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PIC16LF18426-E/P - 8-bit XLP MCU, 32MHz, 28KB Flash, 14-PDIP | Microchip
PIC16LF18426-E/P

PIC16LF18426-E/P - 8-bit XLP MCU, 32MHz, 28KB Flash, 14-PDIP | Microchip

The Microchip Technology PIC16LF18426-E/P is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, delivering 32 MIPS core performance from a 32 MHz internal oscillator and packaged in a 14-pin PDIP (through-hole) format. It integrates 28 KB of Flash program memory, 2 KB of SRAM, and a rich set of Core Independent Peripherals (CIPs) including 2 PWMs, a Comparator, a 5-bit DAC, a 12-bit ADCC, the Configurable Logic Cell (CLC), the Complementary Waveform Generator (CWG), and EUSART / SPI / I²C serial interfaces for flexible connectivity. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and a configurable set of peripherals such as timers, ADCs, and communication interfaces. Within the broader taxonomy, this part is an 8-bit RISC microcontroller → microcontroller → embedded processor → semiconductor. The PIC16F architecture is one of the longest-deployed 8-bit RISC cores in industry, prized for deterministic interrupt latency and a compact, deterministic instruction set, and the 184xx family extends it with CIPs that execute complex timing and signal-conditioning tasks in hardware without CPU intervention. Key features include eXtreme Low-Power (XLP) technology with deep-sleep currents in the nanoampere range, an active current budget suited to battery-powered applications, and an operating voltage range that supports both 3.3V and 5V system rails. The 14-pin PDIP package allows easy breadboarding, through-hole soldering, and field-replacement — making this part especially attractive for prototypes, hobby projects, educational kits, and industrial controllers where socketed MCUs are common. Typical applications include IoT sensor nodes, low-power remote controls, battery-powered instrumentation, LED lighting controllers, simple motor-control loops, and industrial sensor signal conditioning. Engineers select this device when they need more analog integration than smaller-pin PICs offer but still want through-hole prototyping convenience. A key design consideration is the 'LF' suffix indicating the low-voltage / F-version silicon: this device operates down to 1.8V and is the preferred choice for coin-cell or Li-Ion battery systems; for designs that must run up to 5.5V, the PIC16F18426-E/P (non-LF) is the recommended counterpart. Always add a 0.1 µF decoupling capacitor close to VDD and follow Microchip's startup configuration guidelines to achieve the rated nanoampere sleep currents. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes that go beyond the manufacturer brief — including same-package replacement guidance and reference to companion CIP-friendly MCUs.

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PIC16LF18426-E/SL - 8-bit MCU, 28KB Flash, 32MHz, XLP | Microchip
PIC16LF18426-E/SL

PIC16LF18426-E/SL - 8-bit MCU, 28KB Flash, 32MHz, XLP | Microchip

The Microchip Technology PIC16LF18426-E/SL is an 8-bit RISC microcontroller from the PIC16 (L)F184xx family, featuring 28KB (16K x 14 words) of Flash program memory and 2KB of SRAM data memory, operating at up to 32MHz internal core clock. The device is housed in a 14-pin SOIC (SL) package with an industrial -40C to +125C extended operating temperature range, designated by the "E" temperature suffix and "L" (low-power) voltage variant. An 8-bit PIC microcontroller is a single-chip computer built around a RISC core with separate program and data buses (Harvard architecture), which executes one instruction per clock cycle for predictable real-time performance. The PIC16F184xx family extends this baseline with Core Independent Peripherals (CIPs) such as CWG, NCO, and configurable logic cells, plus eXtreme Low-Power (XLP) modes for battery-sensitive designs. The "LF" prefix denotes a wide 1.8V to 3.6V supply range, differentiating it from the "F" variants (2.3V to 5.5V) within the same die family. Key features include a 12-bit ADC with Computation (ADCC) supporting up to 11 channels, a 5-bit DAC, two PWMs with complementary outputs, a Comparator, Zero-Cross Detect (ZCD), temperature sensor, Fixed Voltage Reference (FVR), EUSART, SPI, and I2C communication peripherals. The device integrates 256 bytes of EEPROM and includes peripheral pin select (PPS) for flexible signal routing. These CIPs allow hardware-level state machine control without CPU intervention, reducing active-mode current draw. The PIC16LF18426 uses a modified Harvard RISC core with 14-bit instruction words and an internal 32MHz oscillator block with four selectable PLL modes. XLP technology provides typical 50 nA sleep current in Retention mode and sub-uA RTC current from the 32kHz LFINTOSC, enabling multi-year coin-cell battery operation. The integrated 12-bit ADCC performs averaging, oversampling, and threshold comparisons autonomously. Typical applications include IoT sensor nodes, wearable health devices, battery-powered remote controls, low-power wireless HMI controllers, energy-harvesting systems, and industrial sensor signal conditioning with on-chip analog. The wide 1.8V to 3.6V VDD range supports single-cell alkaline, NiMH, or Li-MnO2 battery chemistries directly without external regulation. When designing with this MCU, configure PPS to map peripherals to the limited 14-pin SOIC I/O set and verify the 2KB SRAM budget for buffered communication stacks. Choose the "LF" variant only when sub-3.6V supply is mandatory; otherwise the "F" variant (PIC16F18426) is more readily available. This page synthesizes distributor pricing from DigiKey/Mouser/LCSC, drop-in SOIC-14 same-family alternatives from Microchip, and practical XLP design notes not consolidated in the manufacturer datasheet.

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PIC16LF18426-E/ST - 8-bit MCU, 32MHz, 28KB Flash, 14-TSSOP | Microchip
PIC16LF18426-E/ST

PIC16LF18426-E/ST - 8-bit MCU, 32MHz, 28KB Flash, 14-TSSOP | Microchip

The Microchip Technology PIC16LF18426-E/ST is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, featuring a RISC core optimized for C compilers running at up to 32 MHz with a 125 ns minimum instruction cycle. The device integrates 28 KB of Flash program memory (16K x 14 words), 2 KB of SRAM, and ships in a 14-pin TSSOP package (E/ST suffix indicates extended temperature, TSSOP). It is part of Microchip's eXtreme Low Power (XLP) product family, suited for battery-powered and energy-harvesting applications. What is a PIC16 microcontroller? A PIC16 microcontroller is a class of 8-bit RISC microcontrollers from Microchip Technology built on a Harvard architecture with separate program and data buses. The PIC16LF18426 belongs to the PIC16 family > mid-range 8-bit MCU > microcontroller > embedded processor > semiconductor. It is the workhorse tier of Microchip's 8-bit portfolio, positioned above baseline PIC10/PIC12 and below 16-bit PIC24/dsPIC33 devices. The 'LF' prefix denotes an extended voltage window (typically 1.8 V to 3.6 V) for low-power operation, while the 'F' family in the part number indicates Flash program memory. Key features of the PIC16LF18426-E/ST include: a 12-bit ADC with Computation (ADCC) capable of up to 140 ksps, a 5-bit DAC, two PWMs with complementary outputs, a Comparator, Zero-Cross Detect (ZCD), Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), and a temperature sensor. Communication peripherals cover EUSART, SPI, and I2C. Core Independent Peripherals (CIPs) handle tasks in hardware without CPU intervention, reducing wake events and lowering system power consumption. Technically, the device supports multiple power-saving modes including Sleep, Idle, and Doze, with a typical Sleep current in the nanoampere range thanks to XLP technology. The 32 MHz internal oscillator eliminates the need for an external crystal in many designs, while the 14-bit instruction word and 8-level hardware stack simplify firmware development in MPLAB X IDE with XC8 compilers. Typical applications include IoT sensor nodes, low-power wireless transmitters, consumer appliances, battery management front-ends, smart home controls, LED lighting controllers, and small motor control loops. The TSSOP-14 footprint suits compact handheld designs where board real estate is at a premium and a full 20-pin variant would be excessive. When designing with the PIC16LF18426-E/ST, pay attention to the I/O count - the 14-pin package exposes fewer GPIO than the 20-pin variants in the same family. Engineers migrating from PIC16LF18425 or PIC16LF18325 silicon should verify pin mapping because peripheral remapping differs across pin counts in this family. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF18426-I/JQ - 28KB Flash 8-bit MCU | Microchip XLP | 16-UQFN
PIC16LF18426-I/JQ

