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PIC16LF19155-E/SS - 8-bit XLP MCU 14KB Flash LCD 28-SSOP | Microchip
PIC16LF19155-E/SS

PIC16LF19155-E/SS - 8-bit XLP MCU 14KB Flash LCD 28-SSOP | Microchip

The Microchip Technology PIC16LF19155-E/SS is an 8-bit RISC microcontroller from the PIC16F19155 family that combines eXtreme Low-Power (XLP) operation with an integrated segmented LCD driver, delivered in a 28-pin SSOP package. It is built on the PIC16 CPU core, executes instructions at up to 32 MHz, and provides 14 KB of self-programmable Flash, 1 KB of SRAM, and 256 bytes of Data EEPROM for non-volatile user storage. Core-independent peripherals include a 12-bit ADC with Computation (ADC2), a 5-bit DAC, low-power comparators (LP COMP), zero-crossing detection (ZCD), Complementary Waveform Generator (CWG), PWM, CCP capture/compare modules, SMT signal-measurement timer, RTCC hardware real-time clock, PPS peripheral pin select, and an integrated LCD charge pump suitable for battery-powered glass displays. The device operates from 1.8 V to 3.6 V, addressing the needs of ultra-low-power IoT and battery applications. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable peripherals on one die. The 8-bit class of MCUs, of which the PIC16 family is a long-established member, targets cost-sensitive embedded designs where deterministic interrupt response, low quiescent current, and small code footprint matter more than raw MIPS. The PIC16F19155 family extends the classic PIC16 architecture with Core Independent Peripherals (CIPs) that operate without CPU intervention, reducing firmware complexity and active-mode current. Hierarchy: PIC16LF19155 -> PIC16 family -> 8-bit PIC microcontroller -> microcontroller -> embedded IC -> semiconductor. Common synonyms: PIC MCU, XLP microcontroller, low-power Flash MCU. Key differentiating specifications of this part include 14 KB Flash organized as 8K x 14 words, hardware RTCC with calendar mode, hardware Windowed Watchdog Timer (WWDT), Peripheral Module Disable (PMD) for power gating, and the integrated charge pump that allows direct LCD drive from a single Li-ion cell down to 1.8 V. The 'LF' prefix designates the wide-range 1.8 V to 3.6 V process variant rather than the 5 V-tolerant F variant. Typical applications include battery-powered metering and utility displays, IoT sensor nodes with segmented LCD readouts, consumer health monitors with LCD UI, industrial HMI panels, and low-cost remote controls. The 28-SSOP footprint is convenient for hand-soldered prototypes while still tape-and-reel compatible for assembly. When designing with this part, plan the pin map using PPS to route digital peripherals and route the LCD segment lines with care to balance bias generation. Always bias the unused I/O to defined levels to minimize sleep current leakage on LF-process parts.

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PIC16LF19155-I/MV - 8-bit XLP MCU, 32MHz, 14KB Flash | Microchip
PIC16LF19155-I/MV

PIC16LF19155-I/MV - 8-bit XLP MCU, 32MHz, 14KB Flash | Microchip

The Microchip Technology PIC16LF19155-I/MV is an 8-bit PIC16 core microcontroller featuring 14KB (8K x 14 words) of Flash program memory, 1KB of SRAM, and 256 bytes of EEPROM, housed in a 28-pin UQFN (4x4 mm) package. It runs at up to 32 MHz, operates from 1.8V to 3.6V, and is designed around the company's eXtreme Low-Power (XLP) philosophy, integrating a charge pump for direct LCD glass drive. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, typically built on a Harvard architecture with separate program and data buses. MCUs belong to the broader embedded controller hierarchy: microcontroller -> embedded processor -> semiconductor IC. The PIC16 family adds RISC-style instruction execution, deterministic interrupts, and Core Independent Peripherals (CIPs) that offload tasks like waveform generation, signal conditioning, and LCD driving from the CPU. The 'LF' prefix in PIC16LF19155-I/MV indicates the low-voltage/low-power 'F' process node, while the 'I/MV' suffix indicates the industrial temperature grade (-40C to +85C) and the UQFN-28 package. Key features include 24 GPIO pins, a 12-bit ADC with up to 20 channels, two comparators, two PWM modules, a 5-bit DAC, six timers, and an integrated LCD driver supporting up to 96 segments. The XLP technology provides sleep currents below 1 uA with RTC retention, enabling multi-year coin-cell operation for battery-powered devices. Architecturally, the PIC16LF19155 uses a RISC core with 49 instructions and a 14-bit instruction word, allowing 8K-word program density in a small footprint. Hardware CIPs (CLC, NCO, DSM, PWM) execute signal-processing functions without CPU intervention, reducing active-mode time and overall power consumption. The integrated LCD charge pump eliminates the need for external boost circuitry on glass displays biased up to 5V. Typical applications include battery-powered IoT sensor nodes with LCD readouts, medical metering devices, thermostat controls, wearable fitness trackers, electronic shelf labels, and industrial HMI panels. The combination of CIPs and low-power modes makes the part especially attractive for always-on human-machine interfaces that must wake, measure, display, and return to sleep within tight energy budgets. When designing with this device, budget decoupling capacitance of at least 100 nF near each power pin and route the analog AVdd/AVss pair separately from digital Vdd/Vss to keep ADC noise below 1 LSB. The PIC16LF19155-I/MV is pin-compatible with other PIC16F191xx family members in UQFN-28, enabling code reuse and second-source flexibility on the same PCB land pattern. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, enabling engineers to select, source, and qualify the PIC16LF19155-I/MV in days rather than weeks.

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PIC16LF19155-I/SO - 14KB Flash, XLP LCD MCU 8-bit | Microchip
PIC16LF19155-I/SO

PIC16LF19155-I/SO - 14KB Flash, XLP LCD MCU 8-bit | Microchip

The Microchip PIC16LF19155-I/SO is an 8-bit PIC® XLP™ 16F microcontroller with 14KB Flash, 1KB RAM, 256B EEPROM, and an integrated LCD driver, housed in a 28-pin SOIC (7.50 mm width) package. It operates from 1.8V to 3.6V, supports a 32MHz internal oscillator, and combines a 12-bit ADC2 with DAC, low-power comparator, PWM, CCP, CWG, SMT, ZCD, PPS, RTCC, HLT, WWDT, and PMD peripherals on-die. The "LF" prefix denotes the eXtreme Low-Power variant with XLP technology for battery-powered applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and configurable peripherals. The PIC16LF19155 belongs to the PIC® 8-bit family -> microcontroller -> embedded processor -> semiconductor taxonomy. Its 8-bit RISC architecture executes most instructions in a single clock cycle, while the eXtreme Low-Power (XLP) technology enables sleep currents as low as hundreds of nA, making the part a member of the broader ultra-low-power MCU segment. Key differentiating features include 14KB (8K x 14 words) self-programmable Flash with device ID protection, 1KB SRAM, 256B EEPROM, an integrated segmented LCD driver with charge pump, a 12-bit differential ADC2 with computation engine, a 5-bit DAC, Core Independent Peripherals (CIPs) such as CWG, SMT, ZCD and PWM, peripheral pin select (PPS) for flexible signal routing, and a hardware limit timer (HLT) plus windowed watchdog (WWDT) for safety-critical loops. The device also includes an integrated temperature indicator and zero-cross detect (ZCD) for TRIAC / dimmer control. The PIC16LF19155 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word and 49 instruction set, providing deterministic interrupt response and instruction-level atomicity. The 32MHz internal oscillator with 4x PLL eliminates the need for an external crystal in most designs, reducing BOM cost. Core Independent Peripherals (CIPs) operate without CPU intervention, enabling efficient sensor and power-management state machines. Typical applications include battery-powered LCD consumer products (thermostats, remote controls, glucose meters), IoT sensor nodes with segmented LCD readouts, home appliance front panels with touch/proximity buttons, e-meter / utility metering with LCD display, industrial HMI panels, and white-goods user interfaces. The wide 1.8V-3.6V supply range and low-power modes let it run from a single CR2032 / 2x AA cell for years. When designing with this part, select the "LF" variant when operating below 3.6V or when battery life dominates BOM decisions; switch to the non-LF "F" variant only if you need 5V tolerance. Always populate the ICSP™/ICD pins (PGC/PGD) on a header or test pad for in-circuit programming and debugging with MPLAB® PICkit™ or ICD tools. Decouple VDD with a 100nF ceramic cap placed within 5mm of the pin. This page synthesizes distributor pricing, drop-in same-package alternatives, application design patterns, and practical engineering notes not found in the manufacturer datasheet alone, providing a faster decision path for procurement and design engineers.

