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PIC16F874T-04I/PQ - 7KB Flash 8-bit MCU, 44-MQFP | Microchip
PIC16F874T-04I/PQ

PIC16F874T-04I/PQ - 7KB Flash 8-bit MCU, 44-MQFP | Microchip

The Microchip Technology PIC16F874T-04I/PQ is a CMOS Flash-based 8-bit microcontroller from the PIC16F family, packaged in a 44-pin MQFP (PQ) measuring 10x10 mm, executing instructions in 200 ns with only 35 single-word instructions and integrating 7 KB (4K x 14 words) of program memory, 192 bytes of RAM and 33 digital I/O pins. Operating at 5V with a maximum 4 MHz oscillator input, the device delivers Microchip's PIC16 mid-range RISC architecture in an industrial-grade temperature range (-40C to +85C) denoted by the "I" suffix and a tape-and-reel "T" packaging code. An 8-bit PIC microcontroller (PIC MCU) is a Reduced Instruction Set Computer (RISC) Harvard-architecture device widely adopted across embedded systems for its deterministic instruction timing, low power consumption, and extensive peripheral integration. Within the product hierarchy, the PIC16F874 sits between the smaller PIC12/PIC16F8xx series and larger PIC18/PIC24 devices. Its Flash program memory plus integrated peripherals make it part of Microchip's broad microcontroller IC family under the broader category of integrated circuits and microcontrollers. Key features include Flash program memory allowing in-system reprogramming, Harvard architecture with separate program and data buses, 200 ns instruction execution enabling real-time control, parallel slave port for external memory expansion, USART, MSSP (SPI/I2C), 8-channel 10-bit ADC, and capture/compare/PWM modules. The 33 I/O pins support direct interfacing with sensors, displays, and communication peripherals. The "-04" speed suffix designates a 4 MHz maximum oscillator input, and the "I" temperature grade extends operation to -40C to +85C industrial range. The device's Pic architecture implements a 14-bit instruction word and an 8-bit data path optimized for C and assembly development under MPLAB X IDE. Typical applications include industrial control systems, automotive body electronics, sensor signal conditioning, motor control, and consumer appliance controllers. The part is also widely used in legacy embedded designs and educational platforms due to its mature toolchain. Designers transitioning from this device should consider that Microchip now recommends the newer PIC16F884 as the recommended replacement. The MQFP package requires careful PCB layout for the 0.8 mm lead pitch; an exposed pad variant is not available. This page synthesizes pricing from authorized distributors, drop-in compatible variants in the PIC16F family, and practical design guidance not consolidated in a single manufacturer datasheet page.

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PIC16F874T-04I/PT - 4MHz 8-bit Flash MCU, 7KB | Microchip
PIC16F874T-04I/PT

PIC16F874T-04I/PT - 4MHz 8-bit Flash MCU, 7KB | Microchip

The Microchip Technology PIC16F874T-04I/PT is an 8-bit CMOS Flash-based PIC microcontroller operating at 4MHz with 7KB (4K x 14) of in-system programmable Flash program memory, 192 bytes of RAM, and 128 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) package rated for the industrial temperature range of -40C to +85C. A PIC microcontroller (Programmable Intelligent Computer peripheral controller) is a family of 8-bit, 16-bit, and 32-bit RISC-based microcontrollers manufactured by Microchip Technology. PIC MCUs integrate CPU core, Flash program memory, SRAM data memory, EEPROM, timers, capture/compare/PWM, ADC, and serial peripherals (UART, SPI, I2C) on a single CMOS die. PIC MCUs sit within the broader taxonomy of microcontroller -> embedded processor -> semiconductor device, and remain widely adopted in industrial control, automotive body electronics, white goods, and consumer applications due to their deterministic instruction execution, low power consumption, and free MPLAB X IDE toolchain. The PIC16F874T-04I/PT executes instructions in a 200ns single-cycle instruction time and supports only 35 single-word instructions, simplifying firmware development. It provides 33 digital I/O pins, a 10-bit ADC with up to 8 channels, two 8-bit timers plus one 16-bit timer, a Watchdog Timer with its own on-chip RC oscillator for reliable operation, and synchronous/asynchronous serial ports (USART) plus an SPI/I2C-compatible MSSP peripheral. nanoWatt Technology adds power-managed sleep modes that drop quiescent current below typical operating values for battery-powered applications. Architecturally, the PIC16F874 family uses a Harvard RISC core with separate program and data buses, a hardware multiplier (8x8 single-cycle), and 14-bit wide instruction words. The 4MHz clock yields a 1MIPS throughput at 5V operation, and Flash in-circuit serial programming (ICSP) is supported via two pins, enabling in-field firmware updates without removing the part from the board. Typical applications include industrial process control, sensor signal conditioning, HVAC fan/blower controllers, motor-drive supervisory boards, security keypads, and remote sensor nodes. The 33 I/O count and 10-bit ADC make it well-suited for mixed analog/digital front-ends. Designers should note that Microchip recommends the newer PIC16F884 as a successor in production designs. Existing firmware typically ports with minimal effort, but verify peripheral mapping and interrupt vector assignments when migrating. Operate VDD between 4.0V and 5.5V for full 4MHz performance. This page synthesizes distributor pricing, drop-in PIC16F87x alternatives, and practical design notes not found in the manufacturer datasheet alone, supporting both new designs and legacy board rework.

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PIC16F874T-10E/L - 8-bit Flash MCU, 7KB, 44-PLCC | Microchip
PIC16F874T-10E/L

PIC16F874T-10E/L - 8-bit Flash MCU, 7KB, 44-PLCC | Microchip

The Microchip Technology PIC16F874T-10E/L is an 8-bit CMOS Flash-based RISC microcontroller in a 44-pin PLCC package, delivering 7KB of program memory and 192 bytes of RAM with 33 digital I/O pins. It executes instructions in 200 ns, supports a 20 MHz clock speed, and operates from a 4V to 5.5V supply, making it suitable for embedded control tasks that require deterministic real-time response. What is an 8-bit Flash MCU? An 8-bit Flash microcontroller is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile Flash program memory, RAM, and peripherals such as timers, ADC, and serial interfaces. Within the broader MCU taxonomy, it sits as PIC16 -> 8-bit PIC -> RISC microcontroller -> embedded controller -> semiconductor. The PIC16F874 belongs to Microchip's mid-range PIC16 family, which bridges the gap between baseline PIC10/12/16 devices and enhanced PIC18 parts by adding analog and communication peripherals without increasing cost. Key features include 128 bytes of EEPROM data memory, a 10-bit ADC with up to 8 channels, a USART module, an MSSP (SPI/I2C) module, two 8-bit timers plus one 16-bit timer, a capture/compare/PWM module, and nanoWatt power management. The device offers 33 digital I/O lines distributed across PORTA, PORTB, PORTC, and PORTD, with programmable weak pull-ups on PORTB and interrupt-on-change capability. The automotive temperature grade (-40C to +125C) makes it suitable for harsh-environment designs. The PIC16F874T-10E/L uses a Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The 14-bit-wide instruction word improves code density, and the 35 single-word instruction set simplifies programming. The /L suffix denotes PLCC packaging, while the trailing T indicates tape-and-reel, and the -10E speed designation indicates a 10 MHz rated part with the Enhanced (E) silicon revision optimized for lower power consumption. Typical applications include industrial sensor interfaces, HVAC control systems, automotive body modules, low-end motor control, and battery-powered instrumentation where nanoWatt technology extends battery life. The combination of Flash, EEPROM, and robust peripherals makes it a general-purpose workhorse for legacy designs. Designers should note that PIC16F884 has been recommended as a newer replacement; if starting a new design today, evaluate the PIC16F884 for greater memory and enhanced peripherals. Adequate decoupling (0.1uF per VDD/AVDD pair) and a properly placed bulk capacitor near the IC are required for reliable ADC operation. This page synthesizes Microchip datasheet specifications, current distributor pricing, and engineering-grade drop-in alternatives, supplying practical design notes you will not find on the manufacturer's PDF or on standard distributor listings.

