Mikrocontroller

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PIC16F785-I/ML - 8-Bit 20MHz MCU with Dual Op-Amps | Microchip
PIC16F785-I/ML

PIC16F785-I/ML - 8-Bit 20MHz MCU with Dual Op-Amps | Microchip

The Microchip Technology PIC16F785-I/ML is a 20-pin 8-bit PIC microcontroller based on the mid-range x14 instruction set, delivering 20 MIPS performance with 3.5 KB (2K x 14) Flash program memory in a 20-QFN (4x4) package. It integrates dual operational amplifiers, dual high-speed comparators, and a two-phase asynchronous feedback PWM module that supports a wide 2.0V to 5.5V operating range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. The PIC16F785 belongs to the PIC16F family, which sits within the broader 8-bit MCU category (8-bit microcontroller -> microcontroller -> semiconductor IC). Mid-range PIC16F parts use a 14-bit instruction word that balances code density, deterministic timing, and ease of programming in C or assembly, making them a workhorse for cost-sensitive embedded designs. Key differentiating features include 128 bytes of SRAM, 256 bytes of EEPROM data memory, nanoWatt power management with multiple low-power sleep modes, a 10-bit ADC with up to 11 channels, and an internal 31 kHz to 8 MHz oscillator. The integrated dual op-amps and comparators let designers build active analog front-ends without external ICs, while the asynchronous feedback PWMs simplify digital power conversion and LED driver topologies. AEC-Q100 qualification makes the part attractive for automotive designs. Architecturally, the PIC16F785 uses a Harvard memory model with separate program and data buses, allowing simultaneous instruction fetch and operand access. The dual op-amps feature configurable reference and output routing, the comparators share an internal DAC reference for adjustable thresholds, and the 10-bit ADC supports both single-ended and differential conversions for sensor signal chains. This high level of analog integration is unusual for a 20-pin part and is the principal reason the device is selected for motor control, lighting, and switch-mode power supplies. Typical applications include LED lighting drivers, switch-mode power supplies (SMPS), battery chargers, motor control loops, sensor signal conditioning, and industrial control boards that need mixed-signal capability at low cost and small footprint. Automotive subsystems such as interior lighting controllers and DC-DC converters are also common uses. Designers should note that the 20-QFN package has an exposed thermal pad that must be soldered to a sufficient copper pour for thermal dissipation. The internal oscillator can drift with temperature, so time-critical UART or USB applications should use an external crystal. The asynchronous PWM module is configured via dedicated registers and requires careful sequencing during start-up to avoid a momentary output glitch. This page consolidates distributor pricing, drop-in pin-compatible alternatives within the PIC16F family, and practical design notes not found on the manufacturer datasheet. Together they accelerate component selection and PCB bring-up for engineers replacing legacy MCUs or scaling production.

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PIC16F785-I/P - 8-Bit 20MHz Flash MCU w/ OpAmps | Microchip
PIC16F785-I/P

PIC16F785-I/P - 8-Bit 20MHz Flash MCU w/ OpAmps | Microchip

The Microchip Technology PIC16F785-I/P is an 8-bit Flash-based mid-range PIC16 microcontroller in a 20-pin PDIP package, integrating dual operational amplifiers, dual high-speed comparators, and a two-phase asynchronous feedback PWM module alongside 3.5KB (2K x 14) of Flash program memory. It runs at up to 20MHz instruction clock and operates across a wide 2.0V to 5.5V supply range, which is unusual for a microcontroller because internal analog blocks typically demand tighter rails. A microcontroller (MCU) is an integrated circuit that combines a CPU, program memory, RAM, and peripherals such as timers, ADC, and communication interfaces into a single chip intended to be embedded in a larger system. The PIC16F785 belongs to Microchip's mid-range x14 instruction set family, positioned between the baseline PIC10/12/16 devices and the enhanced PIC18 family in terms of instruction count and peripheral richness. Key features include 20MHz operation with a 200ns instruction cycle, 3.5KB Flash program memory, 128 bytes of RAM, 256 bytes of EEPROM data memory, 12 ADC channels with 10-bit resolution, two on-chip op-amps, two comparators with programmable reference, two PWM modules, a 2-phase PWM controller, and nanoWatt power management for low-power applications. The integrated op-amps and comparators eliminate the need for external analog components in many sensor-interface and power-conversion designs. The PIC16F785 utilizes Microchip's RISC-based Harvard architecture, separating program and data memory pathways to allow simultaneous instruction fetch and data access. The two-phase asynchronous feedback PWM block is purpose-built for digital control loops, enabling the device to act as both the controller and the analog front-end for offline and isolated power supply designs. Typical applications include switch-mode power supply (SMPS) digital control, LED lighting drivers, battery chargers, motor control, sensor signal conditioning, and consumer appliance control. The combination of analog front-end, programmable gain op-amps, and PWM peripherals on a 5V-tolerant 8-bit core makes the PIC16F785 particularly attractive for power-conversion designs where a separate MCU plus analog IC would otherwise be required. When designing with this device, ensure the analog and digital supply pins (VDD/VSS) are properly decoupled and that unused op-amp/comparator pins are not left floating if their outputs are enabled. The integrated 2-phase PWM requires careful configuration of the asynchronous feedback timing registers to avoid shoot-through in half-bridge topologies, and the on-chip op-amps have limited output swing that must be considered when biasing them for single-supply operation. This page combines the verified Microchip datasheet parameters, current distributor pricing tiers, and a list of pin-compatible same-package drop-in alternatives so engineers can verify the part's fit and quickly plan second sources.

