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PIC16F505-E/ST - 8-bit PIC MCU, 1.5KB Flash, 20MHz | Microchip
PIC16F505-E/ST

PIC16F505-E/ST - 8-bit PIC MCU, 1.5KB Flash, 20MHz | Microchip

The Microchip Technology PIC16F505-E/ST is an 8-bit PIC microcontroller from the mid-range PIC16 family featuring 1.5KB (1K x 12) of Flash program memory, 72 bytes of RAM, and 11 digital I/O pins, packaged in a 14-pin TSSOP. It executes instructions at up to 20 MHz using a 2:1 code-compression 12-bit wide instruction set and ships in an extended (-E) operating temperature grade suitable for industrial environments. A PIC microcontroller is a compact, low-power, programmable system-on-chip that integrates an 8-bit CPU core, Flash program memory, SRAM data memory, EEPROM or self-programmable Flash, timers, comparators, ADCs, and digital I/O into a single package. PIC MCUs sit within the broader hierarchy of microcontrollers -> microcontrollers with integrated peripherals -> embedded controllers -> semiconductors. The PIC16F505 belongs to Microchip's legacy 14-pin PIC10/12/16 mid-range family, which remains popular for cost-sensitive, space-constrained designs where every I/O and every penny of BOM cost matters. Key features of the PIC16F505 include an internal 4 MHz RC oscillator with software calibration, two analog comparators, one 8-bit timer with 8-bit prescaler, one Watchdog Timer with its own on-chip RC oscillator, in-circuit serial programming (ICSP), and a wide 2.0 V to 5.5 V operating voltage range. The 14-pin TSSOP (Thin Shrink Small Outline Package, 0.173-inch / 4.4 mm body width) keeps board footprint small while still providing all 11 usable I/O pins. The -E suffix denotes the extended industrial temperature range of -40C to +125C. Architecturally, the PIC16F505 uses a 14-bit program word width optimized for compact code density rather than maximum throughput. Its RISC-like instruction set and Harvard bus architecture (separate program and data paths) yield deterministic interrupt latency, which is valuable in real-time control loops. The device supports ICSP via two pins (RB6/ICSPCLK and RB7/ICSPDAT), enabling firmware updates after PCB assembly without an external socket. Typical applications for the PIC16F505-E/ST include low-cost consumer appliances, battery-powered sensor nodes, LED drivers and lighting controllers, simple motor-control logic, automotive body electronics sub-modules, hobbyist and educational projects, and replacement of discrete logic ICs in legacy designs. Any embedded design that needs 8-bit deterministic control in a 14-pin footprint is a strong fit. When designing with this part, plan your I/O allocation carefully: only 11 of the 14 pins are bonded out as GPIO, and two of those double as ICSP, so production firmware should not permanently consume RB6/RB7. Add a 0.1 uF decoupling capacitor adjacent to VDD and reserve the MCLR pin for a proper reset network. This page synthesizes distributor pricing as of 2026-09-21, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16F505-I/MG - 8-Bit 20MHz Flash MCU | Microchip Technology
PIC16F505-I/MG

PIC16F505-I/MG - 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F505-I/MG is an 8-bit, 20 MHz, Flash-based PIC microcontroller with 1.5 KB of program memory, 72 bytes of RAM, and 11 I/O pins, housed in a 16-VFQFN exposed-pad package measuring 3 x 3 mm. The -I suffix identifies the industrial-temperature grade, while the /MG suffix denotes the 16-VFQFN package and tray packaging configuration. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, digital I/O, and peripherals on one compact device. The PIC16F505 belongs to the PIC16 family of 8-bit RISC microcontrollers and occupies the lowest level of the embedded-control hierarchy: MCU, embedded processor, digital controller, and semiconductor. Its compact package is suitable for space-constrained products requiring local logic, timing, input conditioning, or output control without a larger processor. The device provides 1.5 KB of Flash program memory organized as 1K x 12, 72 bytes of RAM, and a 12-bit instruction word with an 8-bit data path. Its core contains 33 single-word, single-cycle instructions, with program branches taking two cycles. According to the Microchip PIC16F505 family information, the controller is a fully static CMOS design, allowing operation without clocking the CPU when the application permits. Programming is performed through Microchip's PIC programming architecture, while the manufacturer product page identifies the MPLAB PICkit 5 in-circuit debugger and programmer as compatible with PIC devices. A 4 MHz internal precision oscillator forms the baseline clocking option, and the 20 MHz device rating defines the maximum operating speed for suitable clock, power, and temperature conditions. Operating voltage options include 2.5 V, 3.3 V, and 5 V configurations. Typical uses include compact household controllers, appliance interfaces, LED sequence and lighting control, simple sensor-hub logic, digital potentiometer control, and low-cost embedded products. Its 11 I/O pins provide enough parallel connectivity for buttons, indicators, relays, and small peripheral buses while keeping the PCB footprint compact. The exposed pad also requires careful pad assignment and layout treatment for reliable assembly and thermal performance. Designers should treat the VFQFN exposed pad according to the manufacturer's land pattern and thermal guidance rather than leaving it without a deliberate copper and solder strategy. Firmware should also account for the small 72-byte RAM budget and the restricted 1.5 KB Flash space, making state variables and code size important selection criteria. This page consolidates the manufacturer's device status, family architecture, package information, programming compatibility, and verified distributor specifications into an engineering-focused selection reference. It also distinguishes genuine device alternatives from comparisons whose pin, package, or memory characteristics require additional design review.

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PIC16F505-I/P - 8-Bit Flash MCU, 1.5KB, 12 I/O, 20MHz | Microchip
PIC16F505-I/P

PIC16F505-I/P - 8-Bit Flash MCU, 1.5KB, 12 I/O, 20MHz | Microchip

The Microchip Technology PIC16F505-I/P is an 8-bit, fully-static, Flash-based CMOS microcontroller housed in a 14-pin PDIP package. It delivers up to 20 MHz operating performance from a RISC architecture with 33 single-word/single-cycle instructions, 1.5 KB (1K x 12) of Flash program memory, and 72 bytes of RAM. The -I/P suffix indicates the industrial temperature grade (-40C to +85C) and PDIP through-hole package. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16F505 belongs to Microchip's baseline PIC12/PIC16 family, positioned as a low-cost, high-performance general-purpose 8-bit MCU. In the broader taxonomy, it sits within 8-bit microcontrollers -> microcontrollers -> embedded processors -> semiconductors. These devices are designed for simple, deterministic control tasks in cost-sensitive applications. Key features include 12 bidirectional digital I/O pins, an 8-bit timer/counter (TMR0) with an 8-bit prescaler, an internal 4 MHz RC oscillator (calibrated to +/-1%), a power-on reset (POR), a device reset timer (DRT), and a watchdog timer (WDT) with its own on-chip RC oscillator for reliable operation. The device operates from 2.0V to 5.5V across the industrial temperature range and supports in-circuit serial programming (ICSP) for Flash program memory updates. Architecturally, the PIC16F505 uses a Harvard-style architecture with separate program and data buses, enabling instruction prefetch and single-cycle execution on most instructions. Its 12-bit wide instruction set produces typical 2:1 code compression over comparable 8-bit microcontrollers, reducing Flash usage and lowering BOM cost in production. The on-chip 4 MHz RC oscillator eliminates the need for an external crystal in many designs. Typical applications include low-end consumer appliances, LED lighting controllers, battery chargers, simple sensor interfaces, remote controls, and low-power IoT edge nodes. Its small footprint and minimal external component count make it ideal for cost-sensitive and space-constrained designs. When designing with this part, plan for 12 usable I/O pins (some packages share GP3 with MCLR); use ICSP for prototype iteration; and always place a decoupling capacitor within 5 mm of VDD. The integrated watchdog and POR improve field reliability versus discrete reset circuits. This page consolidates distributor pricing, drop-in baseline alternatives, and practical design guidance beyond the manufacturer datasheet, helping engineers select, source, and deploy the PIC16F505-I/P efficiently.

