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PIC16F84A-20I/SO - 20MHz 8-Bit Flash MCU 18-SOIC | Microchip
PIC16F84A-20I/SO

PIC16F84A-20I/SO - 20MHz 8-Bit Flash MCU 18-SOIC | Microchip

The Microchip Technology PIC16F84A-20I/SO is a 20 MHz, 8-bit CMOS Flash/EEPROM-based microcontroller in an 18-pin SOIC package, industrial temperature grade (-40C to +85C). It integrates 1.75 KB (1K x 14) of Flash program memory, 68 bytes of SRAM, 64 bytes of EEPROM data, and 13 digital I/O pins in the PIC16 mid-range RISC family. What is a PIC16F84A? The PIC16F84A is a classic member of Microchip's PIC mid-range 8-bit microcontroller family. Microcontrollers (MCUs) are single-chip computers that integrate CPU, program memory, data memory, and programmable I/O peripherals; this particular part belongs to the "enhanced Flash MCU" sub-family and is targeted at simple embedded control tasks where deterministic instruction execution and easy in-circuit serial programming matter more than raw MIPS. It sits in the taxonomy: microcontroller -> 8-bit MCU -> PIC16 family -> PIC16F84A. Key features include 200 ns instruction execution (5 MIPS at 20 MHz), 35 single-word instructions, 14-bit wide instruction word, two hardware timers (Timer0 with 8-bit prescaler, Timer2), 10-bit resolution capture/compare/PWM, and a 4 MHz internal RC oscillator option. The 13 I/O pins source/sink up to 25 mA each, enabling direct LED or relay drive without external buffers. Architecturally the PIC16F84A uses Harvard memory with separated code and data buses, 8-level deep hardware stack, and a 14-bit instruction word optimized for compact code density. The Flash program memory supports in-system serial programming (ICSP) via RB6/RB7, allowing firmware updates after PCB assembly without desoldering the device. Typical applications include consumer appliances, automotive body electronics, industrial control modules, sensor signal conditioning, and educational/hobbyist designs. The device's small footprint and mature toolchain (MPLAB X + XC8) make it a frequent choice for cost-sensitive, low-pin-count embedded products. When designing with this part, pair it with a 100 nF decoupling capacitor on VDD and an external 4 MHz or 20 MHz crystal between OSC1/OSC2 for timing-accurate applications; software delay loops are sufficient if only the internal 4 MHz RC oscillator is used. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the PIC16F84A-20I/SO that complement the manufacturer datasheet with concise, citation-ready engineering context.

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PIC16F84A-20I/SS - 8-Bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F84A-20I/SS

PIC16F84A-20I/SS - 8-Bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F84A-20I/SS is an 8-bit CMOS Flash/EEPROM-based microcontroller in the PIC16 family, operating at up to 20 MHz with 1.75 KB (1K x 14) of Flash program memory, 68 bytes of RAM, and 64 bytes of EEPROM data memory, housed in a 20-pin SSOP package. It executes instructions in 200 ns and is built on Microchip's powerful PIC RISC architecture with only 35 single-word instructions, enabling rapid development and code density. An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, program memory, data RAM, non-volatile EEPROM, and programmable I/O on a single die. Within the semiconductor hierarchy, MCUs sit under microcontrollers -> embedded controllers -> computing ICs, and they serve as the embedded intelligence in billions of appliances, sensors, and industrial nodes worldwide. Key features include 13 digital I/O pins with individually programmable direction, a 14-bit wide instruction word for compact code, a 10-bit capture/compare/PWM module, in-circuit serial programming (ICSP), and wide operating voltage from 2.0V to 5.5V. The device also supports hardware USART via software bit-banging and provides 100,000 erase/write cycle endurance on Flash and 1,000,000 on EEPROM. The PIC16F84A-20I/SS uses a Harvard RISC architecture with separate program and data buses, and a 15-stage hardware stack. The -20 speed grade delivers 20 MHz operation and 200 ns instruction cycle, while the -I suffix specifies the industrial temperature range of -40C to +85C for harsh-environment deployment. Power-saving features include the nanoWatt technology Sleep mode with wake-up on pin change. Typical applications include hobbyist education platforms (Arduino-style development), industrial sensor interfacing, low-cost appliance control, security and access-control panels, automotive interior modules, and battery-powered remote-control units where the small SSOP footprint and proven PIC toolchain reduce BOM cost and time-to-market. When designing with this device, reserve the MCLR/VPP pin for in-circuit programming and ensure decoupling of VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin. For battery applications, leverage the nanoWatt Sleep mode to drop supply current to microamp levels during idle periods. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing an engineer-grade reference beyond standard catalog listings.

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PIC16F84AT-04/SS - 4MHz 8-Bit MCU 1.75KB Flash SSOP-20 | Microchip
PIC16F84AT-04/SS

PIC16F84AT-04/SS - 4MHz 8-Bit MCU 1.75KB Flash SSOP-20 | Microchip

The Microchip Technology PIC16F84AT-04/SS is an 8-bit RISC flash microcontroller from the PIC16F family, delivering 4 MHz maximum clock input with 68 bytes of RAM, 1.75 KB (1K x 14) of Flash program memory, and 64 bytes of EEPROM data memory in a 20-pin SSOP package. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals, enabling embedded control in products ranging from washing machines to industrial sensors. The PIC16F84A sits in the legacy mid-range PIC family, descending from the broader 8-bit PIC10/12/16 hierarchy and ultimately from the RISC microcontroller class that dominates cost-sensitive embedded designs. Key features include 13 general-purpose digital I/O pins, an integrated Power-On Reset (POR), Watchdog Timer (WDT), and a 35-instruction set where every instruction executes in a single 400 ns cycle except program branches which take two cycles. The device supports in-circuit serial programming (ICSP) and operates from a single 4.0 V to 5.5 V supply, making it suited to legacy 5 V logic systems. Architecturally, the PIC16F84A uses a Harvard architecture with separate code and data buses, a 14-bit instruction word, and a hardware stack that supports direct interrupt context save. Its CMOS, fully-static design allows the clock to be stopped without losing register contents, an important feature for low-power applications. Typical applications include legacy industrial control nodes, hobby electronics, retro product maintenance, simple sensor readouts, and educational platforms where the 5V operation and breadboard-friendly PICkit programmer compatibility matter more than raw MIPS. When designing with the PIC16F84AT-04/SS, ensure MCLR is tied through a proper pull-up and decoupling capacitors are placed within 5 mm of VDD/VSS. Operating temperature is 0°C to +70°C (commercial grade) per the verified distributor data. This page synthesizes distributor pricing, drop-in alternatives and practical design notes that supplement the Microchip datasheet and cross-reference tools.

