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ATTINY5-TS8R - 10MHz 8-Bit AVR Microcontroller | Microchip
ATTINY5-TS8R

ATTINY5-TS8R - 10MHz 8-Bit AVR Microcontroller | Microchip

The Microchip Technology ATTINY5-TS8R is an 8-bit AVR RISC-based CMOS microcontroller with a 10 MHz maximum clock, 512 bytes of ISP Flash memory, and 32 bytes of SRAM in a 6-pin SOT-23 package. Its compact footprint supports low-cost embedded control when a small amount of program memory and a limited I/O count are sufficient. An 8-bit AVR microcontroller is a compact embedded-processing device that executes instructions from internal Flash memory and uses registers and SRAM for working data. The ATTINY series occupies the lower end of the AVR product hierarchy: microcontroller, embedded controller, processor, and semiconductor. Compared with larger AVR devices, its constraints require careful attention to memory usage, interrupt handling, and peripheral allocation. Key features include four general-purpose I/O lines, 16 general-purpose working registers, a 16-bit timer/counter with two PWM channels, a four-channel 8-bit ADC, an analog comparator, and an interrupt system. The 512-byte Flash capacity is organized as 256 words of 16-bit program memory. Idle mode stops the CPU while allowing SRAM, timers, the ADC, comparator, and interrupt system to continue operating. The device uses the AVR architecture and supports ISP programming. A programming tool connects to the target through the reset line and programming interface, making the ATTINY5 suitable for compact control products assembled with automated test equipment. Its 10 MHz operating point provides useful processing headroom for sensor reading, state-machine control, and low-duty-cycle actuator management without the complexity of a larger MCU. Typical uses include battery-powered sensor interfaces, compact LED controllers, simple motor or valve controls, wearable accessories, and embedded household products. The ADC supports analog measurement, while dual PWM channels can drive indicators or low-power loads. For each use case, firmware should account for the limited 512-byte Flash and 32-byte SRAM before adding application functions. PCB design requires careful decoupling and exposed-pad-free SOT-23 handling. Place the supply bypass capacitor close to VCC and GND, route programming signals away from sensitive analog inputs, and verify that the exposed copper and reflow profile match the package requirements. This page consolidates the device architecture, verified specifications, application guidance, pinout information, and same-family replacement choices for faster engineering evaluation.

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ATTINY5-TSHR - 8-Bit 12MHz AVR MCU | Microchip Technology
ATTINY5-TSHR

ATTINY5-TSHR - 8-Bit 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY5-TSHR is an 8-bit AVR RISC microcontroller with 512 bytes of ISP flash memory, 32 bytes of SRAM, a 12 MHz maximum clock, and four general-purpose I/O lines, packaged in a 6-pin SOT-23 surface-mount package. The device operates from 1.8 V to 5.5 V and is designed for compact embedded-control tasks requiring deterministic single-cycle instruction execution and a small PCB footprint. An 8-bit AVR microcontroller is a compact embedded-processing device that combines a reduced instruction set computer core, nonvolatile program flash, SRAM, timers, and serial programming into one integrated circuit. The ATTINY5 belongs to the low-resource ATtiny family within the broader hierarchy of 8-bit microcontroller, embedded controller, and semiconductor products. Its small memory capacity makes it most appropriate for focused control, sensing, and signal-generation functions rather than general-purpose computing. The principal features include 512 bytes of flash organized as 256 words by 16 bits, 32 bytes of SRAM, 16 general-purpose working registers, and a 16-bit timer/counter with two PWM channels. The MCU also provides four external interrupts and one comparator. Its internal oscillator removes the need for an external clock in applications that do not require precise external timing. In-system programming supports programming and firmware updates without removing the device from a circuit. The AVR architecture executes most instructions in a single clock cycle and supports a compact 54-instruction instruction set. Four I/O pins are sufficient for simple control outputs, push-button inputs, LED indicators, or communication interfaces sharing limited pins. The 32-byte SRAM can hold a small working state, while the 512-byte program memory can store compact firmware routines. These constraints make code and stack planning important when the application includes interrupts or multiple routines. Typical uses include low-power timers, simple motor or LED control, battery-operated sensor nodes, programmable switches, and compact consumer accessories. The 1.8 V minimum operating voltage supports energy-efficient designs, while operation up to 5.5 V provides compatibility with conventional 5 V control circuits. The SOT-23-6 package supports automated assembly but leaves little board area for external components. Designers should verify every use of the four I/O pins because reset and programming requirements can constrain their availability. Firmware should also remain within the 512-byte flash and 32-byte SRAM limits. The small package, limited I/O, and restricted memory make an ATtiny10 or ATtiny4 more appropriate only when the alternative's documented memory and pin requirements still satisfy the design. This page consolidates verified manufacturer and distributor specifications, practical design guidance, pricing context, and same-package replacement analysis. It also distinguishes documented drop-in options from related devices that are not electrically or software interchangeable.

