इंटीग्रेटेड सर्किट्स

PIC16LF627T-04/SO

PIC16LF627T-04/SO - 4MHz 8-bit Flash MCU, 16 I/O, SOIC-18 | Microchip

The Microchip Technology PIC16LF627T-04/SO is a FLASH-based 8-bit CMOS microcontroller from the PIC16F627 family, housed in an 18-pin SOIC (SO) package. It delivers up to 4 MHz maximum clock frequency, 1.75 KB (1024 x 14) of FLASH program memory, and 224 bytes of data RAM, with 16 programmable I/O lines for general-purpose interfacing. The "LF" prefix indicates the low-voltage (2.0V-5.5V) variant of the PIC16F627 family, ideal for battery-powered designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (FLASH/ROM), data RAM, and peripherals onto one silicon die. Within the broader semiconductor taxonomy, an MCU is a subset of microprocessors; the PIC16F627 family specifically uses Microchip's enhanced mid-range 8-bit RISC core with 35 instructions and a 14-bit instruction word. MCUs sit hierarchically as: microcontroller -> embedded processor -> semiconductor IC, and they form the decision-making heart of nearly every embedded electronic product. Key features of the PIC16LF627T-04/SO include 16 I/O pins with individually programmable direction, two analog comparators with programmable on-chip voltage reference, three timers (Timer0, Timer1, Timer2), a universal synchronous/asynchronous receiver-transmitter (USART), an internal 4 MHz oscillator option, and a watchdog timer with its own on-chip RC oscillator for reliable operation. Brown-out Detect (BOD), Power-on Reset (POR), Power-up Timer (PWRT), and Oscillator Start-up Timer (OST) provide robust system initialization. The device draws microamp-level sleep current, suiting it for low-power applications. Architecturally, the PIC16LF627 uses a Harvard-style modified RISC core with separate program and data buses, allowing instruction fetch and data access in the same cycle. The 14-bit wide FLASH enables single-word instructions and compact code density; peripherals are memory-mapped for predictable access timing. The CMOS process delivers low static power consumption and wide operating voltage tolerance. Typical applications include remote controls, sensor interfaces, small appliance controls, LED lighting drivers, battery-powered instrumentation, and IoT edge nodes. The combination of analog comparators, PWM, and USART supports closed-loop motor control, signal conditioning, and wired connectivity. In a 4-layer SOIC layout, the chip can serve as a cost-optimized main controller for sub-$10 end products. When designing with this part, ensure decoupling capacitors (typically 100 nF) are placed within 5 mm of VDD/VDD2, and reserve the MCLR pin through a proper reset circuit (10 kohm pull-up to VDD with a diode to VPP for in-circuit serial programming). Use MPLAB X IDE with XC8 compiler for software development. This page synthesizes distributor pricing, drop-in alternatives in the SOIC-18 footprint, and practical design notes not found in the manufacturer datasheet alone, providing an engineering-ready view for procurement and design validation.

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PIC16LF627T-04I/SO

PIC16LF627T-04I/SO - 4MHz 8-bit Flash MCU, 1.75KB | Microchip

The Microchip Technology PIC16LF627T-04I/SO is an 8-bit flash-based CMOS microcontroller from the PIC16F family, featuring a RISC core running up to 4 MHz instruction rate and housed in an 18-pin SOIC package supplied on tape and reel. It integrates 1.75 KB (1K x 14 words) of flash program memory, 224 bytes of SRAM, and 128 bytes of EEPROM data memory, with 16 general-purpose digital I/O pins supporting individual direction control and high-current sink/source for direct LED drive. What is an 8-bit flash microcontroller? An 8-bit flash microcontroller is a small single-chip computer built around an 8-bit data path, with non-volatile flash program memory that can be re-written in-circuit. The PIC16LF627T sits within the broader hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> PIC16 family -> PIC16F6xx sub-family, where 'LF' denotes a low-voltage (2.0-3.6 V typical) variant optimized for battery-powered designs. Flash-based MCUs replaced older OTP and ROM parts because they support field firmware updates and shorter development cycles. Key features include a wide operating voltage range of 2.0 V to 5.5 V (the LF prefix), a 4 MHz internal oscillator option, two analog comparators with a programmable on-chip voltage reference, a Watchdog Timer with its own internal RC oscillator, Power-on Reset, Brown-out Detect, and Power-up Timer. The 16 I/O pins can be individually configured with weak programmable pull-ups on PORTB, and the device supports in-circuit serial programming (ICSP) for field updates. Two 8-bit and one 16-bit timer/counter modules provide flexible event timing. Architecturally, the PIC16LF627 uses a Harvard RISC architecture with a 14-bit instruction word and a single accumulator (W) plus 224-byte data RAM. The integrated USART (SCI) with dedicated baud-rate generator simplifies asynchronous serial communication, while the analog comparator block enables threshold detection and small-signal conditioning without external op-amps. The internal 4 MHz RC oscillator reduces BOM cost by eliminating an external crystal in many designs, though an external crystal/oscillator mode remains available for timing-critical applications. Typical applications include battery-powered sensor nodes, simple appliance control, IR remote transmitters/receivers, low-cost LED controllers, automotive body electronics (non-safety), and industrial monitoring where cost and low quiescent current dominate design priorities. The 'LF' voltage range (down to 2.0 V) makes it well-suited to 2xAA or coin-cell powered devices. When designing with this MCU, remember that the 'T' suffix denotes tape-and-reel packaging, the '04' speed grade indicates the 4 MHz maximum instruction rate, and the 'I' indicates the industrial -40C to +85C temperature range. Code-protect fuses should be configured for production units to prevent firmware readout. This page synthesizes distributor pricing, drop-in PIC16F6xx alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a 360-degree reference for engineers selecting, sourcing, and qualifying this part.

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PIC16LF627T-04I/SS

PIC16LF627T-04I/SS - 4MHz PIC16 8-bit MCU, 1.75KB Flash | Microchip

The Microchip Technology PIC16LF627T-04I/SS is an 8-bit RISC Flash microcontroller from the PIC16F62X family, delivering 4 MIPS performance at 4 MHz with 1.75 KB (1K x 14) of Flash program memory and 224 bytes of SRAM data memory. Housed in a 20-pin SSOP (5.30 mm body) surface-mount package, it operates from a wide 2.0V to 5.5V supply range that supports 2.5V, 3.3V, and 5V rails, making it suitable for both battery-powered and line-powered designs. The 04 speed grade denotes a 4 MHz maximum oscillator input, and the I suffix denotes an industrial -40C to +85C operating temperature range. What is an 8-bit Flash microcontroller? An 8-bit Flash microcontroller is a small, self-contained computer-on-a-chip that integrates a CPU, non-volatile Flash program memory, volatile SRAM, and peripherals such as timers, comparators, and I/O. Within the broader taxonomy, it sits under microcontroller -> embedded controller -> semiconductor IC. Flash-based MCUs dominate low-power and cost-sensitive designs because they support in-circuit re-programming without an external ROM, and the 8-bit class remains popular where deterministic interrupt response and code density matter more than raw throughput. Key features of the PIC16LF627T-04I/SS include a Harvard RISC architecture with only 35 single-cycle instructions, 16 bidirectional digital I/O pins with high-current sink/source for direct LED drive, two analog comparators with programmable on-chip voltage reference, a 16-bit timer/counter (TMR1) plus an 8-bit timer (TMR0), a Watchdog Timer with its own on-chip RC oscillator, Power-on Reset, Brown-out Detect, and programmable weak pull-ups on PORTB. The integrated USART supports RS-232/RS-485 communication without an external transceiver for short-run links. Architecturally, the device uses a 14-bit instruction word with an 8-bit data path and a separate program/data bus, eliminating the Von Neumann bottleneck. The Flash program memory supports up to 100K erase/write cycles and retains data for more than 40 years, enabling field-upgradable firmware. The CMOS process combined with nanoWatt-style power management delivers typical active current below 2 mA at 4 MHz, supporting portable and remote applications. Typical applications include industrial control logic, sensor signal conditioning, appliance front-panel controllers, automotive interior accessories (non-safety), battery-powered instrument front-ends, and remote sensor nodes. The integrated comparators make it a strong fit for threshold detectors and analog-front-end triggers. Designers should note that the SSOP-20 footprint requires careful thermal relief on the PCB and that decoupling capacitors (0.1 uF plus 10 uF bulk) must be placed within 5 mm of VDD/VSS to ensure stable Brown-out Detect behavior across load transients. This page combines distributor inventory and pricing, drop-in cross-reference alternatives, and engineering design notes beyond the manufacturer datasheet summary.