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PIC16F785-I/SO - 8-Bit 20MHz 3.5KB Flash MCU | Microchip
PIC16F785-I/SO

PIC16F785-I/SO - 8-Bit 20MHz 3.5KB Flash MCU | Microchip

The Microchip Technology PIC16F785-I/SO is an 8-bit CMOS Flash-based microcontroller built on the mid-range PIC16 x14 architecture, operating at up to 20 MHz with 3.5KB (2K x 14 words) of Flash program memory, 128 bytes of SRAM, and 256 bytes of EEPROM data memory, housed in a 20-pin SOIC (SO) package. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16F785 belongs to the mid-range PIC16 family, a sub-family of 8-bit RISC microcontrollers that sit within the broader hierarchy of microcontrollers -> embedded processors -> semiconductors. The 14-bit instruction word and 35 single-word instruction set make PIC16 mid-range MCUs easy to program while delivering deterministic 200 ns instruction execution at 20 MHz. Key features include 18 digital I/O pins, two on-chip operational amplifiers, two high-speed comparators, two 10-bit PWM modules with Two-Phase Asynchronous Feedback, a 10-bit ADC with up to 12 channels, and an internal 8 MHz oscillator. The device operates from 2.0V to 5.5V and supports Microchip's nanoWatt Technology for ultra-low-power sleep modes. On-chip peripherals are tuned for analog-intensive applications such as LED lighting, motor control, and power conversion. The architecture combines a Harvard-style 14-bit program bus with an 8-bit data bus, supported by a hardware multiplier-free ALU optimized for bit-manipulation and control-loop math. Internal configurable oscillator options let designers trade frequency accuracy for BOM cost, while the integrated op-amps eliminate external analog front-end components, shrinking PCB area and improving noise immunity by keeping sensitive analog signals on-chip. Typical applications include LED drivers (analog dimming and constant-current regulation using the on-chip op-amps), BLDC and DC motor control (using comparators for back-EMF sensing), battery chargers (using ADC for voltage/current monitoring), and AC/DC power supply primary-side regulation (where the Two-Phase Asynchronous Feedback PWM enables valley-switching topologies). The wide 2.0V-5.5V operating range makes the part usable in 2-cell battery packs, 3.3V logic rails, and 5V industrial systems. When designing with the PIC16F785, leave a decoupling capacitor (typically 100 nF ceramic) within 5 mm of the VDD pin and tie the MCLR pin to VDD through a 10 kohm pull-up (unless in-circuit serial programming is used). Two on-chip op-amps share pins with digital I/O; verify the pin assignment table in the datasheet when both analog and digital functions are needed simultaneously. This page synthesizes real-time distributor pricing, drop-in alternatives, and practical design guidance not found in the standalone Microchip datasheet. It also surfaces cross-brand considerations for engineers managing multi-vendor BOMs.