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ATTINY806-MF 16MHz 8KB Flash MCU | Microchip Technology
ATTINY806-MF

ATTINY806-MF 16MHz 8KB Flash MCU | Microchip Technology

The Microchip Technology ATTINY806-MF is an 8-bit AVR tinyAVR functional-safety microcontroller with a 16 MHz maximum clock, 8 KB Flash memory, and a 20-VQFN 3 x 3 mm package. The device combines an 8-bit processor with a hardware multiplier and is intended for compact embedded-control, industrial, and functional-safety-oriented designs. A microcontroller is a programmable semiconductor that integrates a CPU core, program memory, data memory, and peripherals on one package. The tinyAVR 0-series forms Microchip's low-power, low-pin-count microcontroller family. Its compact footprint and mixed-signal resources make the ATTINY806-MF suitable for local control, sensing, communication, and actuator functions where a larger processor or external discrete implementation would add unnecessary complexity. The ATTINY806 family combines up to 20 MHz operation, 8 KB Flash, 512 bytes of SRAM, and 128 bytes of EEPROM with an Event System, SleepWalking capability, and accurate analog features. The ATTINY806-MF ordering code is listed at 16 MHz in a 20-VQFN package, with an industrial temperature indication of 125 degrees C and tray packaging. Exact peripheral assignments, electrical limits, and pin functions should be confirmed in the Microchip device documentation before layout release. The integrated hardware multiplier supports efficient multiplication operations in compact control firmware. The Event System provides a hardware mechanism for routing and synchronizing peripheral events, while SleepWalking allows supported peripherals to operate while the CPU core sleeps. These features can reduce interrupt overhead and improve responsiveness in event-driven sensor and control systems without relying entirely on busy-wait software loops. Typical uses include compact industrial controllers, low-power sensor nodes, building equipment, appliance controls, and small motor-control subsystems. The 20-pin VQFN format supports space-constrained boards, but its fine pitch requires careful escape routing, solder-paste control, and inspection. For prototypes, the tray package also allows individual components to be handled more conveniently than tape-and-reel production packaging. Choose the ATTINY806-MF when the design needs an 8-bit AVR core, 8 KB Flash, a 16 MHz rated device variant, and a compact 20-VQFN footprint. Verify the exact pin map, power requirements, peripheral availability, and programming configuration in the manufacturer datasheet. Request a quote on this page for current commercial availability and lead-time confirmation. This page organizes the manufacturer specifications, package information, application guidance, design considerations, and qualified sourcing path into one engineering-focused reference for the ATTINY806-MF.

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ATTINY806-MN - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY806-MN

ATTINY806-MN - 20MHz 8KB AVR MCU | Microchip Technology

The Microchip Technology ATTINY806-MN is an 8-bit AVR tinyAVR 0-series microcontroller with a hardware multiplier, a maximum clock speed of 20 MHz, and 8 KB of Flash program memory. The device includes 512 bytes of SRAM, 128 bytes of EEPROM, and a 10-bit analog converter, and is supplied in a 20-pin VQFN package measuring 3 x 3 mm. An 8-bit microcontroller is a compact embedded-processing IC that combines a processor core, nonvolatile program memory, data memory, and peripherals on one semiconductor device. The ATTINY806 belongs to the hierarchy of 8-bit MCU, embedded microcontroller, AVR microcontroller, tinyAVR microcontroller, and semiconductor. Its compact package and integrated memory make it suitable for compact control, sensing, and communication-adjacent products. The ATTINY806 uses an AVR processor with a hardware multiplier and can operate at up to 20 MHz. Its 8 KB Flash memory provides nonvolatile program storage, while 512 bytes of SRAM handles working data and 128 bytes of EEPROM preserves values when power is removed. The listed 10-bit ADC and -40°C to +105°C industrial temperature range broaden its usefulness for embedded measurement and control systems. The device also provides an Event System, SleepWalking, and advanced peripherals according to the Microchip product page. Event System hardware can link peripherals so that an action or routed event can trigger another peripheral without continuous CPU intervention. SleepWalking supports low-power operation by allowing selected events to wake the system, helping balance responsiveness against standby consumption. Typical applications include compact industrial controllers, low-speed communication modules, sensor-conditioning equipment, building-control interfaces, and small consumer products. Its 20-pin VQFN package supports space-constrained PCB layouts, while the 3 x 3 mm footprint permits a high component density. The -40°C to +105°C rating makes it appropriate for industrial environments when the complete board and peripherals meet their own environmental requirements. Designers should review the manufacturer pinout, decoupling requirements, clock options, and analog-reference connections before layout. The exposed-pad and thermal behavior of the VQFN package require careful PCB land-pattern and copper placement. Firmware development also depends on the selected AVR toolchain, device configuration settings, and the exact peripheral assignments documented for the ordering code. This page consolidates manufacturer specifications, distributor availability, lifecycle information, and practical selection considerations for ATTINY806-MN. It also identifies where package-compatible alternatives are not sufficiently documented to claim a safe drop-in replacement, avoiding unsupported cross-brand substitutions.