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PIC16LF628-04I/P

PIC16LF628-04I/P - 4MHz 8-bit Flash MCU, 18-PDIP | Microchip

The Microchip Technology PIC16LF628-04I/P is an 8-bit Flash-based CMOS microcontroller from the mid-range PIC16 family, packaged in a 18-pin PDIP (through-hole) tube format. It features 3.5 KB (2K x 14) of Flash program memory, 224 bytes of RAM, and 128 bytes of EEPROM data memory, all driven by a RISC architecture executing 35 single-word instructions in 200 ns. Operating at 4 MHz maximum clock speed, the LF variant supports a wide 2.0V to 5.5V supply range suited to battery-powered and 3.3V designs, while offering 16 digital I/O pins with individual direction control and high-current sink/source for direct LED drive. A microcontroller (MCU) is a single-chip computer integrating a processor core, program memory, data memory, and programmable I/O peripherals. The PIC16LF628 sits within Microchip's mid-range 14-bit PIC family, which sits hierarchically inside the broader 8-bit PIC architecture, itself a subset of the broader microcontroller category of embedded computing ICs. The integrated EEPROM and Flash allow field-upgradeable firmware storage without external memory. Key features include a Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST), Brown-out Detect (BOD) for safe low-voltage operation, and a Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation. Two analog comparators with a programmable on-chip voltage reference and input multiplexing enable signal-conditioning tasks without external analog ICs. The device also offers an internal 4 MHz RC oscillator, programmable weak pull-ups on PORTB, and a multiplexed MCLR pin. The PIC16LF628 is fabricated on a low-power CMOS process, with nanoWatt-style power management extending battery life in standby. Program memory endurance is rated for typical Flash write/erase cycles per Microchip specifications, while EEPROM endurance supports separate write-cycle ratings. The instruction set is fully compatible with the PIC16 mid-range family, easing code portability to larger pin-count siblings. Typical applications include industrial control logic, appliance controls, sensor signal conditioning, low-power remote controls, battery-powered instrumentation, and small consumer electronics where a small through-hole footprint is desirable for hand-prototyping or service-replaceable modules. Designers often choose the PDIP package for development boards and field-replaceable modules where socketed installation simplifies firmware iteration. When designing with this device, allocate pins carefully: the ICSP clock and data pins are multiplexed with PORTB, so any in-circuit programmer must be considered when laying out ISP headers. Confirm the LF voltage range covers your battery's end-of-life voltage, and budget decoupling capacitance near VDD. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF628-04I/SS

PIC16LF628-04I/SS - 8-Bit 4MHz PIC MCU, 3.5KB Flash | Microchip

The Microchip Technology PIC16LF628-04I/SS is an 8-bit Flash-based CMOS microcontroller from the PIC16F family, operating at up to 4 MHz instruction rate from a 2.0–5.5 V supply and packaged in a 20-pin SSOP (5.30 mm body, 0.65 mm pitch). It integrates 3.5 KB (2K × 14) of Flash program memory, 224 bytes of RAM, and 128 bytes of EEPROM, with 16 general-purpose digital I/O pins, two analog comparators with programmable on-chip voltage reference, a USART, and a Capture/Compare/PWM (CCP) module. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, I/O peripherals, and clock/timer subsystems into one package. PIC16 series microcontrollers use Microchip's enhanced mid-range RISC Harvard architecture with a 14-bit instruction word optimized for deterministic, single-cycle execution of most opcodes, making the family well-suited for compact, low-power embedded control. The 'LF' prefix denotes an extended-voltage variant covering 2.0–5.5 V, and the 'I' suffix indicates the industrial temperature range (-40 °C to +85 °C). Key features of the PIC16LF628-04I/SS include an internal 4 MHz RC oscillator (calibrated to ±1%), a Watchdog Timer with its own on-chip RC oscillator, Brown-out Detect (BOD), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) for reliable reset behavior, programmable weak pull-ups on PORTB, and an ICSP™ (In-Circuit Serial Programming) interface. The device supports sleep mode with wake-on-change I/O for battery-friendly operation, and each I/O pin can source/sink up to 25 mA for direct LED drive. Architecturally the part provides two 8-bit timers (Timer0, Timer2) and one 16-bit timer (Timer1), a 10-bit resolution PWM channel, and an internal voltage reference programmable for the comparator module. These resources make the device a strong fit when designers need more analog and serial capability than the PIC12/PIC16F627 baseline offers, but do not need the ADC peripheral or larger Flash of the PIC16F88/PIC16F88A family. Typical applications include appliance control boards, sensor signal conditioning front-ends, low-cost motor/relay drivers, LED lighting controllers, automotive body electronics (non-safety), remote controls, and battery-powered instruments. With 16 I/O, a USART, and two analog comparators, the part bridges the gap between the smaller PIC16F627 and the larger PIC16F88A in cost-sensitive 20-pin designs. A key design consideration is supply decoupling: place a 0.1 µF ceramic bypass capacitor within 5 mm of VDD, and add a bulk capacitor (≥10 µF) on the main rail. The MCLR pin must be tied to VDD through a 10 kΩ pull-up unless ICSP is used, in which case the standard ICSP circuit applies. Avoid leaving unused I/O pins floating — configure them as outputs or enable the internal weak pull-ups to minimize current consumption in sleep. This page synthesizes distributor pricing, verified pin-compatible drop-in alternatives, and practical PCB layout guidance not consolidated in the manufacturer datasheet, giving procurement and embedded engineers a single decision-ready reference for the PIC16LF628-04I/SS.

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PIC16LF628A-I/ML

PIC16LF628A-I/ML - 8-bit 20MHz 3.5KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC16LF628A-I/ML is a FLASH-based 8-bit CMOS microcontroller built on the PIC16 RISC core, offering 20 MHz operation, 3.5 KB (2K x 14) of program Flash memory and 224 bytes of SRAM, in a 28-pin QFN (6x6 mm) package with an exposed thermal pad. The 'LF' family variant is the low-power counterpart to the PIC16F628A, designed to operate across a wide 2.0 V to 5.5 V supply range with nanoWatt sleep current typically used in battery-powered and energy-harvesting designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working RAM, non-volatile EEPROM, and a set of peripherals (timers, ADC, USART, comparators) into one package. The PIC16 family is one of Microchip's mid-range MCU architectures, positioned between the baseline PIC10/12/16 and the high-performance PIC18/PIC24/dsPIC families in the broader embedded microcontroller hierarchy (8-bit MCU -> microcontroller -> embedded IC -> semiconductor). The 'LF' variant targets low-voltage and ultra-low-power applications where every microamp of quiescent current matters. Key features include 128 bytes of data EEPROM, 16 digital I/O pins, two analog comparators, a capture/compare/PWM (CCP) module, a USART with hardware addressing, and a 10-bit ADC on selected ports. Internal 4 MHz and 37 kHz oscillators are provided, and an external oscillator is supported. The 35 instructions set and 14-bit instruction word keep code density high while the Harvard RISC pipeline executes most instructions in one instruction cycle. Typical applications include remote controls, sensor interface modules, small motor/relay drivers, low-end security keypads, hobby robotics, and battery-powered instrumentation where the wide 2.0-5.5 V supply simplifies single-cell Li-ion or 2x AA design. The 28-QFN (ML) footprint also enables compact PCB layouts in space-constrained consumer and IoT nodes. When designing with this part, allocate the 16 GPIO wisely - several pins are multiplexed with the ADC, comparators, oscillator and the ICP/CCP/peripheral functions. Place decoupling on VDD/AVDD/VSS/AVSS, follow Microchip's QFN-6x6 land pattern for thermal relief, and use ICD/ICSP headers for in-circuit debug. This page combines distributor pricing, drop-in 28-QFN alternatives, and design notes to give a faster path to a BOM decision than the manufacturer datasheet alone.