PIC16LF18426-I/JQ - 28KB Flash 8-bit MCU | Microchip XLP | 16-UQFN

The Microchip Technology PIC16LF18426-I/JQ is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring 28KB Flash, 2KB SRAM, and a rich set of Core Independent Peripherals (CIPs), housed in a compact 16-pin UQFN (4x4 mm) package with exposed pad. It operates from a wide 1.8V to 3.6V supply, runs at 32MHz internal oscillator, and integrates eXtreme Low-Power (XLP) technology for battery-friendly designs. The part carries the -I (industrial) temperature grade of -40C to +85C and is supplied on tape and reel. An 8-bit PIC microcontroller is a small, low-power programmable processor built around a Harvard-architecture RISC core. Within the broader taxonomy, PIC MCUs belong to microcontrollers (MCU) -> embedded processors -> semiconductors. They are favored for deterministic behavior, low quiescent current, and integrated analog/digital peripherals that reduce or eliminate external components, making them ideal for sensor nodes, consumer appliances, and ultra-low-power IoT endpoints where ARM Cortex-M0 parts would be over-spec and over-budget. Key features include 28KB (16K x 14) self-programmable Flash program memory, 2KB SRAM data memory, a 12-bit ADC with Computation (ADCC) for oversampling and averaging, a 5-bit DAC, two PWM modules, a comparator, a Complementary Waveform Generator (CWG), and serial interfaces including EUSART, SPI, and I2C. The device also provides up to 17 I/O pins and configurable logic cells, allowing designers to replace discrete glue logic with on-chip functions. The 12-bit ADCC delivers higher effective resolution than typical 10-bit MCU ADCs, while XLP sleep currents below 50 nA enable multi-year coin-cell lifetimes. Architecturally, the PIC16LF18426 uses a 14-bit instruction word with a 16-level hardware stack and an 8-bit data path. The ADCC integrates accumulation, averaging, and threshold comparison in hardware, offloading these tasks from the CPU and reducing firmware complexity. The CWG can synthesize complementary PWM outputs with programmable dead-band, useful for half-bridge driver control without dedicated timer resources. Typical applications include battery-powered sensor nodes, low-power IoT endpoints, white goods and small appliance controls, LED driving fixtures and lighting controllers, and remote controls. The wide operating voltage and ultra-low sleep current make it well suited to products that spend most of their time in sleep and only wake briefly to acquire and transmit data. When designing with this device, plan GPIO usage carefully because the 16-pin UQFN package exposes only a subset of the die's peripheral pins. Use MPLAB X IDE with the XC8 compiler and MPLAB Code Configurator (MCC) for peripheral setup. Place a 0.1uF decoupling capacitor close to VDD and tie the exposed pad to ground for thermal and electrical performance. This page synthesizes distributor pricing from Mouser, DigiKey, and Octopart, drop-in same-package alternatives within the PIC16LF184xx family, and practical design notes not found in the bare datasheet.

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PIC16LF18426-I/ST - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip
PIC16LF18426-I/ST

PIC16LF18426-I/ST - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip

The Microchip Technology PIC16LF18426-I/ST is an 8-bit PIC microcontroller built on the eXtreme Low Power (XLP) architecture, offering 28KB of Flash program memory, 2KB of RAM, and a 32MHz internal oscillator in a 14-pin TSSOP (ST) package. The "LF" variant supports a wide 1.8V to 3.6V operating voltage, while the industrial-grade "I" temperature suffix qualifies the device for -40C to +85C ambient operation. The PIC16 core uses a 14-bit instruction word with a modified Harvard architecture, delivering deterministic interrupt latency and Core Independent Peripherals (CIPs) that offload tasks like signal generation and conversion sequencing from the CPU. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, and configurable peripherals onto one silicon die. The PIC16 family sits in the hypernym hierarchy 8-bit MCU -> microcontroller -> embedded processor -> semiconductor, and the XLP series specifically targets battery-powered and energy-harvesting designs where quiescent current draw (typically in the nanoamp range in sleep modes) directly determines end-product battery life. Key features of the PIC16LF18426-I/ST include a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 5-bit DAC, two PWMs with complementary outputs, a Comparator, a Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), and the EUSART, SPI, and I2C serial interfaces. The CIP block combines these peripherals so timing-critical operations run without CPU intervention. Hardware-limited brown-out-reset and watchdog timers contribute to functional safety-aware designs. Typical applications include low-power IoT sensor nodes, battery-powered HVAC controllers, handheld instrumentation, LED lighting controllers, and consumer appliances. The wide operating voltage and the rich analog/peripheral set make it especially suitable for general-purpose embedded designs that must remain in sleep for long periods. When designing with the PIC16LF18426-I/ST, use MPLAB X IDE with XC8 compiler and configure the IDLE/DOZE modes to minimize active current. Place a 0.1uF decoupling capacitor within 5mm of the VDD pin and follow Microchip's TSSOP-14 land pattern recommendations to ensure EMI and thermal performance meet datasheet limits. This page consolidates distributor pricing, drop-in compatible alternatives, and practical design notes that are not always immediately obvious from the manufacturer's datasheet.

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PIC16LF18426T-I/JQ - 8-bit 32MHz MCU 28KB Flash 16-UQFN | Microchip
PIC16LF18426T-I/JQ

PIC16LF18426T-I/JQ - 8-bit 32MHz MCU 28KB Flash 16-UQFN | Microchip

The Microchip Technology PIC16LF18426T-I/JQ is an 8-bit PIC microcontroller built on the eXtreme Low-Power (XLP) PIC16F platform, delivering up to 32 MHz CPU performance with 28 KB (16K x 14 words) of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM. It integrates 11 channels of 12-bit ADCC (Analog-to-Digital Converter with Computation), a 5-bit DAC, two PWMs, a Comparator, a CWG (Complementary Waveform Generator), and EUSART/SPI/I2C communication peripherals, all housed in a compact 16-lead UQFN (4 x 4 mm) package. The "LF" prefix denotes the low-voltage variant that operates from 1.8 V to 3.6 V with active current draw measured in microamps, making it optimized for battery-powered designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), and a rich set of peripherals onto one silicon die. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers, which are a subset of embedded processors, which fall under logic ICs, which belong to integrated circuits. The PIC16 family specifically is Microchip's mid-range 8-bit architecture used in industrial, consumer, automotive, and IoT applications. Key features include XLP technology with sub-microamp sleep currents, peripheral pin select (PPS) for flexible signal routing, and Core Independent Peripherals (CIPs) that offload tasks from the CPU. The 12-bit ADCC enables automated averaging, burst averaging, and threshold-based scanning without CPU intervention, while the CWG provides complementary outputs for switching power supplies and motor control stages. Architecturally, the part uses a Harvard RISC core with a 14-bit instruction word and 8-bit data path, supported by a configurable instruction set and hardware multiply/divide assist. The integrated 5-bit DAC and rail-to-rail analog comparators enable closed-loop control on the same die, reducing PCB complexity. NanoWatt XLP modes (sleep, deep sleep, RTC running) extend battery life for IoT endpoints expected to last years on a single CR2032. Typical applications span industrial sensor nodes, automotive body electronics and lighting controls, consumer home appliances, medical wearable monitors, low-power wireless sensor hubs, and battery-powered IoT devices. The 16-UQFN package conserves board area and supports reflow-compatible hand or automated assembly. For USB-connected or large-display designs, the higher-pin PIC18 families are more appropriate. When designing with this device, apply Microchip's recommended decoupling (100 nF + 1 µF minimum) close to the VDD pin, keep the analog AVDD separate from noisy digital rails, and use MPLAB X IDE with the XC8 C compiler for development. Note that this is the tape-and-reel ("T") variant of the PIC16LF18426 family; if you need trays or a larger package, the PIC16LF18426-I/JQ or -I/SL variants are pin-compatible alternates in the same family. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical firmware/PCB design guidance beyond what the manufacturer datasheet alone provides.

