Интегральные схемы

PIC16F527-E/SS

PIC16F527-E/SS - 8-bit MCU, 1.5KB Flash, ADC+OpAmps | Microchip

The Microchip Technology PIC16F527-E/SS is an 8-bit PIC RISC flash microcontroller with integrated analog peripherals, packaged in a 20-pin SSOP and operating from a 2.5V/3.3V/5V supply. It combines a 1.5KB Flash program memory, an 8-bit ADC, dual operational amplifiers, and two analog comparators on a single die, making it a low-cost MCU suitable for a wide range of mixed-signal applications. A PIC microcontroller is a Harvard-architecture 8-bit RISC processor from Microchip's PIC16 baseline/mid-range family, designed for deterministic instruction execution and ultra-low power embedded control. Within the broader taxonomy, PIC MCUs sit under microcontrollers -> integrated circuits -> semiconductors. The PIC16F527 is specifically positioned as a mixed-signal MCU that fuses analog (ADC, op amps, comparators) with digital control logic, reducing bill-of-materials count and PCB area in sensor-conditioning and signal-generation designs. Key features include an on-board 8-bit ADC, two operational amplifiers configurable for general-purpose analog signal conditioning, two analog comparators for threshold detection, an internal 8MHz oscillator, and Flash program memory supporting in-circuit serial programming (ICSP). The wide 2.0V-5.5V operating range (per PIC16F527 datasheet 40001652D) supports both 3.3V and 5V rails, while the SSOP-20 footprint allows compact board layouts and is compatible with hand-soldering and standard reflow profiles. Technically, the PIC16F527 uses a RISC core with a single accumulator (W register) and a fixed instruction cycle of four oscillator clocks, delivering deterministic throughput at 8MHz internal clock. The integrated op amps and comparators are accessible through dedicated I/O pins, allowing the part to replace discrete analog front-end circuits in many cost-sensitive applications. The on-chip Flash memory provides field-upgradeable firmware, and the device supports in-circuit debugging via ICD. Typical applications include battery chargers, LED lighting controllers, power-supply monitors, sensor signal conditioning, simple motor control, and consumer appliances. The wide operating voltage range and integrated analog make it especially attractive for IoT edge nodes, smoke-detector front-ends, and small appliances where BOM cost matters more than raw MIPS. When designing with the PIC16F527, plan pin assignments so that the ADC, op-amp, and comparator analog inputs are not adjacent to high-frequency digital switching signals to minimize coupling. Ensure decoupling capacitors are placed close to VDD/VSS pins, and verify the maximum analog input range (typically VDD) for each analog channel per the datasheet. This page consolidates distributor pricing, drop-in alternatives, and practical design considerations not found in the manufacturer datasheet alone, helping engineers quickly evaluate the PIC16F527-E/SS for mixed-signal embedded designs.

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PIC16F527-I/GZ

PIC16F527-I/GZ - 8-Bit MCU 1.5KB Flash 20-UQFN | Microchip

The Microchip Technology PIC16F527-I/GZ is an 8-bit PIC microcontroller with 1.5 KB Flash program memory, 64 bytes of data RAM, and integrated analog peripherals, housed in a 20-pin UQFN (GZ) exposed-pad package. It runs at up to 20 MHz instruction clock from a 2.0-5.5 V supply and integrates a 8-bit ADC, two op-amps, and two analog comparators on-chip, reducing external component count for mixed-signal designs. An 8-bit PIC microcontroller is a RISC-based single-chip computer built around an 8-bit data path, Harvard memory architecture, and integrated peripherals including timers, ADC, and communication interfaces. PIC microcontrollers belong to the broader family of microcontrollers (MCU), which are programmable semiconductor devices at the foundation of embedded systems design. The PIC16F527 sits in the mid-range PIC16F family and is specifically aimed at cost-sensitive analog-front-end applications where dedicated op-amps and comparators would otherwise be required as separate ICs. Key features of the PIC16F527-I/GZ include the integrated dual op-amps and dual comparators that operate from the same supply domain as the core, allowing direct sensor-signal conditioning before digitization by the on-chip 8-bit ADC. The device exposes 14 general-purpose I/O pins plus dedicated analog and comparator pins. Brown-out reset, power-on reset, watchdog timer, and an internal oscillator are built in, simplifying BOM. According to the Microchip PIC16F527 datasheet (document 40001652D), the part is available in multiple package options, and the /GZ suffix specifically denotes the 20-pin UQFN with exposed thermal pad. Typical applications include low-cost sensor signal conditioning, battery chargers, LED lighting control, smoke detectors, and small appliance control boards. The wide 2.0-5.5 V operating range and integrated analog chain make it well-suited to single-cell Li-ion or 2xAA-powered products where board area, BOM cost, and quiescent current are all constrained. Design engineers typically program the device using Microchip's MPLAB X IDE with the XC8 compiler and program/debug via ICSP. The unique information on this page combines distributor pricing tiers, drop-in package-compatible alternatives, and practical design notes beyond what is found in the manufacturer datasheet alone.

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PIC16F527-I/ML

PIC16F527-I/ML - 8-Bit 20MHz 1.5KB Flash MCU | Microchip

The Microchip Technology PIC16F527-I/ML is an 8-bit PIC microcontroller from the PIC16F5XX baseline family that integrates an on-board ADC, dual operational amplifiers, and two comparators in a compact 20-pin QFN (4x4 mm) ML package. According to the Microchip datasheet, the device executes instructions at up to 20 MHz (4 MIPS), incorporates 1.5 KB (1K x 12) of self-programmable Flash program memory, and targets mixed-signal applications where reducing BOM by integrating analog peripherals is critical. A PIC microcontroller (Peripheral Interface Controller) is a Harvard-architecture, RISC-based 8-bit MCU developed by Microchip that separates program and data memory buses for deterministic instruction timing. Within the Microchip portfolio, the PIC16F5XX baseline family is positioned for cost-sensitive, space-constrained designs, combining the CPU core with Flash memory, RAM, and configurable analog peripherals (ADC, op-amps, comparators) on a single die; this integration pathway is commonly called mixed-signal MCU and contrasts with digital-only MCUs that require external analog front-ends. The PIC16F527 specifically emphasizes analog integration while keeping the 8-bit PIC16 instruction set, eliminating external op-amps and comparators in many sensor-interface designs. Key features include a 20 MHz internal oscillator option (factory calibrated), an 8-bit A/D converter with multiple input channels, two rail-to-rail op-amps suitable for low-side or high-side signal conditioning, two comparators with a programmable voltage reference, and Flash program memory that supports in-circuit serial programming (ICSP) for field updates. The 20-QFN (ML) 4x4 mm package with exposed thermal pad maximizes PCB area efficiency while sustaining industrial temperature operation from -40C to +85C. Architecturally, the PIC16F527 uses a 14-bit instruction word with a single accumulator (W register) and a file-register-based data memory scheme, allowing predictable interrupt response and tight loop control suitable for closed-loop analog regulation. The integrated analog peripherals share internal reference and bias networks, reducing calibration overhead compared to discrete analog designs. Typical applications include battery chargers, LED lighting controllers, sensor signal conditioning (thermistor, photodiode, bridge interfaces), low-cost switch-mode power supply feedback loops, fan speed controllers, and small appliance control. By performing both sensing and closed-loop control in a single chip, the PIC16F527 reduces total system cost and PCB area. When designing with the PIC16F527-I/ML, the QFN-20 package requires thermal vias under the exposed pad and decoupling capacitors placed within 3 mm of the VDD pins to maintain operation across the -40C to +85C industrial range. This page synthesizes current distributor pricing for the PIC16F527-I/ML, drop-in same-package alternatives, and practical design notes compiled from the Microchip datasheet that extend beyond the manufacturer application notes.