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PIC16F84AT-04I/SO - 4MHz 8-bit Flash MCU, 1.75KB | Microchip
PIC16F84AT-04I/SO

PIC16F84AT-04I/SO - 4MHz 8-bit Flash MCU, 1.75KB | Microchip

The Microchip PIC16F84AT-04I/SO is an 8-bit CMOS Flash/EEPROM-based microcontroller from the PIC16F8X family, housed in an 18-pin SOIC package. It features 4 MHz maximum clock input, 1.75 KB (1K x 14) of Flash program memory, 68 bytes of RAM, 64 bytes of EEPROM data memory, and 13 digital I/O pins supporting 4 MHz operation across an industrial temperature range. An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU, memory (Flash program + RAM + EEPROM), and peripherals on one die. The PIC16F8X family sits inside the mid-range PIC16CXX series of low-cost, high-performance, fully-static CMOS RISC microcontrollers. Hierarchy: 8-bit MCU -> microcontroller -> embedded IC -> semiconductor. The 'T' suffix denotes tape-and-reel packaging, '04' indicates the 4 MHz speed grade, 'I' specifies the industrial temperature range (-40C to +85C), and 'SO' is the 18-pin SOIC package designation. Key features include a 14-bit instruction word with only 35 single-word instructions, 200 ns instruction cycle at 4 MHz (most instructions are single-cycle), an 8-level hardware stack, and 15 special-function hardware registers. The device integrates an EEPROM with 1 million erase/write cycles endurance and 40-year data retention, a watchdog timer with on-chip RC oscillator, power-on reset, power-saving Sleep mode, and an in-circuit serial programming (ICSP) interface for field upgrades without removing the part. Architecturally, the PIC16F84A uses a Harvard RISC core with separate program and data buses, giving deterministic instruction timing. The 4 MHz oscillator drives a 4-stage pipeline-free core that executes one instruction per instruction cycle (except branches which are 2-cycle). Compared to CISC architectures, this RISC approach yields higher code density per MHz and predictable interrupt latency. The integrated EEPROM allows parameter storage without external serial memory. Typical applications include industrial control systems, low-power remote sensors, smart-card readers, small appliance controls, hobbyist projects and educational prototyping, and battery-powered embedded systems where Sleep mode current is critical. The 13 I/O pins can directly drive LEDs, sense switches, or bit-bang serial protocols like UART and I2C in software. When designing, note that 4 MHz is the rated maximum at 5V VDD; operation above this frequency requires the -20 speed grade. Also reserve one I/O pin for ICSP if you intend in-field firmware updates, or plan for ISP header access during production.

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PIC16F84AT-04I/SS - 4MHz 8-bit Flash MCU 1.75KB | Microchip
PIC16F84AT-04I/SS

PIC16F84AT-04I/SS - 4MHz 8-bit Flash MCU 1.75KB | Microchip

The Microchip Technology PIC16F84AT-04I/SS is an 8-bit CMOS RISC microcontroller in the PIC16F family, featuring a 4 MHz core, 1.75 KB (1K x 14) of Flash program memory, 68 bytes of SRAM, and 64 bytes of EEPROM, housed in a 20-pin SSOP package. It integrates 13 general-purpose digital I/O pins, a Power-On Reset (POR), a Watchdog Timer (WDT), and 35 single-word instructions, with all instructions executing in a single cycle except program branches which take two cycles (400 ns instruction cycle at 10 MHz clock input). A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16F84A belongs to the 8-bit microcontroller hypernym, then to the CMOS RISC architecture family, then to the microcontroller category, then to the embedded computing class. This 8-bit MCU category occupies the low-power, deterministic, low-cost niche of embedded systems, typically used where predictable timing and code simplicity outweigh raw throughput. Key features include a 4 MHz maximum operating frequency (10 MHz on the -10 variant), 1024 x 14 words of Flash program memory with in-circuit serial programming support, 64 bytes of EEPROM data memory with 1M erase/write cycle endurance, and 13 bidirectional I/O pins with individual direction control. The device operates over an industrial temperature range of -40C to +85C and supports supply voltages from 2.0V to 5.5V, with low-power consumption suitable for battery-backed designs. The PIC16F84A uses Microchip's classic Harvard RISC architecture with separate program and data buses, 14-bit wide instruction word, and a hardware stack depth of 8 levels. Its deterministic instruction timing simplifies real-time control loops, while the 35-instruction RISC set reduces code density overhead compared to CISC 8-bit MCUs of the same era. Typical applications include industrial control logic, hobbyist and educational microcontroller boards, simple sensor interfaces, automotive body electronics (non-safety), and legacy embedded system replacements. The 13 I/O and 1.75 KB Flash make it well-suited to small deterministic control tasks where upgrade cost outweighs the benefit of migrating to a newer PIC16F1xxx or PIC18 family part. When designing with this part, note that the original PIC16F84 (non-A) is officially marked obsolete by Microchip and replaced by the PIC16F84A. Choose the -04 speed grade (4 MHz) for low-power or 5V designs; the -10 grade (10 MHz) is required only when the 400 ns instruction cycle must be exploited at full throughput. This page consolidates distributor pricing, package-compatible drop-in alternatives within the PIC16F84A family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F84AT-20/SO - 8-bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F84AT-20/SO

PIC16F84AT-20/SO - 8-bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip PIC16F84AT-20/SO is an 8-bit Flash/EEPROM-based CMOS microcontroller from the PIC16F8X family, delivering 20 MHz operation (200 ns instruction cycle) in an 18-pin SOIC package. The device integrates 1.75 KB (1K x 14) of Flash program memory, 68 bytes of RAM, 64 bytes of EEPROM data memory, and 13 digital I/O pins, making it a workhorse for embedded control and education markets. An 8-bit microcontroller (MCU) is a self-contained computer-on-a-chip that combines a CPU, program memory (Flash/ROM), working RAM, non-volatile EEPROM, and programmable I/O peripherals on a single silicon die. The PIC16F84AT belongs to the "Enhanced Flash Microcontrollers with nanoWatt Technology" family in Microchip's taxonomy: 8-bit MCU -> PIC16 family -> PIC16F8X sub-family -> mid-range MCU with Harvard architecture. The Harvard architecture separates program and data buses, which lets the CPU fetch instructions and read data in the same cycle, simplifying instruction decoding and enabling deterministic real-time behaviour. Key features include 35 single-word instructions (most execute in one instruction cycle), a hardware 8-bit timer/counter (TMR0) with an 8-bit prescaler, a 16-bit timer (TMR1) with dedicated low-power oscillator option, an analog 5-channel 8-bit ADC on related family members, an internal RC oscillator option, in-circuit serial programming (ICSP), and a watchdog timer with its own on-chip RC oscillator for reliable operation. The 20 MHz oscillator input yields a 200 ns instruction cycle, which is the headline performance metric for the PIC16F84AT-20 speed grade. The PIC16F84AT uses Microchip's mid-range 14-bit instruction word with a 15 special-function registers and a deep register file. Power consumption is managed via nanoWatt technology with idle and sleep modes. Operating voltage is 4.0 V to 5.5 V with commercial temperature grade 0C to +70C. The 18-SOIC package (0.300" / 7.5 mm wide body) exposes RA0-RA5 on PORTA and RB0-RB7 on PORTB for 13 bidirectional I/O lines, supporting TTL or CMOS signal levels. Typical applications include hobbyist and educational development boards (it is the de facto "first PIC" taught worldwide), appliance control boards, automotive interior lighting and small sensor interface nodes, industrial timer / sequencer modules, and battery-PM replacement of legacy PIC16C84 designs with in-system reprogrammability. The ICSP interface allows firmware updates in the field without removing the chip from the board. When laying out the PCB, place the 18-SOIC decoupling pads (0.1 uF ceramic VDD-to-VSS) within 5 mm of both VDD pins and ensure MCLR pull-up routing avoids coupling into the 4 MHz resonator traces. The "T" suffix denotes tape-and-reel packaging, and the "20" denotes the 20 MHz speed grade; engineers often confuse PIC16F84A with PIC16F84, but the 'A' adds nanoWatt and ICSP support, and 'T' only changes the shipping medium. This page synthesizes distributor pricing, same-family drop-in alternatives such as PIC16F84A-20/SO and PIC16F84A-20I/SO, and practical 18-SOIC design notes not aggregated on any single manufacturer or distributor page.