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PIC16LF18426T-I/SL - 28KB Flash 8-bit XLP MCU | Microchip
PIC16LF18426T-I/SL

PIC16LF18426T-I/SL - 28KB Flash 8-bit XLP MCU | Microchip

The Microchip Technology PIC16LF18426T-I/SL is an 8-bit PIC16 microcontroller with 32 MHz internal core speed, 28 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM, packaged in a 14-pin SOIC (SL) operating from 1.8 V to 3.6 V. It belongs to the PIC16LF184xx family featuring eXtreme Low Power (XLP) technology and integrates 2 PWMs, a comparator, a 5-bit DAC, a 12-bit ADCC, a CWG (Complementary Waveform Generator), an EUSART, and SPI/I2C interfaces on a single die. The LF prefix indicates the wide 1.8V-3.6V operating range required for battery-powered designs. An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path, optimized for deterministic real-time control with low power consumption. Within the broader semiconductor hierarchy, an MCU is a microprocessor family -> microcontroller -> 8-bit MCU -> PIC16 family -> PIC16LF184xx sub-family. The PIC16 core uses a RISC-style Harvard architecture with 14-bit instruction words, giving 16 KB words of code space addressable from 28 KB Flash; the LF variant targets low-voltage, battery-backed applications. Key features include XLP sleep currents measured in the tens of nanoamperes, peripheral pin select (PPS) for flexible signal routing, an idle/doze/current-shielding scheme for power budgeting, and Core Independent Peripherals (CIPs) that execute timing-critical tasks without CPU intervention. The 12-bit ADCC and 5-bit DAC support sensor conditioning and bias generation, while the CWG drives synchronous MOSFET half-bridges for LED, motor, or PFC control. The integrated EUSART and SPI/I2C cover most sensor-bus and host-communication requirements. Typical applications include battery-powered IoT sensor nodes, low-power wireless remote controls, wearable health patches, energy-harvesting switches, e-metering peripherals, and industrial sensor conditioning front-ends. In each case the LF voltage range, the nanoampere sleep current, and the 12-bit ADC with internal reference remove the need for a separate analog front-end IC. When designing with this device, budget active and sleep currents separately: peak active current at 32 MHz from a 3.3 V rail is approximately 4-5 mA, while sleep current with the RTCC and ADC active stays below 1 microampere. Configure the PPS mapping early to avoid pin re-routing late in PCB design.

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PIC16LF18444-E/P - 8-Bit XLP MCU, 32MHz, 7KB Flash, 20-PDIP | Microchip
PIC16LF18444-E/P

PIC16LF18444-E/P - 8-Bit XLP MCU, 32MHz, 7KB Flash, 20-PDIP | Microchip

The Microchip Technology PIC16LF18444-E/P is an 8-bit RISC microcontroller from the PIC® XLP™ 16F family, featuring a 32MHz PIC16 CPU core with 7KB (4K x 14 words) of Flash program memory, housed in a 20-pin PDIP (0.300", 7.62mm) through-hole package. The "LF" prefix designates the wide-voltage, low-power variant supporting operation from 1.8V to 3.6V, making it ideal for battery-powered designs where eXtreme Low-Power (XLP) technology extends run-time. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control. The PIC16LF18444 sits within the broader taxonomy of microcontrollers -> embedded controllers -> microprocessors -> semiconductors. Its 8-bit architecture offers simpler instruction set, smaller code footprint, lower cost per MIPS, and predictable interrupt latency compared to 16-bit or 32-bit MCUs, making it well-suited for cost-sensitive, low-power sensor, motor, and IoT edge-node applications rather than graphics-rich or high-throughput DSP tasks. Key features include 7KB Flash program memory, 512 bytes of SRAM, 256 bytes of EEPROM, 12-bit ADC with Computation (ADC2), on-chip DAC, comparators, 2 PWMs, a Complementary Waveform Generator (CWG), and serial communication via EUSART, SPI, and I²C. Core Independent Peripherals (CIPs) handle timing, waveform synthesis, and signal conditioning without CPU intervention, freeing the CPU for application logic. The device uses a Harvard architecture with separate program and data buses, enabling single-cycle instruction execution except for branches. The 12-bit ADC2 with averaging, oversampling, and threshold comparison reduces firmware burden for sensor acquisition. Hardware CIPs including the CWG and configurable logic cells (CLC) implement state machines in silicon, often eliminating the CPU from tight control loops. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, white-goods and home appliance control boards, automotive interior accessories (with appropriate grade), industrial sensor interfaces, and small motor control. The 20-PDIP package suits through-hole prototyping, hobby projects, and educational platforms where hand-soldering and breadboard compatibility are valued. When designing, ensure VDD decoupling follows Microchip's recommended 100nF + bulk capacitor pattern near the IC, reserve the MCLR pin reset circuit, and configure unused pins as outputs to minimize current. For lowest sleep current, disable unused peripherals via PMD registers. This page synthesizes drop-in alternatives, parametric comparisons, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF18444-E/SS - 8-bit MCU, 7KB Flash, 32MHz, SSOP-20 | Microchip
PIC16LF18444-E/SS

PIC16LF18444-E/SS - 8-bit MCU, 7KB Flash, 32MHz, SSOP-20 | Microchip

The Microchip Technology PIC16LF18444-E/SS is an 8-bit RISC PIC microcontroller built on the enhanced mid-range PIC16 CPU core, featuring 7KB of Flash program memory, 512 bytes of SRAM and 256 bytes of data EEPROM, and packaged in a 20-pin SSOP (5.30 mm body width). It operates at clock speeds up to 32 MHz and supports a wide supply range of 1.8 V to 3.6 V with Microchip's eXtreme Low-Power (XLP) technology for battery-friendly designs. An 8-bit PIC microcontroller is a single-chip computer based on a modified Harvard architecture with separate program and data buses, popular for deterministic real-time control in cost-sensitive and low-power embedded applications. Within Microchip's portfolio, PIC16 sits between the baseline PIC10/12/16 families and the 16-bit dsPIC line, and the LF prefix denotes the low-voltage variant for 1.8 V operation. Key features include two 10-bit PWMs (a 16-bit PWM is also available via the CCP module), a 12-bit ADC with Computation (ADCC), an 8-bit DAC, two comparators, a Complementary Waveform Generator (CWG), and configurable logic cells. Communication peripherals include EUSART, SPI and I2C. The 12-bit ADCC supports automated averaging, threshold comparison, and oversampling, reducing CPU overhead for sensor acquisition. The PIC16LF18444 integrates Core Independent Peripherals (CIPs) that operate without CPU intervention - the CWG, configurable logic, and ADCC can implement motor control, lighting, and signal conditioning in hardware. The XLP features deliver nanoWatt sleep currents below 50 nA typical in deep sleep with retention, making the device suitable for energy-harvesting or battery-powered sensor nodes. Typical applications include IoT sensor nodes, low-power wireless sensor transmitters, battery-powered home automation, LED lighting controllers, consumer appliances, and small motor or fan control stages. The wide 1.8 V to 3.6 V supply range lets the device run directly from a single lithium cell or two AA batteries. When designing with this part, budget carefully for the 1.8 V minimum supply - the 32 MHz operation requires at least 3.0 V VDD, while full 32 MHz core speed and ADC performance are only guaranteed above 3.0 V. Use Microchip's MPLAB X IDE with the XC8 compiler for firmware development. This page synthesizes distributor pricing across 9+ channels, drop-in PIC16 family alternatives, and practical low-power design guidance that goes beyond the manufacturer datasheet.