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ATTINY807-MN - 20MHz 8KB 24-VQFN Microcontroller | Microchip
ATTINY807-MN

ATTINY807-MN - 20MHz 8KB 24-VQFN Microcontroller | Microchip

The Microchip Technology ATTINY807-MN is an 8-bit AVR tinyAVR 0-series microcontroller with a 20 MHz maximum clock frequency, 8 KB Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 24-pin VQFN (4x4 mm) package. It also includes a hardware multiplier, Event System, SleepWalking, accurate analog features, and advanced peripherals. An 8-bit microcontroller is a programmable integrated circuit designed to execute embedded control tasks from a compact instruction set. Within the semiconductor hierarchy, the ATTINY807 belongs to the AVR family of tinyAVR devices, combining general-purpose digital control with analog sensing and serial communications in a low-power embedded-processing platform. The principal headline specifications are a 20 MHz operating speed, 8 KB of Flash program memory, and a 24-VQFN (4x4 mm) package. Its 512-byte SRAM supports working variables and stack operations, while 128 bytes of nonvolatile EEPROM provide dedicated storage. The processor's hardware multiplier accelerates multiplication-intensive control and signal-processing routines without requiring software multiplication loops. Microchip describes the series as using a flexible, low-power architecture with an Event System, SleepWalking, accurate analog features, and advanced peripherals. Event System routing can connect peripherals directly, reducing CPU intervention in suitable event-driven designs. SleepWalking allows supported peripherals to operate while the CPU sleeps, supporting low-power event handling. The exact peripheral assignments and operating limits should be confirmed in the manufacturer datasheet before design release. Typical uses include compact industrial controllers, low-power sensor nodes, building automation modules, small motor and actuator controllers, battery-powered instruments, and communication-enabled embedded products. Serial interfaces identified in the verified product data include I2C, SPI, and USART, allowing the MCU to connect sensors, transceivers, displays, and external nonvolatile memory. Designers should pay particular attention to pin multiplexing, clock configuration, decoupling, programming, and the exposed thermal-pad connection required by the 4x4 mm VQFN footprint. Because the available verified data does not state the supply-voltage range, ADC characteristics, GPIO count, or complete operating-temperature range, those values must be checked against the official ATTINY807 documentation rather than inferred from the family name. This page consolidates verified manufacturer and distributor information, a same-package replacement candidate, application guidance, and practical design cautions. It deliberately distinguishes documented facts from parameters that still require confirmation, helping engineers evaluate the ATTINY807-MN without treating generic tinyAVR assumptions as part-specific specifications.

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ATTINY816-MF - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY816-MF

ATTINY816-MF - 20MHz 8KB AVR MCU | Microchip Technology

The Microchip Technology ATTINY816-MF is an 8-bit tinyAVR 1-series microcontroller with a 20 MHz maximum clock, 8 KB Flash memory, 512 bytes SRAM, and 128 bytes EEPROM, housed in a 20-pin VQFN package measuring 3 mm by 3 mm. The device also uses an AVR processor with a hardware multiplier and includes the Core Independent Peripheral architecture used for event-driven and low-power designs. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals on one die. The ATTINY816-MF belongs to the tinyAVR 1-series, a low-power 8-bit MCU family intended for compact control systems. Its architecture combines conventional AVR processing with Core Independent Peripherals, allowing events and sleep conditions to be handled with reduced CPU involvement. This places the device within the hierarchy of MCU, embedded controller, and semiconductor. The device provides 8 KB of Flash for program storage, 512 bytes of SRAM for working data, and 128 bytes of EEPROM for nonvolatile data retention. The AVR processor can operate at up to 20 MHz and includes a hardware multiplier. According to the Microchip product page and ATtiny416/816 datasheet, the tinyAVR 1-series also incorporates Event System and SleepWalking capabilities, providing low-power event handling and accurate analog peripherals. The ATTINY816-MF is identified with a 3.3 V and 5 V operating indication and an industrial temperature rating of 125 °C. Its 20-pin VQFN package supports compact PCB layouts while providing access to the ATtiny816 peripheral set. The -MF ordering code identifies the VQFN package supplied in a tray, while the underlying ATTINY816 device provides 8 KB Flash and the 20 MHz operating capability described by Microchip. Typical uses include compact industrial controllers, low-power sensor nodes, building-control modules, appliance controls, and embedded products that need deterministic low-power operation without a high-performance processor core. The 512-byte SRAM is appropriate for control-oriented workloads, while 8 KB of Flash accommodates a focused embedded application and boot or configuration routines. Designers should match the exposed-pad connection and thermal requirements to the PCB assembly process, place decoupling capacitors near the supply pins, and confirm the 3.3 V or 5 V operating condition before programming. Firmware and peripheral assignments should be checked against the ATtiny416/816 datasheet because changing only the order suffix can alter package dimensions, temperature grade, or delivery format without changing the base-device function. This product page combines the manufacturer specifications, package identity, ordering information, documented drop-in candidates, and practical implementation guidance. It is intended to help engineers identify the correct ATTINY816 package and evaluate whether the 20 MHz tinyAVR architecture, compact memory configuration, and low-power peripherals meet a specific embedded-control requirement.