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PIC16F505-I/SL - 8-Bit 20MHz Flash MCU | Microchip
PIC16F505-I/SL

PIC16F505-I/SL - 8-Bit 20MHz Flash MCU | Microchip

The Microchip Technology PIC16F505-I/SL is an 8-bit Flash microcontroller with a 20 MHz maximum clock, 1.5 KB of Flash program memory organized as 1K × 12 words, 72 bytes of RAM, and 12 I/O pins. The device is packaged in a 14-pin SOIC. It uses a 33-instruction RISC architecture with 12-bit instructions, an 8-bit data path, two stack levels, and an internal precision 4 MHz oscillator. A PIC16-family microcontroller is a compact programmable control device that combines a CPU core, program Flash, data memory, general-purpose I/O, and internal clocking resources in one package. PIC16 devices belong to the broader microcontroller and embedded-processing hierarchy. They are commonly used for compact control tasks where a small instruction set, deterministic operation, and simple peripheral connectivity are more valuable than a high-performance processor or extensive memory. The PIC16F505 offers 1.5 KB of on-chip Flash memory for firmware, 72 bytes of RAM for working variables, and 12 I/O pins for digital control or signal conditioning. Its internal precision 4 MHz oscillator provides a clock source without an external crystal, while the 20 MHz maximum device rating supports faster operation when the application and clock configuration permit it. The industrial-temperature suffix identifies this exact ordering configuration. Technically, the controller implements 33 single-word, single-cycle instructions. Most instructions execute in one cycle, while program branches take two cycles. Its 12-bit instruction width and 8-bit data path simplify resource-efficient code generation for small embedded systems. The two-level hardware stack is intended for compact routines and does not provide the call depth expected from larger general-purpose processors. Typical applications include small industrial controllers, compact appliance controls, simple sensor-conditioning systems, LED-sequencing controllers, and embedded products that need a modest number of I/O lines. Its small program memory is suitable for focused control firmware rather than networking stacks, graphical interfaces, or data-intensive workloads. The 12-pin I/O complement also allows several digital inputs and outputs to share one package. When laying out the PCB, use the manufacturer pin-description table when assigning every signal and confirm the 14-pin SOIC footprint, programming access, decoupling, and MCLR handling. Keep the MCU power and ground layout compact, and verify oscillator and I/O requirements against the application. Device programming and debugging are supported through Microchip development tools such as MPLAB and PICkit. This page combines manufacturer product information, distributor technical summaries, package and pinout details, cross-reference findings, application guidance, and practical design notes to support MCU selection and PCB implementation.

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PIC16F505T-E/SL - 8-Bit Flash MCU 1.5KB 12 I/O | Microchip
PIC16F505T-E/SL

PIC16F505T-E/SL - 8-Bit Flash MCU 1.5KB 12 I/O | Microchip

The Microchip Technology PIC16F505T-E/SL is an 8-bit Flash microcontroller built on the baseline PIC16 core with RISC architecture, offering 1.5KB (1K x 12) of Flash program memory, 72 bytes of RAM, and 12 I/O pins in a 14-lead SOIC package supplied on tape and reel. A PIC microcontroller is a compact CMOS processor that integrates CPU, Flash, RAM, and peripherals (timers, ADC, comparators, I/O) on a single die. The 16F family is the mid-range tier of PIC MCUs, balancing instruction efficiency with peripheral breadth; within that tier, the 505 sits in the baseline sub-family with 33 instructions and a 12-bit program word for cost-sensitive embedded control where an 8-bit MCU is sufficient. Key features include a 20 MHz maximum clock (200 ns instruction cycle), 4 MHz precision internal oscillator, 8-level hardware stack, two 8-bit timers plus one 16-bit timer-equivalent, 4-channel 8-bit ADC, and a configurable WDT. Operating voltage spans 2.0V to 5.5V across the -40C to +125C extended automotive temperature range, with the 'E' suffix denoting this -40C to +125C grade. The device supports in-circuit serial programming (ICSP) via the ICSPDAT and ICSPCLK pins, plus an internal 4 MHz oscillator trimmed to +/-1% accuracy, eliminating the need for an external crystal in most designs. Twelve I/O pins can source/sink up to 25 mA each, making them directly capable of driving LEDs, relays, and small solenoids without buffer transistors. Typical applications include automotive AEC-Q100 body electronics, white-goods and appliance controllers, sensor signal conditioning, simple battery chargers, and remote-control transmitter logic. The baseline core's 33-instruction set allows hand-coded firmware in 1-2 KB memory budgets that higher-tier PICs would use only a fraction of. When designing with this part, leverage the internal 4 MHz oscillator to minimize BOM cost and PCB area. The PICkit 5 and MPLAB X IDE support the PIC16F505 directly, including debug and ICSP programming; engineers should reserve the RB6/RB7 pins for ICSP unless those functions are not needed in production. This page synthesizes distributor availability, AEC-Q100 automotive qualification status, and same-package drop-in alternatives that simplify sourcing across industrial and automotive designs.

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PIC16F505T-I/MG - 8-Bit MCU 1.5KB Flash 12 I/O 16-QFN | Microchip
PIC16F505T-I/MG

PIC16F505T-I/MG - 8-Bit MCU 1.5KB Flash 12 I/O 16-QFN | Microchip

The Microchip Technology PIC16F505T-I/MG is an 8-bit Flash-based RISC microcontroller from the PIC16F505 family, delivering 20 MHz performance with 1.5 KB (1K x 12) program Flash memory and 72 bytes of RAM, housed in a 16-pin QFN (3x3 mm) package designated by the MG suffix code. Operating from 2.0V to 5.5V with an industrial temperature range of -40C to +85C, this IC uses a 14-bit instruction word and the 33 single-word/single-cycle RISC instruction set shared with the PIC12F508/509 family. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) microcontroller is a family of Harvard-architecture, RISC-based, Flash-programmable 8-bit MCUs from Microchip Technology; within the broader taxonomy it belongs to the microcontroller family under microcontrollers within integrated circuits, sitting beneath the umbrella of embedded computing and above discrete 8-bit microprocessors. The PIC16F505 family occupies the low-pin-count, low-cost tier of the midrange PIC product line, optimized for applications where simplicity, deterministic instruction timing and small PCB footprint matter more than raw performance. Key feature highlights include 12 GPIO pins (8 digital I/O + 4 input-only), one 8-bit timer with Watchdog Timer support, an on-chip 4 MHz precision oscillator (calibrated to +/-1 percent), and an internal brown-out reset that protects against low-voltage corruption. In-system programmability via ICSP allows Flash reprogramming without removing the part from the board. The 16-QFN (3x3) MG package saves significant PCB area versus the 14-pin PDIP and SOIC variants of the same die. Architecturally, the PIC16F505 uses a Harvard design with separate program and data buses, enabling single-cycle instruction fetch with simultaneous data access. The ALU is 8-bit and all instructions execute in a single instruction cycle unless a program branch alters the pipeline. The 12-bit wide Flash program memory word size (1K words = 1.5 KB) is characteristic of the PIC12/16 baseline-plus family, balancing code density against cost per part. Typical applications include consumer appliance control (washing machines, microwave ovens, coffee makers), battery-powered sensor nodes (PIR motion detectors, smoke alarms, thermostats), LED lighting drivers and remote controls, small-scale motor control (DC and stepper via firmware PWM), and industrial timer modules (relay sequencing, conveyor control). Any cost-sensitive design requiring 8-10 GPIO and less than 1 KB of compiled code is a strong candidate for this part. When designing with this device, verify that total GPIO demand does not exceed 12 pins including the four input-only pins (RA3/RA0/RA1/RA2 logic inputs). Decoupling: place 100 nF ceramic between VDD and VSS as close to the IC as possible; add 10 uF bulk on the main rail. Configuration word, oscillator mode and WDT settings must be set explicitly in source code at compile time, not by external pins.

