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PIC16F77-E/L - 8-bit 20MHz MCU 14KB Flash 44-PLCC | Microchip
PIC16F77-E/L

PIC16F77-E/L - 8-bit 20MHz MCU 14KB Flash 44-PLCC | Microchip

The Microchip Technology PIC16F77-E/L is an 8-bit CMOS FLASH-based microcontroller (MCU) housed in a 44-pin PLCC (Plastic Leaded Chip Carrier, J-Lead) package, featuring 14KB of program memory and 368 bytes of RAM. It executes instructions in 200 ns at 20 MHz and provides 33 digital I/O pins, 8 channels of 8-bit A/D conversion, two 8-bit timers plus one 16-bit timer, dual capture/compare/PWM modules, a synchronous serial port configurable as SPI or I2C, and a USART for asynchronous serial communication. An 8-bit microcontroller is a small computer-on-a-chip that integrates a CPU, program memory (FLASH/ROM), data memory (RAM), and peripherals (timers, ADC, communication interfaces) into a single IC. Within the broader taxonomy, the PIC16F77 belongs to the mid-range PIC16 family, which sits above the baseline PIC10/12/16 families in capability and below the high-performance PIC18 and dsPIC families. These devices are typically used as embedded controllers in industrial, automotive, and consumer products where deterministic behaviour, low power, and ease of programming matter more than raw compute throughput. Key features include 14KB (8K x 14) of self-programmable FLASH, 368 bytes of data RAM, 33 I/O, 8 channels of 8-bit A/D, two PWM modules, hardware USART, and Master SSP supporting SPI and I2C. The wide 2.0V to 5.5V operating range and the extended (-40°C to +125°C) temperature grade (the -E suffix) make the PIC16F77-E/L suitable for harsh-environment industrial control. Architecturally, the PIC16F77 uses Microchip's Harvard RISC architecture with a 14-bit instruction word, separate program and data buses, and a hardware multiplier-free ALU. The advanced peripherals are addressable through a uniform SFR map, and the FLASH is in-circuit serial-programmable (ICSP) via two pins, simplifying field updates without removing the part from the application. Typical applications include industrial control and automation, motor drive (stepper and DC brushed), HVAC controls, instrumentation, security systems, and consumer white goods. The 8-bit ADC and dual PWM make it a common fit for closed-loop feedback control of analogue plant variables such as temperature or pressure. When designing with this MCU, derate I/O sink current per pin and per port per the datasheet's absolute maximum ratings (currently I/Os are constrained by the IR limits), and always reserve two pins for ICSP. The internal oscillator mode can be selected, but external crystal operation gives more accurate UART baud rates in noise-sensitive industrial environments. This page synthesises current distributor pricing for the PIC16F77-E/L, drop-in alternatives that share the 44-PLCC footprint, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16F77-E/ML - 8-Bit 20MHz MCU, 14KB Flash | Microchip
PIC16F77-E/ML

PIC16F77-E/ML - 8-Bit 20MHz MCU, 14KB Flash | Microchip

The Microchip Technology PIC16F77-E/ML is an 8-bit PIC microcontroller with 14KB of flash program memory, 368 bytes of RAM, 33 I/O lines, and a 20 MHz operating speed in a 44-pin VQFN package with exposed pad. It integrates an 8-channel 8-bit analog-to-digital converter, two additional timers, two capture/compare/PWM functions, and a synchronous serial port configurable for SPI or I²C. A USART provides asynchronous serial communication. This combination makes PIC16F77-E/ML suitable for embedded control systems that require mixed digital and analog inputs, timing functions, motor or power control, and multiple serial peripherals. The -E suffix identifies the extended-temperature product grade, while the /ML suffix identifies the 44-VQFN exposed-pad package. The package keeps the controller physically compact while providing an exposed thermal pad for improved heat transfer. Compared with larger-pin-count PIC devices, the 33 available I/O lines support a useful balance of sensing, control, and communications without requiring a high pin count. The 20 MHz operating speed provides additional processing headroom for interrupt-driven acquisition, protocol handling, and real-time control. A designer should account for the exposed-pad thermal and assembly requirements and should confirm the complete 44-pin electrical assignment and decoupling recommendations in the manufacturer datasheet before layout release. This page combines the verified manufacturer and distributor specifications with practical application guidance, a parameter comparison, and package-related design cautions.

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PIC16F77-E/P - 8-bit MCU, 14KB Flash, 20MHz, 40-PDIP | Microchip
PIC16F77-E/P

PIC16F77-E/P - 8-bit MCU, 14KB Flash, 20MHz, 40-PDIP | Microchip

The Microchip PIC16F77-E/P is an 8-bit flash-based CMOS microcontroller from the PIC16 mid-range family, offered in a 40-pin PDIP package with 14 KB of program Flash memory, 368 bytes of RAM, and a 20 MHz maximum operating frequency. The "/P" suffix denotes the 40-pin PDIP (Plastic Dual In-line Package) variant, while the "-E" suffix indicates the Extended (industrial) temperature grade operating from -40 °C to +125 °C. Per the Microchip product page the device integrates 8 channels of 8-bit Analog-to-Digital conversion, 2 capture/compare/PWM modules, 2 additional 8/16-bit timers, and a synchronous serial port that is software-configurable as either a 3-wire Serial Peripheral Interface (SPI) or a 2-wire Inter-Integrated Circuit (I2C) bus, complemented by a Universal Asynchronous Receiver Transmitter (USART) for asynchronous serial links. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, an ALU sized to operate on 8-bit operands, and an integrated instruction set. PIC16 MCUs implement a RISC (Reduced Instruction Set Computer) Harvard architecture with separate program and data buses, allowing the CPU to fetch an instruction from Flash and read/write a data operand in the same cycle. Within the broader semiconductor taxonomy this part sits in the hierarchy microcontroller -> embedded microcontroller -> 8-bit MCU -> RISC MCU -> flash-based MCU -> industrial-grade MCU, and in the system hierarchy it is a compute and control element inside a printed circuit board, sitting above power, sensors, and passives and below the application firmware layer. Key features of the PIC16F77-E/P include 33 digital I/O pins multiplexed with the analog and peripheral functions, an 8-channel 10-/8-bit-capable ADC (per family references eight 8-bit channels on F77), hardware USART for RS-232/485 links, programmable brown-out reset, power-on reset, watchdog timer with its own on-chip low-power oscillator, an in-circuit serial programming (ICSP) interface, and nanoWatt power management with multiple sleep modes. The instruction word is 14 bits wide, the program counter is 13 bits addressing up to 8K words, and interrupts can be sourced from external RB0/INT pins, RB port change, Timer0 overflow, Timer1 overflow, Timer2 match, ADC completion, USART TX/RX, and the synchronous serial port. Typical applications include industrial motor and process control, building automation (HVAC, lighting controllers, security panels), instrumentation front-ends, automotive body and accessory ECUs, point-of-sale terminals, and appliance control boards where the 40-pin PDIP package simplifies hand-rework and breadboard prototyping. The wide 4.0 V to 5.5 V supply range and -40 °C to +125 °C operating range also make the part a common choice for harsh-environment sensor interface boards. When using this device, designers should note that the 8-bit ADC limits raw converter resolution but simplifies firmware, and that the 40-pin PDIP footprint is larger and more accessible than surface-mount equivalents - ideal for legacy or through-hole designs, but not suited to high-density boards. For new designs targeting smaller footprints or richer peripherals, the PIC16F777 family or PIC16F18877 can be reviewed as compatible upgrades sharing the same PIC16 mid-range toolchain and instruction set. This page synthesizes Microchip distributor pricing, the cross-reference landscape from DigiKey and third-party catalog tools, and the same-family drop-in alternatives not consolidated on the manufacturer product page itself, giving engineers a one-stop parametric and commercial snapshot for sourcing decisions.

