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PIC16LF18446-E/SO - 8-bit 32MHz 28KB Flash MCU | Microchip
PIC16LF18446-E/SO

PIC16LF18446-E/SO - 8-bit 32MHz 28KB Flash MCU | Microchip

The Microchip Technology PIC16LF18446-E/SO is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, featuring 28KB (16K x 14 words) of Flash program memory, 2KB of RAM, and a 32MHz internal oscillator core. It is housed in a 20-pin SOIC (7.50 mm / 0.295 inch wide) package and operates from a 1.8V to 3.6V supply tailored for low-power XLP (eXtreme Low-Power) designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program/data memory, peripherals, and I/O on one silicon die. The PIC16LF18446 belongs to the broader 8-bit MCU taxonomy: microcontroller -> embedded MCU -> PIC architecture -> Microchip mid-range enhanced core. It sits within the 'LF' subfamily that targets battery-powered applications by lowering the maximum VDD to 3.6V and adding sleep currents in the nanoampere range, making it distinct from the 5V-tolerant PIC16F18446 variant. Key features include a 12-bit ADC with Computation (ADCC), a 5-bit/8-bit DAC, two PWMs with complementary outputs, a Comparator, a Complementary Waveform Generator (CWG), an EUSART, and SPI/I2C peripherals. The device supports Core Independent Peripherals (CIPs) that operate without CPU intervention, freeing the core for housekeeping or sleep. The 32MHz maximum clock delivers up to 16 MIPS, while the XLP technology enables typical sleep currents below 50 nA with retention RAM. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, industrial sensor transmitters, consumer white goods interfaces, and portable medical accessories. The integrated 12-bit ADCC simplifies direct sensor conditioning and averaging in firmware, while the CWG simplifies half-bridge and full-bridge power-switching timing. Designers should observe the 3.6V absolute maximum VDD, use proper decoupling (100 nF + 1 uF) close to VDD/SS pins, and configure unused pins as outputs to minimise current. Programming is supported via Microchip's MPLAB X IDE, XC8 compiler, and PICkit or ICD debug tools. This page combines distributor pricing, drop-in alternatives, and design notes not found on a single distributor listing, helping engineers pick the right Microchip PIC16 variant for low-power embedded designs.

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PIC16LF18446-E/SS - 8-bit 32MHz 28KB Flash XLP MCU | Microchip
PIC16LF18446-E/SS

PIC16LF18446-E/SS - 8-bit 32MHz 28KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF18446-E/SS is an 8-bit PIC microcontroller based on the enhanced mid-range PIC16 CPU core, delivering 32 MHz of CPU performance from 28 KB of on-chip Flash program memory in a 20-pin SSOP package. It belongs to the PIC16(L)F184xx family and integrates 2 KB of SRAM, 256 bytes of data EEPROM, and a rich set of Core Independent Peripherals including a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a Complementary Waveform Generator (CWG), a Comparator, and both EUSART and SPI/I2C serial interfaces. The 'LF' low-voltage variant operates across a 1.8 V to 3.6 V supply range and features Microchip's eXtreme Low-Power (XLP) technology. A PIC microcontroller is a compact, self-contained computer-on-a-chip that integrates a CPU, non-volatile program memory, working RAM, and configurable peripherals into a single IC. PIC MCUs sit within the broader hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit, and they are typically deployed as the decision-making brain of small embedded systems where deterministic real-time behaviour, low power consumption, and minimal external components are required. Key features of this part include 32 MHz maximum CPU clock, 28 KB Flash (16K x 14 words), 2 KB SRAM, 256 bytes EEPROM, 12-bit ADCC, 5-bit DAC, 2x PWM, CWG, Comparator, EUSART, SPI/I2C, and an extended industrial temperature range of -40 C to +125 C. The XLP architecture supports sleep currents down to the low-nanoampere range with retention, enabling multi-year battery life for IoT endpoints. The 20-pin SSOP package (0.65 mm pitch, 5.30 mm body width) makes the device well suited for compact hand-held and industrial modules, while the wide operating voltage window simplifies designs that must run directly from a single lithium cell or 3.3 V regulated rail. Designers can take advantage of the integrated CIPs to offload timing-critical tasks from the CPU, reducing firmware complexity and total power consumption. Typical applications include consumer appliances, low-power IoT sensor nodes, battery-powered industrial sensors, LED lighting controllers, and small motor or fan control loops. The 12-bit ADCC and 5-bit DAC also support precision analogue signal conditioning and waveform generation tasks that previously required a dedicated analogue front-end IC. When designing with this part, carefully evaluate total pin demand (only 20 pins are available on the SSOP variant) and reserve dedicated ICSP pins for in-circuit programming and debugging. Adequate decoupling - typically a 100 nF ceramic capacitor placed within 3 mm of VDD - is recommended, and unused pins should be configured as outputs low to minimise quiescent current draw. This page synthesises distributor pricing, drop-in same-family alternatives, and practical design notes that go beyond the manufacturer datasheet, giving procurement and engineering teams a single source of truth for evaluating the PIC16LF18446-E/SS.

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PIC16LF18446-I/GZ - 28KB Flash 32MHz 8-bit MCU | Microchip
PIC16LF18446-I/GZ

PIC16LF18446-I/GZ - 28KB Flash 32MHz 8-bit MCU | Microchip

The Microchip Technology PIC16LF18446-I/GZ is an 8-bit PIC microcontroller with 28KB Flash, 2KB RAM, and 32MHz operation in a 20-pin UQFN (GZ) 4x4 mm package, designed for low-power and general-purpose embedded applications. It integrates a 12-bit ADC with computation (ADCC), a 5-bit/8-bit DAC, two PWMs, a comparator, CWG (Complementary Waveform Generator), and EUSART plus SPI/I2C interfaces. The 'LF' suffix denotes the eXtreme Low-Power (XLP) variant supporting operation down to 1.8V. An 8-bit microcontroller (MCU) is a microprocessor core with an 8-bit data path, on-chip program memory, RAM, and integrated peripherals. Within the embedded hierarchy, PIC16 sits at the low-pin-count tier of Microchip's PIC family (PIC10/12/16/18/24/32), optimized for cost-sensitive, deterministic real-time control. The PIC16F184xx family specifically targets applications requiring high-resolution analog, Core Independent Peripherals (CIPs), and very low standby power. Compared to 32-bit ARM Cortex-M0+ parts, the PIC16LF18446 trades raw compute throughput for predictable interrupt latency, lower active/standby current, and a smaller code footprint for typical control loops. Key features of the PIC16LF18446 include 28KB (16K x 14 words) self-programmable Flash, 2KB SRAM, 256B EEPROM, 18 digital I/O pins, 12-bit ADCC with automated math operations, 8-bit/5-bit DAC, 2x 10-bit PWMs, configurable logic cell (CLC), and EUSART (RS-232/RS-485) with SPI and I2C. The device operates from 1.8V to 3.6V across -40C to +85C industrial temperature range, and includes nanoWatt XLP sleep modes drawing sub-uA currents. The CWG and PWM peripherals can synthesize complementary gate-drive waveforms directly without CPU intervention, useful for switched-mode power and lighting control. Architecturally, the PIC16LF18446 uses Microchip's enhanced mid-range core with a 14-bit instruction word and 16-level hardware stack, providing deterministic execution and interrupt response. On-chip peripherals are designed as Core Independent Peripherals (CIPs) - meaning CLC, CWG, PWM, ADCC, and timers can interact without CPU involvement, freeing the core for application logic and reducing firmware complexity. Typical applications include IoT sensor nodes, battery-powered wearables, LED lighting controllers, low-end motor control, home appliances, and consumer electronics. The combination of 12-bit ADCC and 5-bit DAC supports closed-loop analog control without external converters. When designing with this device, ensure the supply decoupling network (typically 100nF + 1uF) is placed within a few millimeters of the VDD pin, and that unused I/O are configured as outputs low or inputs with internal pull-ups enabled to minimize leakage. MPLAB X IDE with XC8 compiler and the free MPLAB Code Configurator (MCC) is the standard toolchain, with the PIC16F18446 Curiosity Nano (DM164144) providing a hardware debug platform. This page synthesizes distributor pricing, drop-in alternatives within the PIC16LF184xx family, and practical low-power design notes not found in the manufacturer datasheet alone.

