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PIC16F818-E/P - 8-Bit 20MHz PIC MCU 1.75KB Flash | Microchip
PIC16F818-E/P

PIC16F818-E/P - 8-Bit 20MHz PIC MCU 1.75KB Flash | Microchip

The Microchip PIC16F818-E/P is an 8-bit CMOS Flash-based PIC16 family microcontroller in a 18-pin PDIP through-hole package, executing instructions at 20MHz with 200ns instruction cycle. It integrates 1.75KB (1K x 14 words) of Flash program memory, 128 bytes of SRAM, 128 bytes of EEPROM data memory, and a 10-bit Analog-to-Digital converter with 5 input channels, all in a single 18-pin PDIP package. A microcontroller (MCU) is a single-chip computer containing a CPU, program and data memory, programmable I/O, and one or more peripherals such as timers, ADC, and serial interfaces. PIC microcontrollers use a RISC Harvard architecture with separate program and data buses, where each instruction executes in one instruction cycle, giving deterministic timing. The PIC16F818 sits in Microchip's mid-range PIC16F family, between the smaller PIC12/PIC14 series and the larger PIC18 family. It is one of the earliest "enhanced" 18/20-pin mid-range Flash MCUs from Microchip, succeeding the older PIC16C7x and PIC16C62xA OTP parts. Key features of the PIC16F818-E/P include: 8MHz internal oscillator with calibration, on-board EEPROM with 1 million erase/write cycles typical, nanoWatt technology for low-power operation with several idle/sleep modes, one Capture/Compare/PWM (CCP) module, a Synchronous Serial Port (SSP) configurable as SPI or I2C, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), and in-circuit serial programming (ICSP) via two pins. The 10-bit ADC with 5 channels allows direct interfacing with analog sensors such as temperature, light, and voltage signals. Typical applications include consumer appliance control, sensor signal conditioning, low-cost data acquisition, battery-powered remote controls, automotive interior modules, and hobby/educational embedded designs. The 18-pin PDIP form factor is breadboard-friendly and widely used in development boards and prototyping. When designing with the PIC16F818-E/P, pay attention to the 5V supply requirement and the 20MHz maximum clock. For applications above 5.5V supply or harsh environments, the PIC16F818-I/P (industrial -40C to +85C) or PIC16F818-H versions may be required. The internal oscillator can replace external crystals in many cost-sensitive applications, freeing the two oscillator pins as general-purpose I/O. Power consumption is dominated by clock speed and active peripherals; nanoWatt sleep modes can reduce quiescent current to microampere levels.

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PIC16F818-E/SO - 8-bit 20MHz MCU, 1.75KB Flash | Microchip
PIC16F818-E/SO

PIC16F818-E/SO - 8-bit 20MHz MCU, 1.75KB Flash | Microchip

The Microchip Technology PIC16F818-E/SO is an 8-bit PIC microcontroller built on the enhanced mid-range Harvard architecture with nanoWatt power management, delivering 20 MHz instruction throughput (200 ns instruction cycle) in an 18-pin SOIC wide-body package. It integrates 1.75 KB (1K x 14) of Flash program memory, 128 bytes of SRAM, 128 bytes of EEPROM data memory, and 16 general-purpose digital I/O pins. An 8 MHz internal oscillator (factory calibrated) plus 5 channels of 10-bit A/D conversion make it well-suited to mixed-signal front ends where board area and BOM cost are at a premium. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path and a Harvard memory architecture that separates program and data buses; the PIC16F818 family occupies the enhanced mid-range tier of Microchip's PIC16 portfolio, sitting below the PIC18 in raw performance and above the baseline PIC10/12/16 in peripheral integration. The -E suffix indicates an extended operating temperature range of -40 °C to +125 °C, qualifying the part for industrial and harsh-environment designs that exceed the 85 °C ceiling of the standard -I parts. Key features include one 8-bit and one 16-bit timer/counter with a configurable Capture/Compare/PWM module, a synchronous serial port configurable as either 3-wire SPI or 2-wire I²C, an internal 8 MHz oscillator with PLL-free operation, and 10 source/sink current capability on selected I/O. The nanoWatt technology reduces quiescent current below typical MCU averages during sleep, enabling battery-friendly duty-cycled sensor applications. Brown-out Reset, Power-on Reset, and Watchdog Timer with on-chip RC oscillator are integrated to improve system robustness without external supervision parts. Architecturally the device uses a 14-bit instruction word with single-cycle execution for most opcodes, an 8-level hardware stack for subroutines, and direct/indirect/relative addressing modes. The 10-bit ADC achieves approximately 1 LSB DNL/INL with successive-approximation conversion, while the synchronous SSP block supports both Master/Slave SPI and Master/Slave I²C with 7-bit or 10-bit addressing. Typical applications include industrial sensor interfaces, low-cost motor control nodes, battery-powered instrumentation, and consumer appliance user-interface controllers where the 18-pin footprint, integrated ADC, and extended temperature grade simplify compliance. Designers also deploy it in HVAC controls, security peripherals, and small-form-factor IoT edge nodes where PCB real estate and unit cost dominate component selection. The device is supported by MPLAB X IDE, the XC8 compiler, and a mature ecosystem of application libraries. When designing with this part, choose decoupling per the Microchip PIC16F818/819 datasheet: place a 100 nF ceramic capacitor within 5 mm of VDD, keep the MCLR pull-up close to the pin, and avoid routing high-current switching traces adjacent to the analog AVSS/AVDD pair to preserve ADC accuracy. The wide SOIC body (0.295 in / 7.5 mm) eases hand-prototyping but consumes more board area than the SSOP or QFN variants. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F818-E/SS - 20MHz 8-Bit Flash MCU | Microchip Technology
PIC16F818-E/SS

PIC16F818-E/SS - 20MHz 8-Bit Flash MCU | Microchip Technology

Microchip Technology PIC16F818-E/SS is an 8-bit CMOS Flash microcontroller with a 20 MHz maximum operating frequency, 1.75 KB (1K x 14 words) of program memory, 128 bytes of RAM, and 16 I/O pins in a 20-pin SSOP package. The -E suffix identifies the extended-temperature grade, while /SS identifies the SSOP package. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, I/O ports, and peripherals into one device. The PIC16F818 belongs to the PIC16 family of 8-bit RISC microcontrollers, a level of the broader embedded-controller hierarchy that sits between simple fixed-function logic and higher-performance 16- or 32-bit processors. Its small memory footprint and compact package make it appropriate for compact control systems, sensor interfaces, and low-cost embedded products. The PIC16F818-E/SS provides 128 bytes of EEPROM data memory, a capture/compare/PWM peripheral, and a synchronous serial port configurable for either 3-wire SPI or 2-wire I²C communication. Five 10-bit analog-to-digital converter channels support direct sensing of analog inputs. An 8 MHz internal oscillator is identified by Microchip, while the product listing also identifies support for operation up to 20 MHz. Its 35 single-word instruction set and 200 ns instruction execution capability support compact, responsive embedded control routines. The device is particularly useful when a design needs several mixed-signal inputs but only modest code and data storage. The 10-bit ADC provides four times the resolution of an 8-bit converter, helping preserve small analog-signal changes. The configurable SPI or I²C interface allows the controller to communicate with sensors, displays, memories, and other digital peripherals. PWM and capture/compare functions can support motor, lighting, timing, or signal-generation tasks without requiring separate peripheral devices. Typical applications include environmental monitoring, industrial control panels, compact sensor nodes, consumer appliances, and low-cost embedded instruments. The 128-byte EEPROM is useful for retaining calibration values, configuration data, counters, or operating history when nonvolatile storage is required. The internal oscillator also reduces external component count in designs that do not require a precise external timebase. Board design should reserve the complete 20-pin SSOP land pattern and follow the pin assignments and decoupling guidance in the manufacturer datasheet. Confirm the operating voltage, oscillator, programming, and peripheral limits against the exact device revision before releasing a layout. Treat the SSOP as a surface-mount package with fine-pitch leads and plan assembly access for programming and inspection. This product page combines the manufacturer specifications with purchasing guidance, same-footprint alternatives, interface-focused application descriptions, and design guidance. Those engineering details help distinguish an electrically similar MCU from a genuinely pin-compatible replacement and make the PIC16F818-E/SS easier to evaluate for embedded-control projects.