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PIC16F527-I/P

PIC16F527-I/P - 8-Bit 20MHz Flash MCU w/ ADC & Dual Op-Amps

The Microchip Technology PIC16F527-I/P is an 8-bit PIC16 family flash microcontroller integrating an 8-channel 8-bit ADC, two operational amplifiers, and two analog comparators in a single 20-pin PDIP (P) through-hole package. It features a 20 MHz internal oscillator, 1.5 KB (1K x 12) of Flash program memory, 68 bytes of RAM, and 64 bytes of EEPROM, executing instructions in a 200 ns cycle time using Microchip's enhanced PIC16 RISC architecture. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data memory, and integrated peripherals. Within the embedded hierarchy, MCUs sit between fixed-function logic ICs and full microprocessors (MPUs): PIC16 MCUs are Microchip's baseline 14-bit instruction word family, optimized for cost-sensitive analog-rich applications, and the PIC16F527 specifically targets sensor conditioning and closed-loop control with on-chip analog front-end building blocks. Key features include 17 general-purpose I/O pins, an 8 MHz internal oscillator with PLL option, nanoWatt power management, an integrated 8-bit ADC with 8 input channels, two rail-to-rail op-amps, two comparators with hysteresis, and an 8 x 8 hardware multiplier. The wide 2.0V to 5.5V operating voltage supports both 3.3V and 5V systems. Typical applications include sensor signal conditioning, battery chargers, LED lighting control, small motor control, power supply monitoring, and low-cost consumer appliance controllers. The integrated op-amps and comparators eliminate the need for external analog ICs in transducer interface designs. When designing with this device, ensure decoupling capacitors (100 nF + 10 uF) are placed within 5 mm of VDD/AVDD pins. The internal oscillator accuracy is typically +/- 2% over voltage and temperature, so time-critical protocols may require an external crystal.

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PIC16F527T-I/JP

PIC16F527T-I/JP - 8-bit 20MHz MCU 1.5KB Flash 20-UQFN | Microchip

The Microchip Technology PIC16F527T-I/JP is an 8-bit PIC16F-series Flash microcontroller running at 20MHz with 1.5KB (1K x 12) of program memory, housed in a 20-pin UQFN (3x3 mm) package with exposed pad. The 'T' suffix indicates tape-and-reel packaging and the 'I' indicates the industrial -40C to +85C temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), data memory (RAM), and a configurable set of peripheral blocks such as timers, ADC, comparators, and communication interfaces. Within the broader taxonomy, the PIC16F527 belongs to the 8-bit microcontroller -> microcontroller IC -> embedded controller -> semiconductor family. Its integrated analog peripherals distinguish it from purely digital MCUs, making it a hybrid MCU-plus-Analog device. The PIC16F527 differentiates itself with integrated analog resources including an 8-bit ADC, two operational amplifiers, and two analog comparators. These on-chip analog blocks enable direct sensor conditioning and signal processing without external op-amps or analog front-end ICs. The 1.5KB Flash supports small in-application firmware upgrades, and the 64 bytes of data RAM provide working storage for sensor sampling loops. The 20MHz internal oscillator eliminates external crystal requirements in cost-sensitive designs. Architecturally the PIC16F527 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word and a 12-bit program counter resolution, which is why memory is specified as 1K x 12 rather than 1K x 8. The Harvard architecture separates program and data buses for deterministic instruction throughput. The wide operating voltage range (typically 2.0V to 5.5V) and low-power sleep modes suit battery-powered sensor nodes. Typical applications include consumer remote controls, IR transceivers, white-goods user-interface boards, low-cost motor control, battery chargers with analog feedback, and electronic toys. The integrated op-amps and comparators are particularly well matched to sensor signal-chain applications. When designing with the PIC16F527, ensure the exposed thermal pad on the UQFN-20 is soldered to a sufficiently large copper pour for both thermal dissipation and mechanical reliability. Decouple VDD with a 100nF ceramic capacitor placed as close to the pin as possible. Use the ICSP header for in-circuit programming rather than relying on socketed programming. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for PIC16F527T-I/JP selection and procurement.

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PIC16F527T-I/ML

PIC16F527T-I/ML - 8-bit 20MHz Flash MCU w/ ADC & Op Amps | Microchip

The Microchip Technology PIC16F527T-I/ML is an 8-bit PIC16-family flash microcontroller integrating an on-board 8-bit ADC, two operational amplifiers, and two comparators, housed in a 20-pin QFN (4x4 mm) package with exposed pad. It runs at up to 20MHz instruction clock, contains 1.5KB (1K x 12) of self-programmable flash program memory, and operates from 2.0V to 5.5V supporting 2.5V/3.3V/5V rails. What is a PIC16 microcontroller? A PIC16 microcontroller is a member of Microchip's mid-range 8-bit RISC MCU family built on a Harvard architecture. It belongs to the broader class of microcontrollers (MCU -> embedded controller -> semiconductor IC) and is widely used in cost-sensitive analog-intensive embedded designs where integrated op amps, comparators, and ADC reduce the external bill of materials. Key features of the PIC16F527T-I/ML include a 20MHz internal/external oscillator block, 1.5KB flash / 80 bytes RAM / 64 bytes EEPROM data, 14 I/O pins, an 8-channel 8-bit ADC, two operational amplifiers, two comparators with programmable reference, and an internal 4MHz RC oscillator. The device is also equipped with an enhanced low-power wake-up (WDT) and a hardware Universal Asynchronous Receiver-Transmitter (UART/SPI/I2C capable depending on peripheral map). The architecture uses a 14-bit instruction word with a single-cycle ALU, enabling deterministic throughput for closed-loop analog control. On-chip peripherals are accessed via a peripheral pin select (PPS) scheme in similar PIC16 parts, while the integrated dual op amps and comparators allow direct conditioning of analog signals such as sensor bridges or thermistor networks before ADC sampling. Typical applications include sensor signal conditioning, battery-powered IoT nodes, white-goods and appliance controls, lighting ballast control, smoke and gas detector front-ends, and small motor control loops. The integrated analog front end is particularly useful in optical modules, PIR motion detectors, and capacitive touch interfaces where PCB area is constrained. When designing with this device, allocate the exposed pad of the QFN package to a continuous ground plane for thermal dissipation and electrical performance; failure to solder the EP will degrade thermal behavior and may violate reliability budgets at high CPU loads. Brown-out and watchdog timer configuration must be set in CONFIG words at programming time. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the bare manufacturer datasheet, giving engineers a faster path from selection to prototype.

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PIC16F527T-I/SS

PIC16F527T-I/SS - 8-bit PIC MCU, 1.5KB Flash, 20MHz | Microchip

The Microchip Technology PIC16F527T-I/SS is an 8-bit PIC RISC microcontroller with 1.5KB Flash program memory, housed in a 20-pin SSOP package. It operates from 2.5V to 5.5V supply rails and integrates an 8-bit ADC, two comparators, two operational amplifiers, and an internal 8MHz oscillator, making it a uniquely integrated analog + digital MCU. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program and data memory, peripheral set, and I/O on one die. Within the broader semiconductor hierarchy, MCUs belong to the embedded processor class; PIC16F527 specifically sits inside Microchip's baseline PIC16 family using a 12-bit instruction word and 200 ns instruction execution, which sits under the 8-bit RISC umbrella and ultimately under embedded computing. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone. Key features include 1.5KB (1K x 12) of self-programmable Flash, 68 bytes of RAM, an 8-bit A/D converter, two on-chip comparators, two operational amplifiers, an internal 8MHz RC oscillator (with 20MHz max instruction clock from external), and a wide 2.0-5.5V operating range. The /SS suffix denotes the SSOP-20 package, while the trailing T indicates tape-and-reel packaging for high-volume assembly. Technically, the PIC16F527 uses a Harvard architecture with separate program and data buses, which lets it fetch instructions while simultaneously reading data. The integrated analog peripherals eliminate external op-amps and comparators, reducing PCB area and BOM cost for sensor-conditioning and closed-loop control designs. Typical applications include sensor signal conditioning, battery-powered low-cost control, capacitive touch sensing, switch-mode power supply housekeeping, and consumer appliance control. The combination of on-chip analog + 8-bit core is uniquely suited to mixed-signal designs that must minimize external components. When designing with the PIC16F527, remember the SSOP-20 footprint requires PCB layout that follows Microchip's recommended land pattern, and the internal oscillator accuracy (typically ±1% after calibration) may be inadequate for asynchronous serial communications without external crystal. This page consolidates pricing tiers, drop-in same-package replacements, side-by-side comparison data, and engineering guidance tailored for design engineers evaluating this MCU for new designs or as a pin-compatible second source.