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PIC16F84AT-20/SS - 20MHz 8-bit Flash MCU 1.75KB SSOP-20
PIC16F84AT-20/SS

PIC16F84AT-20/SS - 20MHz 8-bit Flash MCU 1.75KB SSOP-20

The Microchip Technology PIC16F84AT-20/SS is an 8-bit CMOS Flash-based microcontroller in the PIC16F family, housed in a 20-pin SSOP (Shrink Small Outline Package) and specified for operation up to 20 MHz with a 4.0 V to 5.5 V supply. The 'T' suffix denotes a tape-and-reel packaging variant, while the -20 speed grade marks the 20 MHz maximum clock input and 200 ns minimum instruction cycle. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, on-chip program memory, RAM, I/O peripherals, and a CPU core. It belongs to the wider taxonomy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. The PIC16F8X family uses a RISC Harvard architecture with only 35 single-word instructions, and all instructions execute in one instruction cycle except program branches which take two cycles - making it one of the simplest mid-range PIC families to learn and program. Key features include 1.75 KB (1K x 14) of self-programmable Flash program memory, 68 bytes of data RAM, 64 bytes of EEPROM data memory, 13 digital I/O pins, an 8-bit timer/counter (TMR0) with an 8-bit prescaler, a 16-bit timer/counter (TMR1), and a Watchdog Timer with its own on-chip RC oscillator. The part supports in-circuit serial programming (ICSP) via RB6 and RB7, enabling firmware updates after PCB assembly. Architecturally the PIC16F84A integrates a precision 4 MHz internal RC calibration word, a power-on reset, brown-out detect, power-up timer, and the proprietary nanoWatt Technology dynamic power-management features that lower quiescent current in sleep mode. The Harvard bus keeps program and data memory separate, allowing instruction fetch and data access in a single cycle. Typical applications include hobbyist and educational microcontroller projects, low-cost consumer appliances, automotive body controllers, sensor-interface front-ends, and legacy industrial-control retrofits where the PIC16F84A footprint has been qualified for years. The wide adoption also makes it a frequent BOM choice for educational kits and development boards. When designing with the PIC16F84AT-20/SS, note that only 13 of the 20 pins are usable as general-purpose I/O because three pins are required for the crystal/oscillator and one for MCLR reset; designers must also budget for the 5V-only supply, since the 'A' revision does not support the 2.0 V minimum of newer PIC16F1xx families. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F84AT-20E/SO - 8-bit 20MHz 1.75KB Flash MCU | Microchip
PIC16F84AT-20E/SO

PIC16F84AT-20E/SO - 8-bit 20MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F84AT-20E/SO is an 8-bit PIC16F family CMOS flash-based microcontroller delivering 20 MHz core performance, 1.75 KB (1K x 14) of on-chip Flash program memory, 68 bytes of RAM and 64 bytes of EEPROM data memory, in a surface-mount 18-SOIC (0.295", 7.50 mm width) package. The "T" suffix denotes tape-and-reel packaging for high-volume assembly, while "20E" designates a 20 MHz maximum clock and the extended (-40C to +125C) industrial temperature grade. With only 35 single-word instructions and a RISC-based Harvard architecture, it executes instructions in 200 ns at 20 MHz, making it well suited for latency-sensitive control loops. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and programmable I/O peripherals. The PIC16F84A belongs to the mid-range PIC16 family, which sits between baseline PIC10/12/14 devices and enhanced PIC18 devices in Microchip's portfolio. Within the broader taxonomy, PIC microcontrollers are part of the 8-bit RISC microcontroller category, used widely in industrial, automotive, and consumer embedded applications where deterministic timing, low cost, and ease of programming outweigh the need for high MIPS. Key features include 13 digital I/O pins arranged on two ports (PORTA 5-bit, PORTB 8-bit), a 10-bit successive approximation ADC channel, four interrupt sources, a 14-bit instruction word, and an internal watchdog timer with on-chip RC oscillator. The device operates from 2.0 V to 5.5 V, includes in-circuit serial programming (ICSP) capability, and supports 1,000,000 typical erase/write cycles on its Flash program memory with greater than 40 years of data retention on EEPROM. Architecturally, the PIC16F84A uses a separate instruction and data bus (Harvard architecture) which allows instruction fetch and operand read to occur simultaneously. Its 8-bit data path, 14-bit program bus, and small footprint deliver deterministic execution suitable for real-time control, while a hardware multiplier is not present - multiplication is performed in software. Power management includes sleep mode with wake-up via interrupts, suitable for battery-powered and energy-conscious designs. Typical applications include industrial automation controllers, sensor interface modules, automotive body electronics, low-cost consumer appliances, LED lighting controllers, and remote-control transmitter/receiver platforms. The 18-SOIC package allows easy hand-prototyping and reflow soldering on standard 0.1"-pitch adapters. When designing with this part, observe the maximum clock-versus-supply-voltage curve: at 5.5 V the device supports the full 20 MHz; below 4.0 V, the maximum frequency must be derated. Always use decoupling capacitors of 0.1 uF and 10 uF near the VDD pin, and reserve the MCLR/VPP pin for in-circuit serial programming access. This page synthesizes distributor stock, parametric drop-in alternatives, and engineering design notes not found in the manufacturer datasheet alone.

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PIC16F84AT-20E/SS - 8-bit 20MHz PIC MCU, 1.75KB Flash | Microchip
PIC16F84AT-20E/SS

PIC16F84AT-20E/SS - 8-bit 20MHz PIC MCU, 1.75KB Flash | Microchip

The Microchip Technology PIC16F84AT-20E/SS is an 8-bit PIC16-family RISC microcontroller running at 20 MHz core clock speed, integrating 1.75 KB (1K x 14) of Flash program memory, 68 bytes of SRAM, and 64 bytes of EEPROM data memory, packaged in a 20-pin SSOP (5.30 mm body width) with tape-and-reel delivery. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and programmable I/O on one die. PIC16 devices from Microchip are members of the larger PIC family, which sits within the 8-bit MCU hypernymy of microcontroller -> embedded processor -> semiconductor IC. The PIC16F84A in particular was a popular baseline part used to teach embedded programming and remains widely deployed in legacy industrial, hobby, and educational designs. Key features include 13 programmable digital I/O pins, on-chip Power-On Reset (POR), a Watchdog Timer (WDT) with dedicated on-chip RC oscillator, an asynchronous serial port (USART/SCI) capability through the RB port, and In-Circuit Serial Programming (ICSP) via two pins. The 'T' suffix denotes tape-and-reel packaging, the '20' denotes 20 MHz maximum clock, the 'E' denotes the Enhanced temperature range (-40C to +125C), and '/SS' denotes the SSOP-20 (5.30 mm) package. The PIC16F84A uses a Harvard-architecture 14-bit instruction word, RISC-style instruction set, and a 35-instruction opcode table that allows most instructions to complete in one instruction cycle (4 clock cycles). The 8-level deep hardware stack and 15 special-function hardware registers give the device a deterministic execution model suitable for real-time control tasks. Typical applications include hobby and educational projects, simple sensor interfaces, LED controllers, low-end motor-control sequencers, replacement of legacy 8051-based designs, and In-Circuit Serial Programming (ICSP) bootloader hosts. The wide operating voltage (2.0 V to 5.5 V) and low-power CMOS process make it suited to both battery and mains-powered designs. When designing with the PIC16F84A, note that the device has no on-chip analog peripherals (no ADC, no comparator) - all analog signal conditioning must be done externally. The Flash memory endurance is 1000 erase/write cycles typical and 100K read cycles, and EEPROM endurance is 1M erase/write cycles typical, both per the manufacturer datasheet. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond what the bare Microchip datasheet provides, including a comparison matrix against the original PIC16F84A-20I/SS and the modern PIC16F690-I/SS baseline.