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PIC16F818-I/ML - 8-Bit MCU, 20MHz, 1.75KB Flash, 28-QFN | Microchip
PIC16F818-I/ML

PIC16F818-I/ML - 8-Bit MCU, 20MHz, 1.75KB Flash, 28-QFN | Microchip

The Microchip Technology PIC16F818-I/ML is an 8-bit PIC microcontroller built on a RISC architecture, delivering 20 MHz maximum clock speed (200 ns instruction cycle), 1.75 KB of Flash program memory (1K x 14 words), and 128 bytes of SRAM with 128 bytes of EEPROM data memory, housed in a 28-pin QFN (6x6 mm) package with industrial temperature grade (-40C to +85C). What is a PIC16 microcontroller? The PIC16 family is a line of 8-bit CMOS Flash-based microcontrollers from Microchip Technology using a Harvard RISC architecture that executes single-cycle instructions. Within the broader hierarchy, a PIC16F sits below PIC18/PIC24/PIC32 devices and is typically chosen for cost-sensitive embedded control. The 'F' suffix denotes Flash program memory and '18' denotes 1.75 KB code space; the family uses the standard mid-range 14-bit instruction set. Key features include 16 I/O pins with individual direction control, 5 channels of 10-bit Analog-to-Digital conversion (ADC), a capture/compare/PWM (CCP) module, an 8 MHz internal oscillator, and NanoWatt power management technology. The device supports both Master Synchronous Serial Port modes: 3-wire SPI and 2-wire I2C, selectable via configuration bits, making it ideal for sensor and peripheral expansion. The PIC16F818-I/ML implements the enhanced mid-range 14-bit core with 35 single-word instructions, upward code compatibility with PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12CXXX devices. The Harvard architecture separates program and data buses for single-cycle instruction throughput, while the NanoWatt feature set includes multiple idle and sleep modes that reduce quiescent current for battery-powered applications. Typical applications include battery chargers, SMPS controllers, fan controllers, motor control loops, sensor interface boards, and consumer appliance controls. The combination of internal oscillator, ADC, and PWM peripherals enables single-chip closed-loop control without external components. The wide operating voltage range (2.0V to 5.5V) supports both 3.3V and 5V rails common in mixed-signal designs. When designing with this device, allocate the analog and digital supply pins (AVDD/AVSS) to a clean rail with proper decoupling, and place a 0.1 uF ceramic bypass capacitor adjacent to each VDD/VSS pair. The internal oscillator accuracy of +/- 1% typical is adequate for UART and timing applications but should not be used where precision timing is required without calibration. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC16F818 family, and practical design notes that complement the manufacturer datasheet.

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PIC16F818-I/MLTSL - 8-bit 20MHz MCU 1.75KB Flash 28-QFN | Microchip
PIC16F818-I/MLTSL

PIC16F818-I/MLTSL - 8-bit 20MHz MCU 1.75KB Flash 28-QFN | Microchip

The Microchip Technology PIC16F818-I/MLTSL is a 28-pin QFN-packaged 8-bit PIC16F-series Flash microcontroller running up to 20MHz instruction cycle, integrating 1.75KB (1K x 14) of Flash program memory, 128 bytes of SRAM and 128 bytes of EEPROM data memory. The "-I" suffix indicates the industrial operating temperature grade of -40C to +85C, and the "ML" package code denotes a 6x6 mm QFN-28 surface-mount land pattern. The part is engineered for low-power embedded applications using Microchip's nanoWatt power-management technology with sleep currents well below 1 uA in typical configurations. An 8-bit microcontroller (MCU) is a single-chip microprocessor whose internal data path, registers and ALU are eight bits wide, optimized for deterministic control tasks, low power consumption and ease of programming in C or assembly. Within the broader semiconductor taxonomy, an 8-bit MCU belongs to microcontrollers -> embedded processors -> microprocessors -> semiconductors, sitting beneath 16-bit and 32-bit MCUs in arithmetic capability but above discrete logic in integration. The PIC16F818 specifically is positioned between the baseline PIC10/12/16 family and the high-performance PIC18 family, offering nanoWatt low-power features and a peripheral set targeted at cost-sensitive consumer, appliance and industrial control products. Key features of the PIC16F818-I/MLTSL include a 20MHz maximum operating frequency with a 200ns instruction cycle, 16 I/O pins, a 10-bit multi-channel Analog-to-Digital converter with five input channels, one Capture/Compare/PWM (CCP) module, a synchronous serial port configurable as SPI or I2C, an 8MHz internal oscillator, an internal voltage reference, in-circuit serial programming (ICSP) and nanoWatt power-management modes. The 28-pin QFN footprint exposes the full peripheral complement while keeping board area under 36 mm2, and the lack of a bottom thermal pad simplifies single-layer PCB layouts. Architecturally, the PIC16F818 uses a Harvard RISC core with only 35 single-word instructions and an 8-level deep hardware stack, enabling deterministic interrupt latency that is critical in real-time control loops. On-chip Flash and EEPROM are programmable through the ICSP interface with no external programmer required, supporting field firmware upgrades over UART or USB bridges. The 10-bit ADC is paired with an internal bandgap reference so analog measurements can be taken without external reference components, and nanoWatt technology allows peripherals to be selectively clocked or shut down to extend battery life in portable products. Typical applications for the PIC16F818-I/MLTSL include small consumer appliances, battery-powered handheld devices, sensor-interface front ends, hobby and educational embedded projects, LED lighting controllers, low-end motor-control loops, and remote-control transmitters. Its combination of compact QFN-28 footprint, EEPROM data memory and 16 I/O makes it a flexible building block for replacing discrete logic plus EEPROM pairs in legacy designs. When designing with this MCU, ensure decoupling is placed within 5 mm of VDD with at least one 100 nF ceramic per supply pin and a bulk 10 uF near the regulator output, because the on-chip ADC is sensitive to VDD ripple. Pull MCLR high through a 10 kohm resistor, and use the ICSP pins (RB6/RB7) only as the last peripheral assignment so in-circuit programming remains accessible in production.

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PIC16F818-I/P - 8-bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F818-I/P

PIC16F818-I/P - 8-bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F818-I/P is an 8-bit PIC® RISC-architecture MCU (microcontroller) delivering up to 20MHz instruction execution from a 1.75KB (1K x 14) program Flash memory, housed in an 18-pin PDIP through-hole package. It features 128 bytes of EEPROM data memory, 128 bytes of RAM, and a 5-channel 10-bit Analog-to-Digital Converter (ADC). The I/P suffix denotes the industrial temperature grade (-40C to +85C) and PDIP-18 packaging. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripherals into one package. The PIC16F818 belongs to Microchip's PIC16 mid-range family, which uses a 14-bit instruction word and Harvard architecture - separating program and data memory for deterministic 200ns instruction execution. MCUs sit at the heart of embedded systems, translating sensor inputs into actuator outputs in everything from washing machines to medical pumps. Key features include an integrated 8MHz internal oscillator (reducing external component count), nanoWatt power-management technology for sleep currents below 1µA, and a Master Synchronous Serial Port (MSSP) configurable as SPI™ or I²C™ for inter-IC communication. Capture/Compare/PWM (CCP) peripherals support motor, lighting, and timing-control applications, while 16 I/O pins deliver GPIO flexibility. The 10-bit ADC with 5 input channels enables direct sensor interfacing without external converters. The device's nanoWatt Technology offers multiple power-managed operating modes - primary RC oscillator, Timer1 oscillator, and Watchdog Timer can all run during sleep. Brown-out Reset (BOR) and Power-on Reset (POR) protect against low-voltage corruption. The 35-instruction RISC instruction set, with only 14-bit-wide opcodes, makes assembly programming compact and predictable. The 8-level hardware stack and 16-bit-wide program memory bus support modular firmware architectures. Typical applications include industrial sensor interfaces, low-cost motor control, battery-powered consumer devices, automotive body electronics (non-safety), appliance controls, and general-purpose embedded control. The 8MHz internal oscillator eliminates the external crystal for cost-sensitive designs, while the 20MHz external oscillator option supports time-critical tasks. When designing with this MCU, ensure the configuration bits are set correctly for oscillator selection, watchdog, and code protection. The ICSP™ (In-Circuit Serial Programming) interface uses RB6/RB7 pins - reserve these for programming/debug and not for high-speed peripheral switching. The industrial temperature range (-40C to +85C) suits outdoor enclosures, HVAC, and automotive cabin applications. This page synthesizes distributor stock data, drop-in alternatives, design considerations, and pinout information not consolidated elsewhere on the web.

