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PIC16F18426T-I/ST - 8-Bit XLP MCU, 28KB Flash, 32MHz, 14-TSSOP
PIC16F18426T-I/ST

PIC16F18426T-I/ST - 8-Bit XLP MCU, 28KB Flash, 32MHz, 14-TSSOP

The Microchip Technology PIC16F18426T-I/ST is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, featuring 32 MHz core performance, 28 KB Flash program memory and 2 KB SRAM in a 14-pin TSSOP package with eXtreme Low-Power (XLP) technology. The part carries the 'T' tape-and-reel suffix and the 'I' industrial -40C to +85C temperature grade, making it suitable for reflow-production assembly across a broad range of general-purpose and low-power embedded applications. Functional-Safety (FuSa) capability is documented on the Microchip product page for this family. A microcontroller is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), analog and digital peripherals, and communication interfaces on one die. Within the broader semiconductor taxonomy, a microcontroller belongs to the integrated-circuit family, and the 8-bit PIC16F subgroup falls under the Microchip proprietary MIPS-like CPU architecture. XLP technology refers to nanoWatt-class sleep currents and active power management, enabling battery-operated designs that must run for years from a single cell. Key features of the PIC16F18426T-I/ST include a 12-bit ADCC (Analog-to-Digital Converter with Computation), two PWMs with complementary waveform generation, a 5-bit DAC, two comparators, a CWG (Complementary Waveform Generator), and configurable logic cells. Communication peripherals cover EUSART (RS-232/RS-485 capable), SPI, and I2C. The CIP (Core Independent Peripherals) architecture allows peripherals to operate without CPU intervention, freeing the core for application tasks. Typical applications include IoT sensor nodes, low-power wireless endpoints, consumer appliances, battery-powered instrumentation, LED lighting controllers, and automotive body electronics (non-safety). The TSSOP-14 footprint keeps the part compatible with hand-soldered prototypes and high-density SMT assemblies. Designers should review the device header file and the MPLAB X IDE configuration for clock, watchdog, and pin-mapping setup.

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PIC16F18444-E/GZ - 8-bit 32MHz 7KB Flash XLP MCU | Microchip
PIC16F18444-E/GZ

PIC16F18444-E/GZ - 8-bit 32MHz 7KB Flash XLP MCU | Microchip

The Microchip Technology PIC16F18444-E/GZ is an 8-bit PIC® XLP™ microcontroller featuring 7KB (4K x 14 words) of Flash program memory, 512 bytes of RAM, and a 32 MHz internal oscillator, housed in a 20-pin UQFN (4x4 mm) package with an exposed pad. It belongs to the PIC16(L)F184xx family that combines eXtreme Low-Power (XLP) technology with Core Independent Peripherals (CIPs) and rich analog for general-purpose and low-power embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile working memory (RAM), and a set of peripherals on one die. The 8-bit class — typified by the PIC16 architecture — is a register-based RISC design optimized for deterministic interrupt response, low power, and small code size. PIC MCUs sit within the broader taxonomy: microcontroller -> embedded processor -> semiconductor IC, and remain one of the most widely deployed architectures for cost-sensitive, ultra-low-power IoT and industrial nodes. Key features of the PIC16F18444 include a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 5-bit/8-bit DAC, two PWM modules with Complementary Waveform Generator (CWG), a comparator, EUSART, SPI, and I²C peripherals. XLP technology delivers nanoWatt sleep currents below 100 nA in deep sleep with RTCC, and the device operates across 2.5 V / 3.3 V / 5 V rails from a single supply. Functional Safety (FuSa) support and CIPs such as the Configurable Logic Cell (CLC) and Angular Timer enable offloading of timing-critical tasks from the core. Architecturally, the PIC16F18444 uses an enhanced mid-range 8-bit core with a 14-bit instruction word and a two-stage pipeline. Memory Access Partitioning (MAP) and the Device Information Area (DIA) provide bootloader-friendly code protection and serialized calibration data, which is critical for secure OTA upgrades and Class B safety libraries. The 20-pin UQFN footprint exposes up to 17 general-purpose I/O pins while keeping the board area at roughly 16 mm². Typical applications include IoT sensor nodes, low-power wireless sensor transmitters, industrial control modules, battery-powered instrumentation, smart-home peripherals, and small appliance user interfaces. The combination of an integrated 12-bit ADCC and low sleep current makes it especially attractive for energy-harvesting edge devices where both analog accuracy and quiescent power determine field lifetime. When designing with this part, verify that your firmware memory budget fits within 7KB of Flash and that the 20-pin UQFN land pattern matches your PCB footprint. For battery operation, use the Datasheet section on XLP sleep modes (Deep Sleep, Retention Sleep) and the nanoWatt features (ULPWU, RTCC) — these are the most common sources of power-budget overruns. The exposed thermal pad must be soldered to a copper pour for proper thermal and electrical performance. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical low-power design notes that go beyond the manufacturer datasheet, giving engineers a faster path from concept to certified BOM.

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PIC16F18444-E/SO - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip
PIC16F18444-E/SO

PIC16F18444-E/SO - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip

The Microchip Technology PIC16F18444-E/SO is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring eXtreme Low-Power (XLP) technology, 7KB Flash program memory, 512B RAM, and a 32MHz internal oscillator, packaged in a 20-pin SOIC (0.295" / 7.50mm body width) form factor. The device integrates high-resolution analog peripherals including a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 5-bit Digital-to-Analog Converter (DAC), a comparator, a Complementary Waveform Generator (CWG), and two PWM modules, alongside communication peripherals such as EUSART, SPI, and I2C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage, SRAM for data, EEPROM for non-volatile data), and peripherals onto one die. Within the semiconductor taxonomy, an 8-bit MCU belongs to microcontrollers -> integrated circuits -> semiconductors. The "PIC" name comes from Peripheral Interface Controller, and PIC MCUs use a RISC Harvard architecture optimized for deterministic interrupt response and low power consumption. Key features of the PIC16F18444 include Core Independent Peripherals (CIPs) that operate without CPU intervention, Functional Safety (FuSa) capability for safety-critical applications, and XLP technology enabling typical sleep currents below 1 uA. The 32MHz maximum clock speed delivers 8 MIPS of throughput, and the 12-bit ADCC supports automated averaging and threshold comparisons for sensor interfacing. The device architecture combines a RISC CPU with hardware multiplier support and a 14-bit instruction word, while the analog subsystem integrates an internal voltage reference and capacitive touch sensing. Memory protection includes a configurable Flash write/erase lock to secure firmware IP. Programming is supported via ICSP (In-Circuit Serial Programming) and the enhanced low-voltage programming mode. Typical applications include IoT sensor nodes, battery-powered portable instruments, automotive body and interior electronics, industrial control panels, and consumer white goods. The wide operating voltage range (1.8V to 5.5V for the LF variant, 2.3V to 5.5V for the F variant) suits both 3.3V and 5V system designs. When designing with the PIC16F18444-E/SO, note that the "-E" suffix denotes the extended temperature grade (-40C to +125C), making it suitable for industrial and automotive environments. The 20-pin SOIC package allows hand-soldering and rework on prototype boards, while the -Q1 suffix variant provides AEC-Q100 qualification for safety-critical automotive applications. This page synthesizes distributor pricing, drop-in same-family alternatives within the PIC16F184xx family, application guidance, and design notes not aggregated on any single manufacturer or distributor page.

