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PIC16LF1906-I/MV - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16LF1906-I/MV

PIC16LF1906-I/MV - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF1906-I/MV is an 8-bit CMOS microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14) of Flash program memory, 512 bytes of SRAM, and a 20MHz internal oscillator, all integrated in a 28-pin UQFN (4x4 mm) package with an exposed thermal pad. The device operates from a wide supply voltage range of 2.5V to 3.6V, includes an integrated LCD driver with charge pump support, and offers nanoWatt XLP extreme low-power technology for battery-powered applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, peripherals, and I/O on one die. The PIC16F family is part of the PIC micro -> 8-bit MCU -> microcontroller -> embedded IC -> semiconductor product taxonomy. The 'LF' prefix indicates a low-voltage variant of the PIC16F1906, optimized for sub-3.6V operation, while XLP (eXtreme Low Power) technology delivers sleep currents as low as 20 nA for energy-harvesting and IoT battery applications. Key features include 14KB Flash self-programmable memory with read-while-write capability, 256 bytes of EEPROM data memory, up to 25 I/O pins with interrupt-on-change, an integrated LCD driver module supporting up to 116 segments with charge pump, multiple communication peripherals including MSSP (SPI/I2C) and EUSART, 10-bit ADC with internal voltage reference, and Core Independent Peripherals (CIPs) such as CWG, NCO, and PWM. The 20MHz instruction execution delivers 5 MIPS performance at industry-leading power efficiency. Typical applications include battery-powered consumer electronics with LCD displays, IoT sensor nodes, medical glucose meters and portable diagnostic devices, e-metering and gas/water utility meters, automotive interior accessories (this part is non-automotive qualified; use PIC16F1906-E/MV for AEC-Q100 contexts), home appliance user interfaces, and industrial control panels with LCD readout. When designing with this device, verify the 2.5V minimum supply voltage for the LF variant - this is 0.5V lower than the standard PIC16F1906. Plan LCD bias generation through the internal charge pump or external resistor ladder, and ensure the exposed pad is soldered to the ground plane for proper thermal dissipation. This page synthesizes distributor pricing across 12 channels, package-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - all sourced from the September 2026 XAIPART verification cycle.

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PIC16LF1906-I/SO - 14KB Flash LCD XLP MCU | Microchip
PIC16LF1906-I/SO

PIC16LF1906-I/SO - 14KB Flash LCD XLP MCU | Microchip

The Microchip Technology PIC16LF1906-I/SO is an 8-bit PIC16-family RISC microcontroller with 14KB (8K x 14) of Flash program memory and 512 bytes of SRAM, operating up to 20MHz, in a 28-pin SOIC (SO) package. It integrates a segmented LCD driver, an on-chip 32kHz oscillator, mTouch capacitive touch peripherals, and Microchip's nanoWatt XLP extreme-low-power technology for battery-friendly designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, program memory (Flash/ROM), working RAM, peripherals (timers, ADC, communication ports), and a clock into one IC. Within the broader taxonomy, the PIC16LF1906 belongs to the PIC16 family -> 8-bit PIC microcontrollers -> microcontrollers (MCUs) -> microprocessors and microcontrollers -> semiconductors. The "LF" prefix denotes the F-prefix low-voltage Flash variant, suitable for operation down to 1.8V, and the nanoWatt XLP branding indicates deep-sleep currents on the order of tens of nanoamps. Key features include 14KB self-programmable Flash, 512 bytes SRAM, an integrated LCD driver supporting up to 116 segments, 10-bit ADC with capacitive voltage divider, mTouch capacitive sensing, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), two SPI/I2C modules, multiple Enhanced Capture/Compare/PWM (ECCP) modules, and a Peripheral Pin Select (PPS) system that reassigns digital peripheral pins in firmware. The nanoWatt XLP technology delivers typical sleep currents below 100 nA with RTCC and brown-out reset (BOR) retention, ideal for coin-cell-powered metering. The device uses Microchip's enhanced mid-range 8-bit CPU core with a hardware multiplier, 49 instructions, and 16-level hardware stack. The wide 1.8V-3.6V supply range (LF series) and industrial-grade -40C to +85C operating window let it ride the same battery cell from fresh through end-of-life. Internal 32kHz LFINTOSC, 16MHz HFINTOSC, and PLL options remove the need for external crystals in many cost-sensitive applications. Typical applications include battery-powered metering (water/gas/heat), electronic shelf labels, thermostat control panels, medical glucose meters, portable consumer devices with segment LCDs, capacitive-touch user interfaces, IoT sensor endpoints, and white-goods user-interface boards. The on-chip LCD driver and mTouch peripheral enable a fully integrated display-plus-touch BOM. When designing with the PIC16LF1906, allocate one PPS mapping per digital peripheral to avoid pin conflicts, observe the LCD bias network reference (typically 3x 100k resistors or the charge-pump option), and select the LFINTOSC + power-managed sleep mode to exploit XLP nanoamp currents in always-on designs. Use MPLAB X IDE with MPLAB XC8 compiler and MPLAB Snap ICD for development. This page consolidates distributor pricing, drop-in alternatives, application circuit guidance, and design notes not bundled in the Microchip datasheet.