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ATTINY816-MN - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY816-MN

ATTINY816-MN - 20MHz 8KB AVR MCU | Microchip Technology

The Microchip Technology ATTINY816-MN is an 8-bit AVR tinyAVR 1-series microcontroller with a hardware multiplier, a maximum clock frequency of 20 MHz, 8 KB of Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 20-pin VQFN package. It is designed for compact embedded-control designs requiring efficient processing, flexible peripherals, accurate analog functions, and low-power operation. An 8-bit microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one device. The tinyAVR 1-series combines a compact AVR architecture with event-system support, SleepWalking, and analog peripherals suited to industrial automation, consumer electronics, and connected embedded products. Its 20-pin package also permits a relatively small PCB footprint without limiting access to digital and analog functions. The ATTINY816-MN operates at up to 20 MHz and provides 8 KB of Flash for firmware, 512 bytes of SRAM for working variables, and 128 bytes of EEPROM for nonvolatile data. According to the manufacturer product information, minimum supply operation is 2.7 V at 10 MHz or 1.8 V at 5 MHz. Core Independent Peripheral functionality supports event-driven control, while SleepWalking allows selected peripherals to operate during low-power sleep modes. The tinyAVR architecture uses a hardware multiplier for efficient multiplication operations and provides accurate analog features that can reduce the need for external components. Vertical migration within the 20-pin tinyAVR family is possible when the target device provides the same or more peripheral resources. Firmware compatibility still requires checking interrupt vectors, peripheral instances, pin multiplexing, and package-specific connections. Typical uses include sensor conditioning, compact industrial controllers, IoT endpoint nodes, building and appliance controls, and small motor or actuator-control systems. The combination of 20 MHz processing, 8 KB Flash, and low-power operating modes is especially useful where the design must respond to external events without continuously running a high-power processor. Choose the operating voltage and clock configuration carefully because the stated 1.8 V minimum applies at 5 MHz, while 2.7 V applies at 10 MHz. Confirm the maximum supported frequency at the selected supply voltage, preserve the exposed-pad grounding requirements, and review the manufacturer datasheet pin table before assigning analog or communication functions. This page combines the manufacturer specifications with package details, verified ordering information, drop-in alternatives, and practical guidance for migration, firmware compatibility, low-power design, and PCB implementation. It is intended to support engineering selection rather than replace the complete manufacturer datasheet.

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ATTINY816-MZT-VAO - 16MHz 8-bit AVR MCU, 8KB Flash, QFN-20 | Microchip
ATTINY816-MZT-VAO

ATTINY816-MZT-VAO - 16MHz 8-bit AVR MCU, 8KB Flash, QFN-20 | Microchip

The Microchip ATTINY816-MZT-VAO is an 8-bit AVR RISC microcontroller in the tinyAVR 1-series, offering up to 16 MHz CPU performance, 8 KB of in-system programmable Flash, 512 bytes of SRAM, and 128 bytes of EEPROM, housed in a 20-pin VQFN (3x3 mm) package with wettable flanks. It supports supply voltages from 2.7V to 5.5V, provides 18 programmable I/O lines, and integrates a 10-bit ADC plus a DAC, all qualified to AEC-Q100 automotive grade 1 with a -40C to +125C operating temperature range. What is an 8-bit AVR microcontroller? An 8-bit AVR microcontroller is a Harvard-architecture RISC processor core originally developed by Atmel (now Microchip) that executes one instruction per clock cycle, delivering deterministic performance at modest clock rates and very low power consumption. Within the broader hierarchy, the ATTINY816 belongs to the tinyAVR 1-series (sub-family: ATtiny 0/1-series), which sits inside the ATtiny family, under the broader AVR MCU umbrella, which is itself part of the larger microcontroller (MCU) category of embedded processors. The tinyAVR 1-series adds modern Core Independent Peripherals (CIPs) such as Configurable Custom Logic (CCL), Event System, and Analog Signal Conditioning on top of the classic AVR core. Key features of the ATTINY816 include 16 KB of ROM-less code execution from Flash, hardware multiplier, six flexible PWM channels via TCA/TCB timers, two USART, one SPI, one I2C, a 10-bit 188 ksps ADC with up to 12 input channels, and a 10-bit DAC. Functional Safety (FuSa) support and Core Independent Peripherals simplify safety-critical designs by offloading tasks from the CPU. The device is built on a low-power CMOS process and offers multiple sleep modes (idle, standby, power-down with RTC) with typical active current in the microamp range, making it suitable for always-on battery-powered applications. The 20-VQFN package with wettable flanks enables automated optical inspection (AOI) post-reflow - critical for automotive-grade PCB assembly. Typical applications include automotive body controllers, sensor nodes, LIN slaves, LED lighting controllers, smart sensors, consumer appliances, and industrial IoT edge nodes. The wide automotive temperature range and AEC-Q100 qualification make it equally suited to under-hood and cabin modules. When designing with this device, ensure decoupling capacitors are placed within 2 mm of the VDD pin and follow Microchip's AVR instruction-set and toolchain (MPLAB X IDE, Atmel Studio, AVR-GCC) for code generation. The QFN package requires thermal pad soldering - refer to the package land pattern for proper footprint design. This page synthesizes distributor pricing, AEC-Q100 qualification status, and cross-reference drop-in alternatives not consolidated in the manufacturer datasheet alone.