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PIC16F818-I/SS - 8-bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F818-I/SS

PIC16F818-I/SS - 8-bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F818-I/SS is an 8-bit RISC Flash microcontroller based on the PIC16 architecture, offering up to 20 MHz operation, 1.75 KB (1K x 14 words) of program Flash memory, 128 bytes of SRAM, and 128 bytes of EEPROM data memory, all integrated in a 20-pin SSOP package. The device executes instructions in a 200 ns instruction cycle and features a 13-bit program counter with an 8K x 14 addressable program-memory space, of which 1K x 14 is physically implemented for PIC16F818. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU, program memory (ROM/Flash), data memory (RAM), I/O peripherals and a clock source on one silicon die. Within the embedded hierarchy, the PIC16F818 belongs to the PIC16F family of microcontrollers, which sits within Microchip's 8-bit PIC product line, which is itself a category of microcontrollers (MCU), which is a category of embedded processors, which is a category of semiconductors. The PIC16F818 is pin-compatible with the PIC16F819, and is software- and peripheral-compatible with the larger PIC16C7x, PIC16C62xA, PIC16C5X and PIC12CXXX families, giving designers an easy migration path from older OTP or ROM-based parts to Flash-based silicon. Key features include an internal 8 MHz oscillator (no external crystal required for many designs), 16 I/O pins with individually programmable direction, a 10-bit ADC with up to 5 channels, an enhanced Capture/Compare/PWM (ECCP) module, an MSSP port supporting SPI and I2C (master/slave), an asynchronous USART for RS-232/RS-485, two 8-bit timers plus one 16-bit timer, and a watchdog timer with its own on-chip low-power RC oscillator. The Flash program memory supports in-circuit serial programming (ICSP) via two pins, allowing firmware updates after PCB assembly. The PIC16F818 operates from 2.0 V to 5.5 V across the industrial -40C to +85C range, suiting it for 3.3 V and 5 V designs. With a typical active current of <2 mA at 4 MHz and 5 V, plus sub-microamp sleep currents with brown-out reset (BOR) enabled, the part targets low-power embedded nodes. The 20-pin SSOP (5.30 mm body) provides a compact 0.65 mm pitch footprint, balancing IO count with board-area efficiency. Typical applications include consumer appliance control panels, sensor interface nodes, simple LED lighting controllers, low-cost motor control loops, and battery-powered instrument peripherals. For designs needing more memory or a second comparator, designers can drop in the PIC16F819 (2K Flash) without changing the PCB. When designing with this MCU, reserve the ICSPDAT/ICSPCLK pins (typically RB7/RB6) so that in-circuit programming remains possible in production. Place a 100 nF decoupling capacitor within 5 mm of VDD, and a bulk 10 uF if the application drives heavy loads from the same rail. Verify MCLR behaviour - the device ships with MCLR disabled; an external pull-up or dedicated reset circuit may be required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F818-I/SSTSL - 8-bit MCU 1.75KB Flash 16 I/O SSOP-20 | Microchip
PIC16F818-I/SSTSL

PIC16F818-I/SSTSL - 8-bit MCU 1.75KB Flash 16 I/O SSOP-20 | Microchip

The Microchip PIC16F818-I/SSTSL is an 8-bit PIC16 family flash microcontroller featuring 1.75 KB (1K x 14) of program memory, 128 bytes of SRAM, and 128 bytes of EEPROM data memory, housed in a 20-pin SSOP package with an internal 8 MHz oscillator and 20 MHz instruction throughput. It is supplied in tube packaging and operates across the standard PIC16 industrial temperature range of -40C to +85C. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile program memory, working RAM, EEPROM/Flash data memory, and a configurable set of peripheral blocks on one die. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers -> embedded processors -> digital ICs. The PIC16F818 belongs to the mid-range PIC16F family, which occupies the slot between baseline (PIC10/12/16F5x) and enhanced mid-range / PIC18F devices, and is fully upwards compatible with PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12CXXX parts for code reuse. Key features include 16 digital I/O pins, a 10-bit Analog-to-Digital Converter with 5 input channels, one Capture/Compare/PWM module, a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, an 8 MHz internal oscillator, and in-circuit serial programming (ICSP). The Harvard RISC architecture executes one instruction every 200 ns at 20 MHz across 35 single-word instructions, giving the part deterministic real-time behavior that suits closed-loop control and low-power embedded tasks. The PIC16F818 uses a CMOS flash process node with separate program and data buses, allowing simultaneous instruction fetch and operand access. Its nanoWatt technology offers multiple idle, sleep, and oscillator modes that lower quiescent current in battery-powered systems; combined with brown-out reset, watchdog timer, and code protection, the part targets long-lifecycle industrial designs requiring robust field-upgradeable firmware. Typical applications include sensor signal conditioning with on-chip ADC, low-cost motor and lighting PWM drivers, battery-powered instrumentation, I2C/SPI slave peripherals, and consumer white-goods user-interface boards. It also serves as a flexible general-purpose MCU for IoT edge nodes and as a drop-in replacement for legacy PIC16C7x designs where flash re-programmability is required. When designing with this device, allocate analog channels carefully: ADC inputs are shared with digital I/O, so sequencing ADC scans before configuring other pins as digital avoids contention. Place the decoupling capacitor (typically 0.1 uF) within 5 mm of VDD and tie MCLR through the recommended pull-up to ensure reliable in-circuit programming. This page synthesizes distributor pricing, parametric cross-reference data, and practical design notes not found in the manufacturer datasheet, providing engineers with a single decision-ready reference for the PIC16F818-I/SSTSL.

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PIC16F818T-E/ML - 8-bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F818T-E/ML

PIC16F818T-E/ML - 8-bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F818T-E/ML is an 8-bit PIC microcontroller IC featuring a 20MHz CPU clock, 1.75KB (1K x 14 words) of Flash program memory, 128 bytes of SRAM, and 128 bytes of EEPROM data memory, housed in a 28-pin QFN (6x6 mm) surface-mount package. The part suffix T-E/ML denotes tape-and-reel packaging, the -40C to +125C extended industrial temperature range, and the ML (QFN) lead finish. A PIC16F818 microcontroller belongs to Microchip's PIC16 mid-range 8-bit MCU family, which targets cost-sensitive embedded applications. The PIC16F818 is a CMOS Flash-based MCU executing one instruction per 200ns clock cycle (at 20MHz) using a RISC-style 35-instruction set. It is code- and pin-compatible with the legacy PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12Cxxx families, simplifying migrations from older OTP and ROM devices. Key features of the PIC16F818 include an 8MHz precision internal RC oscillator (selectable), 10-bit ADC, two analog comparators, a 16-bit timer/counter (Timer1) with an external crystal option, two 8-bit timers, a synchronous/asynchronous serial port (USART/SCI), an SPI/I2C master MSSP module, and 16 digital I/O lines. The device also implements Microchip's nanoWatt technology, providing multiple power-managed sleep modes with wake-on-interrupt for battery-powered applications. Architecturally, the part uses a 14-bit wide Flash instruction word and a Harvard bus, allowing simultaneous instruction fetch and data access. Internal peripherals are routed through an 8-level hardware stack and 36-byte general-purpose register file. The integrated brown-out reset (BOR) and power-on reset (POR) circuitry simplify external reset components. Typical applications include consumer white goods, battery chargers, low-end toys, remote controls, sensor interface front-ends, and small appliance control boards. The combination of on-chip EEPROM and ADC makes the PIC16F818 especially well suited for calibration-data storage in transducer modules. When designing with the PIC16F818T-E/ML, note that the 28-QFN package requires thermal pad soldering to a PCB copper pour for proper heat dissipation and ground continuity. Use MPLAB X IDE with the XC8 compiler for firmware development; in-circuit serial programming (ICSP) via the PGD/PGC pins allows field updates without removing the part from the board. This page synthesizes distributor pricing snapshots, parametric drop-in alternatives within the PIC16F family, and practical design notes that go beyond what the manufacturer datasheet alone provides, helping engineers select and source the PIC16F818T-E/ML efficiently.