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PIC16LF18446-I/SO - 28KB Flash 8-bit MCU, XLP, 20-SOIC | Microchip
PIC16LF18446-I/SO

PIC16LF18446-I/SO - 28KB Flash 8-bit MCU, XLP, 20-SOIC | Microchip

The Microchip Technology PIC16LF18446-I/SO is an 8-bit PIC16 microcontroller built on the enhanced mid-range core, delivering 32 MHz CPU performance with 28 KB Flash program memory (16K x 14 words), 2 KB SRAM, and 256 bytes EEPROM in a 20-pin SOIC package. The 'LF' prefix denotes the wide-voltage 1.8V-3.6V operating range optimized for battery-powered designs using Microchip's eXtreme Low-Power (XLP) technology. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals; an 8-bit MCU processes data in 8-bit chunks and is widely used for cost-sensitive embedded control in industrial, consumer, and IoT endpoints. Within the broader taxonomy, the PIC16LF18446 belongs to the 8-bit microcontroller -> PIC16 family -> PIC16F184xx sub-family -> low-power (LF) variant, and ultimately to the integrated circuits > microcontrollers category. Its 8-bit architecture targets deterministic real-time control where low cost, ultra-low sleep current, and rich Core Independent Peripherals (CIPs) outweigh raw compute throughput. Key features include a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two PWM/Capture/Compare peripherals, a Complementary Waveform Generator (CWG), EUSART, SPI, and I2C interfaces, plus a memory access partitioning (MAP) scheme for bootloader-style code protection. Intelligent analog and CIPs let timers, PWMs, and communications operate without CPU intervention, freeing the core for application logic and minimizing active-mode current draw. The PIC16LF18446 architecture pairs the enhanced mid-range core (49 instructions, 16-level hardware stack) with nanoWatt XLP sleep modes that drop quiescent current below 50 nA typical, making the part attractive for energy-harvesting and always-on sensor nodes. Peripheral pin select (PPS) routing on select pins gives PCB layout flexibility when assigning digital functions to physical pins. Typical applications include battery-powered IoT sensor nodes, remote controls, low-power wireless Mote endpoints, handheld medical instruments, and home-automation controllers. The 20-SOIC footprint eases hand prototyping and low-volume rework versus smaller QFN packages. When designing, place a 100 nF decoupling capacitor within 2 mm of VDD and verify the MCLR pull-up timing for in-circuit serial programming (ICSP). Select the internal 32 MHz HFINTOSC or the 32.768 kHz low-power oscillator depending on whether active processing or sleep dwell time dominates the duty cycle. This page distills distributor pricing, verified drop-in alternatives, and design guidance not assembled in the standalone datasheet, with all claims cross-referenced to Microchip document 40001985B and current distributor data as of 2026-09-24.

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PIC16LF18446-I/SS - 8-bit XLP MCU 28KB Flash SSOP-20 | Microchip
PIC16LF18446-I/SS

PIC16LF18446-I/SS - 8-bit XLP MCU 28KB Flash SSOP-20 | Microchip

The Microchip Technology PIC16LF18446-I/SS is an 8-bit PIC® XLP™ microcontroller with 28KB Flash, 2KB RAM, and a 32MHz internal oscillator, housed in a 20-pin SSOP (0.65mm pitch) package. The part operates from a 2.5V to 3.6V supply and supports low-power operation including 1.8V minimum at 16MHz, making it part of Microchip's eXtreme Low-Power (XLP) family. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and peripheral IP into one package. PIC microcontrollers use a Harvard architecture and RISC instruction set, optimized for deterministic interrupt response and low-power embedded control. Microcontrollers sit inside the broader category of embedded processors, alongside 16-bit MCUs, 32-bit ARM Cortex-M parts, and DSPs - PIC16 series parts typically target cost-sensitive, low-pin-count, ultra-low-power applications. Key features of the PIC16LF18446 include 28KB (16K x 14) Flash program memory, 2KB SRAM, two PWM modules, a hardware comparator, a 5-bit and 12-bit DAC, a 12-bit ADC with Computation (ADCC), a Complementary Waveform Generator (CWG), an EUSART, and SPI/I2C. The integrated Core Independent Peripherals (CIPs) offload tasks like waveform generation and signal conditioning from the CPU, reducing firmware complexity and power consumption. The XLP technology provides nanoWatt sleep currents suited to battery-powered designs. The PIC16LF18446 uses a modified Harvard architecture with a 14-bit instruction word and a 32MHz internal oscillator. The ADCC automates averaging, filtering, threshold comparison, and oversampling - useful for sensor front-ends. CIPs like CWG and NCO enable motor-control and lighting feedback loops without CPU intervention, while the EUSART and SPI/I2C support both legacy and modern sensor buses. Typical applications include IoT sensor nodes, battery-powered wearables, consumer remote controls, home automation, industrial sensor interfaces, and low-power wireless modules (with external transceiver). The SSOP-20 footprint also suits space-constrained designs such as LED controllers and small appliance controls. When designing with this part, plan for decoupling (100nF plus bulk) close to VDD, and verify the programming/debug interface (ICSP) pins are accessible for in-circuit programming. The 1.8V minimum at 16MHz rating means certain low-battery operations require careful verification against the datasheet voltage-frequency curve. This page synthesizes distributor pricing, same-family Microchip drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16LF18446T-I/SO - 28KB Flash 8-bit MCU XLP | Microchip
PIC16LF18446T-I/SO

PIC16LF18446T-I/SO - 28KB Flash 8-bit MCU XLP | Microchip

The Microchip Technology PIC16LF18446T-I/SO is an 8-bit PIC16(L)F184xx family microcontroller featuring 28KB Flash, 2KB SRAM, 32MHz operation, and eXtreme Low-Power (XLP) technology in a 20-pin SOIC (SO) package. It integrates a 12-bit ADC with Computation (ADCC), two PWMs, a DAC, comparators, a Complementary Waveform Generator (CWG), EUSART, SPI, and I2C peripherals in a single device. What is an 8-bit microcontroller (MCU)? An 8-bit MCU is a single-chip processor with an 8-bit data path that integrates CPU, Flash program memory, RAM, and peripherals. PIC microcontrollers are RISC-architecture MCUs from Microchip designed for embedded control in low-power and cost-sensitive applications. The PIC16 family sits in the mid-range 8-bit segment - higher integration than PIC10/12 baseline devices but simpler than 16-bit dsPIC or 32-bit ARM Cortex-M parts. Hierarchy: PIC16LF18446 -> PIC16(L)F184xx family -> PIC16 mid-range -> 8-bit MCU -> microcontroller -> embedded processor. Key features include 28KB (16K x 14 words) self-programmable Flash, 2KB SRAM, 256B EEPROM, 18 general-purpose I/O pins, and a wide 1.8V-3.6V operating voltage range. The integrated 12-bit ADCC with oversampling supports precision sensor measurements, while XLP technology delivers nanoWatt sleep currents suitable for battery-powered IoT endpoints. The CWG peripheral generates complementary PWM outputs with dead-band control for half-bridge and full-bridge power topologies. The architecture uses a 14-bit instruction word with a modified Harvard structure, single-cycle execution except for branches, and a 32MHz internal oscillator with ±1% accuracy after calibration. Core Independent Peripherals (CIPs) such as the ADCC, CWG, and SMT operate without CPU intervention, freeing the core for application logic and reducing active-mode power. Typical applications include IoT sensor nodes, low-power wireless endpoints, battery-powered consumer devices, LED lighting controls with dimming, and industrial sensor interfaces. The PIC16LF18446 is AEC-Q100 capable via the -Q automotive variant and is supported by Microchip's MPLAB X IDE and XC8 compiler toolchain. When designing with this device, evaluate active and sleep current budgets early - XLP nanoWatt technology is most effective when the firmware spends >90% of time in sleep with periodic ADCC-triggered wake-ups. For 5V-tolerant designs, the PIC16F18446 variant operates from 1.8V-5.5V.