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PIC16LF1906-I/SP - 8-bit MCU 14KB Flash LCD XLP 28-SPDIP | Microchip
PIC16LF1906-I/SP

PIC16LF1906-I/SP - 8-bit MCU 14KB Flash LCD XLP 28-SPDIP | Microchip

The Microchip Technology PIC16LF1906-I/SP is an 8-bit PIC microcontroller built on the nanoWatt XLP (eXtreme Low Power) platform, delivering 20 MHz CPU performance with 14 KB Flash program memory and 512 bytes RAM in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The device integrates an LCD driver with charge pump, 12-bit ADC with computation, multiple timers, and nanoWatt XLP technology for sub-microamp sleep currents ideal for battery-powered designs. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions from on-chip Flash memory using an 8-bit data path; it belongs to the broader hierarchy of microcontroller -> embedded processor -> semiconductor device, and PIC microcontrollers specifically use a RISC instruction set designed for deterministic execution and code-density efficiency. The PIC16LF1906-I/SP sits in the PIC16F family, which targets low-power and human-interface applications such as metering, white goods, and consumer LCD products. Key features include 14 KB (8K x 14 words) Flash, 512 bytes SRAM, 256 bytes EEPROM, an integrated LCD driver supporting up to 72 segments, a 12-bit ADC with Capacitive Voltage Divider (CVD) for touch sensing, multiple communication peripherals (I2C/SPI/EUSART), and nanoWatt XLP technology providing typical sleep currents in the hundreds of nanoamperes. The part operates from 1.8V to 3.6V, making it compatible with single-cell Li-ion and 2xAA battery chemistries. Technically, the device combines a 16-level hardware stack, an enhanced mid-range instruction set with C compiler optimizations, and configurable oscillator modes including 31 kHz internal LFINTOSC for RTC-style keep-alive operation. The 28-SPDIP package gives a robust 0.1 inch (2.54 mm) pitch suited for hand-soldered prototypes, breadboards, and educational environments where surface-mount variants like SOIC-28 or SSOP-28 would be harder to handle. Typical applications include battery-powered metering and instrumentation with LCD readout, low-power IoT sensor nodes with segmented displays, white-goods user-interface controllers, consumer electronics with LCD menus, capacitive-touch front panels using the ADC CVD feature, and remote controls or handheld devices requiring long battery life. The integrated LCD driver eliminates the need for an external LCD controller, reducing BOM cost and PCB area. When designing with this MCU, ensure decoupling capacitors (100 nF plus 10 uF bulk) are placed within 5 mm of the VDD pins and that unused I/O pins are configured as outputs low to minimize leakage. Designers should also leverage the Peripheral Pin Select (PPS) feature to remap digital peripherals, simplifying PCB routing on dense boards. Microchip's MPLAB X IDE and XC8 compiler are the standard toolchain; debugging requires an MPLAB Snap, PICkit 4, or ICD 4 programmer. This page synthesizes distributor pricing, drop-in alternatives from the same PIC16 family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF1906-I/SS - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16LF1906-I/SS