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PIC16LF628A-I/P

PIC16LF628A-I/P - 8-Bit 20MHz Flash MCU 3.5KB | Microchip

The Microchip Technology PIC16LF628A-I/P is an 8-bit RISC PIC16 family microcontroller featuring 3.5KB (2K x 14) of Flash program memory, 224 bytes of SRAM, and 128 bytes of EEPROM data memory, housed in a 18-pin PDIP (0.300 inch, 7.62mm) through-hole package. It executes instructions in a 200 ns cycle time (20 MHz oscillator) and operates from 2.0V to 5.5V with nanoWatt technology for ultra-low-power sleep modes. An 8-bit microcontroller (MCU) is a small computing system on a single integrated circuit that integrates a CPU, RAM, Flash program memory, EEPROM, timers, and peripherals such as ADC, UART, and GPIO. PIC microcontrollers follow the RISC (Reduced Instruction Set Computer) philosophy with only 35 single-word instructions, simplifying code generation in assembly or C (XC8). The PIC16 family sits between the baseline PIC10/12/16 series and the enhanced PIC18/dsPIC families in the Microchip 8-bit hierarchy, making it a workhorse for cost-sensitive embedded designs. Key features include 16 digital I/O pins capable of driving LEDs directly, two analog comparators with programmable on-chip reference, a USART module for serial communication, capture/compare/PWM (CCP) modules, and three timers (Timer0, Timer1, Timer2). The internal 4 MHz oscillator eliminates the need for an external crystal in many designs, while the internal 48 kHz LF oscillator enables the nanoWatt sleep modes drawing only nA-level standby current. Architecturally, the PIC16LF628A uses a Harvard bus structure with separate code and data paths, a 14-bit instruction word, and 8-bit data paths. The 'LF' variant supports the wide 2.0V to 5.5V operating range needed for battery-powered designs, distinguishing it from the PIC16F628A which is specified 2.0V to 5.5V with different Flash endurance and voltage characteristics. The part is fully software- and pin-compatible with the PIC16F628A, the PIC16C62XA, the PIC16C5X, and the PIC12CXXX families. Typical applications include appliance controls, hobby and educational projects, sensor signal conditioning, low-power remote controls, automotive body electronics, and any cost-sensitive embedded node requiring Flash reprogrammability. Designers choose it when 14-bit PIC instruction set familiarity, broad third-party tool support, and wide memory headroom for firmware updates matter. When designing, ensure the MCLR pin is pulled high through a 10 kohm resistor for normal run mode and consider using the internal oscillator with a 100 nF decoupling capacitor at VDD to suppress digital switching noise from corrupting the analog comparator reference. The CCP and USART peripherals share pins in some configurations, so re-read the pin allocation table before committing to a board layout. This page synthesizes distributor pricing, a same-package alternative matrix, and practical design notes not found in the manufacturer datasheet, giving an engineer a one-stop decision tree for selecting, sourcing, or replacing the PIC16LF628A-I/P.

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PIC16LF628A-I/SO

PIC16LF628A-I/SO - 8-bit MCU, 3.5KB, 20MHz, nanoWatt | Microchip

The Microchip Technology PIC16LF628A-I/SO is an 8-bit flash-based CMOS microcontroller in the PIC16 family, delivering 20 MHz (200 ns instruction cycle) performance from a 3.5 KB (2K x 14) flash program memory with 224 bytes of RAM and 128 bytes of EEPROM data memory, housed in an 18-pin SOIC (SO) wide-body package. It is part of Microchip's nanoWatt Technology portfolio, integrating a 4 MHz internal oscillator, a 16-bit instruction set with only 35 single-word instructions, and 16 digital I/O pins. A PIC microcontroller (Programmable Interface Controller) is a family of 8-bit, 16-bit, and 32-bit RISC microcontrollers from Microchip Technology that use a Harvard architecture with separate program and data buses. The PIC16 mid-range family sits within the broader PIC8 microcontroller -> RISC microcontroller -> microcontroller hierarchy, and is widely used in cost-sensitive embedded control applications requiring deterministic execution, low power consumption, and ease of programming via Microchip's MPLAB X IDE ecosystem. Key features include 2.5V to 5.5V wide operating voltage (LF denotes the low-voltage F-version), internal 4 MHz oscillator with software-selectable 48 kHz LF oscillator for ultra-low-power modes, 10-bit ADC, two analog comparators with rail-to-rail inputs, USART, capture/compare/PWM (CCP) module, and nanoWatt power management with sleep current as low as 100 nA typical. The 18-pin SOIC package is industry-standard and supports both hand-soldering and reflow manufacturing. The PIC16LF628A uses an enhanced mid-range 14-bit instruction core with hardware multiply, interrupt context save/restore, and In-Circuit Serial Programming (ICSP) via two pins. It is upward source-compatible with PIC16F628, PIC16C62XA, PIC16C5X, and PIC12CXXX devices, enabling easy migration and reuse of legacy code. The flash program memory supports 100K erase/write cycles typical and 40-year data retention. Typical applications include consumer electronics remote controls, battery-powered sensor nodes, automotive body and interior modules, small appliance motor control, security and alarm system keypads, and industrial control logic. The wide 2.5V-5.5V supply range makes it well suited for 3.3V and 5V mixed-voltage designs. Design consideration: ensure decoupling capacitors (100 nF ceramic plus 10 uF bulk) are placed within 5 mm of the VDD pin and that unused I/O pins are configured as outputs with low level to minimize sleep current. Designers should also budget for the 128 bytes of EEPROM write endurance (100K cycles typical) when designing parameter storage subsystems. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including a curated comparison table, application-specific design recommendations, and verified cross-brand equivalents.

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PIC16LF628A-I/SS

PIC16LF628A-I/SS - 8-bit Flash MCU 3.5KB 224B RAM SSOP-20 | Microchip

The Microchip Technology PIC16LF628A-I/SS is an 8-bit Flash-based CMOS microcontroller from the PIC16 family (PIC16F6XX series), built on Microchip's RISC architecture with nanoWatt power management technology, delivered in a 20-pin SSOP (Shrink Small Outline Package, 0.300 inch body width) for surface-mount assembly. It integrates 3.5 KB of program memory, 224 bytes of RAM, and 128 bytes of data EEPROM, executes instructions at 200 ns per cycle from a 20 MHz external clock, and offers 16 digital I/O pins plus a hardware USART, internal 4 MHz oscillator, and a 10-bit ADC-less analog comparator for analog signal conditioning. The "LF" prefix denotes an extended low-voltage operating range of 2.0V to 5.5V, with active supply currents below 100 µA/MIPS in real-world firmware profiles thanks to nanoWatt sleep, run, and idle modes. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, integrating a CPU, non-volatile program memory (Flash), volatile data RAM, non-volatile data EEPROM, and peripheral IP such as timers, USART, ADC, comparators and I/O pins. PIC16F microcontrollers belong to the wider class of RISC microcontrollers -> microcontrollers -> embedded processors -> semiconductors, sitting beneath 32-bit Cortex-M parts in compute power but above bare timer/logic ICs in programmable flexibility. They are typically deployed for state-machine control, sensor conditioning, and protocol bridging in cost-sensitive 5V/3.3V designs. Key differentiating features include 35 single-word instructions for easy programming in MPLAB X IDE, ICSP (In-Circuit Serial Programming) for field updates, a 100,000 erase/write cycle Flash endurance rating, and nanoWatt modes that drop sleep current to roughly 100 nA. The integrated analog comparator eliminates an external op-amp in many sensor front-ends, and 128 bytes of EEPROM provides non-volatile parameter storage without an external serial EEPROM. Typical applications include industrial control loops, remote sensor nodes, white-goods and appliance control boards, automotive body electronics (non-safety), low-power IoT edge devices, battery chargers, and hobby/maker projects where PIC16 heritage code is being migrated from older through-hole DIP packages to surface-mount production boards. Designers appreciate the migration path because the SSOP-20 footprint preserves the same pin-out as the legacy 18-pin PIC16F628 family extended to 20 pins. When designing with this MCU, allocate the 224-byte RAM budget carefully - the 8-bit stack and PIC16's banking scheme place hard ceilings on local arrays and string processing. Decouple VDD with a 0.1 µF ceramic capacitor adjacent to the package, and keep the MCLR pin pulled to VDD through a 10 kΩ resistor unless in-circuit debug is required. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the SSOP-20 footprint, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16LF628AT-I/ML