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ATTINY816-SN - 8-bit AVR tinyAVR 1 MCU, 20MHz, 8KB Flash, 20-SOIC | Microchip
ATTINY816-SN

ATTINY816-SN - 8-bit AVR tinyAVR 1 MCU, 20MHz, 8KB Flash, 20-SOIC | Microchip

The Microchip Technology ATTINY816-SN is an 8-bit AVR tinyAVR 1-series microcontroller with a hardware multiplier, running at up to 20 MHz, with 8 KB Flash, 512 bytes SRAM, and 128 bytes EEPROM in a 20-pin SOIC package. It is qualified for functional safety (FuSa) applications and supports industrial temperature operation up to +105C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash), EEPROM, and a set of peripherals on one die. The AVR family uses a modified Harvard RISC architecture with single-cycle instructions and a fetch-decode-execute pipeline tuned for predictable low-latency I/O control. tinyAVR 1-series devices sit at the entry-level of Microchip's 8-bit portfolio and target cost-sensitive, small-footprint designs that still demand on-chip analog and timing peripherals. Above tinyAVR in the hierarchy are megaAVR (more pins and memory), XMEGA (high-performance 8-bit), and 32-bit PIC and SAM families. Key features of the ATTINY816 include 20 MHz maximum clock, 6-channel 10-bit ADC, configurable custom logic, 16-bit timer/counter with PWM, and the Event System for hardware-triggered peripheral actions without CPU involvement. Core Independent Peripherals (CIPs) such as the Configurable Custom Logic (CCL) and analog comparators let timing-critical functions run autonomously, freeing the CPU for application code. The picoPower technology extends sleep-mode current to the microampere range, enabling battery-powered sensors and remote controls. Architecturally, the device pairs an AVR CPU with a fast interrupt controller and the Event System interconnect, allowing peripherals to be chained without software. The 8 KB Flash is in-system programmable via UPDI (Unified Program and Debug Interface), a single-wire protocol that replaces the older ISP/PDI split. The 20-SOIC package is the SN variant's hallmark, providing a 7.5 mm body width that is easy to hand-prototype and machine-assemble. Typical applications include consumer appliances, LED lighting controls, sensor nodes, IoT edge devices, capacitive touch user interfaces, and small motor control loops. The +105C industrial temperature rating also opens it to building automation and HVAC peripherals. When migrating code, vertical pin-compatibility with the ATtiny416 (4 KB Flash) and ATtiny1616 (16 KB Flash) within the same 20-pin SOIC footprint lets designers scale memory without re-laying out the PCB. Designers should evaluate SleepWalking and Event System usage early, as these features let the CPU stay in deep sleep while peripherals service interrupts, dramatically reducing average current. For applications that later require USB or more memory, consider the ATtiny1626-XU (in the Site MPN list) which is the next-generation tinyAVR 2 option. This page synthesizes verified distributor pricing, pin-compatible alternatives, and practical design notes not consolidated on any single vendor page.

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ATTINY816-SNR - 8-bit AVR MCU 20MHz 8KB Flash 20-SOIC | Microchip
ATTINY816-SNR

ATTINY816-SNR - 8-bit AVR MCU 20MHz 8KB Flash 20-SOIC | Microchip

The Microchip Technology ATTINY816-SNR is a member of the tinyAVR 1-series of 8-bit AVR RISC microcontrollers, featuring an AVR processor with hardware multiplier running at up to 20 MHz, with 8 KB of Flash, 512 bytes of SRAM, and 128 bytes of EEPROM in a 20-pin SOIC package. The device integrates Functional Safety (FuSa) features and Core Independent Peripherals (CIPs) that allow tasks such as sensor interfacing, signal conditioning, and actuator control to run without CPU intervention, dramatically reducing code complexity and power consumption. An 8-bit microcontroller (MCU) is a small, self-contained computing system on a single integrated circuit that integrates a CPU, RAM, non-volatile program memory, and a rich set of peripheral interfaces. Within the broader taxonomy, the ATTINY816 belongs to the tinyAVR subfamily of AVR RISC microcontrollers -> 8-bit MCU family -> microcontroller -> embedded IC -> semiconductor. The "tiny" prefix denotes the lowest-pin-count, lowest-power tier of the AVR family, typically used where cost, board area, and battery life dominate over raw processing throughput. Key features of the ATTINY816-SNR include the Event System and SleepWalking peripherals for ultra-low-power autonomous operation, a Peripheral Touch Controller (PTC) supporting capacitive touch sensing, a 10-bit ADC, configurable custom logic, and a 16-bit timer with three compare channels. The 20 MHz maximum clock, 8 KB self-programmable Flash, and 512 B SRAM support modest control loops and communication stacks including I2C, SPI, and UART. Architecture-wise, the part uses the modern tinyAVR 1-series core which adds a hardware multiplier (single-cycle 8x8 multiply), a more deterministic interrupt controller, and improved low-power modes versus legacy ATtiny parts. The integrated 20 MHz internal oscillator eliminates the need for an external crystal in most applications, saving two PCB pins and BOM cost. Typical applications include capacitive touch user interfaces, LED lighting controllers, low-power IoT sensor nodes, consumer appliances, battery-powered toys, and functional-safety-relevant embedded systems. The wide 1.8V to 5.5V supply range allows direct operation from a single Li-ion cell or from 3.3V/5V digital rails. Design consideration: vertical migration within the tinyAVR 1-series (ATtiny416, ATtiny816, ATtiny1614, ATtiny3216) is pin-compatible, so a PCB designed for ATtiny816 will accept larger-Flash siblings without layout changes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing information gain beyond what DigiKey, Mouser, and Octopart offer individually.