PIC16LF1906-I/SS - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF1906-I/SS is an 8-bit RISC microcontroller based on the PIC16 CPU core, featuring 14KB of Flash program memory, 512 bytes of RAM, and an integrated LCD driver in a 28-pin SSOP package. It operates at up to 20MHz instruction clock and includes 25 general-purpose I/O lines, making it suitable for compact user-interface designs. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and programmable peripherals in a single package. Within the broader semiconductor taxonomy, this PIC16LF1906 belongs to the 8-bit MCU family, which sits below 32-bit ARM Cortex-M parts in computational capability but excels in power efficiency, deterministic interrupt response, and low system cost. The PIC16LF1906 specifically uses Microchip's enhanced mid-range core and is part of the XLP (eXtreme Low Power) family, making it well-suited to battery-powered and energy-harvesting designs. Key features of the PIC16LF1906-I/SS include the nanoWatt XLP technology with sleep currents below 1 µA typical, an on-chip LCD driver supporting up to 116 segments, an integrated mTouch capacitive-sensing peripheral, 14KB self-programmable Flash, 256 bytes of EEPROM, and a wide 1.8V to 3.6V operating voltage range. The 28-SSOP narrow-body package enables reliable hand-soldering and rework while saving board space versus 28-pin PDIP alternatives. Typical applications include battery-powered consumer appliances, low-power sensor nodes, IoT edge devices, electronic shelf labels, medical measurement instruments, and any design that needs a segmented LCD interface without requiring an external driver chip. The device is supported by Microchip's MPLAB X IDE and the XC8 compiler toolchain. When designing with this part, observe the LF (low-voltage/F-range) variant's 1.8V minimum supply and pair it with the MPLAB Snap or PICkit 4 programmer for in-circuit debug. The internal 16MHz HFINTOSC can be used to eliminate an external crystal in space-constrained designs.

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PIC16LF1906T-I/MV - 8-Bit 20MHz 14KB Flash XLP MCU | Microchip
PIC16LF1906T-I/MV

PIC16LF1906T-I/MV - 8-Bit 20MHz 14KB Flash XLP MCU | Microchip

The Microchip PIC16LF1906T-I/MV is an 8-bit RISC PIC16 microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14) of Flash program memory, 512 bytes of RAM, and integrated LCD segment drive support. It operates at up to 20MHz from a 1.8V to 3.6V supply and is housed in a compact 28-pin UQFN (4x4 mm) surface-mount package with an exposed pad. The 'LF' prefix indicates the low-voltage variant optimized for battery-powered applications using Microchip's nanoWatt XLP technology. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, programmable I/O peripherals, and often analog and communication interfaces. MCUs sit within the broader embedded system hierarchy as the central processing element for products ranging from consumer appliances to industrial sensors. PIC16 microcontrollers use a Harvard-architecture RISC core with a 14-bit instruction word optimized for deterministic, low-power operation in cost-sensitive applications. Key features of the PIC16LF1906T-I/MV include 11 channels of 10-bit ADC with voltage reference, an integrated temperature indicator, an EUSART for serial communication, 25mA source/sink capable I/O pins, and up to 72 LCD segment drive support. The device also includes an internal 16MHz oscillator, one 8-bit timer (TMR0), one 16-bit timer (TMR1), an Extended Watchdog Timer (EWDT), Brown-Out Reset (BOR), and In-Circuit Serial Programming (ICSP) for production-line firmware updates. The nanoWatt XLP technology provides extreme low-power sleep currents in the microampere range, making the PIC16LF1906 well suited for battery-powered metering, portable medical devices, and remote sensor nodes. The integrated LCD driver eliminates the need for an external LCD controller, reducing BOM cost and PCB area in display-based products such as thermostats, weighing scales, and handheld instruments. Typical applications include battery-powered consumer electronics, IoT sensor nodes with LCD displays, electronic shelf labels, smart thermostats, portable medical monitoring devices, and industrial control panels. The combination of low power, integrated LCD, and small UQFN package makes the part especially attractive for space-limited, battery-driven HMI designs. When designing with the PIC16LF1906T-I/MV, ensure the exposed thermal pad is properly soldered to a sufficient copper pour on the PCB to meet the package's thermal and electrical grounding requirements. Use Microchip's MPLAB X IDE and the MPLAB Snap, PICkit, or ICD programmer for in-circuit debug and firmware development. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC16LF family, and practical design notes not consolidated in any single manufacturer datasheet, providing an integrated decision resource for component selection.

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PIC16LF1906T-I/SO - 8-bit MCU, 14KB Flash, LCD, XLP | Microchip
PIC16LF1906T-I/SO