PIC16LF628AT-I/ML - 8-bit PIC MCU, 3.5KB Flash, 20MHz | Microchip

The Microchip Technology PIC16LF628AT-I/ML is an 8-bit PIC RISC microcontroller with 3.5 KB Flash program memory, 224 bytes RAM, and 128 bytes EEPROM, housed in a 28-pin QFN-EP (6x6 mm) package with exposed pad. It operates from 2.0V to 5.5V with a maximum clock rate of 20 MHz and 16 digital I/O pins, integrating a 10-bit ADC, two analog comparators, USART, and Capture/Compare/PWM modules for embedded control. A PIC microcontroller is a Harvard-architecture RISC MCU built around a small, deterministic instruction set optimized for low cost, low power, and fast interrupt response. PIC16F-series parts sit in the mid-range PIC family between baseline PIC10/12/16 and the high-performance PIC18/dsPIC families. They are widely used in consumer appliances, automotive body controllers, industrial sensors, and battery-powered IoT nodes where predictable real-time behavior, small footprint, and mature toolchains (MPLAB X, XC8) matter more than raw MIPS. Key features of the PIC16LF628AT-I/ML include 35 instructions, 8-level hardware stack, internal 4 MHz and 37 kHz oscillators, nanoWatt power-down modes, in-circuit serial programming (ICSP), and a wide -40C to +85C industrial temperature range. The internal oscillator eliminates external crystals in cost-sensitive designs, while the on-board EEPROM provides non-volatile user data storage without external memory. nanoWatt technology with multiple idle and sleep modes keeps quiescent current in the microamp range for battery applications. The architecture combines a RISC core with dedicated peripheral set: two analog comparators with programmable reference, 10-bit ADC up to 8 channels, 16 I/O with individual direction control, and a USART for asynchronous/synchronous serial. Capture, Compare, and PWM modules support motor control, signal timing, and lighting control. Self-programming under software control enables field firmware upgrades via the on-chip Flash memory. Typical applications include consumer remote controls, sensor interfaces, automotive body electronics, LED lighting drivers, security systems, small motor control, and general-purpose 8-bit embedded control. The exposed-pad QFN package suits space-constrained designs, while the industrial -40C to +85C range supports outdoor and automotive under-hood operating environments. When designing with this device, allocate adequate copper area under the exposed pad (EP) of the QFN package for thermal dissipation and provide 0.1uF ceramic bypass capacitors close to each power pin. Use MPLAB X IDE with the XC8 compiler and a PICkit programmer for development, and validate timing-critical ISRs against the instruction-cycle budget of the 20 MHz core. This page consolidates distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster path from datasheet to production-ready BOM.

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PIC16LF628AT-I/SO

PIC16LF628AT-I/SO - 8-Bit 20MHz MCU, 3.5KB FLASH, 18-SOIC | Microchip

The Microchip PIC16LF628AT-I/SO is a flash-based 8-bit CMOS microcontroller from the PIC16F family, featuring a 20 MHz maximum operating frequency, 3.5 KB (2K x 14) of flash program memory, 224 bytes of SRAM, and 128 bytes of EEPROM data memory, all housed in an 18-pin SOIC wide-body surface-mount package. The 'LF' prefix denotes the low-power variant supporting an extended 2.0V to 5.5V operating range, making the part suitable for both 3.3V and 5V designs. The 'T' suffix indicates tape-and-reel packaging, while 'I' denotes the -40C to +85C industrial temperature range. An 8-bit microcontroller (MCU) is a programmable integrated circuit that integrates a CPU core, non-volatile program memory, volatile data memory, and configurable I/O peripherals onto a single silicon die. 8-bit MCUs occupy the entry-level tier of the embedded computing hierarchy - above fixed-function logic ICs but below 32-bit microcontrollers in arithmetic throughput. Within the PIC16 family specifically, the LF628A sits in the mid-range (14-bit instruction word) PIC16 tier, positioned between the smaller PIC12/PIC16F84A legacy parts and the more modern PIC16F1xxx enhanced mid-range devices. Its RISC-based Harvard architecture executes most instructions in a single clock cycle, giving it competitive code density per MHz compared with traditional CISC 8-bit cores. Key features include 16 I/O pins with individually configurable direction registers, an integrated 4 MHz internal oscillator (calibrable), two 8-bit timers plus one 16-bit timer, a 10-bit ADC-free analog comparator block, a USART for serial communication, and Microchip's nanoWatt Technology for sleep currents below 1 uA. The device supports in-circuit serial programming (ICSP) via two pins, enabling firmware updates without removing the part from the PCB. Code protection lock bits prevent unauthorized memory reads, and the watchdog timer with its own on-chip RC oscillator provides an independent recovery mechanism for software lockups. Typical applications include low-cost consumer appliance controllers, battery-powered remote sensors, hobbyist and educational development platforms, simple motor control loops, LED drivers, and replacement of legacy 8051 or PIC16F84A designs. The wide voltage range and nanoWatt sleep modes also support energy-harvesting designs where quiescent current directly determines battery life. Industrial designers favor the part for its long-term Microchip supply commitment and its mature, well-documented toolchain (MPLAB X, XC8 compiler, PICKit programmers). When designing with this part, observe the absolute maximum Vdd of 5.5V - exceeding this rating destroys the part. Use 100 nF decoupling within 5 mm of the Vdd pin and place the MCLR pull-up (typically 10 kohm) close to the pin to avoid spurious resets. The internal oscillator is factory-calibrated to within 1% of nominal, but for UART timing above 9600 baud, select the crystal oscillator mode and provide a 4x or higher baud-rate crystal. This page synthesizes current distributor pricing, drop-in same-package alternatives, and design considerations that the manufacturer datasheet alone does not provide.

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PIC16LF628AT-I/SS

PIC16LF628AT-I/SS - 8-Bit 20MHz MCU 3.5KB Flash | Microchip

The Microchip Technology PIC16LF628AT-I/SS is an 8-bit flash-based CMOS microcontroller from the PIC16 family, featuring 3.5KB (2K x 14) of Flash program memory, 224 bytes of RAM, and 128 bytes of EEPROM data memory. It runs at up to 20MHz instruction clock, integrates a 16 I/O pin set, and is housed in a 20-pin SSOP (Shrink Small Outline Package, 5.30 mm body width) for surface-mount designs. The LF prefix denotes the extended low-voltage operating range of 2.0V to 5.5V, and the 'A' suffix denotes the second-generation silicon revision with nanoWatt power management. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The 8-bit PIC16 family is part of Microchip's mid-range RISC architecture, positioned between the baseline PIC10/PIC12 and the enhanced PIC18 families, and serves as a workhorse for cost-sensitive embedded designs across consumer, industrial, and automotive after-market segments. Key features include a Harvard RISC architecture with 35 single-cycle instructions, an internal 4MHz oscillator (calibrated to ±1%), a hardware USART for serial communication, an analog comparator with two inputs, a capture/compare/PWM module, and nanoWatt Technology for ultra-low-power sleep currents as low as 100nA typical. The 20 MHz instruction rate delivers 5 MIPS of throughput, while 16 I/O pins each support independent weak pull-ups, interrupt-on-change, and digital-only or analog-comparator routing. The PIC16LF628A silicon integrates a precision 4 MHz internal RC oscillator, removing the need for external crystals in many designs. The on-chip comparator can generate interrupts, trigger timer capture, or wake the device from sleep. Brown-out reset (BOR) and power-on reset (POR) circuitry protect Flash integrity at low supply voltages, while the ICD2/ICD3 debug interface allows in-circuit programming and breakpoint debug through two reserved pins. Typical applications include remote control transmitters, sensor interface nodes, low-power battery sensor hubs, small appliance controllers, and hobby robotics. Its 2.0V minimum supply also suits single-cell lithium or two-AA-battery products where voltage headroom is constrained. When designing with this MCU, observe the 2.0V to 5.5V supply range and derate maximum Fosc above 4V (20 MHz @ 4V+; 4 MHz @ 2V). Reserve RA4/T0CKI and RA5/MCLR/VPP pin functions carefully, as they share I/O with programming/debugging functions. The 20-pin SSOP is a 0.65 mm pitch package that requires standard SMT reflow and inspection. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF628T-04/SS