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PIC16F77-E/PT - 8-bit 20MHz 14KB Flash MCU | Microchip | TQFP-44
PIC16F77-E/PT

PIC16F77-E/PT - 8-bit 20MHz 14KB Flash MCU | Microchip | TQFP-44

The Microchip PIC16F77-E/PT is an 8-bit CMOS FLASH-based microcontroller built on Microchip's PIC16 architecture, delivering 20 MIPS performance from a 200 ns instruction cycle, packaged in a 44-pin TQFP (10x10 mm) with 14KB (8K x 14) of program memory and 368 bytes of RAM. It provides 33 digital I/O lines, an enhanced 8-channel 8-bit A/D converter, two 8-bit timers plus one 16-bit timer, two capture/compare/PWM modules, a synchronous serial port configurable as SPI or I2C, and a USART for asynchronous serial communication. What is a PIC16F microcontroller? The PIC16F family is a class of 8-bit RISC microcontrollers from Microchip Technology (the broader PIC family sits within the microcontroller IC category of integrated circuits). These MCUs combine a Harvard architecture, a small instruction set of only 35 single-word instructions, and on-chip FLASH program memory with built-in peripherals. The PIC16F77 is the higher-pin-count (40/44-pin) variant in the PIC16F7X subgroup, sitting above the 28-pin PIC16F73/76 and below larger PIC18 devices, targeting embedded control applications that need more I/O and analog channels than the 28-pin devices can offer. Key features of the PIC16F77-E/PT include the extended temperature grade ('-E' = -40C to +125C) suitable for industrial and automotive under-hood environments, in-circuit serial programming (ICSP) for field-upgradeable firmware, a programmable brown-out reset, a watchdog timer with its own on-chip RC oscillator for reliability, and a wide 4.0V to 5.5V operating voltage range. The 44-pin TQFP footprint gives access to all 33 I/O pins, 8 ADC channels, and both CCP/PWM modules without sharing limitations of the smaller 28-pin variants. The PIC16F77 uses a 14-bit instruction word with a single accumulator (W) and up to four banks of special function registers. Its FLASH memory is rated for 100,000 erase/write cycles and supports in-circuit programming via two pins, eliminating the need for an external programmer in production. The USART block supports RS-232 and RS-485, while the SSP module can be toggled between SPI master/slave and I2C master/slave modes at run time. Typical applications for the PIC16F77-E/PT include industrial motor control, HVAC fan and damper controllers, automotive body and chassis ECUs, smart sensor signal conditioning front-ends, simple human-machine interfaces (keypad + LCD), and small appliance control boards. The extended -E temperature grade makes it appropriate for outdoor industrial installations and engine-compartment automotive subsystems. When designing with the PIC16F77-E/PT, reserve pins 1 (MCLR) and 32 (OSC1) carefully - MCLR must be tied through a 10 kohm pull-up to VDD and OSC1 needs the crystal or resonator network placed within a few millimeters of the IC. Decouple VDD with 100 nF ceramic on every VDD pin (the 44-pin TQFP has multiple VDD/VSS pairs) and place the bulk 10 uF tantalum near the IC. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with all data verified against Microchip documentation and DigiKey/Mouser listings as of 2026-09-21.

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PIC16F77-I/L - 8-bit PIC MCU, 14KB Flash, 20MHz, 44-PLCC | Microchip
PIC16F77-I/L

PIC16F77-I/L - 8-bit PIC MCU, 14KB Flash, 20MHz, 44-PLCC | Microchip

The Microchip Technology PIC16F77-I/L is an 8-bit CMOS FLASH-based mid-range PIC16 microcontroller packaged in a 44-pin PLCC (16.59x16.59 mm). The device operates at up to 20 MHz clock input, providing a 200 ns instruction cycle and executes 35 single-word instructions, of which only program branches take two cycles. The PIC16F77-I/L features 14KB of FLASH program memory organized as 8K x 14 words, with a RISC architecture designed for deterministic, fast interrupt response in embedded designs. An 8-bit microcontroller (MCU) is a small, self-contained computing device that integrates a CPU, RAM, ROM/FLASH, and peripherals on a single die. The 8-bit MCU family sits at the lower end of performance and cost, well-suited to deterministic real-time control tasks such as motor driving, sensor reading, and user-interface handling. The PIC16F77-I/L belongs to the PIC16 mid-range family of microcontrollers from Microchip, which sits between the baseline PIC10/12/16 families and the high-performance PIC18/dsPIC families. Compared to a 32-bit Cortex-M MCU, an 8-bit PIC16 trades computational throughput for deterministic interrupt latency, simpler instruction set, and lower power consumption. Key features of the PIC16F77-I/L include 8 channels of 8-bit Analog-to-Digital (A/D) conversion, 2 additional timers, 2 capture/compare/PWM (CCP) modules, and a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, plus a USART for asynchronous communication. The 33 digital I/O pins support a wide range of peripheral interfacing. The integrated ADC allows direct connection of up to 8 analog sensors without external multiplexer ICs. The CCP and PWM modules simplify closed-loop control of motors, lighting, and power converters. The RISC Harvard architecture separates instruction and data buses, enabling simultaneous fetch and execute of instructions in a single cycle. FLASH technology allows the program memory to be re-written in-circuit via ICSP (In-Circuit Serial Programming), making firmware updates possible without removing the chip from the board. The 14-bit instruction word provides a compact code density compared to 8-bit baseline PIC devices, while retaining the deterministic interrupt response of the PIC16 family. Typical applications include industrial control systems, HVAC thermostat controllers, motor control (BLDC, stepper, DC), automotive body electronics (non-safety), home appliance user interfaces, sensor signal conditioning, and consumer electronics that require reliable 8-bit processing with mixed-signal integration. The wide operating voltage range (typically 2.0V to 5.5V for the F variant) supports both 3.3V and 5V system designs. The PLCC-44 package provides socket-mount compatibility for legacy designs and easy prototyping. When designing with this device, ensure that the MCLR pin is properly pulled high through a 10kΩ resistor and that the in-circuit serial programming (ICSP) clock and data lines are accessible via a 6-pin header for firmware updates. The brown-out reset (BOR) and power-on reset (POR) circuitry must be enabled via configuration bits for reliable startup in noisy industrial environments. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing engineers a one-stop reference for sourcing, replacement, and application guidance for the PIC16F77-I/L.

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PIC16F77-I/ML - 14KB Flash 8-bit MCU, 44-QFN | Microchip
PIC16F77-I/ML

PIC16F77-I/ML - 14KB Flash 8-bit MCU, 44-QFN | Microchip

The Microchip Technology PIC16F77-I/ML is an 8-bit CMOS Flash-based microcontroller from the mid-range PIC16 family, offering 14KB of in-system programmable program Flash, 368 bytes of RAM, and 33 digital I/O pins in a 44-pin VQFN (ML) package with an exposed thermal pad. It runs at up to 20 MHz instruction clock and operates from 2.0V to 5.5V across an industrial temperature range of -40C to +85C. The device is qualified to Microchip's industrial grade "I" spec. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, peripherals, and interrupt logic in one package; the PIC16F77 belongs to the PIC16 family of 8-bit RISC microcontrollers, which use a Harvard-architecture RISC instruction set with single-cycle execution (excluding branches), widely adopted for low-power embedded control. Within the broader taxonomy, MCUs sit under embedded processors, alongside microprocessors (MPUs) and DSPs, and serve applications requiring deterministic real-time response, low standby current, and minimal external component count. Key features include 8 channels of 8-bit Analog-to-Digital conversion, two additional 8-bit timers (Timer2 and Timer3), two Capture/Compare/PWM modules, a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, and a USART for point-to-point asynchronous or synchronous serial communication. The PIC16F77 also integrates a 14-bit instruction word Flash program memory and supports in-circuit serial programming (ICSP) through the RB6/RB7 pins, enabling field firmware updates without removal from the board. Typical applications include industrial control systems, sensor signal acquisition nodes, motor control peripherals, instrumentation data loggers, HVAC controller boards, and low-to-medium complexity consumer appliances. With its 8-channel ADC and dual PWM, the PIC16F77 is particularly suited to multi-loop closed-loop control such as fan RPM regulation, lighting dimming, or simple variable-frequency drive interface boards. When designing with this device, ensure adequate decoupling on VDD/AVDD and a 4 MHz or higher crystal is only required when UART baud-rate accuracy matters; the internal 4 MHz RC oscillator can be used for cost-sensitive designs. The 44-QFN exposed pad must be soldered to a ground pour to meet the datasheet's thermal specifications; failure to solder the EP will exceed the absolute maximum junction temperature under typical load.