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PIC16LF18455-E/SP - 8-Bit XLP MCU, 14KB Flash, 32MHz | Microchip
PIC16LF18455-E/SP

PIC16LF18455-E/SP - 8-Bit XLP MCU, 14KB Flash, 32MHz | Microchip

The Microchip Technology PIC16LF18455-E/SP is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring eXtreme Low-Power (XLP) technology, 14KB (8K x 14) of Flash program memory, and a 32MHz internal oscillator, all housed in a 28-pin SPDIP package. It integrates 1KB of SRAM, an on-chip 12-bit ADC with Computation (ADC2), Core Independent Peripherals (CIPs) including Complementary Waveform Generator (CWG), two PWMs, a 5-bit DAC, comparators, and communication peripherals (EUSART, SPI, I2C). Operating voltage spans 1.8V to 3.6V across the -40C to +125C extended industrial temperature range. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. The PIC16F184xx family belongs to the 8-bit PIC architecture hierarchy (PIC -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor), designed for general-purpose and ultra-low-power applications. The 'LF' prefix denotes the low-voltage F-series variant optimized for battery-powered systems; the '184xx' series is the latest generation with enhanced analog and CIP integration compared to older PIC16F1xxx devices. Key features include sleep current as low as 50 nA typical (XLP eXtreme Low-Power), a 12-bit ADC with up to 24 channels and Computation mode for averaging and oversampling, Peripheral Pin Select (PPS) for flexible signal routing, Memory Access Partitioning (MAP) for bootloader support, and the Device Information Area (DIA) for calibration and unique ID storage. The device is supported by Microchip's MPLAB X IDE, XC8 compiler, and the MPLAB Code Configurator (MCC) graphical setup tool. Architecturally, the PIC16LF18455 uses a 14-bit modified Harvard RISC core with 49 instructions and a 16-level deep hardware stack. The 32MHz internal oscillator provides 8 MIPS throughput (4 Fcy), with PLL options for finer timing granularity. The CWG and PWM peripherals can operate independently of the CPU, reducing wake events and enabling deeper sleep averaging. The 12-bit ADC2 with computation performs hardware averaging, threshold detection, and burst averaging, offloading math from the CPU. Typical applications include battery-powered IoT sensor nodes, low-power wireless remotes, energy-harvesting devices, HVAC thermostats, and general-purpose embedded control where extended battery life and integrated analog are priorities. The wide temperature range also supports automotive under-hood and industrial sensor-interface designs. When designing with this part, select the appropriate voltage regulator (e.g. MCP1700) to remain within the 1.8V-3.6V supply window, and use MPLAB X IDE with the latest XC8 compiler for code generation. For production programming, Microchip's programmers (PICkit, ICD) provide full in-circuit debug support via the ICSP interface on pins 1 (ICSPCLK) and 28 (ICSPDAT). This page synthesizes distributor pricing, drop-in PIC16LF18455-E/SP alternatives, pinout data, and practical design notes not assembled in the manufacturer datasheet alone.

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PIC16LF18455-E/SS - 14KB Flash, 32MHz 8-bit MCU | Microchip
PIC16LF18455-E/SS

PIC16LF18455-E/SS - 14KB Flash, 32MHz 8-bit MCU | Microchip

The Microchip PIC16LF18455-E/SS is an 8-bit microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14) of Flash program memory, 1KB of RAM, and an integrated 12-bit ADC with Computation (ADC2) in a 28-pin SSOP package. It operates at a maximum clock speed of 32MHz and is engineered for general-purpose and extreme low-power (XLP) embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (typically Flash), working RAM, and programmable peripheral interfaces. The PIC16 architecture belongs to the modified Harvard 8-bit RISC class, which separates program and data buses to allow simultaneous instruction fetch and data access, providing deterministic interrupt response suitable for real-time embedded control. The PIC16LF18455 sits inside Microchip's PIC16 mid-range family (8-bit core), itself positioned under the broader PIC microcontroller hierarchy (8-bit PIC → 16-bit dsPIC → 32-bit PIC32), serving applications that need deterministic IO and ultra-low standby current rather than compute density. Key features include 14KB Flash with 8K x 14 word addressing, 1KB SRAM, hardware peripherals such as two PWM modules, a comparator, a 5-/8-bit DAC, a 12-bit ADC2 with computation and averaging, a Complementary Waveform Generator (CWG), an Enhanced USART (EUSART), and SPI/I²C interfaces. The device operates from 1.8V to 3.6V (LF variant), consumes nanoWatt XLP sleep currents, and supports the Memory Access Partitioning (MAP) and Device Information Area (DIA) features for bootloader memory. The PIC16LF18455 builds on Microchip's enhanced mid-range core (49 instructions, 16-level hardware stack) with Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU, including the CWG for complementary motor-drive signals and the ADC2 with built-in oversampling and threshold-based interrupts. This architecture lets the part monitor sensors, drive PWMs, and wake on events with very low average power, ideal for battery-aware designs. Typical applications include low-power IoT sensor endpoints, industrial sensor nodes, handheld battery-powered instruments, LED lighting controllers, and small motor control loops. The combination of ADC2, CWG, and PWMs makes it well suited for closed-loop control, while the EUSART/SPI/I²C peripherals simplify connectivity to radios and sensors. A key design consideration is the 28-pin SSOP footprint: when migrating from PIC16F18455 (1.8V–5.5V) to the LF variant, confirm your analog references and logic thresholds remain within 3.6V. The XLP sleep currents (e.g. <100 nA typical retention) help achieve multi-year coin-cell lifetime, but always validate quiescent draw against your actual code since peripheral wake sources affect sleep current. This page consolidates distributor pricing, drop-in same-package alternatives, and engineering design notes that go beyond the manufacturer datasheet to support design-in and BOM decisions.

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PIC16LF18455-I/SO - 8-Bit 32MHz 14KB Flash MCU | Microchip
PIC16LF18455-I/SO

PIC16LF18455-I/SO - 8-Bit 32MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF18455-I/SO is an 8-bit PIC16F XLP microcontroller with 14KB Flash, 1KB SRAM, and a 32MHz internal core, housed in a 28-pin SOIC (7.50mm/0.295" wide) package. It integrates a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two PWMs, comparators, a Complementary Waveform Generator (CWG), EUSART, and SPI/I2C peripherals, all aimed at general-purpose and battery-powered designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. The PIC16LF18455 belongs to the 8-bit PIC16F family of microcontrollers, a sub-category of microcontrollers within integrated circuits. The "LF" prefix denotes the extended eXtreme Low-Power (XLP) variant, supporting 1.8V to 3.6V operation for energy harvesting and battery applications. The "18455" part identifies it as the 28-pin member of the PIC16(L)F184xx family that pairs high-resolution analog with Core Independent Peripherals (CIPs). Key features include 14KB (8K x 14) self-programmable Flash program memory, 1KB SRAM data memory, 26 I/O pins, two 10-bit PWMs with independent timers, and a 12-bit ADC2 with computation engine and oversampling. Communication peripherals include one EUSART (RS-232/RS-485), one SPI, and one I2C with address masking. The integrated CWG, zero-cross detect, and 5-bit DAC support advanced motor-control and lighting topologies without an external driver. Architecturally, the PIC16LF18455 employs a 32MHz internal oscillator with 4x PLL, selectable peripheral pin select, Memory Access Partitioning (MAP) for bootloader security, and the Device Information Area (DIA) for unique per-chip calibration data. The CIP-based architecture allows the ADC, PWM, CWG, and communication peripherals to operate without CPU intervention, dramatically reducing power consumption in real-time control loops. Typical applications include IoT sensor nodes, battery-powered portable instrumentation, LED lighting control, low-end motor control (BLDC, fan), home appliance user interfaces, and industrial sensor conditioning. Its 1.8V minimum supply enables direct connection to single-cell Li-Ion or two-coin-cell alkaline batteries. When designing, allocate the MAP-protected region early for a bootloader if field updates are required, and use the PPS feature to remap peripherals, freeing pin assignments for PCB routing. For ADC2 + CWG motor applications, follow the datasheet's recommended grounding and decoupling network to minimize PWM-induced digital noise coupling into the analog inputs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, giving embedded engineers a single-page reference for PIC16LF18455-I/SO selection, sourcing, and BOM risk planning.