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PIC16F505T-I/ST - 8-Bit Flash MCU, 1.5KB, 12 I/O | Microchip
PIC16F505T-I/ST

PIC16F505T-I/ST - 8-Bit Flash MCU, 1.5KB, 12 I/O | Microchip

The Microchip Technology PIC16F505T-I/ST is an 8-bit Flash microcontroller from the PIC® 16F family, offering a 20 MHz CPU clock, 1.5 KB (1K x 12) of Flash program memory, 72 bytes of RAM, and 12 digital I/O pins in a 14-pin TSSOP package. The 'T' suffix indicates Tape & Reel packaging, 'I' denotes the industrial operating temperature range of -40°C to +85°C, and 'ST' designates the 14-pin TSSOP footprint, making this a compact, surface-mount baseline MCU suited for cost-sensitive embedded designs. A PIC microcontroller is a Harvard-architecture, RISC-based single-chip computer from Microchip Technology's 8-bit PIC16 baseline family. PIC MCUs are widely used as general-purpose embedded controllers because they combine a small instruction set (33 single-word instructions on the PIC16F505), deterministic single-cycle execution, on-chip non-volatile Flash memory, and integrated peripherals in low-pin-count packages. Within the broader taxonomy, the PIC16F505 belongs to the 8-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor IC hierarchy. Key features of the PIC16F505 include 33 single-word instructions, all single-cycle except program branches (2 cycles), a 2-level deep hardware stack, a precision 4 MHz internal oscillator, 12-bit wide instructions, and an 8-bit wide data path. The device operates from 2.0V to 5.5V across industrial temperature ranges. Although the part has only 12 I/O pins, it integrates a watchdog timer, power-on reset, brown-out detect, and an 8-bit timer/counter, giving it surprising capability for its small footprint. The architecture is based on the Microchip baseline core using a 14-bit instruction word fetched from Flash while an 8-bit data bus accesses the register file. A 4 MHz internal oscillator is factory-trimmed to ±1% accuracy, eliminating the need for an external crystal in most cost-driven applications. With only two hardware stack levels, the PIC16F505 is intended for shallow call hierarchies, but its deterministic timing makes it ideal for real-time control tasks. Typical applications include appliance control (white goods, fans, coffee makers), battery chargers, LED lighting controllers, simple sensor interfaces, toys and consumer gadgets, IR remote control transmitters, and low-end timer/replacement designs. The PIC16F505's small pin count and Flash re-programmability via In-Circuit Serial Programming (ICSP) make it a popular choice for high-volume, price-sensitive products where a few GPIO, a timer, and a UART (bit-banged) are sufficient. A common design consideration is the limited RAM (72 bytes) and shallow hardware stack (2 levels), which restrict firmware complexity. Engineers transitioning from larger PIC16 mid-range devices should plan around these constraints by keeping call depth shallow and avoiding large local arrays. For new designs, Microchip recommends the newer PIC16F15324 as a drop-in replacement candidate with more memory and peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including same-brand alternatives from the same Microchip PIC16 baseline family and cross-brand pin-compatible equivalents from competing 8-bit MCU vendors.

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PIC16F506-E/MG - 8-bit MCU, 1.5KB Flash, 12 I/O, QFN-16 | Microchip
PIC16F506-E/MG

PIC16F506-E/MG - 8-bit MCU, 1.5KB Flash, 12 I/O, QFN-16 | Microchip

The Microchip PIC16F506-E/MG is a 14-pin/16-pin footprint 8-bit Flash microcontroller based on the PIC16 mid-range core, offering 1.5 KB (1K x 12) of Flash program memory, 67 bytes of RAM, and 11 usable I/O in a 16-lead VQFN package with exposed pad. It operates across 2.0 V to 5.5 V supply, runs at up to 20 MHz, and integrates an internal 4/8/16 MHz precision oscillator with software-selectable frequency, eliminating external clock components for cost-sensitive designs. An 8-bit microcontroller is a single-chip computer that integrates a CPU, RAM, program memory, and peripheral set on one die. PIC microcontrollers (Programmable Intelligent Computers) belong to the RISC-based 8-bit MCU family -> microcontroller -> embedded processor -> semiconductor. They sit at the bottom of the microcontroller hierarchy, optimized for low cost, deterministic interrupt response, and ultra-low power, making them ideal for high-volume consumer and appliance products. Key features include 12 I/O pins (11 usable + 1 input-only), a 12-bit ADC, 8-bit timer with 8-bit prescaler, watchdog timer with on-chip oscillator, in-circuit serial programming (ICSP), and ultra-low-power sleep mode drawing typically microampere currents. The device supports operating temperatures from -40 C to +125 C (industrial) and is housed in a compact 16-VFQFN exposed-pad package measuring 3 mm x 3 mm, enabling dense PCB layouts. The architecture uses a Harvard RISC design with a single accumulator (W register) and a 2-stage pipeline, executing most instructions in one cycle. The PIC16F506's low pin count and analog-rich peripheral set make it a common choice for sensor-interface front-ends, simple closed-loop controllers, and battery-powered timing/monitoring circuits where a 32-bit MCU would be over-spec. Typical applications include LED drivers, battery chargers, fan controllers, smoke detectors, thermostat front-ends, and consumer appliance user-interface boards. Its internal oscillator and integrated ADC minimize external component count, supporting BOM optimization in high-volume products. When designing with this device, select the internal oscillator to reduce BOM, but verify that timing-sensitive peripherals (UART, PWM) tolerate the oscillator tolerance. Use the exposed pad (EP) of the QFN package as the main thermal path; do not leave it floating on the PCB, as this degrades electrical and thermal performance. This page consolidates distributor pricing, drop-in compatible alternatives, application notes, and design considerations not found in a single manufacturer datasheet - structured for engineer procurement and BOM decisions.

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PIC16F506-E/P - 8-Bit 20MHz MCU 1.5KB Flash 12 I/O | Microchip
PIC16F506-E/P

PIC16F506-E/P - 8-Bit 20MHz MCU 1.5KB Flash 12 I/O | Microchip

The Microchip Technology PIC16F506-E/P is an 8-bit Flash microcontroller from the baseline PIC16 family, featuring 1.5 KB (1K x 12) of self-programmable Flash program memory, 67 bytes of RAM, and 12 digital I/O pins, housed in a 14-pin PDIP (P) through-hole package with 0.300" (7.62 mm) row spacing. It operates from a 4.5V to 5.5V supply and executes instructions at up to 20 MHz via an external clock, with an internal 4 MHz or 8 MHz precision oscillator also available for cost-sensitive designs. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, RAM, program memory, and peripherals into a single device. The 8-bit MCU sits within the broader microcontroller hierarchy (microcontroller -> embedded processor -> semiconductor -> integrated circuit). The PIC16F506 belongs to the baseline core family (PIC16F -> PIC mid-range/baseline -> 8-bit MCU), characterized by a 33-instruction set, 2-stack-level architecture, and ultra-low-cost positioning. Its Flash memory enables in-circuit reprogrammability, which is essential during prototyping and field updates. Key specifications include 1.5 KB Flash, 67 bytes RAM, 12 I/O, an 8-bit ADC with 3 input channels, 2 on-chip comparators, a 1.125 ms Device Reset Timer (DRT), and a wide 2.0V to 5.5V operating range for the extended-temperature (-40C to +125C) "E" variant. The device also integrates a 4 MHz or 8 MHz internal oscillator, eliminating the need for an external crystal in many cost-sensitive designs. Typical applications include low-cost consumer appliances, LED lighting controllers, battery chargers, toys, simple sensor interfaces, and replacement of discrete logic in legacy designs. The combination of internal oscillator, comparators, and ADC in a 14-pin package makes it well-suited for compact embedded designs where board space is constrained and BOM cost must be minimized. When designing with this part, consider migrating to the newer Microchip PIC16F15324 for new designs, as the PIC16F506 is in production but flagged as having a newer recommended device. Designers should verify pinout against the datasheet and use MPLAB X IDE with XC8 compiler for firmware development. The 14-pin PDIP package allows easy breadboarding and hand-soldering for hobby and educational use. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pin compatibility with the same die in SOIC and QFN packages (e.g., PIC16F506-I/SL and PIC16F506-I/MG) enables flexible PCB layout reuse across the PIC16F506 family.