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PIC16F818T-E/SO - 8-bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F818T-E/SO

PIC16F818T-E/SO - 8-bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F818T-E/SO is a CMOS Flash-based 8-bit PIC16 microcontroller running at up to 20MHz instruction execution (200ns per instruction) and offering 1.75KB (1K x 14) of Flash program memory in an 18-pin SOIC package. The 'T' suffix denotes Tape & Reel packaging and the 'E' grade denotes the Extended (-40C to +125C) automotive temperature range, while the SOIC-18 (SO) package provides a standard small-outline surface-mount footprint compatible with industrial assembly lines. What is a PIC16F 8-bit microcontroller? The PIC16F family is Microchip's mid-range 8-bit RISC microcontroller line that uses a Harvard bus with separate program and data paths, 35 single-word instructions, and a 14-bit instruction word. It belongs to the larger hierarchy of microcontroller -> 8-bit MCU -> embedded controller -> semiconductor IC, and is widely used in cost-sensitive embedded designs where deterministic execution, low power (nanoWatt technology), and easy in-system reprogrammability are required. Key features include 128 bytes of SRAM data memory, 128 bytes of EEPROM data memory, an internal 8MHz oscillator, a 10-bit ADC with up to 5 channels, two 8-bit timers plus one 16-bit timer, a Capture/Compare/PWM (CCP) module, an Enhanced CCP (ECCP) module on selected pins, an MSSP (SPI/I2C) peripheral, a USART, and nanoWatt power management with multiple sleep modes. These peripherals make the part suitable for sensor conditioning, motor control signal generation, and serial communication master/slave tasks. The PIC16F818 architecture uses a 14-bit instruction word, 8-level hardware stack, and an interrupt controller supporting both core and peripheral interrupt sources. The internal 8MHz oscillator can be switched at runtime, allowing the firmware to trade execution speed for supply current in battery-powered applications using the nanoWatt sleep and doze modes. Typical applications include automotive body electronics, sensor interfaces (temperature, pressure, position), LED lighting controllers, low-end motor control (fans, small pumps, brushed DC), battery chargers, smart thermostats, and consumer appliances. The -40C to +125C operating range also makes it suitable for industrial control panels and under-hood automotive subsystems. When designing with this device, ensure that the ICSP/ICD programming pins (RB6/RB7) are not loaded by external circuitry that prevents in-circuit programming. Decoupling VDD with a 100nF ceramic capacitor placed within 5mm of the supply pins is required, and unused I/O pins should be configured as outputs low to minimize current consumption in sleep mode. This page synthesizes distributor stock and pricing data, drop-in alternative MPNs, and practical design guidance that is not consolidated in the manufacturer datasheet (DS39598E).

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PIC16F818T-E/SS - 20MHz 8-Bit Flash MCU, SSOP-20 | Microchip
PIC16F818T-E/SS

PIC16F818T-E/SS - 20MHz 8-Bit Flash MCU, SSOP-20 | Microchip

The Microchip Technology PIC16F818T-E/SS is an 8-bit CMOS Flash microcontroller from the PIC16 mid-range family, offering 20 MHz operation (200 ns instruction cycle) in a 20-pin SSOP package. It integrates 1.75 KB (1K x 14) of Flash program memory, 128 bytes of SRAM, and 128 bytes of EEPROM data memory on-chip, with 16 digital I/O pins and a 10-bit ADC. What is a mid-range PIC microcontroller? A mid-range PIC16 microcontroller is an 8-bit RISC-based Flash MCU from Microchip's PIC16 family that sits between the baseline PIC10/12/16 devices and the enhanced PIC18 family. It typically offers 35 single-word instructions, multiple oscillator modes, integrated analog peripherals (ADC, comparators), and nanoWatt Technology for low-power sleep modes. Within the system hierarchy, the PIC16 family belongs to Microcontrollers -> Integrated Circuits -> Semiconductors, and serves as a versatile workhorse for embedded control in industrial, consumer, and automotive body applications. Key features of the PIC16F818T-E/SS include a wide operating voltage range of 2.0 V to 5.5 V (extended range up to 5.5 V supported here), an internal 8 MHz oscillator, 10-bit ADC with up to 5 channels, one 8-bit and one 16-bit timer, nanoWatt power management with multiple sleep modes, and an ICD (In-Circuit Debugger) interface. The 'E' temperature grade (-40C to +125C) and 'T' tape-and-reel suffix suit industrial and high-volume manufacturing. The PIC16F818T-E/SS shares a peripheral set with the PIC16F819 (which doubles program memory to 3.5 KB) and the PIC16F88 (which adds an enhanced USART and CCP module). It is upward instruction-set compatible with PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12CXXX devices, easing migration from legacy designs. Typical applications include sensor interface boards, small motor control, battery chargers, white goods control, HVAC fan controllers, security keypads, LED drivers, and general-purpose logic replacement. The wide temperature range and nanoWatt modes make it well suited for always-on industrial sensor nodes. When designing with the PIC16F818T-E/SS, choose between the internal 8 MHz oscillator (lower BOM cost) and an external crystal (higher timing accuracy) based on whether UART baud-rate precision is required. Place decoupling capacitors (100 nF + 10 uF) as close as possible to VDD/VSS pins and respect the MCLR pin's VIL/VIH thresholds when used in noisy environments.

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PIC16F818T-I/MLTSL - 8-bit MCU 20MHz 1.75KB FLASH 28-QFN | Microchip
PIC16F818T-I/MLTSL

PIC16F818T-I/MLTSL - 8-bit MCU 20MHz 1.75KB FLASH 28-QFN | Microchip

The Microchip Technology PIC16F818T-I/MLTSL is an 8-bit PIC microcontroller in a 28-pin QFN (6x6) exposed-pad package, operating at up to 20 MHz with 1.75 KB (1K x 14-word) of Flash program memory, 128 bytes of SRAM, and 128 bytes of EEPROM data memory. It offers 16 I/O pins, an internal oscillator (8 MHz), and serial connectivity via I2C and SPI, while an internal 10-bit ADC handles analog sensing. The device is industrial-grade (-40C to +85C) and ships in tape-and-reel packaging as the MLTSL suffix indicates. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable set of peripherals (timers, ADC, communication blocks) into one package. Within the broader taxonomy, the PIC16F818 belongs to the 8-bit MCU family within the microcontrollers product category, which sits at the heart of embedded systems hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> integrated circuit -> semiconductor. Low-cost PIC16-series devices like this one dominate cost-sensitive consumer, appliance, sensor and hobby applications where sophisticated processing power is not required. The PIC16F818 stands out for its nanoWatt power-management technology and 35 single-word instructions, which simplify firmware and reduce code footprint. Internal oscillator calibration at 8 MHz eliminates the need for an external crystal in many designs, cutting BOM cost, while the 10-bit ADC and two analog comparators on-chip handle sensor conditioning directly. Architecturally, the device is built on an enhanced Harvard 14-bit instruction word design with a 200 ns instruction cycle, supporting in-circuit serial programming (ICSP) and nanoWatt sleep modes down to a few microamperes. Industrial peripherals include the Master Synchronous Serial Port (MSSP) supporting SPI and I2C master/slave modes. Typical applications include small home appliances (coffee makers, blenders), battery-powered sensor nodes, automotive interior accessories, white goods, power-tool controllers, and remote controls. The exposed thermal pad (QFN EP) provides solid thermal performance in continuous 20 MHz operation, while the small 6x6 mm footprint suits miniaturized designs. Designers should note that, although the device has an internal 8 MHz oscillator, an external crystal can be added for higher accuracy or higher clock speeds up to 20 MHz. The TSSOP/PDIP/QFN variants of the PIC16F818 family are software- and pin-compatible with the PIC16F819 (which doubles the Flash and adds more peripherals), allowing code portability. This page combines verified distributor pricing, drop-in alternatives, and practical PCB design notes that go beyond the manufacturer datasheet. PIC16F818T-I/MLTSL is orderable today from major distributors in tape-and-reel, with the surface-mount QFN landed-pattern suitable for high-volume placement lines.

