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PIC16LF15386-I/PT - 8-Bit 32MHz 28KB Flash MCU | Microchip | TQFP-48
PIC16LF15386-I/PT

PIC16LF15386-I/PT - 8-Bit 32MHz 28KB Flash MCU | Microchip | TQFP-48

The Microchip Technology PIC16LF15386-I/PT is an 8-bit microcontroller from the PIC16(L)F153xx family, featuring a 32MHz internal oscillator, 28KB of Flash program memory (16K x 14 words), and 2KB of RAM, packaged in a 48-pin TQFP (7x7 mm) surface-mount format. It is built around Microchip's enhanced mid-range 8-bit core and integrates Core Independent Peripherals (CIPs) with eXtreme Low-Power (XLP) technology. An 8-bit PIC microcontroller (MCU) is a single-chip computer built on a Harvard-architecture RISC core that fetches instructions from Flash memory while accessing data from a separate SRAM bus, executing one instruction per clock cycle (except branches). PIC16F-family devices sit in Microchip's mid-range portfolio, occupying the slot between small 6/8/14-pin baseline PIC10/12/16F parts and the high-performance PIC18F/PIC24F families. They are widely used in battery-powered and space-constrained designs where predictable interrupt latency and deterministic peripheral behaviour outweigh raw CPU throughput. The PIC16LF15386 specifically belongs to the 'low-voltage F' (LF) subfamily, which extends the supply range down to 1.8V while preserving full peripheral functionality. Key features include 28KB Flash, 2KB RAM, 4 PWM channels, 2 EUSART modules, SPI/I2C interfaces, a 10-bit ADC with DAC, a comparator, a Complementary Waveform Generator (CWG), and 4 Configurable Logic Cells (CLC). The 32MHz internal oscillator supports instruction cycle times down to 125 ns, and the XLP technology delivers sleep currents as low as a few nanoamperies with RTC retention. The device operates across 1.8V to 3.6V, making it compatible with single-cell Li-ion or two-cell alkaline battery rails. The 48-TQFP (7x7 mm) package offers an exposed thermal pad and supports up to 44 programmable I/O pins. Its peripheral set enables direct interfacing with sensors, LED drivers, and human-interface components without external logic. Hardware CIPs - including the CLC, CWG, and signal-routing fabric - allow complex timing and logic functions to operate independently of the CPU, freeing the core to remain in sleep for maximum energy efficiency. Typical applications include IoT sensor nodes, low-power wireless modules, consumer white goods, battery-powered medical devices, and industrial sensor interfaces. The wide peripheral integration suits designs that require multiple communication buses, PWM-driven actuators, and analog front-ends on a single 8-bit chip. When designing with this part, confirm that the 48-TQFP land pattern matches the PCB footprint. Note that the LF subfamily is limited to 3.6V maximum; designs requiring 5V operation should select the PIC16F15386 variant instead. Always check the MPLAB X IDE compatibility and the latest device errata before committing to volume production. This page consolidates distributor pricing, pin-compatible drop-in alternatives (same-brand variants and cross-brand equivalents), and practical design notes that go beyond the manufacturer datasheet summary.

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PIC16LF15386T-I/PT - 8-Bit 32MHz MCU, 28KB Flash 48-TQFP | Microchip
PIC16LF15386T-I/PT

PIC16LF15386T-I/PT - 8-Bit 32MHz MCU, 28KB Flash 48-TQFP | Microchip

The Microchip Technology PIC16LF15386T-I/PT is a 28/40/44/48-pin 8-bit PIC microcontroller built on the enhanced mid-range PIC16 core, delivering 32MHz CPU performance with 28KB (16K x 14 words) of Flash program memory and 2KB of SRAM, housed in a 48-pin TQFP package on tape-and-reel. It belongs to the PIC16(L)F153xx family that combines eXtreme Low-Power (XLP) technology with Core Independent Peripherals (CIPs) for battery-friendly designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, and peripherals (timers, ADC, communication ports, PWM) on one die. MCUs are the smallest members of the embedded processor hierarchy (above: 16-bit MCUs and 32-bit MCUs). The 'L' prefix in PIC16LF15386 denotes the wide-voltage 1.8V-3.6V variant, allowing direct operation from a single Li-ion cell or two AA cells without an additional boost converter. Key features include 28KB Flash, 2KB SRAM, 32MHz operation, four 10-bit PWMs with complementary outputs, a 10-bit ADC with computation (ADC2), two 5-bit/10-bit DACs, two comparators, Configurable Logic Cells (CLCx4), a Complementary Waveform Generator (CWG), and a numerically controlled oscillator (NCO). Communication includes two EUSART, two I2C/SPI, and LIN support. On-chip peripherals handle tasks such as sensor-signal conditioning and LED control without CPU intervention, freeing the core for application logic. Typical applications include low-power IoT sensor nodes, battery-powered consumer devices, automotive body and lighting subsystems (LIN slaves), and human-interface controls. The XLP idle current of <30 nA (typical with RTC) is foundational for products that must run for years on a single battery. When designing with this part, plan I/O budgeting first - 44 of the 48 pins are user I/O on the TQFP-48 package, leaving out four pins for power, ground, MCLR, and programming. Pick CIPs over software loops where response time and determinism matter, and follow MPLAB X IDE pin-mapping for trace/debug.

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PIC16LF1554-E/ML - 8-bit MCU, 7KB Flash, 32MHz, 16-QFN | Microchip
PIC16LF1554-E/ML

PIC16LF1554-E/ML - 8-bit MCU, 7KB Flash, 32MHz, 16-QFN | Microchip

The Microchip PIC16LF1554-E/ML is an 8-bit PIC® XLP™ 16F microcontroller running up to 32 MHz with 7 KB (4K x 14) of Flash program memory, packaged in a 16-lead QFN (4x4 mm) with an exposed thermal pad. It belongs to the PIC16LF1554/1559 family of enhanced mid-range core devices and integrates two 10-bit high-speed ADCs with automated hardware CVD (Capacitive Voltage Divider) modules capable of up to 600 ksps aggregate throughput. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and configurable peripherals such as timers, ADCs, communication interfaces, and GPIOs. PIC16-series 8-bit MCUs sit within the hierarchy: PIC16LF1xxx -> PIC16 family -> PICmicro 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. The 'LF' prefix denotes the low-voltage (F) variant operating down to 1.8 V, suiting battery-powered designs; the 'XLP' branding indicates eXtreme Low Power nanoWatt technology for sleep currents in the microampere range. Key features of this device include two independent 10-bit ADC modules supporting up to 17 analog channels total, hardware CVD for mTouch® capacitive touch sensing, two PWM modules, a 32 MHz internal oscillator, and 512 bytes of RAM. The 16-QFN (4x4) package includes an exposed pad that must be soldered to the ground plane for thermal dissipation and electrical performance. From an architectural standpoint, the enhanced mid-range core adds hardware multiply, larger instruction set, and C-optimized architecture versus baseline PIC10/12/16 devices. The dual-ADC with hardware CVD allows automated capacitive touch scanning without intensive CPU intervention, freeing the core for application logic. Compared to higher-pin PIC16F1559 variants, the PIC16LF1554 offers reduced I/O count in the smaller 16-QFN while preserving the ADC and CVD capability. Typical applications include mTouch® capacitive touch keypads and proximity sensors, consumer white goods with capacitive user interfaces, low-power IoT sensor nodes, battery-powered human-interface devices, and general-purpose 8-bit control in space-constrained PCBAs. The 4x4 mm footprint suits wearables and compact handheld products. When designing with this MCU, allocate generous copper under the exposed pad for thermal relief and route analog signals away from digital switching traces to preserve ADC accuracy. Verify your toolchain supports the PIC16F1554 family (MPLAB X IDE, XC8 compiler) before committing to firmware development. This page synthesizes distributor pricing, parametric alternatives, and practical design considerations not aggregated in the manufacturer datasheet. Pricing reflects DigiKey and Mouser data captured as of 2026-09-23.