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PIC16LF19155-I/SS - 32MHz 8-bit MCU, 14KB Flash, XLP | Microchip
PIC16LF19155-I/SS

PIC16LF19155-I/SS - 32MHz 8-bit MCU, 14KB Flash, XLP | Microchip

The Microchip Technology PIC16LF19155-I/SS is a 28-pin SSOP-packaged 8-bit RISC microcontroller from the PIC16LF191xx family, featuring 14KB (8K x 14) of flash program memory, 1KB of SRAM, and 256 bytes of EEPROM, with a 32MHz CPU core and integrated LCD drive capability. The LF suffix indicates the wide-Vdd (1.8V-3.6V) variant optimized for battery-powered applications, supported by Microchip's eXtreme Low-Power (XLP) technology and an on-chip charge pump for contrast generation in direct or multiplexed LCD panels. An 8-bit microcontroller (MCU) is a programmable microprocessor with an 8-bit data bus, flash program memory, RAM, EEPROM, and on-chip peripherals such as ADC, timers, comparators, and communication interfaces. The PIC16LF19155 belongs to the PIC16 family of mid-range 8-bit microcontrollers within the broader microcontroller category of embedded computing semiconductors, designed for deterministic real-time control with a Harvard RISC architecture. It serves the system role of low-power sensor-node processor in battery-powered or energy-harvesting products. Key features include a 32MHz internal oscillator, an integrated 12-bit ADC2 with computation, a 5-bit DAC, low-power comparators, zero-cross detect (ZCD), configurable logic cells (CLC), complementary waveform generator (CWG), PWM/CCP modules, RTCC, hardware limit timer (HLT), windowed watchdog timer (WWDT), and peripheral pin select (PPS) for flexible signal routing. The device also provides Core Independent Peripherals (CIPs) that operate without CPU intervention, reducing firmware complexity and power consumption. The architecture combines a 14-bit instruction word, an 8-bit data path, and a hardware multiplier-free instruction set, supporting C and assembly development under MPLAB X IDE with the XC8 compiler. The integrated charge pump allows bias generation for up to 96-segment LCD glass with Vdd as low as 1.8V, eliminating an external boost converter. Intelligent analog features, including a 12-bit differential ADC with oversampling, support sensor signal conditioning directly on-chip. Typical applications include battery-powered LCD thermostats, portable medical monitors, smart energy meters, IoT sensor nodes with displays, electronic shelf labels, and wearable health devices. The wide operating voltage range makes it compatible with 2x AA alkaline or single-cell Li-Ion primary chemistries. The device supports operating temperatures of -40C to +85C (industrial grade, "I" suffix). When designing with this MCU, allocate the charge pump output to one of the VLCD1/VLCD2/VLCD3 pins and ensure the bias timing matches the LCD glass multiplex rate. Decoupling should include a 100nF ceramic plus 1uF bulk on Vdd, and unused pins should be configured as outputs low to minimize leakage. For low-power operation, leverage the device's deep-sleep modes with RAM retention to achieve quiescent currents under 1 uA. This page synthesizes distributor pricing, drop-in alternative analysis, and practical design considerations not found in the manufacturer datasheet alone, supporting both new design and second-source validation for the PIC16LF19155-I/SS.

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PIC16LF19156-E/MV - 32MHz 8-bit MCU, 28KB Flash, LCD | Microchip
PIC16LF19156-E/MV

PIC16LF19156-E/MV - 32MHz 8-bit MCU, 28KB Flash, LCD | Microchip

The Microchip Technology PIC16LF19156-E/MV is an 8-bit PIC microcontroller built on the enhanced mid-range core with nanoWatt eXtreme Low-Power (XLP) technology, integrating 28KB of Flash program memory, 2KB of SRAM, and 256B of EEPROM in a 28-pin UQFN (4x4 mm) package with an exposed pad (MV suffix). The device runs up to 32MHz from an internal oscillator and targets low-power LCD-driven applications, where its integrated LCD charge pump, high-current I/Os, and Core Independent Peripherals (CIPs) enable BOM reduction. An 8-bit PIC microcontroller is a single-chip computer based on a modified Harvard RISC architecture that combines a CPU, non-volatile program memory, RAM, EEPROM, and a rich set of analog and digital peripherals. The 'L' in PIC16LF19156 denotes a wide-voltage, low-power variant suitable for 1.8V-3.6V operation, making it a member of the Microcontroller -> Embedded Controller -> Microprocessor hierarchy of semiconductor devices. Within Microchip's portfolio it sits in the PIC16F191xx family, with the PIC16LF19156 adding the XLP feature set. Key features include 28KB Flash / 2KB SRAM / 256B EEPROM, an integrated 12-bit ADC2 with computation, a 5-bit DAC, low-power comparators (LP COMP), multiple PWM/CCP/CWG channels, SMT (Signal Measurement Timer), ZCD (Zero-Cross Detection), PPS (Peripheral Pin Select), RTCC (Real-Time Clock Calendar), HLT (Hardware Limit Timer), WWDT (Windowed Watchdog Timer), PMD (Peripheral Module Disable), and an LCD driver with integrated charge pump. The UQFN-28 (4x4 mm) package offers a compact footprint while the exposed pad improves thermal dissipation for higher-clock, peripheral-heavy use cases. The PIC16LF19156 uses a 14-bit instruction word modified Harvard RISC architecture with a hardware multiplier, hardware interrupt controller, and tightly coupled CIPs that can operate autonomously without CPU intervention. This combination, with the XLP nanoWatt technology, supports idle currents down to the low-nA range, ideal for battery-powered metering, sensor, and IoT nodes that wake only briefly to take a measurement. Typical applications include battery-powered LCD consumer appliances, IoT sensor nodes with displays, low-power medical monitoring handhelds, smart thermostats, metering and instrumentation, and general-purpose HMI panels. The integrated LCD driver up to a moderate segment count eliminates the need for an external driver IC. When designing with this MCU, place decoupling capacitors (100 nF plus 1uF bulk) within 2 mm of each VDD pin, and connect the exposed pad to a solid ground plane for thermal relief. Designers should also use MPLAB X IDE with XC8 compiler and the PICkit or Snap programmer for development. This page synthesizes distributor pricing from Mouser, DigiKey, LCSC and Newark, parametric cross-references to the wider PIC16LF191xx family, and practical design notes not consolidated in any single source, helping engineers evaluate the PIC16LF19156-E/MV against alternatives and source it quickly.

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PIC16LF19156-E/SO - 32MHz 8-bit XLP MCU, 28KB Flash | Microchip
PIC16LF19156-E/SO