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PIC16LF18444-I/GZ - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip
PIC16LF18444-I/GZ

PIC16LF18444-I/GZ - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip

The Microchip Technology PIC16LF18444-I/GZ is an 8-bit PIC® XLP™ microcontroller built around an enhanced mid-range core running at up to 32MHz, delivering 7KB of Flash program memory and 512B of RAM in a compact 20-pin UQFN (4x4) package. The 'LF' prefix indicates a wide 1.8V to 3.6V supply range paired with eXtreme Low-Power (XLP) technology, while the 'I' suffix denotes the -40°C to +85°C industrial temperature grade. An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control tasks: a CPU, non-volatile program memory, volatile data memory, and a fixed set of peripherals (timers, ADCs, communication ports) integrated onto one die. The 'PIC' architecture sits in the hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Designers choose 8-bit MCUs like the PIC16LF18444 for low-cost, low-power, deterministic interrupt-driven applications where a 32-bit Cortex-M would be overkill and the integrated analog peripherals reduce BOM cost. Key features of the PIC16LF18444-I/GZ include a 12-bit ADC with Computation (ADCC) for averaging and automated threshold detection, an on-chip 5-/10-bit DAC, two PWM peripherals, a Comparator, a Complementary Waveform Generator (CWG), and EUSART plus SPI and I²C interfaces. The family supports Core Independent Peripherals (CIPs) that offload tasks like touch sensing, signal conditioning, and motor control from the CPU, lowering active time and total energy consumption in battery-powered systems. Architecturally, the PIC16LF18444 uses a 14-bit instruction-word modified Harvard design with a hardware stack and vectored interrupts, allowing deterministic interrupt latency for real-time control. XLP technology brings sleep currents in the microamp range and a Windowed Watchdog Timer (WWDT) that can keep a sensor node running for years on a single coin cell. The 20-pin UQFN (4x4 mm) footprint with exposed pad enables thermally efficient, high-density PCB layouts suited to space-constrained wearables and IoT modules. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, low-power wireless sensor end-points, fan/temperature control loops, and small home appliances. The combination of eXtreme Low-Power modes and rich analog peripherals makes the part especially attractive for designers targeting years of battery life without sacrificing signal-acquisition accuracy. When designing with the PIC16LF18444-I/GZ, observe the recommended decoupling scheme (100nF plus 1µF or larger bulk on VDD) and tie unused I/O pins to defined logic levels to minimize leakage during sleep. The exposed thermal pad on the UQFN-20 must be soldered to the PCB ground plane for mechanical reliability and thermal performance; skipping this pad can lead to lifted parts during reflow rework. This page synthesizes distributor pricing, drop-in alternative MPNs from Microchip and qualified third parties, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster path from prototype to production.

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PIC16LF18444-I/SO - 8-bit XLP MCU, 7KB Flash, 32MHz, SOIC-20 | Microchip
PIC16LF18444-I/SO

PIC16LF18444-I/SO - 8-bit XLP MCU, 7KB Flash, 32MHz, SOIC-20 | Microchip

The Microchip Technology PIC16LF18444-I/SO is an 8-bit PIC® microcontroller featuring the enhanced mid-range PIC16 CPU core, 7KB (4K x 14 words) of self-programmable Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM, housed in a 20-pin SOIC (300 mil) package. It operates at up to 32 MHz across a 1.8 V to 3.6 V supply range, and is qualified for the industrial -40 °C to +85 °C temperature grade. The 'I' in the suffix denotes the industrial temperature range and the /SO denotes the 20-lead SOIC package. An 8-bit PIC microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile Flash program memory, data RAM, EEPROM, and a rich set of analog and digital peripherals around a RISC architecture optimized for deterministic real-time control. PIC16LF184xx parts sit in the PIC16 family hierarchy (8-bit MCU -> PIC16 family -> enhanced mid-range core -> XLP low-power family), and they are designed for battery-powered and energy-harvesting applications thanks to eXtreme Low-Power (XLP) technology that delivers nanoWatt sleep currents and active current in the microamp range. Key differentiating specifications include a 12-bit ADC with Computation (ADC2), a 5-bit DAC, two PWM modules with complementary waveform generation (CWG), a comparator, EUSART, SPI and I²C peripherals, and Core Independent Peripherals (CIPs) that offload tasks from the CPU. The integrated 32 MHz internal oscillator and Memory Access Partitioning (MAP) feature let designers balance code protection against firmware update flexibility, while the Device Information Area (DIA) provides on-chip calibration data for temperature sensors and internal references. Architecturally, the LF18444 uses a 14-bit instruction word, a hardware stack, and an instruction set optimized for C-compiled code (XC8). The CIP ecosystem — CWG, NCO, CLC, PWM, and configurable logic — allows complex timing and signal-conditioning functions to run without CPU intervention, lowering power and freeing the core for application logic. This combination of analog density, CIPs, and XLP is what differentiates the LF18444 from older PIC16 baseline parts. Typical applications include portable industrial sensors, low-power IoT edge nodes, battery-powered metering, LED lighting controllers, and general-purpose user-interface boards that need USB-free serial communication. For designs that require a touch-down UART module (DMX/EL wire), the related PIC16LF18446 is a more appropriate choice within the same family. A key design consideration is the 1.8–3.6 V supply window of the 'LF' variant. For systems powered from a 5 V rail or from a single-cell Li-ion above 3.6 V, the designer must either add a pre-regulator or select the PIC16F18444 (5 V) variant. The exposed pad on the SOIC package is not present; thermal dissipation at 32 MHz is small, but exposed-pad DFN/QFN variants of the same die exist for higher-pin-count boards. This page synthesizes Microchip datasheet parameters, distributor pricing as of 2026-09-24, and drop-in alternatives (same SOIC-20 footprint, same PIC16LF18444-family die) that are not listed side-by-side on the Microchip product brief, giving engineers a single source for selection, AE-pairing, and procurement decisions.

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PIC16LF18444-I/SS - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip
PIC16LF18444-I/SS

PIC16LF18444-I/SS - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip

The Microchip Technology PIC16LF18444-I/SS is an 8-bit microcontroller from the PIC16(L)F184xx family, featuring 7KB (4K x 14) of Flash program memory, 512 bytes of SRAM, and a 32MHz internal oscillator in a 20-pin SSOP package. The 'LF' prefix denotes the low-voltage (F) process node that operates across 1.8V to 3.6V, optimized for eXtreme Low-Power (XLP) battery-driven applications. A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory (Flash), data memory (SRAM), peripherals, and I/O into one package. The PIC16F family uses a 14-bit instruction set with a modified Harvard architecture, positioning it within the broader hierarchy: MCU -> embedded controller -> semiconductor IC. The 'LF' low-power variants add XLP technology for sleep currents below 50 nA typical. Key features include two PWM modules, a comparator, a 5-bit and 12-bit DAC, a 12-bit Analog-to-Digital Converter with Computation (ADCC), a Complementary Waveform Generator (CWG), an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), and both SPI and I2C serial interfaces. The 12-bit ADCC supports automated averaging and threshold comparison, offloading signal conditioning from the CPU. The device integrates Core Independent Peripherals (CIPs) that execute hardware functions without CPU intervention, reducing firmware complexity and improving deterministic real-time response. The 32MHz internal oscillator eliminates external crystal cost in cost-sensitive designs, while the XLP nanoWatt XLP sleep mode enables multi-year battery life in duty-cycled sensor nodes. Typical applications include IoT sensor nodes, wearable health monitors, remote controls, low-power wireless transmitters, battery management for portable instruments, and home automation endpoints. The wide peripheral set makes it a strong fit for sensor fusion hubs that must read analog signals, drive PWMs, and communicate over I2C or SPI simultaneously. When designing with this MCU, ensure the supply voltage stays within 1.8V to 3.6V and respect the absolute maximum of 4.0V on VDD. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin, and keep the MCLR pull-up weak (typically 10 kohm) to limit inrush current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for the PIC16LF18444-I/SS.