PIC16LF1906T-I/SO - 8-bit MCU, 14KB Flash, LCD, XLP | Microchip

The Microchip PIC16LF1906T-I/SO is an 8-bit Flash-based CMOS microcontroller from the PIC16F family, featuring 14KB of program memory, 512 bytes of RAM, and an integrated LCD driver, housed in a 28-pin SOIC (SO) wide-body package. The device operates from 1.8V to 3.6V, runs at up to 20 MHz internal oscillator, and is built on Microchip's nanoWatt XLP extreme-low-power technology for battery-friendly designs. A PIC16F-series microcontroller is an 8-bit RISC-based MCU using a modified Harvard architecture with separate program and data buses, which lets the CPU fetch the next instruction while accessing data memory in the same cycle. Within the broader taxonomy, PIC16LF1906 belongs to the PIC16F family, which itself sits under the PIC microcontroller hierarchy, then to 8-bit microcontrollers, MCUs, microprocessors, and finally to embedded semiconductors. The 'LF' prefix denotes the low-voltage (1.8V-3.6V) process variant, while 'XLP' (eXtreme Low Power) is Microchip's branded nanoWatt technology that delivers sub-microamp sleep currents. Key features include 14KB (8K x 14 words) of self-programmable Flash, 512 bytes of data SRAM, 256 bytes of EEPROM, an integrated segmented LCD driver with charge pump, a 10-bit ADC with up to 17 channels, and multiple serial interfaces (I2C/SPI, EUSART). The 'T' suffix designates a Tape & Reel packaging option for high-volume SMT assembly, while 'I' indicates the industrial -40C to +85C operating temperature range, and 'SO' specifies the 28-pin 7.50 mm wide SOIC package. The architecture combines a 16-level hardware stack, 49 instructions, and a 31 kHz to 20 MHz internal oscillator that supports PLL operation. Peripherals include multiple 8-bit and 16-bit timers, comparators, a master synchronous serial port (MSSP) configurable as SPI or I2C, and an enhanced universal synchronous/asynchronous receiver/transmitter (EUSART). The integrated LCD driver supports up to 116 segments with variable contrast and a charge pump for low-voltage operation. Typical applications include battery-powered consumer products such as thermostats and remote controls, industrial metering and sensor front-ends with on-glass LCD readouts, IoT edge nodes that sleep for years on a single cell, white-goods user interfaces, and portable medical monitoring devices. The wide -40C to +85C industrial temperature range and XLP nanoWatt sleep modes below 1 uA make it particularly attractive for always-on, energy-harvesting, or coin-cell powered designs. When designing with this part, allocate PCB area for the ICSP/ICD programming/debug header because every PIC16LF1906 ships blank and requires Microchip's MPLAB X IDE plus a programmer (PICkit, ICD, or Snap) to load firmware. Plan decoupling: a 100 nF ceramic on VDD close to the pin, plus a bulk 1-10 uF on AVDD, is a safe baseline. Total Flash endurance is rated at 100K erase/write cycles, so reserve EEPROM for frequently-changed parameters. This page synthesizes distributor pricing (Heisener, LCSC, DigiKey), drop-in package alternatives (28-SOIC), and practical design notes not found in the standalone manufacturer datasheet to help engineers evaluate the PIC16LF1906T-I/SO in days rather than weeks.

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PIC16LF1906T-I/SS - 14KB Flash LCD 8-bit MCU | Microchip
PIC16LF1906T-I/SS

PIC16LF1906T-I/SS - 14KB Flash LCD 8-bit MCU | Microchip

The Microchip PIC16LF1906T-I/SS is a 28-pin SSOP-packaged 8-bit PIC microcontroller from the PIC® XLP™ 16F family, featuring 14KB of Flash program memory, 512 bytes of RAM, and an integrated LCD driver. It operates up to 20MHz from a 1.8V to 3.6V supply, making it part of the nanoWatt XLP (eXtreme Low Power) family engineered for battery-powered and energy-harvesting designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADC, timers, communication ports, LCD driver) into one package. The PIC16LF1906 belongs to the 8-bit PIC mid-range family — within the broader hierarchy of microcontrollers (8-bit MCU → PIC microcontroller → PIC16 family → PIC16F190x sub-family → semiconductor). The "LF" prefix denotes the low-voltage, low-power variant, while the trailing "T" denotes tape-and-reel packaging for high-volume assembly. Key features include 14KB (8K × 14 words) of self-programmable Flash, 512 bytes of RAM, 256 bytes of EEPROM, a 10-bit ADC with up to 11 channels, an integrated LCD driver supporting up to 116 segments, multiple communication peripherals (I2C/SPI/EUSART), and nanoWatt XLP technology with sleep currents down to approximately 50 nA. The device includes an on-chip 32kHz oscillator, multiple timer modules, and an enhanced mid-range 14-bit instruction set. The PIC16LF1906 employs a RISC architecture with a 14-bit instruction word and an 8-bit data path, providing predictable timing suitable for real-time control. The integrated LCD driver eliminates the need for an external LCD controller, reducing BOM cost and PCB area. The nanoWatt XLP technology offers multiple low-power modes (Run, Idle, Sleep, and Deep Sleep), making it well suited to applications where average current draw must remain in the microamp range. Typical applications include battery-powered consumer products with LCD displays such as thermostats, portable medical monitors, utility metering, electronic shelf labels, and IoT sensor nodes with embedded segment LCDs. Designers value the part's ability to drive a glass LCD directly while consuming minimal quiescent current, enabling years of operation from a single coin cell. When designing with the PIC16LF1906T-I/SS, ensure the chosen LCD segment multiplex configuration matches the panel's COM/SEG count. Use the MPLAB Code Configurator (MCC) plug-in to set up the LCD charge pump and waveform timing, and budget adequate decoupling on VDD/AVDD to support the LCD charge-pump switching transients. This page synthesizes distributor pricing, drop-in PIC16LF190x family alternatives, and practical design notes not consolidated on the manufacturer product page.