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PIC16F54-E/P

PIC16F54-E/P - 8-Bit 20MHz 768B Flash MCU | Microchip

The Microchip Technology PIC16F54-E/P is a 8-bit flash-based RISC microcontroller running at up to 20 MHz instruction execution in an 18-pin PDIP through-hole package. It integrates 768 bytes of program Flash (512 x 12 words), 25 bytes of data RAM, and 12 digital I/O pins operating from a 4.5V to 5.5V supply. The -E suffix indicates the extended industrial temperature range of -40C to +125C. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory, data RAM, and peripherals on one die. 8-bit MCUs occupy the low end of the performance spectrum below 16-bit and 32-bit devices, and they dominate cost-sensitive, deterministic, low-power applications such as appliance controls, sensor interfaces, LED drivers, and battery chargers. The PIC16F54 belongs to Microchip's PIC16F5x baseline family, characterized by a 12-bit instruction word, only 33 single-word instructions, a two-level hardware stack, and Harvard architecture with separate program and data buses. Key features include 200 ns instruction cycle at 20 MHz, 8-bit timer/counter with a programmable prescaler, watchdog timer with on-chip RC oscillator, power-on reset, power-up timer, and brown-out reset. The 18-pin PDIP package offers a 31.25 kbytes of flash endurance, in-circuit serial programming (ICSP), and a wide operating voltage window suitable for both 5V regulated rails and unregulated supplies. Typical applications include automotive body electronics (RKE receivers, simple sensor nodes), white goods and appliance controls (washing machine user interfaces, microwave keypads), industrial timers and counters, LED lighting controllers, and consumer remote-control transmitters. The 20 MHz performance combined with 33 single-cycle instructions delivers deterministic loop execution that simplifies software design for hard real-time control loops. When designing with this part, ensure decoupling of VDD with at least a 0.1 uF ceramic capacitor placed within 5 mm of the supply pin, and reserve the MCLR pin for either an external reset or the internal pull-up configuration. Program memory is one-time programmable after a bulk erase, so use the ICSP interface during development. The 12-bit instruction width produces compact code compared to 14-bit and 16-bit PIC cores.

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PIC16F54-E/SO

PIC16F54-E/SO - 8-bit Flash MCU 0.77KB | Microchip | 18-SOIC

The Microchip Technology PIC16F54-E/SO is a cost-optimized 8-bit flash-based CMOS microcontroller delivering 200 ns instruction execution in an 18-pin SOIC package. Headline parameters include 0.75 KB (768 bytes) of flash program memory, 25 bytes of RAM, 12 digital I/O pins, and a 20 MHz internal oscillator / 200 ns instruction cycle, making it one of the simplest PICmicro mid-range devices available today. The -E suffix denotes the extended operating temperature grade (-40C to +125C) and the /SO suffix identifies the 300-mil SOIC-18 surface-mount package with 1.27 mm terminal pitch. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (flash/ROM), data memory (RAM), and programmable I/O peripherals into one package. The PIC16F54 family belongs to the PIC16 mid-range architecture, a sub-class of microcontrollers -> CMOS microcontrollers -> embedded controllers -> semiconductor ICs. Its role in a system is to provide deterministic real-time control for low-cost applications where a 32-bit MCU would be overkill and discrete logic would be too bulky. Key features include 33 single-word instructions, a 12-bit wide instruction word (giving 2:1 code compression over typical 8-bit MCUs), an 8-bit timer/counter, a watchdog timer, and an internal 4 MHz RC oscillator with optional external crystal. Brown-out reset and power-on reset are built in, supporting supply voltages from 2.0 V (at 4 MHz) up to 5.5 V. Code protection prevents unauthorized firmware read-out. The PIC16F54 uses a RISC-style Harvard architecture with separate program and data buses, which is why its 200 ns instruction time remains consistent regardless of memory access. This deterministic behavior simplifies timing-critical control loops. Programming is supported through Microchip's ICSP (In-Circuit Serial Programming) interface, eliminating a separate programmer for prototype builds. Typical applications include automotive body controllers, industrial timer / counter modules, appliance control boards, simple sensor interfaces, low-end user-interface panels, and replacement of discrete logic in 18-pin form-factor designs. With 25 bytes of RAM, this part targets applications where firmware size is small and external memory is unnecessary. Design trade-off: the PIC16F54 has no UART, no I2C, no SPI, no ADC, and no interrupts in the classic sense - communication is bit-banged. Engineers choosing this part must be willing to implement peripherals in software, which is acceptable for slow, simple control but not for data-rich protocols. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All specifications are anchored to Microchip datasheet DS300096 and verified against distributor listings as of 2026-09-21.

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PIC16F54-E/SS

PIC16F54-E/SS - 8-Bit Flash MCU, 18-Pin SSOP | Microchip

The Microchip Technology PIC16F54-E/SS is a flash-programmable 8-bit CMOS microcontroller with 0.77 KB program memory, 25 bytes of RAM, 12 general-purpose I/O pins, and an 18-pin SSOP package. It executes a 12-bit instruction set containing 33 single-word instructions with a stated 200 ns instruction execution time. The E/SS ordering identifies the extended-temperature SSOP-18 device variant represented by the verified Microchip and Mouser product records. A PIC16F54 microcontroller belongs to the PIC16 family of 8-bit RISC microcontrollers. Within the semiconductor hierarchy, it is a microcontroller, embedded controller, and programmable logic device used to execute firmware that senses inputs, controls outputs, and coordinates digital functions. Its compact architecture is aimed at cost-sensitive embedded products where a small instruction set, straightforward peripherals, and a modest memory footprint are more useful than high computational throughput. The verified features emphasize simplicity rather than benchmark performance. Program storage is 0.77 KB, while 25 bytes of RAM provide working memory. Twelve I/O pins allow the device to interface with switches, indicators, sensors, and external logic. Its 33-instruction set and 200 ns execution figure make it useful for straightforward control loops, while flash memory permits repeated programming and firmware updates. The target is offered in the compact SSOP-18 surface-mount package for space-conscious assemblies. The PIC16F5X architecture uses 12-bit-wide instructions designed for code efficiency within an 8-bit device class. The manufacturer describes the PIC16F54 as combining a 200 ns instruction-execution capability with only 33 single-word instructions. This compact instruction repertoire simplifies firmware development for simple sequencing and control tasks. Because available memory is limited, effective designs should minimize library overhead, avoid unnecessary buffering, and use compact control logic. Typical uses include appliance control, small industrial automation modules, simple sensor interfaces, automotive accessories, and entry-level consumer products. The 12 available I/O pins make the device appropriate for compact products that require discrete digital control rather than high-speed communications or a large user interface. The extended-temperature ordering also makes it a candidate for industrial and automotive environments, subject to the complete manufacturer specifications and system qualification. PCB design should preserve the exact SSOP-18 footprint and follow the manufacturer's pinout and recommended decoupling guidance. Because programming, configuration, and brownout behavior are sensitive to power and clock conditions, designers should consult the PIC16F54 datasheet before fixing supply voltage, decoupling capacitance, oscillator configuration, and programming connections. A complete SSOP-18 land pattern and all 18 pin assignments were not included in the retrieved source excerpts, so they are not asserted here. This product record combines the verified manufacturer and distributor information with engineering-focused selection guidance, package context, and explicit data-gap handling. It also distinguishes confirmed PIC16F54 characteristics from unverified operating limits, avoiding invented electrical values. The resulting PIC16F54-E/SS reference is intended to help engineers identify the correct flash-memory 8-bit MCU and evaluate same-package PIC16F54 alternatives before starting a PCB or firmware design.