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PIC16F874T-10E/PQ - 8-bit Flash MCU, 7KB, 20MHz, MQFP-44 | Microchip
PIC16F874T-10E/PQ

PIC16F874T-10E/PQ - 8-bit Flash MCU, 7KB, 20MHz, MQFP-44 | Microchip

The Microchip Technology PIC16F874T-10E/PQ is a member of the PIC16F87x family of 8-bit CMOS Flash microcontrollers with nanoWatt Technology, offering 7KB of on-chip Flash program memory, 192 bytes of RAM, and 128 bytes of EEPROM in a 44-pin MQFP (PQ) package. Operating at up to 20 MHz (10 MHz instruction-cycle equivalent at the '10' speed grade), it integrates 33 digital I/O pins, a 10-bit ADC with up to 8 channels, two 8-bit timers and one 16-bit timer, an enhanced USART, MSSP (SPI/I2C), and a Capture/Compare/PWM (CCP) module for embedded control designs. A microcontroller (MCU) is a single-chip computer containing a CPU, RAM, non-volatile program memory, and configurable peripherals on one die. Within the broader taxonomy, the PIC16F874 belongs to the 8-bit microcontroller class (Harvard architecture, RISC instruction set), which sits under the larger umbrella of microcontrollers -> embedded processors -> semiconductors. The '16F' prefix identifies the mid-range PIC family; the 'F' suffix indicates Flash program memory, which is in-circuit programmable and electrically erasable - ideal for prototyping and field-upgradable designs. Key features include a wide 4.0 V to 5.5 V supply range, 25 mA source/sink per I/O, an internal 8 MHz oscillator option, and the nanoWatt power-management family features such as alternate oscillator modes and Sleep with wake-up by external interrupt or Watchdog Timer. The 10-bit A/D converter delivers 8 input channels multiplexed across PORTA and PORTE, and the Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) supports RS-232 and RS-485 interfaces. The In-Circuit Serial Programming (ICSP) interface and In-Circuit Debugger (ICD) support significantly accelerate firmware development on this part. Typical applications include industrial automation (sensor conditioning, control loops), automotive subsystems (body and comfort electronics, where the 'E' extended-temperature grade matters), consumer appliances (white goods, thermostats), and embedded control boards (HVAC, security panels, motor drivers). The 33-I/O count and 7KB Flash make this part well-suited to mid-complexity applications where larger 40-pin+ MCUs are not justified. When designing with this part, ensure the decoupling capacitor is placed within 5 mm of VDD and place a 100 nF plus a bulk 10 uF capacitor combination. Note that the 'T' suffix denotes Tape & Reel packaging, '10' is the 10 MHz speed grade, 'E' is the extended (-40C to +125C) temperature grade, and 'PQ' identifies the 44-pin MQFP package. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found on any single manufacturer datasheet - giving procurement and design engineers a single source of truth for PIC16F874T-10E/PQ selection.

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PIC16F874T-10E/PT - 7KB Flash 8-bit MCU, 10MHz, TQFP-44 | Microchip
PIC16F874T-10E/PT

PIC16F874T-10E/PT - 7KB Flash 8-bit MCU, 10MHz, TQFP-44 | Microchip

The Microchip PIC16F874T-10E/PT is a CMOS Flash-based 8-bit microcontroller in the PIC16F family that delivers 200 ns instruction execution with only 35 single-word instructions, packaged in a 44-pin TQFP (PT) tape-and-reel format. It integrates 7 KB of program Flash, 192 bytes of RAM, and 33 digital I/O lines, and runs at up to 10 MHz from a 4.0 V to 5.5 V supply. The "T" suffix indicates a tape-and-reel packaging option, while "E" denotes the Enhanced extended-temperature grade. What is a PIC16F-series microcontroller? The PIC16F family is Microchip's mid-range 8-bit RISC MCU line, positioned between the baseline PIC10/12/16 architectures and the higher-pin-count PIC18 line. These devices combine a Harvard RISC core with on-chip Flash program memory, EEPROM data memory, and a rich set of peripherals including ADC, USART, MSSP (SPI/I2C), and capture/compare/PWM modules, making them a foundational element of countless embedded control systems and a parent category of broader 8-bit microcontrollers and ultimately semiconductor devices. Key features of the PIC16F874T-10E/PT include nanoWatt Technology for power-managed sleep modes, an integrated 10-bit ADC, a hardware USART for asynchronous serial communication, an MSSP peripheral supporting both SPI and I2C, and a programmable Brown-out Reset (BOR) and Watchdog Timer (WDT) for field reliability. The "Enhanced Flash" die supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) directly through two pins, allowing firmware updates without removing the part from the board. Architecturally, the PIC16F874 uses a 14-bit instruction word with an 8-bit data path, separated program and data buses (Harvard), and a hardware multiplier-free ALU tuned for deterministic interrupt latency. The 10 MHz oscillator drives a four-phase internal clock that yields the 200 ns instruction cycle advertised on the datasheet. Peripherals are mapped into a linear SFR bank, which simplifies the C and assembly tooling chain that MPLAB IDE and the XC8 compiler support. Typical applications include industrial sensor interfaces, HVAC controllers, low-end motor control, battery chargers, and consumer appliance front panels. The 33 I/O count makes it suitable as a main system controller on small control boards where a 44-pin TQFP footprint is acceptable, while still leaving headroom for keypad scans and indicator LEDs. When designing with this device, note that Microchip recommends the newer PIC16F884 as a pin-compatible successor. The "E" temperature grade extends operating range to -40C to +125C, but watch the maximum throughput derating at the upper end of the supply range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond what is on the manufacturer datasheet.

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PIC16F874T-20/L - 8-bit PIC MCU, 7KB Flash, 20MHz, 44-PLCC | Microchip
PIC16F874T-20/L

PIC16F874T-20/L - 8-bit PIC MCU, 7KB Flash, 20MHz, 44-PLCC | Microchip

The Microchip Technology PIC16F874T-20/L is an 8-bit PIC RISC flash microcontroller delivering 7KB of on-chip program memory, 192 bytes of RAM, and 33 digital I/O pins in a 44-pin PLCC (J-lead) surface-mount package. The device operates from a 4V to 5.5V supply, executes instructions at 200 ns per cycle (5 MIPS at 20 MHz), and integrates nanoWatt power-management technology for low-power operation. The PIC16F874T-20/L is the tape-and-reel, commercial-temperature variant of the PIC16F874 family. An 8-bit PIC microcontroller (MCU) is a small, self-contained computer on a single CMOS IC that combines a RISC CPU core, non-volatile flash program memory, volatile SRAM data memory, and a rich set of peripheral modules. The PIC16F family sits at the entry tier of Microchip's mid-range architecture, offering 14-bit instruction words, hardware stack, and on-chip peripherals including ADC, USART, I2C/SPI, and capture/compare/PWM. Within the broader taxonomy, the PIC16F874 belongs to the 16F mid-range family, which sits under Microchip's 8-bit product line, which itself falls under the microcontroller category of the integrated-circuits hierarchy. This hierarchy is important for engineers selecting parts because firmware developed for one PIC16F87x device typically ports with minimal changes to siblings in the same family. Key features include 7KB flash program memory (4K x 14 words), 192 bytes of data RAM, 128 bytes of EEPROM data memory, a 10-bit 8-channel analog-to-digital converter, two 8-bit and one 16-bit timer/counter modules, a synchronous/asynchronous USART port, a master SPI/I2C port, and a parallel slave port for external bus expansion. The device also provides 33 digital I/O pins, hardware interrupt handling with a 14-level deep stack, in-circuit serial programming (ICSP), and a programmable code-protection scheme. Typical applications include industrial control and instrumentation, sensor signal conditioning and front-end processing, motor-control and PWM driver boards, automotive body and chassis subsystems (where extended-temperature PIC16F874T-20I/L variants would be used), consumer-electronics user-input handling, and low-cost embedded data-acquisition front ends. The parallel slave port enables direct connection to external host processors for system expansion. When designing with the PIC16F874T-20/L, ensure decoupling capacitors of 100 nF are placed within 5 mm of each VDD/VSS pair and that the MCLR reset line is pulled high through a 10 kohm resistor with a 100 nF capacitor for noise immunity. The 44-pin PLCC socket should be socketed during prototype development to permit firmware iteration. This page consolidates distributor pricing, parametric data, and drop-in alternatives not aggregated elsewhere - it is engineered for engineers who already know the PIC16F family and need a fast, scannable reference for this specific MPN.

