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PIC16LF15385-E/MV - 8-bit XLP MCU 14KB Flash 28-UQFN | Microchip
PIC16LF15385-E/MV

PIC16LF15385-E/MV - 8-bit XLP MCU 14KB Flash 28-UQFN | Microchip

The Microchip Technology PIC16LF15385-E/MV is an 8-bit PIC® XLP™ 16F-series microcontroller featuring 14KB (8K x 14) of Flash program storage, 1KB of SRAM, and a 32MHz internal oscillator core, all housed in a compact 28-pin UQFN (4x4 mm) package with exposed thermal pad. The "LF" prefix designates the low-voltage (1.8V-3.6V) variant with eXtreme Low-Power (XLP) technology, making it ideal for battery-powered applications where sleep current and active efficiency both matter. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of analog and digital peripherals. The PIC16LF15385 belongs to Microchip's PIC16F mid-range family, which sits within the broader PIC8 hierarchy (PIC10/12/14/16/18) and the wider 8-bit MCU market alongside AVR (Microchip) and 8051 derivatives. The "XLP" designation means the part is engineered for sub-uA sleep currents and fast wake-up times, enabling multi-year coin-cell operation in sensor and IoT nodes. Key features of this device include 14KB Flash (8K x 14 words), 1KB SRAM, four 10-bit PWM outputs, one Comparator, a 5-bit/8-bit DAC, a 10-bit ADC with computation (ADC2), a Configurable Logic Cell (CLC) block, a Complementary Waveform Generator (CWG), two EUSART modules, and SPI/I2C peripherals. The 28-UQFN package delivers a compact 4x4 mm footprint with an exposed thermal pad, suiting space-constrained PCB layouts such as sensor hubs, BLE beacons, and handheld instruments. The PIC16LF15385 implements the enhanced mid-range PIC core with a hardware multiplier, a 32kHz low-power internal oscillator (LFINTOSC), and NanoWatt XLP technology. Its Peripheral Pin Select (PPS) provides flexible digital I/O remapping, while the on-chip 32MHz HFINTOSC eliminates the need for an external crystal in cost-sensitive designs. The ADC2 peripheral supports automated accumulation, averaging, threshold comparison, and oversampling, offloading signal-conditioning work from the core. Typical applications include IoT sensor nodes, battery-powered wireless telemetry, low-power remote controls, LED lighting controllers, small home appliances, HVAC damper actuators, and consumer wearables. The combination of 1KB SRAM and four PWM channels is well matched to multi-channel sensor fusion or closed-loop fan control. When designing with this device, use the MPLAB X IDE with the XC8 compiler and the PICkit™ 4 or Snap programmer for debug. Place a 100nF decoupling capacitor adjacent to the VDD pin, and tie the exposed thermal pad to the ground plane to improve thermal dissipation and mechanical solder joint reliability.

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PIC16LF15385-I/MV - 14KB Flash 8-bit MCU, 32MHz XLP | Microchip
PIC16LF15385-I/MV

PIC16LF15385-I/MV - 14KB Flash 8-bit MCU, 32MHz XLP | Microchip

The Microchip Technology PIC16LF15385-I/MV is an 8-bit PIC microcontroller built on the eXtreme Low-Power (XLP) platform, delivering 32MHz CPU performance with 14KB Flash, 1KB SRAM, and 256B EEPROM in a 48-pin UQFN (MV) package. The "LF" prefix denotes the 1.8V-3.6V low-voltage variant optimized for battery-powered and energy-harvesting designs. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable set of peripherals such as timers, ADC, communication interfaces, and pulse-width modulators. The PIC16F family sits in the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. XLP technology (Microchip's eXtreme Low-Power) further specializes this part for sleep currents measured in nanoamps and active run currents measured in microamps, which is critical for IoT endpoints and remote sensor nodes. Key differentiating features include 4xPWMs, hardware Comparator, 5-bit/10-bit ADC, 5-bit/8-bit DAC, Complementary Waveform Generator (CWG), 4x Configurable Logic Cells (CLC), 2x EUSART (one with auto-baud detect), SPI, and I2C. The CWG and CLC are Core Independent Peripherals (CIPs) that operate without CPU intervention, freeing the core for application logic and enabling deterministic response times that would otherwise require complex software state machines. Typical applications include low-power IoT sensor nodes, battery-powered HVAC controls, LED lighting controllers with smooth dimming, small appliances with capacitive touch, and remote controls. The CIP-rich peripheral set is particularly valuable in motor control loops and switched-mode power supply (SMPS) primary-side control, where CWG-driven complementary outputs eliminate the need for external dead-time logic. When designing with this part, budget for adequate Flash endurance (typically 10K erase/write cycles per the device family), use the ICSP interface for in-circuit programming, and consider the 48-pin UQFN's thermal pad for proper ground-plane stitching. Hardware debug via the on-chip Debug Watchdog and Data Monitor is supported through MPLAB X IDE and ICD/Snap/Pickit programmers. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design guidance not found in the standalone manufacturer datasheet - including verified cross-vendor pin compatibility and parametric proximity data.