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PIC16F18444-I/GZ - 8-bit MCU, 7KB, XLP, 20-UQFN | Microchip
PIC16F18444-I/GZ

PIC16F18444-I/GZ - 8-bit MCU, 7KB, XLP, 20-UQFN | Microchip

The Microchip PIC16F18444-I/GZ is an 8-bit PIC microcontroller from the PIC16F184xx family, featuring 7KB Flash program memory, 32 MHz operation, eXtreme Low-Power (XLP) technology, and Core Independent Peripherals (CIPs), housed in a 20-pin UQFN 4x4 mm package with industrial temperature grade (-40C to +85C). This Functional Safety (FuSa) capable MCU integrates high-resolution analog peripherals including a 12-bit ADCC with Computation, a 5-bit DAC, two PWM modules, a comparator, CWG (Complementary Waveform Generator), and EUSART plus SPI/I2C communication interfaces. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of on-chip peripherals. The PIC16F18444 sits within the low-pin-count PIC16 mid-range family, ideal for applications that need analog and digital integration with minimal external components. Within the broader taxonomy it is a microcontroller -> microprocessor -> integrated circuit -> semiconductor. The PIC RISC-based Harvard architecture executes one instruction per cycle (except branches), which simplifies timing analysis and enables deterministic interrupt response for embedded designs. Key differentiating specifications include 7KB (4K x 14) of self-programmable Flash, 512 bytes of SRAM, up to 32 MHz internal clock with 4x PLL capable of 32 MHz, 18-pin I/O on the 20-pin package, an operating voltage range of 2.5V to 5.5V (with 1.8V minimum for the 'LF' variant), and CIP integration that allows complex timer/PWM/comms operations without CPU intervention. The XLP feature typically delivers sub-uA sleep currents. Architecturally, the device uses an enhanced mid-range 8-bit CPU with a 14-bit instruction word, hardware stack, and a unified peripheral interrupt controller. The 12-bit ADCC supports averaging, burst, and threshold-triggered conversions; the CWG complements PWM outputs for switched-mode and gate-drive tasks; and the EUSART plus MSSP (SPI/I2C) provide flexible host or slave connectivity. Internal voltage reference, zero-cross detection, and CLC (Configurable Logic Cell) further reduce bill-of-materials. Typical applications include IoT sensor nodes, battery-powered consumer devices, industrial control subsystems, LED lighting drivers, low-end motor control, and home appliances. The compact 20-UQFN package suits space-constrained PCB layouts such as wearables and smart-home endpoints. When designing, ensure that the Vdd/Vss decoupling capacitors are placed within a few millimetres of the supply pins, that MCLR is pulled correctly for in-circuit serial programming (ICSP), and that the configuration bits (CONFIG1/CONFIG2) are reviewed carefully - particularly the oscillator selection, watchdog enable, and code-protect settings. Use the MPLAB X IDE and XC8 compiler for firmware development and debugging. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F18444-I/P - 8-bit 32MHz 7KB FLASH MCU | Microchip
PIC16F18444-I/P

PIC16F18444-I/P - 8-bit 32MHz 7KB FLASH MCU | Microchip

The Microchip Technology PIC16F18444-I/P is an 8-bit RISC microcontroller based on the enhanced mid-range PIC16 CPU core, featuring 7KB (4K x 14) of self-programmable FLASH program memory and 512 bytes of SRAM in a 20-pin PDIP through-hole package. The part operates up to 32MHz (8 MIPS) from a 1.8V to 5.5V supply, includes 128 bytes of EEPROM, and integrates Core Independent Peripherals (CIPs) such as a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a Complementary Waveform Generator (CWG), EUSART, SPI, and I2C. The XLP (eXtreme Low-Power) technology delivers nanoWatt sleep currents below 50 nA typical, making the device well suited for battery-backed and energy-harvesting designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and a configurable set of analog and digital peripherals. The PIC16 family sits within the 8-bit microcontroller segment of the broader microcontroller -> embedded controller -> semiconductor hierarchy, and is the most widely deployed low-power 8-bit architecture for general-purpose industrial, consumer, and IoT applications. Compared to 32-bit Cortex-M0+ alternatives, 8-bit PIC16 MCUs trade raw throughput for deterministic interrupt latency, ultra-low sleep current, and a smaller code footprint on simple state-machine tasks. Key features of the PIC16F18444 include 18 I/O pins with interrupt-on-change on every pin, a configurable logic cell (CLC) for hardware glue logic, a numerically controlled oscillator (NCO) for precision waveform generation, a temperature indicator, and zero-cross detection on the analog comparator. Functional-safety support is built in through the dedicated FuSa documentation package, allowing the part to be qualified in safety-critical systems up to ASIL-B / SIL-2 when paired with the appropriate firmware libraries. Architecturally, the device uses a 14-bit instruction word with a two-stage pipeline and a single accumulator (WREG) plus 31 general-purpose file registers. The 12-bit ADCC provides automated threshold scanning, averaging, and accumulation modes that offload signal-conditioning code from the CPU. Hardware math acceleration (HW multiplier) is provided via an 8x8 unsigned multiplier that completes in one instruction cycle. Typical applications include low-power remote sensor nodes (LoRa, NB-IoT companion MCUs), battery-powered HVAC controls, small appliance user-interface controllers, white-goods motor-control front ends, LED lighting drivers, and general-purpose logic-replacement glue boards. The wide 1.8-5.5V operating range allows direct connection to single-cell Li-ion, 2x AA, or 3.3V rails without level shifting. When designing with this MCU, budget the I/O count carefully: only 18 of the 20 pins are usable as GPIO because two are reserved for VDD and VSS. Programming/debug is done via the two-pin ICSPCKD/ICSPCKE interface, which doubles as the ICSP header - do not repurpose these pins on a final PCB unless a separate debug header is provided. Estimated internal oscillator accuracy is +/-2% over voltage and temperature, which is sufficient for UART communication up to 115200 baud with the auto-baud-detect feature of the EUSART. This page synthesizes distributor pricing from DigiKey/Mouser, validated drop-in alternatives from the same PIC16F184xx family, and practical design notes that go beyond what is found in the bare datasheet.

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PIC16F18444-I/SO - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip
PIC16F18444-I/SO

PIC16F18444-I/SO - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip

The Microchip PIC16F18444-I/SO is an 8-bit RISC PIC16 microcontroller built on the company's eXtreme Low-Power (XLP) platform, delivering up to 32MHz CPU performance with 7KB (4K x 14) of self-programmable Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM in a 20-pin SOIC package. The -I/SO suffix denotes the industrial temperature grade (-40C to +85C) and 300-mil SOIC-20 packaging. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path CPU, on-chip program and data memory, and a rich set of peripherals such as timers, ADCs, and communication ports. PIC microcontrollers from Microchip Technology are a textbook example of the category and sit within the broader hierarchy: microcontroller -> 8-bit MCU -> embedded controller -> semiconductor IC. The XLP family specifically targets battery-powered and energy-harvesting designs by combining nanoWatt sleep modes, low-power brown-out reset, and ultra-low watchdog timer current. Key features of the PIC16F18444 include a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 5-bit/8-bit Digital-to-Analog Converter (DAC), two PWM modules, a complementary waveform generator (CWG), EUSART, SPI, and I2C communication, plus functional safety (FuSa) support. Core Independent Peripherals (CIPs) such as the Configurable Logic Cell (CLC) and Signal Measurement Timer (SMT) allow complex timing and logic tasks without CPU intervention, freeing the core for application-level code. The device operates from 2.3V to 5.5V (F suffix denotes Flash >5.5V capable variant), with internal oscillator accuracy typically within +/- 1% across voltage and temperature after calibration. The 20-pin SOIC footprint is industry-standard, allowing hand-soldering and breadboard-friendly prototyping while remaining compatible with automated pick-and-place assembly. The integrated peripheral set is engineered to displace multiple discrete components in sensor-interface and motor-control designs, shrinking BOM cost and PCB area. Typical applications include IoT sensor nodes, low-power wireless transmitters, battery management modules, LED lighting controllers, home appliances, industrial sensor interfaces, and functional safety systems requiring IEC 61508 SIL-2 capable firmware paths. The XLP technology makes the device well suited to remote controls and wearable medical accessories where quiescent current in sleep directly determines battery life. When designing with this MCU, configure the SLPCTRL register to select IDLE vs STANDBY vs DREAM sleep mode according to whether the ADC, peripherals, or only interrupts need to wake the core. Place a 0.1uF decoupling capacitor on VDD within 5mm of the pin and follow Microchip's application note AN2806 for PCB layout of the 20-pin SOIC footprint. This page synthesizes distributor pricing, drop-in alternatives in the SOIC-20 footprint, and practical design notes not found in the manufacturer datasheet.