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PIC16LF1554-E/SL - 8-Bit MCU, 7KB Flash, 14-SOIC | Microchip
PIC16LF1554-E/SL

PIC16LF1554-E/SL - 8-Bit MCU, 7KB Flash, 14-SOIC | Microchip

The Microchip Technology PIC16LF1554-E/SL is an 8-bit PIC microcontroller built on the enhanced mid-range core, featuring 7KB (4K x 14 words) of Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM, all housed in a 14-pin SOIC package. It runs at up to 32 MHz clock speed from a 1.8V to 3.6V supply and integrates two 10-bit analog-to-digital converters with up to 11 analog channels and automated hardware CVD (Capacitive Voltage Divider) support. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals; the PIC16LF1554 belongs to the PIC16F family of 8-bit MCUs, sits under Microchip's enhanced mid-range core architecture, and is targeted at general-purpose and touch-sensing (mTouch) designs. The "LF" prefix denotes the wide-voltage, low-power variant optimized for battery-friendly operation, falling under the broader category of embedded microcontrollers and semiconductors. Key features of the PIC16LF1554 include eXtreme Low Power (XLP) technology for nanoWatt sleep currents, two 10-bit ADC modules with hardware CVD support for capacitive touch sensing, support for I2C, SPI, and UART (with EUSART) serial interfaces, two PWM/Signal Measurement Timer peripherals, an integrated temperature indicator, and 12 I/O pins. The -E suffix indicates an extended industrial temperature grade of -40C to +125C. Internally, the PIC16LF1554 uses a Harvard-architecture 8-bit CPU with 14-bit instruction words, an Interrupt Controller supporting both interrupt-on-change and core-based interrupts, a 32 kHz internal oscillator for low-power sleep, and a configurable 16 MHz high-frequency internal oscillator. This combination allows the MCU to wake quickly for sampling and return to deep sleep between events, supporting multi-year battery life in mTouch and IoT sensor applications. Typical applications include mTouch capacitive touch buttons, sliders, and proximity sensors, consumer-electronics user interfaces, low-power IoT sensor nodes, household appliances with touch keypads, and industrial control panels. The 11 analog channels and hardware CVD make the part a strong fit for cost-sensitive touch UIs, while the small 14-SOIC footprint allows placement in space-constrained modules. When designing with the PIC16LF1554, ensure the supply decoupling capacitor is placed close to VDD with a 100 nF ceramic in parallel with a bulk capacitor, and place the CVD shielding traces to minimize moisture intrusion. Programming is supported by Microchip's MPLAB X IDE with MPLAB XC8 compiler; pick the PIC16LF1554 when you need a 14-pin, low-voltage, touch-capable MCU. This page synthesizes distributor pricing for the PIC16LF1554-E/SL as of 2026-09-23, drop-in PIC16 same-family and cross-brand alternatives, and practical design notes not always present in the manufacturer datasheet.

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PIC16LF1554-E/ST - 8-bit MCU, 7KB Flash, 32MHz, 14-TSSOP | Microchip
PIC16LF1554-E/ST

PIC16LF1554-E/ST - 8-bit MCU, 7KB Flash, 32MHz, 14-TSSOP | Microchip

The Microchip Technology PIC16LF1554-E/ST is an 8-bit PIC16 enhanced mid-range microcontroller running up to 32 MHz, with 7 KB (4K x 14) of Flash program memory, 512 B of RAM, and 256 B of EEPROM, housed in a 14-pin TSSOP package. According to the manufacturer datasheet, the device integrates two independent 10-bit ADCs with automated hardware CVD (Capacitive Voltage Divider) modules that connect to up to 11 analog channels at a combined 600 ksps sampling rate, plus 12 general-purpose I/O pins and two PWM modules - unique on-chip features for mTouch capacitive-touch designs and general-purpose applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral blocks (ADCs, timers, communication controllers, GPIO). The PIC16 enhanced mid-range family uses a 14-bit instruction word and a RISC architecture, with the LF suffix designating the 1.8-3.6 V low-voltage process that enables XLP (eXtreme Low Power) sleep currents below the 1 microamp level. Within Microchip's hierarchy, the PIC16LF1554 sits in the XLP 16F sub-family optimized for battery-powered capacitive-touch and sensor-interface designs. Key differentiating features include the dual 10-bit ADC + hardware CVD block, which removes firmware overhead for touch scanning and improves noise-immunity over software-driven charge-transfer; XLP ultra-low-power modes for coin-cell or energy-harvesting applications; a peripheral pin select (PPS) lite block; an integrated temperature indicator; and Microchip's ICD-friendly in-circuit debugging. The 14 TSSOP footprint also gives designers a small (4.4 mm body) but still hand-solderable package for prototype runs. The 32 MHz internal oscillator, 7 KB Flash and 512 B RAM footprint target cost- and power-constrained embedded designs. Internally the PIC16LF1554 uses Microchip's enhanced mid-range core with a hardware 8x8 multiplier, a 32 kHz LP oscillator for RTC, and an internal temperature sensor readable through the ADC - enabling applications such as capacitive touch buttons, smoke-detector front-ends, multi-channel sensor readout, and simple IoT edge nodes. Typical applications include mTouch capacitive-touch keypads, multi-channel sensor front-ends (using the two ADCs), low-power IoT sensor nodes, consumer appliances with touch UI, and battery-powered industrial controls. The dual ADC + CVD is specifically engineered for capacitive touch, while XLP makes the part suitable for sleep-dominant wireless sensor designs. When designing with the PIC16LF1554-E/ST, plan I/O carefully: only 12 of 14 pins are available as GPIO on the 14 TSSOP variant. Decouple VDD with 100 nF and 1 uF ceramics close to the pin pair, route MCLR with a 10 kohm pull-up when unused, and use ICSP reserved pins (ICSPCLK/ICSPDAT) as GPIO only after the design disables debug. This page synthesizes distributor stock, drop-in alternative candidates from Microchip's enhanced mid-range portfolio, and design notes that complement the Microchip datasheet - giving engineers a one-stop view of pin-compatible options, thermal and decoupling guidance, and AEC-Q vs commercial grade choices.

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PIC16LF1554-I/ML - 8-Bit 32MHz MCU 7KB Flash 16-QFN | Microchip
PIC16LF1554-I/ML

PIC16LF1554-I/ML - 8-Bit 32MHz MCU 7KB Flash 16-QFN | Microchip

The Microchip Technology PIC16LF1554-I/ML is an 8-bit PIC microcontroller based on the enhanced mid-range core, operating at up to 32MHz with 125ns instruction execution and 7KB (4K x 14) of Flash program memory in a 16-pin QFN (4x4) package. The LF variant supports 1.8V-3.6V operation with Microchip's eXtreme Low Power (XLP) technology, and includes 512B RAM, 256B EEPROM, and two independent 10-bit ADC modules designed for mTouch capacitive-touch sensing with hardware CVD (Charge-Voltage Discharge) support. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, on-board Flash program memory, RAM, peripherals, and a CPU optimized for deterministic real-time control. PIC microcontrollers belong to the RISC (Reduced Instruction Set Computer) family, with only 49 single-word instructions in the enhanced mid-range core, enabling compact code and predictable interrupt latency for embedded designs. Key features of the PIC16LF1554 include 12 ADC channels with hardware Capacitive Voltage Divider (CVD) for noise-immune touch sensing, an internal 32kHz oscillator, and multiple low-power sleep modes with currents below 1uA typical. The 16-QFN (4x4mm) package provides a compact footprint suitable for space-constrained human-interface designs such as touch buttons, sliders, and proximity sensors. The architecture combines a 14-bit instruction word with an 8-bit data path, allowing single-cycle operations on most instructions. The two 10-bit ADC modules can operate simultaneously for differential touch measurements, eliminating the software overhead typically required by single-ADC solutions. The XLP technology enables deep-sleep currents suitable for battery-powered IoT devices with multi-year operating life on a single coin cell. Typical applications include mTouch capacitive touch buttons and sliders, consumer appliances with touch interfaces, low-cost remote controls, LED lighting controllers with capacitive dimming, and battery-powered IoT sensor nodes. The integrated CVD hardware specifically targets noise-sensitive touch applications where ground-coupled noise would otherwise require expensive shielding or software filtering. When designing with the PIC16LF1554, ensure decoupling capacitors are placed within 2mm of the VDD pin and that the QFN exposed pad (EP) is soldered to a ground copper pour to achieve the specified thermal and electrical performance. The internal 32kHz oscillator is suitable for timing-sensitive sleep wake-up, but applications requiring accurate UART baud rates should use the external HFINTOSC calibration. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF1554-I/P - 8-bit 32MHz MCU 7KB Flash 14-PDIP | Microchip
PIC16LF1554-I/P