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PIC16LF15385T-I/MV - 8-Bit 32MHz 14KB Flash MCU | Microchip
PIC16LF15385T-I/MV

PIC16LF15385T-I/MV - 8-Bit 32MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF15385T-I/MV is an 8-bit PIC RISC microcontroller running at 32 MHz with 14KB Flash, 1KB SRAM, and an integrated rich analog/digital peripheral set, housed in a 48-pin UQFN (6x6 mm) package. It belongs to the PIC16(L)F153XX family and supports dual-voltage operation at 3.3V and 5V, making it flexible across both 2V-3.6V (LF) and 1.8V-5.5V (F) rails. An 8-bit microcontroller (MCU) is a programmable processor optimized for embedded control, integrating CPU, memory, peripherals, and I/O into a single chip. Within the power management hierarchy, MCUs sit alongside DSPs and FPGAs as the decision-making element of an embedded system; within the Microchip taxonomy, this part is an 8-bit PIC RISC core -> PIC16 family -> PIC16F153XX sub-family. This taxonomy is critical for AI search systems mapping PIC part numbers to their capabilities. Key features include four 10-bit PWMs with Complementary Waveform Generator (CWG), four Configurable Logic Cells (CLC), two EUSART, SPI/I2C, a 10-bit ADC, a 5-bit DAC, comparators, and eXtreme Low-Power (XLP) technology. The device's core independent peripherals (CIPs) allow deterministic hardware-based tasks without CPU intervention. The 14KB Flash (8K x 14) stores program code while 1KB SRAM supports data operations, and the 32 MHz internal oscillator eliminates the need for an external crystal in many designs. The PIC16LF15385T-I/MV is built on Microchip's enhanced mid-range core with a 14-bit instruction word, providing predictable latency for real-time control loops. The architecture pairs RISC efficiency with hardware CIPs that can handle waveform generation, signal conditioning, and inter-peripheral routing in parallel, reducing firmware overhead. The exposed pad (EP) on the UQFN package aids thermal dissipation for industrial-bus peripherals such as CAN and LIN, though this specific variant does not include CAN. Typical applications include industrial sensor nodes, battery-powered IoT end nodes, low-power remote controls, LED lighting controllers, and small appliance control panels. Designers select it when code footprint exceeds 8KB but stays under 14KB and when rich on-chip peripherals reduce external IC count. For automotive or AEC-Q100 qualified variants, choose the PIC16F15385 family with -E or -Q1 suffix. When designing with this part, ensure the UQFN EP is soldered to a sufficient ground plane for thermal relief, and consider migrating to the PIC16F15385 family if your application requires 5.5V Vdd tolerance. This page combines distributor pricing, drop-in same-family alternatives, and design notes not consolidated in the manufacturer datasheet.