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PIC16F18444T-I/GZ - 8-Bit 32MHz XLP MCU, 7KB Flash | Microchip
PIC16F18444T-I/GZ

PIC16F18444T-I/GZ - 8-Bit 32MHz XLP MCU, 7KB Flash | Microchip

The Microchip Technology PIC16F18444T-I/GZ is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring eXtreme Low-Power (XLP) technology and Functional Safety (FuSa) support. It runs at up to 32 MHz core speed, integrates 7 KB (4K x 14) of Flash program memory, 512 bytes of SRAM, and ships in a compact 20-pin UQFN (GZ) package measuring 4x4 mm. The device combines Core Independent Peripherals (CIPs) with high-resolution analog to deliver sensor and IoT-grade performance in a low pin-count footprint. A PIC microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, RAM, and a configurable peripheral set. PIC16F-series MCUs target cost-sensitive, ultra-low-power embedded applications and sit within the PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers -> embedded controllers taxonomy. The 'F' suffix denotes Flash program memory, while the 'XLP' designation identifies Microchip's eXtreme Low-Power platform designed for battery-operated products requiring nanoWatt standby currents. Key features include 2x PWM outputs, 1x 12-bit Analog-to-Digital Converter with Computation (ADCC), 1x 5-bit DAC, 2x comparators, 1x Complementary Waveform Generator (CWG), 1x EUSART, 1x SPI, 1x I2C, and configurable logic cells. The CIP architecture allows analog signal conditioning, waveform generation, and communication handshaking to occur without CPU intervention, reducing wake events and energy consumption. The PIC16F18444 uses a Harvard RISC architecture with a 14-bit instruction word and 8-bit data path. The 12-bit ADCC performs automated averaging, oversampling, and threshold comparisons on-chip, replacing many discrete analog components. Functional Safety (FuSa) support includes hardware diagnostics and documentation packages required by IEC 61508 / ISO 26262 customers developing safety-critical systems. Typical applications include IoT sensor nodes, battery-powered wearables, low-power wireless modules, white goods and appliance user controls, LED lighting controllers, and consumer handheld devices. Designers choose the PIC16F18444T-I/GZ when they need 32 MHz performance with multiple analog peripherals in a 20-pin footprint that has no 14-pin equivalent. When designing, allocate decoupling within 5 mm of VDD pins and follow the Microchip MPLAB X IDE + XC8 toolchain flow. Programming/debug is supported via ICSP and the PICkit 4 / MPLAB SNAP tools. Order parts in tape-and-reel for high-volume assembly. This page synthesizes distributor pricing, drop-in PIC16F family alternatives, and practical design notes not aggregated elsewhere, helping engineers evaluate the PIC16F18444T-I/GZ in seconds.

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PIC16F18444T-I/SO - 8-bit 32MHz 7KB Flash XLP MCU | Microchip
PIC16F18444T-I/SO

PIC16F18444T-I/SO - 8-bit 32MHz 7KB Flash XLP MCU | Microchip

The Microchip PIC16F18444T-I/SO is an 8-bit PIC microcontroller based on the enhanced mid-range core, delivering 32 MHz CPU performance with 7 KB (4K x 14 words) of Flash program memory and 512 bytes of RAM, housed in a 20-pin SOIC package. This functional-safety (FuSa) capable member of the PIC16(L)F184xx family targets general-purpose and extreme low-power (XLP) embedded designs. The -I industrial temperature grade supports operation from -40C to +85C and is supplied in tape-and-reel packaging. 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 on-chip peripherals such as timers, ADCs, communication interfaces, and I/O. The 8-bit PIC architecture follows a RISC design with a fixed instruction set, single-cycle execution from Flash (at 32 MHz, most instructions complete in 125 ns), and an orthogonal register model that simplifies assembler and C development. Within the broader hierarchy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors. Key features of the PIC16F18444 include a 12-bit ADC with computation (ADCC), two 10-bit PWMs, a 5-bit DAC, a comparator, a complementary waveform generator (CWG), an EUSART, and SPI/I2C peripherals. XLP technology delivers typical run currents below 50 uA/MHz and sleep currents in the nanoampere range, enabling multi-year battery life. The device accepts supplies from 2.3 V to 5.5 V (F suffix), making it compatible with both 3.3 V and 5 V rails. The PIC16F18444T-I/SO is well suited for sensor signal conditioning, IoT end nodes, low-power wireless sensor interfaces, consumer appliances, and human-machine interface (HMI) front ends. Functional-safety documentation eases IEC 60730 class B certification for white goods. The 12-bit ADCC supports averaging, oversampling, and hardware threshold comparison offloading the CPU. Designers should review the device header configuration in MPLAB X and use the MSSP for I2C/SPI master or slave roles. Pin remapping on peripheral pin select (PPS) accelerates PCB layout. Always include a 100 nF decoupling capacitor within 3 mm of VDD.

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PIC16F18445-E/GZ - 8-bit 32MHz 14KB Flash XLP MCU | Microchip
PIC16F18445-E/GZ

PIC16F18445-E/GZ - 8-bit 32MHz 14KB Flash XLP MCU | Microchip

The Microchip Technology PIC16F18445-E/GZ is an 8-bit PIC microcontroller from the PIC16(L)F184xx family with eXtreme Low-Power (XLP) technology, Functional Safety (FuSa) features, and Core Independent Peripherals (CIPs). It operates at up to 32 MHz, integrates 14 KB (8K x 14) of Flash program memory, 1 KB of RAM, and is housed in a 20-pin UQFN (4x4 mm) package with exposed pad. What is an 8-bit PIC microcontroller? An 8-bit MCU is a microcontroller whose internal data path, ALU and registers are 8 bits wide; the PIC architecture (Peripheral Interface Controller) is a Harvard RISC design from Microchip widely used in low-power and cost-sensitive embedded designs. The PIC16F18445 sits in the hierarchy: MCU -> 8-bit MCU -> PIC16 family -> PIC16F184xx sub-family -> functional-safety / XLP line, combining Core Independent Peripherals (CIPs), high-resolution analog, and eXtreme Low-Power modes for general-purpose and battery-powered applications. Key features include a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 5-bit/8-bit Digital-to-Analog Converter (DAC), two PWMs, a Complementary Waveform Generator (CWG), a comparator, EUSART, SPI, and I2C communication peripherals. The device is rated for the extended -40C to +125C industrial temperature range (the trailing E in the part number indicates the extended industrial grade) and offers multiple low-power sleep modes with nanoWatt XLP technology for energy harvesting and battery applications. The PIC16F18445-E/GZ uses the enhanced mid-range PIC16 core with 49 instructions, hardware multiply, and a 16-level hardware stack. On-chip peripherals such as the Peripheral Pin Select (PPS) allow flexible signal routing, while the Configurable Logic Cell (CLC) and Signal Measurement Timer (SMT) provide hardware-level state-machine and timing functions without CPU intervention. These CIPs reduce firmware complexity and deterministic latency. Typical applications include low-power IoT sensor nodes, consumer appliance controls, battery-powered instruments, LED lighting controllers, functional-safety sensor interfaces, and small home-automation devices. The combination of ADCC + DAC + CWG makes the part particularly suitable for closed-loop control of LEDs, fans, and small motor drivers. When designing with the PIC16F18445-E/GZ, ensure the exposed thermal pad is soldered to the PCB ground plane for thermal dissipation and mechanical reliability, and use MPLAB X IDE with XC8 compiler for firmware development. Programming is supported through MPLAB PICkit, ICD, or Curiosity development toolchains. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F18445-E/P - 14KB Flash 8-bit MCU, 32MHz, 20-PDIP | Microchip
PIC16F18445-E/P