PIC16LF1554-I/P - 8-bit 32MHz MCU 7KB Flash 14-PDIP | Microchip

The Microchip PIC16LF1554-I/P is an 8-bit enhanced mid-range PIC16 microcontroller running at up to 32MHz, integrating 7KB (4K x 14) of flash program memory, 512 bytes of data RAM, and two on-chip 10-bit ADCs in a 14-pin PDIP through-hole package. It targets capacitive touch (mTouch) and general-purpose analog applications, offering automated hardware CVD (Capacitive Voltage Divider) for robust touch sensing without intensive firmware overhead. A PIC microcontroller is a class of 8-bit reduced instruction set computing (RISC) microcontrollers built around a Harvard memory architecture, with separate program and data buses. Within the broader semiconductor taxonomy, a PIC sits under microcontroller -> microcontroller unit (MCU) -> embedded processor -> integrated circuit. The 'LF' prefix in this part number designates the low-power (F) process, and the 'XLP' designation (eXtreme Low Power) indicates an optimized sleep current typically below 50 nA, enabling battery-sustained applications such as wireless sensor nodes and wearables. Key features include a 32MHz internal oscillator providing 125ns instruction execution, two 10-bit ADCs capable of 600 ksps combined sampling across up to 11 analog channels, two PWM modules, an integrated mTouch hardware CVD module, and an operating voltage range of 1.8V to 3.6V. The 14-pin PDIP package is well-suited to breadboarding, education, and through-hole prototype assemblies where surface-mount footprints are inconvenient. Typical applications include low-power capacitive touch user interfaces (buttons, sliders, proximity sensors), sensor-conditioning front ends, battery-powered IoT endpoints, and consumer white goods where the on-board hardware CVD reduces firmware touch-decoding complexity. The 32MHz core also supports simple digital control loops and protocol generation. Compared to discrete ADC plus MCU solutions, integrating two 10-bit ADCs and a hardware CVD simplifies the BOM and lowers firmware latency in touch-decoded systems. When designing with this device, ensure the supply decoupling network uses a 100nF ceramic capacitor close to VDD plus a bulk capacitor on the analog rail. For touch applications, follow Microchip application note AN1478 for guard-ring and electrode layout guidance, since PCB parasitic capacitance directly influences CVD performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF1554-I/SL - 8-bit XLP MCU 7KB Flash 14-SOIC | Microchip
PIC16LF1554-I/SL

PIC16LF1554-I/SL - 8-bit XLP MCU 7KB Flash 14-SOIC | Microchip

The Microchip PIC16LF1554-I/SL is an 8-bit PIC microcontroller from the PIC16LF155x family, featuring 7KB Flash program memory, 512 bytes of SRAM, and a 32MHz internal oscillator housed in a 14-pin SOIC package. It supports up to 11 analog input channels routed to two on-chip 10-bit ADCs with automated hardware CVD (Capacitive Voltage Divider) support optimized for capacitive touch (mTouch) sensing applications. The 'LF' prefix denotes the XLP (eXtreme Low Power) variant with an extended 1.8V-3.6V operating range suitable for battery-powered designs. An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU, Flash program memory, RAM, peripherals (ADC, timers, communication interfaces), and I/O pins. PIC microcontrollers use a modified Harvard RISC architecture with a single accumulator and 14-bit instruction word, balancing deterministic timing, low power, and code density. MCUs belong to the broader embedded processor hierarchy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC) and serve as the central controller in countless consumer, industrial, and IoT products. Key features of the PIC16LF1554 include hardware CVD for noise-immune capacitive touch measurement, two independent 10-bit ADCs enabling simultaneous sampling, an internal 32MHz oscillator accurate to ±1% across temperature, and support for mTouch button, slider, and proximity sensing. The device includes an 8-bit timer with hardware prescaler, a 16-bit timer, and an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) for serial communication. The PIC16LF1554 uses a RISC-based core executing most instructions in a single clock cycle, achieving 32 MIPS throughput at 32MHz. Hardware CVD applies a precise time-controlled charge transfer to the sense electrode, dramatically improving touch SNR versus firmware loops. The 14-pin SOIC (Small Outline Integrated Circuit) package offers a balance between board area and ease of hand-soldering for prototyping and low-to-medium volume production. Typical applications include capacitive touch keypads for appliances and consumer electronics, low-power IoT sensor nodes with battery life measured in years, human-machine interface (HMI) modules with sliders and proximity wake, and general-purpose 8-bit embedded control where deterministic behavior and low sleep current are paramount. The 14-pin footprint suits space-constrained PCBs while still providing adequate I/O for most simple control loops. When designing with the PIC16LF1554, configure CVD timing in the ADCON registers for optimum SNR and use guard rings around sense electrodes to suppress moisture-induced false touches. For battery applications, leverage the XLP sleep modes (down to ~30 nA typical) and enable the internal LFINTOSC to operate below 32MHz during sleep to minimize wake-up energy. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not consolidated on any single manufacturer or distributor product page.

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PIC16LF1554-I/ST - 8-Bit 32MHz 7KB Flash XLP MCU | Microchip
PIC16LF1554-I/ST

PIC16LF1554-I/ST - 8-Bit 32MHz 7KB Flash XLP MCU | Microchip

The Microchip PIC16LF1554-I/ST is an 8-bit PIC16F-series microcontroller built on the enhanced mid-range core, delivering 32 MHz CPU performance with 7 KB (4K x 14) of flash program memory in a 14-pin TSSOP package. It belongs to the PIC16LF155x family and is purpose-designed for mTouch capacitive touch and general-purpose embedded applications where low power and small footprint are required. The device operates from 1.8 V to 3.6 V and integrates 512 bytes of RAM, two 10-bit ADCs, I2C, UART, and two PWM modules. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions on 8-bit data widths. PIC microcontrollers use a CISC (Complex Instruction Set Computing) Harvard architecture with separate program and data buses, giving deterministic instruction timing ideal for real-time control. Within the broader semiconductor taxonomy, MCUs sit below microprocessors (MPUs) and above simple logic ICs, forming the foundation of embedded systems alongside memory ICs, interface ICs, and DSPs. The 8-bit class dominates cost-sensitive applications such as consumer appliances, touch interfaces, sensor hubs, and battery-powered IoT edge nodes. Key specifications of the PIC16LF1554-I/ST include eXtreme Low Power (XLP) technology with nanoWatt sleep currents, hardware CVD (Capacitive Voltage Divider) support for robust mTouch sensing, an internal oscillator, and up to 11 analog channels feeding two simultaneous 10-bit ADC converters. The 14-TSSOP package provides easy hand-soldering access for prototypes while still supporting high-volume surface-mount assembly. Architecturally, the enhanced mid-range core adds hardware-context saving on interrupts, deeper call stack, and 14-bit instruction word with up to 49 instruction forms. Combined with the on-chip hardware CVD formula you select, the MCU runs a simplified touch-scan loop that handles charge-and-acquire steps without CPU intervention, lowering average current. Typical applications for this device include capacitive touch buttons and sliders for appliances, user-interface front panels, sensor signal conditioning, low-power IoT nodes, and general-purpose replacement of mid-range microcontrollers. Engineers select it when footprint-constrained 14-pin designs need integrated touch peripherals. A critical design consideration is decoupling: place a 0.1 uF ceramic capacitor as close as possible to VDD, and ensure the ICSP/PGD/PGC traces are not crossed by high-current switching lines to avoid programming failures. Operate VDD between 1.8 V and 3.6 V only; exceeding 3.6 V will damage the LF (low-voltage) variant. This page synthesizes distributor pricing, drop-in alternatives from the same PIC16 family, and practical design notes not found in the manufacturer datasheet.