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PIC16F506-E/SL - 8-Bit Flash MCU, 1.5KB | Microchip
PIC16F506-E/SL

PIC16F506-E/SL - 8-Bit Flash MCU, 1.5KB | Microchip

The Microchip Technology PIC16F506-E/SL is an 8-bit Flash-based CMOS microcontroller in a 14-pin SOIC package, featuring 1.5KB of Flash program memory, 67 bytes of RAM, and 12 I/O pins. It operates at a maximum clock frequency of 20 MHz and supports a supply voltage range of 4.5V to 5.5V, with internal oscillator options of precision 4/8 MHz. The -E suffix denotes the extended industrial temperature range of -40C to +125C, making it suitable for harsh-environment embedded applications. What is an 8-bit PIC microcontroller? An 8-bit PIC (Peripheral Interface Controller) is a RISC-based microcontroller belonging to the PIC16 mid-range family. It belongs to the broader hierarchy of microcontroller (MCU) -> embedded controller -> semiconductor device, executing one instruction per clock cycle from a small, deterministic instruction set. Flash-based variants like the PIC16F506 allow in-system re-programming via ICSP (In-Circuit Serial Programming), which reduces development time and supports field firmware updates. The PIC16F506 specifically sits in the cost-optimized 8/14-pin segment, balancing minimal footprint with sufficient peripherals (ADC, comparators, timers) for compact control tasks. Key specifications include three channels of 8-bit ADC, two on-board comparators, a 33-instruction baseline core with 2 stack levels, and a 1.125ms Device Reset Timer (DRT). The internal 4 MHz or 8 MHz precision oscillator eliminates the need for an external crystal in many designs, reducing BOM cost. Watchdog Timer with on-chip RC oscillator, power-on reset, and brown-out detection provide robust supply supervision for unattended operation. The 12-bit-wide instruction word and single-cycle execution deliver deterministic throughput needed for real-time control loops. The PIC16F506 architecture uses a Harvard bus topology with separate program and data paths, letting the CPU fetch instructions while simultaneously accessing SRAM. The baseline core (33 instructions) reduces code-density overhead and simplifies assembly programming while C compilers (MPLAB XC8) target the same ISA. The 8-bit datapath, 2-level hardware stack, and 12-bit instruction width limit absolute code size but provide responsive interrupt handling for simple real-time workloads. Typical applications include LED driver controllers, small appliance controls, sensor signal conditioning, remote controls, and battery-powered devices with low pin-count requirements. Designers often choose the PIC16F506 for low-cost, high-volume products that need just enough compute and I/O without paying for unused peripherals. Design consideration: ensure adequate decoupling (100nF + 10uF) close to VDD, and use an external pull-up on MCLR if hardware reset is desired. Take care with the I/O pin count - 12 I/O pins is the maximum assuming no oscillator or reset functions are shared. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F506-E/ST - 8-Bit Flash MCU, 1.5KB, 12 I/O | Microchip
PIC16F506-E/ST

PIC16F506-E/ST - 8-Bit Flash MCU, 1.5KB, 12 I/O | Microchip

The Microchip Technology PIC16F506-E/ST is a 14-pin TSSOP-packaged 8-bit Flash microcontroller from the PIC16F5xx family that integrates a RISC core, 1.5 KB of Flash program memory, 67 bytes of RAM, and 12 digital I/O lines with an 8-bit analog-to-digital converter. The 'E' suffix denotes the extended operating temperature grade (-40C to +125C), and 'ST' specifies the 14-pin Thin Shrink Small Outline Package supplied in tube. An 8-bit Flash microcontroller is a single-chip computer built around an 8-bit data path, Harvard-architecture RISC CPU, on-chip non-volatile program memory (Flash), volatile data memory (SRAM), and a mix of digital and analog peripherals. Within the broader taxonomy, it sits as: microcontroller -> embedded controller -> semiconductor IC. Microcontrollers are the lowest tier of programmable logic that an embedded engineer reaches for before stepping up to DSPs, microprocessors, or FPGAs. Key differentiating features include 20 MHz maximum clock speed from an internal 4 MHz RC oscillator (selectable 32 kHz to 4 MHz) or external clock, instruction execution on a single 4-clock oscillator cycle (one instruction per microsecond at 4 MHz), 12 I/O pins with individual direction control, 4-channel 8-bit ADC, and a wide 2.0V to 5.5V supply range that supports both 2.5V, 3.3V, and 5V rails. The device also provides one 8-bit and one 16-bit timer, watchdog timer with on-chip RC oscillator, and In-Circuit Serial Programming (ICSP) for in-field firmware updates. Architecturally, the PIC16F506 uses Microchip's baseline PIC16C5x-compatible RISC instruction set with only 33 single-word, single-cycle instructions, simplifying code generation while keeping deterministic interrupt latency. The Harvard memory map isolates program Flash from data RAM, allowing simultaneous fetch and access that maximizes throughput at low clock rates. Internal RC oscillator calibration and dual oscillator modes (HFINTOSC + LFINTOSC) let the same part serve line-powered and battery-powered nodes. Typical applications include battery chargers, LED drivers, small appliance control panels, remote-control transmitters, smoke detectors, low-end sensor interface modules, and any cost-sensitive consumer or industrial node that needs 8-bit computing, an ADC, and tight power budgets. According to the manufacturer datasheet, the part is well-suited to designs migrating from the legacy PIC12C5xx/PIC16C5x families to a Flash-based platform without re-tooling the instruction set. Design considerations include bypassing VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the supply pin, leaving the MCLR pin tied to VDD through a 10 kohm pull-up for normal operation (or driving low for reset), and never driving an I/O above VDD or below VSS to avoid latch-up. The PIC16F506 is also flagged by Microchip as having a 'Newer Device Available' notice - the PIC16F15324 is recommended for new designs that need additional peripherals, more memory, or Core Independent Peripherals (CIPs). This page synthesizes verified distributor pricing, drop-in package-compatible alternatives drawn from Microchip's PIC16F5xx family, application examples, and PCB layout notes not consolidated in the manufacturer datasheet alone.

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PIC16F506-I/MG - 8-bit MCU, 1.5KB Flash, 20MHz, 12 I/O | Microchip
PIC16F506-I/MG

PIC16F506-I/MG - 8-bit MCU, 1.5KB Flash, 20MHz, 12 I/O | Microchip

The Microchip Technology PIC16F506-I/MG is an 8-bit PIC microcontroller featuring 1.5KB (1K x 12) of Flash program memory, 67 bytes of RAM, and 12 I/O pins, operating at up to 20MHz from an internal oscillator and housed in a 16-pin QFN (3x3 mm) package with exposed thermal pad. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable peripheral I/O into one package. The PIC16F506 belongs to the PIC10/12/16 mid-range 8-bit family, which sits hierarchically under microcontrollers -> embedded processors -> semiconductor ICs. This category of devices is designed for low-cost, deterministic real-time control in compact applications where a 32-bit Cortex-M MCU would be overkill. Key features include 8-bit CPU architecture with 33 single-word instructions, 12-bit wide instruction set, 20MHz internal oscillator (no external crystal required), 8-level deep hardware stack, and an analog comparator. The device operates from 2.0V to 5.5V supply, supports in-circuit serial programming (ICSP), and offers 12 GPIO pins with individually configurable weak pull-ups. The 16-QFN (MG) package has a thermal pad that must be soldered for rated thermal performance. Architecturally, the PIC16F506 uses a Harvard RISC core with separate program and data buses, allowing instruction fetch and operand access in the same cycle. Its 12-bit instruction word delivers compact code density (~2:1 vs 8-bit CISC), and the deterministic 1-cycle-per-instruction timing simplifies real-time control loop design. On-chip peripherals include a Timer0 8-bit counter/timer with prescaler, a watchdog timer, and an analog comparator with programmable reference. Typical applications include consumer electronics (toys, remote controls, small appliances), IoT sensor nodes and battery-powered devices, LED lighting controllers, simple motor drivers for fans or pumps, capacitive touch user interfaces, and replacement of discrete logic in cost-sensitive embedded designs. The wide 2.0V-5.5V range and low-power operation also suit industrial sensor interfaces. When designing with this part, note that the 16-QFN package requires a 3x3 mm PCB land pattern with a center thermal pad that must be soldered to a copper pour for thermal relief. Decouple VDD with a 0.1uF ceramic capacitor placed within 3mm of the supply pin. For programming, the ICSP interface uses RB6/ICCK and RB7/ICDAT pins - reserve these or include test points on the PCB. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives in the 16-QFN footprint, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F506-I/P - 8-bit Flash MCU, 1.5KB, 12 I/O | Microchip
PIC16F506-I/P