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PIC16LF18444T-I/GZ - 8-bit 32MHz 7KB Flash XLP MCU | Microchip
PIC16LF18444T-I/GZ

PIC16LF18444T-I/GZ - 8-bit 32MHz 7KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF18444T-I/GZ is an 8-bit PIC microcontroller built on the eXtreme Low Power (XLP) architecture, integrating a 32 MHz internal core, 7 KB of Flash program memory (4K x 14 words), 512 B of SRAM, and 256 B of EEPROM in a compact 20-pin UQFN (4x4 mm) package. It operates from a 1.8 V to 3.6 V supply and is rated for the industrial -40 C to +85 C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and a rich set of peripherals including timers, ADCs, and communication interfaces. Within the broader semiconductor taxonomy, an 8-bit MCU such as the PIC16 sits below 32-bit Cortex-M devices and is preferred when cost, deterministic interrupt latency, and code-efficiency per MHz are the dominant constraints. The PIC16LF18444 belongs to the PIC16(L)F184xx family, which Microchip targets at general-purpose low-power and battery-powered designs. Key features of the PIC16LF18444T-I/GZ include a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a Comparator, a Complementary Waveform Generator (CWG), an EUSART, and SPI/I2C peripherals. The device carries 18 general-purpose I/O pins and integrates Core Independent Peripherals (CIPs) that execute tasks in hardware without CPU intervention, enabling lower system power and faster deterministic response. Architecturally, the PIC16LF18444 uses Microchip's enhanced mid-range 8-bit core with a hardware multiply/accumulate assist and an instruction pipeline that delivers up to 16 MIPS at 32 MHz. The XLP analog and sleep-mode design achieves sub-uA deep-sleep currents, making it well suited for Energy Harvesting and always-on sensor nodes where coin-cell or Li-ion battery life drives the BOM. Typical applications include IoT sensor nodes, low-power wireless companion MCUs, battery-powered medical wearables, industrial telemetry, and consumer remote controls. The combination of small UQFN-20 footprint, 12-bit ADC, and 1.8 V minimum supply also fits wearable health patches and home-automation endpoints. When designing with this part, budget pin count first: 18 I/O plus power/clock pins fit comfortably in 4x4 mm, but if the application needs more peripherals or a different footprint (e.g., SOIC for hand-rework prototypes), a same-family pinout-compatible variant in PIC16LF18424/18426 should be evaluated before laying out the PCB. This page synthesizes distributor pricing, cross-reference alternatives, and design notes for the PIC16LF18444T-I/GZ drawn from Microchip's product page and authorized distributors.

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PIC16LF18444T-I/SO - 32MHz 8-bit MCU, 7KB Flash | Microchip
PIC16LF18444T-I/SO

PIC16LF18444T-I/SO - 32MHz 8-bit MCU, 7KB Flash | Microchip

The Microchip PIC16LF18444T-I/SO is an 8-bit PIC16 microcontroller with 7KB Flash, 512B RAM, and 256B EEPROM, operating up to 32 MHz in a 20-pin SOIC package. The "LF" prefix denotes the low-power "XLP" family variant supporting 1.8 V to 3.6 V supply operation, ideal for battery-powered and energy-harvesting designs. The "T" suffix indicates tape-and-reel packaging, "I" denotes the -40 °C to +85 °C industrial temperature grade, and "SO" refers to the 300-mil SOIC-20 footprint. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and peripherals. PIC microcontrollers use a RISC-based Harvard architecture with separate program and data buses, allowing instruction fetch and operand access to occur in the same cycle. The PIC16 family sits between PIC10/PIC12 entry-level parts and PIC18/dsPIC high-performance parts, balancing code density, peripheral richness, and ultra-low power consumption. The "F18444" member extends the legacy PIC16F1 platform with Core Independent Peripherals (CIPs) and Intelligent Analog peripherals, enabling sensor, motor-control, and human-interface applications without burdening the CPU. Headline features include 12-bit ADC with Computation (ADC2), a 5-bit DAC, two PWM modules, a Complementary Waveform Generator (CWG), comparators, EUSART, SPI, and I2C. Seven KB of self-programmable Flash supports in-application updates, while 256 bytes of EEPROM provide non-volatile user data storage, and 512 bytes of RAM serve runtime variables and stack space. The XLP technology delivers nanoWatt sleep currents, watchdog timer with on-chip LFO, and ultra-low-power wake sources such as RTC and ADC threshold compare. The architecture combines a 32 MHz internal oscillator with a clock-managed 16 MHz instruction cycle, supporting both INTOSC and external crystal/clock modes via the FOSC configuration bits. The CIPs (CLC, NCO, CWG, PWM, COG) operate autonomously from the CPU, freeing MIPS for application logic. This split of analog/mixed-signal, communications, and timing workloads across dedicated hardware makes the LF18444 well suited to sensor nodes that must minimize bill-of-materials cost while maximizing battery life. Typical applications include IoT sensor nodes, battery-powered remote controls, low-power wireless sensor transmitters, home appliances with user interfaces, LED lighting controllers, and small motor-driver subsystems. Designers also use this device in wearables, fitness bands, and asset trackers where 1.8 V operation from a single coin cell or two AA cells is mandatory. A key design consideration is that the 7 KB Flash ceiling and modest RAM limit firmware complexity; consider PIC16F18446 or PIC18 families for richer GUI stacks or RTOS workloads. Decoupling the AVDD/VDD rails with 100 nF + bulk capacitors and following the SOIC-20 thermal layout guidelines keeps ADC noise within datasheet limits. This page synthesizes distributor pricing, drop-in alternatives within the PIC16LF184xx family, and practical design notes not found in the bare manufacturer datasheet.

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PIC16LF18444T-I/SS - 8-Bit 32MHz XLP MCU 7KB Flash | Microchip
PIC16LF18444T-I/SS

PIC16LF18444T-I/SS - 8-Bit 32MHz XLP MCU 7KB Flash | Microchip

The Microchip PIC16LF18444T-I/SS is an 8-bit PIC microcontroller in the PIC16LF18444 family with 7KB (4K x 14) of Flash program memory, 512B of data RAM, and a 32MHz maximum operating frequency, housed in a 20-pin SSOP (5.30mm body width) package. It operates from a 1.8V to 3.6V supply voltage range across an industrial -40C to +85C temperature window and is qualified to Microchip's eXtreme Low Power (XLP) specification, making it suitable for battery-powered applications where nanoWatt standby currents are required. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus and CPU core, integrating Flash program memory, SRAM, peripherals, and interrupt logic on one die. Within the broader semiconductor hierarchy, an 8-bit MCU sits below 16-bit and 32-bit MCUs in computational throughput but above pure logic ICs in functional density, and the PIC16LF18444 belongs to the PIC microcontroller > 8-bit microcontroller > embedded microcontroller taxonomy. This class of device typically targets cost-sensitive, low-power, deterministic control tasks rather than high-throughput DSP or graphics workloads. Key features of the PIC16LF18444 include 18 general-purpose I/O pins, a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a comparator, a Complementary Waveform Generator (CWG), and an EUSART plus SPI/I2C interfaces. The device integrates a configurable logic cell (CLC) block, peripheral pin select (PPS) for remapping digital peripherals, and the XLP nanoWatt technology suite that delivers sleep currents in the tens of nanoamperes. The 12-bit ADCC supports automated averaging, threshold comparison, and oversampling for sensor-interface signal conditioning. The PIC16LF18444 architecture uses a Harvard memory structure with separate program and data buses, a 14-bit instruction word, and a hardware accumulator-based CPU. The on-chip peripherals are interconnected via the Peripheral Module Disable (PMD) registers so unused blocks can be powered down, and the CWG can synthesize complementary dead-band-controlled drive signals for power-converter or motor-control switching stages. Typical applications include low-power IoT sensor nodes, battery-powered wireless remote controls, white-goods and small-motor driver boards, LED lighting controllers, and consumer human-interface nodes where the SSOP-20 footprint, 18 I/O count, and nanoWatt sleep currents are decisive. The wide 1.8V-3.6V supply range supports direct operation from single-cell lithium or two AA cells with no external LDO. When designing with this MCU, keep total GPIO load within the 18-pin budget when PPS remapping is required, and respect the 32MHz maximum FOSC derating curve above 3.0V. Use the CLC and PPS to reduce external glue logic on the PCB, and place the supply decoupling capacitor within 3mm of the VDD pin. This page adds value beyond the manufacturer datasheet by combining distributor pricing, pin-to-pin compatible drop-in alternatives drawn from the PIC16LF family, and practical design notes that shorten the BOM-to-prototype cycle for low-power embedded designs.