PIC16LF19156-E/SO - 32MHz 8-bit XLP MCU, 28KB Flash | Microchip

The Microchip Technology PIC16LF19156-E/SO is an 8-bit RISC microcontroller built on the PIC16 CPU core with eXtreme Low-Power (XLP) technology, integrated LCD driver and Core Independent Peripherals, delivering 32 MHz CPU performance with 28 KB Flash and 2 KB SRAM in a 28-pin SOIC package. It targets battery-powered and human-interface applications where low quiescent current, on-chip segmented LCD drive and integrated intelligent analog are required in a small footprint. The LF prefix indicates the 1.8V-3.6V wide VDD operating range typical of low-power PIC16 families, distinguishing it from the F-variant that runs at 2.3V-5.5V. Available integrated peripherals highlighted in the manufacturer brief include a 12-bit ADC2 with 5-bit DAC, Low-Power Comparator, PWM, CCP, CWG, SMT, ZCD, PPS (Peripheral Pin Select), RTCC, HLT (Hardware Limit Timer), WWDT and PMD (Peripheral Module Disable). Background knowledge: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), data EEPROM and configurable peripherals. PIC16 MCUs use a Harvard architecture with separate program and data buses, a RISC instruction set and a deterministic pipeline, which makes them popular in safety-conscious and low-power embedded designs. The PIC16F/LF191xx family is positioned in Microchip's "Core Independent Peripherals" tier, meaning many peripherals (CLC, CWG, NCO, SMT, ADC with hardware averaging) can operate without CPU intervention, freeing the core for power-saving sleep and extending battery life. This makes the LF19156-E/SO particularly well-suited to mains-battery hybrid devices, IoT end-nodes, metering and any application that must drive a segmented LCD glass directly from the MCU. Key features include 28 KB self-programmable Flash, 256 bytes of EEPROM, 2 KB SRAM, an integrated charge pump for contrast-stable LCD biasing in low-battery conditions, nanoWatt XLP sleep modes with current in the nanoamp range and PPS for flexible signal routing. The 28-SOIC package brings out up to 24 general-purpose I/O lines and exposes dedicated segment, common, ADC and comparator pins to simplify PCB layout versus smaller QFN variants. Typical applications include battery-powered metering with segmented LCD display, IoT sensor end-nodes, low-power medical wearables, handheld instruments with local LCD readout, and industrial HMI tiles. For each application, the LF19156-E/SO's combination of LCD drive, low Iq sleep and integrated 12-bit ADC2 reduces the bill of materials versus a discrete MCU-plus-driver-plus-ADC architecture. When designing, choose the LF (1.8V-3.6V) variant for coin-cell or 2xAA battery systems; choose the F (2.3V-5.5V) variant when powered from a 3.3V or 5V rail. Always check the device-specific pin map against the SOIC-28 land pattern and add the recommended decoupling per the manufacturer datasheet's analog/supply pin list. This page synthesizes distributor pricing, drop-in PIC16LF191xx family alternates, and practical design notes not found on a single manufacturer datasheet.

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PIC16LF19156-E/SP - 28KB Flash, 32MHz 8-bit XLP MCU | Microchip
PIC16LF19156-E/SP

PIC16LF19156-E/SP - 28KB Flash, 32MHz 8-bit XLP MCU | Microchip

The Microchip Technology PIC16LF19156-E/SP is an 8-bit RISC microcontroller from the PIC16F19156 family, featuring 28KB Flash program memory, 2KB SRAM, and 256 bytes of EEPROM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It operates at up to 32MHz with a 12-bit ADC2 subsystem providing up to 20 analog channels, a 5-bit DAC, and eXtreme Low-Power (XLP) technology optimized for battery-powered LCD applications. The part number suffix "LF" denotes the low-power F (1.8V-3.6V) core voltage variant suitable for single-cell Li-ion or two-AA battery operation. An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU, program memory, working RAM, non-volatile data EEPROM, and peripheral interfaces on one silicon die. Within the broader PIC16F family, this device belongs to the PIC16F19156 sub-family that adds Core Independent Peripherals (CIP), an integrated LCD driver with charge pump, and Intelligent Analog. It fits inside the wider taxonomy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor, and is widely used in low-power human-machine interface designs. Key features include 12-bit ADC2 with up to 20 channels, 5-bit DAC, low-power comparator (LP COMP), PWM, CCP, CWG (Complementary Waveform Generator), SMT (Signal Measurement Timer), ZCD (Zero-Cross Detect), Peripheral Pin Select (PPS), Real-Time Clock Calendar (RTCC), HLT (Hardware Limit Timer), Windowed Watchdog Timer (WWDT), and Peripheral Module Disable (PMD). The integrated LCD controller supports direct segment drive with an internal charge pump, eliminating external bias generation. The device uses Microchip's enhanced mid-range 8-bit PIC16 CPU core with a hardware multiplier and a 16-level hardware stack. XLP technology delivers nanoWatt sleep currents suitable for years-of-battery-life applications, while the charge pump and on-chip EEPROM allow data logging without external components. Typical applications include battery-powered LCD thermostats, industrial sensor transmitters, consumer remote controls, electronic shelf labels, portable medical monitors, and low-power IoT sensor nodes with segmented displays. When designing with this device, mind the 3.6V VDD maximum of the LF variant and choose a 32.768kHz crystal for RTCC accuracy. Place decoupling capacitors within 5mm of VDD/AVDD pins and reserve dedicated ground traces under the SPDIP for noise immunity. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single source for selection and sourcing decisions.

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PIC16LF19156-E/SS - 28KB Flash XLP MCU 28-SSOP | Microchip
PIC16LF19156-E/SS

PIC16LF19156-E/SS - 28KB Flash XLP MCU 28-SSOP | Microchip

The Microchip Technology PIC16LF19156-E/SS is an 8-bit PIC16 microcontroller built on the eXtreme Low-Power (XLP) architecture, featuring 28KB (16K x 14) of Flash program memory, 2KB of SRAM, and 256B of EEPROM, all housed in a 28-pin SSOP package. It operates at up to 32 MHz from a 1.8V to 3.6V supply and integrates a segmented LCD driver, 12-bit ADC2 (ADC with Computation), 5-bit DAC, low-power comparators, multiple PWM/CCP/CWG channels, SMT, ZCD, and a charge pump for battery-powered LCD operation. The device also includes Core Independent Peripherals (CIPs), Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), CRC/SCAN, RTCC, and Peripheral Pin Select (PPS), making it suitable for general-purpose and ultra-low-power embedded designs. An 8-bit microcontroller is a programmable processor that fetches, decodes, and executes 8-bit-wide instructions and is widely used in embedded systems as the central controller for sensing, actuation, and human-machine-interface functions. The PIC16 family belongs to the broader PIC microcontroller hierarchy (PIC10 -> PIC12 -> PIC16 -> PIC18 -> dsPIC), with the PIC16 line optimized for cost-sensitive applications that require low power, moderate analog/mixed-signal integration, and CIPs that run autonomously without CPU intervention. The "LF" prefix denotes a wide-voltage, low-power silicon variant; the XLP platform targets battery-powered applications through nanoWatt technologies and multiple low-power modes (Doze, Idle, Sleep, and Deep Sleep with RTCC retention). Key differentiating specifications include 28KB Flash for application code, 2KB SRAM for data and stack, 256B EEPROM for non-volatile user data, and an integrated LCD charge pump capable of driving glass at low battery voltages. The 12-bit ADC2 with Computation (ADC2) offloads averaging, filtering, and threshold comparisons from the CPU, enabling deterministic acquisition timing. PPS allows flexible remapping of digital peripherals to physical pins, simplifying PCB layout when compared with fixed-pin MCUs. Typical applications include battery-powered LCD key fobs, IoT sensor nodes with displays, medical handheld instruments, smart thermostats, white-goods user interfaces, asset trackers, and low-power metering. The combination of XLP, CIPs, and the integrated LCD charge pump reduces external components and extends battery life. When designing with this device, plan memory budget carefully: the 28KB Flash supports mid-sized application code, but adding both a USB stack and a graphics library may exceed it. Place a 0.1 uF decoupling capacitor close to each VDD pin and follow Microchip's MPLAB X IDE and XC8 compiler toolchain. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF19156-I/MV - 8-bit XLP MCU 28KB Flash 28-UQFN | Microchip
PIC16LF19156-I/MV