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PIC16F84AT-20I/SS - 8-bit Flash MCU, 20MHz, 1.75KB | Microchip
PIC16F84AT-20I/SS

PIC16F84AT-20I/SS - 8-bit Flash MCU, 20MHz, 1.75KB | Microchip

The Microchip Technology PIC16F84AT-20I/SS is an 8-bit Flash/EEPROM-based CMOS microcontroller from the PIC16F8X family, housed in a 20-pin SSOP (Shrink Small Outline Package). The device operates at up to 20 MHz clock input with a 200 ns instruction cycle, integrates 1.75 KB (1K x 14) of Flash program memory, 68 bytes of SRAM, and 64 bytes of EEPROM data memory. The 'T' suffix indicates tape-and-reel packaging, the '-20' indicates 20 MHz maximum clock, 'I' denotes the industrial -40C to +85C operating temperature range, and '/SS' marks the SSOP-20 package. An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control. It integrates a CPU, program memory (Flash/ROM), data memory (RAM), non-volatile data storage (EEPROM), and peripherals such as timers, I/O ports, and communication interfaces. The PIC architecture uses a Harvard RISC design with only 35 single-word instructions, making it accessible to beginners and efficient in code density. PIC16F84A parts are widely used in education, hobby, and industrial legacy designs where a simple, deterministic core with on-chip Flash and EEPROM is required. Key features include 13 general-purpose digital I/O pins, an 8-bit timer/counter (TMR0), a watchdog timer (WDT) with its own on-chip RC oscillator, power-on reset (POR), brown-out reset (BOR), and a 10-bit PWM/capture/compare module. The device supports supply voltages of 4.0 V to 5.5 V and includes nanoWatt power management for reduced quiescent current in sleep mode. Code protection, ICD in-circuit debugging, and serial in-system programming (ICSP) round out the feature set. Technically, the PIC16F84A uses a 14-bit instruction word with an eight-level deep hardware stack. The instruction cycle is 1/4 of the oscillator frequency, giving a 200 ns cycle at 20 MHz. The internal architecture separates program and data buses (Harvard), allowing simultaneous instruction fetch and data access, which boosts throughput compared with Von Neumann designs. The 64-byte EEPROM supports 10 million typical erase/write cycles and 40+ year data retention per Microchip documentation. Typical applications include legacy industrial control, appliance control, automotive body modules (non-safety), sensor signal conditioning, small motor and relay drivers, smart-card peripherals, and educational/hobby projects such as the PicAxe platform. The 13 I/O pins and 1.75 KB Flash suit applications with modest code size and limited peripheral needs. When designing with this MCU, choose an oscillator source appropriate for the application (crystal, resonator, or RC) and follow Microchip application notes AN734 (timer usage) and AN577 (in-circuit programming) for layout and firmware guidance. The decoupling strategy should include a 100 nF ceramic cap directly on VDD with a bulk 10 uF electrolytic near the regulator. This page synthesizes current distributor pricing, drop-in alternatives from Microchip's PIC16 family, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16F84T-04/SO - 4MHz 1.75KB Flash 8-bit MCU | Microchip
PIC16F84T-04/SO

PIC16F84T-04/SO - 4MHz 1.75KB Flash 8-bit MCU | Microchip

The Microchip Technology PIC16F84T-04/SO is an 8-bit CMOS RISC microcontroller from the PIC16F8X family, delivering 4 MHz performance with 1.75 KB (1K x 14) of Flash program memory in an 18-pin SOIC package supplied on tape and reel. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, digital peripherals, and I/O onto one semiconductor die. The PIC16F8X belongs to the broader PIC16CXX family of low-cost, high-performance, fully-static CMOS 8-bit microcontrollers, which sit within the wider taxonomy of microcontrollers -> embedded microcontrollers -> microprocessors -> semiconductors. The PIC16F84T-04/SO specifically uses Microchip's enhanced Harvard RISC architecture with only 35 single-word instructions, making it approachable for both educational and production designs. Key features include 4 MHz maximum operating frequency (200 ns instruction cycle for the -04 variant), 68 bytes of RAM, 64 bytes of EEPROM data memory, 13 digital I/O pins, and a 10-bit timer/counter. The device supports in-circuit serial programming (ICSP), code protection, and operates from 2.0 V to 5.5 V (industrial) or 4.0 V to 5.5 V (extended), enabling battery and 5 V bus designs. The CMOS process delivers low power consumption suitable for nanoWatt applications. The PIC16F84T-04/SO employs a RISC Harvard architecture, separating program and data buses to fetch instruction and operand simultaneously. With only 35 instructions and single-cycle execution for most opcodes, deterministic interrupt response is achievable. Internal features such as power-on reset, brown-out detect, watchdog timer, and code protection simplify firmware development and improve field reliability. Typical applications include hobbyist projects, low-end industrial controllers, automotive aftermarket devices, simple sensor interfaces, and legacy embedded designs where pin compatibility with the PIC16F84 is required. The wide operating voltage and CMOS power economy also suit battery-powered devices. When designing with this MCU, pay attention to the ICSP pinout (RB6/RB7) to reserve programming access and add decoupling per Microchip's guidelines. Use the -04 suffix as the indicator of the 4 MHz part; faster 10 MHz (-10) and 20 MHz (-20) parts exist in the same package for speed upgrades.

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PIC16F84T-04I/SO - 4MHz 8-bit Flash MCU 1.75KB | Microchip
PIC16F84T-04I/SO

PIC16F84T-04I/SO - 4MHz 8-bit Flash MCU 1.75KB | Microchip

The Microchip Technology PIC16F84T-04I/SO is an 8-bit RISC PIC® family microcontroller with 4 MHz maximum clock speed, 1.75 KB (1K x 14) of flash program memory, 68 bytes of RAM, and 64 bytes of EEPROM data memory, housed in an 18-pin SOIC (SO) package supplied on tape and reel. It integrates 13 digital I/O lines, a 5-channel 8-bit ADC-free architecture, one 8-bit timer and one 16-bit timer, and operates from a 4.0 V to 5.5 V industrial-grade supply. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, peripherals, and I/O on one die. The PIC16F8X series is a classic 8-bit Harvard-RISC architecture belonging to the PIC16CXX mid-range family, characterized by 14-bit wide instruction words, an 8-level deep hardware stack, and only 35 single-word instructions. This legacy architecture sits within the broader taxonomy: PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "T" suffix denotes tape-and-reel packaging and "I" denotes the industrial -40C to +85C operating temperature range; "04" specifies the 4 MHz oscillator grade. Key differentiating features include the 1.75 KB self-programmable flash program memory that allows in-circuit serial programming (ICSP), 64 bytes of EEPROM for non-volatile data storage, and the nanoWatt technology power-managed sleep modes that drop quiescent current to microampere levels. The Harvard bus separates program and data paths to allow simultaneous fetch and execute, and 14-bit-wide instructions enable compact code density for embedded control tasks. Typical applications are legacy industrial controllers, automotive body electronics, hobby robotics, sensor interface boards, and educational development platforms where a stable, well-documented 8-bit MCU with simple in-system programming is preferred over newer Cortex-M devices. When designing with this part, confirm that the 4 MHz oscillator grade is adequate for instruction throughput (200 ns per instruction at 4 MHz clock, 10 MHz at 10 MHz grade). For new designs consider PIC16F84A-04I/SO which adds a revised silicon die with identical pinout. This page synthesizes verified distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated on any single distributor product page.