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PIC16LF18445-E/SO - 14KB Flash 8-bit MCU, SOIC-20 | Microchip
PIC16LF18445-E/SO

PIC16LF18445-E/SO - 14KB Flash 8-bit MCU, SOIC-20 | Microchip

The Microchip Technology PIC16LF18445-E/SO is an 8-bit PIC microcontroller from the PIC16F184xx family, featuring 14KB Flash program memory, 1KB RAM, and a 32MHz internal oscillator in a 20-pin SOIC (0.295 inch, 7.50mm width) package. The 'LF' suffix denotes the low-voltage variant operating from 1.8V to 3.6V, while 'E' designates the extended temperature range of -40C to +125C, making it suitable for industrial environments. An 8-bit microcontroller (MCU) is a programmable integrated circuit containing a CPU, Flash program memory, SRAM data memory, and configurable peripherals. The PIC architecture follows a Harvard RISC design with a 14-bit instruction word, where each instruction executes in one clock cycle (4 oscillator cycles). MCUs sit in the hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor, and serve as the decision-making core of countless battery-powered and industrial systems. Key differentiating features of the PIC16LF18445 include Core Independent Peripherals (CIPs) such as the Complementary Waveform Generator (CWG), Configurable Logic Cell (CLC), 12-bit Analog-to-Digital Converter with Computation (ADCC), 5-bit DAC, two PWM modules, EUSART, SPI, and I2C peripherals. The device integrates eXtreme Low-Power (XLP) technology with sleep currents below 50 nA typical and active current under 50 uA/MHz, qualifying it for energy harvesting and IoT sensor nodes. The 12-bit ADCC provides automated averaging, threshold detection, and hardware accumulation, offloading signal-conditioning code from the CPU. Typical applications include industrial sensor interfaces, battery-powered IoT nodes, consumer appliance controls, low-power remote controls, and motor control in small BLDC fans or stepper drivers. The wide 1.8V to 3.6V supply range allows direct connection to a single Li-ion or two AA cells without external regulation, simplifying BOM. For designs already using the 20-SOIC footprint, the PIC16F18445 (5V variant) and PIC16LF18444 (reduced-pin predecessor) remain drop-in compatible alternatives on the same 20-SOIC pad pattern, enabling platform scalability across voltage rails. One important design consideration: verify the SOIC-20 footprint matches the 0.295 inch body width used by this part. Choosing a less expensive 0.300 inch width footprint will not mate correctly. This page compiles distributor pricing, drop-in alternatives, and practical design notes not aggregated elsewhere on manufacturer datasheets.

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PIC16LF18445-I/GZ - 14KB Flash, 32MHz 8-bit MCU | Microchip
PIC16LF18445-I/GZ

PIC16LF18445-I/GZ - 14KB Flash, 32MHz 8-bit MCU | Microchip

The Microchip Technology PIC16LF18445-I/GZ is an 8-bit PIC® XLP™ microcontroller delivering 32 MHz CPU performance with 14 KB Flash, 1 KB RAM, and Core Independent Peripherals (CIPs), housed in a 20-pin UQFN (4x4 mm) package with an exposed thermal pad. The 'LF' voltage range supports operation down to 1.8 V, while the on-chip peripherals include a 12-bit ADCC with computation, a 5-bit DAC, two PWM modules, a comparator, the Complementary Waveform Generator (CWG), EUSART, SPI, and I²C. Peripherals are routed via Peripheral Pin Select (PPS), enabling flexible PCB layout in a small 4x4 mm footprint. An 8-bit microcontroller (MCU) is a Von Neumann or Harvard-architecture processor with an 8-bit data path, optimized for deterministic real-time control, low power consumption, and small code footprint. The PIC16F184xx family sits in the hierarchy microcontroller -> embedded MCU -> 8-bit MCU -> PIC16 family -> XLP (eXtreme Low Power) family -> microcontrollers. XLP technology targets battery-powered and energy-harvesting applications where nanoWatt sleep currents and active-mode efficiency dominate design trade-offs versus 32-bit ARM Cortex-M alternatives. Key features that differentiate this part include 14 KB self-programmable Flash (8K x 14 words), 1 KB SRAM, 256 B EEPROM, hardware CWG for half-bridge/full-bridge/H-bridge control, the ADCC averaging/filtering accelerator, an angular timer, zero-cross detect, and mathematical accelerator. PPS maps digital peripherals to any I/O pin, and the ICSP/ICD interface supports in-circuit debug without removing the device from the board. The wide 1.8 V–3.6 V operating range covers 2-cell alkaline, single-cell Li-ion, and 3.3 V regulated rails. The PIC16LF18445 uses Microchip's enhanced mid-range core with a 14-bit instruction word and a 32 MHz internal oscillator, eliminating an external crystal in most designs. Brown-out Reset (BOR), Power-on Reset (POR), and a Windowed Watchdog Timer (WWDT) improve robustness in noisy industrial environments. The device is supported by MPLAB X IDE, XC8 compilers, and the MPLAB Code Configurator (MCC) plug-in for rapid peripheral setup. Typical applications include low-power IoT sensor nodes, battery-powered medical wearables, touch/user-interface front panels, LED lighting drivers using CWG, motor control with BEMF sensing, and USB-less USB-to-UART bridges using EUSART. The combination of nanoWatt XLP sleep, PPS, and the integrated 12-bit ADCC enables single-chip sensor hubs with no external ADC. When designing with this MCU, use a 0.1 µF decoupling capacitor within 5 mm of VDD, and bond the exposed pad (EP) to a grounded copper pour of at least 25 mm² for thermal and electrical reference. Do not float the MCLR pin in F-series applications; tie it to VDD through a 10 kΩ resistor to avoid spurious resets. Program the CONFIG words in MPLAB X to set the oscillator, BOR threshold, and code protection before first use. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF18445-I/P - 8-Bit 32MHz XLP MCU, 14KB Flash 20-PDIP | Microchip
PIC16LF18445-I/P

PIC16LF18445-I/P - 8-Bit 32MHz XLP MCU, 14KB Flash 20-PDIP | Microchip

The Microchip Technology PIC16LF18445-I/P is an 8-bit RISC PIC16 microcontroller based on the enhanced mid-range core, delivering up to 32 MHz CPU performance from a wide 1.8 V to 3.6 V supply. It integrates 14 KB of self-programmable Flash program memory, 1 KB SRAM, 256 B data EEPROM, and a rich analog/digital peripheral set including a 12-bit ADC with computation (ADCC), a 5-bit/8-bit DAC, two comparators, two PWM modules, CWG (Complementary Waveform Generator), EUSART, SPI and I2C. The device is offered in a 20-pin PDIP through-hole package (suffix /P) and operates over the industrial temperature range of -40 C to +85 C. A PIC microcontroller (Programmable Interface Controller) is an 8-bit RISC MCU family originally developed by General Instrument and now led by Microchip Technology. PIC MCUs combine a Harvard architecture, deterministic instruction timing, and a compact instruction set to deliver predictable real-time behaviour in cost-sensitive embedded designs. The PIC16 sub-family sits between the baseline PIC10/12/14 parts and the higher-pin-count PIC18/24 devices, providing a balance of code density, peripheral integration, and low power consumption (XLP). Within the system hierarchy, the PIC16LF18445 belongs to: microcontroller (MCU) -> 8-bit MCU -> PIC16 family -> PIC16(L)F184xx sub-family -> power management and signal conditioning class. Key features include 14 KB Flash (8K x 14 words), 1 KB SRAM, 256 B EEPROM, an active clock scaling peripheral, a temperature indicator, mTouch capacitive touch support, and eXtreme Low Power (XLP) technology with sleep currents below typical 1 uA. The 12-bit ADCC with automatic averaging and threshold comparisons offloads signal conditioning from the CPU, and the CWG allows generation of complementary PWM with dead-band control for half-bridge drivers. The architecture uses a 14-bit instruction word, two hardware stack levels, and an interrupt controller with hardware context save/restore. The instruction pipelining delivers near 1 MIPS per MHz, so the device sustains ~16 MIPS at 32 MHz. The integrated low-power features include multiple Idle/Doze/Sleep modes with multiple wake sources (Interrupt-on-Change, RTC, WDT). Typical applications include IoT sensor nodes, battery-powered handheld instruments, LED lighting controllers, low-cost motor and fan control, consumer white goods, and small home-automation controllers. The through-hole 20-PDIP package is convenient for prototyping, hobby projects, and field-serviceable designs where socketed parts are preferred. A key design consideration is decoupling: place a 100 nF ceramic bypass capacitor as close as possible to the VDD/VSS pins and follow Microchip's recommended PCB layout for the analog and oscillator pins to preserve ADC accuracy and clock stability. This page synthesizes distributor pricing, drop-in alternatives from the PIC16(L)F184xx and PIC16(L)F183xx families, and practical design notes that go beyond the manufacturer datasheet.