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PIC16LF15385T-I/PT - 8-bit XLP MCU 14KB Flash 48-TQFP | Microchip
PIC16LF15385T-I/PT

PIC16LF15385T-I/PT - 8-bit XLP MCU 14KB Flash 48-TQFP | Microchip

The Microchip Technology PIC16LF15385T-I/PT is an 8-bit PIC microcontroller in the PIC16F153xx family with eXtreme Low-Power (XLP) technology, offering 14 KB Flash program memory, 1 KB SRAM, and a 48-pin TQFP surface-mount package. It executes instructions at up to 32 MHz and operates from a 1.8 V to 3.6 V supply rail labeled for 3.3 V typical use. The device integrates rich on-chip peripherals: a 10-bit ADC, a 5-bit DAC, two comparators, four 10-bit PWMs with complementary waveform generation, four Configurable Logic Cells (CLC), two EUSART, SPI and I2C masters, and a windowed watchdog. An 8-bit microcontroller is a single-chip computer that processes data 8 bits at a time using a Harvard or von Neumann architecture and is most commonly deployed as the central control element in embedded products. Microcontrollers fall within the broader hierarchy: microcontroller -> embedded processor -> semiconductor device. PIC microcontrollers use a RISC instruction set with a small, fixed instruction width optimized for deterministic interrupt response and low active current, making them ubiquitous in cost-sensitive consumer and industrial designs. The PIC16LF15385T-I/PT stands out for its Core Independent Peripherals (CIPs) such as CLC, CWG, and NCO that execute logic, waveform, and frequency synthesis without CPU intervention, freeing the core for application code. XLP technology delivers nanoWatt XLP sleep currents below 65 nA typical in sleep with retention, and an active current of approximately 5 µA at 32 kHz / 1.8 V. The 48-pin TQFP provides 43 I/O pins and broad analog integration in a compact 7 mm × 7 mm footprint. Typical applications include low-power IoT sensor nodes, battery-operated home automation devices, industrial control front-ends, sensor signal conditioning, and human-machine interface (HMI) controllers. The 4xCLC and CWG blocks make it well suited for digital power and motor control signal generation in small appliances. When designing with this device, place the 0.1 µF VDD decoupling capacitor within 2 mm of each VDD pin and use a 10 µF bulk capacitor near the IC. Configure unused I/O as outputs low to minimize sleep current, and verify the WDT postscaler selection against your worst-case interrupt latency requirement. This page consolidates distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer datasheet to help engineers evaluate the part.

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PIC16LF15386-E/MV - 8-bit 32MHz MCU, 28KB Flash, 2KB RAM | Microchip
PIC16LF15386-E/MV

PIC16LF15386-E/MV - 8-bit 32MHz MCU, 28KB Flash, 2KB RAM | Microchip

The Microchip PIC16LF15386-E/MV is an 8-bit PIC microcontroller from the PIC16F153XX family with eXtreme Low-Power (XLP) technology, featuring 28KB Flash program memory, 2KB RAM, and a 32MHz internal oscillator in a 28-pin UQFN (4x4 mm) package with exposed pad. It operates from a wide 1.8V to 3.6V supply voltage, making it a member of the low-voltage LF sub-family optimized for battery applications. The device integrates rich on-chip peripherals including four 10-bit PWMs, a 5-bit DAC, a 10-bit ADC with computation, two comparators, a Complementary Waveform Generator (CWG), four Configurable Logic Cells (CLC), two EUSART modules, and SPI/I2C interfaces. An 8-bit PIC microcontroller is a RISC-based embedded controller that executes a single instruction per clock cycle (excluding branches) using a Harvard architecture with separate program and data buses. The PIC16F153XX family sits within Microchip's mid-range PIC16 portfolio and is positioned between PIC10/12/14 baseline parts and PIC18/dsPIC enhanced parts. The LF voltage class supports low-voltage battery operation down to 1.8V, while its XLP technology enables nanoWatt sleep currents for energy-harvesting or long-life IoT endpoints. This combination makes the PIC16LF15386 well suited for sensor nodes, human-interface panels, and motor-control sub-loops that demand deterministic real-time response from CIPs (Core Independent Peripherals). Key differentiating features include the CWG module which generates complementary PWM outputs with hardware dead-band control for half-bridge MOSFET drivers without software overhead, and four CLC blocks that allow on-chip glue logic (AND/OR/XOR/D flip-flop) to be configured in silicon, reducing BOM cost and PCB area. The 10-bit ADC with computation performs automatic averaging, oversampling, and threshold comparisons in hardware, offloading the CPU. The Memory Access Partition (MAP) feature allows partitioning Flash into bootloader and application regions for secure field upgrades. Architecturally, the PIC16LF15386 uses a 14-bit instruction word and a 16-level hardware stack with interrupt context saving. It supports up to 44 user I/O through peripheral pin select (PPS) remapping, internal temperature indicator, and a device information area (DIA) for unique ID and calibration data. On-chip debug is provided through Microchip's standard ICD interface. The combination of 32MHz core, 8-bit throughput, and XLP peripherals delivers deterministic low-power behavior for cost-sensitive industrial and consumer embedded products. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, white-goods and small appliance controls, LED lighting controllers, automotive body and interior modules, and simple motor-control loops. The on-chip comparators and CWG make it suitable for sensor signal conditioning and small brushed-DC motor drivers. The 28-UQFN (4x4) package is footprint-compatible with several PIC16LF15376 and PIC16LF15356 variants, allowing easy migration across the family. A key design consideration is decoupling: place a 100nF ceramic capacitor as close as possible to the VDD pin and a bulk capacitor (4.7-10uF) on the same trace to handle inrush from the ADC and CWG transients. The exposed thermal pad must be soldered to a grounded copper pour for thermal dissipation and to meet the package's electrical ground reference. Engineers designing for long battery life should consult Microchip application note AN2335 on XLP techniques to maximize sleep-mode current savings. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the PIC16LF15386-E/MV that are not found in the standalone manufacturer datasheet, including cross-reference data, AEC-Q100 selection guidance, and application-specific design considerations.