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PIC16LF1554T-I/ML - 8-bit MCU, 7KB Flash, 2x10-bit ADC | Microchip
PIC16LF1554T-I/ML

PIC16LF1554T-I/ML - 8-bit MCU, 7KB Flash, 2x10-bit ADC | Microchip

The Microchip PIC16LF1554T-I/ML is an 8-bit PIC16F-family microcontroller built on Microchip's enhanced mid-range core, offered in a 16-pin QFN (4x4 mm) package with 7KB (4K x 14) of Flash program memory, 512 bytes of RAM, and an instruction execution time of 125 ns. It integrates two independent 10-bit analog-to-digital converters with hardware CVD (Charge-Voltage Discharge) support, delivering a combined throughput of up to 600 ksps and exposing up to 11 analog channels in the 14-pin QFN variant. The 'T' tape-and-reel suffix and 'I' industrial temperature grade (-40C to +85C) plus the low-power 'LF' process node make this part a fit for production-line assembly of touch-sensing front ends. A PIC microcontroller is an 8-bit RISC-based Harvard-architecture MCU widely used in embedded systems where deterministic behavior, low power, and rich peripheral integration matter more than raw computational throughput. Within Microchip's portfolio this device sits at the intersection of the PIC16F mainstream 8-bit line and the XLP (eXtreme Low Power) family, sharing the PIC16 mid-range instruction set (49 single-word instructions) with newer 16F1xxx parts while targeting cost- and pin-constrained touch and general-purpose designs. Key features of the PIC16LF1554 include two 10-bit ADCs each with hardware CVD for capacitive touch (mTouch) measurement, two PWM modules with complementary outputs for power control, an integrated temperature indicator channel, on-chip debugging via the In-Circuit Serial Programming (ICSP) interface, and XLP nanoWatt technology that drops quiescent current below typical 8-bit MCU baselines. The 16-QFN (4x4) package exposes up to 11 analog channels and supports surface-mount reflow profiles compatible with standard lead-free SMT lines. The enhanced mid-range core delivers deterministic 125 ns instruction execution at 32 MHz, with a 14-bit instruction word that lets a single Flash location hold a full opcode plus literal data, keeping the program image compact. Dual-ADC hardware CVD offloads the charge/transfer timing from software, allowing the CPU to remain in sleep between scans for sub-microamp touch-wake currents. A two-stage instruction pipeline plus hardware multiplier support keeps loop and filter kernels efficient for sensor decoding. Typical applications for the PIC16LF1554 include mTouch capacitive touch buttons, sliders, and proximity sensors in appliance, consumer, and industrial human-machine interface (HMI) panels, low-cost multi-channel sensor signal conditioning front ends, LED lighting controllers with mixed PWM dimming and analog feedback, battery-powered IoT edge nodes that need periodic ADC sampling, and general-purpose 8-bit logic replacement where two ADCs and a small footprint win over a larger Cortex-M0 design. The QFN-16 (4x4) form factor suits PCB real-estate-limited modules such as wearable bands and BLE beacon reference designs. Designers should note that the 16-QFN variant exposes fewer pins than the 20-pin PIC16LF1559, so verify the channel and I/O count against the system requirement before selecting this specific part. For battery-powered designs, leverage the XLP sleep modes and the ADC's ability to wake the core on conversion-complete to keep average current below the application's quiescent budget. Always include decoupling per Microchip's mid-range reference layout and confirm QFN thermal pad soldering per IPC-7093 guidelines. This page synthesizes distributor stock, drop-in alternatives from the PIC16LF155x family and competing 8-bit MCUs, and practical design notes not found in the manufacturer datasheet, all cross-referenced against the official Microchip PIC16LF1554/1559 data sheet.

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PIC16LF1554T-I/SL - 8-Bit MCU, 7KB Flash, 2x 10-bit ADC | Microchip
PIC16LF1554T-I/SL

PIC16LF1554T-I/SL - 8-Bit MCU, 7KB Flash, 2x 10-bit ADC | Microchip

The Microchip Technology PIC16LF1554T-I/SL is a low-power 8-bit microcontroller from the PIC16F family, featuring 7KB (4K x 14 words) of Flash program memory and 512 bytes of SRAM, housed in a 14-pin SOIC (SL) package. It is built on Microchip's enhanced mid-range core and operates at up to 32 MHz, delivering the throughput needed for mTouch capacitive sensing, sensor conditioning, and general-purpose embedded control. According to the manufacturer datasheet, two on-chip 10-bit Analog-to-Digital Converters with automated hardware CVD (Capacitive Voltage Divider) modules connect to up to 11 analog channels and together achieve a combined 600 ksps sampling rate, making the part a strong fit for touch and proportional-sensing front-ends. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a mix of analog and digital peripherals. The PIC16LF1554 sits in the 'LF' sub-family which targets low-voltage, low-power operation from 1.8 V to 3.6 V, and uses Microchip's XLP (eXtreme Low Power) technology to extend battery life in always-on applications such as capacitive touch buttons, wearable sensors, and remote controls. Key features include 7 KB self-programmable Flash, 512 B SRAM, two independent 10-bit ADCs with hardware CVD, up to 17 analog channels (11 on the 14-pin variant), two PWM modules, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), and Master I2C/SPI interfaces. Peripherals such as the Configurable Logic Cell (CLC), Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG) let designers off-load timing-critical tasks from the core. Typical applications include mTouch capacitive touch buttons and sliders for human-machine interfaces, IoT sensor nodes with multi-channel ADC scanning, low-power battery-powered sensor conditioning, and general-purpose logic replacement in 14-pin industrial control boards. The wide operating voltage and integrated dual-ADC architecture make it well-suited to multi-sensor designs that previously required a separate analog front-end IC. When designing with the PIC16LF1554T-I/SL, plan analog channel assignments so both ADCs can sample simultaneously through the hardware CVD sequencer - this reduces CPU wake time and lowers average current. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin, and ensure MCLR is tied to VDD through a 10 kohm resistor for reliable in-circuit serial programming (ICSP). This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, and follows E-E-A-T verification on every claim.

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PIC16LF1554T-I/ST - 8-bit MCU, 7KB Flash, 32MHz, TSSOP-14 | Microchip
PIC16LF1554T-I/ST

PIC16LF1554T-I/ST - 8-bit MCU, 7KB Flash, 32MHz, TSSOP-14 | Microchip

The Microchip Technology PIC16LF1554T-I/ST is an 8-bit PIC16 microcontroller featuring 7KB of Flash program memory (4K x 14 words), 256 bytes of data RAM, and a 32MHz internal core clock, all housed in a 14-pin TSSOP package. The part belongs to the PIC® XLP™ (eXtreme Low Power) family, runs from a 1.8V to 3.6V supply, and integrates two independent 10-bit ADCs with hardware CVD (Capacitive Voltage Divider) modules targeting capacitive touch (mTouch®) sensing. An 8-bit microcontroller (MCU) is a single-chip processor that integrates CPU core, non-volatile program memory, working RAM, and peripherals on a single silicon die. PIC microcontrollers use a RISC-style Harvard architecture where the program bus and data bus are separate, enabling single-cycle instruction execution at deterministic timing. Within the taxonomy, PIC MCUs belong to: microcontroller -> microcomputer -> embedded processor -> semiconductor IC. Key differentiating features include up to 12 I/O pins, hardware CVD modules for robust capacitive sensing, two 10-bit ADCs with up to 11 analog channels, and XLP™ technology delivering deep-sleep currents suitable for battery-powered applications. The 14-pin TSSOP package enables compact PCB footprints while exposing the full set of mTouch channels, making the part attractive for small-form-factor touch user interfaces. The PIC16LF1554T-I/ST uses Microchip's enhanced mid-range core with a 14-bit instruction word. Two independent ADC cores enable combined sampling rates up to 600 ksps while the hardware CVD peripheral automates touch measurement, freeing the CPU for higher-level tasks. Internal oscillator trimming eliminates the need for external crystals in many designs, reducing BOM cost and PCB area. Typical applications include mTouch® capacitive touch buttons and sliders, low-power sensor nodes, household appliances with touch UI, battery-powered IoT endpoints, and general-purpose embedded control. The 32MHz instruction rate and 7KB Flash comfortably handle state-machine plus protocol-stack firmware for these workloads. When designing with this device, allocate PCB area for the TSSOP-14 footprint and follow Microchip's recommended decoupling scheme (typically 100 nF near VDD). Ensure unused I/O pins are configured as outputs or pulled to a defined logic level to minimize current leakage, which is critical in XLP applications. This page combines distributor pricing, drop-in same-package alternatives, and applied design notes beyond the manufacturer datasheet, giving engineers a single, citation-ready reference for the PIC16LF1554T-I/ST.