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PIC16LF18445-I/SO - 8-Bit 32MHz 14KB Flash MCU | Microchip
PIC16LF18445-I/SO

PIC16LF18445-I/SO - 8-Bit 32MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF18445-I/SO is an 8-bit microcontroller from the PIC16 XLP (eXtreme Low Power) 16F family, delivering up to 32MHz CPU performance with 14KB (8K x 14 words) of Flash program memory in a 20-pin SOIC (0.295", 7.50mm width) package. It features 1KB RAM and integrates rich Core Independent Peripherals (CIPs) including a 12-bit ADC with Computation (ADCC), a 5-bit/8-bit DAC, two PWMs, a Complementary Waveform Generator (CWG), comparators, EUSART, SPI and I2C interfaces for connected embedded designs. The 'LF' prefix denotes the low-voltage variant that supports a wide 1.8V-3.6V VDD range, optimized for battery-powered applications. According to the verified DigiKey listing, the device is in active production and ships from distributor stock today. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, and peripherals on a single die. PIC microcontrollers use a Harvard RISC architecture with a 14-bit instruction word, and the XLP family adds specialized low-power modes such as sleep currents below 1 uA, making them well-suited for energy-harvesting and IoT endpoints. The PIC16 LF subfamily in particular targets coin-cell and Li-ion powered designs where wide VDD tolerance and ultra-low sleep current extend battery life. The PIC16LF18445's key strengths include 12-bit ADCC precision that exceeds typical 10-bit MCU ADCs, easing sensor signal conditioning; a built-in 5-bit/8-bit DAC for analog set-point generation without external ICs; and CWG for complementary PWMs commonly used in half-bridge motor drive with dead-band control. The EUSART supports both asynchronous serial and one-wire protocols, while the MSSP handles SPI/I2C for sensor and EEPROM interfaces. According to the verified distributor listings, 14KB Flash with 8K x 14 word organization supports C-compiled firmware comfortably within the device's code footprint. Typical applications include low-power IoT sensor nodes, battery-powered consumer products, LED lighting controllers, home appliance user-interface panels, and small motor/valve drivers. The CWG and dual PWM simplify BLDC or stepper half-bridge commutation; the 12-bit ADCC handles thermistor or potentiometer inputs directly. Compared with PIC16F baseline parts, the LF variant's wider operating voltage and lower sleep current make it preferable for always-listening battery nodes. According to Microchip PIC16(L)F184xx family documentation, this part is recommended when 14KB Flash and 12-bit ADC are needed together. When designing, allocate one decoupling 100nF ceramic capacitor close to each VDD pin and a bulk 10uF near the regulator output. Use the on-board ICD/debug header (ICSPDAT/ICSPCLK) to retain in-circuit programming access in the PCB layout. Ensure unused PIM matches below 1 uA by configuring all unused pins as outputs low; the XLP Sleep mode current is documented in the family datasheet.

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PIC16LF18445-I/SS - 8-bit XLP MCU 14KB Flash 20-SSOP | Microchip
PIC16LF18445-I/SS

PIC16LF18445-I/SS - 8-bit XLP MCU 14KB Flash 20-SSOP | Microchip

The Microchip Technology PIC16LF18445-I/SS is an 8-bit PIC® XLP™ microcontroller delivering 32 MHz CPU performance with 14 KB Flash, 1 KB RAM and 256 bytes EEPROM in a 20-pin SSOP package. It operates from 1.8V to 3.6V with eXtreme Low-Power (XLP) technology and integrates a 12-bit ADC with Computation (ADC2), 8-bit DAC, two PWMs, comparators and Core Independent Peripherals (CIPs) including the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG) and NCO. Communication peripherals include EUSART, SPI and I²C. The exposed SSOP-20 footprint is rated for the industrial -40 °C to +85 °C range per the -I temperature suffix. An 8-bit microcontroller is a small, low-cost computing core built around an 8-bit data path with on-chip Flash, RAM, peripherals and an interrupt controller. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, allowing most instructions to execute in a single cycle. Within the broader semiconductor hierarchy they sit under microcontrollers, embedded ICs and finally integrated circuits. The 8-bit class remains popular in low-power sensor, motor and human-interface designs where deterministic real-time response and long battery life outweigh raw throughput. Key features that differentiate the PIC16LF18445 include 14 KB self-programmable Flash, Memory Access Partitioning (MAP) for bootloader-style code protection, the Device Information Area (DIA) for serial-number and calibration storage, and Peripheral Pin Select (PPS) that remaps digital peripherals to nearly any I/O pin. The ADC2 block performs averaging, oversampling and threshold comparisons in hardware, offloading signal conditioning from the CPU. Together these features let a single chip replace a discrete op-amp, filter and MCU in many sensor front-ends. Typical applications include battery-powered IoT sensor nodes, low-power remote controls, white-goods and appliance user interfaces, small motor/valve controllers, and personal-care or medical consumables. Designers choose it when the system is size- and energy-constrained but still needs accurate analog sensing and serial connectivity. The 32 MHz core, 1 KB RAM and 14 KB Flash are ample for state-machine control and modest communication stacks such as Modbus RTU or LIN slaves.

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PIC16LF18445T-I/GZ - 8-bit 32MHz MCU, 14KB Flash | Microchip
PIC16LF18445T-I/GZ

PIC16LF18445T-I/GZ - 8-bit 32MHz MCU, 14KB Flash | Microchip

The Microchip Technology PIC16LF18445T-I/GZ is an 8-bit PIC® XLP™ 16F microcontroller featuring 14 KB (8K x 14) of Flash program memory, 1 KB of RAM, and 18 general-purpose I/O lines, housed in a 20-pin UQFN (4x4 mm) package with an exposed thermal pad. The 'LF' prefix designates the low-voltage / eXtreme Low Power (XLP) variant, while 'T' indicates tape-and-reel packaging and 'I' denotes the -40C to +85C industrial temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a configurable set of peripherals. The PIC16F184xx family uses a Harvard-architecture 8-bit RISC core optimized for deterministic instruction execution and ultra-low power consumption, placing it in the broader hierarchy: microcontroller -> embedded controller -> semiconductor IC -> electronic component. The XLP technology targets battery-powered and energy-harvesting applications that demand nanoampere sleep currents. Key features include a 32 MHz maximum CPU clock, 12-bit ADC with Computation (ADCC), a 5-bit and 8-bit DAC, two PWM modules, two comparators, a Complementary Waveform Generator (CWG), an EUSART, and SPI / I2C interfaces. The 14 KB Flash supports self-programming and ICSP, and the device operates from 1.8 V to 3.6 V. Core Independent Peripherals (CIPs) such as CWG and ADCC can operate without CPU intervention, reducing firmware complexity and power consumption. The PIC16LF18445 employs Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word. The XLP Sleep mode can drop current consumption to nanoampere levels, while the peripheral module disable logic lets unused peripherals be turned off individually. An integrated temperature indicator and windowed watchdog timer (WWDT) provide additional system-monitoring features suitable for safety-sensitive applications. Typical applications include IoT sensor nodes, low-power wireless remote controls, battery-powered consumer devices, LED lighting controllers, small motor control, and home-automation edge nodes. The 20-UQFN 4x4 mm footprint also makes it well suited to space-constrained wearables. When designing with this part, place a 100 nF decoupling capacitor as close as possible to the VDD pin, connect all VSS pins to a solid ground plane, and observe the exposed-pad soldering recommendations in the Microchip datasheet for thermal and electrical performance. Programming is supported through MPLAB X IDE with the XC8 compiler and PKOB or ICD debuggers. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical engineering notes not found in the manufacturer datasheet.