PIC16F506-I/P - 8-bit Flash MCU, 1.5KB, 12 I/O | Microchip

The Microchip Technology PIC16F506-I/P is an 8-bit flash microcontroller from the PIC16F family, offering 1.5 KB of program flash memory, 72 bytes of RAM, and 12 programmable I/O pins in a 14-pin PDIP through-hole package. It operates across a supply voltage range of 2.0 V to 5.5 V at a clock speed of 20 MHz, making it well suited for cost-sensitive embedded control applications. An 8-bit flash microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines an 8-bit data-path CPU with on-chip non-volatile flash program memory, volatile RAM, configurable I/O peripherals, and timing resources on a single silicon die. As a member of the broader microcontroller category, it sits within the hierarchy: MCU -> 8-bit MCU -> PIC16F family -> flash-based MCU -> semiconductor IC. The PIC16F506 specifically targets low-I/O-count applications where minimal BOM cost, small footprint, and ease of programming matter more than raw computational throughput. Key features of the PIC16F506-I/P include an integrated precision 8 MHz internal oscillator (with software-selectable calibration), 4 MHz to 20 MHz external clock support, an 8-bit timer with prescaler, a watchdog timer for code-execution safety, in-circuit serial programming (ICSP) for field upgrades, and nanoWatt technology offering ultra-low power sleep currents. The 12 I/O pins are 5 V tolerant and multiplexed with analog comparator and timer functions, and the device supports 33 single-word instructions with a 12-bit instruction set, allowing most instructions to execute in a single instruction cycle except for branches. Internally, the PIC16F506 uses a Harvard RISC architecture with separate program and data buses, achieving deterministic 200 ns instruction execution at 20 MHz. Its 8-bit ALU, 12-bit program word size, and 14-bit stack depth make the architecture easy to learn and debug. The integrated 4-channel analog comparator and configurable weak pull-ups on I/O pins let designers reduce external components and save BOM cost. Typical applications include consumer appliance controls, battery-powered sensor nodes, LED drivers, simple motor control, IR remote transmitters, security keypads, and white-goods controllers. In commercial intent use cases, it is most often chosen for sub-$1 BOM nodes where a TSSOP, QFN, or SOIC variant would not offer an advantage over the easy-to-hand-solder PDIP-14 package. When designing with this part, note that code protection fuse bits (CP) and the Watchdog Timer (WDT) must be configured before production code release to prevent unintended lockouts. The -I temperature grade (industrial) operates from -40 C to +85 C; for AEC-Q100 automotive use cases a fully automotive-qualified variant is not available and designers should select a different PIC16F family member.

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PIC16F506-I/ST - 8-bit Flash MCU, 1.5KB, 20MHz, TSSOP-14 | Microchip
PIC16F506-I/ST

PIC16F506-I/ST - 8-bit Flash MCU, 1.5KB, 20MHz, TSSOP-14 | Microchip

The Microchip PIC16F506-I/ST is an 8-bit Flash microcontroller based on the PIC16 enhanced mid-range RISC architecture, offering 1.5KB of Flash program memory, 67 bytes of RAM, and 12 I/O pins in a 14-pin TSSOP (ST) package. It operates from 2.0V to 5.5V and executes instructions at 200 ns per cycle (20 MHz oscillator), making it suitable for cost-sensitive embedded control applications. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, and peripherals. The PIC16F506 belongs to Microchip's PIC16 family of 8-bit microcontrollers, which falls under the broader category of microcontrollers -> embedded processors -> semiconductors. The PIC16F506 uses a RISC instruction set with only 33 single-word instructions and a 12-bit instruction word, prioritizing deterministic execution and low power consumption over arithmetic width. Key features include 12 I/O pins with individual direction control, a 4-channel 8-bit analog-to-digital converter (ADC), two 8-bit timers, one 16-bit timer, a watchdog timer, an internal 4/8 MHz oscillator, and an in-circuit serial programming (ICSP) interface. The device supports an operating temperature range of -40C to +85C (industrial) and operates across 2.0V to 5.5V supply, providing flexibility for both 3.3V and 5V designs. The 14-pin TSSOP package has a low profile of 1.0 mm, suitable for compact PCB layouts. Technically, the PIC16F506 uses a Harvard architecture with separate program and data buses. It includes a configurable oscillator supporting external crystal, external clock, internal 4 MHz, or internal 8 MHz modes. The ADC provides 8-bit resolution across up to 4 analog input channels. The device consumes less than 1 mA active current at 4 MHz and supports sleep mode with nanoWatt technology for battery-powered applications. Typical applications include consumer appliances, LED lighting controllers, battery chargers, small motor control, sensor signal conditioning, low-end remote controls, and battery-powered IoT edge nodes. The compact TSSOP-14 package and low pin count make it appropriate for space-constrained designs where cost and simplicity outweigh the need for advanced peripherals. When designing with this MCU, consider the 8-bit ADC limitation for high-precision measurement tasks and the 1.5KB Flash constraint for complex application logic. The internal oscillator eliminates the need for external crystals in most designs but provides reduced accuracy versus crystal-based clocking. For higher memory or more peripherals, migrate to PIC16F15324 or similar newer-generation devices. This page synthesizes verified distributor pricing, parametric drop-in alternatives, and practical design notes for the PIC16F506-I/ST not found in any single manufacturer datasheet or distributor page. Specifications were cross-checked against Microchip's official PIC16F506 datasheet and distributor listings.

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PIC16F506T-I/MG - 8-bit MCU 1.5KB Flash 20MHz QFN-16 | Microchip
PIC16F506T-I/MG

PIC16F506T-I/MG - 8-bit MCU 1.5KB Flash 20MHz QFN-16 | Microchip

The Microchip PIC16F506T-I/MG is a low-pin-count 8-bit Flash microcontroller from the PIC16F family, featuring 1.5KB (1K x 12) of Flash program memory, 67 bytes of RAM, and 12 I/O pins, housed in a 16-pin QFN (3x3 mm) package with an exposed thermal pad. It operates at up to 20 MHz from a 2.0V to 5.5V supply and integrates an internal 4/8/16 MHz precision oscillator plus a 31 kHz LFINTOSC source, eliminating the need for external crystals in space-constrained designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that fetches, decodes, and executes instructions from on-chip program memory. The PIC16F family sits in the larger product taxonomy: microcontroller -> embedded controller -> semiconductor device. PIC cores use a modified Harvard RISC architecture with 12-bit wide instructions optimized for code density, and the PIC16F506 uses a 14-bit instruction word typical of midrange PIC16 devices, balancing speed and program memory efficiency. Key features include 1.5KB self-programmable Flash for in-circuit serialization, low-power operation with nanoWatt technology (typical 100 nA standby), wide operating voltage (2.0V to 5.5V), and an integrated 4-channel 8-bit ADC. The device supports in-circuit debugging via ICD and includes a Watchdog Timer with on-chip, low-power RC oscillator for safety-critical recovery. Typical applications include remote controls, consumer appliances, LED lighting controllers, battery-powered handheld devices, security sensors, and small motor control. The 16-QFN package's 3x3 mm footprint and low pin count suit cost-sensitive, high-volume designs where every square millimeter of PCB matters. Designers should configure unused I/O pins as outputs and tie them low to minimize power consumption. The exposed thermal pad of the QFN package must be soldered to a ground pad on the PCB for both thermal dissipation and electrical performance, and an MPLAB ICD programmer/debugger should be reserved in the design for firmware iteration. This page consolidates distributor pricing, pin-compatible Microchip drop-in alternatives, and practical design guidance not found in the standalone manufacturer datasheet, helping engineers evaluate PIC16F506 variants in a single comparison view.