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PIC16F818T-I/SS - 8-bit PIC MCU, 20MHz, 1.75KB Flash, SSOP-20 | Microchip
PIC16F818T-I/SS

PIC16F818T-I/SS - 8-bit PIC MCU, 20MHz, 1.75KB Flash, SSOP-20 | Microchip

The Microchip Technology PIC16F818T-I/SS is a CMOS Flash-based 8-bit PIC microcontroller in a 20-pin SSOP package, featuring a 20MHz CPU (200ns instruction cycle), 1.75KB (1K x 14) of Flash program memory and 128 bytes of SRAM, with an additional 128 bytes of EEPROM data memory. Tape-and-reel packaging variant of the PIC16F818-I/SS in the industrial -40C to +85C temperature grade. A PIC microcontroller (Programmable Intelligent Computer) is a family of Harvard-architecture 8/16/32-bit microcontrollers built around a精简指令集 (RISC) core with separate program and data buses. Within Microchip's hierarchy it sits at the PIC16 mid-range tier (PIC10/12/16/18/24/32 families), positioned between baseline 8-pin PIC10/PIC12 devices and high-performance PIC18/PIC24/PIC32 devices. The mid-range PIC16F core is the workhorse family for cost-sensitive embedded control, known for deterministic interrupt response and a small, easy-to-learn instruction set (35 single-word instructions for the PIC16F818). The PIC16F818 integrates 16 digital I/O pins, an 8MHz internal oscillator, 10-bit ADC, two PWM modules, a hardware USART, I2C and SPI peripherals, brown-out reset, power-on reset, watchdog timer, and Microchip's nanoWatt power-management technology for low-power sleep modes. It is code- and pin-compatible with the larger PIC16F819 (2KB Flash / 256B SRAM) and shares peripherals with the 18-pin PIC16F88. Architecturally, the device uses a 14-bit instruction word and a Harvard bus, giving single-cycle instruction fetch with separate program Flash and data SRAM buses. This separation eliminates von Neumann fetch-decode bottlenecks and is the foundation of the PIC family's deterministic interrupt latency. The 8MHz internal RC oscillator can be software-tuned via the OSCTUNE register, eliminating external crystals in many cost-sensitive designs. Typical applications include consumer appliance control, sensor signal conditioning, low-end motor control loops, battery chargers, LED lighting controllers, and educational/hobbyist platforms where PIC16F mid-range familiarity is preferred. The compact SSOP-20 footprint and industrial temperature grade suit space-constrained commercial and industrial products. When migrating from PIC16C5X/PIC16C62xA/PIC16C7x/PIC12CXXX designs, the PIC16F818 retains socket-and-code compatibility for most peripheral functions while adding Flash reprogrammability and nanoWatt low-power features. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet - including guidance on internal-oscillator accuracy, ICSP programming pinout, and a same-package migration path to PIC16F819 for designers who later need additional program memory.

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PIC16F818T-I/SSTSL - 20MHz 8-bit Flash MCU 1.75KB | Microchip
PIC16F818T-I/SSTSL

PIC16F818T-I/SSTSL - 20MHz 8-bit Flash MCU 1.75KB | Microchip

The Microchip Technology PIC16F818T-I/SSTSL is an 8-bit CMOS Flash-based microcontroller built on the PIC16 enhanced core, delivering up to 20 MHz CPU performance with 200 ns instruction execution in a 20-pin SSOP package. It integrates 1.75 KB (1K x 14) of Flash program memory, 128 bytes of SRAM, and 128 bytes of EEPROM, providing single-chip storage for both program and persistent data without external memory. The device operates from 2.0 V to 5.5 V and offers 16 digital I/O pins with flexible peripheral assignment. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals on one die. The PIC16F818 belongs to the mid-range PIC16 family (hypernyms: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC). It uses a RISC Harvard architecture with only 35 single-word instructions, allowing compact code generation and predictable interrupt latency, which makes the family well-suited for deterministic real-time control tasks. Key features include an internal RC oscillator selectable up to 8 MHz, 10-bit ADC with up to 5 channels, 1 capture/compare/PWM module, an enhanced USART for asynchronous and synchronous serial communication, and a 10-bit PWM generator. NanoWatt Technology provides multiple power-managed modes - Run, Idle, and Sleep - with typical Sleep currents in the microamp range, enabling battery-friendly duty-cycled designs. The device supports in-circuit serial programming (ICSP) via two pins, allowing firmware updates after PCB assembly. The enhanced mid-range core adds hardware interrupt context saving, a deeper hardware stack, and up to 256 bytes of access RAM, which the older PIC16C7x/PIC16C62xA/PIC16C5X/PIC12Cxxx baselines lack. Code written for these legacy parts is upward-compatible with the PIC16F818, simplifying migration from older 18-pin/20-pin PIC designs. Typical applications include appliance control, sensor conditioning front-ends, low-cost motor control, LED lighting controllers, security keypads, and consumer white goods. The wide operating voltage and low Sleep current also make it a fit for battery-powered instrumentation and remote sensor nodes. When designing with this part, reserve the ICSP pins (RB6/RB7) for in-system programming access. Place the decoupling capacitor within 5 mm of VDD and use a 100 nF X7R for digital noise suppression; add a 10 uF bulk capacitor if the supply has long traces. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not consolidated on a single manufacturer or distributor page, giving engineers a faster decision path than the Microchip PIC16F818/819 datasheet alone.

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PIC16F819-E/ML - 8-Bit 20MHz 3.5KB Flash MCU 28-QFN | Microchip
PIC16F819-E/ML

PIC16F819-E/ML - 8-Bit 20MHz 3.5KB Flash MCU 28-QFN | Microchip

The Microchip PIC16F819-E/ML is an 8-bit PIC16 family Flash microcontroller running at up to 20 MHz instruction rate, integrating 3.5 KB (2K x 14) of Flash program memory, 256 bytes of SRAM, 256 bytes of EEPROM data memory, and 16 digital I/O in a 28-pin QFN (6x6 mm) package with an exposed thermal pad. The -E suffix denotes the extended industrial temperature grade of -40C to +125C, while /ML designates the lead-free 28-VQFN surface-mount package supplied in tube packaging for production runs. What is an 8-bit Flash microcontroller? It is a small computing device integrating a CPU, non-volatile Flash program memory, RAM, peripherals, and I/O on a single die. PIC16F microcontrollers sit in the PIC microcontroller hierarchy as: PIC16F -> mid-range 8-bit MCU family -> microcontroller -> embedded computing device -> semiconductor. Compared with 16-bit or 32-bit MCUs, 8-bit Flash parts like the PIC16F819 deliver deterministic instruction execution, low cost, and ultra-low standby current via Microchip's nanoWatt technology - making them ideal for cost-sensitive and battery-powered embedded designs. Key features of the PIC16F819 include an 8 MHz internal oscillator that eliminates the need for an external crystal in many designs, a 10-bit Analog-to-Digital converter with 5 input channels, one Capture/Compare/PWM (CCP) module, a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, and nanoWatt power management with multiple sleep modes. The 28-QFN package enables compact PCB layouts while the exposed pad improves thermal dissipation for higher current GPIO loads. Typical applications span consumer appliances, sensor conditioning nodes, LED lighting controllers, automotive body electronics, battery chargers, and small motor control loops. The wide 4V to 5.5V supply range and 16 I/O pins make the part flexible for both 5V legacy systems and modern mixed-signal boards. Designers should budget for the ICSP programming header (PGD/PGC) and the MCLR reset circuit, as required by all PIC16F mid-range devices. This page synthesizes distributor pricing, drop-in alternatives from the same family, and practical design notes that go beyond the manufacturer datasheet.