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PIC16LF1907-E/MV - 14KB Flash 8-bit MCU with LCD | Microchip
PIC16LF1907-E/MV

PIC16LF1907-E/MV - 14KB Flash 8-bit MCU with LCD | Microchip

The Microchip PIC16LF1907-E/MV is a 14KB Flash, 512B RAM, 8-bit PIC microcontroller in a 40-pin UQFN (5x5 mm) package, featuring nanoWatt XLP extreme low-power technology and an integrated LCD driver. The 'LF' prefix indicates the wide-Vdd 1.8V-3.6V operating range optimized for battery-powered designs, and the -E suffix designates the -40C to +125C industrial temperature grade. The 'MV' suffix denotes the 40-terminal UQFN (HVQCCN, 5x5x0.5 mm) surface-mount package. An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU, Flash program memory, RAM, and peripherals on one die, executing instructions one byte at a time. PIC microcontrollers use a modified Harvard RISC architecture with separate program and data buses, which historically delivered higher code density and deterministic interrupt latency than CISC alternatives. Within the broader taxonomy, the PIC16LF1907 belongs to the PIC16 family -> 8-bit PIC MCUs -> microcontrollers -> embedded processors -> semiconductors. Key features include a 20 MHz internal oscillator, 14 KB of self-programmable Flash (8K x 14 words), 512 bytes of RAM, 256 bytes of EEPROM, an integrated LCD controller with up to 116 segments, a 10-bit ADC with up to 14 channels, multiple Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and I2C/SPI peripherals, and Microchip's nanoWatt XLP sleep currents as low as 20 nA. The 40-UQFN package provides a compact, lead-free footprint suited to space-constrained consumer and industrial designs. The device uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, allowing each Flash location to hold one 14-bit PIC instruction. This produces measurable code-density advantages over 8-bit instruction MCUs from 8051-class competitors. The integrated LCD driver supports both static and multiplexed bias modes, eliminating external segment drivers for small-display modules such as appliance front panels and metering readouts. Typical applications include battery-powered sensor nodes, household appliance user interfaces with LCD readout, industrial metering, IoT edge nodes, wearable health monitors, and remote controls. The nanoWatt XLP feature set allows multi-year operation from a single coin cell when the MCU spends most of its time in Sleep. When designing the PCB, route the 40-UQFN's exposed thermal pad (EP) to a continuous ground copper pour to provide both thermal dissipation and a low-impedance ground reference. Microchip's MPLAB X IDE with XC8 compiler, the PICkit 4 / MPLAB Snap programmers, and the MPLAB Code Configurator peripheral library accelerate firmware bring-up for this family.

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PIC16LF1907-E/PT - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16LF1907-E/PT