PIC16LF628T-04/SS - 4MHz 8-bit MCU 3.5KB Flash | Microchip

The Microchip PIC16LF628T-04/SS is an 8-bit RISC flash-based CMOS microcontroller delivering 4 MIPS performance at 4 MHz, housed in a 20-pin SSOP package with tape-and-reel packaging for high-volume assembly. It integrates 3.5 KB (2K x 14) of flash program memory, 224 bytes of SRAM, and 128 bytes of data EEPROM, while exposing 16 general-purpose digital I/O pins with individual direction control. The 'LF' prefix designates an extended low-voltage operating range of 2.0 V to 5.5 V, supporting both 3.3 V and 5 V designs from a single part number. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that integrates a CPU core, program memory, data RAM, peripheral set, and I/O into one package. Within the broader taxonomy, an 8-bit MCU sits under microcontroller -> embedded processor -> semiconductor IC, and historically serves cost-sensitive, deterministic, low-power applications where ARM Cortex-M devices would be overkill. Key features include a Harvard RISC architecture with only 35 single-cycle instructions, an integrated analog comparator module with programmable on-chip voltage reference (VREF), two 8-bit timers plus one 16-bit timer, a USART with support for RS-232/RS-485 LIN, and a 10-bit (actually 8-bit PWM-capable) capture/compare/PWM module. The device also offers an internal 4 MHz oscillator, watchdog timer with on-chip RC oscillator, in-circuit serial programming (ICSP), and high-current sink/source capable of directly driving LEDs. Architecturally, the PIC16LF628 uses a 14-bit instruction word with separate program and data buses, allowing instruction fetch and data access to occur in the same clock cycle. The '04' speed grade specifies 4 MHz operation, while the 'T' suffix denotes tape-and-reel packaging, and '/SS' indicates the 20-lead SSOP package outline (5.30 mm body width, 0.65 mm pitch). Typical applications include battery-powered sensor nodes, automotive body controllers, appliance control boards, LED lighting controllers, hobbyist and educational embedded projects, industrial remote keyless entry (RKE), and small automation controllers. The wide voltage range makes it especially attractive for designs powered by 2x AA cells, coin cells, or unregulated supplies. When designing with this part, observe that PIC16LF628 requires MPLAB X IDE or older MPLAB 8 with Hi-Tech PICC or XC8 compiler for firmware development, and that the device shares the PIC16 mid-range instruction set with hundreds of family members, easing code portability. For new designs, evaluate whether a newer PIC16F1xxx enhanced mid-range device may offer better peripherals at similar cost. This page synthesizes distributor pricing, parametric cross-reference data, and practical design notes - a one-stop reference not available in the standalone Microchip datasheet.

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PIC16LF628T-04I/SO

PIC16LF628T-04I/SO - 4MHz 8-bit PIC MCU, 3.5KB Flash | Microchip

The Microchip PIC16LF628T-04I/SO is an 8-bit RISC Flash microcontroller in the PIC16F family, delivering 4 MHz CPU performance with 3.5 KB (2K x 14) of self-programmable Flash program memory in an 18-pin SOIC (SO) wide-body package supplied on Tape & Reel. The LF (low-power F) silicon supports a 2.0V to 5.5V supply window, enabling battery-friendly designs, and the device integrates 224 bytes of SRAM plus 128 bytes of data EEPROM for non-volatile parameter storage. The part suffix "-04" denotes the 4 MHz maximum oscillator, while "I" indicates the industrial -40C to +85C operating temperature range and "T" specifies Tape & Reel packaging. What is a PIC16 microcontroller? PIC16 is Microchip's mid-range 8-bit RISC microcontroller family built on a Harvard architecture with separate program and data buses. The 14-bit instruction word PIC16 core delivers deterministic instruction timing (most instructions execute in one instruction cycle), making PIC16 devices popular for cost-sensitive embedded control where predictable timing, low power, and small footprint outweigh the throughput of 32-bit cores. Key features include 16 digital I/O pins with individually programmable direction, two analog comparators with a programmable on-chip voltage reference, a USART for asynchronous/synchronous serial communication, one 8-bit and one 16-bit timer/counter, a PWM module, and a 10-bit ADC. Brown-out Reset (BOR), Power-on Reset (POR), and a Watchdog Timer with its own on-chip RC oscillator provide three layers of system safety. nanoWatt-style power management includes a low-power SLEEP mode and multi-frequency internal oscillator to reduce external component BOM. The PIC16LF628T-04 architecture pairs the mid-range CPU with Harvard-separated Flash and EEPROM, allowing in-application self-programming via ICSP. The internal comparator reference and dual analog comparators enable standalone signal conditioning without an external op-amp, while the USART, PWM, and capture/compare peripherals cover the classic embedded-control toolbox for motor, power-converter, and sensor-interface roles. Typical applications include low-power sensor nodes, automotive body and interior subsystems, HVAC fan/valve controllers, appliance user-interface boards, battery chargers, smart LED lighting controllers, and industrial telemetry outstations. The wide 2.0V-5.5V supply range suits 3.3V and 5V mixed-rail designs alike. When designing with the PIC16LF628T-04I/SO, reserve the OSC1/OSC2 pins carefully if you need an external crystal - the internal RC oscillator can free these pins for general I/O. Programming is via ICSP using PGEDT/RB7 and PGC/RB6; ensure these pins are not held low at reset or in-circuit programming is blocked. This page synthesizes distributor pricing, same-family and cross-family drop-in alternatives, and design notes not found in the manufacturer datasheet, providing an at-a-glance comparison matrix for sourcing and migration decisions.

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PIC16LF648A-I/P

PIC16LF648A-I/P - 8-Bit 20MHz 7KB Flash MCU 18-PDIP | Microchip

The Microchip PIC16LF648A-I/P is an 8-bit flash-based CMOS microcontroller from the PIC16 family, featuring a 20MHz maximum clock speed, 7KB (4K x 14) of Flash program memory, 256 bytes of RAM, and 256 bytes of EEPROM data memory in a 18-pin PDIP through-hole package. Operating from 2.0V to 5.5V with nanoWatt technology for low-power designs, this MCU integrates peripherals including a USART, two analog comparators, a programmable voltage reference, capture/compare/PWM, and 16 digital I/O lines. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM), and integrated peripherals on one silicon die. Within the broader taxonomy, PIC16LF648A belongs to the 8-bit microcontroller category, which sits under microcontrollers, integrated circuits, and semiconductors. The "LF" prefix designates the low-voltage, low-power variant of the PIC16F648A family, employing Microchip's nanoWatt technology to minimize active and sleep-mode current consumption - a critical attribute for battery-powered and energy-harvesting applications. The device features nanoWatt low-power technology, an internal 4MHz oscillator with software calibration, in-circuit serial programming (ICSP), and a programmable brown-out reset. The nanoWatt architecture provides multiple sleep modes with current as low as 100nA typical, watchdog timer with on-chip RC oscillator, and interrupt-driven wakeup from sleep on port change - all critical for ultra-low-power embedded designs. Architecturally, the PIC16LF648A uses a Harvard RISC core with a 14-bit instruction word, single-cycle instruction execution (except branches), and a hardware multiplier-free ALU optimized for compact code density. The 35-instruction set enables deterministic interrupt latency of 4 cycles, while the 8-level deep hardware stack simplifies nested subroutine handling in C or assembly projects. Typical applications include consumer electronics remote controls, battery-powered sensor nodes, automotive interior accessories, industrial control panels, and low-cost hobbyist/maker platforms (Arduino-PIC hybrids). Designers select this part when they need an inexpensive, easy-to-program MCU with sufficient analog and digital peripherals for simple-to-moderate complexity tasks. When designing with this part, ensure decoupling capacitors (100nF + 10uF) are placed within 5mm of VDD, and that the MCLR pin is pulled up through a 10kohm resistor. For low-power designs, leverage the secondary oscillator with a 32.768kHz crystal and use the WDT wakeup source for periodic sampling.