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PIC16F819-E/P - 8-Bit 20MHz Flash MCU | Microchip
PIC16F819-E/P

PIC16F819-E/P - 8-Bit 20MHz Flash MCU | Microchip

The Microchip Technology PIC16F819-E/P is an 8-bit PIC flash microcontroller with an 8 MHz internal oscillator, 256 bytes of EEPROM data memory, and five 10-bit analog-to-digital converter channels, supplied in an 18-pin PDIP package. The device combines program flash, data EEPROM, digital I/O, timing, serial communications, and analog conversion in a compact embedded-control device suitable for industrial, consumer, and instrumentation designs. An 8-bit microcontroller is a programmable semiconductor that executes instructions from embedded flash memory and uses digital input/output pins to monitor and control external circuitry. Within the product hierarchy, the PIC16F819 is a PIC16-family 8-bit microcontroller and a member of the broader embedded-processing and semiconductor category. Its combination of deterministic control, flexible serial interfaces, and mixed-signal sensing makes it appropriate for small control systems that do not require a high-performance 32-bit processor. Key features include up to 20 MHz operation, 3.5 KB or 2K by 14 words of flash program memory, 256 bytes of EEPROM, and 16 I/O pins as identified by the verified distributor records. The internal 8 MHz oscillator provides a clock source without an external crystal, while the integrated 10-bit ADC provides five analog input channels for sensing temperature, potentiometer positions, light levels, or other slowly changing analog quantities. The PIC16F819-E/P uses the enhanced PIC16 architecture, with flash memory supporting in-system programming and repeated firmware updates. Its capture, compare, and PWM resources support precise timing, motor-control, and waveform-generation tasks. A configurable synchronous serial port supports either 3-wire SPI or 2-wire I²C communication, allowing the controller to connect efficiently to sensors, displays, memories, and other peripherals without requiring separate dedicated serial interfaces. Typical applications include small industrial controllers, sensor-interface modules, motor and actuator controllers, digital thermometers, hobby and education platforms, and compact consumer appliances. The 18-pin PDIP package is particularly useful for prototypes, through-hole educational boards, and repair assemblies where a socketed or easily soldered package simplifies assembly and replacement. A switching regulator or other compact regulator can supply the required operating voltage, subject to the device's electrical limits. Designers should verify oscillator configuration, I/O direction, analog inputs, reset behavior, and programming connections against the manufacturer datasheet before layout. The 20 MHz maximum clock is distinct from the 8 MHz internal oscillator value: an external clock source may be used when the full operating speed and associated timing requirements are needed. Decoupling, programming interface access, and unused-pin treatment should follow the device's recommended schematic and pin guidance. This page combines verified manufacturer and distributor information with practical architecture analysis, purchasing guidance, and engineering considerations. It distinguishes documented functions from parameters that require confirmation, helping designers select the MCU while avoiding assumptions about unreported electrical, thermal, or compliance details.

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PIC16F819-E/SO - 8-Bit MCU 3.5KB Flash 20MHz 18-SOIC
PIC16F819-E/SO

PIC16F819-E/SO - 8-Bit MCU 3.5KB Flash 20MHz 18-SOIC

The Microchip Technology PIC16F819-E/SO is an 8-bit PIC16F-family flash microcontroller (MCU) featuring 3.5 KB (2K x 14) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM data memory, housed in an 18-pin SOIC (SO) package. It executes instructions at up to 20 MHz (200 ns instruction cycle) from a 2.0 V to 5.5 V supply and exposes 16 digital I/O pins. According to the Microchip PIC16F819 datasheet, the device integrates an 8 MHz internal oscillator, a 10-bit Analog-to-Digital Converter (ADC) with 5 input channels, a Capture/Compare/PWM (CCP) module, and a Master Synchronous Serial Port (MSSP) configurable as SPI or I2C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and peripheral interfaces such as timers, ADCs, and communication ports. The PIC16F819 belongs to the PIC mid-range family, which is one tier in Microchip's 8-bit MCU hierarchy: PIC10/12/16/18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The '16F' prefix denotes Flash program memory with 14-bit instruction word, which supports a richer instruction set than baseline PIC10/12 devices while keeping the cost, power, and footprint of an 8-bit core. Key differentiating features of the PIC16F819 include nanoWatt Technology for dynamic power management, an enhanced CCP module for precise timing and PWM generation, and an on-chip 8 MHz internal oscillator that eliminates the external crystal in cost-sensitive designs. The 5-channel 10-bit ADC provides adequate resolution for sensor monitoring, while the MSSP supports both SPI (3-wire) and I2C (2-wire) communication, enabling the PIC16F819 to act as a master or slave in mixed-sensor networks. Technically, the PIC16F819 uses a RISC architecture with 35 single-word instructions and a hardware stack, achieving deterministic interrupt latency. The internal oscillator block can be calibrated to within +/- 1 percent and supports a clock-switching scheme that lets the application trade speed for power during run time, which is essential in battery-powered sensor and IoT-edge node designs. Typical applications include consumer appliances, sensor signal conditioning, low-cost motor control, battery chargers, and small home-automation nodes. Industrial designers use the PIC16F819 in 4-20 mA loop sensor interfaces, fan-speed controllers, and white-goods human-machine interface (HMI) panels where the integrated ADC, EEPROM, and PWM reduce bill-of-materials cost. When designing with this device, ensure the Vdd decoupling network uses a 100 nF ceramic capacitor placed within 5 mm of the Vdd pin, and that MCLR is pulled high through a 10 kohm resistor for normal operation. Use ICD or PICkit programmers on the ICSP pins (RB6/RB7) to preserve the device's in-circuit debug capability during prototyping. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes drawn from the Microchip datasheet and reference designs, going beyond what a single distributor product page offers.

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PIC16F819-I/ML - 8-Bit MCU 3.5KB Flash 20MHz QFN-28 | Microchip
PIC16F819-I/ML

PIC16F819-I/ML - 8-Bit MCU 3.5KB Flash 20MHz QFN-28 | Microchip

The Microchip Technology PIC16F819-I/ML is an 8-bit Flash microcontroller from the PIC16F family delivering 20MHz CPU performance with 3.5KB (2K x 14) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin QFN (6x6 mm) package with exposed thermal pad. It is part of Microchip's mid-range 18/20-pin enhanced Flash MCU lineup featuring nanoWatt Technology for ultra-low-power operation. An 8-bit Flash microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile Flash program memory, RAM, EEPROM data memory, and a rich set of peripherals (timers, ADC, communication ports) onto one silicon die. The PIC16F family sits within the broader PIC microcontroller hierarchy: PIC16F -> PIC16 mid-range -> 8-bit PIC -> Microcontroller -> Embedded IC -> Semiconductor. These devices are widely used in cost-sensitive embedded designs where deterministic performance, low power, and small package footprint are critical. Key features include a 10-bit Analog-to-Digital Converter (ADC) with 5 input channels, a synchronous serial port configurable as SPI or I2C, a Capture/Compare/PWM (CCP) module, an 8MHz internal oscillator, and nanoWatt power management. The QFN-28 (ML) package provides 16 digital I/O pins and a small 6x6 mm footprint with an exposed pad for improved thermal dissipation. Operating voltage spans 2.0V to 5.5V, supporting both 3.3V and 5V systems. The architecture uses a 14-bit instruction word with 35 single-word instructions, achieving 200ns instruction execution at 20MHz. The Harvard architecture separates program and data memory buses, allowing simultaneous fetch and access. The nanoWatt Technology features include sleep current below 1µA, ultra-low-power wake-up, and multiple oscillator modes for energy-constrained designs. Typical applications include consumer electronics, sensor signal conditioning, battery-powered handheld devices, LED lighting controllers, and low-cost industrial control nodes. The integrated ADC and PWM make it well suited for closed-loop sensor control, while the I2C/SPI port enables peripheral expansion. When designing with this device, ensure proper decoupling (100nF plus 10µF bulk) near VDD, and connect the exposed pad of the QFN package to a ground copper pour for thermal and electrical performance. The internal oscillator eliminates external crystal components in many applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, with cross-references to same-family variants and pin-compatible drop-in replacements.