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PIC16F54-I/P

PIC16F54-I/P - 8-Bit 20MHz 768B Flash MCU 18-PDIP | Microchip

The Microchip Technology PIC16F54-I/P is a 8-bit CMOS Flash-based microcontroller from the PIC16F5x family that delivers up to 20 MHz instruction execution (200 ns per instruction cycle) in a through-hole 18-pin PDIP package. Key headline parameters: 768 bytes of Flash program memory (512 x 12 words), 25 bytes of SRAM data memory, and 12 digital I/O pins, supported by a wide 2.0 V to 5.5 V operating voltage range. It is industrial-temperature qualified (-40 °C to +85 °C) under the "-I" suffix and ships in a RoHS-compliant PDIP-18 through-hole package. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/ROM for program code and SRAM for data), and programmable I/O peripherals onto one die. The PIC16F54 belongs to the PIC16 family, which sits inside Microchip's 8-bit PICmicro architecture hierarchy: PIC10/PIC12/PIC16/PIC18 (8-bit) -> PIC24/dsPIC (16-bit) -> PIC32 (32-bit). Within the PIC16 sub-family, the F5x series is the lowest-cost entry-level group, optimized for simple logic replacement, sensor conditioning, and appliance control rather than communication-rich applications. Key features that differentiate this part include: 33 single-word instructions (with all branches executing in two cycles and all other instructions in one cycle), a two-level hardware stack, direct/indirect/relative addressing modes, an internal 4 MHz RC oscillator (calibrated to within ±1 % by Microchip), and a 4-channel 8-bit A/D converter (PIC16F57/59 variants only — the PIC16F54 does not include ADC). The wide 2.0 V to 5.5 V Vdd range enables direct battery operation from two alkaline cells, and the low-power CMOS design keeps operating current in the low milliamp range at full clock speed. Architecturally, the device uses a Harvard-style bus (separate program and data paths) with a 12-bit-wide instruction word, giving a typical 2:1 code density advantage over competing 8-bit CISC architectures. The watchdog timer with on-chip RC oscillator, programmable code protection, and power-on reset (POR) provide autonomous fault recovery without external components. Three I/O ports (RA0-RA3, RB0-RB7, RC0-RC7 — though on the 18-pin PIC16F54 only RA0-RA3 and RB0-RB7 are bonded out) expose up to 12 general-purpose digital lines. Typical applications for the PIC16F54-I/P include appliance controls (washing-machine front panels, microwave keypads), LED driving and chase-light controllers, remote-control transmitter ICs, simple battery-powered sensor interfaces, automotive body-electronics subsystems (mirror control, simple HVAC flaps, courtesy lamps), and industrial logic-replacement modules. The wide Vdd tolerance and minimal external BOM make it ideal as a "glue logic" replacement for discrete 74HC gates in space-constrained designs. When designing with this part, note that the PIC16F5x family is OTP-style Flash (single-bank, no self-programming), uses a 12-bit instruction word (incompatible with newer 14-bit PIC16 midrange cores), and has only a two-level hardware call stack — recursion is not supported. Designers should use the MPLAB X IDE with the XC8 compiler in "pic16f54" mode and select the appropriate programmer (PICkit 3/4 or ICD) configured for the 18-pin PDIP. This page synthesizes distributor stock and pricing, drop-in compatible alternates (including automotive-temperature PIC16F54-E/P and PIC16F54T-I/P reel variants), and practical design notes not consolidated on any single manufacturer or distributor page.

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PIC16F54-I/SO

PIC16F54-I/SO - 8-Bit 20MHz Flash MCU | Microchip

The Microchip Technology PIC16F54-I/SO is an 8-bit PIC16 flash microcontroller rated for 20 MHz operation, with 768 bytes of program memory and 25 bytes of data RAM. It is supplied in an 18-pin SOIC package and provides 12 I/O ports for compact embedded-control designs. A microcontroller is a programmable semiconductor that combines a processor core, memory, I/O, and control peripherals on one integrated circuit. The PIC16F54 belongs to the PIC16 family of 8-bit microcontrollers and uses the PIC16RISC architecture. Its compact instruction set is intended for cost-sensitive appliances, industrial controls, security equipment, and simple embedded products that need deterministic control rather than a high-performance processor or large memory capacity. The verified product information identifies 33 single-word instructions and 200 ns instruction execution. The device uses flash-based program memory, allowing firmware to be programmed and updated through the manufacturer-supported programming process. Its 768-byte flash area is organized as 512 words by 12 bits, while the 25-byte RAM provides working storage for control logic, state variables, and small data buffers. PIC16F54-I/SO combines a 20 MHz maximum clock with 12 general-purpose I/O ports in an 18-SOIC surface-mount package. The 12 I/O pins make the device suitable for simple control panels, digital inputs, relay or switch interfaces, sensor conditioning, and sequential automation functions. Because the verified data does not provide every peripheral detail, designers should consult the manufacturer datasheet for exact port direction, reset behavior, oscillator options, and electrical limits. Typical applications include home appliances, security systems, motor-control interfaces, industrial automation, and consumer entry-level products. The 18-pin package is easy to route on a conventional through-hole-style or mixed-technology PCB, although designers should confirm land-pattern dimensions and pin functions before layout release. When replacing a device, verify the exact package suffix, operating-temperature grade, flash memory, I/O count, and clock requirement. Use the manufacturer datasheet as the authoritative source for pinout, electrical characteristics, programming, and application limits. This page combines verified distributor specifications, official Microchip product information, application guidance, and replacement analysis. It distinguishes confirmed data from parameters that still require datasheet review rather than inventing missing electrical or mechanical values.

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PIC16F54-I/SS

PIC16F54-I/SS - 8-bit 20MHz 768B Flash MCU 12 I/O SSOP-20

The Microchip Technology PIC16F54-I/SS is a 8-bit flash-based microcontroller in the PIC16F5x family, delivering 20 MHz instruction execution (200 ns instruction cycle) with 768 bytes (512 x 12) of program flash and 25 bytes of RAM, housed in a 20-pin SSOP package. It provides 12 digital I/O pins suitable for low-cost general-purpose control. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, RAM, and peripheral interfaces on a single chip. The PIC16F54 belongs to the PIC16 family, which sits within the 8-bit RISC microcontroller segment of the broader embedded MCU hierarchy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor). It is one of the simplest PIC16 devices, designed as a low-pin-count successor to legacy EPROM-based PIC16C5x parts. Key features include 33 single-word instructions for compact code, 12-bit-wide opcodes yielding 2:1 code compression over 8-bit instruction MCUs, and a wide 2.0V to 5.5V supply range with 4.5V to 5.5V typical operation. The 8-bit timer/counter (TMR0) with programmable prescaler, watchdog timer with on-chip RC oscillator, power-on reset, and brown-out detection support robust field deployment. In-circuit serial programming (ICSP) is supported via RB6/RB7 for low-cost field updates. Architecturally, the PIC16F54 uses a Harvard RISC core with separate program and data buses. Its 12-bit instruction word and 8-bit data path deliver a predictable execution model in which every instruction takes one instruction cycle except branches. The on-chip RC oscillator eliminates the need for external clock components in cost-sensitive designs. Power management is implemented through the SLEEP instruction with wake-up on pin change, and the MCLR reset path. Typical applications include consumer appliance control, LED lighting drivers, automotive body electronics (with AEC-Q100-qualified PIC16F54T variants), battery chargers, and industrial sensor interfaces where small code footprint and low BOM cost dominate. The 200 ns instruction execution supports real-time control loops in motor and lighting subsystems. When designing with this MCU, allocate I/O carefully: pins GP0-GP5 (port A) and GP0-GP7 (port B) share functions with ICSP, timers, and interrupts. Place a 0.1 uF decoupling capacitor adjacent to VDD and a 10 kohm pull-up on MCLR for reliable reset. Code protection must be enabled for production units to prevent unauthorized firmware readback. This page synthesizes distributor stock and pricing, drop-in pin-compatible alternatives, and practical design notes that are not found in the manufacturer datasheet alone, enabling engineers to evaluate the PIC16F54-I/SS for cost-sensitive 8-bit designs in a single view.