PIC16LF19156-I/MV - 8-bit XLP MCU 28KB Flash 28-UQFN | Microchip

The Microchip Technology PIC16LF19156-I/MV is an 8-bit PIC16F microcontroller from the PIC16F191xx family, offering 28 KB Flash, 2 KB SRAM and 256 bytes EEPROM, housed in a 28-pin UQFN (MV) 4x4 mm package with an exposed pad. It runs at up to 32 MHz CPU clock from an internal oscillator, operates across 1.8 V to 3.6 V supply (the LF variant, optimized for low voltage), and integrates a 12-bit ADC2, 5-bit DAC, low-power comparator, PWM/CCP, CWG, SMT, ZCD, PPS, RTCC, HLT and WWDT peripherals. The PIC microcontroller is an 8-bit Harvard-architecture RISC CPU family pioneered by Microchip; this device belongs to the enhanced mid-range PIC16 core with a 14-bit instruction word and hardware multiplier. Within the broader taxonomy it is a microcontroller (MCU) -> 8-bit MCU -> PIC16 family -> eXtreme Low-Power (XLP) LCD sub-family. Compared with traditional 8051-class MCUs it offers a richer peripheral set, while compared with 32-bit Cortex-M parts it favours deterministic interrupt response and ultra-low sleep current for battery applications. Key features include eXtreme Low-Power (XLP) operation with sub-uA sleep current, integrated LCD driver with charge pump, Core Independent Peripherals (CIPs) such as CWG, SMT and ZCD, peripheral pin select (PPS) for flexible I/O mapping, and 256 bytes of high-endurance EEPROM for parameter storage. The LF suffix denotes the wide low-voltage range part suited for 1.8 V coin-cell or 2x AA designs, while the non-LF PIC16F19156 supports up to 5.5 V. The 28-UQFN package provides a compact 4x4 mm footprint with an exposed thermal pad for improved dissipation. CRC/SCAN, Hardware Limit Timer (HLT) and Windowed Watchdog Timer (WWDT) add functional safety features useful in IEC 60730-class white goods. The combination of LCD drive, charge pump and XLP makes the PIC16LF19156 particularly efficient in battery-powered meter and HMI designs. Typical applications include battery-powered glucose meters and thermostats with LCD readouts, IoT sensor nodes with segmented displays, white-goods HMI panels, portable medical monitors, smart thermostats and e-paper driver boards. The wide 1.8 V-3.6 V range allows direct operation from a single Li coin cell. When designing with this device, ensure the exposed pad is soldered to a sufficient copper pour for thermal relief and that the PPS mapping is locked after configuration to prevent accidental runtime remapping. Decouple VDD with at least 100 nF plus 1 uF bulk ceramic close to the pins. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF19156-I/SP - 32MHz 8-bit LCD MCU, 28KB Flash | Microchip
PIC16LF19156-I/SP

PIC16LF19156-I/SP - 32MHz 8-bit LCD MCU, 28KB Flash | Microchip

The Microchip Technology PIC16LF19156-I/SP is an 8-bit RISC microcontroller based on the PIC16 core, operating at up to 32 MHz with 28 KB (16K x 14) of Flash program memory, 2 KB of SRAM, and 256 bytes of data EEPROM, housed in a 28-pin SPDIP (through-hole) package. It targets ultra-low-power (XLP) battery applications with an integrated LCD driver, integrated charge pump, 12-bit ADC2 with computation, 5-bit DAC, low-power comparator, PWM, CCP, CWG, ZCD, and Peripheral Pin Select (PPS). A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, working RAM, and programmable peripherals in a single chip. The PIC16 family uses a Harvard RISC architecture with a 14-bit instruction word optimized for deterministic, byte-oriented embedded control. PIC MCUs occupy the 8-bit tier of the embedded hierarchy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor) and compete with 8051 derivatives and low-end Cortex-M0 devices, trading raw clock speed for low power, deterministic timing, and code density. Key features include a wide 1.8 V to 3.6 V supply range optimized for single-cell Li-ion or 2x AA battery operation, eXtreme Low-Power (XLP) technology with sub-uA sleep currents, 24 GPIO-capable I/O pins, an integrated LCD driver with charge pump supporting glass up to 5.5 V, and Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU. The 12-bit ADC2 with oversampling, the 5-bit DAC, and the zero-crossing detector are particularly useful for sensor signal conditioning and dimmable lighting. The PIC16LF19156 uses a pipelined Harvard architecture with a hardware multiplier and a 32 kHz internal LF oscillator plus a 32 MHz HF oscillator selectable via the OSCCON register. The PPS module remaps digital peripherals to almost any I/O pin, simplifying PCB routing. The integrated LCD controller, charge pump, RTCC, and CIPs make the part a one-chip solution for battery-powered meters, thermostats, and wearable LCD products. Typical applications include battery-powered LCD thermostats, smart energy meters with display, portable medical dosing pumps, IoT sensor nodes with LCD readout, white-goods user-interface panels, and electronic shelf labels. The 256 B EEPROM supports frequent-data-logging tasks such as meter calibration and tamper counters. When designing with this device, keep the LF crystal or INTOSC selected during sleep to keep the RTCC running while the CPU is idle, and budget 6 mA per I/O when sourcing LEDs directly to avoid VDD droop. PPS mapping is one-time-per-pin, so reassigning the same peripheral to multiple pins requires later silicon revisions.

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PIC16LF19156-I/SS - 8-Bit XLP MCU, 32MHz, 28KB Flash | Microchip
PIC16LF19156-I/SS

PIC16LF19156-I/SS - 8-Bit XLP MCU, 32MHz, 28KB Flash | Microchip

The Microchip Technology PIC16LF19156-I/SS is an 8-bit PIC16 microcontroller featuring 32MHz CPU speed, 28KB (16K x 14) Flash program memory, 2KB SRAM, and 256 bytes EEPROM, housed in a 28-pin SSOP package. Designed around the PIC16 core with eXtreme Low-Power (XLP) technology, the device integrates Core Independent Peripherals (CIPs), Intelligent Analog, and an LCD driver with integrated charge pump, making it ideally suited for battery-powered LCD applications. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. The 8-bit class (such as PIC, AVR, 8051, and low-end STM8) targets cost-sensitive, deterministic control tasks where simple instruction sets and low power outweigh raw throughput. Within the PIC family hierarchy, the PIC16LF19156 belongs to the PIC16F191xx sub-family, sits above PIC10/PIC12 in complexity, and falls below PIC18/PIC24 in register width and address space. The 'LF' prefix denotes the wide-voltage 1.8-3.6V variant; the 'F' sibling supports 2.3-5.5V. Key features include a maximum operating frequency of 32MHz (8MHz instruction rate with 4-cycle pipeline), 1.8V to 3.6V supply range, an integrated LCD charge pump, up to 35 high-current I/O pins, 12-bit ADC with computation (ADC2), 8-bit DAC, multiple 16-bit timers, and configurable logic cells (CLC) for hardware state-machine implementation. The XLP Sleep mode draws nanoamp-level current, enabling multi-year coin-cell battery operation when paired with an LCD. The PIC16LF19156 combines a Harvard RISC architecture with peripheral flexibility. Flash self-programming supports in-field firmware updates, while CIPs such as the Complementary Waveform Generator (CWG), Signal Measurement Timer (SMT), and Peripheral Pin Select (PPS) reduce CPU wake-up overhead and free the core from bit-banging real-time I/O. Typical applications include battery-powered LCD thermostats and metering displays, wearable health monitors, IoT sensor nodes with on-glass segment displays, consumer remote controls, low-cost HMI panels, and ePaper / segment-LCD industrial gauges. The wide voltage range and integrated charge pump remove the need for a boost converter in many 3V designs. When designing with this part, ensure the ICD pins (ICSPCLK/ICSPDAT) are not pulled low at reset to avoid inadvertent entry into in-circuit serial programming mode. Verify the charge pump capacitor selection against the LCD segment load, and use PPS routing to remap peripherals without rewiring the PCB. Adequate decoupling (100nF + bulk) is required near VDD with the AVREF pin referenced cleanly for ADC accuracy. This page synthesizes distributor pricing from 11+ channels, validated drop-in same-package alternatives in the same SSOP-28 footprint, and practical design notes (XLP sleep current, charge pump tuning, ADC2 averaging) not consolidated in the standalone datasheet.

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PIC16LF19156T-I/SO - 28KB Flash XLP LCD MCU | Microchip
PIC16LF19156T-I/SO

PIC16LF19156T-I/SO - 28KB Flash XLP LCD MCU | Microchip

The Microchip Technology PIC16LF19156T-I/SO is an 8-bit PIC16 microcontroller with 28KB Flash, 2KB RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC package and rated for industrial -40C to +85C operation. It belongs to the PIC16F191xx family and integrates an LCD driver, 12-bit ADC2, 5-bit/8-bit DAC, low-power comparator, CCP, PWM, CWG, SMT, ZCD, PPS, and RTCC peripherals, targeting low-power battery applications. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, program memory, RAM, and peripherals on a single die. Within the broader taxonomy, the PIC16LF19156 sits in the PIC16 family -> 8-bit PIC microcontroller -> microcontroller -> semiconductor. Its "LF" prefix denotes the eXtreme Low-Power (XLP) variant optimized for battery and energy-harvesting applications, while the F (Flash) suffix indicates in-circuit re-programmable Flash program memory. Key features include 32 MHz operation from a 1.8V to 3.6V supply, the XLP sleep mode with nanoWatt technology, 36 digital I/O pins, integrated LCD charge pump for bias generation, and direct memory access. The 28-pin SOIC (SO) footprint is the same as the original PIC16F19xx baseline, providing a migration path for engineers already designing with that package. Typical applications include battery-powered LCD thermostats, IoT sensor nodes with display readouts, wearable medical monitors, industrial human-machine interface (HMI) panels, and metering products. The 256-byte EEPROM supports persistent settings storage across power cycles, while the integrated RTCC simplifies real-time clock implementations in metering and scheduling products. When designing with this device, place a 100 nF decoupling capacitor adjacent to each VDD pin and a bulk 1uF-10uF tantalum or ceramic cap on the main supply rail. The LCD charge pump output capacitors should be rated for the maximum segment load and follow the manufacturer reference layout from TB3131 and the PIC16F19156 datasheet. For migration from PIC16LF19155 (56KB/32KB), check that your program code fits within 28KB Flash. This page synthesizes distributor pricing, drop-in same-package alternatives from Microchip's PIC16 family, and practical design notes not found in the manufacturer datasheet summary, all verified as of 2026-09-25.