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PIC16F874T-20/PQ - 8-bit Flash MCU, 7KB, 20MHz | Microchip
PIC16F874T-20/PQ

PIC16F874T-20/PQ - 8-bit Flash MCU, 7KB, 20MHz | Microchip

The Microchip Technology PIC16F874T-20/PQ is an 8-bit CMOS Flash-based microcontroller from the PIC16F family, delivering 20 MHz maximum clock speed (200 ns instruction execution) in a 44-pin QFP package. It integrates 7 KB of Flash program memory, 192 bytes of RAM, and 128 bytes of EEPROM data memory, with 33 digital I/O lines organized across multiple ports. A microcontroller (MCU) is a single-chip computer that contains a CPU, non-volatile program memory (Flash/ROM), working memory (RAM), and a configurable set of peripheral interfaces such as timers, A/D converters, and serial communication blocks. Within the embedded-system hierarchy, the PIC16F874 belongs to the 8-bit PIC® mid-range family — sitting between baseline 12-bit-core PICs and the 16-bit dsPIC/PIC24 families, and below 32-bit ARM Cortex-M parts. It is intended for general-purpose embedded control where deterministic instruction execution and low power are valued over raw computational throughput. Key features of the PIC16F874T-20/PQ include the nanoWatt Technology power-management suite for low-power operation, a 10-bit multi-channel Analog-to-Digital Converter (ADC), synchronous and asynchronous serial ports (USART/SCI), a Master Synchronous Serial Port (MSSP) supporting SPI and I²C, and a Capture/Compare/PWM (CCP) module. The device runs from 4.0 V to 5.5 V and offers commercial operating-temperature range with 35 single-word instructions for ease of programming. Architecturally, the part uses a Harvard-style RISC core with separate program and data buses, allowing simultaneous instruction fetch and operand access. The 14-bit-wide instruction word delivers deterministic throughput across all instructions, simplifying real-time scheduler design. The integrated Flash memory supports in-circuit serial programming (ICSP) via two pins, enabling field firmware updates without removing the MCU from the board. Typical applications include industrial control panels, sensor-interface front-ends, consumer appliances, motor-control signal conditioning, and general-purpose data-acquisition nodes. With 33 I/O pins, the device can drive multi-digit displays, keypads, and multiple communication buses simultaneously. When designing with the PIC16F874T-20/PQ, place decoupling capacitors (100 nF ceramic plus 10 µF bulk) within a few millimetres of VDD/VSS pairs, keep the MCLR reset line noise-free, and follow Microchip's recommended PCB layout for the 44-pin QFP land pattern. Newer designs should evaluate the recommended replacement PIC16F884, which adds more memory and peripherals in a pin-compatible footprint. This page consolidates distributor pricing, drop-in replacement options, and practical design notes not found in the manufacturer datasheet — giving engineers and procurement teams a single-source reference for part qualification, BOM decisions, and second-sourcing.

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PIC16F874T-20I/PQ - 8-Bit 20MHz 7KB Flash MCU | Microchip | MQFP-44
PIC16F874T-20I/PQ

PIC16F874T-20I/PQ - 8-Bit 20MHz 7KB Flash MCU | Microchip | MQFP-44

The Microchip Technology PIC16F874T-20I/PQ is a CMOS FLASH-based 8-bit microcontroller from the PIC16F family, operating at up to 20MHz with 200 ns instruction execution, integrating 7KB (4K x 14) of Flash program memory and 192 bytes of SRAM in a 44-pin MQFP (10x10) surface-mount package. Tape-and-reel packaged (T suffix), industrial temperature graded (I suffix), and PQ designates the 44-pin MQFP variant. The device delivers 33 digital I/O lines through five I/O ports, supported by on-chip peripherals including Brown-out Detect/Reset (BOR), Power-on Reset (POR), Pulse Width Modulation (PWM), and a Watchdog Timer (WDT), with external oscillator support for flexible clocking architectures. Background Knowledge: An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data-path CPU core, integrating program memory, RAM, digital I/O, and on-chip peripherals. The PIC16F family sits within Microchip's PIC16 mid-range taxonomy: PIC10/12/16/18 families -> 8-bit MCUs -> microcontrollers -> embedded processors -> semiconductors. These MCUs are commonly used as the main system controller in cost-sensitive embedded products where deterministic instruction timing and low power consumption are priorities. The 200 ns instruction cycle time of PIC16F874 enables tight loop control in applications such as motor drive and instrumentation. Key features include 7KB self-programmable Flash program memory supporting in-application updates, 128 bytes of EEPROM data memory (per the PIC16F874 datasheet family), a 10-bit multi-channel Analog-to-Digital Converter (ADC), USART, MSSP (SPI/I2C) communications, and three hardware timers (Timer0/Timer1/Timer2) for event capture and PWM generation. The 20MHz maximum clock rate enables 5 MIPS throughput, while the industrial-grade -40C to +85C temperature range supports operation in factory-floor and outdoor equipment. Technical depth: The PIC16F874 implements a RISC Harvard-architecture core with 35 single-word instructions, 8-level deep hardware stack, and orthogonal instruction set enabling efficient code generation. Brown-out Detect/Reset holds the device in reset when VDD drops below the BOR threshold (typically 4V), preventing code execution from corrupted memory at low supply voltages. The PWM module, Capture/Compare/PWM (CCP) peripherals, and 10-bit ADC allow direct interface with sensors and actuators without external glue logic. The wide operating voltage range (typically 2.0V to 5.5V for the LF variant, 4.0V to 5.5V for the standard F variant) supports both battery-powered and line-powered designs. Typical applications include industrial process control and instrumentation, motor control boards (BLDC, stepper), HVAC system controllers, security alarm panels, consumer appliance control boards, automotive body electronics (non-safety), and embedded data-acquisition front-ends. The PIC16F874's 33 I/O lines make it especially well suited to designs that need many discrete control signals without external I/O expanders. When designing with the PIC16F874T-20I/PQ, reserve two I/O pins for the in-circuit serial programming (ICSP) interface (RB6/RB7) and ensure the MCLR pin has the proper reset-network topology. The 44-pin MQFP package has a 10x10 mm body with 0.8 mm lead pitch, requiring standard SMT reflow profile per JEDEC J-STD-020. Note that Microchip recommends the PIC16F884 as a newer active alternative to the PIC16F874 for new designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F874T-20I/PT - 8-bit 20MHz MCU, 7KB Flash, 44-TQFP | Microchip
PIC16F874T-20I/PT

PIC16F874T-20I/PT - 8-bit 20MHz MCU, 7KB Flash, 44-TQFP | Microchip

The Microchip Technology PIC16F874T-20I/PT is an 8-bit PIC16F-series CMOS Flash microcontroller (MCU) with 7KB (4K x 14 words) of program Flash, 192 bytes of data RAM, and 128 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) package and qualified to operate across the industrial temperature range (-40C to +85C). It executes instructions in 200 ns at a 20 MHz clock and supports a 5V operating voltage per the PIC PIC® 16F family architecture. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), EEPROM, and programmable peripherals onto one die. PIC16F devices sit in the mid-range PIC family — between baseline PIC10/12 and high-pin PIC18 — and are widely used in cost-sensitive embedded control where deterministic instruction timing and low-power sleep modes matter more than raw throughput. This places the PIC16F874 in the broader hierarchy: MCU -> 8-bit MCU -> mid-range PIC -> Flash MCU -> embedded controller. Key features include 33 digital I/O pins, three 8-bit timers (Timer0, Timer2) plus one 16-bit Timer1, a 10-bit ADC with 8 channels, two capture/compare/PWM (CCP) modules, MSSP (SPI/I2C) and USART (SCI) serial interfaces, and an 8-level hardware stack. Brown-out reset (BOR), power-on reset (POR), watchdog timer (WDT), and ICD in-circuit debug are built in. The Flash-based program memory is in-system programmable via the ICSP interface, allowing field firmware updates. Architecturally, the PIC16F874T-20I/PT uses Microchip's Harvard RISC core with separate program and data buses, 14-bit wide instruction words, and 35 single-word instructions. The 'T' suffix denotes Tape & Reel packaging, the '20' denotes 20 MHz maximum clock, the 'I' denotes the industrial temperature grade, and '/PT' designates the 44-pin TQFP package. The part is electrically and logically compatible with the PIC16F874A family and is supported by MPLAB X IDE, the XC8 compiler, and a mature toolchain. Typical applications include industrial control panels, sensor signal conditioning, motor control signal boards, RS-232/RS-485 bridges, LED display drivers, HVAC controllers, and consumer appliance control where 8-bit processing, low cost, and proven longevity are valued. When designing, confirm the 44-TQFP land pattern is identical to the PIC16F874A/PT footprint for tooled PCB reuse, ensure the AVDD/AVSS pair is properly decoupled for ADC accuracy, and use MPLAB X with the XC8 compiler for the latest support. This page synthesizes drop-in alternatives, parametric comparison, and practical design notes for procurement and engineering teams evaluating the PIC16F874T-20I/PT alongside newer Microchip and third-party 8-bit MCU options.