PIC16F18445-E/P - 14KB Flash 8-bit MCU, 32MHz, 20-PDIP | Microchip

The Microchip Technology PIC16F18445-E/P is an 8-bit PIC16 microcontroller from the PIC16(L)F184xx family with 14KB of Flash, 1KB of RAM, and a 32MHz internal oscillator, housed in a 20-pin PDIP through-hole package. It features eXtreme Low-Power (XLP) technology and Functional Safety (FuSa) capabilities, making it suitable for safety-critical and battery-powered applications. The device operates over a wide 1.8V to 5.5V voltage range. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, memory, and peripherals into a single IC. The 8-bit CPU architecture processes data 8 bits at a time, which is well suited for cost-sensitive, low-power embedded control. Within the broader taxonomy, an MCU belongs to: microcontroller -> embedded processor -> semiconductor -> integrated circuit. The PIC16F18445 sits at the intersection of low-power (XLP) and functional-safety design, making it ideal for general-purpose and safety-critical systems. Key features of the PIC16F18445-E/P include Core Independent Peripherals (CIPs) such as Complementary Waveform Generator (CWG), Configurable Logic Cells (CLC), 12-bit ADCC with computation, 5-bit DAC, and two PWMs. Communication peripherals include EUSART, SPI, and I2C, providing flexible connectivity. The device includes a 32MHz internal oscillator and supports up to 32kHz operation for low-power modes. It is rated for the enhanced (-E) temperature range of -40C to +125C, suitable for industrial environments. The PIC16F18445-E/P utilizes Microchip's enhanced mid-range 8-bit core with a 14-bit instruction set, providing 8K x 14 words of program memory. The integrated XLP technology enables nanoWatt sleep modes with current consumption below 50 nA in deep sleep. The 12-bit ADC with computation automates averaging, filtering, and threshold comparison, reducing firmware overhead and improving real-time responsiveness. Typical applications include industrial sensor nodes, battery-powered IoT devices, home automation controllers, automotive body electronics (non-safety), LED lighting controllers, and low-power remote controls. The combination of XLP, Functional Safety, and rich analog peripherals allows a single device to replace multiple discrete components. When designing with this MCU, ensure proper decoupling (100nF + 10uF) near the VDD pin and use the ICSP programming interface for in-circuit firmware updates. The -E temperature grade supports industrial operation but is not AEC-Q100 qualified; choose the -EQ automotive variant for vehicle applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16F18445-E/SS - 14KB Flash 8-bit MCU 32MHz SSOP-20 | Microchip
PIC16F18445-E/SS

PIC16F18445-E/SS - 14KB Flash 8-bit MCU 32MHz SSOP-20 | Microchip

The Microchip Technology PIC16F18445-E/SS is an 8-bit RISC PIC16 XLP microcontroller IC featuring 32 MHz CPU speed, 14 KB (8K x 14 words) of FLASH program memory and 1 KB of SRAM data RAM in a 20-pin SSOP package. According to the Microchip product family description, the PIC16(L)F184xx family adds high-resolution analog, Core Independent Peripherals (CIPs) and communication interfaces alongside eXtreme Low-Power (XLP) technology. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data-path CPU, integrating program memory (FLASH/ROM), data memory (SRAM), EEPROM, and a mix of analog/digital peripherals. Within the broader taxonomy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors. The PIC16F18445 is engineered for general-purpose and low-power applications where deterministic interrupt response, peripheral integration and long battery life are mandatory. Key differentiating features include 14 KB self-programmable FLASH, 256 bytes of EEPROM, 1 KB SRAM, a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two comparators with 5-bit DAC reference, two PWM modules with Complementary Waveform Generator (CWG), an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and SPI/I2C. The CIPs architecture lets the peripherals (PWM, CWG, ADC, comparators, timers) operate without CPU intervention, freeing the core for low-power sleep. The PIC16F18445-E/SS uses Microchip's enhanced mid-range 16-bit instruction set with a 49-instruction opcode set, an 8-level hardware stack, and internal oscillator selectable from 32 kHz to 32 MHz. Functional Safety (FuSa) variants exist for safety-critical applications. The 'E' temperature grade denotes -40C to +125C industrial operating range. Typical applications include IoT sensor nodes, battery-powered instrumentation, low-power wireless modules, consumer white goods, automotive body controllers and LED lighting control. The 20-pin SSOP footprint simplifies hand-prototyping while still supporting 18 I/O lines. Compact 8-bit microcontrollers like the PIC16F18445 are widely chosen when cost, power efficiency and predictable real-time behaviour dominate design priorities. When designing with this part, place a 0.1 uF decoupling capacitor within 3 mm of the VDD pin and a bulk capacitor on the AVDD analog rail if used. The internal oscillator is factory calibrated to +/-2% across voltage and temperature, eliminating an external crystal in most general-purpose designs. For RF-sensitive or USB-class timing accuracy, route an external 32.768 kHz crystal to the SOSC pins instead. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, so procurement and embedded engineers can compare the PIC16F18445 against pin-compatible PIC16F184xx family members and competing 8-bit MCUs in a single view.

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PIC16F18445-E/SSVAO - 14KB Flash 8-bit MCU AEC-Q100 | Microchip
PIC16F18445-E/SSVAO

PIC16F18445-E/SSVAO - 14KB Flash 8-bit MCU AEC-Q100 | Microchip

The Microchip Technology PIC16F18445-E/SSVAO is an 8-bit RISC microcontroller from the PIC16F184xx family featuring 14 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of data EEPROM in a 20-pin SSOP package. The /VAO suffix indicates AEC-Q100 automotive qualification, an extended operating temperature range of -40C to +125C, and automotive-grade production flow. The device integrates a 32 MHz internal oscillator, a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two comparators, two PWM modules, a Complementary Waveform Generator (CWG), EUSART, SPI, and I2C communication peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), EEPROM for parameter storage, and a rich set of on-chip peripherals. The PIC16F18445 belongs to the mid-range PIC16 architecture, which sits within Microchip's broader 8-bit PIC portfolio (PIC10/12/14/16/18) and is widely used in cost-sensitive embedded applications where deterministic real-time response, low power, and compact code density are priorities. Key differentiating specifications include Core Independent Peripherals (CIPs) such as the CWG, which can generate complementary PWM outputs with dead-band control for half-bridge drivers without CPU intervention. The 12-bit ADCC performs automated averaging, filtering, threshold comparison, and oversampling in hardware, freeing the CPU for application logic. eXtreme Low-Power (XLP) technology delivers nanoWatt sleep currents suitable for battery-powered and always-on applications. Typical applications include automotive body and lighting controls, sensor conditioning nodes, HMI sub-systems, low-power IoT end nodes, and industrial sensor interfaces. The extended temperature grade and AEC-Q100 qualification make the /VAO variant particularly suited to under-hood and cabin automotive deployments. Companion parts such as the MCP2517FD CAN-FD controller or MCP2557FD transceiver are commonly paired with this MCU to build complete in-vehicle networking nodes. When designing with this device, pay attention to the SSOP-20 thermal dissipation limit at high ambient temperatures, ensure the ICSP programming pins (ICSPCLK/ICSPDAT) are accessible, and use MPLAB X IDE with XC8 compiler for code development. A 100 nF decoupling capacitor placed within 5 mm of VDD is recommended to suppress switching transients from the digital I/O ring.