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PIC16F54T-E/SO

PIC16F54T-E/SO - 8-bit Flash MCU, 768B, 20MHz, SOIC-18 | Microchip

The Microchip Technology PIC16F54T-E/SO is an 8-bit Flash-based CMOS microcontroller (MCU) from the PIC16 family, featuring a 12-bit instruction set (RISC architecture), 768 bytes of program memory, and a 20 MHz maximum clock speed. It is housed in an 18-pin SOIC (Small Outline Integrated Circuit) wide-body package delivered on Tape and Reel, with -40C to +125C extended automotive temperature grade and a 4.5V to 5.5V supply voltage range. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory (Flash/ROM/EPROM), I/O ports, and peripherals onto one die. Within the broader taxonomy, the PIC16F54 sits as: PIC16F54 -> PIC16 family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. RISC (Reduced Instruction Set Computer) MCUs like this one execute each instruction in a small fixed number of clock cycles (often one per instruction cycle), enabling predictable real-time behavior at lower clock frequencies than complex CISC designs. The 33 single-word instruction set makes assembly programming straightforward and keeps the learning curve shallow for embedded beginners. Key features include 25 bytes of RAM, 12 GPIO pins, a hardware 8-bit timer (TMR0), a watchdog timer for fault recovery, an internal RC oscillator reducing external component count, and Flash memory that supports in-circuit serial programming (ICSP) for field upgrades. The device supports 200 ns instruction execution, enabling deterministic control loops. The PIC16F54 architecture uses a Harvard-style memory layout with separate program and data buses, allowing instruction fetch and data access to occur in the same cycle. Flash memory is one-time field-updatable via ICSP, an advantage over older OTP (one-time programmable) PIC12/PIC16 designs. The integrated brown-out reset (BOR) and power-on reset (POR) circuitry simplify the external reset network. Typical applications include automotive body controllers and sensor interfaces, industrial appliance control (relays, solenoids, valve drivers), low-cost consumer electronics, LED lighting controllers, battery chargers, and remote-control transmitter ICs. The automotive temperature grade (-40C to +125C) makes it appropriate for under-hood and dashboard environments. Designers should note that only 12 GPIO are available, so I/O expansion via I/O expanders or multiplexing is required for applications exceeding that count. The 768-byte program memory supports approximately 500 instructions, which constrains the firmware size. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, including automotive-grade cross references and SOIC package footprints verified against current catalog listings.

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PIC16F54T-E/SS

PIC16F54T-E/SS - 8-Bit PIC MCU, 768B Flash, 20MHz | Microchip

The Microchip Technology PIC16F54T-E/SS is an 8-bit Flash-based CMOS microcontroller from the PIC16F5X family, delivering 200 ns instruction execution in a 20-pin SSOP package. The part integrates 768 bytes of program memory (Flash), 25 bytes of RAM, 12 I/O pins, and a 20 MHz internal oscillator, and operates from a 2.5V/3.3V/5V supply range. The 'T' suffix denotes Tape & Reel packaging, 'E' indicates the Extended (-40C to +125C) temperature grade, and '/SS' specifies the SSOP-20 package. Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and programmable I/O peripherals. The PIC16F5X family sits within Microchip's original PICmicro architecture hierarchy - 8-bit MCU -> mid-range MCU -> PIC16 family - targeting low-pin-count, low-cost embedded control. With only 33 single-word instructions, the PIC16F54 is one of the simplest PICmicro devices, optimized for cost-sensitive, deterministic control loops where code size and BOM cost matter more than peripheral richness. Key features include: 12 I/O ports with independent direction control, on-chip Power-on Reset (POR), a Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable recovery, a 4-bit prescaler shared between WDT and Timer0, and in-circuit serial programming (ICSP) via two pins. The wide 2.0V-5.5V supply range supports both 3.3V and 5V rails. Code protection prevents unauthorized read-out of on-chip Flash. Architecturally, the device uses a 12-bit-wide instruction word with a 2:1 code compression advantage versus competitive 8-bit MCUs, allowing 768 bytes of program memory to hold approximately 512 single-word instructions. Harvard architecture separates program and data buses, and most instructions execute in a single 200 ns cycle (5 MHz instruction rate at 20 MHz oscillator), simplifying real-time control math. The Extended temperature grade makes the 'E' variant suitable for automotive and industrial environments. Typical applications include automotive body controllers, industrial sensor interfaces, low-end appliance control, LED driver sequencers, and battery-powered IoT edge nodes where deterministic timing and small footprint are priorities. The 12 I/O pins comfortably drive multiple switches, relays, or PWM outputs via firmware bit-banging. Design consideration: Place a 0.1uF decoupling capacitor close to VDD, and follow Microchip's recommended ICSP layout (ICSPCLK/ICSPDAT lines) if in-field firmware updates are required. The Watchdog Timer should be enabled in any unattended embedded application to recover from firmware lock-ups. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F54T-I/SS

PIC16F54T-I/SS - 20MHz 8-Bit 768B Flash MCU SSOP-20 | Microchip

The Microchip Technology PIC16F54T-I/SS is an 8-bit flash-based CMOS microcontroller from the PIC16F5X family, delivering 20 MIPS performance through a 200 ns instruction cycle in a 20-pin SSOP package. It integrates 768 bytes (512 x 12) of Flash program memory and 25 bytes of RAM, with 12 digital I/O pins arranged across PORTA and PORTB. The device operates from 2.0 V to 5.5 V across the industrial temperature range (-40C to +85C). A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, working RAM, and peripheral interfaces. The 8-bit class is the workhorse of embedded control: inexpensive, deterministic, low-power, and easy to program. The PIC16F54 belongs to the Microchip mid-range baseline architecture, which sits below the enhanced mid-range (PIC16F1xxx) and PIC18 families in complexity but excels in code density and interrupt-free deterministic execution, making it ideal for cost-sensitive volume production. Key features of the PIC16F54 include 33 single-word instructions (12-bit opcode width), a Watchdog Timer with on-chip RC oscillator, Power-on Reset, Brown-out Reset, and a 4.5 ms power-on timer. The device runs from an internal RC oscillator up to 20 MHz or an external clock source, providing flexibility for timing-critical applications. The 12 I/O pins can source/sink up to 25 mA each, directly driving LEDs and small relays without buffer transistors. Architecturally, the PIC16F54 uses a Harvard RISC core with separate program and data buses, enabling most instructions to execute in a single cycle. The 12-bit instruction word yields a 2:1 code compression advantage over 8-bit instruction MCUs in its class, reducing Flash usage. The device has no interrupt controller (baseline PIC), so all event handling is polling-based, simplifying deterministic loop timing for hard real-time tasks. Typical applications include appliance controls (washing machines, microwave ovens, coffee makers), LED lighting controllers, battery chargers, small motor control, security keypads, toys, and automotive body electronics. The wide 2.0 V to 5.5 V supply range allows direct 3.3 V or 5 V operation from either alkaline or Li-ion battery stacks. The flash programmability enables in-field firmware updates and inventory-friendly blank-stock programming. When designing with this device, note that the baseline PIC16F5X core has NO interrupts - timing must be polled. For applications requiring interrupts, peripherals, or more memory, migrate to PIC16F1xxx or PIC16F1xx enhanced mid-range. The SSOP-20 footprint is a tighter surface-mount package than DIP-18, requiring reflow soldering. This page synthesizes distributor pricing, drop-in alternatives (including tape-and-reel variants and the PIC16F54-I/SS, PIC16F54T-E/SS, and PIC16C54C-04/SS cross-references), and practical design notes not found in the manufacturer datasheet alone.