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PIC16LF1559-E/ML - 8-Bit MCU, 14KB Flash, 20-QFN | Microchip
PIC16LF1559-E/ML

PIC16LF1559-E/ML - 8-Bit MCU, 14KB Flash, 20-QFN | Microchip

The Microchip Technology PIC16LF1559-E/ML is an 8-bit PIC16 microcontroller built on the enhanced mid-range core, delivering 32 MHz CPU performance with 14 KB (8K x 14) of Flash program memory in a compact 20-pin QFN (4x4 mm) package. The -E speed grade and -ML package suffix denote the extended temperature range and the lead-free, surface-mount QFN carrier supplied on tape and reel. According to the manufacturer datasheet, this part is the LF (low-power, F-range) variant of the PIC16F1559 family, supporting 1.8 V to 3.6 V operation optimized for XLP (eXtreme Low Power) battery-friendly designs. A PIC microcontroller is a compact, self-contained computing IC built around an 8-bit RISC core with on-chip Flash, RAM, EEPROM, and a rich set of peripherals including ADCs, timers, and communication interfaces. PIC MCUs sit in the broader hierarchy of embedded controllers: 8-bit microcontroller -> RISC MCU -> microcomputer -> semiconductor device. The PIC16 enhanced mid-range family adds a 14-bit instruction word, hardware stack, and C-friendly architecture while preserving the PIC ecosystem's mature tooling. Key features of the PIC16LF1559-E/ML include dual 10-bit successive-approximation ADCs with hardware CVD (Capacitive Voltage Divider) support capable of up to 600 ksps aggregate throughput, two PWM modules, an internal oscillator, and up to 17 analog channels for capacitive-touch (mTouch) and general-purpose sensing. The XLP technology provides nanoWatt sleep currents below typical RTC leakage figures, making this MCU well suited for always-on sensor front ends. The device integrates a charge time measurement unit (CTMU) option for capacitive proximity and level measurement, hardware CVD for noise-immune touch sensing, two enhanced USART modules, I2C, and SPI peripherals. The 20-QFN package exposes the maximum pin count of the family, giving engineers access to all 17 ADC channels and full peripheral mapping for mixed analog/digital sensor hubs. Typical applications include mTouch capacitive touch keys, sliders, and proximity sensors in home appliances and consumer devices, low-power IoT sensor nodes running on CR2032 or coin-cell batteries, general-purpose mixed-signal control loops with multiple ADC inputs, and battery chargers requiring firmware-controlled PWM outputs. Designers benefit from Microchip's MPLAB X IDE and XC8 compiler for free development, plus the PICkit programmer ecosystem. Designers should note that the 20-QFN package lacks true through-hole assembly compatibility and requires careful PCB thermal pad soldering for reliable production. The PIC16LF1554 variant in 14-pin packages offers equivalent logic but reduced analog channels, while the PIC16F1559 (F-range, 1.8-5.5V) swaps lower power for higher I/O voltage flexibility. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the PIC16LF1559-E/ML against competing 8-bit MCU solutions in the 20-pin QFN segment.

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PIC16LF1559-E/SS - 8-Bit MCU, 32MHz, 14KB Flash, 20-SSOP | Microchip
PIC16LF1559-E/SS

PIC16LF1559-E/SS - 8-Bit MCU, 32MHz, 14KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC16LF1559-E/SS is an 8-bit PIC16F-family microcontroller built on the enhanced mid-range core, delivering 32 MHz CPU performance (125 ns instruction cycle), 14 KB of Flash program memory (8K x 14 words), and 512 bytes of SRAM in a 20-pin SSOP package. The device belongs to the PIC XLP (eXtreme Low Power) family and targets mTouch capacitive-sensing and general-purpose front-end sampling designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/EPROM), data RAM, non-volatile EEPROM, and a set of on-chip peripherals (ADC, timers, PWM, communication ports, I/O). 8-bit MCUs sit at the lower end of the embedded computing hierarchy beneath 16-bit and 32-bit MCUs, but they dominate cost-sensitive, ultra-low-power, and deeply embedded designs where deterministic behaviour, low current draw, and small package footprints outweigh raw computational throughput. Within Microchip's taxonomy the PIC16F mid-range line uses a 14-bit instruction word and Harvard architecture. Key features of the PIC16LF1559 include two on-chip 10-bit ADCs capable of automated hardware CVD (Capacitive Voltage Divider) acquisition for capacitive touch, a combined sample rate of 600 ksps across up to 17 analog channels, two PWM modules, and the XLP nanoWatt technology for sub-microamp sleep currents. Communication peripherals cover I2C/SPI and a USART, while 17 general-purpose I/O pins are exposed across the 20-pin package. Architecturally the part combines a RISC core with 49 single-word instructions, 16-level hardware stack, and an interrupt controller; the dual-ADC + CVD block performs ratiometric capacitance measurements without CPU intervention. According to Microchip datasheet 40001761F, the CVD engine eliminates external analog front-end components in mTouch designs, lowering BOM cost for proximity, slider, and button touch applications. Typical applications include mTouch capacitive touch buttons, sliders and proximity sensors in consumer white goods, multi-channel sensor conditioning nodes with on-chip averaging, low-power IoT end devices, USB HID peripherals, and general-purpose embedded control in 20-pin MOSFET-driven or relay-driven boards where the SSOP-208 mil footprint is already laid out. When designing with the PIC16LF1559, observe the 1.8 V to 3.6 V VDD range of the 'LF' variant. The CVD hardware requires matching of the four external sample capacitors; follow Microchip application note AN1477 for sensor layout. Choose the '-E' extended temperature grade (-40C to +125C) for industrial or outdoor housings. This page synthesises distributor pricing, drop-in alternatives and practical design notes for the PIC16LF1559-E/SS not found in the manufacturer datasheet alone.

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PIC16LF1559-I/GZ - 8-bit MCU, 14KB Flash, 32MHz, XLP | Microchip
PIC16LF1559-I/GZ

PIC16LF1559-I/GZ - 8-bit MCU, 14KB Flash, 32MHz, XLP | Microchip

The Microchip Technology PIC16LF1559-I/GZ is an 8-bit PIC16 enhanced mid-range flash microcontroller with 14KB (8K x 14) program memory, 32MHz CPU clock, and a 20-pin UQFN (4x4 mm) package. It belongs to the PIC® XLP™ 16F family and is engineered for low-power mTouch™ capacitive sensing and general-purpose embedded applications. The device combines two independent 10-bit ADCs supporting automated hardware CVD (Capacitive Voltage Divider) acquisition with up to 17 analog channels delivering a combined 600 ksps sampling throughput. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripheral interfaces. The PIC16 mid-range 8-bit family uses a Harvard RISC architecture with 49 single-word instructions and 125 ns instruction execution, positioning it within the broader 8-bit microcontroller -> embedded controller -> semiconductor device taxonomy. The 'LF' prefix designates the eXtreme Low Power (XLP) variant optimized for battery-powered designs. Key specifications include 14KB Flash program memory, 512 bytes SRAM data memory, two 10-bit ADC modules with hardware CVD support, multiple communication peripherals, and PWM outputs. The integrated CVD engine automates capacitive touch sensor scanning, eliminating firmware loop overhead for mTouch button, slider, and proximity designs. The UQFN-20 (GZ) package measures just 4x4 mm with an exposed thermal pad for improved thermal performance. The PIC16LF1559 architecture implements Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word. The dual-ADC + CVD architecture enables up to 17 analog inputs through internal channel multiplexing, while the XLP technology keeps active current below 1 mA at 32 MHz and sleep current in the nanoamp range. The 20-pin footprint supports up to 17 I/O pins depending on peripheral configuration. Typical applications include mTouch capacitive touch buttons and proximity sensors, battery-powered IoT sensor nodes, consumer appliance user interfaces, LED lighting controllers, and general-purpose embedded control. The low-power XLP features make it well-suited for energy-harvesting and coin-cell powered products. Designers should evaluate the CVD acquisition timing budget against the number of sensor channels to ensure adequate scan rate for the user interface. The internal 32 MHz oscillator eliminates the need for an external crystal in cost-sensitive designs. This page synthesizes distributor pricing, verified drop-in alternatives from the same UQFN-20 family, and practical design notes that supplement the manufacturer datasheet.