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PIC16F785-I/SS - 8-bit MCU, 20MHz, 3.5KB Flash, 20-SSOP | Microchip
PIC16F785-I/SS

PIC16F785-I/SS - 8-bit MCU, 20MHz, 3.5KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC16F785-I/SS is a 20 MHz 8-bit flash-based CMOS microcontroller in the PIC16 mid-range (x14) family, packaged in a 20-pin SSOP with 3.5 KB (2K x 14) program flash, 128 bytes of EEPROM data memory and 128 bytes of SRAM, integrating two operational amplifiers, two high-speed comparators, a 10-bit ADC with up to 14 channels, a Capture/Compare/PWM module and a Two-Phase Asynchronous Feedback PWM generator for closed-loop switch-mode control. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a rich set of peripheral blocks such as ADCs, timers, communication ports and comparators. MCUs sit at the lowest tier of the embedded-system hierarchy: sensor/actuator -> MCU -> microprocessor/SoC -> computer. The PIC16F785 belongs to the broader category of 8-bit microcontrollers (8-bit MCU -> microcontroller -> embedded processor -> semiconductor), optimized for low cost, deterministic real-time response and ultra-low sleep current (nanoWatt Technology) in battery-powered designs. Key specifications include 35 single-word instructions, 200 ns instruction execution at 20 MHz, an operating voltage of 2.0 V to 5.5 V (industrial -40C to +85C, I-temp), 12 I/O pins with independent direction control, an enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and a Master Synchronous Serial Port (MSSP) for SPI/I2C. The dual on-chip op-amps and dual comparators, combined with the two-phase PWM, allow a single-chip implementation of peak-current-mode and bridge-type power converters without external analog components. The device is built on Microchip's mature mid-range 14-bit instruction architecture, providing 8-level deep hardware stack, two 8-bit timer/counters (Timer0/Timer2) and one 16-bit timer/counter (Timer1), plus a watchdog timer with its own on-chip RC oscillator. The on-chip debug and In-Circuit Serial Programming (ICSP) interfaces via only two pins, enabling field upgrades and reducing development-tooling cost. Typical applications include switch-mode power supplies (SMPS) using dead-cap below 100 mV ripple, LED drivers with analog dimming using the on-chip op-amps, battery chargers, motor-control reference designs (BLDC, half-bridge and full-bridge topologies), battery monitors and industrial sensor signal conditioning, smart-metering endpoints and low-cost consumer white goods. The AEC-Q100 automotive temperature option makes the part suitable for under-hood and cabin electronics. When designing with the PIC16F785-I/SS, allocate the two op-amp inputs/outputs and two comparator outputs carefully to your analog front-end, and remember that sharing analog pins with digital I/O requires TRIS and ANSEL configuration to avoid contention. Place a 100 nF decoupling capacitor as close as possible to VDD/SSOP pin 1 and pin 20, and provide adequate bulk capacitance if the analog rail is shared with a switching converter. This page synthesizes distributor pricing from 11 sources, parametric drop-in alternatives from the same PIC16 family, application recommendations from Microchip reference designs and practical design notes not found in the manufacturer datasheet alone.

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PIC16F785T-I/SO - 8-Bit MCU, 20MHz, 3.5KB Flash, 18 I/O | Microchip
PIC16F785T-I/SO

PIC16F785T-I/SO - 8-Bit MCU, 20MHz, 3.5KB Flash, 18 I/O | Microchip

The Microchip PIC16F785T-I/SO is an 8-bit Flash-based CMOS microcontroller built on the mid-range x14 architecture, delivering 200 ns instruction execution and 20 MHz clock speed in a 20-pin SOIC (SO-20) wide-body package. According to the Microchip product page, the device integrates 3.5 KB of Flash program memory, 128 bytes of SRAM, 256 bytes of EEPROM data memory, and 18 digital I/O pins, while operating across a 2.0 V to 5.5 V supply range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals (timers, ADC, communication, analog) onto one silicon die. The PIC16F785 sits in Microchip's PIC16 mid-range hierarchy, between the baseline PIC10/12/16 families and the high-performance PIC18/dsPIC families, and is widely deployed in cost-sensitive embedded control applications. The 'x14' instruction set provides 35 single-word instructions, balancing code density with deterministic real-time control. The PIC16F785's most distinctive feature is its integrated analog subsystem: two on-chip operational amplifiers and two high-speed comparators, plus a two-phase asynchronous feedback PWM module (often called the dual-output PWM with feedback). This analog integration allows closed-loop switch-mode power conversion, LED drivers, and analog signal conditioning without external op-amps, shrinking BOM cost and PCB area. A 10-bit ADC with multiple channels further extends the device's analog reach for sensor interfacing. Additional features include nanoWatt Technology for low-power sleep modes, an internal 31 kHz oscillator, an 8 MHz factory-calibrated HFINTOSC, in-circuit serial programming (ICSP), and an on-chip debug interface. The wide 2.0 V to 5.5 V VDD range supports both 3.3 V and 5 V system designs, and the industrial-grade -40 C to +85 C operating range covers commercial and industrial environments. Typical applications include primary-side regulated AC/DC converters, LED lighting drivers with analog dimming, battery chargers, sensor signal conditioning, and small motor control loops. The integrated op-amps and comparators make it especially attractive in topologies that previously required a discrete analog front end alongside a controller. When designing with this part, plan analog component placement carefully because the on-chip op-amps share package pins with general-purpose I/O. Use the AC/DC application note from Microchip as a starting reference for primary-side regulation topologies, and verify headroom for the internal references against the chosen VDD. This page synthesizes distributor pricing from LCSC, DigiKey, and Mouser, drop-in alternative pin-compatible variants of the same die, and practical design notes not collected in the manufacturer datasheet alone, giving procurement and engineering a single authoritative source.