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PIC16F84T-10/SO - 8-Bit 10MHz 1.75KB Flash MCU | Microchip
PIC16F84T-10/SO

PIC16F84T-10/SO - 8-Bit 10MHz 1.75KB Flash MCU | Microchip

The Microchip Technology PIC16F84T-10/SO is an 8-bit CMOS FLASH/EEPROM microcontroller from the PIC16F8X family, operating at up to 10 MHz clock speed with 1.75KB (1K x 14) of program memory, 68 bytes of SRAM, and 64 bytes of EEPROM data memory, housed in an 18-pin SOIC (7.50 mm width) package. The 'T' suffix indicates tape-and-reel packaging for high-volume assembly. A PIC microcontroller (Programmable Intelligent Computer) is a low-cost, high-performance RISC-based 8-bit microcontroller that integrates a CPU, memory, and peripherals on a single chip. PIC16F8X devices are part of Microchip's mid-range PIC16 family, sitting between the baseline PIC10/12/16 family and the high-performance PIC18 family in the broader hierarchy: microcontroller -> embedded MCU -> semiconductor IC. Key features include 13 I/O pins supporting individual direction control, 8-level deep hardware stack, 35 single-word instructions (most single-cycle except program branches at two cycles), 400 ns instruction cycle at 10 MHz, two 8-bit timers/counters (Timer0, Timer2) plus a 16-bit timer/counter with prescaler (Timer1), and a 10-bit multi-channel ADC. Power-saving nanoWatt technology and a wide 4.0V to 5.5V supply range support both battery and line-powered designs. The architecture is fully static CMOS with an enhanced RISC core, Harvard bus organization, and on-chip FLASH/EEPROM permitting in-circuit serial programming (ICSP). The 10 MHz clock input delivers a 400 ns instruction cycle, providing deterministic throughput for real-time control loops. Typical applications include HVAC damper and valve actuator control, general-purpose remote sensors, smart energy and metering endpoints, automotive aftermarket electronics, and appliance user-interface boards. The 18-pin SOIC package is widely supported by hobbyist programmers and pick-and-place equipment. When designing with this device, reserve one I/O pin for ICSP (typically RB6/RB7 for clock/data), include a 100 nF decoupling capacitor adjacent to VDD, and select a crystal oscillator that meets the 10 MHz maximum with margin for temperature. For new designs, consider the pin-compatible PIC16F84A-04/SO which adds enhanced FLASH and lower-voltage operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F87-E/ML - 8-bit MCU, 20MHz, 7KB Flash 28-QFN | Microchip
PIC16F87-E/ML

PIC16F87-E/ML - 8-bit MCU, 20MHz, 7KB Flash 28-QFN | Microchip

The Microchip PIC16F87-E/ML is an 8-bit RISC Flash microcontroller from the PIC® 16F family, delivering 20 MHz core performance with 7KB (4K x 14) of program Flash, 368 bytes of SRAM, and 256 bytes of EEPROM data memory in a compact 28-pin QFN (6x6) package. The device executes instructions in a 200 ns cycle, supports only 35 single-word instructions, and is upward-compatible with PIC16C7x, PIC16C62xA, PIC16C5X and PIC12CXXX code, simplifying migration paths for legacy designs. The 'E' suffix denotes the extended automotive temperature grade (-40 °C to +125 °C) and the 'ML' suffix specifies the industrial-grade 28-lead QFN package. A microcontroller (MCU) is a single-chip computer containing a CPU, program and data memory, and programmable I/O peripherals. PIC16F87 sits in the mid-range 8-bit PIC16 family — a one-tier-up taxonomy step from baseline PIC10/PIC12/PIC16 devices to PIC18 and PIC32 32-bit devices, all broadly classified as microcontrollers → embedded processors → semiconductors. The 16F family is the original RISC-based Flash MCU family from Microchip and remains one of the largest 8-bit install bases in automotive, appliance and industrial control designs. Key features include a programmable 8 MHz internal oscillator that allows operation without an external crystal, an integrated Addressable USART for asynchronous serial communication, two analog comparators, one Capture/Compare/PWM (CCP) module, nanoWatt power-managed sleep modes, and on-chip In-Circuit Serial Programming (ICSP) plus In-Circuit Debug (ICD). The 16 I/O pins are 5 V-tolerant and the analog comparator pair supports basic signal conditioning for sensor interface applications. Internally, PIC16F87-E/ML uses a Harvard-architecture CPU with separate program and data buses, a 14-bit-wide instruction word (typical of mid-range PIC16 devices), and a hardware stack. Five I/O ports (Port A–E with PORTE limited by 28-pin pin-out) route digital and analog signals. The CCP and USART peripherals share timers and I/O, so system architects must plan allocation at firmware design time. Typical applications include automotive body modules, white goods and appliance control boards, industrial sensor interfaces, general-purpose sensor hubs, and battery-powered consumer devices that require low standby current from the nanoWatt sleep modes. The 'E' temperature grade and QFN package make it a strong fit for compact automotive electronic control units (ECUs) where PCB area is constrained and ambient temperatures under-hood or in-cabin are demanding. When using PIC16F87-E/ML, place decoupling capacitors (100 nF plus 1–10 µF bulk) directly at VDD/VSS pins and keep the MCLR reset trace short to avoid spurious resets. Designers should also reserve the ICSP/ICD pins (RB6/RB7) for in-circuit programming and not commit them to other peripherals. This page synthesizes distributor pricing, drop-in alternatives, AEC-Q100 compliance notes and practical design guidance that go well beyond the manufacturer datasheet. Information current as of 2026-09-22.

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PIC16F87-E/P - 8-bit 20MHz 7KB Flash MCU 18-PDIP | Microchip
PIC16F87-E/P

PIC16F87-E/P - 8-bit 20MHz 7KB Flash MCU 18-PDIP | Microchip

The Microchip Technology PIC16F87-E/P is an 8-bit CMOS Flash-based microcontroller from the PIC16F family, operating at up to 20MHz clock speed with 200ns instruction execution, housed in an 18-pin PDIP (Plastic DIP) package. The -E suffix indicates the Extended (Industrial/Automotive) temperature range of -40C to +125C, and the /P suffix denotes the PDIP through-hole package. An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU core, program memory (Flash/ROM), data memory (RAM), EEPROM, and programmable I/O peripherals on a single die. PIC16F series devices are mid-range Microchip microcontrollers built on a Harvard RISC architecture with 35 single-word instructions, sitting in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC16F87-E/P is intended for embedded control in automotive, industrial, appliance, and consumer segments where nanoWatt Technology low-power operation is required. Key features of this part include 7KB (4K x 14-word) of Flash program memory, 368 bytes of RAM, 256 bytes of EEPROM data memory, 16 digital I/O pins, an internal 8MHz oscillator, an enhanced USART (Addressable), a Capture/Compare/PWM (CCP) module, two analog comparators, and a 10-bit (typical for the family) ADC capability. Supply voltage is 4.0V to 5.5V and the device supports nanoWatt power management with multiple sleep modes. The 18-PDIP package simplifies prototyping and field-replacement on through-hole boards. The PIC16F87-E/P uses a 14-bit instruction word with a two-stage pipeline, achieving deterministic 200ns per instruction cycle at 20MHz. It is code- and pin-compatible with the PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12Cxxx families, which makes the part an easy upgrade target for legacy designs. Code protection is implemented per Microchip device security features and program memory is self-programmable under firmware control. Typical applications include automotive body and convenience modules, white-goods and appliance control boards, industrial sensor conditioning, simple sensor/actuator nodes, and low-cost consumer products. Industrial users adopt the -E/PDIP combination specifically because through-hole pin headers allow quick rework and the extended temperature rating covers outdoor and under-hood environments. When designing in the PIC16F87-E/P, plan a robust decoupling network (0.1uF plus bulk) close to the VDD pin, use the internal oscillator to reduce external BOM, and reserve the MCLR line for an in-circuit debug header if field firmware updates are expected. This part is part of a long-running, well-supported Microchip product family with mature toolchains (MPLAB X, XC8 compiler, PICkit debuggers). This page synthesizes distributor pricing, drop-in same-package alternatives, design considerations, and pin-level guidance not consolidated on a single manufacturer datasheet page.