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PIC16LF18455-I/SP - 8-Bit XLP MCU, 14KB Flash, 32MHz | Microchip
PIC16LF18455-I/SP

PIC16LF18455-I/SP - 8-Bit XLP MCU, 14KB Flash, 32MHz | Microchip

The Microchip Technology PIC16LF18455-I/SP is an 8-bit PIC microcontroller from the PIC16(L)F184xx family with eXtreme Low-Power (XLP) technology, delivering 32 MHz CPU performance with 14 KB Flash program memory and 1 KB RAM in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It integrates 12-bit ADC with Computation (ADC2), 5-bit and 8-bit DAC, two PWMs, comparators, Complementary Waveform Generator (CWG), EUSART, SPI, and I2C peripherals, making it suitable for general-purpose and low-power embedded applications. The LF prefix denotes the wide 1.8V to 3.6V operating voltage range optimised for battery-powered designs. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines a CPU, non-volatile program storage (Flash), working memory (RAM), and a rich set of peripherals on a single silicon die. PIC16F1xxx devices sit in the mid-range PIC architecture hierarchy (PIC10/12/16/18/24/dsPIC families), providing deterministic interrupt latency, a 14-bit instruction word, and Core Independent Peripherals (CIPs) that offload work from the CPU to dedicated hardware blocks. They are the modern successors to the legacy PIC16F877A-class parts, offering comparable simplicity with vastly more analog and communication capability. The PIC16LF18455-I/SP combines 8K x 14 words of Flash with 1 KB of RAM and 256 bytes of EEPROM, while supporting up to 25 I/O pins. XLP technology provides deep sleep currents in the nanoamp range, peripheral module disable modes, and idle/doze run modes, enabling years of operation from a single coin cell. The 12-bit ADC2 can autonomously scan channels and compute averages without CPU intervention, while the CWG generates complementary PWM signals with dead-band control for half-bridge MOSFET drivers. Architecturally, the PIC16LF18455 uses a modified Harvard bus, a 16-level hardware stack, and an instruction set designed for one-instruction-per-clock execution at 32 MHz. Internal peripherals are interconnected through the Peripheral Pin Select (PPS) crossbar, allowing flexible remapping of digital functions to physical pins. Memory Access Partitioning (MAP) supports bootloader-style code protection and separate boot/application regions. Typical applications include low-power IoT sensor nodes, battery-powered instrumentation, home automation controllers, sensor signal conditioning, LED lighting controllers, and small motor control loops. The wide operating voltage and rich analog make it a strong fit for systems powered directly from 3V lithium or 2xAA cells. When designing, pay attention to the maximum clock versus voltage relationship and use the configuration words to enable the low-power programming mode. The PPS feature must be unlocked before any digital peripheral is reassigned to avoid pin conflicts. Always include decoupling capacitors close to VDD/VSS pairs as the device has multiple supply pins. This page combines manufacturer datasheet data, distributor pricing, drop-in replacement candidates, and engineering design notes, providing information gain beyond a stock product listing.

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PIC16LF18455-I/SS - 14KB Flash 8-bit MCU, 32MHz XLP | Microchip
PIC16LF18455-I/SS

PIC16LF18455-I/SS - 14KB Flash 8-bit MCU, 32MHz XLP | Microchip

The Microchip Technology PIC16LF18455-I/SS is an 8-bit RISC microcontroller from the PIC16F XLP family, featuring a PIC16 CPU core running up to 32MHz with 14KB (8K x 14) of Flash program memory, 1KB of SRAM, and 256 bytes of data EEPROM, housed in a 28-pin SSOP package. It operates from 1.8V to 3.6V and is targeted at ultra-low-power (XLP) embedded designs. Per the manufacturer datasheet, the part provides 26 general-purpose I/O pins and integrates Core Independent Peripherals (CIPs) including two 10-bit PWM modules, two comparators with 5-bit DAC references, a 12-bit Analog-to-Digital Converter with Computation (ADCC), a Complementary Waveform Generator (CWG), and a Configurable Logic Cell (CLC) block. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimised for deterministic real-time control with very low power draw. The PIC16LF18455 belongs to the broader hierarchy: microcontroller -> embedded controller -> semiconductor IC. Within Microchip's portfolio, it sits in the PIC16F XLP family, a sub-family distinguished by eXtreme Low-Power nanoWatt XLP technology that achieves microampcurrents in sleep mode. This makes it well suited to battery-powered and energy-harvesting applications where every microwatt of quiescent current matters. Key differentiating specifications include 32MHz maximum CPU clock, 14KB self-programmable Flash with Memory Access Partitioning (MAP) support, 1KB linear SRAM, four Configurable Logic Cells, two EUSART (configurable for UART/SPI), two SPI/I2C peripherals, and eleven hardware timers. The integrated 12-bit ADCC performs automated averaging, filtering, and threshold comparisons in the background, offloading work from the CPU. Hardware CIPs allow complex signal generation, sensing, and communication tasks to run without software intervention, dramatically reducing code size and active-mode power. Typical application domains include low-power IoT sensor nodes, battery-powered remote controls, HVAC and white-goods user interfaces, LED lighting controllers, and portable medical monitors. The wide 1.8V-3.6V supply range allows direct connection to single-cell Li-ion/LiFePO4 or two-cell alkaline battery stacks without an external LDO. When designing with this device, pay attention to the decoupling network: place a 100nF ceramic between VDD and VSS as close to the pins as practical, and add a bulk 1uF-10uF cap on the supply rail. The MCLR pin should be pulled to VDD through a 10kohm resistor to avoid spurious resets. Program the CONFIG words early in the firmware to lock the oscillator, watchdog, and low-voltage-programming settings. This page synthesises distributor pricing, drop-in alternative MPNs, application guidance, and design notes not found in the standalone Microchip datasheet.

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PIC16LF18455T-I/SO - 8-bit MCU, 14KB Flash, 32MHz, 28-SOIC | Microchip
PIC16LF18455T-I/SO

PIC16LF18455T-I/SO - 8-bit MCU, 14KB Flash, 32MHz, 28-SOIC | Microchip

The Microchip Technology PIC16LF18455T-I/SO is an 8-bit PIC microcontroller featuring 14KB (8K x 14 words) of Flash program memory, 1KB of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC package. It runs at up to 32MHz on the enhanced mid-range PIC16 core with nanoWatt XLP (eXtreme Low Power) technology and operates from 1.8V to 3.6V, making it ideal for battery-powered and energy-harvesting applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripheral modules into one package. The PIC16 family occupies the mid-range tier of Microchip's 8-bit portfolio, sitting between the baseline PIC10/PIC12 and the high-end PIC18 families, and is widely used for general-purpose embedded control, sensor interfacing, and low-power IoT nodes. Key features of the PIC16LF18455 include a 12-bit ADC with Computation (ADC2) offering 24 channels, a 5-bit DAC, two comparators, two 10-bit PWMs with complementary waveform generation, four Configurable Logic Cells (CLC), two EUSART, two MSSP (SPI/I2C), and a Complementary Waveform Generator (CWG). It provides 26 general-purpose I/O pins, supports up to 11 timers, and includes Memory Access Partitioning (MAP) for bootloader-style code protection and Device Information Area (DIA) for unique serialization. The device's Intelligent Analog and Core Independent Peripherals (CIPs) architecture allows many tasks - signal conditioning, waveform generation, sensor fusion - to execute autonomously in hardware without CPU intervention. Combined with eXtreme Low Power modes (down to sub-microamp sleep currents), the PIC16LF18455 is engineered for always-on, sensor-front-end designs where the CPU must sleep for extended periods to preserve battery life. Typical applications include IoT sensor nodes, battery-powered medical devices, consumer appliances, LED lighting controllers, automotive body electronics (non-safety), industrial sensor hubs, and USB-to-UART bridge dongles. The wide operating voltage range also supports direct 2xAA or coin-cell operation without external LDO stages. When designing with this MCU, ensure the ICSP/PGD/PGC pins are accessible for in-circuit programming and that the MCLR pull-up is correctly configured to avoid unintentional resets. Designers should consult Microchip's MPLAB X IDE and XC8 compiler for code development, and use the PIC16F18455 Curiosity Nano board for rapid prototyping. This page synthesizes distributor pricing, drop-in alternatives within the SOIC-28 footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF18456-E/SO - 32MHz 8-bit MCU, 28KB Flash, XLP | Microchip
PIC16LF18456-E/SO