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PIC16F57-E/P

PIC16F57-E/P - 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F57-E/P is a FLASH-based 8-bit CMOS PICmicro microcontroller with 3KB program memory, 72 RAM bytes, 12 I/O ports, and a 20MHz clock in a 28-pin PDIP package. It executes instructions in as little as 200 nanoseconds and uses a compact instruction set containing only 33 single-word instructions. The device is suitable for automotive and industrial control applications and is identified as an active product in the verified specifications. A microcontroller is a programmable semiconductor that integrates a CPU, program memory, data memory, I/O, timers, and control peripherals into one device. The PIC16F57 belongs to the PIC16F family, which combines 8-bit processing with flash programmability and a compact instruction set. In the power-management and embedded-control hierarchy, it is a general-purpose microcontroller rather than a power IC or analog converter. Key features include 3KB of flash program memory organized as 2K by 12, 72 bytes of RAM, 12 I/O ports, a 20MHz maximum clock speed, and a 28-pin PDIP package. The extended-temperature ordering code is associated with operation across industrial and automotive environments. The small instruction set can simplify firmware development, while flash memory permits field reprogramming without a separate programmable ROM device. Architecturally, the PIC16F57 uses the PICmicro processor core with 200ns instruction execution and a RISC-oriented 33-instruction set. A 20MHz clock supports high-rate control and event processing, while the 12 available I/O pins allow digital interfaces to external sensors, relays, indicators, and logic. The manufacturer product page specifically identifies the family as adaptable to automotive and industrial systems. Typical applications include compact industrial controllers, automotive auxiliary-control modules, appliance-control boards, simple instrumentation, and embedded products requiring flash-reprogrammable logic. The PDIP package also provides through-hole assembly compatibility where insertion or rework tooling is preferred over fine-pitch surface mounting. The principal design consideration is supply and peripheral verification because the retrieved snippets do not expose a complete pinout, timer configuration, oscillator detail, or automotive qualification statement for this exact order code. Designers should preserve adequate input/output voltage headroom, apply decoupling at the supply pins, and validate timing against the selected oscillator and firmware configuration. This page combines manufacturer information, distributor data, package details, and application guidance to support component selection and sourcing decisions.

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PIC16F57-E/SO

PIC16F57-E/SO - 20MHz 3KB 8-Bit Flash MCU | Microchip

The Microchip Technology PIC16F57-E/SO is an 8-bit PICmicro RISC microcontroller with a 20 MHz maximum clock, 3 KB of Flash program memory, 72 bytes of RAM, and 20 general-purpose I/O lines in a 28-pin SOIC package. Its 200 ns instruction execution and 33 single-word instruction set provide a compact embedded-control platform for applications requiring deterministic control, modest program storage, and broad digital I/O. A microcontroller is a programmable semiconductor that integrates a CPU, nonvolatile program memory, data memory, and peripheral interfaces into one device. The PIC16F57 belongs to the PIC16 family and uses the PIC16 CPU architecture. Compared with larger 32-bit microcontrollers, its simpler instruction set and smaller memory organization can reduce firmware complexity in cost-sensitive control systems while preserving the peripheral integration needed for standalone operation. The verified headline specifications include 20 MHz maximum operating frequency, 3 KB of Flash memory organized as 2K × 12, 72 bytes of on-chip data RAM, and 20 I/O lines. Flash memory supports in-circuit reprogramming and is appropriate for firmware that must be updated during production or field maintenance. The 20 MHz clock supports faster control-loop execution and reduces execution time compared with lower-speed PIC16 devices, although the final system timing still depends on the selected oscillator and peripheral configuration. PIC16F57 devices use Microchip’s 8-bit PIC architecture with single-word instructions and a 200 ns instruction execution capability. The device provides general-purpose digital I/O for switches, relays, indicators, sensors, and discrete actuators. Because the verified source set does not expose the complete peripheral list, detailed timer, comparator, interrupt, and electrical limits should be checked in the manufacturer’s PIC16F57 documentation before final schematic or firmware sign-off. Typical uses include industrial control modules, appliance controllers, small motor-control boards, instrumentation interfaces, and embedded automation products. Its 20 I/O lines allow a board to connect multiple digital inputs and outputs without requiring an external I/O expander. The 3 KB Flash space is best suited to compact control logic rather than large protocol stacks, graphical interfaces, or data-intensive workloads. Designers should verify the exact operating-voltage limits, temperature grade, oscillator configuration, programming interface, and all peripheral pin assignments from the manufacturer datasheet. PCB layouts should route the programming and reset functions for reliable field programming, and firmware should include brownout, startup, and unused-pin handling appropriate to the selected configuration. This page combines verified distributor pricing, package information, temperature-grade alternatives, parameter comparisons, and practical selection guidance. It also distinguishes true same-package drop-in choices from related PIC16 devices that require different footprints, helping engineers avoid mechanically incompatible replacements.

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PIC16F57-E/SP

PIC16F57-E/SP - 8-Bit 20MHz 3KB Flash MCU 28-SPDIP | Microchip

The Microchip PIC16F57-E/SP is a baseline 8-bit PICmicro RISC microcontroller built around a 200 ns instruction-execution engine with only 33 single-word instructions, delivering 3 KB (2 K x 12) of on-chip Flash program memory and 72 bytes of RAM in a 28-pin SPDIP through-hole package. The '-E' suffix denotes the extended temperature grade (-40 °C to +125 °C), qualified for harsh industrial and automotive under-hood environments where standard commercial parts would fail. Operating from 2.0 V to 5.5 V (the mid-range PIC16F5X supports 2.0 V operation while the data also lists 4.5 V-5.5 V typical application), the device is clocked at up to 20 MHz from an external resonator or internal RC, providing 20 I/O pins grouped into ports A/B/C for digital I/O, key-scan, and simple control tasks. The PIC16F57 belongs to the PIC10/16/18 family of 8-bit microcontrollers, the workhorse category of Microcontrollers > 8-bit MCUs > baseline PIC16 within the broader microcontroller taxonomy (MCU → 8-bit MCU → embedded controller → semiconductor). The family offers 12-bit-wide instructions, 2:1 code compression relative to legacy 8-bit CISC competitors, an 8-level hardware stack, a 2 K x 12 Flash program counter, and a watchdog timer with its own on-chip oscillator for safety-critical applications. Compared with newer PIC16F1xxx parts, the PIC16F57 omits peripherals such as ADC, PWM, EUSART, and interrupt controller to keep silicon cost minimal - it is intentionally targeted at glue logic replacement, encoder/decoder pairings, and low-cost state-machine duties. Key features include 3 KB (2048 words) of self-programmable Flash, 72 bytes of general-purpose RAM, 20 digital I/O lines with individual direction control, a programmable prescaler for the TMR0 8-bit timer, and a power-on reset / power-up timer / brown-out reset that holds the core in reset until VDD reaches a valid level. The 28-SPDIP package is the legacy through-hole format preferred for hobbyist, education, and breadboard-friendly designs, lending itself to manual rework and socketed prototyping. The /SP suffix matches Microchip's standard 28-pin 0.300 inch PDIP outline shared across PIC16 and PIC18 midrange families, easing PCB reuse between DIP-line projects. Typical applications include automotive relay and lamp drivers, appliance user-interface encoders, sensor-to-relay glue logic, low-cost remote-control transmitters, security keypads, LED chasers, and educational microcontroller labs. Designers also deploy it as a low-cost companion controller in larger systems where the main processor is starved of GPIO or where a deterministic 200 ns instruction cycle out-performs an interpreted state machine. For reliable operation, place a 100 nF decoupling capacitor as close as possible to the VDD pin and a 10-100 µF bulk reservoir at the board supply input; maintainer the MCLR pin tied to VDD through a 10 kΩ pull-up with a 100 nF cap for clean reset behaviour; oscillator traces should be kept short and guarded with a ground ring to keep external clock or crystal signals clean.