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PIC16LF19175-E/PT - 8-Bit 32MHz XLP MCU 14KB Flash | Microchip
PIC16LF19175-E/PT

PIC16LF19175-E/PT - 8-Bit 32MHz XLP MCU 14KB Flash | Microchip

The Microchip Technology PIC16LF19175-E/PT is a low-power 8-bit PIC16 microcontroller built on the enhanced mid-range core, running up to 32 MHz with 14 KB (8K x 14 words) of Flash program memory and operating from a 1.8 V to 3.6 V supply. Housed in a 44-pin TQFP (10x10 mm) package, the LF variant is qualified for the lower-voltage XLP (eXtreme Low-Power) regime that suits coin-cell and Li-Ion battery products. A PIC microcontroller is a compact, deterministic microcontroller that integrates a CPU, non-volatile program memory, RAM, EEPROM and a rich peripheral set on a single die. The PIC16F191xx family sits in Microchip's 8-bit XLP portfolio between the PIC16F1 mid-range and the PIC18 baseline, adding on-chip LCD drive, Core Independent Peripherals (CIPs) and Intelligent Analog to reduce external component count and to keep average current in the nanoampere range during sleep. Key features of the PIC16LF19175 include 1 KB RAM, 256 bytes EEPROM, hardware CRC/SCAN, a Windowed Watchdog Timer (WWDT), Hardware Limit Timer (HLT), a Real-Time Clock Calendar (RTCC) and Peripheral Module Disable (PMD). The integrated 12-bit ADC2 with computation, 5-bit DAC, zero-cross detect (ZCD) and low-power comparator (LP COMP) provide sensor-friendly analog front-ends, while CCP, PWM and the Configurable Logic Cell (CLC) simplify power-converter and signal-conditioning tasks. The 8-bit product family. The PIC16LF19175 uses an enhanced Harvard RISC architecture with 49 instructions and a hardware multiply, delivering roughly 8 MIPS at 32 MHz while retaining the small code footprint typical of PIC cores. On-chip LCD drive supports up to 96 segments with an internal charge pump, and the device can wake from sleep on an interrupt in microseconds, making it suited to ultra-low-duty-cycle designs. Typical applications include battery-powered LCD thermostats and metering, IoT sensor nodes, wearable health and fitness devices, remote controls, electronic shelf labels, smoke and CO detectors, low-cost medical instruments, and any general-purpose embedded control loop that demands long battery life and on-display feedback. When designing with this part, budget derating carefully: at 32 MHz and 3.3 V the core draws about 4 mA, while deep sleep with RTCC retains timekeeping below 1 uA. Place a 100 nF decoupling capacitor within 2 mm of VDD and add a 10 uF bulk capacitor on the board supply, and use the ICD header layout described in the datasheet to keep programming reliable.

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PIC16LF19175-I/MV - 8-Bit MCU, 32MHz, 14KB Flash, LCD, UQFN-40
PIC16LF19175-I/MV

PIC16LF19175-I/MV - 8-Bit MCU, 32MHz, 14KB Flash, LCD, UQFN-40

The Microchip Technology PIC16LF19175-I/MV is an 8-bit PIC microcontroller from the PIC16F191xx family operating at up to 32 MHz, integrating 14 KB (8K x 14 words) of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM in a 40-pin UQFN (5x5 mm) package with exposed pad. It is part of the eXtreme Low-Power (XLP) family and combines Intelligent Analog, Core Independent Peripherals (CIPs), and an integrated LCD driver with charge pump, making it especially suited to battery-powered LCD applications. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program and data memory, and programmable I/O peripherals on a single silicon die. The PIC16F191xx family sits within Microchip's 8-bit PIC16 hierarchy, which traces up to the broader category of microcontrollers -> embedded processors -> semiconductors. The 'LF' prefix designates the 1.8 V to 3.6 V low-voltage variant, optimized for coin-cell and lithium battery operation, while the non-'LF' PIC16F19175 operates from 2.3 V to 5.5 V. Key features include a 12-bit ADC2 with computation, a 5-bit/10-bit DAC, two comparators with rail-to-rail inputs, a zero-cross detect (ZCD), a complementary waveform generator (CWG), four 16-bit PWM timers, capture/compare/PWM (CCP), signal measurement timer (SMT), peripheral pin select (PPS), real-time clock/calendar (RTCC), and an LCD driver supporting up to 248 segments with integrated charge pump. The device also includes CRC/SCAN, Hardware Limit Timer (HLT), and Windowed Watchdog Timer (WWDT) for functional safety, and offers 35 user I/O pins on this 40-pin package variant. Architecturally, the PIC16LF19175 uses a RISC-based PIC16 core with a hardware stack and 14-bit instruction word, paired with a 32 MHz internal oscillator that removes the need for an external crystal in most designs. Core Independent Peripherals operate without CPU intervention, freeing the core for low-power sleep states and reducing average current draw - critical for battery-operated human-machine interfaces and metering products. Typical applications include battery-powered LCD keypads, IoT sensor nodes with displays, home automation control panels, medical glucose meters and portable monitors, and industrial HMI tiles. The wide operating voltage range (1.8 V to 3.6 V) and integrated charge-pump LCD driver eliminate the need for a boost converter on the display bias rail, reducing BOM cost and PCB area. When designing with this device, plan the I/O pinout against the UQFN-40 land pattern early - the 5x5 mm package with exposed pad requires a continuous ground plane beneath the die for thermal dissipation and electrical reference. Use the PPS feature to remap peripherals to available physical pins and avoid routing conflicts late in the design. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF19175-I/PT - 14KB Flash, 32MHz XLP LCD MCU | Microchip
PIC16LF19175-I/PT

PIC16LF19175-I/PT - 14KB Flash, 32MHz XLP LCD MCU | Microchip

The Microchip Technology PIC16LF19175-I/PT is an 8-bit PIC16F microcontroller featuring eXtreme Low-Power (XLP) technology, 14KB Flash program memory, 1KB RAM, and 256B EEPROM, housed in a 44-pin TQFP (10x10mm) package. Operating from 1.8V to 3.6V with a 32MHz internal oscillator, it integrates intelligent analog peripherals including a 12-bit ADC2, 5-bit DAC, low-power comparator, and Zero-Cross Detect (ZCD) for energy-efficient signal acquisition. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O. An 8-bit PIC16 microcontroller uses a modified Harvard RISC architecture optimized for deterministic interrupt latency and ultra-low-power operation. Within the broader taxonomy, the PIC16LF19175 sits at the bottom of the microcontroller hierarchy: MCU -> 8-bit MCU -> PIC16F family -> PIC16LF191xx sub-family. The "LF" prefix denotes the low-voltage (1.8V-3.6V) variant targeting battery-powered applications, while the "191" series integrates LCD drive and Core Independent Peripherals (CIPs) that offload tasks from the CPU. Key features include four Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Signal Measurement Timer (SMT), PWM, CCP capture/compare modules, and Peripheral Pin Select (PPS) for flexible I/O mapping. The integrated LCD driver supports up to 96 segments with a charge pump for contrast biasing in low-voltage designs. Real-Time Clock Calendar (RTCC) with hardware compensation provides accurate timekeeping during sleep, drawing microamp-level current. The device retains all 35 I/O pins even with LCD active, supporting mixed analog/digital sensor interfaces. Typical applications span battery-powered consumer devices with LCD displays, IoT sensor nodes, medical dosing pumps, industrial HMI panels, metering equipment, and ePaper/e-ink controllers. The XLP sleep current below 50 nA with RTCC running enables multi-year battery life in always-on installations. The 12-bit ADC2 with hardware averaging accelerates precision sensor reading while the CPU sleeps. When designing with this part, use PPS to reassign peripheral functions to any I/O pin, simplifying PCB layout. Verify the TQFP-44 land pattern matches your footprint before ordering, as the "PT" suffix is critical for the 10x10mm body size. For higher temperature range requirements, evaluate the -E/PT (extended) or -MV package variants instead. This page synthesizes distributor pricing, drop-in Microchip equivalents, and practical design notes not found in the manufacturer datasheet alone. All data is verified against DigiKey, Mouser, and Octopart listings as of 2026-09-25.