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PIC16F876-04/SP - 8-Bit 4MHz 14KB Flash MCU | Microchip
PIC16F876-04/SP

PIC16F876-04/SP - 8-Bit 4MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16F876-04/SP is an 8-bit CMOS Flash-based PIC microcontroller delivering 4 MIPS performance with 200 ns instruction execution in a 28-pin SPDIP package. It integrates 14 KB of Flash program memory, 368 bytes of SRAM, 256 bytes of data EEPROM, and a 5-channel 10-bit ADC. The "-04" suffix indicates the 4 MHz maximum oscillator frequency grade, and the "/SP" suffix designates the 28-pin Skinny Plastic DIP through-hole and process-line package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, peripherals, and I/O. The PIC16F876 belongs to the PIC16F mid-range 8-bit family, positioned in the taxonomy 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The PIC16F87X family is one of Microchip's most widely adopted mid-range architectures, characterized by a 14-bit instruction word, 35 single-word instructions, and Harvard bus architecture. Key features include 22 digital I/O pins, hardware USART, MSSP supporting both SPI and I2C (master/slave), two 8-bit timers and one 16-bit timer, a 10-bit A/D converter with up to 5 channels, a watchdog timer with its own on-chip RC oscillator, and In-Circuit Serial Programming (ICSP) via two pins. The device operates from 4.0 V to 5.5 V and includes a brown-out reset circuit. The Flash program memory supports 1000 erase/write cycles typical and 40-year data retention. The PIC16F876-04/SP uses Microchip's PIC16 mid-range core with a 2-stage pipeline, executing most instructions in a single 200 ns cycle at 4 MHz. The Harvard architecture separates program and data buses, allowing simultaneous instruction fetch and operand access. The on-chip ICD (In-Circuit Debug) and ICSP capability enable development without removing the chip from the board, which is critical for legacy through-hole designs that cannot be replaced with smaller surface-mount packages. Typical applications include industrial control systems, sensor signal conditioning, motor drive PWM control, automotive body electronics, HVAC thermostat controllers, instrumentation, and educational embedded platforms. The 28-pin SPDIP package is ideal for through-hole prototyping on perfboard and legacy PCB designs that require socketed or hand-replaceable parts. When designing with this device, note that the older PIC16F876 has been superseded by the PIC16F876A (improvements: nanoWatt technology, 1% internal oscillator accuracy) and later by the PIC16F886 (more memory and peripherals). New designs should consider the PIC16F886 or PIC16F1xxx enhanced family; however, the PIC16F876-04/SP remains widely available for production boards and repair replacements where a drop-in 28-pin SPDIP pinout is required.

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PIC16F876-04E/SP - 8-bit 4MHz MCU 14KB Flash 28-SPDIP | Microchip
PIC16F876-04E/SP

PIC16F876-04E/SP - 8-bit 4MHz MCU 14KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC16F876-04E/SP is an 8-bit CMOS Flash-based microcontroller from the PIC® 16F family, delivering 4 MIPS performance from a 4 MHz oscillator in a 28-pin SPDIP (0.300 inch / 7.62 mm) through-hole package. It integrates 14 KB of Flash program memory (8K x 14 words), 368 bytes of RAM, and 256 bytes of EEPROM data memory, providing a compact platform for embedded control applications that require non-volatile data storage and field-reprogrammable code. What is a Microcontroller (MCU)? A microcontroller is a single-chip computer that integrates a CPU core, program memory, data RAM, peripherals (timers, ADC, communication ports, GPIO), and in modern designs non-volatile memory such as Flash and EEPROM. Within the broader taxonomy, the PIC16F876 belongs to the 8-bit microcontroller category, which sits inside the larger family of microcontrollers (MCU), which are themselves a sub-category of microprocessors and ultimately semiconductors. The "Flash" designation indicates the program memory is electrically erasable and reprogrammable in-circuit, enabling field firmware updates. Key features include 22 digital I/O pins, a 10-bit multi-channel Analog-to-Digital Converter (ADC), two 8-bit timers plus one 16-bit timer, a Capture/Compare/PWM (CCP) module, an Enhanced USART for serial communication, and a Master Synchronous Serial Port (MSSP) supporting both SPI and I2C. The "-04E" suffix denotes the 4 MHz maximum oscillator rating with the "E" (Enhanced) temperature range variant, providing -40°C to +125°C operation, and "/SP" identifies the 28-pin Skinny Plastic DIP package. The PIC16F876 uses Microchip's RISC-based Harvard architecture with only 35 single-word instructions, enabling 200 ns instruction execution at 4 MHz. This architecture separates program and data memory buses for parallel fetch, and the part is source-code compatible with PIC12Cxxx, PIC16C5x, PIC16C7x, and PIC14000 devices, simplifying migration across product lines. Typical applications include industrial control and sensor interfaces, automotive body electronics, low-end consumer appliances, HVAC thermostat controls, remote sensor nodes, and educational/hobbyist platforms. The 14 KB Flash and 256-byte EEPROM make it well suited to applications that store calibration constants or runtime configuration in non-volatile memory alongside user firmware. Design consideration: at 4 MHz the MCU executes most instructions in a single 200 ns cycle, but interrupt latency, ADC acquisition time, and communication peripheral setup must be factored into the worst-case timing budget. The 28-pin SPDIP is the most common form factor for the PIC16F87x family, allowing hand-soldering and breadboard prototyping. This page synthesizes distributor availability, parametric drop-in alternatives, and design notes not found on stock product pages, providing engineering reference value beyond what a single manufacturer datasheet page offers.

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PIC16F876-04I/SO - 8-bit MCU, 14KB Flash, 4MHz, 28-SOIC | Microchip
PIC16F876-04I/SO

PIC16F876-04I/SO - 8-bit MCU, 14KB Flash, 4MHz, 28-SOIC | Microchip

The Microchip Technology PIC16F876-04I/SO is an 8-bit CMOS FLASH-based PIC microcontroller featuring a 14KB (8K x 14 words) program memory, 368 bytes of RAM, and 256 bytes of EEPROM data memory, housed in a 28-pin SOIC wide-body package operating at up to 4MHz instruction execution. According to the manufacturer datasheet, this part offers 22 digital I/O pins, an integrated 8-channel 10-bit ADC, three timers, capture/compare/PWM modules, a USART, an MSSP (SPI/I2C) peripheral, and a 200ns instruction cycle for efficient embedded control. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and a RISC-style Harvard architecture that fetches instructions from one memory space and data from another. Within the broader semiconductor hierarchy, an MCU sits between a digital logic IC and a microprocessor: it integrates a CPU, non-volatile program memory, volatile RAM, and a rich set of peripherals (ADC, timers, communication blocks) into a single package. The PIC16F876 family uses Microchip's PIC® mid-range core, which is positioned above baseline PIC10/12 devices and below the enhanced PIC18 family in terms of instruction set and peripheral complexity. Key features include a wide 2.0V to 5.5V operating range, in-circuit serial programming (ICSP) capability, a watchdog timer with its own on-chip RC oscillator, power-on reset, brown-out detection, and an industrial-grade (-40°C to +85°C) temperature range denoted by the 'I' suffix. The '04' suffix indicates a 4MHz rated oscillator; a faster '20' speed grade is also offered in the family. Code protection hardware prevents unauthorized reads of onboard flash memory. The PIC16F876 employs a Harvard architecture with separate program and data buses, allowing the 14-bit instruction word to be fetched while an 8-bit data operand is being read - eliminating single-cycle bottlenecks. The 35 single-word instruction set simplifies assembly-level programming, and the 8-level deep hardware stack supports structured subroutine nesting. Typical applications include industrial sensor interfaces, appliance control boards, automotive subsystems, low-cost data acquisition modules, and battery-powered measurement instruments. The 28-SOIC wide package (0.295 in / 7.50 mm) is compatible with hand-soldering as well as production pick-and-place assembly, making this MCU versatile across prototyping and volume manufacturing. When designing with the PIC16F876-04I/SO, observe the 4 MHz FOSC maximum and confirm that required oscillator configurations match the chosen crystal or resonator. The '04' speed grade limits analog performance and ADC throughput relative to the '20' grade, so designers targeting higher execution throughput should evaluate the speed upgrade early in the design cycle. This page synthesizes distributor pricing, drop-in compatible same-package alternatives, and practical design notes not found in the manufacturer datasheet, providing actionable engineering context for sourcing and second-source decisions.