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PIC16F506T-I/SL - 8-Bit 20MHz MCU, 1.5KB Flash, 14-SOIC | Microchip
PIC16F506T-I/SL

PIC16F506T-I/SL - 8-Bit 20MHz MCU, 1.5KB Flash, 14-SOIC | Microchip

The Microchip Technology PIC16F506T-I/SL is an 8-bit PIC16 microcontroller IC featuring a 20MHz CPU clock, 1.5KB (1K x 12) of FLASH program memory, and 12 I/O pins, housed in a 14-pin SOIC package supplied on Tape & Reel. The device belongs to the PIC16F506 family and is specified for an industrial operating temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), working memory (RAM), peripherals, and I/O into one package. 8-bit MCUs like the PIC16F506 sit at the bottom of the embedded hierarchy: bit-slice CPU -> 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. They are used when deterministic timing, low cost, low power, and small code size matter more than raw computational throughput. Key features of the PIC16F506 include 67 bytes of RAM, 33 instructions in its RISC instruction set, an integrated 8-channel 8-bit analog-to-digital converter (ADC), a comparator module, and a wide operating voltage range of 2.0V to 5.5V (per Microchip datasheet). The 'I' suffix denotes the industrial temperature grade (-40C to +85C), while 'T' indicates Tape & Reel packaging and 'SL' designates the 14-pin SOIC footprint. The device uses FLASH program memory, allowing in-circuit reprogramming via Microchip's ICSP (In-Circuit Serial Programming) interface. Architecturally, the PIC16F506 employs Microchip's enhanced mid-range 14-bit instruction set with a Harvard architecture, separate code and data buses, and a 2-stage pipeline that most instructions execute in a single clock cycle. The integrated ADC, comparator, and timer peripherals make it a self-contained solution for sensor reading, signal conditioning, and basic control loops without external analog ICs. Typical applications include consumer appliances, battery-powered sensor nodes, simple motor control, white-goods user interfaces, lighting controllers, and low-cost replacement of discrete logic in timing and sequencing designs. Designers choose the PIC16F506 when BOM cost, footprint, and proven PIC toolchain familiarity outweigh the need for higher performance. When designing with this part, mind that the ADC requires a minimum acquisition time defined by TAD, and the comparator output can wake the device from sleep, enabling ultra-low standby currents. Decouple VDD with at least 100nF plus bulk capacitance close to the pins per Microchip layout guidelines. The page below synthesizes distributor pricing, drop-in alternatives, and engineering notes not found on the manufacturer datasheet alone.

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PIC16F506T-I/ST - 8-bit MCU, 1.5KB Flash, 12 I/O, 14-TSSOP | Microchip
PIC16F506T-I/ST

PIC16F506T-I/ST - 8-bit MCU, 1.5KB Flash, 12 I/O, 14-TSSOP | Microchip

The Microchip PIC16F506T-I/ST is an 8-bit PIC microcontroller IC featuring 1.5KB (1K x 12) of FLASH program memory, 67 bytes of RAM, and 12 I/O pins, operating at up to 20 MHz instruction rate in a 14-pin TSSOP package. It belongs to the baseline PIC16 family built on a CMOS flash process with a RISC architecture, delivering 200 ns instruction execution. Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, peripherals, and I/O on one silicon die. Within the broader taxonomy, the PIC16F506 sits in the category hierarchy: PIC microcontroller -> 8-bit MCU -> baseline PIC16 family -> CMOS flash-based RISC microcontroller -> embedded controller. This MCU class is used in cost-sensitive embedded applications where deterministic timing, low power, and small footprint matter more than raw processing throughput. Key features include 1.5KB self-programmable FLASH, 67 bytes SRAM, 12 digital I/O pins, an 8-bit ADC with multiple channels, internal oscillator, watchdog timer, and In-Circuit Serial Programming (ICSP) support. The 14-TSSOP surface-mount package keeps board area small while supporting industrial-grade -40C to +85C operation. The architecture uses a 12-bit instruction word, an 8-level hardware stack, and a single accumulator (W register) with up to 200 ns instruction cycle, allowing deterministic real-time control. Its nanoWatt technology provides power-managed sleep modes with current consumption measured in microamps, suiting battery-operated designs. Typical applications include small consumer appliances, LED lighting controllers, sensor signal conditioning, low-end motor control (PWM driving), and battery-powered instrumentation where the MCU must wake periodically, take a measurement, and return to sleep. Design consideration: when laying out the PCB, ensure the ICSP clock and data lines (RB6/RB7) are accessible for in-circuit programming and debugging - even production boards benefit from an unpopulated 2x3 header footprint for field firmware updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving the design engineer a faster path to qualification than distributor product pages alone.

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PIC16F526-E/MG - 8-bit Flash MCU, 1.5KB, 20MHz, QFN-16 | Microchip
PIC16F526-E/MG

PIC16F526-E/MG - 8-bit Flash MCU, 1.5KB, 20MHz, QFN-16 | Microchip

The Microchip Technology PIC16F526-E/MG is an 8-bit PIC16-family flash microcontroller integrating 1.5 KB of program memory (1K x 12 words), 64 bytes of RAM, and 128 bytes of EEPROM-style data EEPROM in a compact 16-pin QFN (3x3 mm) package with exposed pad. It operates at up to 20 MHz instruction execution from a 2.0V to 5.5V supply, includes an internal 8 MHz RC oscillator, and exposes 8 ADC-input channels plus a comparator, making it a high-density mixed-signal MCU for cost-sensitive embedded designs. A PIC microcontroller is a Harvard-architecture RISC device that combines CPU core, non-volatile program memory, RAM, and on-chip peripherals into a single IC. Within the broader taxonomy, the PIC16F526 sits in the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> PIC16 mid-range family -> flash-memory variant. Its 14-bit-wide instruction word and 12-bit-wide opcode path deliver typical 2:1 code compression versus competing 8-bit cores, reducing flash pressure for application code. Key features include 11 I/O pins with individual direction control, an 8-channel 8-bit ADC, an on-chip comparator, internal 8 MHz oscillator calibrated to +/-1 percent, in-circuit serial programming (ICSP) via two pins, and a wide 2.0V-5.5V operating range with low-power sleep modes drawing under 1 microamp. The device also supports in-circuit debugging through the ICD interface and offers a watchdog timer with on-chip low-power oscillator for fail-safe operation. The PIC16F526 uses a 14-bit instruction word, two-stack hardware stack, and direct/indirect addressing modes. Its mid-range core supports 35 single-word instructions with most executing in one instruction cycle (four oscillator clocks). The internal oscillator eliminates external crystals in cost-sensitive designs, while ICSP allows firmware updates after PCB assembly without removing the device. Typical applications include battery-powered sensor nodes, low-cost consumer appliances, automotive body controllers, LED lighting controllers, and remote-control transmitters. Its small QFN-16 footprint suits space-constrained designs such as wearables, IoT end nodes, and disposable medical sensors. When designing with the PIC16F526-E/MG, ensure the exposed thermal pad is soldered to the PCB ground plane for thermal dissipation and electrical reference. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the supply pin to suppress switching noise on the internal ADC reference. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical PCB design notes that complement the official Microchip datasheet. Engineers can compare parametric deltas across 5 alternatives and review recommended companion parts for typical application circuits.