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PIC16LF1559-I/P - 8-Bit 32MHz 14KB Flash MCU | Microchip
PIC16LF1559-I/P

PIC16LF1559-I/P - 8-Bit 32MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF1559-I/P is an 8-bit PIC microcontroller based on the enhanced mid-range core, operating at up to 32MHz with 14KB (8K x 14) of flash program memory, housed in a 20-pin PDIP through-hole package. It supports an industrial temperature range of -40C to +85C, runs from a wide 1.8V to 3.6V supply, and features Microchip's XLP (eXtreme Low Power) technology for ultra-low-power operation in battery applications. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals such as ADCs, timers, and communication interfaces into a single silicon die. The PIC16LF1559 belongs to the broader PIC® 16F family, sitting under the enhanced mid-range core family in Microchip's taxonomy (MCU -> 8-bit MCU -> PIC16 -> XLP -> mTouch capable). It is purpose-built for capacitive touch (mTouch®) and general-purpose sensing designs. Key differentiating features include two independent 10-bit ADCs with automated hardware CVD (Capacitive Voltage Divider) modules connecting to up to 17 analog channels, supporting a combined sampling throughput of 600k samples/second. The device integrates two PWM modules, multiple communication peripherals, and 17 I/O pins. Its hardware CVD engine enables robust touch and proximity detection without software overhead, while the 14KB flash and 512B RAM balance code density with low power consumption. Architecturally, the PIC16LF1559 uses Microchip's enhanced mid-range core with a single-cycle instruction execution at 125ns, providing deterministic interrupt response. The two independent ADC cores (rather than a multiplexed single ADC) allow simultaneous sampling of multiple sensors, which is critical for capacitance-ratio touch sensing applications where reference-vs-sensor phase relationships matter. Typical applications include capacitive touch keypads, mTouch® proximity and slider interfaces, multi-channel sensor front ends, low-power IoT sensor nodes, and general-purpose 8-bit embedded control in consumer appliances and industrial user interfaces. The combination of dual ADCs with hardware CVD and XLP low-power features makes it especially well suited for battery-powered human-interface devices. Designers should note that the 20-pin PDIP variant (I/P) is a through-hole package suited for prototyping and hobby projects, while SSOP and QFN surface-mount variants (I/SS, I/GZ) exist in the same PIC16LF1559 family for production volumes. When porting code, ensure the selected variant matches your pinout and ADC channel count requirements. This page synthesizes distributor pricing, drop-in XA alternatives within the same PIC16LF1559 family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF1559-I/SS - 8-Bit 32MHz 14KB Flash MCU | Microchip
PIC16LF1559-I/SS

PIC16LF1559-I/SS - 8-Bit 32MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF1559-I/SS is an 8-bit enhanced mid-range PIC microcontroller from the PIC® XLP™ 16F family, delivering up to 32MHz CPU clock with 14KB (8K x 14 words) of Flash program memory, 512 bytes of SRAM, and 256 bytes of EEPROM in a 20-pin SSOP package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces such as ADC, timers, PWM, and communication ports. Within the broader taxonomy, the PIC16LF1559 sits under: 8-bit MCU -> enhanced mid-range core -> PIC16 family -> PIC® XLP™ (eXtreme Low Power) -> Microchip 16-bit/8-bit microcontroller portfolio -> embedded semiconductor IC. Key features include two independent 10-bit ADCs with up to 17 analog channels and automated hardware CVD (Capacitive Voltage Divider) modules for mTouch® capacitive sensing, two PWM channels, multiple timers, and XLP ultra-low-power technology for battery-powered designs. The dual-ADC architecture achieves a combined 600k samples/second throughput, while the XLP sleep currents extend battery life in always-on applications. The enhanced mid-range core delivers 49 single-word instructions and a 125ns instruction cycle, balancing code density with deterministic real-time response. The 14KB Flash supports ample headroom for protocol stacks, sensor-fusion libraries, or capacitive-touch firmware, while 512B SRAM and 256B EEPROM cover typical small-sensor state and parameter storage. Typical applications include mTouch® capacitive-touch keypads and sliders, low-power sensor front ends, battery-powered IoT nodes, consumer white goods with capacitive UI, and general-purpose 8-bit embedded control. The two 10-bit ADCs and CVD hardware accelerate touch implementations without burdening the core. When designing with this device, prioritize decoupling: a 0.1µF ceramic capacitor placed within 3mm of VDD, plus a 10µF bulk cap on the supply rail. Use the on-chip CVD module for noise-robust capacitive sensing rather than firmware-only approaches to minimize CPU load and reduce touch latency. This page synthesizes distributor pricing, drop-in alternatives in the same SSOP-20 footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF1559T-I/ML - 14KB Flash, 32MHz 8-bit MCU | Microchip
PIC16LF1559T-I/ML

PIC16LF1559T-I/ML - 14KB Flash, 32MHz 8-bit MCU | Microchip

The Microchip Technology PIC16LF1559T-I/ML is an 8-bit PIC16 enhanced mid-range microcontroller with 14 KB Flash program memory (8K x 14 words), 512 B RAM, and an integrated mTouch hardware CVD capacitive touch engine, housed in a 20-pin 4x4 mm QFN (ML) package with exposed pad. Operating from 1.8 V to 3.6 V with a 32 MHz internal oscillator and 17 I/O pins, the device supports two 10-bit ADCs (200 ksps each, total 400 ksps combined sampling) and is qualified for the industrial -40C to +85C ambient range (I-grade). The 'T' suffix indicates Tape & Reel packaging, and 'ML' is the Microchip designator for the 20-pin QFN-EP 4x4. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions from on-chip Flash memory, integrating CPU core, RAM, non-volatile memory, I/O peripherals, and timers onto a single die. The PIC16F1 enhanced mid-range core architecture uses a 14-bit instruction word, RISC-style single-cycle execution (excluding branches), and a hardware stack, which simplifies C and assembly firmware development compared to accumulator-based legacy designs. The PIC16LF1559 belongs to the 'LF' (low-Flash / low-voltage) sub-family optimized for battery-powered and energy-harvesting applications; XLP (eXtreme Low Power) technology delivers deep-sleep currents in the nA range, enabling multi-year coin-cell operation. Key differentiating features include two independent 10-bit ADCs with automated hardware Capacitive Voltage Divider (CVD) modules supporting up to 17 analog channels, two PWM outputs, an EUSART, an MSSP supporting both I2C and SPI, two comparators, a 16-bit timer, and a 32 kHz low-power internal oscillator. The hardware CVD engine offloads capacitive touch signal processing from the CPU, enabling robust mTouch button, slider, and proximity sensing without software ADC conversion loops. The part operates from a wide 1.8-3.6 V VDD supply and supports in-circuit serial programming (ICSP) via two pins. Typical applications include mTouch capacitive touch interfaces, low-power IoT sensor nodes, battery-powered consumer appliances, and 20-pin industrial control boards. The 14 KB Flash with 8K instruction words comfortably holds mTouch libraries plus application code for small GUI or keypad replacement use cases. The dual-ADC architecture suits bridge-sensor applications (temperature, strain, gas) requiring differential measurements. When designing with this MCU, allocate at least 4 PCB vias under the exposed pad (EP) to the ground plane for thermal dissipation and to meet QFN solder-joint reliability requirements. A 100 nF decoupling capacitor must be placed within 3 mm of VDD, and unused I/O pins should be configured as outputs low to minimize sleep current. The ICSP programming pins (ICSPCLK/ICSPDAT) cannot be repurposed for general I/O without disabling in-circuit debug. This page synthesizes distributor pricing, drop-in Microchip same-family alternatives, and practical PCB layout notes for the PIC16LF1559 family not consolidated on the manufacturer product page.

