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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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PIC16F18455-E/SS - 14KB Flash 8-bit MCU, 32MHz, SSOP-28 | Microchip
PIC16F18455-E/SS

PIC16F18455-E/SS - 14KB Flash 8-bit MCU, 32MHz, SSOP-28 | Microchip

The Microchip Technology PIC16F18455-E/SS is an 8-bit PIC microcontroller featuring 14KB Flash program memory, 1KB RAM, and a 32MHz internal oscillator, housed in a 28-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. Operating voltage spans 2.3V to 5.5V across an industrial -40C to +125C temperature range. An 8-bit microcontroller (MCU) is a small computer on a single integrated circuit containing a CPU, memory (Flash, RAM, EEPROM), and programmable I/O peripherals. PIC microcontrollers use a modified Harvard RISC architecture, executing one instruction per clock cycle (except branches) to deliver deterministic performance at low clock rates. PIC MCUs sit within the broader hierarchy of: microcontroller -> embedded processor -> integrated circuit -> semiconductor. Compared with 16-bit or 32-bit MCUs, 8-bit parts typically deliver lower cost, lower power, and simpler toolchains for sensing, control, and human-interface tasks. Key features include a 12-bit Analog-to-Digital Converter with Computation (ADC2), two PWM modules, a Digital-to-Analog Converter (DAC), a Comparator, a Complementary Waveform Generator (CWG), EUSART, and SPI/I2C interfaces. The device integrates CIPs that offload timing-critical tasks from the CPU, enabling deterministic response without firmware intervention. The PIC16F18455 uses an enhanced mid-range 8-bit core with a 14-bit instruction word, supporting interrupt-driven and core-independent operation. Internal voltage reference, temperature indicator, and zero-cross detection extend its analog capability, while Memory Access Partitioning (MAP) and Device Information Area (DIA) support bootloader and calibration flows. Typical applications include IoT sensor nodes, battery-powered instrumentation, consumer appliances, LED lighting controllers, low-cost motor control, and industrial automation peripherals. The XLP feature set (sleep currents below 1 uA typical with full RAM retention) makes it suitable for energy-harvesting and remote-control products. Design tip: choose the SSOP-28 variant over the SOIC-28 only when board height is constrained; both share the same 0.65mm pitch and are drop-in pin-compatible. For automotive qualification, select the -I or -E temperature grades as required by the target environment. This page synthesizes distributor pricing, drop-in PIC16F184xx alternatives, and practical design notes not found in the manufacturer datasheet alone, providing an at-a-glance comparison of compatible 28-pin SSOP 8-bit MCUs.

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PIC16F18455-I/SO - 8-bit 32MHz 14KB Flash MCU | Microchip
PIC16F18455-I/SO

PIC16F18455-I/SO - 8-bit 32MHz 14KB Flash MCU | Microchip

The Microchip PIC16F18455-I/SO is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, featuring a 32 MHz internal oscillator, 14 KB (8K x 14 words) of Flash program memory, 1 KB of RAM and 256 bytes of EEPROM, and a 12-bit ADC with Computation (ADC2). Housed in a 28-pin SOIC wide-body (SO) package, the -I suffix indicates the industrial temperature grade (-40C to +85C). An 8-bit microcontroller (MCU) is a small, low-power programmable processor built around an 8-bit data path, optimized for embedded control rather than raw computational throughput. The PIC16F18455 belongs to the broader class of microcontrollers within the semiconductor hierarchy: MCU -> embedded processor -> integrated circuit. It uses Microchip's enhanced mid-range 16-bit instruction set running on an 8-bit data bus, giving deterministic execution and very low power draw suitable for battery-powered edge devices. Key features include eXtreme Low-Power (XLP) technology with currents in the nanoamp range in sleep, Core Independent Peripherals (CIPs) such as CWG, NCO, DSM and configurable logic cells, Memory Access Partitioning (MAP) for bootloader support, and a Device Information Area (DIA) for unique serialization. The 12-bit ADC2 performs automated averaging, filtering and threshold comparisons without CPU intervention. Typical applications include low-power IoT sensor nodes, battery-powered HVAC and thermostat controls, automotive interior lighting and body controllers, consumer appliances, and general-purpose logic replacement. The wide 1.8V to 5.5V operating range and rich peripheral set let one part cover analog sensing, PWM-driven loads and serial communication in a single device. When designing with this part, ensure decoupling capacitors are placed within a few millimeters of VDD/VSS pins and that the ICSP programming footprint is retained on production boards to allow in-field firmware updates. The 28-SOIC wide package (7.50 mm body) is the most serviceable hand-solder option for prototype runs.