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PIC16F18445-I/GZ - 8-Bit XLP MCU 14KB Flash 20-UQFN | Microchip
PIC16F18445-I/GZ

PIC16F18445-I/GZ - 8-Bit XLP MCU 14KB Flash 20-UQFN | Microchip

The Microchip Technology PIC16F18445-I/GZ is an 8-bit PIC microcontroller built on the PIC® XLP™ 16F architecture with Functional Safety (FuSa) support, delivering 32 MHz CPU performance from 14 KB of self-programmable Flash program memory. It is housed in a 20-pin UQFN 4x4 mm package and targets general-purpose and ultra-low-power embedded designs where small footprint and rich analog peripherals are required. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a set of on-chip peripherals such as timers, communication interfaces, ADCs, and GPIO. The PIC16F18445 belongs to the mid-range PIC16F1xxx enhanced family that introduces Core Independent Peripherals (CIPs), allowing complex functions such as signal generation, waveform measurement, and motor control to run in hardware without CPU intervention. Within the broader taxonomy, this part sits at: 8-bit microcontroller → PIC16 family → XLP low-power → functional-safety-capable sub-family → semiconductor device. Key headline specifications include 14 KB Flash program memory (8K x 14 words), 1 KB RAM, 256 bytes of EEPROM data memory, 12-bit ADC with Computation (ADCC), two 10-bit PWMs, an on-chip 5-/8-bit DAC, a Comparator, a Complementary Waveform Generator (CWG), and serial interfaces comprising EUSART, SPI, and I²C. The XLP sleep current can drop below 50 nA in Retention mode, allowing battery-powered products to extend operating life on a single coin cell. The PIC16F18445 integrates the CIP blocks (CWG, NCO, DSM, configurable logic cells, and zero-cross detect) that let designers implement closed-loop SMPS, lighting control, and sensor signal conditioning entirely in silicon. The 12-bit ADCC provides averaging, burst averaging, oversampling, and hardware accumulation, offloading the core from low-level signal processing and enabling precision sensor measurement at low MIPS. Typical applications include IoT sensor nodes, battery-powered thermostats, LED lighting controllers, consumer appliances, automotive body and sensor ECUs (with FuSa documentation), industrial control boards, and wearable health devices. The 4x4 mm UQFN footprint also suits space-constrained designs such as USB-C accessories and small motor-control PCBs. When designing with this part, allocate at least one decoupling 100 nF X7R capacitor adjacent to each VDD/VSS pair and follow Microchip's recommended ground plane layout to keep radiated EMI low. Developers can use the MPLAB X IDE with the free XC8 compiler and PICkit 4 / Snap programmer for in-circuit debug. This page combines distributor pricing, drop-in alternatives, and practical design notes that complement, but do not replace, the manufacturer datasheet and family reference manual.

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PIC16F18445-I/SO - 8-Bit 32MHz XLP MCU, 14KB Flash | Microchip
PIC16F18445-I/SO

PIC16F18445-I/SO - 8-Bit 32MHz XLP MCU, 14KB Flash | Microchip

The Microchip Technology PIC16F18445-I/SO is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, featuring 14KB (8K x 14) of Flash program memory, 1KB of RAM, and a 32MHz internal oscillator, housed in a 20-pin SOIC (0.295 inch / 7.50mm width) package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), peripherals (ADC, timers, communication), and I/O pins on a single silicon die. PIC16 microcontrollers sit in the product hierarchy as: PIC16 -> PIC10/12/16/18 family -> 8-bit MCU -> microcontroller -> embedded IC -> semiconductor. The XLP (eXtreme Low-Power) designation indicates the family is optimized for ultra-low-power operation, making it ideal for battery-powered applications. The device integrates Core Independent Peripherals (CIPs) including a 12-bit ADC with Computation (ADCC), two 10-bit PWMs, a Digital-to-Analog Converter (DAC), a Comparator, a Complementary Waveform Generator (CWG), and configurable logic cells. Communication is handled by EUSART, SPI, and I2C peripherals. Functional Safety (FuSa) features support IEC 61508 SIL applications. Architecturally, the PIC16F18445 uses an enhanced mid-range 8-bit core with a hardware multiplier and 49 instructions, executing most instructions in one clock cycle at up to 32MHz (8 MIPS). The ADCC automates averaging, oversampling, and threshold comparison without CPU intervention, freeing the core for power-management tasks. Typical applications include IoT sensor nodes, consumer white goods, battery-powered measurement devices, low-power wireless sensor interfaces, LED lighting controllers, and industrial control where tight power budgets and rich analog integration simplify BOM. When designing with this part, budget I/O pins carefully - the 20-pin SOIC exposes 17 I/O, limiting concurrent peripheral use. Plan clock source selection (internal 32MHz HFINTOSC vs. external crystal) early, as the choice affects both power and accuracy. This page synthesizes distributor pricing, same-family drop-in alternatives in SOIC-20, and design notes not consolidated in any single source.

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PIC16F18445T-I/GZ - 8-bit 32MHz 14KB FLASH MCU 20-UQFN | Microchip
PIC16F18445T-I/GZ

PIC16F18445T-I/GZ - 8-bit 32MHz 14KB FLASH MCU 20-UQFN | Microchip

The Microchip Technology PIC16F18445T-I/GZ is an 8-bit PIC® XLP™ microcontroller from the PIC16(L)F184xx family with Functional Safety (FuSa) capability, 14 KB (8K × 14) of FLASH program memory, 1 KB of RAM, and a maximum CPU clock of 32 MHz, housed in a 20-pin UQFN (GZ) package measuring 4 × 4 mm. An 8-bit microcontroller is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a configurable set of peripherals around an 8-bit data path. The PIC® XLP™ (eXtreme Low-Power) family extends this with sub-µA sleep currents, making these MCUs the lowest tier of the PIC® microcontroller hierarchy: 8-bit MCU -> PIC16 family -> XLP low-power family -> low-power general-purpose MCU -> semiconductor. The 'Functional Safety (FuSa)' suffix indicates that hardware diagnostics, windowed watchdog, CRC scan and lockable memory are documented for IEC 61508 / ISO 26262 capable designs. Key differentiating features include a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a Complementary Waveform Generator (CWG), configurable logic cells, an EUSART, and SPI/I²C peripherals. XLP technology delivers sleep currents in the sub-µA range, while active current stays low for battery-driven applications. The 20-UQFN package exposes a thermal pad that, when soldered to the PCB ground pour, dramatically lowers junction-to-ambient thermal resistance compared to leaded equivalents. The PIC16F18445T-I/GZ uses an enhanced mid-range 8-bit CPU core with a hardware multiplier and an instruction set optimized for compiled C. Its interrupt controller, peripheral pin select, and zero-cross detection offload routine work from the core, freeing CPU bandwidth for application logic. The 12-bit ADCC supports averaging, oversampling, and threshold-triggered operations in hardware. Typical applications include battery-powered IoT sensor nodes, industrial sensor transmitters, low-power handheld instrumentation, functional-safety sensor peripherals, white-goods user-interface controllers, and consumer remote controls. Its small footprint and low quiescent current also suit wearables and energy-harvesting endpoints. Design considerations: place 100 nF decoupling close to each VDD pin, route analog/digital grounds as split planes joined at a single star, and follow Microchip's TB3138 PCB layout guidelines for the UQFN exposed pad. The trailing 'T' in the MPN denotes tape-and-reel packaging, and the '-I' indicates the -40 °C to +85 °C industrial temperature grade. This page synthesizes distributor pricing, same-package drop-in alternatives, application notes, and design considerations not aggregated on any single manufacturer page.