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PIC16F819-I/P - 8-bit MCU 3.5KB Flash 20MHz 18-PDIP | Microchip
PIC16F819-I/P

PIC16F819-I/P - 8-bit MCU 3.5KB Flash 20MHz 18-PDIP | Microchip

The Microchip Technology PIC16F819-I/P is an 8-bit Enhanced Flash microcontroller with nanoWatt technology, operating up to 20MHz instruction rate in an 18-pin PDIP through-hole package (industrial -40C to +85C temperature range). A PIC16 mid-range 8-bit microcontroller (MCU) is a member of the PIC16 family that uses a RISC-based Harvard architecture with 35 single-word instructions and a 200 ns instruction execution time. It belongs to the broader category of microcontrollers (MCUs) within the embedded computing hierarchy: microcontroller -> embedded processor -> semiconductor IC. Mid-range PIC16 devices integrate Flash program memory, SRAM data memory, EEPROM, A/D converters and communication peripherals in a single chip, serving as the system brain for low-power, cost-sensitive embedded applications. The PIC16F819 features 3.5KB Flash program memory (2K x 14 words), 256 bytes SRAM, 256 bytes EEPROM data memory, 16 I/O pins, an 8MHz internal oscillator, a capture/compare/PWM (CCP) module, and a synchronous serial port configurable as 3-wire SPI or 2-wire I2C. It also integrates 5 channels of 10-bit Analog-to-Digital (A/D) conversion and supports supply voltages from 2.0V to 5.5V, making it suitable for both 3.3V and 5V designs. Architecturally, the PIC16F819 implements Microchip's nanoWatt power management with multiple sleep modes and a wide operating voltage range, allowing the device to extend battery life in portable applications. The 14-bit instruction word, hardware stack, and peripheral feature set are upwardly compatible with the PIC16C7x and PIC16C62xA families, easing migration paths for legacy designs. Typical applications include consumer electronics (remote controls, small appliances, toys), industrial control (sensor interfacing, low-end motor control via PWM), automotive body electronics, battery-powered instrumentation, and educational/developer boards where the PIC16F819's combination of internal oscillator, A/D, and SPI/I2C peripherals reduces external component count. When designing with the PIC16F819-I/P, ensure proper decoupling (0.1uF ceramic close to VDD with bulk 10uF), reserve the MCLR pin for a clean reset, and leverage the internal 8MHz oscillator to reduce BOM cost. The 18-pin PDIP package is breadboard-friendly and ideal for prototyping or hand-soldered low-volume production. This page synthesizes distributor pricing, drop-in PDIP alternatives, and practical design notes not found in the standalone PIC16F818/819 datasheet, giving procurement engineers and designers a single decision-ready reference.

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PIC16F819-I/PTSL - 8-bit 20MHz MCU 3.5KB 16 I/O DIP-18
PIC16F819-I/PTSL

PIC16F819-I/PTSL - 8-bit 20MHz MCU 3.5KB 16 I/O DIP-18

The Microchip Technology PIC16F819-I/PTSL is an 8-bit flash microcontroller from the PIC16F family, running at up to 20 MHz with 3.5 KB (2K x 14 words) of Flash program memory, 256 bytes of SRAM and 256 bytes of EEPROM data memory in a 18-pin PDIP (0.300 inch / 7.62 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (SRAM), non-volatile data memory (EEPROM), and I/O peripherals on one die. The PIC16F819 belongs to the enhanced mid-range PIC16 8-bit RISC family with 35 single-word instructions at 200 ns instruction cycle, sitting in the hierarchy: PIC16F819 -> PIC16F8xx family -> PIC16 mid-range -> PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers -> integrated circuits. It uses Harvard architecture with separate program and data buses. Key features include an 8 MHz selectable internal oscillator, 5 channels of 10-bit Analog-to-Digital conversion, 1 capture/compare/PWM module, a Synchronous Serial Port (SSP) configurable as 3-wire SPI or 2-wire I²C, nanoWatt power management with multiple sleep modes, 16 digital I/O pins, and a wide 2.0V to 5.5V operating voltage range. The industrial (-I) temperature grade spans -40 °C to +85 °C. The TSSOP/SL package designation also implies Pb-free / lead-free termination consistent with current RoHS directives. Architecturally the PIC16F819 combines a RISC 14-bit instruction set with 8-bit datapath, 2-stage pipeline, an 8-level hardware stack and interrupt controller with hardware context save/restore. The integrated 8 MHz internal oscillator is factory calibrated to ±1 % accuracy, removing the need for an external crystal in many designs and reducing BOM cost. The ADC can operate during sleep via an internal RC oscillator for low-power sensor sampling. The PWM module supports 10-bit resolution which is sufficient for LED dimming, motor control and simple analog synthesis. Typical applications include consumer remote controls, low-end white goods, battery chargers, sensor interfaces, educational microcontroller kits, simple LED lighting controllers, security sensor peripherals and battery-powered handheld devices. The 16 I/O pins and ADC channels are well-matched to small appliances, multi-button interfaces and analog sensor hubs. When designing with this part, ensure decoupling of VDD with at least 100 nF placed within 5 mm of the supply pin and consider an external crystal only when the on-chip 8 MHz oscillator is inadequate for UART or timing accuracy. The MCLR pin can be left tied to VDD through a 10 kΩ resistor if no in-circuit serial programming is required.

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PIC16F819-I/SO - 8-bit 20MHz 3.5KB Flash MCU | Microchip
PIC16F819-I/SO

PIC16F819-I/SO - 8-bit 20MHz 3.5KB Flash MCU | Microchip

The Microchip Technology PIC16F819-I/SO is an 8-bit Flash microcontroller built on the PIC16 architecture, delivering 20MHz instruction execution (200ns instruction cycle) with 3.5KB (2K x 14) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM data memory, housed in an 18-pin SOIC package. It features an internal 8MHz oscillator, 16 digital I/O pins, a 10-bit Analog-to-Digital converter with 5 input channels, one Capture/Compare/PWM module, and a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C. A microcontroller is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working RAM, peripheral interfaces (ADC, timers, communication ports), and general-purpose I/O into one package. It belongs to the hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC16F819-I/M8 line is part of Microchip's mid-range "PIC16F" family that emphasizes low power (nanoWatt technology), compact code footprint (35 single-word instructions), and upward compatibility with the older PIC16C7x/PIC16C62xA/PIC16C5X/PIC12CXXX devices, allowing code reuse across product generations. Key features include 4V to 5.5V single-supply operation, an internal 8MHz oscillator (selectable via configuration fuses), 10-bit ADC with 5 channels, a hardware USART, a 16-bit timer/counter, and nanoWatt power management that drops supply current below 1uA in sleep mode. The device offers in-circuit serial programming (ICSP) and in-circuit debugger support via the standard ICD header. Architecturally, the PIC16F819 uses a Harvard RISC core with separate program and data buses, 14-bit wide instruction words, and a hardware stack that simplifies C and assembly development. The Flash program memory supports 100K erase/write cycles typical and >40 years data retention per Microchip's published endurance specifications. Typical applications include low-power sensor and edge-processing displays for embedded industrial IoT nodes, low-end sensor interfaces, and handheld consumer products. The integrated ADC and PWM simplify sensor signal conditioning and motor/LED control loops. When designing with this device, place a 100nF decoupling capacitor within 5mm of VDD and a 10uF bulk capacitor near the IC. Reserve the MCLR pin with a 10kohm pull-up to VDD to avoid spurious resets, and ensure ICP/ICSP header access for field firmware updates.