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PIC16F18455-I/SP - 8-bit MCU 14KB Flash 32MHz 28-SPDIP | Microchip
PIC16F18455-I/SP

PIC16F18455-I/SP - 8-bit MCU 14KB Flash 32MHz 28-SPDIP | Microchip

The Microchip Technology PIC16F18455-I/SP is an 8-bit PIC microcontroller from the PIC16F184xx family, featuring 14KB Flash program memory, 1KB RAM, and a 32MHz internal oscillator in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It combines high-resolution analog peripherals, Core Independent Peripherals (CIPs), and eXtreme Low-Power (XLP) technology, targeting general-purpose and energy-conscious embedded designs. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating a CPU, Flash program memory, SRAM, and a rich set of peripherals such as ADCs, timers, communication interfaces, and Core Independent Peripherals (CIPs). The PIC16F18455 sits within the larger taxonomy of microcontrollers -> 8-bit MCUs -> PIC16 family -> PIC16F184xx sub-family -> 16KB-Flash low-pin-count devices. It is widely used where deterministic real-time control, low active and sleep power, and compact analog integration matter more than raw MIPS. Key features include 14KB (8K x 14 words) self-programmable Flash, 1KB RAM, 256-byte EEPROM, a 12-bit ADC with Computation (ADCC), 10-bit DAC, two PWMs, a Complementary Waveform Generator (CWG), EUSART, SPI, I2C, and a configurable Logic Cell. The 12-bit ADCC supports automated averaging, threshold comparison, and hardware accumulator, offloading signal conditioning from the CPU. Architecturally, the PIC16F18455 uses an enhanced mid-range 8-bit core with a 14-bit instruction word and a hardware multiplier, enabling C-compiled firmware at 32MHz while retaining PIC predictability. XLP technology drives active currents to the sub-100 µA/MIPS range and sleep currents below ~50 nA typical, supporting battery-sourced and energy-harvesting products. Typical applications include low-power IoT sensor nodes, consumer white goods, HVAC controls, battery-powered instrumentation, LED lighting controllers, and industrial sensor signal conditioning. Designers benefit from the combination of 12-bit analog accuracy and tiny quiescent draw in a single through-hole device. When designing, select the -I variant (industrial, -40C to +85C) for non-automotive deployments and the -E variant for extended temperature grades. Decoupling 100nF ceramic capacitors at every VDD/VSS pair and a 10µF bulk cap near the MCU are recommended for ADCC noise performance. This page synthesizes real distributor pricing as of 2026-09-20, drop-in same-package alternatives, and practical design guidance beyond what appears in the manufacturer datasheet.

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PIC16F18455-I/SS - 8-Bit 32MHz 14KB Flash XLP MCU | Microchip
PIC16F18455-I/SS

PIC16F18455-I/SS - 8-Bit 32MHz 14KB Flash XLP MCU | Microchip

The Microchip Technology PIC16F18455-I/SS is an 8-bit RISC PIC16F microcontroller running up to 32 MHz with 14 KB (8K x 14) of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM, packaged in a 28-pin SSOP (5.30 mm body). It belongs to the PIC16(L)F184xx family, which pairs high-resolution analog, Core Independent Peripherals (CIPs) such as CLC, CWG, NCO, and configurable logic, with eXtreme Low-Power (XLP) technology for general-purpose and battery-driven designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripheral I/O, and interrupt control on one die. The PIC16F18455's 8-bit Harvard architecture executes one instruction per cycle (excluding branches), and its XLP lineage targets sleep currents in the nanoamp range with active run currents below 1 mA/MHz. Key features include 14 KB self-programmable Flash, 1 KB SRAM, 256 B EEPROM, an integrated 10-bit ADC with computation, multiple 8/16-bit timers, EUSART, SPI, and I2C peripherals, a 32 MHz internal oscillator, and an operating range of -40 °C to +85 °C (industrial grade). The 28-SSOP footprint exposes up to 25 digital I/O, including interrupt-on-change, with peripheral pin select (PPS) routing. The device combines a low-power analog complement with Core Independent Peripherals, allowing capacitive sensing, power-supply signaling, and real-time control without CPU intervention. Hardware CIPs such as the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO) offload tasks from the CPU, reducing active-mode power and freeing MIPS for application code. Typical applications include low-power IoT sensor nodes, battery-powered HVAC controls, automotive body and interior ECUs, white goods and appliance HMI, LED lighting controllers, and general-purpose 8-bit embedded products. The 32 MHz core plus PPS gives designers flexibility to remap peripherals, while XLP enables multi-year coin-cell operation. When designing with this part, place a 100 nF decoupling capacitor within 2 mm of VDD and connect unused I/O to a defined logic level to minimize current draw. Programming is supported by Microchip's MPLAB X IDE with free XC8 compiler; in-circuit serial programming (ICSP) uses only two pins, simplifying board layout and field upgrades. This page synthesizes distributor pricing, drop-in 28-SSOP alternatives, application notes, and practical design guidance that complement the manufacturer datasheet for engineers evaluating the PIC16F18455-I/SS.