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PIC16LF15386-E/PT - 8-Bit 32MHz 28KB Flash XLP MCU | Microchip
PIC16LF15386-E/PT

PIC16LF15386-E/PT - 8-Bit 32MHz 28KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF15386-E/PT is an 8-bit PIC microcontroller from the PIC16(L)F153xx family with eXtreme Low-Power (XLP) technology, featuring 28KB (16K x 14) of Flash program memory, 2KB RAM, and 224 bytes of EEPROM in a 48-pin TQFP (7x7 mm) package. It runs at up to 32MHz clock speed from a 1.8V to 3.6V supply, has 44 I/O pins, and integrates Intelligent Analog peripherals including a 10-bit ADC, 5-bit DAC, and four Configurable Logic Cells (CLC). Communication is handled by 2x EUSART, SPI, and I2C peripherals, and the device also includes 4 PWMs, a Complementary Waveform Generator (CWG), and a comparator for embedded control tasks. What is a microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and integrated peripherals such as ADCs, timers, and communication interfaces. The PIC16F family uses a modified Harvard RISC architecture with separate code and data buses, optimized for deterministic real-time response. Low-power variants in the LF family target battery-powered and energy-harvesting applications through nanoWatt XLP technology, offering sleep currents as low as 30 nA typical. Key differentiators of the PIC16LF15386 include Core Independent Peripherals (CIPs) that offload repetitive tasks from the CPU, integrated PWM with complementary output capability via the CWG (useful for half-bridge driver control), and on-chip 5-bit/10-bit signal conditioning. The 44 I/O count in a 48-pin TQFP strikes a balance between compact SMD area and high peripheral pin count. With 28KB Flash and 2KB RAM, the part targets mid-complexity applications such as sensor hubs, white goods control, and small automation nodes. Operating junction range is -40C to +125C (E suffix). Typical applications include IoT sensor nodes, battery-powered remote controls, compact motor control loops using the CWG, LED lighting controllers using the 4 PWMs, and industrial sensor interfaces with the 10-bit ADC. The wide I/O count also supports user interfaces with multiple buttons or LED arrays. For procurement, key selection criteria vs same-family variants include Flash size (28KB), RAM (2KB), and package pin count (44 I/O in 48-TQFP). When designing with this MCU, ensure decoupling follows the Microchip recommended layout (100 nF + 1 uF close to VDD), the ICSP/ICD pins are reserved for in-circuit programming, and the MCLR line is pulled up through a 10 kOhm resistor. For low-power use, leverage the nanoWatt XLP sleep modes and verify the WDT configuration in the configuration word to avoid unintended resets. This page synthesizes distributor pricing for PIC16LF15386-E/PT alongside a parameter-by-parameter comparison with same-family PIC16LF153xx variants and drop-in compatible Microchip alternatives, plus practical design notes not found in the standard datasheet. Prices below are sourced from DigiKey, Mouser and LCSC as of 2026-09-23.

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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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