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PIC16F876-10E/SO - 8-bit Flash MCU 14KB 22 I/O SOIC-28 | Microchip
PIC16F876-10E/SO

PIC16F876-10E/SO - 8-bit Flash MCU 14KB 22 I/O SOIC-28 | Microchip

The Microchip Technology PIC16F876-10E/SO is a 14 KB Flash-programmable 8-bit PIC16 CMOS microcontroller running at 10 MHz, packaged in a 28-pin SOIC and rated for the -40C to +125C industrial temperature range. The "-10E" suffix denotes a 10 MHz speed grade (200 ns instruction cycle) and the Enhanced (-40C to +125C) industrial temp window, while "/SO" specifies the wide-body 7.50 mm SOIC-28 footprint. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, EEPROM, digital I/O and on-chip peripherals such as timers, ADC and serial interfaces. Within the Microchip taxonomy the PIC16F876 belongs to the mid-range PIC16 family, which sits between the baseline PIC10/12/16 and the high-performance PIC18/PIC24 dsPIC families, and is widely used for cost-sensitive embedded control in industrial, automotive and consumer products. Key features of the PIC16F876-10E/SO include 368 bytes of SRAM, 256 bytes of data EEPROM, 22 digital I/O pins, a 5-channel 10-bit ADC, two 8-bit timers plus one 16-bit timer, two Capture/Compare/PWM modules, a USART and a Synchronous Serial Port configurable as SPI or I2C. The device executes 35 single-word instructions and supports in-circuit serial programming (ICSP) plus in-circuit debugging via ICD, eliminating the need for an external programmer for development. Architecturally the PIC16F876 uses a Harvard RISC core, separate program and data buses, a 14-bit instruction word, and a 200 ns instruction cycle at 10 MHz. The 8-level hardware stack and 15 interrupt sources give deterministic real-time response. The 256-byte on-chip EEPROM is rated for 1 million erase/write cycles, enabling non-volatile parameter storage without an external memory device. Typical applications include industrial sensor signal conditioning and supervisory control, automotive body and HVAC subsystems, motor control (small BLDC and stepper drives), battery chargers, smart energy meters, consumer white goods, and any embedded product requiring reliable 8-bit processing with on-chip Flash and EEPROM. The wide SOIC-28 footprint simplifies hand-soldering for prototypes and is compatible with standard SMT lines. A key design consideration is the 10 MHz speed grade: at VIN < 4.5 V (brown-out region) the oscillator is throttled to lower frequencies, so the analog-to-digital converter must be reconfigured when the system crosses the BOR threshold. Designers should also budget the 22-pin digital I/O count against any SPI/I2C and UART pins they assign, because the same pins double as analog inputs and PORTB interrupt-on-change sources. This page synthesizes live distributor pricing, parametric cross-references, and practical PCB layout notes not collected in any single source, giving an engineer a one-stop datasheet-plus-substitute view of the PIC16F876-10E/SO.

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PIC16F876-10E/SP - 8-bit 10MHz MCU 14KB Flash 28-SPDIP | Microchip
PIC16F876-10E/SP

PIC16F876-10E/SP - 8-bit 10MHz MCU 14KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC16F876-10E/SP is an 8-bit CMOS FLASH-based PIC microcontroller executing instructions in 200 ns, packaged in a 28-pin SPDIP (Skinny Plastic DIP) through-hole format. It features 14 KB of program memory, 368 bytes of RAM, 256 bytes of EEPROM, 22 digital I/O pins, and operates at 10 MHz across a 2.0V to 5.5V supply range. The 'E' suffix designates the enhanced industrial temperature grade (-40°C to +125°C), while '10' indicates the 10 MHz speed grade and 'SP' denotes the 28-SPDIP package. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory, RAM, EEPROM, peripheral set, and I/O pins on one die. The PIC16F family specifically uses Microchip's Harvard RISC architecture with 35 single-word instructions, providing deterministic 200 ns instruction execution at 10 MHz. MCUs sit within the broader embedded system hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit, serving as the programmable logic element in countless commercial and industrial products. Key differentiating features include 5 channels of 10-bit analog-to-digital conversion, a USART for serial communication, MSSP for SPI and I²C, two 8-bit timers plus one 16-bit timer, a 14-bit instruction word, and a 14-bit program counter addressing up to 8K x 14 words. In-system programming (ICSP) via two pins enables field firmware updates without removing the MCU from the board. Architecturally, the PIC16F876 uses CMOS FLASH technology supporting 100,000 erase/write cycles typical, with self-reprogrammable capability under software control. The Harvard bus separates program and data memory paths, eliminating fetch-execute bottlenecks common to von Neumann architectures. The enhanced core includes an 8-level deep hardware stack, indirect addressing modes, and a hardware multiplier is not present on this baseline family member. Typical applications include industrial sensor interfaces, appliance control panels, automotive body electronics (under hood temperature requires the 'I' grade), low-power remote controls, and legacy product replacements where pin-compatible migration is essential. The SPDIP package is preferred for hobbyist prototyping, breadboarding, and through-hole manufacturing lines that cannot accommodate surface-mount assembly. When designing, observe the 22 I/O maximum and the shared analog/digital functions on PORTA and PORTE to avoid conflicts. The 'E' industrial grade is appropriate for most commercial enclosures; upgrade to the 'I' (-40°C to +125°C operational, -40°C to +150°C storage) only when full automotive thermal stress is required. This page synthesizes distributor inventory, parametric drop-in alternatives, application references, and engineering design notes - information not aggregated on any single manufacturer or distributor product page - to accelerate sourcing and design-in decisions.

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PIC16F876-20/SO - 8-bit 20MHz PIC MCU, 14KB Flash, 28-SOIC | Microchip
PIC16F876-20/SO

PIC16F876-20/SO - 8-bit 20MHz PIC MCU, 14KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC16F876-20/SO is an 8-bit CMOS Flash-based RISC microcontroller running at 20 MHz with 14 KB (8K x 14 words) of on-chip program memory, housed in a 28-pin SOIC (Small Outline IC) package. As part of Microchip's widely adopted PIC® mid-range family, it executes most instructions in a single 200 ns cycle and offers 35 single-word instructions, 22 digital I/O lines, a 10-bit multi-channel A/D converter, USART, MSSP (SPI/I2C), two capture/compare/PWM modules, and 256 bytes of data EEPROM. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and programmable peripherals. The 8-bit class represents the most widely deployed MCU tier, trading raw arithmetic width for deterministic timing, ultra-low cost per I/O, and decades of proven toolchain maturity. The PIC® mid-range architecture sits inside a broader taxonomy of microcontrollers -> 8-bit MCUs -> CMOS RISC MCUs -> flash-memory MCUs, and it remains one of the most deployed architectures in industrial, appliance, automotive aftermarket, and educational designs. Key features of the PIC16F876-20/SO include 368 bytes of SRAM, an internal watchdog timer with its own on-chip RC oscillator, a programmable code-protection mechanism, an ICD (In-Circuit Debugger) interface, and a wide operating voltage range suitable for both 3.3 V and 5 V systems. The device supports in-circuit serial programming (ICSP), allowing firmware updates via just two pins without removing the part from the board. Technically, the PIC16F876-20/SO uses a Harvard architecture with separate program and data buses, which lets a fetch and a read occur in parallel with execution. Its 14-bit instruction word is the defining trait of the mid-range family and provides a richer opcode space than 12-bit baseline PICs while preserving the same low-power CMOS implementation. The 'A' revision (PIC16F876A) later added internal improvements such as a wider ADC, but the original -20/SO remains pin-compatible and firmware-compatible for legacy code bases. Typical applications include industrial control boards, sensor signal conditioning with A/D conversion, low-end motor control via the CCP/PWM modules, UART-connected sensor hubs, and educational/development kits where the PIC16 architecture is taught. The 28-SOIC footprint is the most common PCB variant of the PIC16F87x line. When designing with this part, confirm that your firmware uses the original PIC16F876 silicon (not the 'A' revision) so the device-ID bits match and the ICSP programming algorithm is correct. The 20 MHz rating corresponds to a 20 MHz external oscillator and 200 ns instruction cycle; operation below this speed is supported, but the ADC acquisition time formula depends on Fosc and must be re-validated if the clock changes. This page synthesizes distributor pricing, drop-in compatible alternatives sourced from web cross-reference data, and practical design notes that go beyond the manufacturer datasheet to help engineers evaluate the PIC16F876-20/SO for both new designs and legacy maintenance.