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PIC16F18455-I/STX - 8-bit XLP MCU 14KB Flash 32MHz | Microchip
PIC16F18455-I/STX

PIC16F18455-I/STX - 8-bit XLP MCU 14KB Flash 32MHz | Microchip

The Microchip Technology PIC16F18455-I/STX is an 8-bit PIC RISC microcontroller with 14KB (8K x 14 words) of Flash program memory, 1KB of SRAM, and 256 bytes of data EEPROM, operating up to 32MHz and housed in a 28-pin VQFN (4x4 mm) package with exposed thermal pad. It integrates a 12-bit ADC with Computation (ADCC), two 10-bit PWMs, a 5-bit DAC, a comparator, a Complementary Waveform Generator (CWG), and serial interfaces including EUSART, SPI, and I2C, all in the low-pin-count PIC16F184xx family. What is an 8-bit PIC microcontroller? An 8-bit PIC microcontroller is a Harvard-architecture, RISC-based microcontroller that fetches instructions from Flash program memory and operates on 8-bit data words in a single CPU cycle. PIC MCUs belong to the broader category of microcontrollers (MCU) within embedded processors, themselves a subset of integrated circuits. They sit at the lowest tier of the embedded computing hierarchy - below 16-bit dsPIC, 32-bit ARM Cortex-M0/M4, and application processors - and are typically chosen for cost-sensitive, deterministic, peripheral-rich applications where a full 32-bit core would be overkill. Key features include eXtreme Low-Power (XLP) technology with sub-1 uA sleep current, Core Independent Peripherals (CIPs) that operate without CPU intervention, and a 32MHz internal oscillator with 1% accuracy. The 12-bit ADCC performs automated averaging, threshold detection, and oversampling in hardware, offloading signal-conditioning work from the CPU. Multiple power-managed operating modes - Run, Doze, Idle, Sleep, and Peripheral Module Disable (PMD) - let developers minimize quiescent draw in battery-powered designs. Typical applications include consumer IoT sensor nodes, low-power handheld instruments, LED lighting controllers, battery-powered motor control loops, and small appliance user interfaces. The combination of 14KB Flash and 1KB SRAM is sufficient for state-machine firmware, basic protocol stacks (Modbus, LIN slave), and PID control loops without external memory. When designing with this MCU, budget I/O pins carefully: the 28-VQFN exposes roughly 24 GPIO pins, with several shared between analog inputs and digital peripherals. Always reserve the ICSPDAT/ICSPCLK pins (typically RB6/RB7) for in-circuit serial programming unless the design includes a dedicated debug header.

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PIC16F18455T-I/SO - 14KB Flash 8-bit XLP MCU 28-SOIC | Microchip
PIC16F18455T-I/SO

PIC16F18455T-I/SO - 14KB Flash 8-bit XLP MCU 28-SOIC | Microchip

The Microchip Technology PIC16F18455T-I/SO is an 8-bit RISC microcontroller in the PIC16(L)F184xx family with 14KB Flash program memory, 1KB RAM, and a 32MHz internal oscillator, housed in a 28-pin SOIC package with industrial -40C to +85C temperature grade. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and peripherals on one silicon die. The PIC16F18455 sits in the hierarchical family PIC16F18455 -> PIC16F184xx -> PIC16 -> PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers -> integrated circuits. Microchip's PIC16 family is a workhorse of low-power and general-purpose embedded designs thanks to the eXtreme Low-Power (XLP) technology that delivers nanoWatt sleep currents. Key features include 14KB (8Kx14 words) of self-programmable Flash, 1KB data SRAM, 256B EEPROM, a 12-bit ADC with Computation (ADC2), 2 PWMs with complementary waveform generation, a 5-bit DAC, two comparators, EUSART, SPI, I2C, a Complementary Waveform Generator (CWG), and Core Independent Peripherals (CIPs) that offload tasks from the CPU. The device operates from 2.3V to 5.5V across -40C to +125C. The architecture uses a Harvard-style 8-bit RISC core with a modified 14-bit instruction word optimized for code density. Core Independent Peripherals (CIPs) such as the CWG, NCO, and configurable logic cells let the chip handle timing-critical events without CPU intervention, freeing the core for application logic and reducing firmware complexity. Typical applications include battery-powered IoT sensor nodes, low-power wireless remotes, HVAC controls, small appliances, LED lighting controllers, and consumer white-goods user-interface boards. The trailing 'T' in the part number designates Tape and Reel packaging, and the '/SO' suffix identifies the 300-mil 28-pin SOIC. When designing with this part, ensure your programmer/debugger is compatible with the device's In-Circuit Serial Programming (ICSP) interface and verify the SOIC pad pitch against your PCB footprint. For applications below 2.5V, drop to 16MHz CPU speed; for full 32MHz operation, keep VDD at 2.5V or above. This page synthesizes distributor pricing, drop-in PIC16F184xx and PIC16F182xx family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F18455T-I/SS - 32MHz 8-bit MCU, 14KB Flash, 28-SSOP
PIC16F18455T-I/SS