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PIC16F18445T-I/SS - 14KB Flash 8-Bit MCU | Microchip | 20-SSOP
PIC16F18445T-I/SS

PIC16F18445T-I/SS - 14KB Flash 8-Bit MCU | Microchip | 20-SSOP

The Microchip Technology PIC16F18445T-I/SS is an 8-bit microcontroller from the PIC16F184xx family featuring eXtreme Low-Power (XLP) technology and Core Independent Peripherals (CIPs) for general-purpose and low-power applications. The device operates at up to 32 MHz, integrates 14 KB (8K x 14) of Flash program memory and 1 KB of RAM, and is housed in a 20-pin SSOP (Shrink Small Outline Package) with industrial temperature grade (-40C to +85C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of on-chip peripherals such as ADCs, timers, communication interfaces, and digital logic blocks. The PIC16 family uses a modified Harvard 8-bit RISC architecture that executes one instruction per clock cycle (except branches), giving it deterministic timing ideal for hard-real-time control loops. Microcontrollers sit in the embedded systems hierarchy between discrete logic and full microprocessors, enabling compact, low-cost, low-power designs. Key features of the PIC16F18445T-I/SS include a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two PWM modules, a comparator, a Complementary Waveform Generator (CWG), and serial interfaces including EUSART, SPI, and I2C. Functional Safety (FuSa) capability and CIPs such as the Configurable Logic Cell (CLC) allow hardware-state machines to run autonomously, offloading the CPU. The device supports 1.8V to 5.5V operation with nanoWatt XLP sleep currents in the order of a few microamps, making it suited to battery-powered and energy-harvesting designs. Typical applications include IoT edge nodes, sensor signal conditioning, low-power wireless sensor interfaces, battery-powered HVAC controls, smart home sensor hubs, and small motor/LED control loops. The trailing 'T' in the part number denotes Tape & Reel packaging, and the 'I' suffix indicates the industrial -40C to +85C operating range. When designing with this part, ensure the configuration words, oscillator selection, and PPS (Peripheral Pin Select) assignments are set in the firmware build - PPS is essential because the I2C, SPI, UART, and PWM functions are remappable to most I/O pins.

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PIC16F18446-E/GZ - 8-bit MCU, 32MHz, 28KB Flash | Microchip
PIC16F18446-E/GZ

PIC16F18446-E/GZ - 8-bit MCU, 32MHz, 28KB Flash | Microchip

The Microchip Technology PIC16F18446-E/GZ is a 32 MHz 8-bit PIC microcontroller with 28 KB (16K x 14) Flash program memory housed in a 20-pin UQFN (4x4 mm) package with exposed thermal pad. It belongs to the PIC16(L)F184xx family, integrates Functional Safety (FuSa) features, and combines high-resolution Analog, Core Independent Peripherals (CIPs), and eXtreme Low-Power (XLP) technology for general-purpose and battery-powered applications. An 8-bit microcontroller (MCU) is a self-contained computing element that combines a CPU, non-volatile program memory, data RAM, and peripherals on a single silicon die. The PIC16F18446 sits inside the broader hierarchy: 8-bit microcontroller -> microcontroller (MCU) -> embedded processor -> semiconductor IC. It executes one instruction per cycle from its enhanced mid-range core and supports in-circuit serial programming (ICSP) via two pins, making it well suited for compact, cost-sensitive embedded designs. Key features of the PIC16F18446 include 32 MHz internal oscillator operation (8 MIPS), 2 KB SRAM, 256 bytes of EEPROM, a 12-bit ADC with computation, 8-/16-bit timers, PWM modules, configurable logic cells (CLC), complementary waveform generators (CWG), and multiple serial interfaces (I2C, SPI, UART with LIN). The 20-pin UQFN exposes up to 17 I/O pins with peripheral pin select (PPS) flexibility, allowing remapping of digital peripherals to most I/Os. Architecturally, the device uses a 14-bit instruction-word PIC16 enhanced core with a 16-level hardware stack, hardware multiplier (8x8 in one cycle), and zero-crossing detection on select pins. The XLP Sleep mode drops current consumption to the nanoamp range, and the IDLE/DOZE modes let the CPU sleep while CIPs continue to operate, ideal for always-on sensor polling and energy harvesting designs. Typical applications include low-power sensor nodes, IoT end-node controllers, household appliances, lighting controls, consumer electronics, and battery-powered wearables. The wide operating voltage range and robust peripheral set also suit automotive body and comfort subsystems where the FuSa features accelerate safety documentation. When designing with this MCU, plan the I/O budget against the 20-pin UQFN pinout early: peripheral pin select eases layout, but each function still consumes at least one physical pin. Add an external 100 nF + 1 uF decoupling pair near VDD, and place the ICSP/test pads where a debugger clip or pogo-pin header can reach them.

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PIC16F18446-E/SO - 28KB Flash 8-bit MCU | Microchip | XLP
PIC16F18446-E/SO

PIC16F18446-E/SO - 28KB Flash 8-bit MCU | Microchip | XLP

The Microchip Technology PIC16F18446-E/SO is an 8-bit PIC microcontroller from the PIC16F184xx family featuring 28KB Flash program memory, 2KB RAM, and a 32MHz internal oscillator in a 20-pin SOIC package. The device integrates Core Independent Peripherals (CIPs) such as a 12-bit Analog-to-Digital Converter with Computation (ADCC), Complementary Waveform Generator (CWG), two 10-bit PWMs, configurable logic cells (CLC), and EUSART/SPI/I2C communication interfaces for low-power general-purpose applications. It is built on the eXtreme Low Power (XLP) technology platform, with typical sleep currents in the nanoampere range, making it well-suited for battery-powered and energy-harvesting designs. An 8-bit PIC microcontroller (MCU) is a compact processor built around a Harvard-architecture RISC core optimized for deterministic real-time control with minimal instruction-cycle overhead. Within the broader hierarchy, a microcontroller is a single-chip computer integrating CPU, RAM, non-volatile program memory, peripherals, and I/O, and the PIC16F184xx family sits in the PIC16 mid-range tier targeting applications that demand low power, integrated analog, and peripheral flexibility without an operating system. Key features include the 28KB (16K x 14) Flash memory, 256 bytes of EEPROM data, 2KB SRAM, 12-bit ADCC with automatic averaging, 5-bit DAC, two comparators, and a Peripheral Pin Select (PPS) system that remaps digital peripheral I/O to a wide range of physical pins. The part supports up to 18 I/O pins and operates from 1.8V to 5.5V across the extended -40C to +125C industrial temperature range, making it broadly compatible with 3.3V and 5V system rails. Typical applications include IoT sensor nodes, consumer white goods, low-power wireless sensor hubs, lighting controls, and small home appliances. The integrated 12-bit ADCC allows direct interfacing with analog sensors such as thermistors, photocells, and battery monitors without an external ADC. The CWG and CLC enable flexible waveform synthesis and event-driven logic without CPU intervention, freeing core bandwidth for higher-level tasks. The EUSART/SPI/I2C interfaces are suitable for connecting to external sensors, displays, EEPROM, or RF front-end modules. When designing with this MCU, allocate adequate decoupling (100 nF plus 1 uF to 10 uF bulk) near VDD, route the ICSP programming pins (ICSPCLK/ICSPDAT) to a header that is accessible for in-circuit programming, and use Microchip's MPLAB X IDE with the XC8 compiler. The PPS system should be configured in software early in initialization to remap peripheral functions to chosen pins. This page synthesizes distributor pricing across 11 channels, drop-in 20-SOIC alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers select, source, and integrate the PIC16F18446-E/SO confidently.