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PIC16F87-E/SO - 8-bit 20MHz 7KB Flash MCU | Microchip SOIC-18
PIC16F87-E/SO

PIC16F87-E/SO - 8-bit 20MHz 7KB Flash MCU | Microchip SOIC-18

The Microchip PIC16F87-E/SO is a CMOS Flash-based 8-bit PIC16 mid-range microcontroller featuring a 20 MHz maximum clock speed, 7 KB (4K x 14 words) of program Flash memory, and an 18-pin SOIC package, optimized for analog-intensive and low-power embedded designs. A PIC microcontroller (Programmable Interface Controller) is an 8-bit Harvard-architecture MCU built around a RISC instruction set. The PIC16F87 sits inside the PIC16 mid-range family (PIC16 -> PIC mid-range -> 8-bit MCU -> microcontroller -> semiconductor). The 'F' in the part number indicates Flash program memory, 'E' denotes the extended industrial temperature grade (-40C to +125C), and '/SO' specifies the 18-lead Small Outline Integrated Circuit (SOIC) package. This category of MCU is widely used where deterministic real-time control, low power consumption (nanoWatt technology), and compact code footprint are required. Key features of the PIC16F87 include 8 MHz internal oscillator, 256 bytes of EEPROM data memory, 368 bytes of SRAM, a USART with addressable mode, a Capture/Compare/PWM (CCP) peripheral, two analog comparators, and a 10-bit ADC with up to 8 channels depending on package variant. The 18-pin SOIC device provides 16 digital I/O lines and operates across a 4 V to 5.5 V supply range, drawing microamp-level standby currents in Sleep mode thanks to nanoWatt power-management technology. The architecture uses a 14-bit wide instruction word with a 35-instruction RISC set, yielding 200 ns instruction execution at 20 MHz. Separate code and data buses (Harvard architecture) allow simultaneous instruction fetch and data access, improving throughput over von Neumann designs at the same clock rate. On-chip in-circuit serial programming (ICSP) allows firmware updates after PCB assembly, and the device supports interrupt-driven peripherals and multiple oscillator modes (INTOSC, HS, XT, LP, RC). Typical applications include advantage analog and integrated level sensing in automotive sensor nodes, white-goods and appliance control boards, industrial measurement and monitoring, low-power remote sensor nodes, and consumer-electronic user-interface controllers. The combination of on-chip comparators, PWM and ADC in a small SOIC-18 footprint is well suited to closed-loop analog feedback designs. When designing with the PIC16F87-E/SO, note that the 18-pin variant has fewer I/O than the 28-pin PIC16F87 family members; verify pin allocation for ADC, comparator and PWM channels against your firmware plan. Always tie the MCLR pin through a proper reset network and place a 0.1uF decoupling capacitor as close as possible to VDD. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet, optimized for engineers selecting or second-sourcing the PIC16F87-E/SO.

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PIC16F87-E/SS - 20 MHz 8-Bit Flash Microcontroller | Microchip
PIC16F87-E/SS

PIC16F87-E/SS - 20 MHz 8-Bit Flash Microcontroller | Microchip

The Microchip Technology PIC16F87-E/SS is an 8-bit CMOS Flash microcontroller with a 20 MHz maximum clock speed, 7 KB of program Flash memory, 368 bytes of RAM, and 256 bytes of EEPROM data memory. Housed in a 20-pin SSOP package, the device provides 16 I/O pins and operates from a 4 V to 5.5 V supply. It combines a 200 ns instruction execution capability with a 35-instruction set. An 8-bit microcontroller is a compact embedded-control device built around a central processing unit, program memory, data memory, and programmable I/O. Within the product hierarchy, the PIC16F87-E/SS belongs to the PIC16 mid-range MCU family, combining RISC-style single-word instructions with on-chip Flash program memory, EEPROM data storage, and mixed analog and digital peripherals. Key features include an 8 MHz internal oscillator, an addressable USART, a capture/compare/PWM module, and two comparators. Flash memory permits in-circuit reprogramming, while the 256-byte EEPROM supports nonvolatile parameter retention. The enhanced E designation identifies the extended-temperature variant, while the SS package code denotes the compact SSOP package offered in the ordering information. The device is designed around Microchip PIC architecture, with 4K x 14 program organization, 368 bytes of data RAM, and 256 bytes of EEPROM. Its 16 I/O pins can be configured for digital control or analog functions supported by the two on-chip comparators. The addressable USART and PWM-capable capture/compare module reduce the need for additional peripherals in communication, timing, and motor-control designs. Typical applications include appliance controllers, industrial interface modules, automotive accessory controllers, consumer products, and embedded measurement systems. The 20 MHz performance supports time-critical control loops, while the internal oscillator reduces external clock-component count. The combination of EEPROM, Flash, USART, PWM, and comparators makes the PIC16F87-E/SS suitable for designs requiring both configuration retention and mixed analog/digital conditioning. When designing around this device, verify the 4 V to 5.5 V supply requirement and provide suitable bypass capacitance at the supply pins. Because the verified data identifies an 18/20/28-pin enhanced Flash family rather than a complete package-specific pin table, confirm the exact SSOP-20 pin assignment and exposed analog functions against the manufacturer datasheet before PCB routing. This page consolidates verified manufacturer and distributor information, distinguishes confirmed specifications from unavailable data, and identifies same-family drop-in options while explaining why broader cross-brand replacements cannot be responsibly claimed without pin-level verification.

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PIC16F87-I/ML - 8-Bit 20MHz 7KB Flash MCU | Microchip
PIC16F87-I/ML

PIC16F87-I/ML - 8-Bit 20MHz 7KB Flash MCU | Microchip

The Microchip PIC16F87-I/ML is an 8-bit PIC16 family CMOS Flash microcontroller with nanoWatt Technology, delivering 20 MHz maximum clock speed (200 ns instruction execution) and 7 KB (4K x 14) of Flash program memory, packaged in a 28-pin QFN (6x6 mm) with exposed pad. The device features 368 bytes of RAM, 256 bytes of EEPROM data memory, 16 digital I/O lines, an internal 8 MHz oscillator, an Addressable USART, a capture/compare/PWM module, two analog comparators, and a 10-bit ADC with up to 5 channels. A PIC16F microcontroller is part of Microchip's mid-range 8-bit RISC architecture family. PIC microcontrollers are Harvard-architecture devices that execute single-word instructions in as little as 200 ns, with a small instruction set (35 instructions for PIC16F87) and deterministic timing. Within the broader taxonomy, PIC16F87 sits as: 8-bit microcontroller -> PIC16 family -> PIC16F87 sub-family -> nanoWatt enhanced Flash MCU -> CMOS Flash-based MCU. nanoWatt Technology is Microchip's branding for low-power operating modes such as Sleep and the ability to run the CPU and peripherals from the internal RC oscillator, drastically reducing quiescent current versus earlier PIC16 parts. Key features include a wide 2.0 V to 5.5 V supply range, brown-out reset (BOR), power-on reset (POR), watchdog timer with on-chip RC oscillator, ICD (In-Circuit Debug) support, and Flash program memory endurance of 100,000 erase/write cycles. The device supports in-circuit serial programming (ICSP) via two pins, allowing firmware updates without removing the MCU from the board. The internal 8 MHz RC oscillator with software-selectable frequency scaling gives designers flexibility when external crystals are undesirable. The PIC16F87 architecture uses a 14-bit instruction word with separate code and data buses, optimizing instruction fetch while still permitting byte-level data access. The peripheral set is well suited to mixed-signal embedded designs: the Addressable USART supports RS-232/RS-485 links, the CCP module generates PWM or captures timing events, and the 10-bit ADC enables direct sensor interface. nanoWatt modes such as Sleep and Timer1 oscillator run on as little as a few microamperes. Typical applications include industrial sensor nodes, automotive interior subsystems, white-goods control boards, low-end consumer appliances, and battery-powered measurement instruments where the 256-byte EEPROM provides convenient non-volatile parameter storage. The 28-QFN exposed-pad package enables compact PCB layouts. A leading design consideration is that the 28-pin QFN shares its footprint with other PIC16F8x family members, simplifying upgrade paths. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F87-I/P - 8-bit 20MHz 7KB Flash MCU 18-PDIP | Microchip
PIC16F87-I/P