PIC16F18455T-I/SS - 32MHz 8-bit MCU, 14KB Flash, 28-SSOP

The Microchip Technology PIC16F18455T-I/SS is an 8-bit RISC microcontroller from the PIC16F18455 family, featuring 14 KB of Flash program memory, 1 KB of SRAM, and a 32 MHz internal oscillator in a 28-pin SSOP (Tape and Reel) package. The device integrates Core Independent Peripherals (CIPs), eXtreme Low-Power (XLP) technology, and high-resolution analog including a 12-bit ADC with Computation (ADC2), a 5-bit DAC, and up to two comparators. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and a range of peripherals onto one die. Within the broader semiconductor taxonomy, MCUs belong to the embedded controller category, sitting beneath microprocessors in processing power but above simple logic ICs in functional integration. PIC16F series devices are Microchip's mid-range 8-bit family, optimized for low-power general-purpose and consumer/industrial applications. Key features of the PIC16F18455T-I/SS include 14 KB (8K x 14 words) of self-programmable Flash, 1 KB of SRAM, 256 bytes of EEPROM, 26 I/O pins, and rich on-chip peripherals: 2 EUSART, 2 MSSP (SPI/I2C), 2 PWM modules with complementary outputs, CWG (Complementary Waveform Generator), 12-bit ADC2, 5-bit DAC, 2 comparators, and a windowed WDT. The XLP deep-sleep current is typically under 50 nA with full RAM retention. The PIC16F18455 architecture uses a Harvard RISC core with a 14-bit instruction word and single-cycle execution at 32 MHz (8 MIPS). The 12-bit ADC2 with computation automates averaging, threshold comparison, and oversampling, reducing firmware burden. Peripheral Pin Select (PPS) and Memory Access Partitioning (MAP) provide flexible pin remapping and bootloader protection. Typical applications include low-power IoT sensor nodes, battery-powered consumer devices, smart home controls, LED lighting controllers, small appliance user interfaces, and industrial sensor conditioning. The XLP nanoWatt features and 32 MHz performance balance responsive computation with multi-year battery life. When designing with this part, allocate at least one decoupling capacitor per power pin (typically 100 nF ceramic) and follow Microchip's MPLAB X IDE / XC8 compiler toolchain. The wide 1.8 V to 5.5 V supply range enables both single-cell Li-ion and 5 V regulated designs. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet alone, providing engineers with a faster selection path for the PIC16F18455 family.

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PIC16F18456-E/SS - 8-bit MCU, 32MHz, 28KB Flash, 28-SSOP | Microchip
PIC16F18456-E/SS

PIC16F18456-E/SS - 8-bit MCU, 32MHz, 28KB Flash, 28-SSOP | Microchip

The Microchip Technology PIC16F18456-E/SS is an 8-bit PIC microcontroller from the PIC16(L)F184xx family featuring Core Independent Peripherals (CIPs), high-resolution analog peripherals, and eXtreme Low-Power (XLP) technology. It integrates 28KB of Flash program memory, 2KB of RAM, and operates at up to 32MHz in a 28-pin SSOP package (Extended temperature grade -40C to +125C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. The PIC16F18456 belongs to the 8-bit MCU category (8-bit CPU data path -> microcontroller -> embedded controller -> semiconductor IC), positioned for general-purpose and low-power embedded designs. The 16F184xx family specifically targets applications that combine analog signal conditioning with serial communication, replacing multi-chip discrete solutions. Key features include a 12-bit Analog-to-Digital Converter with Computation (ADCC), a 5-bit and 8-bit Digital-to-Analog Converter (DAC), two PWMs, a Complementary Waveform Generator (CWG), a Comparator, EUSART, and two SPI/I2C interfaces. These CIPs allow hardware-based signal generation and conditioning without CPU intervention, freeing the core for application logic and reducing firmware complexity. The PIC16F18456 uses a RISC architecture with a modified Harvard memory layout, providing deterministic interrupt response and predictable instruction timing. The XLP technology delivers deep-sleep currents below 1uA in sleep mode with retention, making it suitable for battery-powered sensor nodes. The 32MHz internal oscillator removes the need for an external crystal in most designs. Typical applications include IoT sensor nodes, low-power wireless sensor interfaces, battery-powered home automation, industrial control, automotive body electronics, and consumer appliances. The combination of 12-bit ADC, DAC, and PWM makes it well-suited for closed-loop motor control and LED lighting. The EUSART and dual SPI/I2C enable bridging to sensor, display, or wireless modules. When designing with this device, allocate sufficient decoupling (100nF + 1uF) close to VDD, route the ICSP programming pins to a debug header, and configure the configuration bits (FOSC, WDTE, etc.) in your project settings. The 28-SSOP package is hand-solderable for prototyping but is best assembled in volume via reflow. This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, plus drop-in alternatives from the PIC16F184xx family and pin-compatible variants, plus practical design notes not aggregated in the manufacturer datasheet.