PIC16LF1907-E/PT - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16LF1907-E/PT is an 8-bit PIC16 microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14 words) of Flash program memory, 512 bytes of RAM, and a maximum CPU clock of 20MHz, housed in a 44-pin TQFP (10x10 mm) package. The 'LF' prefix denotes the low-voltage / low-power variant supporting operation from 1.8V to 3.6V, while the 'E' suffix indicates the -40°C to +125°C extended operating temperature grade. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), working memory (RAM), non-volatile data memory (EEPROM), and a rich set of on-chip peripherals such as timers, ADC, communication interfaces, and I/O. MCUs sit at the lowest tier of the embedded computing hierarchy and are the primary building blocks of every modern embedded system. The PIC® XLP™ (eXtreme Low Power) family extends this by offering nanoWatt sleep currents below 50 nA, making these parts well-suited to battery-powered and energy-harvesting designs. Key features of the PIC16LF1907-E/PT include integrated LCD drive support, an on-chip 10-bit ADC, multiple Enhanced USART, I²C, and SPI interfaces, and the nanoWatt XLP technology that delivers sub-microamp sleep currents. The 44-pin TQFP package provides generous I/O count (36 I/O pins) while remaining hand-solderable for prototypes, and Microchip's extensive MPLAB X IDE ecosystem (XC8 compiler, MPLAB Snap debugger) makes firmware development low-friction. Architecturally, the device uses Microchip's enhanced mid-range 8-bit RISC core with a 14-bit instruction word and a hardware multiplier, allowing compact code and efficient C compilation. The XLP technology combines multiple low-power modes (Sleep, Idle, Doze) with peripheral clock gating, allowing wake-up event-driven operation that can extend battery life from years to decades depending on duty cycle. Typical applications include battery-powered consumer devices, industrial sensor nodes, low-cost LCD user interfaces, home automation, IoT edge nodes, and metering. The integrated LCD driver simplifies designs that need a small alphanumeric or segment display without an external charge-pump IC. When designing with this part, ensure the configured clock source (internal LF oscillator or external crystal) matches your power-budget and timing-accuracy needs. Decoupling capacitors (100 nF + 10 µF bulk) must be placed within a few millimetres of VDD/AVDD pins, and unused I/O should be configured as outputs low to minimise current leakage. This page synthesises distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet, giving procurement and engineering teams a single reference for sourcing and qualifying the PIC16LF1907-E/PT.

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PIC16LF1907-I/MV - 8-bit MCU 14KB Flash LCD XLP 40-UQFN | Microchip
PIC16LF1907-I/MV

PIC16LF1907-I/MV - 8-bit MCU 14KB Flash LCD XLP 40-UQFN | Microchip

The Microchip Technology PIC16LF1907-I/MV is an 8-bit Flash-based CMOS microcontroller in the PIC16F family, offering 14KB of program memory (8K x 14 words), 512 bytes of SRAM, and an integrated LCD driver. Housed in a 40-pin UQFN (5x5 mm) package, the device runs at up to 20 MHz instruction throughput and supports a wide operating voltage range of 1.8V to 3.6V typical for the LF (low-power) variant, with nanoWatt XLP (eXtreme Low Power) technology enabling sleep currents down to the sub-microamp range. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and integrated peripherals. Within the broader taxonomy, the PIC16LF1907 is an 8-bit RISC microcontroller belonging to the PIC10/12/16/18/24 family of Microchip mid-range microcontrollers. This places it inside the power management + embedded control hierarchy of semiconductor devices used for sensor interfacing, display driving, and low-power IoT applications where the integrated LCD segment driver eliminates the need for an external LCD controller. Key features include 14KB self-programmable Flash, 256 bytes of EEPROM, an integrated LCD driver with charge pump and contrast control, an ADC with 10-bit resolution and multiple channels, two comparators, PWM modules, and multiple communication peripherals including EUSART, I2C, and SPI. The LF designator indicates low-voltage (1.8V-3.6V) operation optimized for battery-powered applications. The PIC16LF1907 employs a Harvard-architecture RISC core with a 14-bit instruction word. nanoWatt XLP technology integrates deep-sleep, sleep, and doze power modes plus a watchdog timer that can run from an ultra-low-power internal oscillator. The 40-UQFN package exposes an exposed thermal pad to maximize heat dissipation in surface-mount designs. Typical applications include battery-powered LCD-based consumer electronics (thermostats, scales, metering), portable instrumentation, IoT sensor nodes, low-power remote controls, and home appliances where an integrated LCD driver reduces bill-of-materials cost. When designing with this part, ensure the supply decoupling is generous (0.1 uF ceramic adjacent to each VDD/VSS pair) and that the LCD segment bias generation (charge pump or external resistor ladder) is matched to the panel specification; using the internal charge pump with external reservoir capacitors is the most compact configuration. This page synthesizes distributor inventory and pricing, drop-in Microchip same-family alternatives, and practical design notes not consolidated on the manufacturer datasheet front page.