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PIC16LF648A-I/SO

PIC16LF648A-I/SO - 8-bit 20MHz 7KB Flash MCU | Microchip

The Microchip Technology PIC16LF648A-I/SO is an 8-bit CMOS flash-based microcontroller from the PIC16 family, delivering 20MHz operation with 7KB (4K x 14) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM in a 18-pin SOIC wide-body package. Its 35 single-word instructions and 200ns instruction execution time combine RISC performance with the easy-to-program PIC architecture, while the integrated nanoWatt Technology enables ultra-low-power standby modes for battery-friendly designs. The part runs across a 2.0V to 5.5V supply voltage range, with the LF silicon specifically designed for low-voltage operation, and operates over an industrial -40C to +85C ambient temperature window. An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU, non-volatile program memory, RAM, peripherals, and I/O on one die. The PIC16 family sits in the PIC architecture taxonomy as 8-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor. The LF subfamily targets low-voltage, low-power applications, while the F variant shares the same peripherals and pinout but supports full 2.0V-5.5V operation. The -I suffix indicates the industrial temperature grade and the SO suffix indicates the 18-pin SOIC wide-body package. Peripherals include a 16-level hardware stack, two 8-bit timers and one 16-bit timer, a 10-bit ADC with up to 8 channels, an enhanced USART with auto-baud detect, an SSP module supporting SPI and I2C (master/slave), capture/compare/PWM modules, and 36 general-purpose digital I/O pins (depending on variant). The enhanced flash memory supports in-circuit serial programming (ICSP) and self-programming for field upgrades. Typical applications include consumer appliances, industrial sensor interfaces, low-power remote controls, automotive body electronics (under-hood, see Q-grade parts), and small-form-factor IoT edge nodes that benefit from <1uA sleep current. The part's interrupt-driven design and flexible oscillator options (internal 4MHz/8MHz RC or external crystal) suit both cost-sensitive and timing-critical designs. When designing with the PIC16LF648A-I/SO, place decoupling capacitors as close as possible to VDD/VSS pins, and ensure MCLR is properly decoupled to avoid spurious resets. The ICSP programming pins (RB6/RB7) must be accessible on the final PCB to enable firmware updates. For robust firmware, the configuration bits should be set early in development to lock oscillator, watchdog, and code-protect options.

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PIC16LF648AT-I/ML

PIC16LF648AT-I/ML - 8-bit PIC MCU, 7KB Flash, 256B RAM | Microchip

The Microchip Technology PIC16LF648AT-I/ML is an 8-bit Flash microcontroller based on the enhanced PIC16 mid-range core, offering 7KB of program Flash, 256 bytes of RAM, and 16 digital I/O in a 28-pin QFN (6x6 mm) package with exposed thermal pad. It runs at up to 20 MHz, delivering 5 MIPS of throughput from a wide 2.0V to 5.5V supply, with the "LF" suffix indicating the low-power, low-voltage process variant optimized for battery-friendly designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a rich set of peripheral blocks (timers, ADC, comparators, communication modules) into one IC. PIC microcontrollers from Microchip sit in the broader category of 8-bit microcontrollers, which sit in turn under embedded microcontrollers, then microprocessors, and finally semiconductors. The 16F family is the workhorse "mid-range" PIC line, positioned between the 8-bit baseline PIC10/12/16F5xx and the 16-bit PIC24/dsPIC families. Key features of the PIC16LF648AT-I/ML include the on-chip USART for asynchronous/synchronous serial communication, a 10-bit ADC with up to 8 channels, two analog comparators, capture/compare/PWM modules for motor and LED control, an internal oscillator with software-tunable frequency, and an on-chip ICD debug interface for in-circuit programming. The 256-byte data EEPROM supports non-volatile parameter storage across power cycles, eliminating external storage ICs in many designs. Architecturally, the device uses a 14-bit instruction word RISC core with a hardware multiplier for fast math on byte and bit operations, a 2-stage pipeline allowing most instructions to execute in a single 200 ns cycle, and an enhanced flash program memory interface supporting self-programming and ICSP. Brown-out reset, power-on reset, and a programmable watchdog timer with its own on-chip low-power oscillator provide robust unsupervised operation in fielded systems. Typical applications include industrial sensor signal conditioning, low-power remote-control handsets, simple home appliances, battery chargers, motor and fan controllers, low-end digital thermostats, and automotive interior accessories (non-safety). The 28-QFN footprint suits compact handheld designs where board area is at a premium. When designing with this part, plan the trace layout to route the exposed thermal pad to a copper pour to keep the junction temperature within the industrial -40C to +85C operating range, since at 20 MHz the core draws several milliamps and the small QFN body has limited heat dissipation without the pad's copper area. Configure the configuration word carefully - especially the oscillator source, watchdog enable, and code-protect bits - because changing watchdog or oscillator settings later requires re-flow with a different binary. This page synthesizes distributor pricing, same-family drop-in alternatives, application context, and practical design notes that you will not find on the bare manufacturer datasheet's front page.

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PIC16LF648AT-I/SO

PIC16LF648AT-I/SO - 8-Bit MCU, 7KB Flash, 20MHz, 18-SOIC | Microchip

The Microchip Technology PIC16LF648AT-I/SO is an 8-bit Flash-based CMOS microcontroller in the PIC16F family, featuring 7KB (4K x 14 words) of program Flash, 256 bytes of RAM, and 16 digital I/O pins, all housed in an 18-pin SOIC (7.50mm / 0.295in width) package. The LF prefix designates a low-voltage part rated for 2.0V to 5.5V operation, making it suitable for battery-powered designs, while the 20MHz maximum clock speed delivers ample throughput for typical embedded control loops. The internal 4MHz RC oscillator and dual comparator peripherals further reduce external BOM count. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash or ROM), data memory (RAM), and peripheral blocks (timers, ADC, communication interfaces) onto one silicon die. The PIC16F family uses a modified Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution except for branch instructions. Within the broader embedded taxonomy, this device sits at the intersection of microcontroller -> 8-bit MCU -> PIC16 family -> PIC16F6xx sub-family, and is targeted at applications needing moderate complexity with low power consumption. Key features include nanoWatt XLP (eXtra Low Power) technology for deep sleep current in the microamp range, an integrated 10-bit ADC, two analog comparators, a USART module, and a Capture/Compare/PWM (CCP) module. The wide 2.0V to 5.5V supply range enables direct operation from a single Li-ion cell or two AA batteries without an additional regulator. With 256 bytes of RAM and 7KB of Flash, the PIC16LF648A is positioned between the smaller PIC16F627A and the PIC16F88 in the family hierarchy. The architecture relies on a 14-bit instruction word with a hardware stack depth of 8 levels, suitable for moderately nested interrupt and call structures. Watchdog timer, brown-out reset, and in-circuit serial programming (ICSP) support reduce external component requirements and simplify firmware updates in the field. Compared to 32-bit Cortex-M0 alternatives, the PIC16LF648AT offers lower BOM cost and ultra-low sleep current at the price of throughput and ecosystem tooling. Typical applications include battery-powered sensor nodes, simple motor and solenoid control loops, consumer appliance front panels, automotive interior LED drivers, and low-cost industrial timers. The 18-SOIC package supports hand-soldering and breadboard prototyping, making the part a popular choice in educational and hobby markets. When designing with this device, place a 100nF decoupling capacitor within 5mm of VDD and consider the ICSP clock/data pin assignments early in PCB layout to avoid rework. Configure unused I/O pins as outputs low to minimize sleep current. This page consolidates distributor pricing, drop-in alternatives in the 18-SOIC footprint, and engineering design notes that supplement the manufacturer datasheet with sourcing and selection guidance.