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PIC16LF19175T-I/MV - 14KB Flash, 32MHz 8-bit XLP MCU | Microchip
PIC16LF19175T-I/MV

PIC16LF19175T-I/MV - 14KB Flash, 32MHz 8-bit XLP MCU | Microchip

The Microchip Technology PIC16LF19175T-I/MV is an 8-bit PIC® XLP™ 16F microcontroller with 14KB Flash, 1KB RAM, and 256 bytes of EEPROM, operating up to 32MHz in a 40-pin UQFN (5x5 mm) package with exposed pad. The "LF" prefix denotes the wide-voltage low-power variant, supporting 1.8V to 3.6V operation ideal for battery-powered systems. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals on one die; the PIC16 core uses a modified Harvard RISC architecture with 14-bit instruction words optimized for deterministic execution and low power consumption. XLP (eXtreme Low Power) technology from Microchip adds sleep currents in the nanoampere range, making this family especially suited for energy-harvesting and battery-backed applications. Key features include an integrated LCD driver with charge pump, 12-bit ADC2 with Computation, 5-bit and 8-bit DACs, low-power comparator, PWM, CCP, CWG (Complementary Waveform Generator), SMT (Signal Measurement Timer), ZCD (Zero-Cross Detect), PPS (Peripheral Pin Select), and RTCC (Real-Time Clock Calendar). The device provides Core Independent Peripherals (CIPs) that operate without CPU intervention, freeing the core for higher-level tasks. Hardware security is enhanced with CRC/SCAN, a Hardware Limit Timer (HLT), and a Windowed Watchdog Timer (WWDT). The 40-pin UQFN (MV) package offers a compact 5x5 mm footprint suitable for space-constrained designs while maintaining full peripheral access through the device's 36 I/O pins. Typical applications include battery-powered LCD user interfaces, IoT sensor nodes, home automation panels, medical monitoring devices, and industrial control HMIs. The integrated charge pump allows direct LCD glass drive without external boost circuitry. When designing with this MCU, place a 0.1 µF decoupling capacitor as close as possible to the VDD pin and a 10 µF bulk capacitor near the UQFN exposed pad, which must be soldered to a ground plane for thermal dissipation. PPS enables flexible pin assignments but requires configuration lock-out to prevent runaway code. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet cover page. All information was verified against the Microchip PIC16LF19175 datasheet and DigiKey listings as of 2026-09-25.

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PIC16LF19175T-I/PT - 8-bit 32MHz 14KB Flash MCU | Microchip
PIC16LF19175T-I/PT

PIC16LF19175T-I/PT - 8-bit 32MHz 14KB Flash MCU | Microchip

The Microchip PIC16LF19175T-I/PT is a low-power 8-bit PIC16 microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14) of Flash program memory, 1KB of SRAM, and 256 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) package. It operates at up to 32 MHz from a 1.8V to 3.6V supply, with nanoWatt XLP technology for ultra-low-power battery applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile storage (EEPROM), and a rich set of peripherals such as timers, ADCs, communication interfaces, and I/O ports. Within the broader taxonomy, the PIC16LF19175 belongs to the 8-bit MCU category, which sits under microcontrollers, then embedded processors, and finally semiconductors. Its nanoWatt XLP pedigree makes it a representative member of the ultra-low-power MCU class used in energy-harvesting and battery-powered designs. Key features include an integrated LCD driver with charge pump, a 12-bit ADC2 with computation, a 5-bit DAC, low-power comparators (LP COMP), PWM, CCP, CWG (Complementary Waveform Generator), SMT (Signal Measurement Timer), ZCD (Zero-Cross Detect), PPS (Peripheral Pin Select), RTCC (Real-Time Clock Calendar), HLT (Hardware Limit Timer), WWDT (Windowed Watchdog Timer), and PMD (Peripheral Module Disable). The combination of PPS and PMD gives system designers granular control over pin routing and unused peripheral power-down to extend battery life. The architecture is built on Microchip's enhanced mid-range PIC16 core, providing deterministic instruction execution at 32 MHz with a 31.25 ns instruction cycle. The internal 32 MHz oscillator, optional 32 kHz low-power oscillator, and PLL flexibility allow trade-offs between active power, sleep current (claimed down to nanoampere class), and timing accuracy. The 12-bit ADC2 with computation automates averaging, filtering, and threshold decisions on-chip, offloading the CPU. Typical applications include battery-powered IoT sensor nodes, thermostat and HVAC control panels with LCD readouts, metering (gas/water/electric), home appliance user interfaces, portable medical devices, and industrial human-machine interface (HMI) terminals. The integrated LCD driver and RTCC make it especially well-suited to mains- or battery-powered clock/display products. When designing, validate the minimum operating voltage for the chosen clock frequency and engage peripheral module disable (PMD) and sleep modes aggressively to achieve the headline nanoWatt XLP figures. For LCD designs, allocate sufficient bias resistor values for the chosen glass and use the charge pump only when VIN is below the LCD threshold voltage. This page synthesizes distributor pricing, drop-in alternatives, and practical design considerations not found in the manufacturer datasheet alone.

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PIC16LF19176-E/MV - 28KB Flash 8-bit MCU XLP LCD | Microchip
PIC16LF19176-E/MV

PIC16LF19176-E/MV - 28KB Flash 8-bit MCU XLP LCD | Microchip

The Microchip Technology PIC16LF19176-E/MV is an 8-bit PIC microcontroller built on the eXtreme Low-Power (XLP) architecture, featuring 28KB Flash program memory, 2KB SRAM, and 256 bytes of EEPROM, housed in a 40-pin UQFN (MV) 5x5 mm exposed-pad package. It runs up to 32 MHz from a 1.8V to 3.6V supply, integrates a hardware LCD driver, a 12-bit ADC2 with computation, a 5-bit DAC, and a rich set of Core Independent Peripherals including PWM, CCP, CWG, SMT, ZCD, PPS, RTCC, HLT, WWDT, and PMD. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and I/O peripherals. The PIC16F family belongs to the broader microcontroller hierarchy: PIC16F -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The LF sub-family is the low-power F-variant, optimized for battery-powered applications with nanoWatt XLP sleep modes and an integrated charge pump for LCD glass biasing even at low Vdd. Key features that differentiate this part: 16K x 14 Flash words (28KB), 256 bytes high-endurance EEPROM with EEPROM-on-Flash endurance of 100k cycles typical, and on-chip LCD charge pump supporting up to 64 segments without external bias resistors. The 12-bit ADC2 can perform automated Accumulate, Averaging, Burst Average, Low-Pass Filter, and Threshold Compare operations without CPU intervention, offloading signal conditioning in sensor designs. Architecturally, the device pairs a 14-bit instruction-word PIC16 core with Peripheral Pin Select (PPS) allowing most digital peripherals to be remapped to any I/O, a Configurable Logic Cell (CLC) block, and a Complementary Waveform Generator (CWG) for half-bridge / full-bridge / push-pull drive of MOSFETs. The Sleep current with LCD and RTCC active is in the order of a few microamps - critical for sealed-battery products that must run for years on a coin cell or two AA cells. Typical applications include battery-powered LCD panel meters, IoT sensor nodes with displays, electronic shelf labels (ESL), medical wearables, low-end HMI tiles, and industrial thermostats. The combination of integrated LCD, ADC2, and CWG simplifies BOM and PCB area in any node that needs a display plus sensor readout plus small-motor / buzzer drive. When designing with this part, prioritize firmware that uses Sleep mode aggressively and routes wake-up sources through the MTIO / RTCC / IOC blocks; do not poll in main loop. Enable the LCD charge pump only when the display is visible and disable peripherals individually with PMD to minimize active current.