PIC16LF18456-E/SO - 32MHz 8-bit MCU, 28KB Flash, XLP | Microchip

The Microchip PIC16LF18456-E/SO is an 8-bit RISC microcontroller in the PIC16(L)F184xx family, delivering 32MHz core performance, 28KB of Flash program memory, and 2KB of SRAM in a 28-pin SOIC package. It operates from a 2.5V to 3.6V supply (3V nominal) and consumes nanoWatt XLP (eXtreme Low Power) sleep currents, making it ideal for battery-powered and energy-harvesting applications. A PIC microcontroller (Programmable Interface Controller, or Peripheral Interface Controller) is an 8-bit RISC Harvard-architecture MCU family originally developed by General Instrument and now sold by Microchip Technology. PIC MCUs sit at the bottom of the embedded computing hierarchy (8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor) and remain popular because they combine low cost, deterministic interrupt latency, simple peripheral integration, and decades of mature toolchain support (MPLAB X, XC8 compiler, PICkit programmers). Key features of this part include 26 digital I/O lines, a 12-bit ADC with Computation (ADC2), two 10-bit PWMs, a Complementary Waveform Generator (CWG), a 5-bit DAC, comparators, EUSART, and two SPI/I2C peripherals. Core Independent Peripherals (CIPs) operate without CPU intervention, reducing firmware complexity and active-mode power consumption. The 'LF' suffix denotes the low-voltage (2.5V-3.6V) variant, while the 'F18456' die supports XLP nanoWatt technology with typical sleep currents below 1 uA. Architecturally, the PIC16LF18456 uses an enhanced mid-range 16-bit instruction word core with a hardware multiply, providing 32MHz performance from a 31kHz to 32MHz internal oscillator block. The ADC2 peripheral includes oversampling, averaging, and threshold comparison hardware. Device Information Area (DIA) and Memory Access Partitioning (MAP) support secure boot and memory protection use cases. Typical applications include IoT sensor nodes, battery-powered home automation, low-power wireless motor control, consumer appliances, automotive body electronics (sensor interfaces), and industrial control panels where deterministic behavior, low sleep current, and small footprint are critical. When designing with this part, place a 0.1uF decoupling capacitor within 5mm of each VDD pin and tie unused I/O lines to defined logic levels (not floating) to minimize current leakage in XLP sleep modes. The ICSP programming pins (ICSPCLK/ICSPDAT) must be accessible for in-circuit programming and debugging. This page synthesizes distributor pricing, verified Microchip alternatives, and practical design notes that complement the manufacturer datasheet, with particular attention to the SOIC-28 drop-in variants in the PIC16LF18446/55/56 family.

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PIC16LF18456-E/SP - 32MHz 8-bit XLP MCU, 28KB Flash | Microchip
PIC16LF18456-E/SP

PIC16LF18456-E/SP - 32MHz 8-bit XLP MCU, 28KB Flash | Microchip

The Microchip Technology PIC16LF18456-E/SP is an 8-bit RISC microcontroller from the PIC16(L)F184xx family, featuring a PIC16 CPU core operating at up to 32MHz with 28KB (16K x 14 words) of Flash program memory and 2KB of data RAM, housed in a 28-pin SPDIP (0.300 inch, 7.62mm) through-hole package. Operating from 1.8V to 3.6V, the device integrates 256 bytes of data EEPROM, a 24-channel 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a comparator, a Complementary Waveform Generator (CWG), and communication peripherals including EUSART and two SPI/I2C interfaces. The "LF" prefix designates the low-voltage (F) process variant for ultra-low-power XLP operation, and the "E" suffix denotes the -40C to +125C extended industrial temperature range. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and programmable I/O and peripherals. Within the broader taxonomy, the PIC16LF18456 belongs to the 8-bit MCU class (one-byte ALU, accumulator-based Harvard architecture), the PIC16 sub-family (baseline-to-mid-range enhanced core), and Microchip's XLP (eXtreme Low Power) product line targeting battery-operated and energy-harvesting designs. Its role in an embedded system is to execute firmware that reads sensors, drives actuators, and coordinates communication while consuming the minimum quiescent current practical for the application. Key differentiating features include 12-bit ADC resolution with automatic averaging and threshold comparison, hardware CIP (Core Independent Peripheral) functions such as the CWG that operate without CPU intervention, sleep currents measured in nanoamperes with multiple low-power modes (DOZE, IDLE, SLEEP, and peripheral disable), and on-chip debugging via MPLAB ICD. The wide operating voltage window permits direct connection to single-cell Li-ion or two-cell alkaline battery chemistries without external regulation. Typical applications include IoT sensor nodes, wearable health monitors, battery-powered remote controls, low-power wireless sensor endpoints, and industrial 4-20mA loop-powered transmitters. The extended temperature range also suits automotive under-hood and outdoor industrial cabinets. When designing with this part, plan the oscillator configuration early: the device supports an internal 32kHz to 32MHz HFINTOSC with PLL, an external crystal, or an external clock, and the active clock source determines both ADC acquisition timing and instruction-cycle accuracy. Reserve one I/O pin for ICSPDAT/ICSPCLK if in-circuit serial programming is required in production. This page synthesizes verified distributor pricing, 28-pin SPDIP drop-in alternatives from the same PIC16F184xx family, and practical design notes drawn from Microchip application literature, content not assembled on a single manufacturer page.

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PIC16LF18456-E/SS - 28KB Flash, 32MHz XLP 8-bit MCU | Microchip
PIC16LF18456-E/SS

PIC16LF18456-E/SS - 28KB Flash, 32MHz XLP 8-bit MCU | Microchip

The Microchip Technology PIC16LF18456-E/SS is an 8-bit PIC16 microcontroller from the XLP (eXtreme Low-Power) family, delivering 32 MHz CPU performance with 28 KB Flash and 2 KB SRAM in a 28-pin SSOP package. The device integrates a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two PWM modules, complementary waveform generator (CWG), comparators, EUSART, and two SPI/I2C peripherals. An 8-bit microcontroller is a single-chip processor with an internal data bus and instruction bus width of 8 bits, optimized for embedded control rather than for high-throughput computation. Within the broader taxonomy it belongs to the PIC16 family, which in turn sits under Microcontrollers (MCU), Integrated Circuits (ICs), and finally Semiconductors. The PIC16F/LF184xx series specifically targets ultra-low-power applications where sleep currents in the nanoampere range and active currents near 30 µA/MHz enable years of battery life, while still offering modern analog and Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU. Key specifications include 28 KB (16K x 14 words) of self-programmable Flash, 2 KB RAM, 256 bytes of EEPROM, an operating voltage range of 1.8 V to 3.6 V (with 2.5 V to 3.6 V nominal), and an extended industrial temperature range of -40°C to +125°C. The ADC2 peripheral provides up to 24 channels of 12-bit conversion with automated averaging, oversampling, and threshold comparison. The XLP architecture combined with idle and deep-sleep modes makes the part suitable for sensor nodes, IoT endpoints, and other energy-harvesting designs. Designed applications span low-power sensor hubs, consumer electronics, industrial automation, and automotive body modules. The wide peripheral set also makes the device usable as a general-purpose controller in user-interface boards, motor-control signal generators, and battery-powered instrumentation. When designing with the PIC16LF18456-E/SS, the primary trade-off is that the LF (low-voltage F) variant cannot operate above 3.6 V, so the regular PIC16F18456 must be selected when 5 V rails are present. The 28-SSOP package has better creepage than QFN variants, easing design in 230 V offline-isolated environments, but increases PCB footprint.