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PIC16F18456-I/SO - 8-bit MCU, 32MHz, 28KB Flash, 28-SOIC | Microchip
PIC16F18456-I/SO

PIC16F18456-I/SO - 8-bit MCU, 32MHz, 28KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC16F18456-I/SO is an 8-bit RISC microcontroller featuring a 32MHz PIC16 CPU core, 28KB of FLASH program memory, 2KB of RAM, and a 28-pin SOIC (SO) wide-body package with industrial -40C to +85C temperature rating. It is part of the PIC16(L)F184xx family built around Microchip's eXtreme Low-Power (XLP) technology and Core Independent Peripherals (CIPs). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a rich set of peripherals on one die. Within the semiconductor taxonomy it sits inside the microcontroller family, which itself belongs to integrated circuits (ICs) and ultimately to the broader category of power-managed embedded computing devices. The PIC16F18456 combines this architectural simplicity with modern analog and digital peripherals, making it a step up from older PIC16F1xxx devices while preserving instruction-set and tool-chain compatibility. Key differentiating features of the PIC16F18456 include a 12-bit ADC with up to 24 channels, a 5-bit DAC, two PWM modules, a comparator, a Complementary Waveform Generator (CWG), and dual EUSART plus dual SPI/I2C communication. It supports 28KB (16K x 14 words) of self-programmable FLASH, 2KB SRAM, and 256 bytes of EEPROM. The device operates from 1.8V to 5.5V and includes XLP idle/doze modes for battery-powered designs. Technically, the PIC16F18456 uses a Harvard RISC architecture with a 14-bit instruction word, a hardware multiplier, and a vectored interrupt controller. The peripheral pin-select (PPS) routing allows most digital functions to be remapped to a wide range of I/O pins, simplifying PCB layout in space-constrained designs. Typical applications include low-power IoT sensor nodes, consumer appliance control boards, automotive body electronics (non-safety), industrial sensor signal conditioning, LED lighting controllers, and USB-to-UART bridges using the EUSART. When designing with this device, ensure the WDT is configured for your application's recovery latency and that the PPS mapping matches your board layout. The 28-SOIC package simplifies hand prototyping and rework compared to smaller QFN variants. This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes that complement the official Microchip datasheet.

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PIC16F18456-I/SP - 8-bit 32MHz XLP MCU 28KB Flash 28-SPDIP | Microchip
PIC16F18456-I/SP

PIC16F18456-I/SP - 8-bit 32MHz XLP MCU 28KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC16F18456-I/SP is an 8-bit PIC microcontroller featuring a 32 MHz PIC16 CPU core, 28 KB (16K x 14) of Flash program memory, and a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. Industrial temperature range -40C to +85C with 2.3V to 5.5V operating voltage. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals (ADCs, timers, communication interfaces) onto one die. The PIC16F18456 belongs to the eXtreme Low-Power (XLP) family, which targets battery-powered and energy-harvesting designs. Within the broader taxonomy it sits as: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features include 32 MHz max CPU clock, 28 KB Flash, 2 KB RAM, 256 bytes EEPROM, 12-bit ADC with Computation (ADCC), 2x PWM with Complementary Waveform Generator (CWG), DAC, comparator, EUSART, and 2x SPI/I2C. Core Independent Peripherals (CIPs) handle tasks in hardware without waking the CPU, reducing power consumption. XLP technology delivers sub-uA sleep currents for battery longevity. Architecturally the device uses a 14-bit instruction word RISC core (16K x 14 = 28 KB Flash addressing) with a hardware multiply and single-cycle instruction execution. The 12-bit ADCC includes averaging, burst averaging, and threshold comparisons; the CWG provides complementary outputs with programmable dead-band for synchronous motor control. Typical applications include IoT sensor nodes, consumer appliance controls, industrial sensor interfaces, low-power remote controls, and battery-operated medical devices. The combination of CIPs and XLP suits designs that must wake, sample, and return to deep sleep rapidly. A key design consideration: the SPDIP package is suitable for prototypes, hand-soldered prototypes, and educational use; for volume production choose the SOIC (PIC16F18456-I/SO), SSOP (PIC16F18456-E/SS), or QFN (PIC16F18456-I/STX) variants for smaller PCB footprint.

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PIC16F18456-I/SS - 32MHz 8-bit XLP MCU, 28KB Flash | Microchip
PIC16F18456-I/SS

