripherals onto nearly any I/O pin - useful when PCB routing constrains the layout. Typical applications include sensor signal conditioning, LED lighting control, low-power IoT edge nodes, and battery-powered instrumentation where the on-chip op-amp front-ends a sensor and the 12-bit ADC2 digitizes the result. In motor-control and power-conversion tasks, the 16-bit PWM and configurable dead-time make it a fit for small brushed or stepper drive stages. When designing with this MCU, plan the I/O mapping around PPS early - reassigning peripherals later can require re-routing. The wide 1.8 V to 5.5 V supply range lets a single part run from either a single-cell Li-ion or a regulated 3.3 V / 5 V rail, simplifying BOM across product variants. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes drawn from the Microchip PIC18-Q41 family overview and the verified distributor listings - information not bundled in the manufacturer datasheet alone.

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PIC18F06Q40-E/SL - 8-bit 64MHz 64KB Flash MCU | Microchip
PIC18F06Q40-E/SL

PIC18F06Q40-E/SL - 8-bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F06Q40-E/SL is an 8-bit RISC microcontroller from the PIC18-Q40 product family, featuring a high-performance PIC18 CPU core operating at up to 64 MHz with 64 KB of Flash program memory and 4 KB of SRAM, housed in a 14-pin SOIC (SL) package. It integrates 512 bytes of EEPROM, a 12-bit ADC with Computation (ADC2), two 8-bit DACs, multiple communication peripherals (I2C/SPI/UART), and configurable 16-bit PWM modules designed for real-time control and sensor-interface applications. An 8-bit PIC microcontroller is a compact Harvard-architecture processor that executes a RISC instruction set, providing deterministic timing and simple peripheral integration for embedded control. Within the broader semiconductor hierarchy, PIC MCUs sit under microcontrollers (MCUs) -> embedded processors -> digital ICs. The PIC18 sub-family specifically targets applications requiring more computational headroom, larger memory, and richer analog peripherals than PIC16 devices, while retaining the small pin-count and ease-of-use advantages of the PIC ecosystem. Key specifications include 64 MHz maximum CPU clock (16 MIPS performance), 12-bit ADC with computation features for automated averaging and threshold detection, dual 8-bit DAC outputs for reference generation or analog biasing, 16-bit PWM with complementary outputs, and 5V/3.3V operation across an extended industrial temperature range. The 14-pin SOIC footprint provides a compact, hand-solderable package suitable for both prototype and volume production. Typical applications include closed-loop sensor conditioning, LED lighting drivers, low-end motor control (small DC fans, BLDC commutation assistance), appliance user-interface controllers, battery-powered IoT sensor nodes, and digital power-supply housekeeping. The integrated ADC2 and DAC peripherals enable single-chip sensor-signal chains with minimal external analog circuitry. When designing with this part, ensure the configuration words are correctly set for oscillator source and code protection, and that the unused pins are explicitly configured as outputs or inputs with pull-ups to minimize current consumption. The 64 KB Flash and 4 KB SRAM are well-suited to mid-size firmware stacks using MPLAB XC8 and the MPLAB Code Configurator peripheral libraries.

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