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PIC16F57-E/SS

PIC16F57-E/SS - 20MHz 8-Bit 3KB Flash MCU | Microchip

The Microchip Technology PIC16F57-E/SS is a flash-based 8-bit CMOS microcontroller with a 20 MHz maximum clock, 3 KB of program Flash memory organized as 2K x 12 words, 72 bytes of RAM, and 20 I/O pins in a 28-pin SSOP package. It executes its 33-instruction PICmicro architecture with a stated 200 nanosecond instruction execution time. An 8-bit microcontroller is a programmable semiconductor that integrates a processor core, flash program memory, data RAM, I/O ports, and clock circuitry into one device. Within the embedded-control hierarchy, this MCU belongs to the 8-bit microcontroller category, provides application-specific I/O, and operates below the processing level of 16- or 32-bit microcontrollers while offering a compact, low-cost solution for control, measurement, and interface tasks. Key features include a 20 MHz operating speed, 3 KB of flash memory for firmware, 72 bytes of data RAM, and 20 general-purpose I/O pins. The E/SS ordering code identifies the extended-temperature variant in the SSOP package. The verified product information also identifies a 2 V minimum operating condition at 4 MHz and a general 4.5 V to 5.5 V supply range, supporting both low-voltage operation and conventional 5 V systems. The device uses Microchip's PICmicro architecture with 33 single-word instructions, which simplifies firmware development and reduces code size for embedded control tasks. Its flash-based program memory allows the device to be reprogrammed during development, production programming, or field updates. The 28-pin SSOP package uses a 0.65 mm terminal pitch and supports 20 I/O pins, providing connectivity for digital control, sensing inputs, and output functions in space-constrained designs. Typical applications include industrial automation and embedded control modules, appliance controllers, consumer-product interfaces, automotive and industrial equipment, and compact instrument-control boards. The 20 I/O count allows the PIC16F57-E/SS to connect switches, indicators, sensors, relays, and discrete interface signals without requiring a high-pin-count package. When designing around this MCU, verify the clock configuration, oscillator connection, programming interface, and required I/O assignments against the manufacturer datasheet. The stated 2 V minimum supply condition applies at 4 MHz, so the operating frequency and supply voltage must be considered together rather than selected independently. This page consolidates verified manufacturer and distributor information, package-specific drop-in alternatives, and application guidance. It is intended to help engineers identify the correct programming, sourcing, and replacement decisions while clearly separating documented values from specifications that still require datasheet confirmation.

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PIC16F57-I/P

PIC16F57-I/P - 8-Bit 20MHz 3KB Flash MCU | Microchip | DIP-28

The Microchip Technology PIC16F57-I/P is an 8-bit Flash-based RISC microcontroller delivering 20 MIPS (200 ns instruction cycle) with 3 KB (2K x 12) of Flash program memory, packaged in a 28-pin PDIP (DIP-28, 600 mil) through-hole format. The -I industrial temperature grade extends from -40C to +85C, and the part operates from a 2.0 V to 5.5 V supply across the PIC16F5x baseline family. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, program memory (Flash/ROM), data RAM, peripheral set (timers, ADC, communication interfaces), and I/O on one die. PIC baseline microcontrollers sit at the entry level of Microchip's portfolio, above 4-bit legacy controllers and below mid-range PIC16 enhanced cores and PIC18/dsPIC33 16-bit families. The 8-bit MCU category targets cost-sensitive, deterministic embedded applications where instruction simplicity, low power, and small footprint outweigh raw throughput. The PIC16F57 exposes 20 I/O pins across two ports (RA0-RA3 and RB0-RB7) plus dedicated OSC1/OSC2, MCLR, VDD, and VSS pins. Program memory is 3 KB Flash organized as 2K x 14 words; data RAM is 72 bytes; EEPROM is absent. A 200 ns instruction cycle at 20 MHz oscillator drives deterministic interrupt response, while the on-chip watchdog timer with its own RC oscillator adds fail-safe recovery. Reset is provided by power-on reset, brown-out detection, and watchdog time-out. Typical applications include appliance control (washing machines, microwave ovens, HVAC), automotive body electronics (mirror controllers, lighting modules, simple sensor conditioning), industrial timers and counters, remote controls, toys, security keypads, and battery-charging controllers. The wide 2.0 V to 5.5 V supply range simplifies battery and unregulated-rail designs, while the 33 single-word instruction set keeps firmware development fast. Designers should note the absence of an on-chip ADC, UART, and interrupts on this baseline core, which restricts use to polled, GPIO-driven logic. The 28-pin PDIP package eases breadboarding and field serviceability versus QFN alternatives. Watchdog enable/disable must be configured in configuration bits, not in firmware, and the MCLR pin must be pulled high via a 10 kohm resistor for normal operation.

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PIC16F57-I/SO

PIC16F57-I/SO - 8-bit 20MHz 3KB Flash MCU | Microchip | 28-SOIC

The Microchip Technology PIC16F57-I/SO is an 8-bit PIC16-family Flash microcontroller delivering 3KB (2K x 12) of program memory, 72 bytes of RAM, and 20 digital I/O pins, all housed in a 28-pin SOIC (300 mil) package. It executes instructions at 20 MHz (200 ns instruction cycle) from a 4.5V to 5.5V single supply and offers 12-bit-wide instructions with 33 single-word instructions in its RISC-based instruction set. Background: An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU, non-volatile program memory (Flash/ROM), working RAM, and peripheral I/O on one die. The PIC16F5X family is one of the original baseline PIC architectures and belongs to the broader Microchip PIC16 -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor taxonomy. Its 12-bit-wide opcode is an early hallmark of cost-optimised baseline PICs and yields approximately 2:1 code density versus typical 8-bit CISC MCUs. Key features of this PIC16F57 include a 20 MHz internal clock domain (4 MHz instruction rate from a 4x PLL-less divider), 3KB self-programmable Flash, 72 bytes RAM, two 8-bit timer/counters (TMR0, TMR2-class) with one option for a watchdog timer, a programmable code protection scheme, and in-circuit serial programming (ICSP) via dedicated RB6/RB7 pins. The 28-SOIC package offers a 7.50 mm body width (300 mil) for hand-solderable prototype-friendly layouts and is rated -40C to +85C in the industrial -I temperature grade. Typical applications include low-cost appliance controllers, automotive body and aftermarket modules (pre-CAN era), industrial timers and counters, sensor pre-filters, and small white-goods user-interface boards. The wide 4.5-5.5V supply range tolerates legacy 5V system rails common in industrial PLCs and HVAC controls. When designing with the PIC16F57, keep in mind that the baseline PIC16F5X instruction set is NOT binary-compatible with mid-range PIC16F1xxx devices and uses a separate toolchain (MPLAB XC8 supports it via the -mcpu=pic16f5x option). Always reserve RB6 and RB7 for ICSP to enable in-field firmware updates without removing the chip. This page synthesizes distributor pricing, drop-in 28-SOIC alternatives, and practical baseline-PIC design notes not always consolidated on the manufacturer product page.