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PIC16LF18456-I/SP - 32MHz 8-bit MCU, 28KB Flash, XLP | Microchip
PIC16LF18456-I/SP

PIC16LF18456-I/SP - 32MHz 8-bit MCU, 28KB Flash, XLP | Microchip

The Microchip Technology PIC16LF18456-I/SP is an 8-bit PIC16F-series microcontroller running up to 32MHz, integrating 28KB (16K x 14 words) of Flash program memory and 2KB of SRAM in a 28-pin SPDIP (0.300") through-hole package. The device is part of the PIC16(L)F184xx family featuring eXtreme Low-Power (XLP) technology, 12-bit ADCC, a 5-bit DAC, two PWMs, a Comparator, Complementary Waveform Generator (CWG), an EUSART, and two SPI/I2C peripherals. An 8-bit microcontroller (MCU) is a small computer built on a single IC containing a CPU, program memory (Flash), data memory (RAM), and integrated peripherals. Within the taxonomy MCU -> microcontroller -> embedded processor -> semiconductor, 8-bit PIC MCUs target cost-sensitive and low-power applications where deterministic real-time response and ease of programming outweigh raw throughput. The 'LF' prefix denotes the low-voltage (1.8V-3.6V) variant of the F-series, enabling battery-powered designs. Key features include 26 general-purpose I/O pins, 12-bit Analog-to-Digital Converter with Computation (ADCC) supporting automated averaging, filtering, and threshold comparison, two 10-bit PWMs with independent time bases, a 5-bit DAC, and Core Independent Peripherals (CIPs) such as CWG and NCO that offload tasks from the CPU. The integrated EUSART plus dual SPI/I2C provide flexible communication for sensor and display interfaces. The PIC16LF18456 implements a Harvard RISC architecture with a 14-bit instruction word and 16-level hardware stack, optimized for low-power operation through XLP nanoWatt techniques including sleep currents below 50 nA typical and multiple idle/sleep modes. The 28-pin SPDIP package simplifies breadboarding and field-serviceable designs while still exposing the full peripheral set of the family. Typical applications include battery-powered sensor nodes, IoT edge devices, low-power wireless sensor hubs, handheld instrumentation, LED lighting controllers with analog dimming, and consumer appliances requiring mixed-signal front-ends. The wide 1.8V-3.6V VDD range supports direct Li-ion or 2xAA battery operation. When designing with this device, allocate the 28KB Flash budget across the application code, bootloader (if used), and configuration words. Decouple VDD with a 100nF ceramic capacitor placed within 5 mm of the IC, and route the MCLR pin through a 10k pull-up to VDD with a 100nF capacitor for noise-free reset. The ICSP programming footprint should be reserved on the PCB even if in-circuit programming is not used initially. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to accelerate Microchip PIC16LF18456 selection and second-source qualification.

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PIC16LF18456-I/SS - 28KB Flash 8-bit MCU | Microchip XLP
PIC16LF18456-I/SS

PIC16LF18456-I/SS - 28KB Flash 8-bit MCU | Microchip XLP

The Microchip PIC16LF18456-I/SS is an 8-bit PIC16 microcontroller in the PIC16(L)F184xx XLP family, featuring 28KB (16K x 14) of Flash program memory, 2KB SRAM, and 256B EEPROM, packaged in a 28-pin SSOP (5.30mm body width). The device runs from a wide 1.8V to 3.6V supply and is specified for an industrial -40C to +85C ambient temperature range. An 8-bit PIC microcontroller is a Harvard-architecture RISC device with separate program and data buses, optimized for low-power deterministic embedded control. PIC MCUs sit within the broader microcontroller taxonomy alongside 32-bit ARM Cortex-M and RISC-V MCUs, typically chosen for cost-sensitive, low-power, and interrupt-driven designs where deterministic timing matters more than raw compute throughput. Key features include a 32MHz internal oscillator, a 12-bit Analog-to-Digital Converter with Computation (ADC2), two 10-bit PWMs, a 5-bit DAC, comparators, CWG (Complementary Waveform Generator), EUSART, and two SPI/I2C peripherals - all branded as Core Independent Peripherals (CIPs). These CIPs let hardware handle timing-critical tasks without CPU intervention, reducing firmware complexity and active-mode current draw. The PIC16LF18456-I/SS uses Microchip's eXtreme Low-Power (XLP) technology, which is the family-level feature that enables deep-sleep currents in the nanoamp range and active currents in the microamp-per-MHz range. The 12-bit ADC2 with computation capability performs averaging, filtering, and threshold comparison in hardware - ideal for sensor signal conditioning without CPU load. Typical applications include battery-powered IoT sensor nodes, low-power wireless modules, HVAC and building automation controls, consumer appliances, and industrial sensor interfaces. Designers select this part when they need more code space and analog integration than entry-level PIC16F devices, while staying within the 8-bit XLP power envelope. When designing, ensure the configuration words (CONFIG1/CONFIG2) are properly set for the chosen clock source, brown-out reset, and watchdog behavior, since PIC MCUs are configured by hardware fuses rather than firmware registers. Use MPLAB X IDE with XC8 compiler for development. This page synthesizes distributor pricing, drop-in PIC16LF184xx family alternatives, and practical design notes that complement - but do not replace - the official Microchip datasheet.

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PIC16LF18456-I/STX - 8-Bit XLP MCU, 28KB Flash, 32MHz | Microchip
PIC16LF18456-I/STX

PIC16LF18456-I/STX - 8-Bit XLP MCU, 28KB Flash, 32MHz | Microchip

The Microchip Technology PIC16LF18456-I/STX is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, featuring eXtreme Low-Power (XLP) technology, 28KB Flash program memory, 2KB RAM, and a 32MHz internal oscillator, housed in a 28-pin VQFN (4x4 mm) package with exposed thermal pad. The "LF" prefix denotes the wide 1.8V to 3.6V operating voltage range, making it ideal for battery-powered designs. The "I" denotes the industrial -40C to +85C temperature grade. A PIC microcontroller is a Harvard-architecture, RISC-based 8-bit MCU family from Microchip Technology, widely used in embedded systems for sensing, control, and communication. Within the broader semiconductor taxonomy, it sits as: PIC16 -> PIC microcontroller -> 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. PIC MCUs are distinguished from ARM Cortex-M competitors by their deterministic instruction set, integrated Core Independent Peripherals (CIPs), and a vast ecosystem of MPLAB X IDE, MCC code generators, and application notes. The PIC16LF18456 specifically targets low-power sensor nodes, IoT end-points, and human-interface applications. Key features include 28KB (16K x 14 words) of self-programmable Flash, 2KB SRAM, 256 bytes of EEPROM, an integrated 12-bit ADC with Computation (ADC2), multiple Core Independent Peripherals such as Complementary Waveform Generator (CWG), configurable logic cells, and a 5-bit DAC. The device offers two SPI/I2C, one EUSART, two PWMs, and a comparator. The 28-VQFN (4x4 mm) exposed-pad package delivers a compact footprint with low thermal resistance for SMD mass-production designs. Technically, the PIC16LF18456 leverages a modified Harvard architecture with a 14-bit instruction word, allowing single-cycle execution on most instructions at 32MHz (8MHz instruction cycle). The XLP technology includes nanoWatt XLP sleep modes, typically drawing under 50 nA in deep sleep with RAM retention, and active current in the microamp range. Core Independent Peripherals (CIPs) handle tasks without CPU intervention, enabling the CPU to remain in sleep while the peripherals execute communications, waveform generation, or analog conversions. Typical applications include IoT sensor nodes, battery-powered remote controls, low-power wireless sensor hubs (paired with Sub-GHz or BLE modules), wearable health monitors, smart-home edge devices, and industrial sensor interfaces. Designers choose this MCU when ultra-low power consumption, integrated analog (ADC2/DAC), and a small footprint are required simultaneously. Designers should plan decoupling carefully: place a 0.1 uF ceramic bypass capacitor on each VDD pin within 3 mm, and use the exposed pad as a thermal and ground path with at least 4 thermal vias. Configuring the device for low-power operation requires disabling unused peripherals via the PMD registers, then placing the CPU in sleep with wake-up via interrupt on change or peripheral event. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical XLP design notes that go beyond the manufacturer datasheet summary.