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PIC16LF19176-E/P - 8-bit XLP MCU, 28KB Flash, 40-PDIP | Microchip
PIC16LF19176-E/P

PIC16LF19176-E/P - 8-bit XLP MCU, 28KB Flash, 40-PDIP | Microchip

The Microchip Technology PIC16LF19176-E/P is an 8-bit PIC16 microcontroller featuring 28KB of FLASH program memory, 2KB of RAM, and 256 bytes of EEPROM, housed in a 40-pin PDIP through-hole package. It operates at up to 32MHz clock speed and supports a wide voltage range of 1.8V to 3.6V, with eXtreme Low-Power (XLP) technology for battery-powered applications. The integrated LCD driver with charge pump enables direct glass drive without external boost circuitry, while Core Independent Peripherals (CIPs) such as CWG, SMT, ZCD, and PPS reduce CPU overhead and BOM cost. An 8-bit microcontroller (MCU) is a compact programmable processor that integrates CPU, memory, and peripherals on a single silicon die. The PIC16 family sits within Microchip's 8-bit PIC microcontroller hierarchy, which is part of the broader category of microcontrollers (MCUs) and embedded controllers. PIC MCUs use a modified Harvard RISC architecture with separate program and data buses, allowing single-cycle instruction execution. The 'LF' prefix indicates a low-voltage (1.8V minimum VDD) variant optimized for battery-powered and energy-harvesting designs, distinguishing it from standard 'F' variants that typically require 2.0V or higher. Key features include a 12-bit ADC with computation (ADC2), a 5-bit DAC, a low-power comparator, PWM/CCP/CWG waveform generation, signal measurement timer (SMT), zero-crossing detect (ZCD), peripheral pin select (PPS), and a hardware RTCC with calendar mode. The device also offers windowed watchdog timer (WWDT), peripheral module disable (PMD), and hardware limit timer (HLT) for safety-critical applications. With 36 to 50 I/O pins available in the 40-pin PDIP form factor, designers can interface multiple sensors, displays, and communication peripherals simultaneously. The architecture combines a 14-bit instruction word PIC16 CPU with a vectored interrupt controller and hardware multiplier, achieving 32MHz operation at less than 1.2mA active current and sub-uA sleep currents via nanoWatt XLP technology. The integrated LCD charge pump supports bias generation up to 5V VLCD from a single 1.8V to 3.6V supply, eliminating the need for external boost components in low-power LCD designs. Typical applications include battery-powered glucose meters and thermostats, electronic shelf labels, smart remote controls, and any portable LCD-based product requiring long battery life. The combination of low power, integrated LCD drive, and CIPs makes the PIC16LF19176 family a strong fit for cost-sensitive consumer medical and IoT products. Designers should budget PCB area for the 40-pin PDIP footprint (600 mil body width) and verify the VLCD charge pump output current capability against their LCD segment count and refresh rate requirements.

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PIC16LF19176-E/PT - 8-Bit XLP MCU 28KB Flash LCD 44-TQFP | Microchip
PIC16LF19176-E/PT

PIC16LF19176-E/PT - 8-Bit XLP MCU 28KB Flash LCD 44-TQFP | Microchip

The Microchip Technology PIC16LF19176-E/PT is an 8-bit PIC16 microcontroller built on the eXtreme Low-Power (XLP) architecture with a maximum CPU clock of 32 MHz, 28 KB (16K x 14 words) of Flash program memory, and 44-pin TQFP (10x10 mm) surface-mount package. The part combines Core Independent Peripherals (CIPs), Intelligent Analog, integrated LCD drive, and a charge pump for low-power segmented displays, targeting battery-powered general-purpose and human-interface applications. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals on a single die. Within the power-management hierarchy, MCUs sit at the device-control layer above sensors and below system-level SoCs, providing deterministic real-time control while drawing as little as microamps in sleep mode. The PIC16 family uses a RISC instruction set with 14-bit wide instructions and a Harvard architecture, making it well suited to cost-sensitive embedded designs. Key features of the PIC16LF19176-E/PT include 28 KB Flash, 2 KB RAM, 256 bytes EEPROM, integrated 12-bit ADC2, 5-bit DAC, low-power comparators, PWM/CCP, CWG, SMT, ZCD, PPS, RTCC, hardware limit timer (HLT), windowed watchdog timer (WWDT), and peripheral module disable (PMD). The wide operating voltage range of 1.8 V to 3.6 V and XLP nanoWatt technology enable years of battery life in standby. Typical applications include battery-powered LCD consumer products (thermostats, blood-pressure monitors, e-bike displays), IoT sensor nodes, home-automation keypads/HMI, low-cost industrial control, and metering panels. The integrated LCD charge pump and segment driver reduce BOM cost by eliminating an external voltage booster. Designers should evaluate sleep current (claimed nanoWatt), wake-up latency, and segment-count requirements when choosing this part. The 44-TQFP package offers generous I/O count but should be paired with a clean 3V LDO for analog performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on standard distributor listings.

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PIC16LF19176-I/MV - 32MHz XLP 8-Bit MCU, 28KB Flash | Microchip
PIC16LF19176-I/MV

PIC16LF19176-I/MV - 32MHz XLP 8-Bit MCU, 28KB Flash | Microchip

The Microchip Technology PIC16LF19176-I/MV is an 8-bit PIC microcontroller built around the XLP (eXtreme Low-Power) 16F core, running at up to 32 MHz with 28 KB of Flash program memory and 2 KB of SRAM, housed in a 40-pin UQFN (MV) 5x5 mm package. It integrates a 12-bit ADC2 with up to 35 channels, a 5-bit DAC, two comparators (one low-power, one high-speed), two 8-bit timers with Hardware Limit Timer (HLT), two 16-bit timers, two CCP modules, two 10-bit PWM peripherals, one complementary waveform generator, and a Windowed Watchdog Timer (WWDT). What is an 8-bit PIC microcontroller? An 8-bit MCU is a single-chip computer whose ALU, registers, and data bus operate on 8-bit words; it executes one instruction per cycle (or one instruction per two cycles for some PIC variants) with a deterministic RISC pipeline. The PIC16F191xx family adds eXtreme Low-Power (XLP) technology, Core Independent Peripherals (CIPs) that operate without CPU intervention, and intelligent analog to enable low-power general-purpose embedded designs, especially battery-powered products with segment-LCD displays. Key differentiating features of this variant include the integrated LCD charge pump bias generator supporting up to 184 LCD segments, an active clock-tuning HFINTOSC that maintains frequency accuracy over voltage and temperature, and CRC/SCAN hardware for memory integrity checking. A windowed watchdog timer and hardware limit timer add safety features valuable in IEC 60730 class-B firmware for white goods. The MV package code (40-UQFN 5x5 mm) suits space-constrained HMI boards. The LF prefix denotes an extended supply-voltage part designed to operate down to 1.8V typical (versus the F variant's 2.3V typical), making this part optimized for primary-cell or low-voltage Li-ion battery rails. Typical applications include battery-powered segment-LCD thermostats, home-appliance user interfaces, low-power sensor hubs with mTouch capacitive sensing, IoT edge nodes, metering displays, and handheld consumer devices. The -I grade is rated for the industrial temperature range, and the combination of XLP sleep currents below 1 uA and a fast wake-up from sleep with Peripheral Pin Select (PPS) enables years of battery life on a single CR2032 cell in typical duty-cycled applications. When designing with the PIC16LF19176-I/MV, plan for ICD/ICSP header access even in low-pin designs because debug pins are multiplexed; leverage PPS to remap peripherals and ease PCB routing; and account for the 5x5 mm UQFN thermal pad which must be soldered to a sufficient copper pour for production-grade thermal and mechanical reliability. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF19176T-I/MV - 28KB Flash 8-bit XLP MCU | Microchip
PIC16LF19176T-I/MV