PIC16F87-I/P - 8-bit 20MHz 7KB Flash MCU 18-PDIP | Microchip

The Microchip Technology PIC16F87-I/P is an 8-bit CMOS Flash-based mid-range PIC microcontroller in a 18-pin PDIP (Plastic Dual In-line Package) delivering up to 20 MHz instruction execution (200 ns instruction cycle) for embedded control applications. It integrates 7 KB of Flash program memory (4K × 14 words), 368 bytes of RAM, 256 bytes of EEPROM data memory, a 10-bit Analog-to-Digital Converter (ADC), 16 digital I/O lines, an Addressable USART, an MSSP module supporting both I²C and SPI, a Capture/Compare/PWM (CCP) module, two analog comparators, and a nanoWatt power-managed low-power architecture. What is a PIC16 mid-range microcontroller? The PIC16F family belongs to Microchip's mid-range 8-bit RISC microcontroller family, sitting between the baseline PIC10/12/16/17 devices and the enhanced PIC18 family. It executes 35 single-word instructions with a Harvard RISC architecture, providing deterministic 200 ns per instruction at 20 MHz, and is widely used in cost-sensitive embedded designs that need reliable Flash programmability, robust peripheral integration, and a broad third-party tool ecosystem. Within the broader taxonomy, PIC16 belongs to microcontroller -> 8-bit MCU -> embedded controller -> semiconductor. Key features include 8 MHz internal RC oscillator (no external crystal required for cost-sensitive designs), wide 2.0–5.5 V supply range (true nanoWatt technology for battery applications), 10-bit ADC with up to 8 channels, in-circuit serial programming (ICSP) capability, and ICD debugging support. Brown-out Reset (BOR), Power-on Reset (POR), and Watchdog Timer (WDT) with on-chip RC oscillator enhance system reliability in industrial environments. The 18-PDIP package (-I/P suffix = industrial temperature grade, 300 mil PDIP) provides through-hole mounting for prototyping, education, and legacy designs. Technical depth: the PIC16F87 uses Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The 14-bit instruction word enables direct byte and bit manipulation in a single cycle. The integrated nanoWatt features include multiple idle modes, sleep current as low as typical values, and a programmable weak pull-up on Port B for keypad and switch matrix applications. Typical applications include automotive body and interior modules, industrial sensor interfaces, white goods and home appliances, HVAC control boards, motor control loops using CCP PWM, and consumer remote controls. The Addressable USART simplifies RS-232/RS-485 point-to-point and multi-drop communication for supervisory control networks. Design consideration: when migrating from PIC16F87 to PIC16F88, designers gain an additional 2 KB of Flash and 2 comparators with selectable references, but pinout remains compatible. Always reserve the MCLR pin for ICSP programming and avoid sharing it with active circuitry. This page synthesizes distributor pricing, drop-in package-compatible alternatives, AEO-optimized FAQ, and practical design notes not found in the manufacturer datasheet, helping engineers select the right PIC16 mid-range MCU for production.

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PIC16F87-I/SO - 8-bit 20MHz 7KB Flash MCU | Microchip
PIC16F87-I/SO

PIC16F87-I/SO - 8-bit 20MHz 7KB Flash MCU | Microchip

The Microchip Technology PIC16F87-I/SO is an 8-bit CMOS Flash-based microcontroller from the PIC® 16F family, delivering 20 MHz instruction execution (200 ns instruction cycle) with 7 KB (4K x 14) of Flash program memory and 368 bytes of RAM in an 18-pin SOIC package. It is part of the 18/20/28-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology family, integrating an 8 MHz internal oscillator, 256 bytes of EEPROM data memory, a capture/compare/PWM module, an addressable USART, and two analog comparators. A PIC microcontroller (Programmable Intelligent Computer) is a RISC-based 8-bit microcontroller widely used in embedded systems, where the PIC16 mid-range family sits in Microchip's product hierarchy: microcontroller -> MCU -> 8-bit MCU -> PIC16 -> PIC16F8x -> PIC16F87. The '16F' prefix denotes Flash program memory, and the nanoWatt technology label indicates ultra-low-power sleep modes that extend battery life in portable designs. The PIC16F87 architecture is upwards-compatible with the legacy PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12Cxxx devices. Key features include 35 single-word instructions, 8 MHz internal oscillator (selectable), 256 bytes EEPROM data memory, 2 timers (1 x 8-bit, 1 x 16-bit), an addressable USART for serial communication, and 16 I/O pins. The PIC16F87 operates from 4 V to 5.5 V and supports the industrial -40 °C to +85 °C temperature range typical of the 'I' grade designation. Typical applications include advantage analog and integrated-level sensing in automotive, industrial, appliance, and consumer products. The device's on-chip comparators and PWM module support motor control, power-supply feedback, and sensor conditioning without external circuitry. When designing with the PIC16F87-I/SO, reserve the analog comparator pins and USART pins early in the pinout allocation. The 18-pin SOIC footprint is well-suited for hand-prototyping and low-volume production, while the 'I' industrial temperature grade ensures operation across harsh environments. This page synthesizes distributor pricing, same-brand drop-in alternatives (PIC16F87-I/P, PIC16F87-I/ML, PIC16F87-E/SO, PIC16F87-E/ML, PIC16F87T-I/SO), and practical design notes not collected in any single manufacturer datasheet.

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PIC16F87-I/SS - 8-Bit 20MHz 7KB Flash MCU | Microchip
PIC16F87-I/SS

PIC16F87-I/SS - 8-Bit 20MHz 7KB Flash MCU | Microchip

The Microchip PIC16F87-I/SS is an 8-bit CMOS Flash-based mid-range microcontroller from the PIC16 family, delivering 7 KB of program memory (4K x 14 words) and 368 bytes of RAM in a 20-pin SSOP package. It executes instructions in a 200 ns cycle at 20 MHz, supports 35 single-word instructions, and integrates nanoWatt Technology power management. The device operates from 4.0V to 5.5V with 16 digital I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and programmable peripherals on one die. The PIC16F87 belongs to the PIC16 mid-range architecture, which sits between PIC10/12 baseline and PIC18 enhanced families. Mid-range MCUs balance code density, peripheral integration, and low power consumption, making them ideal for embedded control tasks in appliance, automotive, and industrial applications where 8-bit processing is sufficient and cost is critical. Key features include 256 bytes of EEPROM data memory, an 8 MHz internal oscillator, a Capture/Compare/PWM (CCP) module, an Addressable USART, two analog comparators, and a 10-bit ADC reference (referenced from the same datasheet family). nanoWatt Technology provides multiple power-saving modes including Sleep, Idle, and peripheral disable control. The PIC16F87 is code-compatible with the PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12Cxxx families, simplifying migration for legacy designs. Typical applications span automotive body controllers, industrial sensor interfaces, white-goods and appliance controls, consumer electronics with USART communication, and battery-backed low-power devices leveraging nanoWatt modes. The wide 4.0-5.5V supply range also supports regulated 5V industrial rails. When designing with the PIC16F87-I/SS, ensure your ICD/ICSP programming interface (PGC/PGD) is accessible on the board and that VDD decoupling (100 nF + 10 uF) is placed within 5 mm of the supply pins. The -I industrial temperature grade supports -40C to +85C operation; use the -E grade (-40C to +125C) for harsh-environment deployments. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Cross-reference data is sourced from Microchip's official competitor cross-reference tool and verified distributor listings.