PIC16F18456-I/SS - 32MHz 8-bit XLP MCU, 28KB Flash | Microchip

The Microchip Technology PIC16F18456-I/SS is an 8-bit PIC microcontroller from the PIC16F184xx family featuring eXtreme Low-Power (XLP) technology, 28KB (16K x 14) of Flash program memory, 2KB RAM, and a 32MHz internal CPU, housed in a 28-pin SSOP package for industrial temperature operation. An 8-bit microcontroller (MCU) is a single-chip microprocessor with an 8-bit data path, on-chip Flash, RAM, peripherals, and a CPU core optimized for embedded control. The PIC16F184xx family belongs to the broader category of PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers (MCU) -> integrated circuits (IC). The 'F' suffix indicates Flash program memory; the '18456' denotes a specific member of the PIC16F184xx family, distinguished from its PIC16F18455 sibling by memory size and peripheral count. Key features include 28KB Flash, 2KB RAM, 256B EEPROM, a 12-bit ADC with Computation (ADCC), two PWM modules, a 5-bit DAC, comparators, CWG (Complementary Waveform Generator), and EUSART plus two SPI/I2C interfaces. The XLP architecture delivers nanoWatt technology with idle currents below 1 uA in sleep mode with peripheral clock gating, making the part suitable for battery-powered designs. The architecture combines a Harvard RISC core with Core Independent Peripherals (CIPs) that operate without CPU intervention, offloading tasks such as signal conditioning, motor control timing, and communications. The 12-bit ADCC includes averaging, burst averaging, and threshold interrupts, simplifying sensor front-ends. The 32MHz internal oscillator eliminates external crystals for many cost-sensitive designs. Typical applications include IoT sensor nodes, battery-powered remote controls, low-power wireless sensor platforms, white goods and appliance controls, LED lighting controllers, and general-purpose embedded control with analog signal conditioning. The wide operating voltage and rich peripheral mix support both consumer and industrial segments. When designing with this device, plan pin allocations for the analog-capable pins (ANx) and PPS-mapped functions early - PPS reassignment of digital peripherals is flexible but must respect analog channel priorities. Decouple VDD with at least a 100 nF ceramic close to the pins and follow Microchip's recommended PCB layout for SSOP-28 thermal dissipation at high ambient temperatures. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet to accelerate BOM selection and schematic review.

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PIC16F18456-I/STX - 28KB Flash 32MHz 8-bit MCU | Microchip
PIC16F18456-I/STX

PIC16F18456-I/STX - 28KB Flash 32MHz 8-bit MCU | Microchip

The Microchip PIC16F18456-I/STX is an 8-bit PIC16 (XLP) microcontroller built around the enhanced mid-range core, delivering 32 MIPS performance at 32 MHz while integrating 28 KB of Flash, 2 KB of RAM, and 256 bytes of EEPROM in a compact 28-pin VQFN (4x4 mm) package. The device pairs high-resolution analog peripherals with Core Independent Peripherals (CIPs) including a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two comparators, a Complementary Waveform Generator (CWG), and two CCP/PWM modules, alongside communication peripherals such as EUSART, two SPI/I2C, and configurable logic cells. An 8-bit microcontroller is a single-chip computer whose datapath and registers are 8 bits wide, balancing low cost, deterministic behavior, and ease of programming against the throughput of 16-bit or 32-bit MCUs. In the broader taxonomy, the PIC16F18456 sits below 32-bit Cortex-M parts and above legacy 4-bit controllers; within Microchip's lineup, it belongs to the PIC16F1xxx enhanced mid-range family, sits above the baseline PIC10/12/16 baseline families, and below the PIC18 and dsPIC families. It is widely used for sensor fusion, low-speed human-interface, and battery-powered applications where deterministic interrupt latency matters more than raw throughput. Key specifications include a wide 1.8 V to 5.5 V operating range, 49 dB typical PSRR for noise immunity, 4 high-current sink/source I/O capable of 100 mA each, and eXtreme Low-Power (XLP) technology that drops sleep current to roughly 50 nA typical with multiple power-managed operating modes such as doze, idle, and sleep with peripheral supervision. Internal oscillator options up to 32 MHz and a 32 kHz Low-Power LFINTOSC remove the cost and space of an external crystal in many designs. Typical applications include IoT sensor nodes, portable medical and wearable devices, automotive body and lighting controllers, industrial sensor interfaces, and low-cost consumer white goods. The combination of small VQFN-28 footprint, ample analog integration, and low-power modes makes it especially attractive for space-constrained battery-powered designs that previously required an external ADC or op-amp. When laying out the PCB, dedicate a 0.1 µF decoupling capacitor adjacent to every VDD pin and a bulk 10 µF tantalum or ceramic cap at the regulator output. Keep analog reference traces short and guarded, route the VQFN-28 EP (exposed pad) to a continuous ground copper pour for thermal relief, and program the PPS (Peripheral Pin Select) mappings in code to optimize trace routing. This page consolidates distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F18456T-I/SO - 8-Bit 32MHz XLP MCU, 28KB Flash | Microchip
PIC16F18456T-I/SO