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ATTINY817-MF - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY817-MF

ATTINY817-MF - 20MHz 8KB AVR MCU | Microchip Technology

Microchip Technology ATTINY817-MF is an 8-bit AVR RISC microcontroller operating up to 20 MHz, with 8 KB Flash memory, 512 bytes SRAM, and 128 bytes EEPROM, housed in a 24-pin VQFN package. Its 4.5 V to 5.5 V supply range and industrial temperature rating of -40°C to +125°C support industrial and embedded control applications. An 8-bit microcontroller is a compact embedded processor designed to execute control logic, monitor inputs, and operate peripherals without a separate external processor. The ATTINY817 belongs to the tinyAVR 1-series, combining an AVR CPU with hardware multiplier, Event System, SleepWalking, and picoPower technology in an integrated mixed-signal platform. The device provides 8 KB of Flash for program storage, 512 bytes of SRAM for working data, and 128 bytes of EEPROM for nonvolatile parameter retention. Its hardware multiplier supports efficient multiplication in control and signal-processing routines, while the 20 MHz maximum clock frequency provides additional timing headroom for mixed peripheral workloads. Core Independent Peripherals allow hardware events to trigger timer, communication, and analog operations without continuous CPU intervention. This event-driven architecture can reduce software polling, improve response timing, and support low-power designs that combine active processing with sleep modes and SleepWalking behavior. Typical uses include compact sensor controllers, industrial monitoring modules, communication equipment, LED-control systems, and compact consumer-control boards. The 24-pin VQFN footprint is particularly useful where PCB area is constrained and a surface-mount production process is preferred. When laying out the board, follow the exact exposed-pad, thermal-pad, and decoupling guidance in the manufacturer datasheet. Preserve the specified UPDI programming access, validate analog and communication signal routing, and use the exposed pad as intended for electrical and thermal performance. This product record combines verified manufacturer specifications, current distributor availability, drop-in family alternatives, and application-focused design guidance. It provides the technical and purchasing context needed to evaluate ATTINY817-MF for an embedded control design without relying on raw distributor listings alone.

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ATTINY817-MN - 20MHz TinyAVR MCU, 8KB Flash | Microchip
ATTINY817-MN

ATTINY817-MN - 20MHz TinyAVR MCU, 8KB Flash | Microchip

The Microchip Technology ATTINY817-MN is an 8-bit AVR tinyAVR 1-series microcontroller with a 20 MHz maximum operating frequency, 8 KB Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 24-QFN 4 x 4 mm package. The ATTINY817-MN also provides hardware-multiplier-capable AVR processing, Core Independent Peripherals, Event System support, and accurate analog features identified by Microchip for the ATtiny817 family. The -MN ordering code is supplied in a tray according to Mouser and Arrow. An 8-bit microcontroller is a compact embedded-processing device that executes firmware from embedded Flash memory and controls peripherals through digital and analog inputs and outputs. The ATTINY817 belongs to the tinyAVR 1-series hierarchy, combining the AVR processor with hardware multiplier, Event System, SleepWalking, and power-conscious operation. Its 8 KB Flash capacity makes it suitable for compact control tasks rather than storage-intensive connected applications. The 20 MHz operating rate provides practical performance for event handling, timer-based control, communications, and analog signal conditioning. Memory resources include 8 KB of Flash, 512 bytes of SRAM, and 128 bytes of EEPROM for data that must retain its value when power is removed. The 24-QFN 4 x 4 mm package supports compact surface-mount layouts, while the exposed-pad construction listed by Arrow provides a thermal and electrical land-pattern requirement that must be handled in PCB layout. Microchip describes the ATtiny817 as a Functional Safety microcontroller in the distributor listing, with the ATTINY817 family built around the 8-bit AVR processor and Core Independent Peripherals. The product family also includes flexible, low-power architecture and SleepWalking functionality. Exact peripheral counts, converter performance, and operating limits were not included in the supplied search records and must be confirmed in the manufacturer datasheet before design sign-off. Typical uses include compact industrial controllers, sensor-conditioning nodes, compact motor-control peripherals, low-power sensing equipment, and small embedded modules. The 20 MHz clock and 512-byte SRAM suit lightweight control loops, while Event System support can reduce CPU involvement in peripheral-driven workflows. A critical layout consideration is the 24-QFN thermal pad and exposed ground or thermal connection specified by the manufacturer. Confirm pad geometry, pin assignments, decoupling requirements, and exposed-pad connection in the datasheet before releasing artwork. Also verify whether the -MN temperature and qualification requirements satisfy the end application's environmental needs. This product record consolidates verified manufacturer and distributor information, current pricing context, same-package functional alternatives, and engineering selection guidance. It distinguishes confirmed facts from specifications that still require datasheet confirmation, supporting faster procurement and engineering review without substituting unsupported assumptions.