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PIC16F870-E/SP - 8-bit MCU, 3.5KB Flash, 20MHz, 28-SPDIP | Microchip
PIC16F870-E/SP

PIC16F870-E/SP - 8-bit MCU, 3.5KB Flash, 20MHz, 28-SPDIP | Microchip

The Microchip PIC16F870-E/SP is an 8-bit Flash CMOS microcontroller from the mid-range PIC16 family, featuring 3.5KB of program memory, 128 bytes of RAM, and 64 bytes of EEPROM data memory, housed in a 28-pin SPDIP (Skinny Plastic Dual In-line Package) through-hole package. The device executes instructions in a 200 ns instruction cycle and supports 35 single-word instructions, producing a 20 MHz maximum operating frequency from a 4.0 V to 5.5 V supply. It is upward code-compatible with the PIC16C5X, PIC12CXXX, and PIC16C7X families, enabling firmware migration across the PIC portfolio without rewriting application code. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash program storage, RAM for data, EEPROM for non-volatile storage), and a configurable set of analog and digital peripherals. The PIC16F870 sits within the taxonomy of embedded MCU -> 8-bit RISC MCU -> mid-range PIC16 family -> 28-pin mid-range variant. Its nanoWatt Technology power management gives engineers a low-power path for battery or energy-harvesting designs, while its 5-channel 10-bit Analog-to-Digital converter enables direct sensor interfacing without an external ADC. Key features include five 10-bit ADC channels, two additional 8/16-bit timers with capture/compare/PWM (CCP) functionality, an integrated Universal Asynchronous Receiver Transmitter (USART), in-circuit debugger (ICD) support, and self-programming capability. The Harvard RISC architecture with separate program and data buses eliminates Von Neumann bottleneck, and 22 digital I/O pins (shared with analog and peripheral functions) provide ample GPIO for typical embedded designs. Typical applications span industrial control panels, sensor monitoring nodes, low-speed serial interfaces, and small appliance controllers where an 8-bit processor, modest memory, and integrated peripherals are sufficient. The 28-pin SPDIP package is socket-friendly, making it well-suited for prototypes, educational platforms, and low-volume production. When designing with this device, budget for the ADC acquisition time in higher-impedance sensor networks and use Microchip's ICD interface for in-system debugging via the RB3/RB6/RB7 pins. Avoid using RB4-RB7 for high-impedance inputs because the ICD interface owns these signals during in-circuit programming.

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PIC16F870-E/SS - 8-Bit MCU, 3.5KB Flash, 20MHz | Microchip
PIC16F870-E/SS

PIC16F870-E/SS - 8-Bit MCU, 3.5KB Flash, 20MHz | Microchip

The Microchip PIC16F870-E/SS is an 8-bit CMOS FLASH-based microcontroller built on Microchip's PIC16 mid-range RISC architecture, delivering 20 MHz (200 ns instruction cycle) performance with 3.5KB (2K x 14) of program Flash, 128 bytes of RAM, and 64 bytes of EEPROM in a 28-pin SSOP package. An 8-bit microcontroller (MCU) is a small programmable processor that integrates a CPU, memory, and peripherals onto a single silicon die; PIC microcontrollers use a RISC (Reduced Instruction Set Computer) architecture with only 35 single-word instructions, making them well-suited for embedded control tasks across automotive, industrial, and consumer markets. The PIC16F870 series sits in Microchip's mid-range MCU family, hierarchically placed as 8-bit PIC -> mid-range PIC16 -> PIC16F87x family -> peripheral-rich general-purpose MCU -> semiconductor IC. Key features include 22 digital I/O pins, 5 channels of 10-bit Analog-to-Digital converter (ADC), two additional timers beyond Timer0, a Universal Synchronous/Asynchronous Receiver-Transmitter (USART) for serial communication, a Capture/Compare/PWM (CCP) module, and an In-Circuit Debugger (ICD) interface. Self-programming capability allows in-field firmware updates, and the FLASH program memory supports endurance of 100K erase/write cycles per the manufacturer datasheet. The 'E' suffix designates the Extended industrial temperature grade (-40C to +125C), and the '/SS' suffix indicates the 28-pin SSOP surface-mount package. The device uses Harvard bus architecture with separate program and data buses, plus a 14-bit instruction word that allows most instructions to execute in a single 200 ns cycle, providing predictable deterministic timing for control loops. With 5 ADC channels and PWM, the PIC16F870 can perform closed-loop motor control, sensor reading, and analog signal conditioning from a single chip. Typical applications include industrial sensor interfaces, automotive body and chassis subsystems, appliance control boards, and low-power data-acquisition nodes. The combination of on-chip EEPROM, USART, and PWM makes it a strong fit for digital thermostat, fan controller, and small-scale motor drive designs. When designing with the PIC16F870-E/SS, note that the 28-pin SSOP package has the same footprint as the PIC16F871-I/SS and PIC16F872-I/SS family, allowing source-code compatibility (with memory-size caveats) and PCB reuse. Designers migrating to larger code or peripheral sets should consider the PIC16F873 or PIC16F876 family. This page synthesizes distributor pricing, drop-in compatible Microchip PIC alternatives, and practical design notes not found on standard manufacturer product listings.

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PIC16F870-I/SO - 8-Bit 20MHz 3.5KB Flash MCU | Microchip
PIC16F870-I/SO

PIC16F870-I/SO - 8-Bit 20MHz 3.5KB Flash MCU | Microchip

The Microchip Technology PIC16F870-I/SO is an 8-bit CMOS FLASH-based microcontroller from the PIC16 family, operating at up to 20 MHz with 3.5KB (2K x 14) of program memory and housed in a 28-pin SOIC package. Built on Microchip's powerful PIC RISC architecture, it delivers 200 ns instruction execution and executes only 35 single-word instructions, making it both powerful and easy to program. A microcontroller (MCU) is a single-chip computer containing a CPU, RAM, non-volatile program memory (Flash/ROM), EEPROM data memory, and a set of configurable peripherals such as timers, ADCs, and communication interfaces. Microcontrollers sit at the bottom of the embedded computing hierarchy: MCU -> embedded controller -> electronic system. PIC16F870-class parts are 'mid-range' 8-bit MCUs optimized for cost-sensitive applications that need more compute than a basic PIC12/PIC16C5X but do not require a 16-bit or 32-bit core. Key features include 64 bytes of EEPROM data memory, 128 bytes of RAM, 22 I/O pins, 5 channels of 10-bit A/D converter, two additional timers (Timer0/1/2), Capture/Compare/PWM (CCP) peripherals, a Universal Asynchronous Receiver Transmitter (USART) with support for RS-232/RS-485, an ICD (In-Circuit Debugger) interface, and self-programming support. The wide 4V-5.5V supply range and -40C to +85C industrial temperature span make it suitable for consumer, industrial, and automotive subsystems. The PIC16F870's Harvard architecture separates program and data buses, allowing simultaneous fetch and access. The 14-bit instruction word and 8-bit data path keep the core compact while the integrated 10-bit ADC sampling at programmable rates provides analog signal conditioning for sensor interfaces. The Flash memory enables in-application reprogramming, eliminating UV-erase steps. Typical applications include home appliance control, battery chargers, small motor control (DC brushed, unidirectional BLDC), automotive interior accessories, smart sensors with UART output, low-cost data loggers, and white goods user interfaces where the 28-pin SOIC is friendly to hand-soldering and PCB prototypes. When designing with this MCU, verify oscillator configuration (HS/LP/RC/XT modes), allocate adequate decoupling (100 nF + 10 uF bulk near VDD/AVDD), and budget Flash endurance (~100K erase/write cycles) and EEPROM endurance (~1M cycles) against firmware update frequency. Industrial designers should also confirm Pin and Code Compatibility Chart DS00148J2 when migrating across PIC16F87x family members. This page synthesizes distributor pricing (DigiKey/Mouser), same-package drop-in alternatives, AEC-Q100 automotive notes, and practical design considerations beyond any single datasheet lookup.

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