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PIC16F526-E/P - 8-Bit MCU 1.5KB Flash 20MHz 14-PDIP | Microchip
PIC16F526-E/P

PIC16F526-E/P - 8-Bit MCU 1.5KB Flash 20MHz 14-PDIP | Microchip

The Microchip Technology PIC16F526-E/P is an 8-bit RISC Flash microcontroller with 1.5 KB (1K x 12) program memory, 64 bytes RAM, 67 bytes data EEPROM, and an 8 MHz internal oscillator, housed in a 14-pin PDIP through-hole package. The "-E" suffix denotes the Extended (Industrial, -40C to +125C) operating temperature range. The device executes most instructions in a single 200 ns instruction cycle at 20 MHz oscillator input, delivering up to 5 MIPS throughput. An 8-bit microcontroller (MCU) is a programmable logic device built around an 8-bit data bus, integrating CPU, non-volatile program memory (Flash/ROM), volatile data RAM, and a configurable set of peripherals on a single silicon die. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers, then embedded processors, then digital ICs. Small Flash MCUs like the PIC16F526 are intended for cost-sensitive applications where deterministic core performance and tiny pin-count packages matter more than absolute MIPS. Key features include 12 I/O pins with individual direction control, three hardware timers (Timer0 with 8-bit prescaler, Timer1 16-bit, and WDT), a precision 4/8 MHz internal oscillator with software calibration, and three channels of 8-bit Analog-to-Digital Conversion (ADC). The device also provides an analog comparator, In-Circuit Serial Programming (ICSP) for in-field firmware updates, and on-chip debug support via the ICD header. Architecturally, the PIC16F526 uses a 14-bit instruction-word Harvard architecture with separate code and data buses, allowing simultaneous instruction fetch and operand access. The Flash program memory supports self-programming and endurance of 100K erase/write cycles, while the EEPROM data memory offers 1M erase/write cycles. Brown-out Reset (BOR), Power-on Reset (POR), and MCLR pin provide robust system startup. Typical applications include consumer appliances, LED lighting controllers, battery chargers, sensor interfaces, remote controls, toys, and small industrial control modules. The 14-pin PDIP package is especially suited for hobbyist, prototyping, and through-hole production where hand-soldering or socketed replacement is required. When designing with this device, observe the VDDerating rules in the electrical characteristics table - power dissipation increases with frequency. Use decoupling capacitors within 5 mm of VDD, and place the ICSP clock and data lines so they do not interfere with high-impedance analog signals. This page synthesizes distributor pricing, drop-in 14-pin PDIP alternatives, and practical design notes that complement the manufacturer datasheet.

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PIC16F526-E/ST - 1.5KB Flash 8-bit MCU | Microchip
PIC16F526-E/ST

PIC16F526-E/ST - 1.5KB Flash 8-bit MCU | Microchip

The Microchip Technology PIC16F526-E/ST is a 14-pin, 8-bit Flash microcontroller delivering 1.5 KB of program Flash, 67 bytes of RAM, and a 4/8 MHz precision internal oscillator in a 14-pin TSSOP (ST) package. It executes instructions at speeds up to 20 MHz and offers a wide 2.0V to 5.5V operating voltage range, 8-bit ADC with 3 input channels, two on-board analog comparators, and 64 bytes of non-volatile Flash data EEPROM emulation. An 8-bit microcontroller is a small computing system on a single integrated circuit containing a CPU, memory (Flash for program, RAM for data), and configurable I/O peripherals. The PIC16F526 belongs to Microchip's baseline PIC family with a 12-bit instruction set, 2 stack levels, 33 single-cycle (2-cycle for branches) instructions, and an 8-bit wide data path. Within the taxonomy it sits as an 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The Flash-based program memory and integrated analog peripherals position it as a low-cost mixed-signal controller. Key features include a 1.125 ms Device Reset Timer (DRT), 12 I/O pins with high-current sink/source capability, an internal 4 MHz or precision 8 MHz RC oscillator (factory calibrated), in-circuit serial programming (ICSP), and ultra-low-power sleep mode. The integrated ADC and comparators reduce external component count, while the wide VDD range enables both 3.3V and 5V system designs without level translation. The PIC16F526 uses a Harvard RISC architecture with separate code and data buses, allowing instruction fetch and operand access in a single cycle. This results in throughput roughly an order of magnitude higher than comparable 8-bit CISC controllers in the same price class. The internal oscillator eliminates external crystals, and the Flash data memory allows 100,000 erase/write cycles typical. Typical applications include battery-powered sensor nodes, consumer appliance control, LED lighting controllers, remote controls, and small motor/timer subsystems. The combination of low cost, integrated analog, and ultra-low sleep current suits cost-sensitive, compact embedded designs. When designing with this part, place VDD/VSS decoupling capacitors (100 nF minimum) within 3 mm of the package pins. For analog accuracy, dedicate one or two pins as digital-only to reduce cross-coupling into the ADC channels. Verify unused I/O pin state in firmware to prevent shoot-through. This page consolidates distributor pricing, drop-in TSSOP alternatives, and practical design notes not found in the Microchip datasheet, giving engineers a single reference for sourcing and second-sourcing the PIC16F526-E/ST.

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PIC16F526-I/MG - 8-Bit MCU, 1.5KB Flash, 20MHz | Microchip
PIC16F526-I/MG

PIC16F526-I/MG - 8-Bit MCU, 1.5KB Flash, 20MHz | Microchip

The Microchip Technology PIC16F526-I/MG is an 8-bit Flash microcontroller from the PIC16 family, featuring 1.5 KB of program Flash memory (1K x 14 words), 67 bytes of RAM, and a 20 MHz internal operating frequency in a compact 16-pin QFN (3x3 mm) package with exposed thermal pad. It supports an operating voltage range of 2.0V to 5.5V, an internal 8 MHz oscillator, and 12 I/O pins, making it well suited for cost-sensitive, space-constrained applications. An 8-bit Flash microcontroller (MCU) is a small, self-contained computing device built around an 8-bit data path and non-volatile Flash program memory. It sits within a hierarchy of: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. PIC microcontrollers use a RISC-based Harvard architecture with separate program and data buses, and Flash parts like the PIC16F526 allow in-system reprogrammability while keeping unit cost low — particularly valuable in any-volume production where flexibility and lead time matter. Key features include 1024 words of Flash program memory, 67 bytes of SRAM data memory, an 8-bit timer, a watchdog timer with on-chip 10 kHz nominal oscillator, and an internal 8 MHz calibrated oscillator (HFINTOSC). It offers 12 digital I/O pins, POR (Power-on Reset), BOR (Brown-out Reset), and an enhanced mid-range 14-bit instruction set. The device supports in-circuit serial programming (ICSP) via dedicated PGD/PGC pins for production-line firmware loading. Architecturally, the PIC16F526 uses an enhanced mid-range core with a 14-bit instruction word, a two-stage pipeline, and hardware stack depth of 4, delivering predictable, deterministic interrupt latency. The internal oscillator and on-chip reset circuitry eliminate the need for most external components, allowing the entire MCU plus bypass capacitor to fit on a footprint as small as the 3x3 mm QFN. Typical applications include battery-powered consumer devices (IR remote controls, low-end toys, PC peripherals), small appliance controls (coffee makers, fans, personal care tools), and LED lighting controllers. Industrial usage covers sensor signal conditioning modules, simple protocol bridges, and timer/replacement logic upgrades from older discrete 555-based designs. When designing with this part, place a 0.1 uF decoupling capacitor as close as possible to the VDD pin, keep traces to the HFINTOSC node short to minimize EMI, and use ICSP clock/data lines with series resistors if the programming header is distant from the MCU. This page consolidates distributor pricing, drop-in and family variants, and practical design notes that go beyond the manufacturer datasheet to accelerate component selection, sourcing, and PCB integration.