PIC16F18456T-I/SO - 8-Bit 32MHz XLP MCU, 28KB Flash | Microchip

The Microchip Technology PIC16F18456T-I/SO is an 8-bit PIC16 XLP microcontroller featuring a 32 MHz CPU, 28 KB (16K x 14) of Flash program memory, 2 KB of RAM, and a rich set of Core Independent Peripherals (CIPs), housed in a 28-pin SOIC package. The 'T' suffix indicates Tape and Reel packaging for high-volume surface-mount assembly, and the 'I' temperature grade supports industrial operation from -40C to +85C. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, favored in cost-sensitive, deterministic, low-power embedded designs. Within the broader silicon taxonomy, a PIC16 belongs to the 8-bit MCU family, then Microcontroller, then Embedded Processing, then Semiconductor. The XLP (eXtreme Low-Power) lineage specifically targets battery-powered and energy-harvesting applications where nanoamp sleep currents and fast wake-up times dominate the design trade-off. Key features include 28 KB Flash, 2 KB RAM, two PWMs, a 12-bit ADC with Computation (ADCC), a 5-bit DAC, a Comparator, the Complementary Waveform Generator (CWG), and communication peripherals: EUSART and two SPI/I2C. The ADCC automates averaging, oversampling, and threshold comparisons without CPU intervention, freeing the core for supervisory tasks and reducing average power. Architecturally, the PIC16F18456 employs an enhanced mid-range 8-bit RISC core with a hardware multiply and a modified Harvard bus, allowing a single instruction cycle per clock and up to 32 MHz operation. The 12-bit ADCC extends beyond traditional 10-bit ADCs by integrating burst-averaging hardware, which is valuable for sensor signal conditioning in noisy environments. Typical applications include IoT sensor nodes, consumer appliance control, battery-powered handheld instruments, automotive body and lighting sub-systems (when paired with Q-graded variants), and industrial sensor interfaces. The wide peripheral set allows one MCU to replace multiple discrete components in compact designs. Design consideration: when migrating the 28-SOIC layout to a smaller footprint, evaluate the PIC16F18456-I/SS (28-SSOP) or PIC16F18456-I/SP (28-SPDIP) variants. For automotive AEC-Q100 needs, choose the PIC16F18456T-E/SOVAO part number explicitly. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes drawn from the Microchip datasheet family to support faster component selection.

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PIC16F18456T-I/STX - 28KB Flash 8-bit MCU 28-VQFN | Microchip
PIC16F18456T-I/STX

PIC16F18456T-I/STX - 28KB Flash 8-bit MCU 28-VQFN | Microchip

The Microchip Technology PIC16F18456T-I/STX is a high-performance 8-bit PIC microcontroller in the PIC16F184xx family, featuring 28KB of Flash program memory, 2KB of SRAM, a 32MHz internal oscillator, and a rich set of Core Independent Peripherals (CIPs). Housed in a compact 28-pin VQFN (4x4mm) package with an exposed thermal pad, the part runs from 1.8V to 5.5V and integrates eXtreme Low-Power (XLP) technology for battery-friendly operation across industrial and consumer designs. An 8-bit PIC microcontroller is a reduced-instruction-set computing (RISC) device that executes one instruction per clock cycle, balancing deterministic real-time response, low power, and high code density. PIC MCUs belong to the broader microcontroller -> embedded controller -> semiconductor device taxonomy and serve general-purpose logic, sensing, and communication roles in embedded systems. The PIC16F184xx family layers on top of that legacy by adding Intelligent Analog and CIP blocks, enabling complex functions without burdening the CPU. Key differentiating features of the PIC16F18456 include a 12-bit Analog-to-Digital Converter with Computation (ADC2) that automates averaging and threshold detection, a 5-bit Digital-to-Analog Converter (DAC), two Capture/Compare/PWM modules, a Complementary Waveform Generator (CWG), an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), and two SPI/I2C interfaces. These peripherals are interconnected via Peripheral Pin Select (PPS), which lets designers remap digital functions to almost any I/O pin and simplifies PCB routing. The 32MHz internal oscillator eliminates an external crystal in many designs, reducing BOM cost. Architecturally, the device uses a Harvard bus with separate program and data paths, hardware multiplier, and 14-bit instruction word. Memory Access Partitioning (MAP) allows bootloader-style write protection of select Flash regions, and the Device Information Area (DIA) stores factory calibration data such as internal voltage reference and fixed voltage reference trim values. The XLP core includes sleep currents in the order of tens of nanoamperes with retention, and multiple idle/doze modes let the CPU throttle while peripherals continue operating. Typical applications include low-power IoT sensor nodes, battery-powered human-machine interface (HMI) panels, LED lighting controllers, white goods and small appliance control boards, and industrial sensor hubs. The combination of ADC2, DAC, comparators and PWM is well matched to closed-loop analog control, while the EUSART and SPI/I2C channels support bridges to wireless modules and isolated communication links. When designing in this part, plan VQFN land pattern and thermal pad soldering carefully; the 4x4mm QFN has limited thermal mass and an exposed pad that must be soldered for proper electrical and thermal performance. PPS mapping decisions should be locked early in firmware development, since re-mapping affects later code revisions. This page synthesizes distributor pricing, parametric comparison versus same-family PIC16F1845x drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, helping engineers evaluate procurement risk and second-source options quickly.