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PIC16F18446-E/SS - 32MHz 8-bit MCU, 28KB Flash, 20-SSOP | Microchip
PIC16F18446-E/SS

PIC16F18446-E/SS - 32MHz 8-bit MCU, 28KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC16F18446-E/SS is an 8-bit RISC PIC16 microcontroller operating at up to 32MHz, integrating 28KB (16K x 14 words) of Flash program memory, 2KB SRAM and 256 bytes of EEPROM, housed in a 20-pin SSOP package. It belongs to the PIC16(L)F184xx family which combines Intelligent Analog, Core Independent Peripherals (CIPs) and eXtreme Low-Power (XLP) technology for general purpose and battery powered applications. An 8-bit microcontroller (MCU) is a programmable semiconductor device that integrates a CPU, non-volatile program memory, working RAM, and a rich set of on-chip peripherals (ADC, timers, communication ports, comparators) into a single chip. Within the broader taxonomy, this places the PIC16F18446 in the MCU -> microcontroller -> embedded controller -> semiconductor IC hierarchy. Microcontrollers are the brain of embedded systems and are used wherever sensor data must be read, decisions made, and actuators driven - from a thermostat to a motor controller to a wireless sensor node. Key features include a 32MHz internal oscillator, a 12-bit ADC with computation (ADC2) that offloads averaging and threshold detection from the CPU, two PWM modules, a Complementary Waveform Generator (CWG), a 5-bit DAC, comparators, EUSART, SPI and I2C. The device operates from 1.8V to 5.5V and offers Active current below 1mA/MHz with sleep currents in the nanoamp range via XLP modes, enabling years of operation from a single coin cell. Typical applications include low-power sensor end nodes (IoT), battery powered remote controls, home appliances, lighting controls, sensor signal conditioning nodes and small motor or fan controllers. The high-resolution analog and CIPs allow the ADC, threshold detection and PWM to run without CPU intervention, dramatically reducing active time and overall power consumption. When designing with this device, choose the SSOP-20 variant when PCB height is constrained and 14-20 GPIO pins are sufficient. For pin-constrained designs below 20 pins, the PIC16F18426 family shares the same peripherals in 14-pin packages. Always provide a 0.1uF decoupling capacitor within a few millimeters of VDD. This page synthesizes distributor pricing, drop-in same-package alternatives and practical design notes that are not aggregated on the manufacturer product page or distributor catalog.

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PIC16F18446-I/GZ - 28KB Flash 8-bit MCU, 32MHz, 20-UQFN | Microchip
PIC16F18446-I/GZ

PIC16F18446-I/GZ - 28KB Flash 8-bit MCU, 32MHz, 20-UQFN | Microchip

The Microchip Technology PIC16F18446-I/GZ is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring 28KB (16K x 14) of Flash program memory, 2KB of RAM, and a maximum CPU clock of 32MHz, housed in a compact 20-pin UQFN (4x4 mm) package. It belongs to the PIC® XLP™ (eXtreme Low-Power) lineup and is rated for Functional Safety (FuSa) applications, integrating Core Independent Peripherals (CIPs) that execute tasks in hardware without CPU intervention. An 8-bit microcontroller (MCU) is a single-chip computer that uses an 8-bit data path, optimized for cost-sensitive, low-power, and deterministic embedded applications. Within the broader taxonomy, the PIC16F18446 sits as: PIC microcontroller -> 8-bit MCU -> microcontroller unit -> semiconductor device. The PIC16F184xx family specifically targets sensor end-node, IoT, and battery-powered designs where active current, sleep current, and integration density dominate the design trade-offs. Key features include a 12-bit ADCC (Analog-to-Digital Converter with Computation), a 5-bit DAC, two PWM modules, a Comparator, a Complementary Waveform Generator (CWG), and communication peripherals (EUSART, SPI, I2C). The on-chip CIPs such as the CWG and ADCC enable closed-loop hardware control of sensors, LEDs, and power stages without waking the CPU, dramatically reducing average power consumption. The 20-UQFN package (4x4 mm) provides a minimal PCB footprint suitable for space-constrained wearable and IoT modules. Typical applications include IoT sensor end nodes, battery-powered wireless transmitters, home automation controllers, low-power edge sensors, LED lighting controllers, and consumer appliance user interfaces. The wide 2.3V to 5.5V operating voltage range enables direct connection to 2x AA / coin-cell stacks or 3.3V regulated rails. The XLP sleep currents in the nanoampere range allow multi-year battery life on duty-cycled nodes. When designing with this device, allocate PCB area for the exposed thermal pad on the UQFN, use a 0.1 µF decoupling capacitor adjacent to VDD, and configure the unused I/O pins as outputs to minimize sleep current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F18446-I/SO - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip
PIC16F18446-I/SO

PIC16F18446-I/SO - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip

The Microchip Technology PIC16F18446-I/SO is an 8-bit PIC microcontroller built on the enhanced mid-range PIC16 CPU core, delivering up to 32 MHz operation with 28 KB (16K x 14) of Flash program memory and 2 KB of SRAM, housed in a 20-pin SOIC package with industrial-grade -40C to +85C temperature range. The device integrates 256 bytes of EEPROM data memory, a 12-bit Analog-to-Digital Converter with Computation (ADCC), two 10-bit PWMs, a 5-bit DAC, comparators, a Complementary Waveform Generator (CWG), and EUSART/SPI/I2C communication peripherals. It belongs to the PIC16(L)F184xx family that features Core Independent Peripherals (CIPs) and eXtreme Low-Power (XLP) technology for battery-powered and energy-harvesting applications. An 8-bit microcontroller (MCU) is a compact programmable processor that combines a CPU, non-volatile program memory, RAM, and peripheral interfaces on a single silicon die. The "PIC" architecture uses a modified Harvard layout with separate program and data buses; the PIC16F18446 specifically runs the enhanced mid-range core that supports 49 instructions and a 16-level hardware stack. Within the broader taxonomy, the PIC16F18446 is an 8-bit MCU, which sits below 16-bit dsPIC and 32-bit ARM Cortex-M devices in computational capability but excels in deterministic real-time response, ultra-low sleep current, and small package footprint - making it favored for sensor end-nodes, appliance control, and human-interface peripherals. Key differentiating features include the 12-bit ADCC with automated hardware averaging and threshold comparison that offloads the CPU, the CWG that synthesizes complementary PWM outputs for power-conversion dead-band control, and the Peripheral Pin Select (PPS) module that routes digital peripherals to any I/O pin. The XLP technology delivers typical sleep currents below 50 nA with retention, enabling multi-year coin-cell battery life in wireless sensor nodes. Typical applications include IoT sensor end-nodes, battery-powered remote controls, LED lighting controllers, BLDC motor pre-drivers, white-goods user interfaces, and industrial sensor transmitters. The integrated 12-bit ADC and CIPs make it particularly suited to hardware-based sensor signal conditioning where the CPU remains in sleep until a threshold is crossed.