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ATTINY826-SF - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY826-SF

ATTINY826-SF - 20MHz 8KB AVR MCU | Microchip Technology

The Microchip Technology ATTINY826-SF is an 8-bit AVR tinyAVR 2-series microcontroller operating at up to 20 MHz, with 8 KB of Flash memory, 1 KB of SRAM, and 128 bytes of EEPROM in a 20-pin SOIC package. The device combines a hardware-multiplier AVR CPU with a low-power architecture suited to compact embedded control systems. An 8-bit microcontroller is a semiconductor that executes embedded instructions from nonvolatile program memory while using RAM for working data and EEPROM for values that must survive power loss. The ATTINY826-SF belongs to the tinyAVR 2 family, which extends the AVR architecture with hardware multiplication, event-based timing, and low-power operating modes for embedded-control applications. Key device attributes include a 20 MHz maximum clock frequency, 8 KB of Flash program memory, 1 KB of SRAM, and 128 bytes of EEPROM. Its 20-pin SOIC package is identified by the ATTINY826-SF ordering code, while the related ATTINY826-SFR product uses 20-SOIC packaging notation. The industrial-temperature indication supports designs expected to operate up to 125 degrees Celsius. The AVR core provides an 8-bit RISC architecture with a hardware multiplier, allowing efficient multiplication operations without software emulation. Separate program memory, static working memory, and byte-sized EEPROM give embedded firmware a clear division between code, operating state, and persistent configuration. Low-power behavior is supported by an 8 MHz low-power mode at a minimum supply voltage of 2.7 V, according to the product description for this exact device. Typical uses include compact industrial controllers, sensor-conditioning systems, appliance control modules, low-power instrumentation, and embedded motor or relay interfaces. The combination of 20 MHz processing speed and 1 KB SRAM is particularly useful for small control loops, digital I/O expansion, communication peripherals, and local parameter storage without introducing a larger processor or memory subsystem. PCB design should follow the manufacturer pinout and recommended decoupling guidance in the ATtiny826 documentation. Confirm the exact SOIC-20 land pattern, programming interface, clock configuration, and peripheral assignments before layout release. Production firmware should also include the appropriate brownout, watchdog, and reset settings to improve behavior during supply disturbances. This page combines the exact ATTINY826-SF characteristics with same-package replacement analysis, application guidance, and practical design notes. It also identifies which memory and pinout details require confirmation in the Microchip documentation before production substitution.

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ATTINY826-SU - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY826-SU

ATTINY826-SU - 20MHz 8KB AVR MCU | Microchip Technology

Microchip Technology ATTINY826-SU is an 8-bit AVR tinyAVR 2-series microcontroller operating up to 20 MHz, with 8 KB of Flash memory and a 20-pin SOIC package. It also provides 1 KB of SRAM and 128 bytes of EEPROM, making it suitable for compact embedded-control designs that need deterministic digital I/O, local program storage, and low-power operation. An 8-bit microcontroller is a programmable semiconductor containing a processor core, memory, and integrated peripherals on one device. Within the product hierarchy, the ATTINY826 belongs to the AVR family, the tinyAVR 2 series, and the broader embedded-microcontroller category. Unlike a discrete logic controller, it executes firmware that can implement timers, communication protocols, control sequences, and interface handling without requiring extensive external components. The ATTINY826 uses an AVR CPU with a hardware multiplier and can run at up to 20 MHz. Its 8 KB Flash capacity provides room for application code, while 1 KB of SRAM supports working variables and stack operations. Nonvolatile EEPROM preserves up to 128 bytes of calibration data, configuration values, or counters when the main supply is removed. The listed operating voltage options are 2.5 V, 3.3 V, and 5 V, supporting both low-voltage and conventional embedded-system rails. The -SU ordering code identifies a 20-pin SOIC package rated for industrial temperature operation to 85 °C. This surface-mount package is suitable for automated assembly and compact PCB layouts. The tinyAVR 2 family uses modern low-power design techniques and an Event System, allowing peripherals to communicate through events to reduce CPU intervention. Exact peripheral assignments, clock configurations, and current-consumption figures must be confirmed in the manufacturer datasheet. Typical uses for the ATTINY826-SU include compact industrial controllers, sensor-interface modules, low-power monitoring equipment, actuator-control boards, and small consumer devices. Its combination of 20 MHz processing, 8 KB Flash, and 1 KB SRAM makes it practical for modest control tasks that do not require a high pin count or large application memory. Designers should verify the exact pin multiplex, peripheral allocation, clock limits, and decoupling requirements against the manufacturer datasheet. A 20 MHz operating point requires suitable clock configuration and signal integrity, while production layouts should provide short return paths and stable supply filtering around the device. This page consolidates verified manufacturer and distributor information, pin-compatible family alternatives, pricing references, and practical selection guidance. It is intended to help engineers determine whether the ATTINY826-SU fits a specific embedded-control design before completing PCB and firmware validation.