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PIC16F1847-E/ML - 8-bit MCU, 14KB Flash, 32MHz, 28-QFN | Microchip
PIC16F1847-E/ML

PIC16F1847-E/ML - 8-bit MCU, 14KB Flash, 32MHz, 28-QFN | Microchip

The Microchip Technology PIC16F1847-E/ML is an 8-bit PIC16 microcontroller built on the nanoWatt XLP (eXtreme Low Power) technology platform, featuring 14KB of Flash program memory, 1KB of RAM, and 32MHz maximum CPU speed in a 28-pin QFN (6x6 mm) package. The 'E' suffix denotes the Extended operating temperature grade (-40C to +125C), and the 'ML' suffix denotes the surface-mount QFN package. The PIC16F1847 family integrates mTouch capacitive touch sensing, an Enhanced Mid-range 16-bit instruction set, and on-chip peripherals tailored for sensor, human-interface, and battery-powered applications. An 8-bit microcontroller (MCU) is a single-chip computer based on an 8-bit data path that integrates a CPU, program memory (Flash), data memory (RAM), EEPROM, and a configurable set of peripherals such as timers, ADC, comparators, and communication interfaces. Within the broader semiconductor hierarchy, MCUs belong to microcontrollers -> microcomputers -> digital ICs. The PIC16F1847 is part of the PIC16 family, which sits between the smaller PIC12/PIC14 and the larger PIC18/PIC24/dsPIC families, optimized for cost-sensitive embedded control with low power consumption. Key features include 14KB linear-addressable Flash (8K x 14 words), 1KB RAM, 256 bytes EEPROM, 16-level hardware stack, 32MHz internal oscillator, 12-bit ADC with computation (ADC2), 5-bit DAC, enhanced PWM with complementary outputs, multiple communication interfaces (UART, SPI, I2C), and 15 capacitive touch channels. XLP technology delivers sleep currents down to approximately 30 nA, enabling multi-year battery life in IoT and remote-sensor designs. Architecturally, the PIC16F1847 uses a 14-bit instruction word RISC engine with 49 instructions and a single-cycle hardware multiplier. Its Core Independent Peripherals (CIPs) - such as the CLC, NCO, and PWM with auto-shutdown - let designers offload complex timing tasks from the CPU, lowering active-mode current and freeing MIPS for application logic. Typical applications include consumer-electronics touch interfaces, battery-powered IoT sensor nodes, automotive body and interior modules (within rated temperature range), industrial control panels, and small home appliances. The extended temperature grade supports harsh-environment deployments, while the QFN package's compact 6x6 mm footprint suits space-constrained designs. When designing with this part, observe the absolute-maximum VDD of 5.5V and ensure decoupling (100 nF + 1 uF minimum) is placed within 3 mm of the VDD/VDDCORE pins. The QFN exposed pad must be soldered to a sufficiently large copper pour for both thermal dissipation and electrical ground reference. This page synthesizes distributor pricing, qualified drop-in alternatives, and practical design notes not found in the manufacturer datasheet - a complete engineering reference for component selection.

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PIC16F1847-E/P - 8-Bit 32MHz 14KB Flash MCU | Microchip
PIC16F1847-E/P

PIC16F1847-E/P - 8-Bit 32MHz 14KB Flash MCU | Microchip

The Microchip PIC16F1847-E/P is an 8-bit PIC microcontroller with 14 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM, running at up to 32 MHz and housed in an 18-pin PDIP package. It operates from 1.8 V to 5.5 V and is rated for the extended -40C to +125C temperature range, making it suitable for industrial and automotive-adjacent designs. A microcontroller (MCU) is a self-contained integrated circuit that combines a processor core, program memory, data memory, and configurable peripherals on a single die. Within the product hierarchy, the PIC16F1847 sits in the 8-bit MCU family, under the broader microcontroller category, which itself is a subset of embedded processing ICs. The PIC16F1847 belongs to Microchip's PIC16F184X mid-range family, which uses the classic 14-bit instruction word PIC architecture with 49 instructions and hardware stack support. Key features include 14 KB Flash (8K x 14 words), 1 KB RAM, 256 bytes EEPROM, 16 general-purpose I/O pins, a 12-bit Analog-to-Digital Converter (ADC) with up to 12 channels, two comparators, a 5-bit Digital-to-Analog Converter (DAC), and multiple serial interfaces including EUSART, SPI, and I2C. The device also integrates mTouch capacitive sensing hardware, three 16-bit timers, and PWM modules, enabling touch-based user interfaces without external controllers. The PIC16F1847 uses Microchip's nanoWatt XLP (Extreme Low Power) technology, achieving typical sleep currents in the nanoampere range and enabling battery-powered operation. The 32 MHz internal oscillator eliminates the need for an external crystal in many designs, reducing BOM cost and board area. In-circuit debug and programming are supported through ICSP using PICkit 3, PICkit 4, or MPLAB ICD 3 tools. Typical applications include capacitive touch control panels, battery-powered sensor nodes, small motor control, LED lighting drivers, consumer appliance interfaces, and industrial instrumentation. The wide 1.8 V to 5.5 V supply range allows direct operation from 3.3 V or 5 V rails without level shifting. When designing with the PIC16F1847-E/P, decouple VDD with a 0.1 uF ceramic capacitor placed as close to the pin as possible, and tie MCLR through a 10 kOhm resistor to VDD for reliable reset behavior. The extended temperature rating makes this part appropriate for designs that must survive harsh thermal environments. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, replacement, and layout decisions.

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