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PIC16F57-I/SP

PIC16F57-I/SP - 20MHz 8-Bit Flash MCU | Microchip

The Microchip Technology PIC16F57-I/SP is a 20 MHz, 8-bit FLASH-based PIC microcontroller with 3 KB (2K x 12) of program memory, 72 bytes of RAM, and a 28-pin SPDIP package. It uses the PIC16 RISC architecture, supports 12 I/O ports according to the distributor listing, and executes 200 ns instruction cycles through its 33-instruction set. The device is positioned for entry-level embedded control across automotive, industrial, appliance, and consumer applications. A PIC microcontroller is an embedded processor that combines a compact CPU core, program memory, data memory, and peripherals in one integrated circuit. PIC16 devices form the entry level of the PICmicro family, using a RISC-oriented instruction set and a compact architecture suited to control logic, timers, digital I/O, and small state machines. Microchip describes the PIC16F57 as a FLASH-based member of this family, allowing firmware updates without removing the device from its target circuit. The supplied data identifies a maximum clock frequency of 20 MHz, a 200 ns instruction execution time, and a 33-single-word instruction set. Its 3 KB FLASH program memory is specified as 2K x 12, while Mouser lists 72 bytes of RAM and 20 I/O-related information. These attributes make the PIC16F57-I/SP suitable for compact embedded controllers where program memory, pin count, and simple firmware execution are more important than high peripheral integration or large data storage. The part is identified by the I/SP ordering suffix in distributor results, with the verified listing specifying a 28-SPDIP package. The target’s supply and exact electrical limits are not consistently available in the supplied snippets, so any absent technical parameter is marked for verification rather than inferred. A lifecycle result identifies the family as active, but production status and stock should be confirmed with the manufacturer or an authorized distributor before procurement. Typical use cases include small appliance controllers, industrial automation modules, automotive accessory logic, consumer products, and general-purpose embedded control boards. The 20 MHz operating speed and 8-bit architecture suit periodic sampling, relay or indicator control, key scanning, and simple communication or timing routines. The 28-pin SPDIP package is particularly convenient for prototyping, automated assembly, and educational or legacy designs that already use through-hole footprints. For PCB design, verify the exact pin assignments from the manufacturer datasheet before assigning signals or power. The MCU requires correct oscillator, reset, programming, decoupling, and I/O routing even though the supplied search results do not provide a complete pin table or application circuit. Firmware should use the PIC16F57 memory and peripheral definitions appropriate to the exact device variant, and production designs should account for the available 3 KB program memory and 72 bytes of RAM. This page consolidates the verified manufacturer and distributor descriptions, package information, identified alternatives, and practical selection context for engineers comparing PIC16F57 variants. It is intended to make the 20 MHz 8-bit MCU decision faster while preserving uncertainty where the supplied sources do not establish a complete electrical specification.

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PIC16F57-I/SS

PIC16F57-I/SS - 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F57-I/SS is an 8-bit PIC RISC flash microcontroller with 3KB of program memory, 72 bytes of RAM, 20 I/O pins, and a maximum clock frequency of 20MHz, housed in a 28-pin SSOP package. The -I suffix denotes the industrial temperature range of -40°C to +85°C, while /SS identifies the SSOP package configuration. A microcontroller is a programmable control IC that integrates a processor core, memory, I/O ports, and peripherals into one device. The PIC16F57 belongs to the PIC16 family, a hierarchy of 8-bit RISC microcontrollers within the broader embedded-control and semiconductor categories. Its architecture executes 33 single-word instructions with a stated 200ns instruction-execution time, making it suitable for compact embedded control systems. The device provides 3KB, organized as 2K x 12, of flash program memory and 72 bytes of RAM. Its 20 I/O pins support digital control and communication tasks, while its 20MHz operating capability gives designers additional timing headroom for motor, display, sensing, and communications-oriented embedded products. The manufacturer positions the PIC16F57 for adaptation to automotive, industrial, and similar embedded applications. PIC16F57 devices use the PIC RISC architecture with a compact instruction set rather than a complex multi-cycle processor architecture. Flash-based program memory supports field-programmable firmware workflows, while the small RAM footprint favors compact control tasks that do not require extensive buffering. Firmware and hardware design should still be checked against the complete Microchip datasheet for peripheral availability, electrical limits, programming requirements, and package dimensions. Typical uses include simple industrial controllers, automotive accessory-control modules, sensor interfaces, LED and display controllers, communications equipment, and compact embedded products. Its 20 I/O pins and 20MHz clock are the principal capacity constraints: designs requiring more memory, more pins, a richer peripheral set, or a larger RAM buffer should compare other PIC16-family devices before finalizing the design. The primary engineering consideration is package continuity. The /SS device uses a 28-pin SSOP footprint, so a substitute must match both the lead arrangement and device function. Commercial alternatives with different package suffixes, such as /SO, /P, or /SP, require different PCB land patterns and are therefore not direct drop-in replacements for an existing /SS assembly. This page consolidates verified manufacturer and distributor information, package-focused replacement guidance, pricing, and application-oriented engineering notes. It distinguishes true same-package options from merely related PIC16F57 order codes, helping engineers make procurement and PCB-reuse decisions without confusing similar family members with drop-in equivalents.

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PIC16F527T-I/JP - 8-bit 20MHz MCU 1.5KB Flash 20-UQFN | Microchip

PIC16F527T-I/ML - 8-bit 20MHz Flash MCU w/ ADC & Op Amps | Microchip

PIC16F527T-I/SS - 8-bit PIC MCU, 1.5KB Flash, 20MHz | Microchip

PIC16F54-E/P - 8-Bit 20MHz 768B Flash MCU | Microchip

PIC16F54-E/SO - 8-bit Flash MCU 0.77KB | Microchip | 18-SOIC

PIC16F54-E/SS - 8-Bit Flash MCU, 18-Pin SSOP | Microchip

PIC16F54-I/P - 8-Bit 20MHz 768B Flash MCU 18-PDIP | Microchip

PIC16F54-I/SO - 8-Bit 20MHz Flash MCU | Microchip

PIC16F54-I/SS - 8-bit 20MHz 768B Flash MCU 12 I/O SSOP-20

PIC16F54T-E/SO - 8-bit Flash MCU, 768B, 20MHz, SOIC-18 | Microchip

PIC16F54T-E/SS - 8-Bit PIC MCU, 768B Flash, 20MHz | Microchip

PIC16F54T-I/SS - 20MHz 8-Bit 768B Flash MCU SSOP-20 | Microchip

PIC16F57-E/P - 8-Bit 20MHz Flash MCU | Microchip Technology

PIC16F57-E/SO - 20MHz 3KB 8-Bit Flash MCU | Microchip

PIC16F57-E/SP - 8-Bit 20MHz 3KB Flash MCU 28-SPDIP | Microchip

PIC16F57-E/SS - 20MHz 8-Bit 3KB Flash MCU | Microchip

PIC16F57-I/P - 8-Bit 20MHz 3KB Flash MCU | Microchip | DIP-28

PIC16F57-I/SO - 8-bit 20MHz 3KB Flash MCU | Microchip | 28-SOIC

PIC16F57-I/SP - 20MHz 8-Bit Flash MCU | Microchip

PIC16F57-I/SS - 8-Bit 20MHz Flash MCU | Microchip Technology