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PIC16F876-20/SP - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16F876-20/SP

PIC16F876-20/SP - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16F876-20/SP is an 8-bit CMOS FLASH-based microcontroller from the PIC16F family, delivering 20MHz instruction execution (200ns per instruction) in a 28-pin SPDIP package. It integrates 14KB of program Flash memory, 368 bytes of RAM, 256 bytes of EEPROM data memory, 22 general-purpose I/O pins, and a rich peripheral set including five 10-bit ADC channels, two capture/compare/PWM modules, an enhanced USART, and a synchronous serial port configurable as SPI or I²C master/slave. A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, timers, and I/O peripherals. The PIC16F876 sits in Microchip's mid-range PIC16 family, sitting in the taxonomy: 8-bit MCU -> PIC16F mid-range -> FLASH MCU -> embedded controller -> semiconductor. Its RISC architecture uses only 35 single-word instructions and is upward compatible with the PIC16C5X, PIC12CXXX, and PIC16C7X families, enabling easy code migration across the entire mid-range line. Key features include self-programmability (in-circuit serial programming, ICSP), in-circuit debugging (ICD), two 8-bit timers plus one 16-bit timer, a watchdog timer with its own on-chip RC oscillator, brown-out reset, and a wide 2.0V to 5.5V operating voltage range. The CMOS FLASH process delivers low-power operation with typical sleep currents under 1µA. The architecture combines a Harvard bus (separate program and data paths) with RISC-like instruction execution, which simplifies code density and deterministic timing. Five 10-bit ADC channels support conversion of analog sensor signals at up to 100ksps, while two PWM modules enable motor control, lighting, or power-conversion applications. Typical applications include industrial control and sensing nodes, HVAC actuator control, consumer appliance interfaces, automotive body electronics (non-safety), battery chargers, and small- to mid-complexity embedded systems requiring reliable FLASH reprogrammability. The PIC16F886 is the recommended successor for new designs; PIC16F876-20/SP is most often sourced for legacy system maintenance. When designing, route VDD with a 0.1µF decoupling capacitor close to the pin, ensure MCLR has proper pull-up, and respect the 20MHz oscillator limit. In-circuit programming requires the ICSP header; consult the Microchip PIC16F87X programming specification for timing and voltage constraints. This page synthesizes distributor pricing, drop-in alternatives such as the PIC16F876A-I/SP enhanced successor, and practical design notes not consolidated on the manufacturer product page, providing a single reference for engineers evaluating, sourcing, or maintaining PIC16F876-20/SP designs.

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PIC16F876-20I/SO - 8-bit 20MHz 14KB Flash MCU | Microchip
PIC16F876-20I/SO

PIC16F876-20I/SO - 8-bit 20MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16F876-20I/SO is an 8-bit CMOS Flash microcontroller in the PIC16 mid-range family, delivering 20MHz operation (200ns instruction cycle), 14KB of Flash program memory and 368 bytes of RAM in a 28-pin SOIC package. The 'I' suffix denotes the industrial temperature grade (-40C to +85C) and the '20' speed grade denotes 20MHz maximum oscillator frequency, with the device supplied in a wide SOIC-28 outline suitable for hand-soldered prototypes and reflow production. Core peripherals include 256 bytes of EEPROM, five 10-bit ADC channels, two 8-bit timers plus one 16-bit timer, two Capture/Compare/PWM (CCP) modules, an MSSP configurable as SPI or I2C, a USART, and an ICD (In-Circuit Debug) interface. A PIC16F 8-bit RISC microcontroller is a Harvard-architecture MCU with separate program and data buses, executing one instruction per cycle (except branches) from a compact RISC instruction set. The PIC16 family is positioned under Microchip's higher-end PIC18 and PIC24 families in the 8-bit MCU taxonomy and remains popular for cost-sensitive embedded control due to its low part price, broad tool support, and the MPLAB X IDE + XC8 compiler ecosystem. The 14KB Flash on the PIC16F876 is self-programmable under firmware control, enabling bootloader-style field updates. Key features of the PIC16F876 include the high-performance RISC CPU with only 35 single-word instructions, a 14-bit instruction word, an 8-level deep hardware stack, DC to 20MHz clock input, 22 digital I/O pins multiplexed with peripheral functions, power-managed sleep mode with multiple wake sources, and programmable code protection. The industrial grade -I suffix guarantees operation from -40C to +85C, while the SO package is JEDEC SO-7.50mm wide body. Architecturally the part uses a 14-bit wide Flash program store, an 8-bit data path, and a dual-oscillator option (XT/HS/RC/LP) plus a power-up timer and oscillator start-up timer that simplify board bring-up. The five 10-bit ADC channels are multiplexed onto shared analog input pins with software-selectable acquisition time, and the two CCP modules can operate in PWM, Capture or Compare modes for motor control or measurement timing. Typical applications include industrial sensor interfaces, motor control (small DC and stepper drives), consumer appliances, automotive body electronics sub-modules, battery chargers, and small-scale data acquisition front-ends. The wide SOIC footprint and industrial temperature range also suit HVAC controllers and security panel designs. When designing with the PIC16F876-20I/SO, note that Microchip recommends migrating to the PIC16F886 for new designs since the PIC16F876 is in long-term support. Use a 100nF decoupling capacitor adjacent to each VDD/VSS pair, configure the MCLR pin with the recommended external reset network, and reserve the ICD pins (RB6/RB7) for debug access during development. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes not found on the manufacturer datasheet alone, giving procurement and design teams a single reference for both sourcing and migration decisions.

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PIC16F876A-E/ML - 8-bit 20MHz 14KB Flash MCU 28-QFN | Microchip
PIC16F876A-E/ML

PIC16F876A-E/ML - 8-bit 20MHz 14KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC16F876A-E/ML is an 8-bit PIC16 enhanced flash microcontroller (MCU) running at 20 MHz with 14 KB of program flash, 368 bytes of RAM, and 256 bytes of EEPROM data memory, housed in a 28-pin QFN (ML, 6x6 mm) package. It is the -40C to +125C extended-temperature variant and ships in tube packaging for industrial and automotive-grade embedded designs. What is an 8-bit flash microcontroller? An 8-bit flash MCU is a single-chip computer built around an 8-bit data path, with non-volatile program memory (flash), volatile working RAM, and on-chip peripherals. It belongs to the broader hierarchy: microcontroller -> embedded controller -> semiconductor IC. Microchip's PIC16 mid-range family is one of the longest-lived 8-bit architectures, valued for its 35-instruction RISC core, deterministic 200 ns instruction execution, and upward code compatibility with the PIC16C5X, PIC12CXXX, and PIC16C7X families. Key features of the PIC16F876A include in-circuit serial programming (ICSP) and self-programmability for field firmware updates, two analog comparators, five channels of 10-bit analog-to-digital conversion, two capture/compare/PWM (CCP) modules, and a master synchronous serial port configurable as either 3-wire SPI or 2-wire I2C. The 14 KB flash supports up to 8K single-word instructions. Technically, the device is built on a CMOS flash/EEPROM process and integrates a precision bandgap reference, brown-out reset (BOR), watchdog timer (WDT), and a wide operating voltage range suitable for both 3.3 V and 5 V rails. Its 22 I/O pins give designers generous headroom for mixed-signal designs. Typical applications include industrial automation, sensor interfacing, motor control via the CCP/PWM channels, battery management front-ends, automotive body electronics, and consumer device controllers. The 28-QFN (ML) package is well suited to space-constrained layouts where PCB real estate is at a premium. When designing with the PIC16F876A-E/ML, note that the -E suffix designates the -40C to +125C extended-temperature grade; choose the -I suffix (-40C to +85C) if your application is commercial. The 6x6 mm QFN footprint requires thermal vias under the exposed pad for reliable heat dissipation at maximum clock rate. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet, helping engineers evaluate the PIC16F876A-E/ML against modern 8-bit and 32-bit alternatives for new designs and legacy maintenance.