PIC16LF19176T-I/MV - 28KB Flash 8-bit XLP MCU | Microchip

The Microchip PIC16LF19176T-I/MV is an 8-bit PIC microcontroller from the PIC16F191xx family that delivers 32 MHz CPU performance from 28 KB of Flash program memory, housed in a 40-pin UQFN (MV) 5x5 mm package. It features 2 KB of SRAM, 256 bytes of EEPROM-like data Flash, and an integrated 12-bit ADC2 with DAC, LP comparator, and ZCD peripherals. The LF-prefixed part runs across a wide 1.8 V to 3.6 V supply range and is built on Microchip's eXtreme Low-Power (XLP) technology for battery-powered designs. The 'T' suffix denotes tape-and-reel packaging while the '-I' industrial temperature grade supports -40 C to +85 C operation. A PIC microcontroller is a compact, self-contained computer-on-a-chip that integrates a CPU, non-volatile program memory, RAM, and peripherals such as timers, ADC, communication interfaces, and I/O onto a single silicon die. PIC microcontrollers sit within the broader hierarchy of microcontrollers (MCU) -> microprocessors -> embedded computing devices -> semiconductors, and the PIC16 family specifically targets low-power, mid-complexity applications. The XLP variants add nanoWatt sleep modes and ultra-low standby currents, enabling years of operation from coin-cell or primary batteries. Core Independent Peripherals (CIPs) like the Hardware Limit Timer (HLT) and Windowed Watchdog Timer (WWDT) execute logic without CPU intervention, freeing the core and reducing active power. Key features include integrated LCD drive (up to 96 segments) with on-chip charge pump, four 16-bit timers, four CCP/ECCP plus CWG peripherals, Peripheral Pin Select (PPS) for flexible signal routing, and an RTCC with calendar mode. CRC/SCAN hardware supports non-intrusive memory integrity checks. The device is supported by Microchip's MPLAB X IDE, XC8 compiler, and MCC code configurator, providing a complete firmware development chain from prototype through production. Typical applications include battery-powered LCD consumer products such as thermostats, electronic shelf labels, blood glucose meters, and remote controls. Industrial HMI panels, sensor node data loggers, and metering front-ends also benefit from its rich peripheral set and low sleep current. The integrated 12-bit ADC2 and 5-bit DAC simplify analog signal conditioning in measurement products without requiring external components. When designing with this device, plan the pinout using the Peripheral Pin Select (PPS) feature, which remaps digital peripherals to a wide range of I/O pins. Decouple VDD with a 0.1 uF X7R ceramic placed within 3 mm of the package, and place the VCAP pin capacitor (1 uF to 10 uF) as close as possible to maintain LDO stability. Always configure unused I/O as outputs low to minimize current leakage in sleep mode.

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PIC16LF19176T-I/PT - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip
PIC16LF19176T-I/PT

PIC16LF19176T-I/PT - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip

The Microchip PIC16LF19176T-I/PT is a low-power 8-bit PIC16 microcontroller built on the enhanced mid-range core, delivering 32 MIPS at 32 MHz, 28 KB of Flash program memory, 2 KB of RAM, and 256 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) package. Its headline features are eXtreme Low-Power (XLP) operation from 1.8 V to 3.6 V, an integrated segmented LCD driver with charge pump, a 12-bit ADC2 with Computation, a 5-bit/10-bit DAC, multiple Core Independent Peripherals (CIPs) including CWG, CCP, PWM, SMT, ZCD, PPS, and a Real-Time Clock/Calendar (RTCC). The part comes in tape-and-reel packaging suitable for high-volume SMT assembly. Microcontrollers are programmable embedded computing devices that integrate a CPU, memory, and peripherals onto a single silicon die. Within that hierarchy, an 8-bit MCU like the PIC16LF19176 belongs to the PIC16 family of microcontrollers, which is a sub-family of the larger PIC microcontroller line, itself a major branch of the embedded microcontroller (MCU) product category, ultimately classified under integrated circuits and semiconductors. Engineers pick 8-bit MCUs when cost, deterministic interrupt response, and low power outweigh the raw throughput of 32-bit cores. This device targets battery-powered human-machine interfaces. XLP technology gives typical deep-sleep currents in the nanoamp range (per the datasheet IDD/DATA specifications), while the LCD charge pump supports glass types that require voltage rails above VDD. On-chip 12-bit ADC2 with oversampling and Burst Accumulate modes reduces external signal-conditioning cost; the DAC enables setpoint generation without a separate chip. The CIPs - Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Signal Measurement Timer (SMT), and Zero-Cross Detect (ZCD) - let timing- and waveform-sensitive functions run without CPU intervention, freeing the core for application code. Peripheral Pin Select (PPS) provides flexible digital I/O mapping across 35 I/O pins, easing PCB routing for mixed-signal boards. Typical applications include battery-powered consumer products with segmented LCDs (thermometers, blood-pressure monitors, remote controls), industrial sensor transmitters, IoT edge nodes, white-goods user interfaces, and metering/utility devices that demand long battery life and integrated analog signal chains. When designing with this part, verify the chosen package variant against board space early: the 44-pin TQFP in this MPN is the largest of the family, providing the most I/O; smaller 28-pin or 40-pin variants may require remapping signals. Also confirm the operating voltage window supports your LCD bias requirements, since some glass choices drive VDD toward the upper 3.6 V limit. This page synthesizes distributor pricing for the PIC16LF19176T-I/PT, drop-in same-family alternatives in the same 44-TQFP footprint, and practical design notes that complement the manufacturer datasheet.

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PIC16LF19185-E/MV - 8-bit XLP MCU, 14KB Flash, 48-UQFN | Microchip
PIC16LF19185-E/MV

PIC16LF19185-E/MV - 8-bit XLP MCU, 14KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC16LF19185-E/MV is an 8-bit PIC microcontroller in the PIC16F191xx family with XLP (eXtreme Low Power) technology, 14 KB (8K x 14 words) of Flash program memory and a maximum CPU clock of 32 MHz. It is offered in a 48-pin UQFN (6 mm x 6 mm) package, integrating 1 KB RAM, 256 bytes EEPROM, an LCD driver, 12-bit ADC2, 5-bit/12-bit DAC, low-power comparator, PWM, CCP, CWG, SMT, ZCD, PPS, RTCC, HLT, WWDT, and PMD peripherals in a single die. A microcontroller (microcontroller unit, MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), working RAM, and programmable peripherals around a shared bus. PIC16F19185 devices belong to the mid-range 8-bit MCU family that maps directly into the broader embedded-controller taxonomy of microcontroller -> embedded controller -> semiconductor. They use a RISC-style Harvard architecture with a 14-bit instruction word, which keeps code density high and dynamic power low - one of the reasons PIC mid-range MCUs dominate coin-cell and battery-powered designs. Key features of this part include a 32 MHz internal oscillator, an on-chip LCD driver with charge pump, 12-bit ADC with computation (ADC2), zero-cross detection (ZCD), signal-measurement timer (SMT), complementary waveform generator (CWG), peripheral pin select (PPS) for flexible I/O mapping, and the eXtreme Low-Power (XLP) sleep modes that drop quiescent current into the sub-1 uA range. The 'LF' prefix indicates the wide Vdd operating range of 1.8 V to 3.6 V, suitable for two-AA and lithium primary cells. Architecturally, the device is built around Microchip's enhanced mid-range core with hardware multiply and a vectored interrupt controller, supported by a configurable clock tree (HFINTOSC, LFINTOSC, MFINTOSC, SOSC) and a 32 kHz secondary oscillator for RTCC operation. Integrated core peripherals and PPS let engineers route digital functions to almost any GPIO, simplifying PCB layout and reducing the BOM. Typical applications include battery-powered human-machine interface (HMI) panels, low-cost thermostats and appliance controls, IoT sensor nodes with LCD readout, handheld medical monitors, and consumer remote controls. The combination of LCD driver, ADC2 and XLP makes this family a strong fit for any design that must display data while running from a small primary cell for years. The 48-UQFN package is the right choice when the PCB has limited area but the design still needs >30 GPIO, more than 32 KB-class 8-bit MCUs typically offer in smaller packages. When designing with this part, always place the 0.1 uF Vdd decoupling capacitor within 3 mm of the Vdd pin and route the analog AVdd/AVss pair as a Kelvin connection. Ensure unused I/O are configured as outputs low to minimize leakage in XLP sleep modes. This page synthesizes the latest distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, optimized for engineers evaluating the PIC16LF19185-E/MV for new designs or as a pin-compatible replacement.

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