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PIC16F77-I/P - 8-bit 20MHz 14KB FLASH MCU | Microchip | PDIP-40
PIC16F77-I/P

PIC16F77-I/P - 8-bit 20MHz 14KB FLASH MCU | Microchip | PDIP-40

The Microchip Technology PIC16F77-I/P is an 8-bit CMOS Flash-based microcontroller (MCU) from the PIC16F family, featuring a 20MHz maximum operating frequency, 14KB (8K x 14) of Flash program memory, 368 bytes of RAM, and 33 digital I/O pins in a 40-pin PDIP (DIP-40) through-hole package. It integrates an 8-channel 8-bit Analog-to-Digital Converter (ADC), two 8-bit timers plus one 16-bit timer, two Capture/Compare/PWM (CCP) modules, and a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, plus a USART for asynchronous serial communication. An 8-bit microcontroller is a single-chip computer that processes data 8 bits at a time and integrates a CPU core, program memory, RAM, timers, and peripherals on one die. Within the broader semiconductor taxonomy, an MCU sits under microcontrollers, then embedded processors, then digital ICs. The PIC16F family is Microchip's mid-range 8-bit line using a RISC instruction set with only 35 single-word instructions and 200ns instruction execution at 20MHz, making PIC16F77-I/P a classic general-purpose controller for industrial and embedded designs. Key features include brown-out detect (BOD), power-on reset (POR), a watchdog timer (WDT) with its own on-chip RC oscillator for reliable operation, and an in-circuit serial programming (ICSP) interface. The 8-bit ADC has 8 input channels multiplexed onto a single sample-and-hold, suitable for sensor reading and process control. The 33 I/O pins drive up to 25mA per pin (sink/source), enabling direct LED and relay driving without buffers. Architecturally, the PIC16F77 uses a Harvard-style RISC core with separate program and data buses, which gives deterministic single-cycle instruction execution (except branches). The 14-bit wide instruction word allows compact encoding for mid-range PIC instructions. The internal RC oscillator plus optional external crystal up to 20MHz gives designers a flexible clock tree for cost- or accuracy-sensitive designs. Typical applications include industrial process controllers, sensor interface boards, motor control (small DC/brushless via CCP+PWM), HVAC thermostats, security alarm panels, and legacy equipment retrofits. The wide availability of PIC development tools (MPLAB X, XC8 compiler, PICkit programmers) and the 40-pin PDIP package make this part a drop-in upgrade path from older PIC16C7x OTP devices. When designing with this part, note that the 'I' suffix denotes the industrial temperature range (-40C to +85C), and the 'P' suffix indicates PDIP packaging. Engineers migrating to modern designs should consider newer PIC16F1xxx or PIC18 families, but the PIC16F77-I/P remains a strong choice for through-hole industrial designs requiring long-life cycle support. This page synthesizes distributor pricing, drop-in same-package alternatives (PIC16F74, PIC16F76, PIC16F777), and practical design notes not found in a single datasheet view.

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PIC16F77-I/PT - 8-bit Flash MCU, 14KB, 33 I/O, 44-TQFP | Microchip
PIC16F77-I/PT

PIC16F77-I/PT - 8-bit Flash MCU, 14KB, 33 I/O, 44-TQFP | Microchip

The Microchip PIC16F77-I/PT is an 8-bit CMOS Flash microcontroller in the PIC16F7X family, delivered in a 44-pin TQFP (PT) industrial-temperature grade (-40C to +85C) package. It integrates 14KB of Flash program memory, 368 bytes of RAM, and 33 digital I/O pins, and combines an 8-channel 8-bit A/D converter with two additional timers, two Capture/Compare/PWM peripherals, and a configurable synchronous serial port that operates as either 3-wire SPI or 2-wire I2C, alongside a USART for asynchronous communications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic control of peripherals (sensors, motors, displays, communications buses) rather than for raw computational throughput. Within the broader taxonomy, the PIC16F77 belongs to the PIC16 mid-range family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. It uses a Harvard RISC core with a 14-bit instruction word and typically executes most instructions in one cycle, which is the defining architectural choice of the PIC16F mid-range line. Key features include up to 20 MHz operation, hardware USART, master SPI/I2C, two CCP/PWM channels for motor or lighting control, an 8-channel 8-bit ADC, and an operating voltage range suitable for 5V systems. The 33 I/O pins can source or sink up to 25 mA, making the part well-suited for directly driving LEDs, relays, and small solenoids without buffering transistors. Brown-out reset, watchdog timer, and an in-circuit serial programming (ICSP) interface complete the embedded feature set. Typical applications include industrial control panels, appliance control boards, automotive body and aftermarket modules, sensor signal acquisition boards, and general-purpose data-logging front-ends. The combination of Flash memory, ICD-friendly debug, and rich on-chip peripherals lets the PIC16F77 replace multiple 8-bit glue-logic ICs in a single 44-pin TQFP. When designing with this device, plan carefully to allocate ADC, CCP, and USART pins early, since they share I/O with general-purpose GPIO. Always include decoupling (100 nF + bulk) close to VDD/VSS pairs, follow Microchip AN822 and AN589 layout guidance for oscillator stability, and reserve the MCLR pin for a proper reset network with a pull-up.

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PIC16F777-E/ML - 14KB Flash, 8-bit MCU, 44-VQFN | Microchip
PIC16F777-E/ML

PIC16F777-E/ML - 14KB Flash, 8-bit MCU, 44-VQFN | Microchip

The Microchip Technology PIC16F777-E/ML is an 8-bit CMOS flash microcontroller from the PIC16F family, integrating 14KB of Flash program memory, 368 bytes of SRAM, and 256 bytes of EEPROM into a 44-pin QFN package with an exposed thermal pad. The -E suffix denotes the extended industrial temperature grade (-40C to +125C) and the /ML suffix identifies the 44-pin 8x8 mm QFN surface-mount package. The device executes one instruction per 200 ns cycle (20 MHz maximum clock) using Microchip's RISC-based PIC16 instruction set with 35 single-word instructions. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. Within that hierarchy, the PIC16F777 belongs to the 8-bit PIC mid-range family, which sits between Microchip's baseline (PIC10/12/14) and enhanced mid-range (PIC18F) families. The PIC16F family is positioned for cost-sensitive embedded designs requiring moderate computational throughput, low power consumption (nanoWatt technology), and a rich analog/digital peripheral set. The PIC16F777 features 14 channels of 10-bit Analog-to-Digital conversion, three 8/16-bit timers, three Capture/Compare/PWM modules, an MSSP configurable as SPI or I2C, an Enhanced USART with auto-baud detection, a parallel slave port, and nanoWatt power management. The on-chip 10-bit ADC with up to 14 input channels enables direct sensor interfacing without external ADCs, while the dual-oscillator nanoWatt technology supports primary, secondary, and internal oscillator modes for ultra-low-power operation. Architecturally, the device uses a Harvard bus architecture with separate program and data paths, a 14-bit-wide instruction word, and a 14-level deep hardware stack. The integrated Brown-out Reset (BOR), Power-on Reset (POR), and Watchdog Timer with its own on-chip RC oscillator provide five operating modes that together make the PIC16F777 tolerant of noisy industrial power rails. Industrial-grade operating voltage range is 2.0V to 5.5V. Typical applications include industrial control and sensor nodes, HVAC and building automation, motor control (BLDC, stepper), automotive body electronics, consumer appliance interfaces, instrumentation data logging, and USB-to-UART bridges when paired with an external FTDI or MCP2200 bridge IC. The wide peripheral integration reduces BOM cost for these designs. When designing with the PIC16F777, plan for ICSP programming via PGC/PGD pins shared with RB6/RB7, verify the exposed pad is soldered to the ground plane for thermal dissipation, and use Microchip's MPLAB X IDE with the XC8 compiler for development. This page synthesizes drop-in alternatives, pricing tiers, and design notes that are not collected in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a 360-degree reference for sourcing and engineering decisions.