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PIC16F876A-E/SS - 8-bit MCU, 14KB Flash, 28-SSOP | Microchip
PIC16F876A-E/SS

PIC16F876A-E/SS - 8-bit MCU, 14KB Flash, 28-SSOP | Microchip

The Microchip PIC16F876A-E/SS is an 8-bit enhanced flash microcontroller in the PIC16 mid-range family, offering 14KB of program Flash, 368 bytes of RAM, and 256 bytes of EEPROM in a 28-pin SSOP (Shrink Small Outline Package). It executes instructions at 200 ns per cycle (5 MIPS at 20 MHz), supports 35 single-word instructions, and integrates peripherals including a 10-bit A/D converter with up to 5 input channels, two 8/16-bit capture/compare/PWM modules, a synchronous serial port configurable as SPI or I2C, two analog comparators, and in-circuit debug (ICD) capability. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces on one die. The PIC16F876A belongs to the PIC16 family (8-bit Harvard RISC architecture), which sits within the broader category of microcontrollers in Microchip's 8-bit portfolio, alongside PIC12 and PIC18 lines. The "F" suffix denotes Flash program memory suitable for in-circuit serial programming (ICSP), while the "A" revision adds self-programming support and improvements to the original PIC16F876. Key features include instruction execution at 200 ns (200 nanosecond instruction execution), wide 2.0V to 5.5V operating voltage, self-programming for bootloader-style updates, programmable code protection, an integrated watchdog timer, and brown-out reset. The -E suffix designates the -40C to +125C extended industrial temperature grade, suitable for harsh-environment applications, while the /SS package designator indicates a 28-pin SSOP for surface-mount assembly. Typical applications include industrial control boards, sensor interfaces, low-end consumer electronics, motor control, lighting ballast, automotive body electronics, and educational/development platforms. The integrated 10-bit ADC and two comparators allow direct connection to analog sensors, while SPI/I2C enables communication with external EEPROMs, sensors, displays, and other microcontrollers. When designing with this device, ensure decoupling capacitors are placed within 1 cm of VDD, and unused I/O pins should be configured as outputs and tied low to minimize power consumption. The device can be programmed in-circuit via ICSP using a Microchip PICkit or ICD debugger. This page synthesizes distributor pricing, drop-in alternative MPNs, and design guidance not consolidated in the manufacturer datasheet alone.

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PIC16F876A-I/ML - 8-bit 20MHz 14KB Flash MCU 28-QFN | Microchip
PIC16F876A-I/ML

PIC16F876A-I/ML - 8-bit 20MHz 14KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC16F876A-I/ML is an 8-bit CMOS flash-based mid-range PIC microcontroller (MCU) built on the PIC16 architecture, executing instructions in 200 ns and offering 14KB (8K x 14) of on-chip program FLASH, 368 bytes of SRAM, and 256 bytes of EEPROM data memory. It is housed in a 28-pin QFN (6x6 mm) surface-mount package with an exposed thermal pad, operates from 2.0V to 5.5V, and runs at up to 20 MHz. The part is specified for the industrial temperature range of -40C to +85C as denoted by the "I" suffix. A mid-range PIC16 microcontroller is a class of 8-bit RISC MCU that combines a 35-instruction core, deterministic execution timing, on-chip peripherals, and self-programmable flash memory in compact packages. Within the broader taxonomy, it sits at microcontroller -> 8-bit MCU -> RISC MCU -> embedded controller -> semiconductor. The PIC16F876A family is upwards compatible with the PIC16C5X, PIC12CXXX and PIC16C7X device lines, helping engineers port legacy code to modern flash-based silicon without rewriting firmware. Key features include five channels of 10-bit Analog-to-Digital (A/D) conversion, two analog comparators, two Capture/Compare/PWM (CCP) modules, an ICD (In-Circuit Debugger) interface for live debugging, and a synchronous serial port that can be configured as either a 3-wire Serial Peripheral Interface (SPI) or a 2-wire Inter-Integrated Circuit (I2C) bus. An Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) module provides additional serial connectivity, and 22 digital I/O pins support a wide variety of sensor, switch, and actuator interfaces. Typical applications for the PIC16F876A-I/ML include industrial control systems, automotive body electronics and lighting, communications equipment, wired networking nodes, personal electronics, and connected peripherals and printers. The combination of EEPROM, ADC, comparators, and CCP in a single 28-QFN footprint makes the part a strong fit for compact mixed-signal designs that previously required multiple discrete ICs. This page synthesizes distributor pricing, drop-in QFN-28 alternatives, and practical design notes not found in the manufacturer datasheet. All specifications, pinout information, and reference design guidance have been consolidated from Microchip documentation and authorized distributor listings for the PIC16F876A-I/ML.

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PIC16F876A-I/SS - 8-Bit 20MHz 14KB MCU 28-SSOP | Microchip
PIC16F876A-I/SS

PIC16F876A-I/SS - 8-Bit 20MHz 14KB MCU 28-SSOP | Microchip

The Microchip Technology PIC16F876A-I/SS is an 8-bit CMOS flash-based PIC16 mid-range microcontroller with 20 MHz maximum CPU clock (200 ns instruction cycle), 14 KB (8K x 14) of program Flash memory, 368 bytes of SRAM, and 256 bytes of EEPROM, packaged in a 28-pin SSOP (5.30 mm body). The -I temperature grade specifies an industrial -40C to +85C operating range and is suitable for consumer, industrial, and embedded control applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash), data memory (RAM), and a rich set of peripherals (timers, ADC, communication ports, GPIO). Within the broader taxonomy, the PIC16F876A belongs to PIC16 family -> PIC16F mid-range 8-bit MCU -> flash MCU -> microcontroller -> semiconductor IC. Mid-range PIC16 MCUs are widely recognized for their 35-instruction RISC architecture, deterministic instruction execution, and ease of programming in both C and assembly. Key features include 22 digital I/O pins, five 10-bit ADC channels, two analog comparators, two capture/compare/PWM modules, a USART port, and a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C. On-chip in-circuit debug (ICD) and self-programming capability allow field upgrades without external programmers. The Harvard memory architecture separates program and data buses, enabling simultaneous fetch and execute for deterministic real-time control. Typical applications include industrial sensor interfacing, low-cost motor control, automotive AC diagnostics, hobby robotics, and battery-powered Smart Sensing applications. The 5-channel 10-bit ADC allows direct connection to temperature sensors. When designing with the PIC16F876A-I/SS, pay attention to supply decoupling and in-circuit serial programming (ICSP) pin allocation to avoid conflicting with target application I/O. The device operates from 2.0 V to 5.5 V. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on individual distributor product pages.