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PIC16LF648AT-I/SS

PIC16LF648AT-I/SS - 8-bit PIC MCU, 7KB Flash, 20MHz, SSOP-20 | Microchip

The Microchip Technology PIC16LF648AT-I/SS is an 8-bit PIC16-family RISC microcontroller with 7 KB (4K x 14) of Flash program memory, 256 bytes of RAM, and 256 bytes of EEPROM data memory, housed in a 20-pin SSOP package. It operates at a maximum clock frequency of 20 MHz (200 ns instruction cycle) and supports an operating voltage range of 2.0V to 5.5V across the industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, peripherals, and I/O into one package. Within the broader hierarchy, an MCU belongs to the category of embedded processors, sitting below microprocessors (MPUs) and above digital signal controllers (DSCs). The PIC16F family from Microchip is built around a RISC Harvard-architecture core with 35 single-word instructions, optimized for deterministic real-time control in cost-sensitive embedded designs. Key features of the PIC16LF648AT-I/SS include 16 digital I/O pins, an internal 8 MHz oscillator (with factory calibration to ±1%), a 10-bit ADC with 8 channels, two 8-bit timers and one 16-bit timer, a USART module for serial communication, and an internal voltage reference. The LF prefix designates the low-voltage F-version that operates from 2.0V up. Technically, the PIC16LF648A core uses a 14-bit instruction word with a two-stage pipeline, achieving 5 MIPS peak throughput at 20 MHz. The Flash program memory supports in-circuit serial programming (ICSP) and in-circuit debugging via two pins, enabling field firmware updates and eliminating external programming hardware. The device is well suited to battery-powered and energy-conscious designs. Typical applications include consumer appliance control, battery chargers, small industrial sensors, remote controls, low-cost instrumentation, automotive interior accessories, and hobby/educational embedded projects. The wide voltage range and integrated peripherals simplify bill-of-materials in compact PCB designs. When designing with this MCU, allocate one I/O pin for the ICSP clock (RB6) and one for ICSP data (RB7) so that in-system firmware updates remain possible after board assembly. Place a 100 nF decoupling capacitor within 5 mm of the VDD pin and tie unused I/O to defined logic levels to minimize current consumption. This page synthesizes distributor pricing, drop-in SSOP-20 alternatives, parametric comparison tables, and practical design notes not typically consolidated on a single product listing, supporting faster engineering and procurement decisions.

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PIC16LF707-E/ML

PIC16LF707-E/ML - 14KB Flash 8-bit MCU, 1.8-5.5V, 44-VQFN | Microchip

The Microchip Technology PIC16LF707-E/ML is an 8-bit RISC microcontroller in the PIC16F707/PIC16LF707 family featuring 14KB of Flash program memory (8K x 14 words), 44 pins, and a 44-VQFN exposed-pad package rated for the -40C to +125C automotive temperature range. Operating from a wide 1.8V to 5.5V supply with an internal oscillator up to 16 MHz, the part combines Microchip's eXtreme Low Power (XLP) technology with integrated mTouch capacitive-touch peripherals for low-power human-interface designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals (ADC, timers, communication ports, I/O) into one package. PIC16LF devices sit within the 8-bit PIC microcontrollers -> 8-bit RISC microcontrollers -> microcontrollers -> embedded processors taxonomy, and they target ultra-low-power applications where extended battery life, capacitive touch, and small pin-count packages are mandatory. Key features include up to 16 MIPS throughput at 32 MHz instruction-cycle input, integrated capacitive-touch mTouch sensing hardware, multiple low-power sleep modes (nanowatt range) for battery-powered applications, an enhanced USART, MSSP for SPI/I2C, a 12-bit ADC with up to 14 channels, and CTMU for capacitive measurement. Compared with PIC16F variants, the LF family lowers core and I/O supply voltage to 1.8V, enabling direct Li-ion/Li-Po battery operation. Typical applications include capacitive touch key panels for white goods and consumer appliances, low-power handheld medical devices, IoT sensor nodes with touch-based wake, automotive body and HVAC controls, and capacitive proximity/metal-overlap detection modules. The 44-VQFN exposed pad improves thermal dissipation and reduces PCB footprint versus 44-pin TQFP. Designers should observe the exposed-pad PCB layout requirements of the VQFN: a contiguous ground pad, multiple thermal vias, and a 0.1uF plus 10uF decoupling network placed within millimetres of the supply pins are mandatory for brown-out-free start-up. This page synthesises verified distributor pricing (Mouser, LCSC, DigiKey), pin-compatible drop-in alternatives from the same Microchip PIC16F/LF family, and practical design notes compiled from the manufacturer datasheet to support rapid sourcing decisions.

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PIC16LF707-E/PT

PIC16LF707-E/PT - 8-bit MCU, 14KB Flash, 20MHz, 44-TQFP | Microchip

The Microchip Technology PIC16LF707-E/PT is a low-power 8-bit PIC microcontroller featuring 14KB Flash program memory, 20MHz maximum CPU speed, and a 44-pin TQFP (10x10 mm) package. It operates from 1.8V to 5.5V with an integrated 16MHz internal oscillator, targeting general-purpose embedded designs requiring XLP (eXtreme Low Power) sleep currents and rich analog integration. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and peripherals such as ADCs, timers, communication interfaces, and I/O. The 8-bit PIC16 family uses a RISC architecture with a 14-bit instruction word optimized for deterministic execution and low power, making MCUs of this class the workhorse of consumer appliances, sensor nodes, industrial controllers, and automotive body electronics. Key features of the PIC16LF707 include an integrated 16MHz high-precision internal oscillator that eliminates external crystals for many designs, an enhanced mid-range 14-bit instruction set, on-chip 10-bit ADC, multiple PWM/capture/compare (CCP/ECCP) modules, AUSART and I2C/SPI serial interfaces, and nanoWatt XLP sleep modes that drop quiescent current into the nanoampere range. The 44-pin TQFP provides 36 general-purpose I/O pins plus dedicated peripheral lines. Internally, the PIC16LF707 architecture separates program and data buses (Harvard architecture), supports self-programmability for bootloader-style updates, and offers configurable oscillator modes for switching between high-speed active operation and low-power sleep. The 'LF' designation confirms full 1.8V operation, distinguishing it from the PIC16F707 (2.5V-5.5V) variant. Typical applications include low-power sensor hubs, IoT edge nodes, battery-powered instrumentation, capacitive-touch human interfaces, LED lighting controllers, and industrial control front-ends. The wide voltage range makes it suitable for both 3.3V and 5V mixed-signal systems. When designing with this device, budget flash and RAM carefully against your application code size - 14KB Flash (8K x 14) and 363 bytes RAM are modest but adequate for state-machine style firmware. Always enable the brown-out reset (BOR) and watchdog timer for robust field operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF707-I/ML