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PIC16F777-E/P - 20MHz 8-Bit Flash MCU | Microchip Technology
PIC16F777-E/P

PIC16F777-E/P - 20MHz 8-Bit Flash MCU | Microchip Technology

The Microchip Technology PIC16F777-E/P is an 8-bit PIC microcontroller with 14 KB of Flash program memory, 36 I/O lines, and a maximum clock frequency of 20 MHz, supplied in a 40-pin PDIP package. It integrates 14 channels of 10-bit analog-to-digital conversion, three timers, three Capture/Compare/PWM modules, SPI, I2C, and USART communication, making it suitable for embedded control applications requiring broad peripheral support. A PIC microcontroller is a compact embedded-control IC combining a processor core, program memory, data memory, I/O ports, and dedicated peripherals on one integrated circuit. PIC16F777 belongs to the PIC16 family of 8-bit RISC devices. Within the embedded-control hierarchy, it is a flash-programmable microcontroller with analog measurement and serial-communication capabilities rather than a general-purpose processor or a standalone analog component. The verified device information identifies 14 KB of Flash memory, a 20 MHz operating frequency, and 5 V operation. Its 14-channel, 10-bit ADC supports quantized analog measurements, while three timers and three Capture/Compare/PWM functions provide timing, edge capture, comparison, and pulse-width-modulation resources. The synchronous serial port supports either three-wire SPI or two-wire I2C operation, and a USART provides asynchronous serial communication. The PIC16F777-E/P uses a RISC-based 8-bit architecture and combines 36 I/O lines with multiple communication peripherals. Its 40-pin PDIP package exposes the analog, digital, power, programming, and clock-related connections through a through-hole footprint. Because the verified data does not provide complete register definitions, electrical limits, or a full pin table, those details should be confirmed against the manufacturer documentation before final schematic or firmware sign-off. Typical uses include industrial control and automation, instrumentation with analog sensing, communications equipment, and general embedded products. The ADC supports sensor-oriented designs, the timers and PWM functions assist actuator and motor-control tasks, and SPI, I2C, and USART permit connection to displays, transceivers, memory devices, and other controllers. The -E/P order code denotes the supplied package and temperature-grade configuration. Designers should reserve the programming and debug connections required by the PIC16F777 family and verify signal levels, peripheral multiplexing, and analog-channel availability in the manufacturer pin and electrical documentation. Software should account for the shared I/O resources and configured peripheral functions. Because the supplied snippets do not confirm full operating-temperature limits or absolute maximum ratings, those values must not be inferred from the E designation alone. This page consolidates verified manufacturer features, distributor availability references, package information, and selection guidance. It also distinguishes the confirmed PIC16F777-E/P data from missing electrical, pinout, pricing, and lifecycle details, helping engineers identify what must still be checked in the official datasheet before design release.

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PIC16F777-E/PT - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16F777-E/PT

PIC16F777-E/PT - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip PIC16F777-E/PT is an 8-bit CMOS Flash-based PIC16F microcontroller running at 20MHz, integrating 14KB (8K x 14 words) of Flash program memory, 368 bytes of SRAM, and 256 bytes of EEPROM data memory in a 44-pin TQFP (PT) package. The "E" suffix denotes the Extended (-40C to +125C) operating temperature range, while "/PT" specifies the 10x10mm 44-pin TQFP surface-mount form factor. What is a PIC16F microcontroller? The PIC16F family is Microchip's enhanced mid-range 8-bit MCU lineup built on a Harvard-architecture RISC core. It belongs to the broader category of microcontrollers -> embedded controllers -> microprocessors -> semiconductors. PIC16F parts use a 14-bit instruction word, execute most instructions in a single 200ns cycle at 20MHz, and offer Flash program memory with in-circuit serial programming (ICSP). They are positioned between the baseline PIC10/12/16 families and the high-performance PIC18 family. The PIC16F777 features 14 channels of 10-bit Analog-to-Digital Conversion (ADC), three timers (Timer0, Timer1, Timer2), three Capture/Compare/PWM modules, and a Master Synchronous Serial Port (MSSP) configurable as SPI or I2C. It also integrates an Enhanced USART, nanoWatt power management for low-power sleep modes, and up to 36 digital I/O pins. The instruction set is upwards-compatible with PIC16C5X, PIC12CXXX, and PIC16C7X devices. Architecturally, the PIC16F777 uses a RISC core with a hardware multiplier, single-cycle branching, and a deep interrupt stack. The 10-bit ADC samples at up to approximately 100 ksps with 14 input channels multiplexed across PORTA, PORTB, PORTE, and PORTF, enabling direct connection to sensor arrays and analog front-ends. The nanoWatt technology provides dynamic switching between Run, Idle, and Sleep modes to support battery-powered applications. Typical applications include industrial control and instrumentation, sensor signal conditioning, motor control (low-speed), HVAC environmental sensors, automotive body electronics (non-safety), consumer appliance control, and embedded data acquisition. The 14 ADC channels make it well-suited for multi-parameter sensing front-ends, while the PWM modules support simple motor or LED brightness control. When designing with this MCU, allocate pin 1 (MCLR) with a proper reset circuit, route AVCC/AGND separately for ADC accuracy, and use decoupling capacitors of 100nF and 10uF near VDD pins. Consider migrating to the PIC18F family if your application requires higher throughput, CAN, USB, or more than 14KB of Flash memory. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the PIC16F777-E/PT for both new designs and legacy maintenance.

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PIC16F777-I/ML - 14KB Flash, 14x10-bit ADC 8-bit MCU | Microchip
PIC16F777-I/ML

PIC16F777-I/ML - 14KB Flash, 14x10-bit ADC 8-bit MCU | Microchip

The Microchip Technology PIC16F777-I/ML is a 44-pin 8-bit CMOS flash microcontroller featuring 14 KB of program memory, 368 bytes of RAM, and 36 digital I/O pins, housed in a 44-lead VQFN package with an exposed thermal pad. The part runs at up to 20 MHz from a 2.0 V to 5.5 V supply and integrates 14 channels of 10-bit Analog-to-Digital conversion, three 8/16-bit timers, three Capture/Compare/PWM (CCP) peripherals, an enhanced USART, and a Master SSP configurable for SPI or I2C. The -I temperature grade suffix denotes the industrial -40 °C to +85 °C operating range, and the /ML suffix denotes the 44-pin VQFN (8x8 mm) package. What is a flash-based 8-bit PIC microcontroller? It is a single-chip computer that combines a CPU, non-volatile flash program memory, SRAM, EEPROM, and configurable peripherals on one die. Within Microchip's portfolio, the PIC16F family sits between the baseline PIC10/12/16 and the high-performance PIC18/dsPIC families, offering an enhanced mid-range 14-bit instruction set with nanoWatt Technology dynamic power management. The PIC16F777 occupies the upper end of this family - the highest pin count (in 40/44-pin variants) and the largest memory mix - making it a natural choice for systems that need more I/O and peripherals than a 28-pin PIC16F73/76 can deliver. The defining features are its 14-channel 10-bit ADC, 36 I/O lines (PIC16F747/777 only - the PIC16F737/767 28-pin parts expose fewer), dual analog comparators, and nanoWatt Technology that drops I_DD below 1 µA in sleep. Internal 8 MHz oscillator accuracy is factory calibrated to within ±1 %, and an optional 31 kHz LFINTOSC plus software PLL lets the system wake, process, and return to sleep with very low average current. The PIC16F777 also has 256 bytes of internal EEPROM for non-volatile data. Typical applications include industrial sensor hubs with 4-20 mA or 0-10 V analog front-ends, HVAC and appliance control boards, BLDC/PMSM low-speed fan or pump controllers, automotive body and accessory ECUs, and home-automation gateways. Its five CCP/ECCP channels and dual analog comparators enable mixed-signal feedback control without external logic. The industrial temperature grade plus wide supply range makes it suitable for both indoor consumer devices and rugged industrial enclosures. When designing with the PIC16F777-I/ML, budget VQFN PCB real estate for the exposed thermal pad and route the supply pins (VDD/VSS pairs) with a star or grid topology to keep ADC noise low. For 10-bit ADC accuracy, follow Microchip application note AN546 (PCB layout for PICmicro MCUs) and keep analog and digital ground domains separated under a single-point tie at the VSS pins. Verify ISP timing against the PIC16F777 programming specification (DS39025) if you use AC244061 in-circuit debug headers. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F777-I/P - 8-Bit 20MHz 14KB Flash MCU | Microchip | 40-PDIP
PIC16F777-I/P