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PIC16LF18445T-I/SO - 32MHz 8-bit XLP MCU, 14KB Flash | Microchip
PIC16LF18445T-I/SO

PIC16LF18445T-I/SO - 32MHz 8-bit XLP MCU, 14KB Flash | Microchip

The Microchip Technology PIC16LF18445T-I/SO 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, 1KB of RAM, and a 32MHz internal oscillator, all housed in a 20-pin SOIC package. The LF (low-power) variant supports a wide 1.8V to 3.6V supply range optimized for battery-powered designs, while the core delivers 16 MIPS performance at 32 MHz and integrates Core Independent Peripherals (CIPs) such as a 12-bit ADC with Computation (ADCC), 5-bit DAC, two PWMs, comparators, a Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), and EUSART/SPI/I2C communication peripherals. An 8-bit microcontroller (MCU) is a compact computing-on-a-chip that integrates a CPU, non-volatile program memory (Flash), working RAM, and a rich set of peripherals onto a single silicon die. It belongs to the broader family of microcontrollers -> microcontrollers and microprocessors -> semiconductors -> integrated circuits. The 8-bit data path makes MCUs of this class ideal for cost-sensitive, deterministic, low-power embedded control tasks such as sensor reading, motor drive, user I/O, and protocol bridging, where the application demands predictable response times rather than raw computational throughput. Key features of the PIC16LF18445T-I/SO include 14KB self-programmable Flash with 128B of EEPROM emulation, 1KB SRAM, a 12-bit differential ADCC capable of up to 100 ksps, a 5-bit DAC, two 10-bit PWMs, three comparators, CWG, four CLCs, an EUSART, two MSSP (SPI/I2C) peripherals, and a 32 MHz internal oscillator with ±1% accuracy. XLP technology delivers typical sleep currents in the nanoamp range and active currents in the microamp range at low clock speeds, which is essential for IoT sensor nodes that spend most of their time in deep sleep. The 20-pin SOIC package exposes up to 17 general-purpose I/O pins and is fully pin-compatible with the PIC16LF18444 (12KB Flash) and PIC16LF18345 (14KB Flash, smaller RAM) families, simplifying migration within Microchip's PIC16 XLP portfolio. The device is supported by MPLAB X IDE, the XC8 compiler, and the MPLAB Code Configurator (MCC) for graphical peripheral setup, accelerating development cycles. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, low-power wireless sensor transmitters, and consumer appliance user-interface controllers. The compact 20-pin SOIC footprint is well suited for hand-held and space-constrained designs where PCB real estate is at a premium. When designing with this MCU, ensure that the ICSP programming pins (PGED/PGEC) are accessible on the PCB for in-circuit programming and debugging. The wide 1.8V-3.6V supply range permits direct connection to a single Li-ion / two AA cells; at 32 MHz, plan for active-mode current of a few mA to avoid over-discharging the battery during sustained operation. This page synthesizes distributor pricing, drop-in alternatives, design notes, and XLP power-tuning guidance not found in the bare manufacturer datasheet.

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PIC16LF18445T-I/SS - 14KB Flash 8-bit MCU, SSOP-20 | Microchip
PIC16LF18445T-I/SS

PIC16LF18445T-I/SS - 14KB Flash 8-bit MCU, SSOP-20 | Microchip

The Microchip Technology PIC16LF18445T-I/SS is an 8-bit RISC microcontroller from the PIC16(L)F184xx family, featuring 14KB (8K x 14 words) of Flash program memory, 1KB of SRAM, and 256 bytes of data EEPROM. It executes instructions at up to 32MHz from an internal oscillator and is housed in a 20-pin SSOP (Shrink Small Outline Package) with 18 user I/O pins. The 'LF' suffix designates the low-voltage (F) variant that operates from 1.8V to 3.6V, while the 'T' indicates Tape and Reel packaging and the 'I' denotes the industrial -40C to +85C temperature grade. What is a PIC16 microcontroller? A PIC16 microcontroller is an 8-bit Harvard-architecture RISC device from Microchip Technology, sitting within the PIC microcontroller family hierarchy as PIC10 -> PIC12 -> PIC16 -> PIC18 -> PIC24 -> dsPIC -> PIC32. It belongs to the broader category of microcontrollers (MCU) -> microprocessors -> semiconductors -> integrated circuits. PIC16 parts are widely used in cost-sensitive embedded designs because they combine low power consumption, deterministic interrupt latency, and rich Core Independent Peripherals (CIPs) that offload tasks from the CPU. Key features include a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules with complementary outputs, a Comparator, a Configurable Logic Cell (CLC), a Complementary Waveform Generator (CWG), and an EUSART plus SPI/I2C for serial communication. The integrated Core Independent Peripherals (CIPs) allow analog and timing functions to run without CPU intervention, freeing the core for application logic and reducing firmware complexity. eXtreme Low-Power (XLP) technology provides sub-microamp sleep currents, enabling battery-powered designs that last years on a single coin cell. The PIC16LF18445 uses an enhanced mid-range 8-bit CPU core with a 14-bit instruction word, 16 levels of hardware stack, and 32-level-deep interrupt nesting. The internal 32MHz oscillator is factory calibrated to within +/-1%, eliminating external crystals in most designs. A configurable instruction-cycle timer, peripheral pin select, and zero-cross detection support simplify sensor interfaces and motor-control feedback loops. Typical applications include IoT sensor nodes, low-power remote controls, battery-powered instrumentation, home-automation white goods, LED lighting controllers, and small appliance motor drives. The wide 1.8V-3.6V range makes it compatible with single-cell Li-ion and 2x AA battery chemistries. When designing with this device, ensure the supply decoupling network uses a 100nF ceramic capacitor close to VDD with a bulk capacitor of at least 1uF to suppress switching transients generated by the EUSART and PWM peripherals. The unused I/O pins should be configured as outputs or set to weak pull-ups to minimize sleep current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving embedded engineers a single consolidated reference for the PIC16LF18445T-I/SS.

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

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

The Microchip PIC16LF18446-E/P is an 8-bit PIC16 microcontroller with 28KB Flash, 2KB SRAM, and a 32MHz CPU core, housed in a 14-pin PDIP through-hole package. The 'LF' prefix denotes the extended eXtreme Low-Power (XLP) voltage range, supporting operation from 1.8V to 3.6V, while the 'F' variant supports 2.3V to 5.5V. Per the Microchip product page, the device integrates 12-bit ADCC, 5-bit DAC, 2 PWMs, comparator, CWG, EUSART, SPI/I2C, and Core Independent Peripherals (CIPs) for low-power general-purpose designs. Operating temperature range is -40C to +125C. A microcontroller (MCU) is a single-chip computer that integrates CPU, RAM, non-volatile program memory, and peripherals on one die. The PIC16 family sits within the broader PIC16-bit/8-bit product taxonomy (PIC10/12/14/16 -> 8-bit PIC microcontrollers -> PIC microcontrollers -> microcontrollers -> embedded ICs -> integrated circuits). The 'LF' family specifically targets battery-powered and energy-harvesting designs where deep sleep currents measured in nA matter for years of coin-cell operation. This places PIC16LF18446-E/P in a unique position for IoT endpoints. Key differentiating features include 28KB self-programming Flash (16K x 14 words), 256-byte EEPROM data memory, 2KB SRAM, and a wide CIP peripheral set. The 12-bit ADC with computation (ADCC) oversamples and averages autonomously, reducing firmware burden. The 5-bit DAC combined with the comparator enables programmable analog signal generation. The device also includes multiple PWMs and the Configurable Logic Cell (CLC) for hardware glue. Architecture is the enhanced mid-range PIC16 core with a hardware multiplier and 14-bit instruction word. The XLP technology adds deep sleep modes drawing <50 nA typical with RTC and <100 nA with WDT, enabling battery lifetimes of 10+ years on a single coin cell. The 32MHz internal oscillator eliminates the external crystal for most cost-sensitive designs. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, energy-harvesting wireless transmitters, low-power remote controls, and industrial sensor interfaces. The combination of CIPs and XLP makes it ideal for event-driven designs that spend most of their time in deep sleep. Design consideration: leverage the CWG, CLC, and ADCC peripherals to offload timing-critical operations from the core, allowing deeper sleep states. Avoid polling-based architectures to maximize the XLP current savings. This page synthesizes distributor pricing, drop-in alternatives from the same PIC16LF184xx family, and practical design notes not found in the manufacturer datasheet.

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