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PIC16F876AT-E/SO - 8-bit 20MHz MCU, 14KB Flash 28-SOIC | Microchip
PIC16F876AT-E/SO

PIC16F876AT-E/SO - 8-bit 20MHz MCU, 14KB Flash 28-SOIC | Microchip

The Microchip Technology PIC16F876AT-E/SO is an 8-bit RISC PIC microcontroller with 20 MHz core clock speed, 14 KB (8K x 14) of FLASH program memory and 256 bytes of EEPROM, packaged in a 28-pin SOIC (0.295 inch / 7.50 mm body width) with tape-and-reel packaging. The 'A' suffix denotes the redesigned silicon revision (PIC16F876A), while the 'T' indicates tape-and-reel orientation and 'E' marks the -40C to +125C extended operating temperature grade for automotive-grade deployments. A PIC microcontroller is a programmable System-on-Chip that integrates CPU core, non-volatile program memory (FLASH), volatile data RAM, EEPROM for parameter storage, and on-chip peripherals such as analog-to-digital converters, timers, and serial communication engines into a single CMOS device. The PIC16F876 family sits in the mid-range PIC16 hierarchy between the 14/20-pin PIC16F7X series and the 40-pin PIC16F877A, and is software-compatible with the PIC16C5X, PIC12CXXX and PIC16C7X lines for easy code reuse. Key features include 368 bytes of RAM, five 10-bit Analog-to-Digital Converter (ADC) channels, two analog comparators, an ICD (In-Circuit Debugger) interface, self-programming FLASH, 22 programmable digital I/O pins, and 35 single-word instructions for compact code density. Master Synchronous Serial Port (MSSP) supports SPI and I2C, while the Enhanced Universal Synchronous Asynchronous Receiver-Transmitter (EUSART) provides hardware RS-232 / RS-485 framing. The Harvard architecture separates program and data buses for single-cycle ALU operations and deterministic interrupt response, while nanopower technology offers low-power Run, Idle and Sleep modes typical of PIC mid-range devices. The 20 MHz clock supports 200 ns instruction execution, providing 5 MIPS of throughput in the automotive temperature range. Typical applications include automotive body and chassis electronics, industrial control loops, sensor signal conditioning, appliance control boards, low-cost data loggers, and 4-20 mA loop transmitters that benefit from on-chip EEPROM for calibration constants. The combination of self-programming FLASH and ICD makes this part a reliable choice for field-upgradable embedded platforms. When migrating from the original PIC16F876 to the 'A' revision, verify register and errata deltas in the PIC16F876A errata document, and reserve one ADC channel as an internal bandgap reference for ratiometric measurements. The 28-SOIC footprint is widely supported on hand-solderable prototyping boards and keeps the bill-of-materials inexpensive. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet alone, including thermal performance of the SOIC-28 footprint and site-internal cross references to PIC16F876A-I/ML and PIC16F876A-E/SS.

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PIC16F876AT-I/SO - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16F876AT-I/SO

PIC16F876AT-I/SO - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip PIC16F876AT-I/SO is an 8-bit RISC microcontroller from the PIC16F87X family featuring 14KB of Flash program memory, 368 bytes of RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (SO) package with Tape & Reel packaging. It operates from 2.0V to 5.5V with a maximum clock speed of 20MHz, delivers 5 MIPS of throughput, and integrates 22 digital I/O pins organized across multiple ports. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals on a single die. The 'PIC' (Peripheral Interface Controller) architecture uses a Harvard RISC design with a fixed instruction set that simplifies pipelining and decoding, allowing most instructions to execute in a single clock cycle. Within the broader taxonomy, PIC16F876A sits in the legacy mid-range 8-bit family, sitting between baseline (PIC10/12) and enhanced mid-range (PIC16F1xxx) families - well suited for control-oriented tasks rather than compute-intensive signal processing. The 'A' suffix denotes an enhanced flash revision with higher code density and improved peripherals versus the original PIC16F876. Key features include two 10-bit ADC modules with up to 8 channels, two 8-bit and one 16-bit timer, a USART with synchronous and asynchronous modes, a Master Synchronous Serial Port (MSSP) supporting SPI and I2C, an addressable 14-channel Capture/Compare/PWM module, and 22 source/sink I/O capable of 25 mA per pin for direct LED drive. Brown-out Reset (BOR), Power-On Reset (POR), and a Watchdog Timer with on-chip oscillator improve field reliability, while In-Circuit Serial Programming (ICSP) via two pins allows firmware updates without removing the part from the board. The enhanced flash cell supports 100,000 erase/write cycles and 40-year data retention per Microchip datasheet literature for the PIC16F87XA family. The 14-bit instruction word with 35 single-word instructions enables compact code while the 8-level hardware stack simplifies interrupt handling and real-time response. Typical applications include industrial control and sensor interfacing, automotive body and HVAC subsystems, consumer appliance control boards, low-power remote sensor nodes, and small home automation hubs. Compared with PIC16F873A, the F876A adds 6KB more Flash (14KB vs 8KB); compared with PIC16F877A, the F876A shares the same 14KB Flash but uses a 28-pin package rather than 40/44 pins - fewer I/O pins in exchange for a smaller PCB footprint. When designing with the PIC16F876A-I/SO, reserve the MCLR/VPP pin for ICSP and add a 10-47 kΩ pull-up plus a 100 nF decoupling cap adjacent to VDD. Always bypass VDD with a 100 nF X7R ceramic placed within 5 mm of the pin, and keep the analog VDD/VSS traces short and parallel to reduce ADC reference noise. The industrial (-I) temperature grade supports -40 °C to +85 °C; for automotive under-hood duty cycles consider PIC16F876A-E/SO (-40 °C to +125 °C) or the Q-graded automotive variants. This page synthesizes distributor pricing, drop-in alternatives within the 28-SOIC footprint, and practical design notes not found in the manufacturer datasheet.

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PIC16F876AT-I/SS - 14KB Flash 8-bit MCU 20MHz SSOP-28 | Microchip
PIC16F876AT-I/SS

PIC16F876AT-I/SS - 14KB Flash 8-bit MCU 20MHz SSOP-28 | Microchip

The Microchip Technology PIC16F876AT-I/SS is a high-performance 8-bit CMOS FLASH-based microcontroller from the PIC® 16F family, offering 14KB (8K x 14 words) of on-chip program memory, 368 bytes of RAM, and 256 bytes of EEPROM data memory in a 28-pin Shrink Small Outline Package (SSOP). It executes instructions in a 200 ns cycle at 20 MHz clock input and is supported by 22 digital I/O pins, a 10-bit Analog-to-Digital Converter with up to 5 channels, two analog comparators, USART, MSSP (SPI/I²C), and two 8/16-bit timer/counters with capture/compare/PWM modules. A microcontroller (MCU) is an integrated circuit that combines a CPU core, non-volatile program memory, RAM, and configurable peripherals into a single chip. Within the broader taxonomy, the PIC16F876A belongs to the 8-bit MCU family, derived from the RISC (Reduced Instruction Set Computer) architectural lineage, which uses a small fixed instruction set (35 single-word instructions for PIC16 mid-range) to simplify decoding and accelerate execution. MCUs sit within the semiconductor hierarchy alongside microprocessors, DSPs, and FPGAs, and are the foundational building block of embedded systems. Mid-range PIC16 devices strike a balance between 8-bit simplicity and integrated peripherals, making them common in industrial control, instrumentation, and consumer products. Key features that distinguish the PIC16F876A include its self-programmable FLASH memory (ICD/in-circuit debugger support), five channels of 10-bit ADC, two analog comparators with programmable reference, USART for asynchronous/synchronous serial, MSSP supporting SPI master/slave and I²C master/slave, and Capture/Compare/PWM modules. The 256-byte EEPROM is rated for 1 million erase/write cycles typical and supports data retention beyond 40 years. Brown-out Reset (BOR), Power-on Reset (POR), and the Watchdog Timer with its own on-chip RC oscillator deliver robust autonomous recovery. Operating voltage spans 2.0 V to 5.5 V, allowing operation from a single lithium cell up to a regulated 5 V rail. Typical applications include industrial sensor nodes with on-board A/D conversion, motor control (small DC and stepper drivers via PWM), HVAC thermostat controllers, battery chargers (CC/CV profiles), consumer appliances (coffee machines, washing machines), and serial-bus peripherals (RS-485 slave nodes, I²C sensor front-ends). The 28-pin SSOP footprint is pin-compatible across the PIC16F873A/876A family, allowing memory-upgrade flexibility without PCB rework. Design consideration: when migrating firmware between the 28-pin PIC16F873A (7KB Flash), PIC16F876A (14KB Flash), and 40/44-pin PIC16F874A/877A (14KB/28KB Flash), ensure that pin assignments for the A/D converter channels and the parallel slave port (PSP, only on 40/44-pin variants) are reviewed against the target pinout. The 'T' suffix indicates tape-and-reel packaging, and the 'I' indicates the industrial -40°C to +85°C temperature range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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