PIC16F777-I/P - 8-Bit 20MHz 14KB Flash MCU | Microchip | 40-PDIP

The Microchip Technology PIC16F777-I/P is an 8-bit CMOS Flash-based microcontroller in the PIC16F family, featuring a 20MHz maximum clock speed, 14KB (8K x 14) of Flash program memory, and a 40-pin PDIP (Plastic DIP) through-hole package. It integrates 14 channels of 10-bit Analog-to-Digital (A/D) conversion, 3 timers, 3 Capture/Compare/PWM modules, an SSP configurable as SPI or I²C, and a USART for asynchronous serial communication. An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data path, integrating a CPU, program memory (ROM/Flash), data RAM, and peripherals on a single die. Within the semiconductor hierarchy, MCUs sit under microcontrollers -> embedded processors -> digital ICs. PIC16F-series parts occupy Microchip's mid-range position between baseline PIC10/12/16 and enhanced PIC18, targeting cost-sensitive embedded designs that need more peripherals than baseline parts but not the overhead of a 16-bit or 32-bit core. Key features include 200ns instruction execution, only 35 single-word instructions for simplified programming, nanoWatt power management for low-power modes, and upwards compatibility with PIC16C5X, PIC12CXXX, and PIC16C7X devices. The 10-bit ADC with 14 input channels enables direct sensor interfacing, while the dual CCP modules deliver flexible PWM, capture, and compare functions for motor control and signal generation. The USART plus configurable SSP give designers both asynchronous RS-232/485 and synchronous SPI/I²C in one peripheral block. The PIC16F777 uses a Harvard architecture with separate program and data buses, providing deterministic instruction fetch and allowing the CPU and memory to operate concurrently. Its RISC instruction set with 35 fixed-format instructions simplifies compiler support (MPLAB XC8) and accelerates bring-up. The 40-pin PDIP package is breadboard-friendly and supports hand-soldering for prototypes and low-volume production runs. Typical applications include industrial control systems, motor control boards, sensor interface front-ends, consumer appliances, and educational/development platforms. The wide 2.0V-5.5V VDD range supports both 3.3V and 5V rails, and the 14 ADC channels suit multi-zone temperature, voltage, or current monitoring. When designing with this part, plan for the 40-pin PDIP footprint and supply a stable clock source (crystal, resonator, or internal oscillator). Designers migrating from PIC16C7X or PIC12CXXX can reuse code with minimal modification thanks to upwards compatibility. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F777-I/PT - 8-bit 20MHz MCU, 14KB Flash, 44-TQFP | Microchip
PIC16F777-I/PT

PIC16F777-I/PT - 8-bit 20MHz MCU, 14KB Flash, 44-TQFP | Microchip

The Microchip Technology PIC16F777-I/PT is an 8-bit PIC16 family CMOS Flash microcontroller delivering 20 MHz (200 ns instruction cycle) performance with 14 KB of program Flash (8K x 14 words), packaged in a 44-pin TQFP (PT) 10x10 mm outline. The '-I' suffix denotes the industrial temperature grade (-40C to +85C) and '/PT' denotes the TQFP package. An 8-bit microcontroller (microcontroller unit, MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, EEPROM, timers, communication peripherals, and interrupt logic. PIC microcontrollers use a Harvard-style RISC architecture that separates program and data memory buses; this family sits in the mid-range tier of Microchip's PIC16 portfolio and inherits the PIC16C5X, PIC12CXXX, and PIC16C7X instruction set. It belongs to the broader hierarchy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. The PIC16F777 integrates 14 channels of 10-bit Analog-to-Digital conversion, 3 timers, 3 Capture/Compare/PWM modules, an MSSP-style synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, and a USART with RS-485 support. The device includes 2 comparators, a Parallel Slave Port, and 36 digital I/O pins across the 44-pin variant. nanoWatt technology is included for power-managed sleep and idle modes. This part is a Flash, self-programmable derivative of the PIC16C7X family. Programming is achieved through the ICSP (In-Circuit Serial Programming) interface, and the architecture is fully compatible with the PIC16F876A / PIC16F877A ecosystem, allowing code portability between the 28-, 40-, and 44-pin variants. Code is written in assembly or C with MPLAB XC8. Typical applications include industrial control panels, motor control (BLDC, DC brushed), HVAC control driving, sensor signal conditioning, factory automation, and battery management subsystems. The 14 ADC channels suit multi-sensor interfaces such as temperature, pressure, and current monitoring. When designing with the PIC16F777-I/PT, observe that the maximum clock rate is 20 MHz (not 40 MHz like the PIC18 family). The I/O supply rail VDD must be decoupled locally, and the MCLR reset pin must be pulled high through a resistor for normal operation. The 44-pin TQFP package shares its land pattern with the PIC16F877A-I/PT and PIC16F74-I/PT. This page synthesizes distributor pricing, drop-in TQFP-44 alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F777T-I/ML - 8-bit 20MHz 14KB Flash MCU 44-QFN | Microchip
PIC16F777T-I/ML

PIC16F777T-I/ML - 8-bit 20MHz 14KB Flash MCU 44-QFN | Microchip

The Microchip Technology PIC16F777T-I/ML is an 8-bit PIC16 family flash microcontroller with a 20 MHz core, 14 KB of FLASH program memory (8K x 14 words), 368 bytes of SRAM, and 36 digital I/O lines. The device is offered in a 44-lead QFN (ML) 8x8 mm package with an exposed thermal pad, and the suffix "T" denotes tape-and-reel packaging while "I" denotes the industrial -40C to +85C temperature grade. According to the Microchip PIC16F777 datasheet (DS30569), the part provides 14 channels of 10-bit ADC, three timers, three PWM modules, two Capture/Compare/PWM peripherals, a USART, MSSP (SPI/I2C), and NanoWatt technology power management. An 8-bit microcontroller (MCU) is a small, single-chip computer built around an 8-bit data path that integrates a CPU core, non-volatile program memory (FLASH or ROM), volatile working memory (SRAM), digital I/O, and on-chip peripherals such as timers, ADC, and serial interfaces. MCUs sit at the lowest level of the embedded computing hierarchy - below microprocessors - and are designed to run deterministic real-time control loops in products ranging from washing machines to industrial sensors. The PIC16F777 belongs to the mid-range PIC16 family, which Microchip introduced as a successor to the baseline PIC16C5X and PIC12CXXX lines, and which remains fully code-compatible with the PIC16C7X OTP family. Key features that differentiate the PIC16F777T-I/ML include NanoWatt power management with multiple idle/sleep modes that drop supply current into the microamp range, an extended instruction set of 35 single-word instructions, 200 ns instruction execution, and an integrated ICD/ICSP programming/debug interface that allows in-circuit firmware updates without removing the part. The 44-pin QFN footprint also exposes a high pin count (36 I/O) suitable for human-interface or motor-control panels. The architecture is a Harvard RISC design with separate program and data buses, a hardware multiplier, and an 8-level deep hardware stack. Combined with the 14-channel 10-bit ADC, this makes the part suitable for sensor-fusion and closed-loop control. Typical applications include industrial control panels, HVAC thermostats, motor-control front-ends, automotive body electronics, white goods user-interface boards, and remote sensor nodes. Designers favor this family when deterministic real-time response, on-chip ADC, and code-protectable FLASH outweigh the need for a Cortex-M class core. Designers should plan for an external 20 MHz resonator, a 100 nF decoupling cap on VDD, and a bulk 10 uF cap near the analog AVdd pin to keep ADC readings clean. Circuit placement near noisy switching stages should be avoided or shielded. This page synthesizes verified distributor pricing, parametric drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F777T-I/PT - 14KB Flash 8-bit MCU 36 I/O TQFP-44 | Microchip
PIC16F777T-I/PT