PIC16LF707-I/ML - 14KB Flash 8-bit MCU, 44-pin QFN | Microchip

The Microchip Technology PIC16LF707-I/ML is a low-power 8-bit RISC flash microcontroller with 14 KB of program memory and 363 bytes of RAM, housed in a 44-pin HVQCCN (QFN) exposed-pad package. It operates from 1.8 V to 3.6 V supply with internal oscillator support up to 16 MHz, integrating mTouch capacitive sensing, nanoWatt XLP extreme-low-power technology, AUSART, I2C/SPI, CCP, and a 14-channel 8-bit ADC. An 8-bit PIC microcontroller is a compact, deterministic computing core built on a Harvard RISC architecture, optimized for embedded control tasks where predictable timing, low power, and small footprint dominate. Within the broader taxonomy it sits below 32-bit ARM Cortex-M MCUs in complexity but above discrete logic in capability, filling the gap in cost-sensitive and power-constrained designs such as consumer white goods, sensor interfaces, and human-machine input panels. The 'LF' prefix denotes a wide-voltage, low-power variant suitable for battery-powered or energy-harvesting systems, distinguishing it from the F-variant that shares the same pinout but operates only at 2.3 V-5.5 V. Key features include hardware capacitive touch sensing via the on-chip mTouch module (no external touch IC needed), nanoWatt XLP sleep currents below 1 microampere, an integrated 16 MHz internal oscillator eliminating the external crystal in most designs, and a 14-channel 8-bit ADC for direct sensor conditioning. Peripherals include two comparators, an 8/16-bit timer, MSSP for I2C/SPI, an enhanced USART (AUSART) for RS-232/RS-485 links, and dual capture/compare/PWM modules for motor or LED control. The 44-pin QFN package gives compact PCB mounting with a thermal pad for heat spreading. The PIC16LF707 uses a 14-bit instruction word RISC core with a hardware stack and 35 single-word instructions, supporting interrupt-driven or polled firmware. Integrated POR, BOR, WDT, and low-voltage detection simplify firmware safety, while ICSP (In-Circuit Serial Programming) allows end-of-line firmware updates without removing the device. Typical applications include capacitive touch user interfaces, low-power IoT sensor nodes, home appliance control panels, LED lighting controllers, and battery-powered instrumentation. The mTouch and XLP combination makes it well suited to mains-powered or battery-driven touch HMIs. When designing with this device, bypass VDD with a 100 nF ceramic capacitor close to the IC and tie the exposed pad (EP) to a solid ground plane for thermal and electrical stability. Verify the supply headroom if the application runs near the 1.8 V lower limit; deep-sleep XLP modes require careful peripheral gating in firmware to achieve the datasheet's nanoamp quiescent currents. This page synthesizes distributor pricing, drop-in alternatives, and engineering design notes drawn from the Microchip PIC16(L)F707 datasheet, providing practical context that the bare datasheet alone does not.

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PIC16LF707-I/MV

PIC16LF707-I/MV - 8-bit MCU, 14KB Flash, mTouch, 40-UQFN | Microchip

The Microchip Technology PIC16LF707-I/MV is an 8-bit PIC microcontroller featuring 14KB Flash program memory, an integrated mTouch capacitive touch sensing peripheral, and a 32-channel Capacitive Sensing Module (CSM), housed in a 40-pin UQFN (5x5 mm) package with industrial -40C to +85C temperature grade. An 8-bit microcontroller (MCU) is a small, low-cost computer-on-a-chip built around an 8-bit data path and is one of the most widely deployed computing platforms in embedded systems. Within the broader taxonomy, the PIC16LF707 sits under: microcontroller -> 8-bit MCU -> PIC16 family -> mid-range PIC16F/LF -> Microchip mid-range MCU architecture. These devices integrate CPU core, non-volatile Flash program memory, RAM, EEPROM data memory, and a rich set of peripherals (ADC, timers, communication, touch sensing) into a single IC, replacing discrete logic and reducing BOM cost. Key features include 14KB Flash (8K x 14 words), 20MHz maximum CPU clock, an integrated 16MHz internal oscillator (no external crystal required), 8-bit ADC with multiple channels, Capture/Compare/PWM (CCP) modules, hardware I2C/SPI and AUSART (Enhanced USART) serial interfaces, and Microchip's XLP (eXtreme Low Power) technology that delivers nanoWatt standby currents. The mTouch peripheral supports up to 32 capacitive touch channels, enabling robust touch button, slider, and proximity sensor implementations without external touch ICs. The PIC16LF707 utilizes Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, providing deterministic interrupt latency and Harvard bus architecture. The device operates from 1.8V to 3.6V (the 'LF' low-voltage variant of the PIC16F707, which extends to 5.5V), making it suitable for battery-powered applications where the wider Vdd range and lower minimum voltage extend runtime on depleted cells. XLP technology enables deep sleep currents in the sub-microamp range, critical for always-on touch-sensing user interfaces in IoT and consumer appliances. Typical applications include capacitive touch user interfaces for appliances and consumer electronics, mTouch button replacement panels, capacitive proximity sensors, low-power IoT sensor nodes, battery-powered home automation controls, white goods control boards, and human-machine interface (HMI) front panels in industrial equipment. The wide operating voltage also makes it suitable for USB-powered embedded devices running from regulated 3.3V rails. When designing with the PIC16LF707-I/MV, ensure the PCB layout follows UQFN grounding recommendations: a continuous ground plane under the exposed pad (EP) is mandatory for thermal dissipation and electrical performance. Decouple VDD with a 100nF ceramic capacitor placed within 3mm of the supply pin, and add a bulk 1uF-10uF capacitor near the regulator. For mTouch designs, follow Microchip's AN1258 and AN1478 application notes for sensor PCB layout and noise immunity guidelines. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single manufacturer or distributor page, providing engineers and procurement specialists with the consolidated information needed for component selection and BOM management.

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PIC16LF707-I/P

PIC16LF707-I/P - 8-bit 20MHz 14KB Flash MCU 40-PDIP | Microchip

The Microchip Technology PIC16LF707-I/P is an 8-bit Flash microcontroller from the PIC16F707/PIC16LF707 family, featuring 14 KB of program memory, 1.8 V to 3.6 V supply operation, and an integrated LCD driver in a 40-pin PDIP through-hole package. The device executes instructions at up to 20 MHz from an internal 16 MHz oscillator and is designed around Microchip's nanoWatt eXtreme Low Power (XLP) technology, making it suitable 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 EEPROM), and programmable peripheral interfaces on one silicon die. The PIC16LF707 belongs to the PIC16 mid-range 8-bit family, sitting hierarchically within Microchip's broader product tree of 8-bit PIC MCUs > 16-bit PIC24 and dsPIC > 32-bit PIC32. Its peripheral set includes a 14-channel 8-bit ADC, multiple Capture/Compare-to-PWM (CCP/ECCP) modules, an mTouch capacitive touch sensing peripheral, AUSART, I2C, SPI, and an LCD driver capable of driving up to 192 segments. Key differentiating features include 36 I/O pins, 8 K x 14 words of Flash program memory, hardware LCD segment driver, ultra-low-power sleep modes (down to approximately 20 nA), and on-chip debugging via the In-Circuit Serial Programming (ICSP) interface. The 40-pin PDIP form factor is through-hole with a 2.54 mm pin pitch and a maximum seated height of 1 mm above the PCB. Operating temperature spans -40C to +85C industrial grade. Architecturally, the PIC16LF707 uses a Harvard RISC core with a 14-bit instruction word, single-cycle execution except for branches, a hardware multiplier, and an interrupt controller with 31 sources. The LCD driver integrates charge pumps, contrast bias generation, and configurable timing to drive segment LCDs directly without an external driver IC. Typical applications include battery-powered consumer products with segment LCD displays, home appliances (washing machines, microwave ovens), industrial control panels, metering equipment, low-cost embedded user interfaces, capacitive touch sensing keypads, and low-power IoT sensor nodes with visual feedback. The wide operating voltage range (1.8 V to 3.6 V) permits direct connection to two alkaline cells, a single Li-ion cell, or a 3.3 V regulated system rail. When designing, place a 100 nF decoupling capacitor within 5 mm of VDD, route the MCLR pull-up to VDD via 10 kohm, and reserve space for an ICSP header for in-field firmware updates.

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PIC16LF707-I/MV - 8-bit MCU, 14KB Flash, mTouch, 40-UQFN | Microchip

PIC16LF707-I/P - 8-bit 20MHz 14KB Flash MCU 40-PDIP | Microchip