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PIC16F785T/CSD01 - 8-Bit MCU, 20MHz, 3.5KB Flash | Microchip
PIC16F785T/CSD01

PIC16F785T/CSD01 - 8-Bit MCU, 20MHz, 3.5KB Flash | Microchip

The Microchip Technology PIC16F785T/CSD01 is an 8-bit flash-based CMOS microcontroller built on the mid-range x14 architecture, delivered in a 20-pin PLCC package with ball (SMT) terminations. It integrates a 20 MHz core, 3.5 KB (2K x 14 words) of program flash memory, and 128 bytes of RAM, with on-chip EEPROM data memory for non-volatile parameter storage. The CSD01 suffix denotes a specific reel/quantity code in Microchip's tape-and-reel packaging system, while the underlying silicon is identical to the PIC16F785 family. A microcontroller (MCU) is a single-chip computer that combines a CPU, program memory (flash/ROM), data memory (RAM), and a rich set of peripherals into one IC. The PIC16F785 belongs to the 8-bit microcontroller category, which sits inside the broader hierarchy of microcontrollers -> embedded processors -> semiconductor ICs. The PIC16F785 specifically targets applications that combine analog signal conditioning with digital control: it integrates two operational amplifiers, two high-speed comparators, a 14-bit PWM module with two-phase asynchronous feedback, an enhanced USART, an MSSP (SPI/I2C) port, and up to 11 ADC channels. Compared with larger 32-bit Cortex-M parts, it offers fewer peripherals but at far lower power and cost, which is why it remains in demand for sensor-blending and motor-control designs. Key features include a wide 2.0 V to 5.5 V operating range, nanoWatt technology for low sleep currents, an enhanced capture/compare/PWM module, an 8-bit ADC with up to 11 input channels, and dual comparators plus dual op-amps that eliminate external analog components. Together these features allow designers to build closed-loop analog signal paths and digital control loops on the same die. Architecturally, the PIC16F785 uses a 14-bit instruction word with a Harvard bus structure - separate program and data buses - allowing instruction fetch and operand read to occur in parallel. This pipelining, combined with most instructions executing in a single 200 ns instruction cycle at 20 MHz, delivers predictable deterministic timing well suited to real-time control loops. Typical applications include power-conversion controllers (PFC, valley switching, flyback), LED drivers with analog current sensing, brushless DC motor control, sensor-signal conditioning, and white-goods / appliance control boards. The integrated op-amps and comparators let designers replace several discrete analog stages, shrinking the BOM and reducing PCB area. When designing with this part, ensure that the in-circuit serial programming (ICSP) pins are accessible for production programming and field updates, and allocate adequate decoupling on VDD per Microchip's mid-range reference design. This page synthesizes distributor pricing, drop-in same-family pinout equivalents, and practical design notes that are not duplicated in any single manufacturer document.

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PIC16F818-E/ML - 8-bit MCU, 1.75KB Flash, 28-QFN | Microchip
PIC16F818-E/ML