PIC16F777T-I/PT - 14KB Flash 8-bit MCU 36 I/O TQFP-44 | Microchip

The Microchip Technology PIC16F777T-I/PT is an 8-bit CMOS FLASH-based microcontroller from the PIC16F family, offering 14KB (8K x 14) of program memory and 368 bytes of RAM in a 44-pin TQFP (10x10 mm) package. It executes instructions in a 200 ns cycle, runs at up to 20 MHz, and operates from a 2V to 5.5V supply while drawing only nanoWatt-class idle currents. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU, non-volatile program memory (FLASH/ROM), volatile data memory (RAM), and a set of peripheral modules on a single die. Within the embedded hierarchy, MCUs sit below microprocessors (MPUs) and above generic logic ICs; the PIC16F family is a mid-range 8-bit architecture positioned between the baseline PIC10/12/16 families and the high-performance PIC18/dsPIC families. The "PIC" name derives from "Peripheral Interface Controller," and the 16F series is widely used in industrial control, sensor interfacing, and consumer white goods. Key features of the PIC16F777T-I/PT include 14 channels of 10-bit Analog-to-Digital conversion (A/D), three timers, three Capture/Compare/PWM (CCP) modules, two analog comparators, a USART, an I2C/SPI master synchronous serial port, and 36 digital I/O pins. The device supports in-circuit serial programming (ICSP) via two pins, eliminating the need for an external programmer in field updates. Its nanoWatt power-management modes make it attractive for battery-powered instrumentation. Architecturally, the PIC16F777 uses a 14-bit instruction word with a Harvard bus that separates program and data memory, allowing simultaneous fetch and read/write. The 10-bit ADC uses successive-approximation with a 200 ksps sample rate, suitable for sensor conditioning at audio-bandwidth speeds. The 36 I/O lines are organized into five ports (PORTA through PORTE) with individual interrupt-on-change capability, and the device is pin-compatible with the smaller PIC16F747 (40/44-pin variant) within the same datasheet family. Typical applications for the PIC16F777T-I/PT include industrial sensor hubs (temperature, pressure, and 4-20 mA loop monitoring), motor control subsystems with PWM-driven H-bridges, smart metering and data loggers, automotive body electronics (non-safety), and consumer appliance controllers (washing machines, coffee makers, HVAC thermostats). The 14-channel ADC makes it particularly suitable for multi-sensor aggregation nodes. When designing with this part, allocate analog and digital supply pins separately (AVDD/AVSS) and decouple each VDD pin with 100 nF plus bulk capacitance. Reserve pins 1 (MCLR/RE3) and 39-40 (OSC1/OSC2) for reset and clocking; using an internal 8 MHz oscillator can free these pins for I/O if precise timing is not required. The "-I" suffix indicates the industrial -40C to +85C temperature grade; the "T" suffix denotes Tape & Reel packaging. This page synthesizes distributor pricing from LCSC/DigiKey/Mouser, drop-in PIC16F family alternatives sharing the TQFP-44 footprint, and practical design notes not found in the manufacturer datasheet alone - including thermal behavior, decoupling strategy, and supply-pin routing.

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PIC16F77T-E/L - 8-Bit 20MHz 14KB Flash MCU | Microchip | 44-PLCC
PIC16F77T-E/L

PIC16F77T-E/L - 8-Bit 20MHz 14KB Flash MCU | Microchip | 44-PLCC

The Microchip Technology PIC16F77T-E/L is an 8-bit CMOS FLASH-based microcontroller from the PIC16F7X series, delivering 20MHz core performance with 14KB (8K x 14 words) of program memory in a 44-pin PLCC (Plastic Leaded Chip Carrier) package supplied on Tape & Reel. It features 368 bytes of RAM, 256 bytes of EEPROM data memory, and an instruction execution time of 200 nanoseconds through its RISC architecture with 35 single-word instructions. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (FLASH/ROM), data memory (RAM), timers, communication peripherals, and I/O ports - all integrated into one IC. The PIC16F77T-E/L belongs to the 8-bit MCU category within Microchip's PIC16 family, which sits in the broader hierarchy of: PIC16F77 -> PIC16F7X sub-family -> PIC16 mid-range family -> PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers -> semiconductors. Its architecture is upward compatible with PIC16C5X, PIC12CXXX, and PIC16C7X devices, easing migration for legacy designs. Key features include 8 channels of 8-bit Analog-to-Digital (A/D) conversion with 2 additional channels of 8-bit A/D on the 40/44-pin variants, multiple timer modules, a USART/SCI serial interface, and an I/O/SS voltage flexibility rating that supports both 5V and 3.3V system designs. The 'T' suffix indicates Tape & Reel packaging, while 'E' designates the Enhanced industrial temperature range (-40C to +125C), and 'L' denotes the 44-pin PLCC package. It includes a comprehensive peripheral set: 3 timers, 2 capture/compare/PWM modules, and a watchdog timer. The PIC16F77T-E/L utilizes Microchip's RISC Harvard-architecture core with separate program and data buses, enabling simultaneous instruction fetch and data access. This architecture provides deterministic timing critical for real-time control applications and minimizes interrupt latency. The FLASH program memory supports in-circuit serial programming (ICSP), allowing firmware updates without removing the device from the board. Typical applications include industrial control systems, motor control, instrumentation, sensor interfaces, and embedded consumer products. The wide operating voltage (2.0V-5.5V for F-variant; 4.0V-5.5V typical) and extended temperature range make it suitable for harsh-environment deployments. It is also a popular choice in educational and hobbyist projects due to its mature toolchain (MPLAB IDE, PICkit programmers). When designing with this device, consider its 5V typical operating voltage for legacy industrial designs. The 44-PLCC package requires through-hole PCB mounting or socket, which simplifies prototyping but is less suitable for high-vibration environments. For new designs requiring modern peripherals, evaluate the PIC18F or PIC24 families, but for legacy drop-in replacement and existing PCB reuse, the PIC16F77T-E/L remains a viable solution. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16F77T-E/PT - 8-Bit 20MHz 14KB Flash MCU TQFP-44 | Microchip
PIC16F77T-E/PT

PIC16F77T-E/PT - 8-Bit 20MHz 14KB Flash MCU TQFP-44 | Microchip

The Microchip Technology PIC16F77T-E/PT is an 8-bit RISC microcontroller belonging to the PIC16 mid-range family, featuring 14KB of Flash program memory organized as 8K x 14 words, 368 bytes of RAM, and a 44-pin TQFP surface-mount package. Operating at a clock speed of up to 20 MHz, it supports supply voltages from 4.0V to 5.5V and is rated for the industrial temperature range with the -E suffix. The 'T' suffix denotes Tape & Reel packaging while /PT identifies the 10x10 mm TQFP-44 footprint. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor widely used in embedded control applications; it executes one instruction per cycle (except branches) and integrates Flash program memory, RAM, peripherals (ADC, comparators, timers, USART, PWM, etc.), and a brown-out reset into a single IC. Positioned in the broader hierarchy, PIC16 MCUs sit above PIC10/PIC12 baseline parts and below PIC18/PIC24 enhanced parts, and within Microchip's lineup they serve cost-sensitive real-time control tasks where deterministic interrupt latency and mature toolchain support are valued. Key features of the PIC16F77T-E/PT include five 8-bit I/O ports providing up to 33 digital I/O pins, a 10-bit multi-channel ADC, two analog comparators, three timers (Timer0, Timer1, Timer2), a USART with 9-bit address detection, capture/compare/PWM modules, and an internal watchdog timer. The device also supports in-circuit serial programming (ICSP) for field updates. Architecture-wise, the PIC16F77 uses a 14-bit instruction word and 35 single-word instructions, enabling a 200 ns instruction cycle at 20 MHz. Internal RC oscillator options reduce external component count, while the enhanced CCP module simplifies motor-control and SMPS designs. The brown-out reset and power-on reset circuitry improve robustness in industrial environments. Typical applications include industrial automation controllers, motor control subsystems (BLDC, stepper, relay drive), digital signal conditioning, consumer appliance control panels, HVAC and thermostat front-ends, sensor signal preprocessing, and automotive interior accessories (non-safety). It is also a common drop-in choice for upgrading legacy PIC16C/PIC16F designs that need additional code space. When designing with this part, allocate the oscillator and MCLR circuitry per datasheet recommendations and verify ADC acquisition time against source impedance. Programming via ICSP requires a 4-pin header with proper isolation to avoid loading the signals during debug. This page consolidates distributor pricing, drop-in alternatives in the same TQFP-44 footprint, and design notes that complement - but do not replace - the manufacturer datasheet.