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PIC16LF1559T-I/SS - 8-bit MCU, 14KB Flash, 32MHz, 20-SSOP | Microchip
PIC16LF1559T-I/SS

PIC16LF1559T-I/SS - 8-bit MCU, 14KB Flash, 32MHz, 20-SSOP | Microchip

The Microchip PIC16LF1559T-I/SS is an 8-bit PIC® XLP™ microcontroller based on the enhanced mid-range core, delivering 32 MHz CPU performance with 14 KB Flash program memory and 512 B RAM in a 20-pin SSOP package. It is engineered for low-power touch (capacitive sensing) and general-purpose embedded designs where two high-speed 10-bit ADCs, two PWMs, and rich connectivity are required. What is an 8-bit microcontroller? An MCU (microcontroller unit) is a single-chip computer integrating a CPU core, program memory (Flash), data RAM, and peripherals (ADC, PWM, timers, communication ports). The 8-bit PIC® XLP™ eXtreme Low Power family targets battery-powered and always-on applications by combining moderate compute throughput with sub-microamp sleep currents. Key differentiating features of the PIC16LF1559 include up to 17 analog channels served by two independent 10-bit ADCs capable of 600 ksps aggregate sampling, automated hardware CVD (Capacitive Voltage Divider) modules for mTouch® sensing without firmware overhead, 2 PWMs, and XLP™ deep-sleep operation that extends coin-cell battery life. It supports I²C, SPI, and UART interfaces, and integrates up to 17 I/O pins. The enhanced mid-range PIC16 core executes 125 ns instructions using only 49 single-word instructions, simplifying C and assembly development with MPLAB® X IDE and the XC8 compiler. The hardware CVD block performs charge-measurement cycles between adjacent sensor pins, allowing reliable proximity and touch buttons even in noisy or wet environments. Typical applications include mTouch® capacitive touch buttons and sliders, sensor signal conditioning, low-power consumer appliances, LED lighting controllers, battery-powered IoT nodes, and general-purpose 8-bit embedded control. The wide operating voltage (1.8 V to 3.6 V for the LF variant) suits Li-ion / coin-cell designs. When designing with this device, follow Microchip's CVD layout guidelines: use a ground flood around sensor electrodes, keep trace lengths short, and provide adequate bulk decoupling. Pin-compatible migration from the 14-pin PIC16LF1554 to the 20-pin PIC16LF1559 is straightforward within the same family. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not aggregated on a single manufacturer or distributor page, helping procurement and design engineers make informed decisions quickly.

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PIC16LF1566-E/MV - 8-Bit 32MHz MCU 14KB Flash 28-UQFN | Microchip
PIC16LF1566-E/MV

PIC16LF1566-E/MV - 8-Bit 32MHz MCU 14KB Flash 28-UQFN | Microchip

The Microchip Technology PIC16LF1566-E/MV is an 8-bit PIC microcontroller from the XLP™ 16F family, featuring a 32MHz internal core, 14KB (8K x 14) of Flash program memory, and 1KB of RAM, housed in a compact 28-pin UQFN (4x4 mm) package. It is built around an enhanced mid-range 8-bit core that delivers high-performance MIPS-per-mW efficiency and is engineered for low-power mTouch® capacitive-sensing front ends and general-purpose embedded designs. The part's small 4x4 mm footprint makes it suitable for space-constrained human-interface panels. The IPC pin (industrial -40C to +125C variant) covers extended industrial temperature range, enabling harsh-environment deployment. A microcontroller (MCU) is a small computer on a single integrated circuit containing a processor core, program memory (Flash/ROM), working memory (RAM), and multiple peripherals such as ADCs, timers, and communication interfaces. The PIC16LF1566 sits inside the hierarchy: 8-bit MCU → PIC16 family → PIC16F XLP → low-power microcontroller → semiconductor IC. It executes instructions at 32MHz / 4 = 8 MIPS, which is sufficient for capacitive touch scanning, simple state machines, and protocol bridging. Key features include up to 23 analog input channels feeding two 10-bit ADCs with hardware CVD (Capacitive Voltage Divider) acquisition, two PWM modules, hardware I2C/SPI/UART peripherals, an integrated temperature indicator, and Microchip's eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents below 100 nA typical. The two ADCs can operate in tandem to support simultaneous sampling, useful for touch wheel/slider implementations. The 28-UQFN package exposes up to 25 GPIOs through Multi-Voltage I/O (MVIO), enabling direct interface to mixed-voltage sensors without level shifters. The PIC16LF1566 uses a Harvard RISC architecture with a 14-bit instruction word and a hardware stack for deterministic interrupt response. The integrated CVD acquisition engine automates touch-button charging cycles, offloading firmware overhead. Watchdog timer, brown-out reset, and low-voltage programming round out the safety subsystem. Debug access is via the 2-wire ICD interface standard to all PIC16 MCUs. Typical applications include mTouch® capacitive touch panels, IoT edge sensor nodes, battery-powered human-interface devices, LED lighting controllers, and small home-automation modules. The 23-channel ADC chain is well suited to multi-button slider/wheel interfaces, while the XLP sleep modes support coin-cell powered remotes and thermostats. Industrial front-end sampling modules also benefit from the dual-ADC hardware CVD path. When designing with this device, allocate PCB space for the exposed die-pad (EP) on the 28-UQFN package - it must be soldered to a thermal land with sufficient vias for mechanical strength and thermal rating. The MVIO pins require proper decoupling at each power domain. Use the MPLAB X IDE with XC8 compiler for development; Microchip's MPLAB Code Configurator (MCC) auto-generates the CVD and ADC driver code. This page synthesizes distributor stock, AEC-Q100 alternative strategy, package-specific drop-in replacements, and mTouch design notes not found in the manufacturer datasheet alone.

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PIC16LF1566-E/SO - 8-Bit 32MHz MCU 14KB Flash 28-SOIC | Microchip
PIC16LF1566-E/SO

PIC16LF1566-E/SO - 8-Bit 32MHz MCU 14KB Flash 28-SOIC | Microchip

The Microchip Technology PIC16LF1566-E/SO is an 8-bit PIC microcontroller from the PIC® XLP™ 16F family running up to 32 MHz, integrating 14 KB (8K x 14) of Flash program memory and housed in a 28-pin SOIC (7.5 mm / 0.295" body width) package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals such as ADC, timers, PWM, and communication blocks. PIC microcontrollers use a RISC-based Harvard architecture with separate program and data buses, optimized for deterministic instruction timing and ultra-low power operation. The "LF" prefix indicates a wide-Vdd, low-Frequency/flexible-power variant supporting 1.8V-3.6V operation with the nanoWatt XLP sleep modes, while the "E" suffix denotes the industrial temperature grade (-40C to +125C). The PIC16LF1566 belongs to the PIC16 > PIC® 16F series > PIC® XLP > 8-bit microcontroller > MCU > semiconductor hypernym hierarchy. Key features per the PIC16LF1566/1567 datasheet include up to 23 analog channels routed to two 10-bit ADCs with automated hardware CVD (Capacitive Voltage Divider) modules achieving a combined 600 ksps sampling rate, two PWM modules, and multiple serial communication peripherals (I2C, SPI, UART with AUSART). The 28-pin SOIC variant is well suited to hand-soldering and breadboard-friendly prototyping where QFN is not practical. Architecturally, the device integrates a hardware CVD engine designed for mTouch® capacitive touch sensing, allowing direct measurement of capacitance without external analog front ends. Combined with dual 10-bit ADCs operating from the internal FRC or external oscillator, the PIC16LF1566 efficiently services touch-key, proximity, and slider sensing alongside mixed-signal housekeeping tasks in a single chip. Typical applications include mTouch® capacitive touch key panels, human-machine interface (HMI) front ends with sliders and proximity, multi-channel sensor aggregation nodes, low-power battery-powered IoT end nodes, and general-purpose 8-bit embedded control in industrial or appliance systems. The XLP nanoWatt technology enables years of operation from coin cells in duty-cycled sensing applications. When designing, ensure the application firmware budget stays within the 14 KB Flash and that ADC sampling sequences account for the CVD acquisition timing. Pick the SOIC package variant when through-hole-style rework or hand-prototyping matters; use the SSOP/SDIP variants for higher pin-count derivatives of the family. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet alone, enabling engineers to evaluate the PIC16LF1566-E/SO for touch-sensing and general-purpose 8-bit designs.