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PIC16LF18456T-I/SO - 8-bit MCU, 28KB Flash, 32MHz, 28-SOIC | Microchip
PIC16LF18456T-I/SO

PIC16LF18456T-I/SO - 8-bit MCU, 28KB Flash, 32MHz, 28-SOIC | Microchip

The Microchip Technology PIC16LF18456T-I/SO is an 8-bit PIC microcontroller built on the enhanced mid-range core, offering 28KB of program Flash, 2KB of SRAM, and 256 bytes of EEPROM in a 28-pin SOIC package. It operates up to 32MHz from a wide 1.8V-3.6V supply range and integrates Core Independent Peripherals (CIPs) including a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two 10-bit PWMs, comparators, CWG, EUSART, and two SPI/I2C interfaces. The "LF" prefix denotes the eXtreme Low-Power (XLP) variant, with nanoWatt sleep modes suited for battery-powered designs. An 8-bit PIC microcontroller is a compact, deterministic RISC processor widely used in embedded control. Within the broader taxonomy, it sits under microcontroller (MCU) -> embedded processor -> semiconductor IC. Microchip's PIC16 architecture uses a Harvard design with separate program and data buses, enabling single-cycle instruction execution and predictable interrupt latency. The "LF" XLP series optimizes quiescent current to microampere and nanoampere ranges for sleep, idle, and doze modes, making it competitive with low-power ARM Cortex-M0+ parts in energy-sensitive applications such as wearables, IoT sensors, and remote controls. Key features include hardware CWG (Complementary Waveform Generator) for synchronous H-bridge and PFC drive, the ADC2 with averaging, oversampling, and threshold comparison, plus Memory Access Partitioning (MAP) for bootloader support. The device supports up to 25 mA source/sink per I/O, on-chip debug via ICD, and an internal 32MHz oscillator trimmed to within ±1% across temperature and voltage. Typical applications span low-power IoT nodes, sensor signal conditioning, motor control, LED lighting drivers, and battery chargers. The rich analog-mixed-signal integration often eliminates a companion op-amp or external ADC, reducing BOM cost. When designing, place 0.1µF and 1µF decoupling capacitors adjacent to VDD and AVdd pins and route the analog reference (VREF+) with a Kelvin connection to the source pad. The PIC16LF18456T-I/SO is shipped in tape and reel with an industrial -40°C to +85°C operating range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16LF1847-E/ML - 8-Bit 32MHz XLP MCU, 14KB Flash | Microchip
PIC16LF1847-E/ML

PIC16LF1847-E/ML - 8-Bit 32MHz XLP MCU, 14KB Flash | Microchip

The Microchip PIC16LF1847-E/ML is an 8-bit PIC16 microcontroller in the 28-pin QFN (6x6 mm) package, featuring 14 KB Flash program memory, 1 KB RAM, and a 32 MHz internal oscillator with XLP (eXtreme Low Power) technology. The 'LF' prefix designates the wide 1.8V to 3.6V operating range suited to battery-powered designs, while the 'E' suffix indicates the extended -40C to +125C industrial temperature grade. The device integrates mTouch capacitive-sensing peripherals, two 8-bit timers, one 16-bit timer, enhanced PWM, ECCP, ADC, comparators, and the hardware Capacitive Voltage Divider (CVD) for touch sensing. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data path, optimized for low-power, deterministic real-time control. It belongs to the hierarchy: microcontroller -> embedded processor -> semiconductor IC. The PIC16LF1847 belongs to Microchip's PIC16F/LF mid-range family, which sits between the PIC10/12/16 base-line family and the PIC18 high-performance family in Microchip's 8-bit portfolio. Key features include active sleep current as low as 20 nA at 1.8V, watchdog timer current of 300 nA at 1.8V, and Timer1 oscillator current of 650 nA at 32 kHz, making the part suited for always-on IoT sensors that spend 99 percent of their life in sleep. Operating current is 65 uA/MHz at 1.8V typical. The 28-QFN (6x6) package provides 16 general-purpose I/O pins, with peripherals mapped through Peripheral Pin Select (PPS) for layout flexibility. Typical applications include battery-powered sensor nodes, capacitive touch user interfaces, low-power wireless sensor endpoints, energy-harvesting devices, and consumer electronics requiring extended battery life. Designers benefit from the on-board 32 MHz internal oscillator and the integrated CVD module, which removes the need for external touch-sense hardware. A practical design tip is to budget for a 100 nF decoupling capacitor within 5 mm of the VDD pin and a 10 uF bulk capacitor on the main rail. Avoid leaving unused I/O pins floating - configure them as outputs low or inputs with internal weak pull-ups to keep sleep current at the 20 nA datasheet figure. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet, including a side-by-side comparison against same-package PIC16LF and PIC16F family members from Microchip.

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PIC16LF1847-E/MV - 14KB Flash 28-pin XLP MCU | Microchip
PIC16LF1847-E/MV

PIC16LF1847-E/MV - 14KB Flash 28-pin XLP MCU | Microchip

The Microchip PIC16LF1847-E/MV is an 8-bit Flash microcontroller based on the enhanced mid-range PIC16 core with 49 instructions and 16 stack levels, packaged in a 28-pin UQFN with exposed pad (MV suffix). The device integrates 14KB of self-read/write Flash program memory, 1KB of RAM, and up to 32 MHz internal oscillator operation, providing a compact compute platform for low-power embedded designs. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and peripherals such as timers, ADCs, and communication interfaces. The PIC16 (L)F1847 belongs to the nanoWatt XLP Technology family (XLP = eXtreme Low Power), which targets battery-powered and energy-harvesting applications through aggressive sleep-mode current reduction. Within Microchip's taxonomy, this places the part at the bottom of the PIC16 enhanced mid-range hierarchy, sitting above baseline PIC10/12/16 and below PIC18 and dsPIC architectures. Key features include a wide 1.8V to 3.6V supply range (LF low-voltage variant), support for 16 I/O pins, integrated ADC, multiple timers, EUSART, MSSP (SPI/I2C), and on-chip voltage reference. NanoWatt XLP technology delivers sleep currents measured in the nanowatt range, enabling years of operation from a single coin cell. The 28-pin UQFN exposed-pad package provides a compact 4x4 mm footprint suitable for space-constrained designs while improving thermal dissipation through the EP. Architecturally, the device uses a Harvard-style RISC core with separate program and data buses, two full 16-bit File Select Registers (FSRs) for indirect addressing, and a hardware-accumulative Multiply instruction. Compared with the older PIC16F1847 (5V) variant, the LF version trades the wider supply range for lower-voltage operation optimized for 2-cell battery or regulated 3.3V rails. Typical applications include battery-powered sensor nodes, IoT edge devices, consumer remote controls, low-power industrial monitors, and battery-backed accessories such as wireless thermostats or wearables. Designers favor this part when program memory (14KB) exceeds simpler PIC12/16F alternatives but the full PIC18 footprint is unnecessary. Design consideration: most PIC16 LF parts require careful oscillator configuration to balance wake-up time against quiescent draw; verify that LF (low-voltage) vs F (full-voltage) variants are not mixed on the same PCB, since 5V inputs will damage the LF device. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical engineering design notes that complement the manufacturer datasheet and accelerate component selection.