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PIC16F77T-I/L - 8-Bit 20MHz 14KB Flash MCU | Microchip | 44-PLCC
PIC16F77T-I/L

PIC16F77T-I/L - 8-Bit 20MHz 14KB Flash MCU | Microchip | 44-PLCC

The Microchip Technology PIC16F77T-I/L is an 8-bit CMOS FLASH-based microcontroller from the PIC16F mid-range family, executing instructions in 200 ns (5 MIPS at 20 MHz) and shipping in a 44-pin PLCC (J-lead) package with tape-and-reel packaging. The device integrates 14 KB of program FLASH (8K x 14 words), 368 bytes of RAM, and 33 digital I/O pins suitable for embedded control applications. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and configurable peripherals. Within the broader taxonomy, MCUs sit inside the category of microprocessors -> semiconductors -> integrated circuits. PIC16F-series parts are Microchip's mid-range 8-bit RISC architecture family, positioned above the baseline PIC16C5X/PIC12CXXX devices and below the enhanced PIC18F family, offering an optimized balance of instruction simplicity (35 instructions), on-chip FLASH program storage, and analog/digital peripherals. Key features of the PIC16F77T-I/L include a 20 MHz maximum operating clock, 8 channels of 8-bit Analog-to-Digital conversion, two additional timing modules (CCP and USART), 8K x 14 word FLASH program memory, 368 bytes of RAM, an operating voltage range of 2.0V to 5.5V across the -40C to +85C industrial temperature range, and 33 I/O pins with high-current sink/source capability. The device supports in-circuit serial programming (ICSP) via two pins, allowing firmware updates after PCB assembly. The PIC16F77T-I/L uses a Harvard RISC architecture with separate program and data buses, plus a 14-bit instruction word that improves code density over baseline 12-bit PIC devices. The on-chip ADC with 8 channels enables direct analog sensor interfacing without external components, while the integrated USART supports asynchronous and synchronous serial communication for legacy industrial protocols. The combination of FLASH memory, low power consumption, and integrated peripherals enables compact designs with reduced BOM count. Typical applications include industrial control systems (sensor conditioning, motor drive control, process monitoring), automotive body electronics (interior lighting, instrument panels, HVAC controllers), home appliances (washing machines, microwave ovens, thermostats), data acquisition systems, and legacy embedded control upgrades replacing PIC16C7X designs. The PIC16F77 is fully instruction-set compatible with the PIC16F73/74/76 family, simplifying code migration. When designing with this part, allocate the oscillator circuit (crystal or resonator on OSC1/OSC2) carefully - load capacitor values must match the crystal manufacturer's specification, typically 15-33 pF. For ADC accuracy, place AVss and AVdd (or Vdd/Vss when dedicated analog supply pins are unavailable) separately and use proper analog ground isolation techniques to avoid digital switching noise coupling into conversion results.

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PIC16F77T-I/PT - 8-Bit PIC MCU, 14KB Flash, 20MHz, 44-TQFP | Microchip
PIC16F77T-I/PT

PIC16F77T-I/PT - 8-Bit PIC MCU, 14KB Flash, 20MHz, 44-TQFP | Microchip

The Microchip Technology PIC16F77T-I/PT is an 8-bit RISC FLASH microcontroller from the PIC16F7x family, delivering 20MHz (200 ns) instruction execution, 14KB (8K x 14) of program FLASH, 368 bytes of RAM, and 256 bytes of EEPROM data storage in a 44-pin TQFP (10x10 mm) package supplied on tape and reel. Background: A PIC (Peripheral Interface Controller) microcontroller is a Harvard-architecture 8-bit MCU family originally developed by General Instrument and now owned by Microchip Technology. The PIC16F series sits in the mid-range PIC tier, distinguished from baseline PIC10/12/14 and high-end PIC18 families, and belongs to the broader category of embedded microcontrollers (MCU -> microcontroller -> embedded processor -> semiconductor). It is widely used in industrial control, sensor interfacing, and white-goods applications where deterministic instruction timing and small footprint matter more than raw compute throughput. Key features include a 14-bit instruction word, 35 single-word instructions, eight channels of 8-bit Analog-to-Digital conversion with two additional input channels, up to 33 digital I/O pins, USART, MSSP (SPI/I2C), PWM, capture/compare, and two 8-bit timers plus one 16-bit timer. Brown-out Reset (BOR), Power-On Reset (POR), watchdog timer, and In-Circuit Serial Programming (ICSP) round out the safety and debug feature set required for unattended industrial deployment. Architecture: The PIC16F77T-I/PT uses a 14-bit wide program memory bus and an 8-bit data bus with 14 special-function hardware registers. Programmable interrupt vectoring and an 8-level hardware stack support real-time event handling. The device operates from 2.0 V to 5.5 V (extended) or 4.0 V to 5.5 V (standard), enabling designs that must survive brown-out and noisy supply rails typical of motor and solenoid switching environments. Typical applications include industrial control panels, sensor-interface front ends, low-frequency data acquisition, motor-control co-processors, instrumentation, and consumer appliance control. The wide supply tolerance and built-in A/D channel count make it suitable for systems that read several analog sensors while driving relays, LEDs, or other digital loads. Design consideration: When laying out a 44-TQFP PCB, reserve a ground pour under the exposed pad for thermal relief, place decoupling capacitors within 5mm of the VDD pins, and assign each analog A/D input its own dedicated AGND return path to preserve conversion linearity. The -I suffix indicates the industrial temperature grade (-40C to +85C). This page synthesizes distributor pricing, package-pinned drop-in alternatives from across the PIC16F7x family, and practical PCB design notes not aggregated in a single place on the manufacturer website.

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PIC16F77T-I/PTG - 8-Bit 20MHz MCU 14KB Flash 44-TQFP | Microchip
PIC16F77T-I/PTG

PIC16F77T-I/PTG - 8-Bit 20MHz MCU 14KB Flash 44-TQFP | Microchip

The Microchip Technology PIC16F77T-I/PTG is an 8-bit PIC® microcontroller from the PIC16F family, featuring a 20MHz CPU, 14KB (8K x 14) of Flash program memory, 368 bytes of RAM, and 33 I/O pins, all housed in a 44-pin TQFP (PT) 10x10mm package. What is a PIC16F 8-bit microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a CPU, memory, and peripherals. The PIC16F series sits in Microchip's mid-range PIC architecture hierarchy (PIC10/12/18 -> PIC16F mid-range -> PIC24/dsPIC), designed for low-power, deterministic embedded control with a small instruction set optimized for C and assembly programming. Key features include 14KB self-programmable Flash, 368 bytes RAM, 8 channels of 8-bit Analog-to-Digital (A/D) converter, 2 additional timers, and a 200ns instruction execution time. The TQFP-44 footprint provides a generous 33 I/O pins for parallel interfaces, making it well-suited for human-machine interface (HMI) panels and motor-control feedback networks. The PIC16F77T-I/PTG uses Microchip's enhanced Harvard RISC architecture with only 35 single-word instructions, providing deterministic 5 MIPS performance at 20MHz. The integrated 8-channel 8-bit ADC, PWM modules, and USART enable direct sensor interfacing without external glue logic, simplifying BOM and reducing PCB area. Typical applications include industrial automation controllers, embedded display drivers, sensor signal processors, and HVAC control units. The wide operating voltage range (2.0V to 5.5V) and -40°C to +85°C industrial temperature grade support reliable operation in harsh environments. When designing with this device, ensure decoupling capacitors (100nF) are placed within 5mm of VDD pins. The PIC16F77T suffix indicates tape-and-reel packaging and industrial operating range (-40°C to +85°C), distinguishing it from non-T PIC16F77 versions. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the PIC16F77T-I/PTG against modern PIC16F and PIC18F successors.