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PIC16F18446T-I/GZ - 8-bit 32MHz 28KB Flash XLP MCU | Microchip
PIC16F18446T-I/GZ

PIC16F18446T-I/GZ - 8-bit 32MHz 28KB Flash XLP MCU | Microchip

The Microchip Technology PIC16F18446T-I/GZ is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring eXtreme Low-Power (XLP) technology and Functional Safety (FuSa) support. It integrates 28KB (16K x 14 words) of Flash program memory, 2KB of RAM, and runs at up to 32 MHz in a compact 20-pin UQFN (4x4 mm) package. Core Independent Peripherals (CIPs) include dual 10-bit PWMs, a Complementary Waveform Generator (CWG), 12-bit ADC with Computation (ADCC), 5-bit and 8-bit DACs, comparators, EUSART, SPI, and I2C communication interfaces. An 8-bit microcontroller is a small computing-on-a-chip that executes instructions 8 bits wide at a time. It sits within the broader hierarchy of microcontrollers -> embedded microcontrollers -> semiconductor ICs, and is the workhorse of low-power, deterministic, cost-sensitive embedded designs. The PIC16F18446 specifically belongs to the mid-range PIC16 family, which adds CIPs to handle I/O tasks in hardware without burdening the CPU. Key features of this part include operation from 2.3V to 5.5V, an integrated 32 MHz internal oscillator, low-power sleep currents in the nanoampere range via XLP, and CIPs that let designers offload timing-critical functions to hardware. The 12-bit ADCC performs averaging, oversampling, and threshold comparison in hardware, while the CWG can synthesize dead-band-controlled complementary outputs for power-switching applications. Architecturally, the PIC16F18446 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, hardware multiplier, and direct addressing of up to 32KB of Flash. The CIP block includes Numerically Controlled Oscillator (NCO), CWG, and configurable logic cells that act as glue logic on-chip, reducing BOM and PCB area. Typical applications include IoT sensor end nodes, low-power battery-operated products, LED lighting controllers, consumer appliances, and small motor control. Its 20-pin UQFN footprint suits space-constrained designs. When designing, ensure the supply decoupling follows the layout in the datasheet's typical application circuit. For FuSa-required systems, consult Microchip's functional safety documentation for diagnostic coverage and FMEDA data. This page consolidates distributor pricing, drop-in same-package alternatives, and practical design notes drawn from Microchip's PIC16F18446 datasheet and reference designs.

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PIC16F18446T-I/SO - 8-Bit 32MHz 28KB Flash XLP MCU | Microchip
PIC16F18446T-I/SO

PIC16F18446T-I/SO - 8-Bit 32MHz 28KB Flash XLP MCU | Microchip

The Microchip Technology PIC16F18446T-I/SO is an 8-bit PIC16 (L)F184xx family microcontroller featuring 28KB (16K x 14 words) of Flash program memory, 2KB of RAM, and a 32MHz internal oscillator, housed in a 20-pin SOIC package with the industry-standard 0.295" (7.50mm) body width. The "T" suffix denotes Tape & Reel packaging, while the "I" indicates the industrial -40C to +85C operating temperature range. What is a PIC16 XLP microcontroller? An 8-bit MCU (microcontroller unit) is a single-chip computer integrating a CPU core, Flash memory, RAM, and programmable peripherals on one silicon die; the PIC16 family uses a RISC instruction set, and XLP (eXtreme Low Power) denotes Microchip's proprietary nanoWatt technology that enables sleep currents in the tens of nanoamps, allowing battery-powered applications to operate for years on a single cell. Key differentiating features of the PIC16F18446 include Core Independent Peripherals (CIPs) such as the 12-bit ADCC (Analog-to-Digital Converter with Computation), 5-bit DAC, two PWM modules, comparators, CWG (Complementary Waveform Generator), and the EUSART plus SPI/I2C serial interfaces. Functional Safety (FuSa) capability is built in, and the device operates from 1.8V to 5.5V across industrial and consumer temperature grades. Architecturally, the PIC16F18446 combines a Harvard RISC core running up to 32MHz (8 MIPS) with 14-bit instruction words, providing deterministic interrupt latency under 5 cycles and a compact code footprint. The integrated 32MHz HFINTOSC eliminates the need for an external crystal in most designs, while the 16-channel 12-bit ADCC handles sensor fusion, signal conditioning, and battery monitoring without external analog components. Typical applications include low-power IoT sensor nodes, battery-powered home automation, LED lighting controls, small consumer appliances, and industrial sensor interfaces. The wide operating voltage range and nanoWatt XLP modes also suit wearables and remote controls where standby current dominates total energy budget. When designing with this MCU, place a 0.1uF decoupling capacitor close to VDD and use the ICSP programming pins (PGED/PGEC) with a 10k pull-up on MCLR to ensure reliable in-circuit programming. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet.

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PIC16F18455-E/SO - 14KB Flash 8-bit MCU | Microchip XLP | 28-SOIC
PIC16F18455-E/SO

PIC16F18455-E/SO - 14KB Flash 8-bit MCU | Microchip XLP | 28-SOIC

The Microchip Technology PIC16F18455-E/SO is a 14KB Flash 8-bit microcontroller from the PIC16F184xx family featuring XLP (eXtreme Low Power) technology and Core Independent Peripherals (CIPs). It operates at up to 32MHz, integrates 14KB (8K x 14 words) of Flash program memory, 1KB of RAM, and offers peripheral connectivity including 2x PWMs, a Comparator, a 5-bit DAC, 12-bit ADCC, CWG, EUSART, and SPI/I2C. The device is housed in a 28-pin SOIC (7.50mm/0.295in width) surface-mount package and supports an extended operating temperature range from -40C to +125C. An 8-bit PIC microcontroller is a compact, low-power RISC-based computing core optimized for embedded control tasks. It sits within the broader hierarchy of microcontroller -> embedded processor -> semiconductor IC, where it competes with 32-bit ARM Cortex-M0 devices for low-cost general-purpose applications. The 8-bit architecture retains advantages in code density, deterministic timing, and ease of use through MPLAB X IDE and XC8 toolchain. The XLP designation indicates the family targets battery-powered and energy-harvesting designs with deep-sleep current measured in nanoamps. Key features include a 12-bit Analog-to-Digital Converter with Computation (ADCC) for automated averaging and threshold detection, a 5-bit DAC for analog setpoint generation, a Complementary Waveform Generator (CWG) for power-converter gate-drive signals, and a Zero-Cross Detect (ZCD) module. The device supports 1.8V to 5.5V VDD operation, making it suitable for both 3.3V and 5V systems. Peripherals such as EUSART, SPI, and I2C enable flexible communication with sensors and master controllers. Typical applications include low-power IoT sensor nodes, consumer electronics with capacitive touch sensing via the MTouch peripheral, battery-powered home automation, and industrial control blocks. The combination of XLP sleep current, the 12-bit ADCC, and on-chip DAC eliminates many external analog components, reducing BOM cost and PCB area in space-constrained designs. When designing with this device, place a 100nF decoupling capacitor as close as possible to the VDD pin, and route MCLR through a 10k pull-up. Confirm that the 32MHz internal oscillator accuracy is sufficient for your timing budget, or specify an external crystal for UART-bound communication. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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