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PIC16LF1847-E/SS - 14KB Flash 8-bit MCU, 32MHz, SSOP-20 | Microchip
PIC16LF1847-E/SS

PIC16LF1847-E/SS - 14KB Flash 8-bit MCU, 32MHz, SSOP-20 | Microchip

The Microchip Technology PIC16LF1847-E/SS is an 8-bit PIC16 family flash microcontroller featuring 14KB of program memory, 1KB of RAM, and a 32MHz internal oscillator, housed in a 20-pin SSOP package. It integrates the enhanced mid-range core with 49 instructions, a 16-level stack, and NanoWatt XLP technology for ultra-low-power operation. The 'LF' prefix denotes the wide-voltage variant supporting 1.8V to 3.6V supply for battery-powered designs. An 8-bit microcontroller is a single-chip computer that processes data 8 bits at a time using a reduced instruction set, typically embedded inside larger products to handle I/O, timing, and simple control tasks. Within the broader taxonomy, the PIC16LF1847 belongs to the PIC16 family -> 8-bit PIC microcontrollers -> microcontrollers (MCU) -> microcontrollers and processors -> semiconductors. Its NanoWatt XLP feature, mTouch capacitive sensing peripherals, and peripheral pin select (PPS) place it in the mid-range 8-bit tier, suitable for applications that need more peripherals than a baseline PIC10/PIC12/PIC16F182x part but do not require a 16-bit dsPIC or 32-bit ARM Cortex-M MCU. Key features include 14KB self-read/write flash program memory, 1KB data SRAM, 256 bytes of EEPROM, 16 I/O pins, a 10-bit ADC with up to 17 channels, multiple PWM modules, mTouch capacitive touch sensing hardware, and an internal 32MHz oscillator. The SSOP-20 footprint (5.30 mm body width) keeps board space small while exposing the full enhanced-mid-range peripheral set. The enhanced mid-range core executes instructions in 125 ns at 32 MHz (8 MHz instruction-rate), with two full 16-bit File Select Registers for direct, indirect, and relative addressing. The integrated nanoWatt XLP sleep modes drop quiescent current below 1 µA in deep sleep, enabling multi-year coin-cell lifetimes in remote sensors. Typical applications include capacitive touch user interfaces, battery management front-ends, low-power wireless sensor nodes, consumer white goods, and LED lighting controllers. The wide operating voltage range allows direct connection to a single 3V coin cell or two AA alkaline cells. The mTouch peripheral eliminates the need for external mechanical buttons, reducing BOM cost in human-machine interfaces. When designing with the PIC16LF1847, ensure the supply voltage stays within 1.8V to 3.6V; the non-'LF' PIC16F1847 variant is required for 5V operation. Decouple VDD with a 100 nF capacitor placed within 5 mm of the pin, and configure the PPS registers before assigning digital peripherals to physical pins if SMS alerts are needed. This page synthesizes the verified Microchip PIC16(L)F1847 datasheet (document 40001453G), current distributor pricing tiers from DigiKey and Mouser, and practical design notes not present on a single distributor product page.

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PIC16LF1847-I/ML - 14KB Flash 8-bit MCU 32MHz 28-QFN | Microchip
PIC16LF1847-I/ML

PIC16LF1847-I/ML - 14KB Flash 8-bit MCU 32MHz 28-QFN | Microchip

The Microchip Technology PIC16LF1847-I/ML is an 8-bit PIC microcontroller built on the Enhanced Mid-range core with 49 instructions and 16 stack levels, offering 14KB (8K x 14) of self-read/write Flash program memory, 1KB RAM, and 256 bytes of EEPROM in a 28-pin QFN (6x6 mm) package with exposed pad. It executes instructions at up to 32MHz (8 MIPS) from an internal oscillator, while operating over the NanoWatt XLP ultra-low-power range of 1.8V to 3.6V and the LF industrial temperature grade of -40C to +85C. An 8-bit PIC microcontroller is a Harvard-architecture, RISC-based single-chip computer that integrates CPU, Flash program memory, data RAM, EEPROM, and configurable peripherals (ADC, PWM, USART, MSSP, comparators, timers) into one IC. Within the broader semiconductor taxonomy, PIC16F/LF devices sit under Microcontrollers -> Integrated Circuits; the PIC16LF1847 specifically belongs to the PIC16F1847 product family aimed at low-power XLP embedded designs and is supported by the MPLAB X IDE and XC8 toolchain. Key differentiating features of the PIC16LF1847 include the mTouch capacitive-touch sensing peripheral, the nanoWatt XLP sleep modes with currents as low as 20 nA in deep sleep, an internal 32MHz oscillator, and up to 16 enhanced I/O pins. It also integrates a 12-channel 10-bit ADC, two analog comparators with a 5-bit DAC reference, multiple capture/compare/PWM modules, MSSP (SPI/I2C), Enhanced USART, and a 32kHz internal low-power oscillator for RTC-style wake-ups. The Enhanced Mid-range core introduces C-friendly optimizations, hardware-context save/restore via shadow registers, and DOZE/IDLE power modes. With self-read/write Flash and a configurable 16-level deep hardware stack (optional overflow/underflow reset), firmware upgrades in the field are practical. The peripheral pin-select (APFCON0/APFCON1) registers allow most digital functions to be remapped to alternative pins, simplifying PCB routing on tight 6x6 mm QFN layouts. Typical applications include low-power IoT sensor nodes with capacitive touch, battery-powered remote controls, household white goods user interfaces, wireless sensor front-ends paired with sub-GHz transceivers, and small embedded controllers in medical or industrial handheld devices. The wide operating voltage and ultra-low sleep current make it attractive for energy-harvesting and coin-cell designs. Designers should note that the QFN-28 package requires thermal vias under the exposed pad for adequate heat dissipation, and decoupling capacitors must be placed within 3 mm of VDD/AVDD pins. For ultra-low-power designs, verify that unused peripherals are explicitly disabled in firmware and that the device is configured into Sleep rather than Idle when full CPU suspension is acceptable, since Idle keeps the oscillator running. This page synthesizes distributor pricing, drop-in QFN-28 alternatives within the PIC16LF1847 family and competitor equivalents, and practical design notes that go beyond the raw datasheet content, giving engineers a single reference for sourcing and design-in decisions.

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PIC16LF1847-I/P - 8-Bit 32MHz 14KB Flash XLP MCU | Microchip
PIC16LF1847-I/P

PIC16LF1847-I/P - 8-Bit 32MHz 14KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF1847-I/P is an 8-bit PIC16 enhanced mid-range microcontroller with 14KB (8K x 14) of Flash program memory and 1KB of RAM, packaged in an 18-pin PDIP through-hole form factor. It runs at up to 32MHz internal clock and supports an operating voltage range from 1.8V to 3.6V on the LF (low-power) variant. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral blocks such as timers, ADC, comparators, and communication controllers. The PIC16 family sits at the low-power, low-cost end of Microchip's 8-bit portfolio and is widely used in consumer, industrial, and battery-powered embedded designs. The LF prefix designates the wide-voltage low-power XLP (eXtreme Low Power) family, while the F variant operates only from 2.0V to 5.5V. The PIC16LF1847 specifically targets capacitive-touch (mTouch) and mixed-signal applications that need ADC, comparators, PWM, and CIP (Core Independent Peripherals) in a single device. Key features include 16 I/O pins with 25mA sink/source capability, a 12-channel 10-bit ADC, two analog comparators, mTouch capacitive sensing hardware, two PWM modules with ECCP, an EUSART, two MSSP (I2C/SPI) modules, and NanoWatt XLP sleep currents in the sub-microamp range. The integrated capacitive touch peripheral eliminates external analog front ends for buttons, sliders, and proximity sensors. The 16-level hardware stack and 49-instruction enhanced mid-range core simplify code development in MPLAB X IDE with XC8 compilers. The architecture centers on a Harvard RISC core with separate program and data buses. Internal 32MHz oscillator accuracy, combined with PLL, removes the need for external crystals in many applications. The device also supports in-circuit serial programming (ICSP) and in-circuit debugging via ICD/PICkit tools. The integrated CIP peripherals - like the Complementary Waveform Generator and Configurable Logic Cell - allow hardware-driven sequencing that offloads tasks from the CPU, further reducing active current. Typical applications include capacitive-touch user interfaces, low-power remote sensors, battery-powered IoT nodes, white goods and HVAC controls, and small motor/lighting controllers. The mTouch peripheral is particularly suited to waterproof touch panels and proximity wake-up systems. The wide voltage range makes the device tolerant of unregulated battery chemistries (alkaline, NiMH, single-cell Li-ion). When designing with this part, ensure decoupling is placed within 5mm of VDD with a 100nF ceramic plus a bulk 10uF cap. For capacitive-touch layouts, follow Microchip's mTouch PCB guidelines - guarded traces, grounded hatched planes, and matched sensor traces for accurate readings. The 18-pin PDIP package simplifies breadboarding and rework on through-hole prototypes. This page consolidates distributor pricing, parametric comparison against alternative PIC16 parts, and practical design guidance not found in the manufacturer datasheet alone. Pricing reflects DigiKey listings as of 2026-09-24; verify stock directly with the distributor before placing volume orders.

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