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PIC16F785-E/ML - 20MHz 8-Bit MCU, 3.5KB Flash, Dual Op-Amps | Microchip
PIC16F785-E/ML

PIC16F785-E/ML - 20MHz 8-Bit MCU, 3.5KB Flash, Dual Op-Amps | Microchip

The Microchip Technology PIC16F785-E/ML is an 8-bit Flash-based CMOS microcontroller from the mid-range PIC16F family, featuring 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 QFN (4x4 mm) package with extended (-40C to +125C) operating temperature range. What is a mid-range PIC16F microcontroller? PIC16F is Microchip's mid-range 8-bit microcontroller family based on a 14-bit instruction word RISC architecture. In the broader hierarchy, PIC16F belongs to Microcontroller (MCU) -> Embedded IC -> Integrated Circuit -> Semiconductor. The family typically offers 35 single-word instructions, 200 ns instruction execution, and on-chip peripherals such as comparators, PWM modules, and ADCs. The PIC16F785 specifically targets mixed-signal applications through its integrated dual operational amplifiers and dual high-speed comparators, reducing external analog component count for closed-loop control designs. Key features of the PIC16F785 include a 20 MHz maximum clock (200 ns instruction cycle), 18 digital I/O pins, a 10-bit ADC with up to 12 channels, two on-chip operational amplifiers, two high-speed comparators, a Capture/Compare/PWM (CCP) module, an Enhanced CCP (ECCP) module with Two-Phase Asynchronous Feedback PWM, and nanoWatt Technology for low-power sleep modes. The integrated analog blocks are particularly distinctive because few competing 8-bit MCUs combine op-amps and comparators with PWM on the same silicon die. Architecturally, the PIC16F785 uses a Harvard-style RISC core with separate program and data buses, allowing instruction fetch and data access to occur in the same cycle. The ECCP module supports full-bridge, half-bridge, and single-output PWM topologies, with programmable dead-band delay and auto-shutdown on over-current. The two internal op-amps are general-purpose (unity-gain stable) and can be configured externally through I/O pins, while the comparators feature programmable hysteresis and a shared reference. Typical applications include Switch-Mode Power Supplies (SMPS) where the integrated op-amps form the feedback compensation network and the ECCP drives the power MOSFETs directly, LED lighting drivers with constant-current regulation, battery chargers, motor control for low-voltage brushed DC motors, and power-conversion modules such as SEPIC, flyback, and buck-boost converters. The on-chip analog frontend is the differentiator against generic PIC16F parts. When designing with this device, ensure the QFN (4x4) exposed pad is soldered to a sufficiently large thermal copper pour for heat dissipation. The internal op-amps require careful feedback compensation for stable operation in switching power supply loops. MCLR reset and the In-Circuit Debugger (ICD) pins must be reserved if programming/debugging is required in-circuit. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F785-E/P - 8-Bit 20MHz 3.5KB Flash MCU w/ PWM & Op-Amps | Microchip
PIC16F785-E/P

PIC16F785-E/P - 8-Bit 20MHz 3.5KB Flash MCU w/ PWM & Op-Amps | Microchip

The Microchip Technology PIC16F785-E/P is a 20-pin DIP Flash-based 8-bit CMOS microcontroller from the mid-range PIC16 family, integrating a 20 MHz CPU core with 3.5 KB (2K x 14) of Flash program memory, 128 bytes of EEPROM data memory, and 128 bytes of RAM. Housed in a through-hole 20-PDIP package, it operates from 2.0 V to 5.5 V and is engineered with nanoWatt Technology for low-power applications. What is a PIC16F-series 8-bit microcontroller? The PIC16F family is Microchip's mid-range 14-bit instruction architecture line, sitting between the baseline PIC10/12/16/17 families and the enhanced PIC18 family. It uses a RISC-style Harvard architecture that executes most instructions in a single 200 ns instruction cycle at 20 MHz. PIC microcontrollers integrate CPU, memory, and peripherals on a single die and are widely used for embedded control where deterministic timing, low cost, and on-chip analog peripherals matter more than raw compute throughput. The PIC16F785 distinguishes itself with two on-chip operational amplifiers, two analog comparators with hysteresis, a 10-bit ADC with up to 14 channels, and a Capture/Compare/PWM (CCP) module plus an Enhanced Capture/Compare/PWM (ECCP) module that supports full-bridge, half-bridge, and single-shot PWM modes. The ECCP block can be configured for two-phase asynchronous feedback switching power topologies, making this MCU especially attractive for digital power conversion. Typical applications include LED drivers and lighting controls, switch-mode power supply (SMPS) digital control loops, battery chargers, motor control, sensor signal conditioning, and general-purpose embedded control in consumer and industrial products. The internal 8 MHz and 32 kHz MOSFET drivers (where applicable) plus nanoWatt sleep modes support battery-powered designs with extended runtime. When designing with this part, allocate adequate decoupling (100 nF plus bulk) close to VDD, and follow Microchip AN530 and TB3013 for PWM-driven SMPS loop compensation. Industrial-grade variants operate over -40C to +85C; this E (extended) variant covers -40C to +125C. For an SOIC footprint, choose PIC16F785-E/SO. This page synthesizes distributor pricing, drop-in alternatives, application context, and engineering notes drawn from the Microchip datasheet and authorized distributor listings - context not consolidated on a single manufacturer page.

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PIC16F785-E/SS - 8-bit MCU, 3.5KB Flash, 18 I/O, SSOP-20 | Microchip
PIC16F785-E/SS

PIC16F785-E/SS - 8-bit MCU, 3.5KB Flash, 18 I/O, SSOP-20 | Microchip

The Microchip PIC16F785-E/SS is a 20-pin flash-based, 8-bit CMOS microcontroller built on the well-established mid-range PIC16 (x14) architecture, integrating two on-chip operational amplifiers, two high-speed comparators, and a dual-channel 2-phase asynchronous-feedback PWM module alongside the standard 14-bit instruction core. According to the Microchip datasheet (PDF: ~3 MB, 206 pages), the device provides 3.5 KB of self-programmable Flash program memory, 128 bytes of SRAM, and 256 bytes of EEPROM data memory, all accessible through a RISC core that executes most instructions in a single 200 ns cycle at 20 MHz. Key specifications include a wide 2.0 V to 5.5 V operating voltage, 18 general-purpose digital I/O pins, 12-bit ADC, two op-amps with rail-to-rail inputs, two comparators with programmable reference, and the integrated two-phase asynchronous-feedback PWM block suitable for digital power conversion and power-factor correction. The /E industrial temperature grade spans -40 °C to +125 °C, and the SSOP-20 (5.30 mm body) package supports reflow assembly on RoHS-compliant boards. A PIC16 mid-range 8-bit microcontroller is a single-chip computer that combines a RISC CPU, non-volatile program memory (Flash), volatile data memory (SRAM), and a rich set of analog and digital peripherals into one IC. Within the broader taxonomy it sits under the hierarchy microcontroller -> embedded MCU -> semiconductor device, with the PIC16F785 specifically positioned for mixed-signal power-control applications where on-chip op-amps, comparators, and PWM must be tightly coupled to firmware for fast control loops. Differentiating features of the PIC16F785 include nanoWatt Technology for ultra-low-power sleep modes, an ICD as primary analog-input channel, Master Synchronous Serial Port (MSSP) supporting SPI and I2C, an Enhanced Universal Synchronous/Asynchronous Receiver Transmitter (EUSART), and 8 MHz internal oscillator. The two integrated op-amps remove the need for external signal-conditioning stages in current-shunt amplifiers or trans-impedance front-ends. The 2-phase asynchronous-feedback PWM is engineered for bridgeless PFC and soft-switching topologies. Architecturally, the PIC16F785 uses a Harvard-class 14-bit instruction set with an 8-bit data path, an 8-level deep hardware stack, and direct/indirect addressing modes. Analog integration reduces BOM count and PCB area. When migrating code, designers should note the interrupt structure, peripheral pin-select constraints, and oscillator configuration bits. Typical applications include switched-mode power supplies (SMPS) with active PFC, battery chargers (CC/CV profiles), LED drivers with analog dimming, sensor signal conditioning, and low-cost industrial controls. The wide 2.0-5.5 V range enables direct battery-powered operation. Watchdog timer, brown-out reset, and Flash configuration-word protection support field-deployed reliability. Design tip: Use the integrated op-amps to amplify current-sense shunt signals directly to the ADC, eliminating one external stage. Ensure decoupling capacitors (100 nF + 10 µF) are placed within 5 mm of VDD/AVDD pins, and route the analog AVSS separately from digital GND back to the regulator ground star. This page synthesizes distributor pricing, drop-in SSOP-20 alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-ready reference for the PIC16F785-E/SS.

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