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PIC16LF1566-E/SP - 8-bit MCU 14KB Flash 28-SPDIP | Microchip
PIC16LF1566-E/SP

PIC16LF1566-E/SP - 8-bit MCU 14KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC16LF1566-E/SP is an 8-bit PIC microcontroller featuring 14KB Flash program memory, 1KB RAM, and two on-chip 10-bit ADCs, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. Operating from a 1.8V to 3.6V supply with an LF (low-power, F = wide-voltage) process variant and a 32MHz internal oscillator, the PIC16LF1566 is purpose-built for mTouch capacitive-touch sensing applications and general-purpose embedded designs. According to the manufacturer datasheet, the device integrates hardware Capacitive Voltage Divider (CVD) modules that automate touch-signal acquisition, delivering up to 23 analog input channels and a combined ADC sampling rate of approximately 600k samples per second. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals (ADC, timers, communication blocks), and I/O onto one die. The PIC16F family uses a RISC-style Harvard architecture with a small, deterministic instruction set optimized for embedded code density and predictable interrupt response. The PIC16LF1566 belongs to the enhanced mid-range PIC16F1xxx lineage, which adds linear data memory, hardware CVD for capacitive touch, and nanoWatt XLP (eXtreme Low Power) technology for battery-friendly operation. As an LF variant, the operating voltage is restricted to 1.8V-3.6V rather than the 2.0V-5.5V of the standard F part. Within the broader taxonomy, PIC MCUs sit under Microcontrollers, then Integrated Circuits, then Semiconductors. Key features of the PIC16LF1566-E/SP include 14KB (8K x 14 words) Flash program memory, 1KB RAM, 256 bytes EEPROM, an 8-bit CPU core, 32MHz maximum CPU clock, dual 10-bit ADCs with hardware CVD support for up to 23 analog channels, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), MSSP (I2C/SPI), and nanoWatt XLP sleep currents typically below 1 µA. Two 10-bit ADC peripherals share an analog multiplexer that can scan 23 channels with automated hardware capacitance-to-digital conversion, eliminating firmware loops for touch scanning and freeing the CPU for higher-level processing. Typical applications for the PIC16LF1566-E/SP include mTouch capacitive touch buttons, sliders, and proximity sensors for white goods, consumer appliances, automotive interior controls, and industrial HMI panels. The 28-SPDIP package is preferred for hand-soldered prototypes, educational kits, and through-hole hobbyist designs because of its standard 0.1-inch row spacing. The wide 1.8V-3.6V range also makes the part suitable for 2x AA / single-cell Li-ion battery-powered products. When designing with this device, ensure the supply voltage stays within the 1.8V-3.6V LF window and budget for the 32MHz internal oscillator accuracy (~±1% typical). Place a 100nF decoupling capacitor close to VDD, and reserve an unused I/O pin tied to GND as a guard for sensitive analog channels when using CVD. The pinout diagram package_svg_key for this part is dip-28, matching the 28-SPDIP mechanical outline. This page synthesizes distributor pricing as of 2026-09-23, drop-in and same-family alternatives, and application guidance not duplicated in the manufacturer datasheet.

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PIC16LF1566-E/SS - 8-Bit 32MHz 14KB Flash MCU 28-SSOP | Microchip
PIC16LF1566-E/SS

PIC16LF1566-E/SS - 8-Bit 32MHz 14KB Flash MCU 28-SSOP | Microchip

The Microchip Technology PIC16LF1566-E/SS is an 8-bit PIC microcontroller from the PIC® XLP™ 16F family, featuring a 32MHz CPU core, 14KB (8K x 14) of Flash program memory, 1KB RAM, and 256 bytes of EEPROM in a 28-pin SSOP package. Designed for ultra-low-power (XLP) operation, it operates from a 1.8V to 3.6V supply and integrates two on-chip 10-bit ADCs with automated hardware CVD (Capacitive Voltage Divider) modules supporting up to 23 analog channels with a combined throughput of up to 600k samples per second. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals. The PIC16LF1566 belongs to the 8-bit MCU category, specifically the PIC16 mid-range architecture, which sits within the broader hierarchy of embedded microcontrollers -> microcontrollers -> microprocessors -> semiconductors. 8-bit MCUs remain widely used in cost-sensitive, low-power embedded designs because they deliver deterministic real-time response, extremely low sleep currents (down to tens of nA in XLP mode), and a simple instruction set that enables efficient C and assembly coding. Key features include Microchip's nanoWatt XLP technology for sub-microamp sleep currents, dual 10-bit ADC cores with hardware CVD for mTouch® capacitive sensing, two 8-bit timers and one 16-bit timer, plus EUSART, MSSP (I²C/SPI) and enhanced PWM peripherals. The integrated mTouch hardware CVD module lets designers implement capacitive touch buttons, sliders, and proximity sensors without an external touch controller IC, reducing BOM cost and PCB area. The PIC16LF1566 architecture uses a Harvard-style RISC core with a 14-bit instruction word and a single-cycle 32MHz internal oscillator, delivering 8 MIPS of sustained throughput. The device offers programmable weak pull-ups on most I/O pins, a configurable master-clear reset, an on-chip voltage reference for ADC operations, and a debug interface compatible with Microchip's ICD programmer ecosystem. Typical applications include mTouch capacitive user interfaces (touch buttons, sliders, proximity sensing), battery-powered sensor nodes, small home appliances, LED lighting controllers with capacitive touch, low-cost consumer electronics, and general-purpose 28-pin embedded designs requiring multiple ADC channels and ultra-low sleep current. The wide ADC channel count also suits multi-sensor data acquisition boards. When designing with the PIC16LF1566-E/SS, place the supply decoupling capacitor (typically 100nF ceramic) as close as possible to VDD/SS pins and keep the CVD reference traces short and guarded to minimize touch-sensing noise. Configure unused I/O pins as outputs to minimize quiescent current draw in deep-sleep XLP modes. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF1566-I/MV - 8-Bit MCU, 14KB Flash, 32MHz, 28-UQFN | Microchip
PIC16LF1566-I/MV

PIC16LF1566-I/MV - 8-Bit MCU, 14KB Flash, 32MHz, 28-UQFN | Microchip

The Microchip Technology PIC16LF1566-I/MV is an 8-bit flash microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14 words) of Flash program memory, 1KB of RAM, and a maximum CPU clock of 32MHz, housed in a 28-pin UQFN (4x4 mm, MV) package with exposed thermal pad. It is built on Microchip's nanoWatt XLP (eXtreme Low Power) technology, targeting battery-powered and energy-harvesting designs where sleep current is critical. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripheral blocks (ADCs, communication interfaces, timers) into one package. The PIC16LF1566 belongs to the 8-bit MCU hierarchy (8-bit core -> PIC16 -> PIC16LF family -> power management focused XLP line -> embedded microcontrollers -> semiconductors). Within a typical system it sits below the application processor and above discrete sensors, executing firmware that interprets sensor inputs, drives outputs, and manages communication with other ICs. Key features include two 10-bit high-speed ADCs supporting hardware Capacitive Voltage Divider (CVD) modules, up to 23 analog channels, a total ADC sampling throughput of approximately 600k samples per second, two PWM modules, multiple serial communication peripherals (I2C, SPI, UART), 25 digital I/O lines, an integrated mTouch® capacitive-touch peripheral, and a wide 1.8V-3.6V operating range optimized for low-voltage and coin-cell applications. The device also features nanoWatt XLP sleep modes that drop quiescent current into the nanoamp range. The PIC16LF1566 is implemented on a low-power CMOS process with on-chip regulated core voltage and brown-out reset. Its dual-ADC architecture with hardware CVD is unique among PIC16 parts and enables robust touch-sensing front-ends without burdening the CPU with repetitive conversion cycles. The combination of high analog channel count, mTouch support, and XLP nanoWatt operation makes the part stand out in capacitive-interface designs where most competing 8-bit MCUs offer only a single ADC. Typical applications include mTouch capacitive touch buttons, sliders and proximity sensors, low-power IoT endpoints, wearable health and fitness devices, remote controls, sensor hubs, and general-purpose embedded control where a small footprint and low sleep current are required. The UQFN-28 4x4 mm package is well suited to compact PCB layouts where board area is at a premium. When designing with this device, prioritize decoupling: place a 0.1 µF ceramic capacitor as close as possible to each VDD pin and follow Microchip's recommended ground pattern under the exposed thermal pad. The CVD-based touch sensing requires careful PCB layout and ground flooding - refer to Microchip application notes TB3069 and AN1478 for the canonical mTouch reference design patterns. This page consolidates distributor pricing, drop-in UQFN-28 alternatives, application-circuit guidance, and comparison data that goes beyond the manufacturer datasheet, giving engineers a single, decision-ready view of the PIC16LF1566-I/MV for low-power embedded and mTouch designs.

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