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PIC16LF1907-I/P - 8-bit MCU, 14KB Flash, LCD, nanoWatt XLP
PIC16LF1907-I/P

PIC16LF1907-I/P - 8-bit MCU, 14KB Flash, LCD, nanoWatt XLP

The Microchip Technology PIC16LF1907-I/P is an 8-bit PIC microcontroller in the PIC® XLP™ 16F family, integrating 14KB of Flash program memory, 512 bytes of RAM, and an on-chip LCD driver in a 40-pin PDIP through-hole package. According to the verified distributor data, this device operates up to 20MHz instruction throughput from a 2.5V nominal supply (LF low-voltage variant) and is qualified to the industrial -40C to +85C temperature range (the 'I' suffix). Its ultra-low-power nanoWatt XLP technology is intended for battery- or energy-harvesting systems where sleep current is critical. An 8-bit microcontroller (MCU) is a self-contained computing element with an 8-bit data path, on-chip Flash for program storage, on-chip SRAM for data, and a rich set of peripherals such as timers, ADC, comparators, communications (UART, SPI, I2C), and increasingly integrated analog/RF functions. MCUs sit within the broader semiconductor taxonomy of embedded computing devices -> microcontrollers -> integrated circuits. Within Microchip's portfolio, the PIC16F190x family targets cost-sensitive applications that need LCD segment drivers and extreme low-power operation, bridging simple PIC10/12/16 baseline devices and higher-end PIC18/PIC24 devices. Key features of the PIC16LF1907-I/P include 14KB (8K x 14) Flash, 512 bytes RAM, an integrated LCD driver capable of driving segmented displays directly, 20MHz maximum clock, and nanoWatt XLP sleep modes that drop quiescent current into the sub-microamp range. The 40-pin PDIP package offers generous I/O for hand-wired prototypes, breadboarding, and legacy designs that prefer through-hole assembly over surface mount. The PIC16LF1907 architecture pairs a RISC-style 14-bit instruction set with a Harvard memory structure, allowing simultaneous instruction fetch and data access. The integrated LCD module can drive up to a defined number of segment and common pins (per datasheet), eliminating the need for an external LCD driver. nanoWatt XLP technology provides multiple low-power modes (Idle, Sleep, and deep Sleep variants) that allow the MCU to wake on interrupts, timer overflows, or peripheral events. Typical applications for the PIC16LF1907-I/P include battery-powered metering with LCD readouts, consumer appliances with segmented displays, handheld instrumentation, environmental sensors with LCD UI, and remote controls with low standby current. The 40-pin PDIP package is especially well suited to engineering prototypes and low-volume production runs that benefit from through-hole solderability and easy IC socket replacement. When designing with this part, ensure the supply rail stays within the LF family's voltage window, place a 0.1uF decoupling capacitor close to VDD, and route the ICSP/PGD/PGC lines for in-circuit programming and debugging. The MPLAB X IDE with XC8 compiler is the canonical toolchain; the PICkit 3/Snap or MPLAB ICD 3/4 programmers support the device family for both Flash programming and in-circuit debug. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC16LF1907T-I/PT - 8-Bit MCU, 14KB Flash, LCD, XLP | Microchip
PIC16LF1907T-I/PT

PIC16LF1907T-I/PT - 8-Bit MCU, 14KB Flash, LCD, XLP | Microchip

The Microchip Technology PIC16LF1907T-I/PT is an 8-bit PIC® microcontroller from the PIC16LF1907 family featuring nanoWatt XLP ultra-low-power technology, 14KB (8K x 14 words) of Flash program memory, 512 bytes of RAM, and an integrated LCD driver, housed in a 44-pin TQFP (PT) package measuring 10x10 mm. It executes instructions at up to 20 MHz from an internal oscillator, supporting operating voltages of 1.8V to 3.6V (LF low-voltage variant) for battery-powered designs. A PIC microcontroller (Peripheral Interface Controller) is a family of 8-bit RISC microcontrollers from Microchip featuring Harvard architecture, separate program and data buses, and a compact instruction set optimized for embedded control. The PIC16F190X family sits in the mid-range PIC16 lineup (PIC10/12/16/18 hierarchy), offering a balance of low power, peripheral integration, and small footprint; the 'LF' prefix denotes the wide-voltage low-power variant, and 'XLP' (eXtreme Low Power) is Microchip's branded nanoWatt technology achieving quiescent currents in the microamp range for sleep states. Key features include 14KB Flash program memory, 512 bytes RAM, an integrated LCD driver supporting up to 116 segments, a 10-bit ADC with up to 17 channels, multiple communication peripherals (EUSART, MSSP I2C/SPI), and nanoWatt XLP sleep currents typically below 1 uA. The 'T' suffix denotes Tape & Reel packaging for high-volume assembly. Internally, the PIC16LF1907 uses an enhanced mid-range 8-bit core with a hardware multiplier, 16-level hardware stack, and configurable oscillator block supporting internal 16 MHz HFINTOSC, 31 kHz LFINTOSC, and external crystal modes. The integrated LCD driver includes charge pump and voltage regulator blocks enabling direct glass driving without external bias components. Typical applications include battery-powered consumer products with segment LCDs (thermostats, scales, remote controls), industrial sensor transmitters with LCD readouts, low-power IoT edge nodes, metering and instrumentation displays, and white-goods user interfaces. The XLP technology is specifically engineered to extend coin-cell battery life beyond five years in intermittent-duty applications. When designing with this device, budget I/O pins carefully - the 44-pin TQFP exposes 36 GPIO lines but several are multiplexed with the LCD segment outputs, requiring pin allocation trade-offs when both LCD and digital I/O are required.