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PIC16F819-I/SOTSL - 8-bit MCU, 3.5KB Flash, 20MHz | Microchip
PIC16F819-I/SOTSL

PIC16F819-I/SOTSL - 8-bit MCU, 3.5KB Flash, 20MHz | Microchip

The Microchip Technology PIC16F819-I/SOTSL is an 8-bit Flash microcontroller in the PIC16F family, featuring 3.5 KB (2K x 14) of program memory, 256 bytes of RAM, and 256 bytes of EEPROM, packaged in an 18-pin SOIC with 0.295 inch (7.50 mm) body width. It executes instructions in a 200 ns cycle time and runs at up to 20 MHz oscillator frequency. The device includes an 8 MHz internal oscillator, 16 general-purpose I/O pins, one Capture/Compare/PWM (CCP) module, a Synchronous Serial Port (SSP) configurable as SPI or I2C, and a 10-bit Analog-to-Digital Converter with 5 input channels. An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path that integrates CPU core, non-volatile program memory, working RAM, and a curated set of peripherals onto a single IC. The PIC16F architecture belongs to the broader class of RISC microcontrollers, using a Harvard memory layout, a small instruction word, and a deterministic instruction pipeline. Within the PIC16 family, the F-series adds on-chip Flash and EEPROM, and the 819 part number places this device in the 18/20-pin nanoWatt category: low-power variants optimized for sleep-current performance. Key features include 200 ns instruction execution, a wide 2.0 V to 5.5 V operating range, nanoWatt power management, in-circuit debugging via ICSP, and flash program memory that supports up to 100,000 erase/write cycles. The 10-bit ADC with 5 channels supports both internal and external voltage references, and the MSSP module can operate as SPI master/slave or as I2C master/slave at up to 400 kHz. Brown-out Reset (BOR) and Power-on Reset (POR) provide fail-safe startup. The internal architecture pairs a 14-bit instruction word with an 8-bit data path, two register files for fast context switching, and a hardware interrupt controller that supports edge- or level-sensitive external interrupts on selected I/O. The CCP module produces PWM with up to 10-bit resolution at the timer base frequency, suitable for LED dimming, motor control signal generation, and analog setpoint production. The -I (industrial) suffix extends the operating temperature range from -40 C to +85 C, while -E (extended) parts cover -40 C to +125 C. Typical applications include low-power remote sensor nodes, battery-backed instrumentation, small appliance controls, lighting and dimmer circuits, and intelligent peripherals for industrial equipment. The integrated 10-bit ADC and I2C/SPI peripherals allow the PIC16F819 to act as a glue controller between analog sensors and a host processor over a standard serial bus, while its low sleep current makes it well suited to Energy-harvesting or long-life primary-cell applications. When designing with this device, ensure the MCLR pin is properly biased with a 10 kohm pull-up to VDD and that decoupling is placed within 1mm of the VDD pin. The internal 8 MHz oscillator can drift over temperature; choose the -I or -E temperature grade based on the worst-case ambient, and reserve the I2C SCL/SDA pins (RB6/RB7) with adequate 4.7 kohm pull-ups if the bus is shared with other devices. This page synthesizes distributor pricing and stock for the PIC16F819-I/SOTSL, cross-references drop-in SOIC-18 alternatives, and provides practical design notes not found in the manufacturer datasheet, going beyond DigiKey/Mouser product listings.

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PIC16F819-I/SS - 3.5KB Flash 8-bit MCU, SSOP-20 | Microchip
PIC16F819-I/SS

PIC16F819-I/SS - 3.5KB Flash 8-bit MCU, SSOP-20 | Microchip

The Microchip Technology PIC16F819-I/SS is a 20 MHz, 8-bit CMOS Flash microcontroller housed in a 20-pin SSOP (5.30 mm / 0.209") package, delivering 3.5 KB of Flash program memory, 256 bytes of RAM, and 256 bytes of EEPROM data memory. Per the Microchip PIC16F818/819 datasheet, the device executes instructions in 200 ns (5 MIPS at 20 MHz) and supports 16 I/O pins across 5 ports of 8/10-bit ADC channels. The PIC16F819-I/SS variant is specified for the industrial temperature range (-40C to +85C). A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and peripherals such as ADC, timers, and communication interfaces. PIC microcontrollers use Microchip's proprietary Harvard RISC architecture and dominate 8-bit embedded applications due to their deterministic interrupt latency, low power consumption (via nanoWatt Technology), and a 35-instruction instruction set that simplifies code generation. Within the broader taxonomy, the PIC16F819 falls under 8-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Key features of the PIC16F819-I/SS include: an 8 MHz internal oscillator (software-tunable), 5 channels of 10-bit Analog-to-Digital conversion, one Capture/Compare/PWM module, a Synchronous Serial Port configurable as SPI or I2C, and nanoWatt power management with multiple sleep modes and ultra-low-power wake-up sources. The SSOP-20 package offers a compact footprint (5.30 mm body width) suited for space-constrained designs while maintaining through-hole-like assembly tolerance. Technically, the PIC16F819-I/SS uses a modified Harvard architecture with separate program and data paths to enable single-cycle instruction fetch alongside two-cycle data access. The 14-bit instruction word provides uniform opcodes for arithmetic, bit manipulation, and peripheral control. Integrated brown-out reset (BOR), power-on reset (POR), and a watchdog timer with its own on-chip RC oscillator enhance reliability in unattended or remote installations. The device operates from 2.0 V to 5.5 V (F-version, with the I/SS suffix specifying 4.0 V to 5.5 V across -40C to +85C). Typical applications include battery-powered sensor nodes, low-cost industrial controls, LED lighting controllers, and consumer appliance front panels. The combination of EEPROM, ADC, and PWM in a single 20-pin device is well suited to closed-loop fan control, thermostat read-out, and small motor speed regulation. For designers already familiar with PIC16 mid-range devices, the PIC16F819 is firmware-compatible with the PIC16F818 except for the additional program memory (3.5 KB vs 1.7 KB). A key design consideration: the SSOP-20 footprint is a fine-pitch surface-mount package (0.65 mm pitch). Reflow profile must stay within JEDEC J-STD-020 limits, and PCB land pattern recommendations from Microchip IPC-7351 should be observed. For users migrating from PIC16F818 designs, the additional 1.75 KB of Flash is transparent to existing code if the linker is configured for the larger memory map. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F819-I/SSTSL - 3.5KB Flash 8-bit MCU SSOP-28 | Microchip
PIC16F819-I/SSTSL

PIC16F819-I/SSTSL - 3.5KB Flash 8-bit MCU SSOP-28 | Microchip

The Microchip PIC16F819-I/SSTSL is an 8-bit CMOS Flash-based PIC microcontroller in a 28-pin SSOP package with 3.5KB (2K x 14) of program memory, 256 bytes of SRAM, and 256 bytes of EEPROM data memory. It executes one instruction per 200 ns (5 MIPS at 20 MHz), features an internal 8 MHz oscillator, and offers 16 digital I/O pins with individual direction control. The device integrates a 10-bit Analog-to-Digital Converter with 5 input channels, one Capture/Compare/PWM (CCP) module, and a Synchronous Serial Port configurable as SPI or I2C for peripheral interfacing. Operating from 2.0 V to 5.5 V across -40 °C to +85 °C, the PIC16F819 is built for low-power embedded applications. What is an 8-bit Flash MCU? An 8-bit Flash microcontroller is a single-chip computer whose arithmetic logic unit processes data in 8-bit chunks, with non-volatile program storage in Flash that can be electrically erased and reprogrammed in-circuit. The PIC16F819 belongs to the PIC16 family of RISC microcontrollers, which sits inside the broader hierarchy of microcontrollers -> embedded processors -> semiconductors. Its Harvard architecture separates program and data memory buses, which is why program memory is measured in 14-bit words while SRAM is 8 bits wide - a defining trait of mid-range PIC devices. Key features include nanoWatt Technology for reduced power consumption in sleep and active modes, an enhanced CCP module for PWM motor and lighting control, a 10-bit ADC with 5 channels for sensor acquisition, and a hardware Synchronous Serial Port supporting both SPI and I2C. The internal 8 MHz oscillator eliminates an external crystal in many designs, while the in-circuit serial programming (ICSP) interface allows field firmware updates via two pins only. The PIC16F819 uses a RISC instruction set of only 35 single-word instructions, simplifying code generation while delivering deterministic 200 ns instruction execution. Its Flash program memory supports up to 100,000 erase/write cycles and 40-year retention, and 256 bytes of EEPROM data memory support 1,000,000 erase/write cycles for non-volatile parameter storage. Typical applications include sensor signal conditioning with onboard ADC, low-power battery-operated devices such as remote controls and toys, motor speed control via PWM, LED lighting dimmers, and consumer appliance control boards. The wide operating voltage and integrated peripherals make it a versatile general-purpose controller. When designing with this device, allocate sufficient decoupling (100 nF ceramic) close to VDD, reserve RA4/RA5 for analog inputs if ADC is used (they share the AVDD reference), and confirm the SSP module pin mapping matches SPI or I2C peripheral requirements before PCB layout. This page synthesizes distributor pricing, drop-in SSOP-28 alternatives, and practical design notes not found in the standalone Microchip datasheet, including verified stock across authorized distributors.

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