PIC16F818-E/ML - 8-bit MCU, 1.75KB Flash, 28-QFN | Microchip

The Microchip PIC16F818-E/ML is an 8-bit CMOS Flash-based microcontroller with 1.75 KB (1K x 14) of program memory and 128 bytes of EEPROM data memory, housed in a 28-pin VQFN (ML) package with exposed pad. It executes instructions in 200 ns at 20 MHz (10 MIPS) and integrates 5 channels of 10-bit Analog-to-Digital (A/D) conversion, a capture/compare/PWM module, and a synchronous serial port configurable as 3-wire SPI or 2-wire I²C. The "E" suffix denotes the extended industrial temperature range of -40 °C to +125 °C. An 8-bit microcontroller (MCU) is a small programmable processor on a single integrated circuit, combining a CPU core, non-volatile program memory, RAM, and configurable peripherals. PIC microcontrollers belong to the modified Harvard architecture family (program and data memories are separate, accessed via different buses), and the PIC16F818 specifically is part of the mid-range PIC16F sub-family that sits in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. This category is widely used in cost-sensitive, deterministic-control applications where lower power, small footprint, and predictable interrupt latency matter more than raw compute throughput. Key features of the PIC16F818 include an 8 MHz internal oscillator (selectable via configuration bits), nanoWatt power management with multiple sleep modes, brown-out reset (BOR), power-on reset (POR), and a watchdog timer (WDT) for enhanced system reliability. With 16 general-purpose I/O pins and a 20 MHz maximum clock, the device fits between the smaller PIC12/PIC14 series and higher-pin-count PIC18 devices in Microchip's portfolio, giving engineers a balanced mix of capability and simplicity. Typical applications include sensor-interface conditioning with on-chip ADC, low-power battery-operated sensor nodes, LED lighting controllers with PWM, simple motor-speed loops using the CCP module, and small consumer appliances where SPI/I²C peripheral connectivity is required. The wide operating voltage of 2.0 V to 5.5 V and the extended temperature grade make the -E variant suitable for both commercial and industrial environments. When designing with this MCU, ensure that the exposed pad on the bottom of the VQFN-28 (ML) package is soldered to the PCB ground plane for thermal dissipation and electrical performance. Program memory size, EEPROM endurance (typically 100 k cycles), and current consumption in sleep mode should be evaluated against application-specific requirements.

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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/SO 8-Bit 20MHz Flash MCU | Microchip Technology
PIC16F818-I/SO

PIC16F818-I/SO 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F818-I/SO is an 8-bit PIC RISC flash microcontroller rated for operation up to 20 MHz, with 1.75 KB of program memory, 128 bytes of EEPROM data memory, 16 I/O pins, and an 18-pin SOIC package. The device also includes five 10-bit analog-to-digital converter channels, making it suitable for compact embedded-control and analog-sensing designs. A microcontroller is a programmable semiconductor that combines a processor core, program memory, data memory, and peripherals on one integrated circuit. The PIC16F818 belongs to the PIC16 family of 8-bit RISC microcontrollers and sits within the broader hierarchy of embedded controllers, microcontrollers, and semiconductor devices. Its compact feature set supports control, timing, communication, data acquisition, and low-power embedded applications without requiring an external memory device. Key resources include 1.75 KB of flash program memory and 128 bytes of EEPROM data memory. The manufacturer lists an 8 MHz internal oscillator, while the device can operate at up to 20 MHz. Integrated peripherals include five 10-bit ADC channels, capture/compare/PWM functionality, and a synchronous serial port configurable for three-wire SPI or two-wire I²C communication. These resources allow designers to consolidate functions that otherwise require several discrete components. The PIC16F818-I/SO uses a compact 8-bit RISC architecture optimized for straightforward embedded-control tasks. Its flash memory supports in-system reprogramming, while EEPROM provides nonvolatile storage for parameters and retained state. The ADC can measure analog inputs referenced to the device's supply and I/O structure, enabling sensor interfaces, threshold decisions, and process-control loops. Serial peripherals provide paths to displays, sensors, external memories, and other digital devices. Typical applications include compact sensor nodes, thermostat and HVAC controllers, battery-operated instruments, simple motor-control boards, LED sequencing systems, and industrial measurement modules. The five ADC channels are especially useful for monitoring analog quantities, while PWM and capture/compare functions support timing, dimming, and input-event tasks. Configurable SPI or I²C operation helps conserve board area when connecting external peripherals. Designers should verify the device's operating-voltage and temperature limits against the manufacturer datasheet before production release. Decoupling, programming access, oscillator configuration, and analog-input routing must follow the device's recommended application circuit. Because the exact pin assignments are not stated on the product landing page, use the pin-description table in the manufacturer datasheet when assigning PCB nets and connector positions. This page combines the manufacturer's device overview with practical guidance on analog acquisition, serial connectivity, firmware implementation, and drop-in replacement evaluation. It also distinguishes verified electrical resources from parameters that require confirmation in the full datasheet, helping engineers plan a board correctly before committing to a layout or production build.

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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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