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PIC16LF19155-E/SP - 32MHz 8-bit MCU 14KB Flash XLP | Microchip
PIC16LF19155-E/SP

PIC16LF19155-E/SP - 32MHz 8-bit MCU 14KB Flash XLP | Microchip

The Microchip Technology PIC16LF19155-E/SP is an 8-bit RISC PIC16 microcontroller running up to 32MHz with 14KB (8K x 14) of Flash program memory, 1KB of SRAM, and 256 bytes of Data EEPROM, housed in a 28-pin SPDIP (Skinny Plastic DIP, 0.300 inch/7.62 mm) through-hole package. The '-LF' prefix indicates the wide-voltage 1.8V-3.6V core optimized for XLP (eXtreme Low Power) operation, with eXtreme Low-Power peripherals aimed at coin-cell and battery-powered designs. The '-E' suffix denotes the -40C to +125C extended operating temperature range, while the '/SP' package code is the 28-pin SPDIP. A PIC (Peripheral Interface Controller) microcontroller is a class of single-chip microcontrollers built around Harvard-architecture RISC cores with on-chip Flash, RAM, EEPROM, and mixed digital/analog peripherals; the PIC16 family is the mid-range tier of Microchip's 8-bit portfolio, positioned between PIC10/12/16 baseline and PIC18 enhanced cores, and is widely used in general-purpose and low-power embedded applications. PIC microcontrollers belong to the broader category of microcontrollers -> embedded processors -> semiconductor devices, and dominate the 8-bit MCU market alongside 8051 derivatives and AVR. Key features include a 12-bit ADC with computation (ADC2), two 5-bit DACs, two comparators, an 8-bit DAC, a Hardware Limit Timer (HLT), a Windowed Watchdog Timer (WWDT), CRC/SCAN memory integrity checking, and Core Independent Peripherals (CIPs) such as CWG, NCO, and PWM that can operate without CPU intervention. The device provides up to 24 GPIO pins, supports eXtreme Low-Power sleep currents in the sub-uA range with multiple low-power modes (DOZE, IDLE, SLEEP), and integrates an LCD driver (on LCD variants of the family) plus a charge pump for regulated LCD bias generation on the LCD-equipped siblings. The PIC16LF19155 architecture pairs a 14-bit instruction word with a Harvard bus, providing deterministic instruction timing and a streamlined peripheral set that allows complex functions to be implemented in hardware without CPU overhead. The XLP design supports battery voltages down to 1.8V and includes peripheral modules that retain state in sleep, allowing wake-on-event operation that minimizes total system energy. Typical applications include low-power IoT sensor nodes, battery-powered LCD user interfaces, home appliances, remote controls, security panels, energy-harvesting endpoints, and consumer handhelds where sub-uA sleep and integrated Core Independent Peripherals reduce BOM cost. The 28-pin SPDIP package also makes the part a drop-in for DIP-socketed legacy designs and breadboard prototyping. When designing with this part, ensure decoupling follows the Microchip PIC16LF19155 datasheet typical-application circuit (typically 0.1uF plus bulk 1-10uF on VDD), and use the MPLAB XC8 compiler with the latest PIC16F19155 device pack to access ADC2, HLT, and WWDT libraries. The Device ID and Configuration Words must be set per application; lock bits should be configured after firmware is finalized. Pay attention to the 1.8V minimum VDD at full speed - operation below 2.0V typically requires the lower 32 kHz LF oscillator or reduced FOSC. This page synthesizes distributor pricing as of 2026-09-25, a 28-pin SPDIP drop-in alternatives analysis, parametric comparisons against PIC16LF1902/1903/1906, and practical design notes that complement the manufacturer datasheet.

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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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