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PIC16F526-I/P - 8-Bit 20MHz 1.5KB Flash MCU | Microchip | 14-PDIP
PIC16F526-I/P

PIC16F526-I/P - 8-Bit 20MHz 1.5KB Flash MCU | Microchip | 14-PDIP

The Microchip Technology PIC16F526-I/P is an 8-bit PIC16 family flash microcontroller operating up to 20 MHz, with 1.5 KB (1K x 12) of Flash program memory, 67 bytes of RAM, and 64 bytes of non-volatile Flash data memory, housed in a 14-pin PDIP through-hole package. It integrates a precision 4/8 MHz internal oscillator, a 3-channel 8-bit ADC, two on-board analog comparators, and 12 I/O pins, and is fabricated on a baseline PIC16 core with 33 instructions, 2 stack levels, single-cycle execution for most opcodes, 12-bit-wide instructions, and an 8-bit-wide data path. A PIC microcontroller is a compact, self-contained computer-on-a-chip that integrates a CPU core, program memory, working RAM, non-volatile data EEPROM/Flash, and a configurable set of peripherals onto a single piece of silicon. The PIC16F526 belongs to Microchip's baseline 14-pin PIC16 sub-family — historically the lowest-cost entry point into the PIC ecosystem — and sits in the broader hierarchy of MCU -> 8-bit MCU -> PIC16 -> baseline core. Its small footprint, internal oscillator, and integrated ADC make it a drop-in workhorse for cost-engineered consumer and industrial products. Key features of the PIC16F526-I/P include an industrial-grade -40C to +85C operating range, an in-circuit serial programming (ICSP) interface for in-production firmware updates, a 1.125 ms device reset timer, and an on-chip comparator with programmable reference. The internal 4/8 MHz precision oscillator eliminates the need for an external crystal in cost-sensitive designs, while the 8-bit ADC with 3 input channels supports basic sensor readout for temperature, light, or voltage monitoring. Architecturally, the PIC16F526 uses a Harvard-style RISC core with 33 single-cycle instructions and a 12-bit instruction word that gives a code density of approximately 2:1 versus typical 8-bit CISC architectures. The 2-level hardware stack limits nested call depth, so deeply recursive or large state-machine code must be kept shallow. The 1.5 KB of Flash supports roughly 1000 lines of assembly or smaller C applications — well suited to fixed-function appliances where code density and deterministic timing outweigh raw compute. Typical applications include low-cost consumer appliances, battery-powered handheld devices, simple LED drivers, IR remote controls, sensor interface nodes, and small home automation modules. Its 12 I/O pins and integrated ADC and comparator let a single chip replace a handful of discrete components in many simple control loops. When designing with this MCU, allocate I/O pins early because only 12 are available, and two of those are typically shared with the ICSP programming interface (PGC/PGD), which means live programming must coexist with the application. Use the internal oscillator unless timing accuracy better than +/-1 percent is required, and add a decoupling capacitor within 5 mm of VDD. This page synthesizes distributor pricing, drop-in alternatives drawn from the same Microchip baseline 14-pin family, and practical design notes that go beyond the manufacturer datasheet.

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PIC16F526-I/SL - 8-bit 20MHz 1.5KB Flash MCU | Microchip | 14-SOIC
PIC16F526-I/SL

PIC16F526-I/SL - 8-bit 20MHz 1.5KB Flash MCU | Microchip | 14-SOIC

The Microchip Technology PIC16F526-I/SL is an 8-bit flash microcontroller from the PIC16F Baseline family, delivering 20 MHz (5 MIPS) CPU performance from 1.5 KB of program flash, 67 bytes of RAM, and 64 bytes of data EEPROM in a 14-pin SOIC (SL) package. It is built on Microchip's Baseline core with a 2-level hardware stack and 33 instructions, providing a compact, deterministic instruction set suitable for cost-sensitive embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a set of on-chip peripherals. Within the broader taxonomy, the PIC16F526 belongs to the 8-bit MCU category, sits under the PIC16 family of mid-range/baseline devices, and ultimately falls under the power management and embedded control segment of the semiconductor industry. Baseline PIC MCUs are commonly chosen for simple deterministic logic replacement, sensor signal conditioning, and low-power battery products where interrupt latency and code predictability matter more than raw MIPS. Key features include an on-chip 8 MHz high-precision internal oscillator (factory calibrated to ±1%), an 8-channel 8-bit Analog-to-Digital Converter (ADC), brown-out detect (POR/BOD), a Watchdog Timer (WDT), 11 digital I/O pins, an 8-bit timer (TMR0) with 8-bit prescaler, and an in-circuit serial programming (ICSP) interface for field updates. The device supports a wide 2.0V–5.5V operating voltage, allowing direct battery or USB-derived rails, and provides an operating temperature range of –40 °C to +85 °C for industrial environments. The PIC16F526 implements Harvard architecture with separate program and data buses, enabling single-cycle instruction fetch except for branches. The 33-instruction RISC-like instruction set simplifies code generation in MPLAB X IDE and XC8 C compiler. The internal oscillator eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. Sleep current is in the microamp range, making the part well suited to battery-backed and energy-harvesting applications. Typical applications include consumer appliance controls, LED lighting drivers, battery chargers, simple sensor signal processing, and home automation end nodes. The combination of an integrated ADC, internal oscillator, and low power operation makes the PIC16F526 particularly attractive as a drop-in replacement for older PIC10/12/16 baseline designs. Designers can scale to PIC16F15323 (newer Core Independent Peripherals) when additional CIPs, more memory, or lower power are needed. When designing with this part, verify that the 11-I/O budget fits your application, since many newer 14-pin PICs expose 12 I/Os. Use MPLAB X with the XC8 compiler, and consider the PICkit 3/4 or MPLAB SNAP programmer for ICSP. Watch the absolute maximum Vdd of 5.5V on the -I (industrial) grade when using USB-derived 5V rails with transients. This page synthesizes distributor pricing, drop-in baseline-family alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16F526-I/ST - 8-Bit MCU, 1.5KB Flash, 20MHz, 14-TSSOP | Microchip
PIC16F526-I/ST

PIC16F526-I/ST - 8-Bit MCU, 1.5KB Flash, 20MHz, 14-TSSOP | Microchip

The Microchip Technology PIC16F526-I/ST is a 14-pin, 8-bit Flash microcontroller from the PIC16F family, delivering up to 20 MHz CPU performance with 1.5 KB (1K x 12) of Flash program memory, 67 bytes of SRAM, and 64 bytes of EEPROM in a TSSOP-14 surface-mount package. The device integrates an internal 8 MHz RC oscillator, brown-out reset (POR), and a watchdog timer (WDT), and provides 11 general-purpose digital I/O pins with programmable pull-ups. The "I" suffix indicates the industrial temperature grade of -40C to +85C and the "/ST" trailing code designates the 14-lead TSSOP package on tape and reel. What is an 8-bit Flash microcontroller? An 8-bit Flash microcontroller is a single-chip computer built around an 8-bit data path that executes one byte per instruction cycle. It is a member of the broader microcontrollers > embedded microcontrollers > integrated circuits product hierarchy. Flash memory stores the program code so the device can be reprogrammed in-circuit, eliminating the need for UV-erase EPROMs or mask-ROM tooling cycles. This makes 8-bit Flash MCUs the lowest-cost entry point for cost-sensitive embedded control, fitting between fixed-logic ICs and 16/32-bit microcontrollers in capability. Key feature highlights of the PIC16F526 include the 14-bit instruction word (PIC16 instruction set architecture), 2-level hardware stack, 8-bit timer/counter, integrated analog comparator with programmable reference, and ultra-low-power sleep mode drawing microamp-level current. The device runs on 2.0V to 5.5V VDD and supports in-circuit serial programming (ICSP) via two pins, enabling firmware updates after board assembly. Technically, the PIC16F526 uses a RISC Harvard-architecture core that fetches 14-bit instructions in a single cycle when the pipeline is full, achieving 200 ns instruction execution at 20 MHz. This core is shared with the PIC16F505 and PIC16F506 parts, allowing code reuse across the family. The internal 8 MHz oscillator can be calibrated in software to within +/- 1% at 25C using factory-stored calibration constants, eliminating external crystals in most designs and shrinking BOM. Typical applications include battery-powered sensor nodes, remote control transmitters, LED lighting controllers, white-goods user-interface boards, and low-end consumer appliances. The combination of internal oscillator, 12 I/O, and 1.5 KB Flash is well suited to products that previously used discrete logic plus a few timer ICs. Design consideration: at 5 V VDD and 20 MHz, the PIC16F526 draws approximately 4 mA active current. For ultra-low-power designs, drop to 32 kHz LF mode via the LFINTOSC and use sleep-mode wake-on-change (interrupt-on-change IOC) interrupts, which can yield average current below 20 uA including active processing. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical low-power design notes not found concisely in the manufacturer datasheet, giving procurement and embedded engineers a single decision-ready reference.

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