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ATTINY827-MF - 20MHz 8-bit AVR MCU, 8KB Flash, 24-VQFN | Microchip
ATTINY827-MF

ATTINY827-MF - 20MHz 8-bit AVR MCU, 8KB Flash, 24-VQFN | Microchip

The Microchip Technology ATTINY827-MF is an 8-bit AVR tinyAVR 2 family microcontroller built around the AVR CPU with hardware multiplier, running at up to 20 MHz, and integrating 8 KB of Flash program memory, 1 KB of SRAM and 128 bytes of EEPROM in a 24-pin VQFN (4 x 4 mm) package. A microcontroller is a self-contained computing element that integrates a CPU core, non-volatile program memory, working RAM and dedicated peripherals onto one die. The tinyAVR 2 family, to which the ATTINY827 belongs, extends that hierarchy from general-purpose MCU down to a compact 8-bit AVR core optimized for cost-sensitive embedded control. The ATTINY827 sits at the top of that family in memory density, giving small control boards real code space without moving to a 32-bit core. Key features of the ATTINY827-MF include a hardware multiplier in the CPU core, 8 KB of Flash for program storage, 1 KB of SRAM for data, and 128 bytes of EEPROM for non-volatile parameter retention. The family uses the latest Core Independent Peripherals (CIPs) from Microchip, and the ATtiny827 variant additionally carries the serial and timer resources typically required for connected control nodes. The 24-VQFN land pattern at 4 x 4 mm keeps the footprint smaller than the equivalent 20- and 24-lead SOIC options, saving board area in densely packed appliances and sensor modules. Because the CPU runs the classic AVR instruction set with a hardware multiplier, arithmetic-heavy loops such as PID updates or sensor compensation run without software multiplication routines. The tinyAVR 2 core combines that throughput with a low-power design that suits battery-operated and duty-cycled systems, while the CIP peripherals let functions such as timers, comparators and communication modules be routed to pins without heavily loading the CPU. Typical applications include small motor and pump controllers, LED lighting and signage drivers, battery-powered sensor nodes, appliance user-interface boards, and compact current-measurement or energy-metering sub-systems. In each case the part replaces a discrete logic solution while keeping bill-of-material cost and board area low. A key design consideration is that a 4 x 4 mm VQFN demands careful PCB layout: land patterns are dense, the exposed pad must be soldered and tied to ground for thermal performance, and the package has no lead room for hand rework. Use the pin description table in the Microchip ATtiny424/426/427/824/826/827 data sheet when assigning tracks. This page consolidates manufacturer specifications, package and pin-out guidance, family drop-in alternatives and practical layout notes into one place, adding engineering context that a bare parametric distributor listing does not provide.

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ATTINY827-MU - 20MHz 8KB AVR MCU | Microchip Technology
ATTINY827-MU

ATTINY827-MU - 20MHz 8KB AVR MCU | Microchip Technology

The Microchip Technology ATTINY827-MU is an 8-bit AVR tinyAVR 2-series microcontroller rated for operation up to 20 MHz, with 8 KB of Flash program memory, 1 KB of SRAM, and 128 bytes of EEPROM in a 24-pin VQFN package measuring 4 x 4 mm. The device includes an AVR CPU with a hardware multiplier and supports operating frequencies of 10 MHz at 2.7 V and 5 MHz at 1.8 V, providing design flexibility across common low-voltage supply rails. A microcontroller is a programmable integrated circuit that combines a processor core, nonvolatile program memory, data memory, and peripherals in one compact device. The ATTINY827 belongs to the hierarchy of tinyAVR 2-series microcontrollers, AVR 8-bit microcontrollers, embedded controllers, and integrated circuits. Its compact package makes it suitable for space-constrained control systems, while its hardware multiplier supports efficient multiplication operations in embedded software. The principal memory resources are 8 KB of Flash for firmware, 1 KB of SRAM for working data, and 128 bytes of EEPROM for nonvolatile data retention. Execution up to 20 MHz provides useful processing margin for event-driven control, monitoring, and communication-oriented firmware. The 24-pin VQFN arrangement also supports compact PCB construction in applications where the 4 x 4 mm footprint is valuable. The tinyAVR 2 family uses a flexible, low-power architecture and incorporates Core Independent Peripherals, as identified by the manufacturer product page. These characteristics make the ATTINY827-MU relevant to embedded designs that require deterministic low-power control without the memory and processing demand of a high-end application processor. Firmware designers should select the operating frequency and peripherals required by the target system from the complete family datasheet. Typical uses include compact industrial control modules, environmental monitoring nodes, LED and lighting controllers, consumer-product interfaces, and small embedded subsystems. Its 1 KB SRAM is suitable for modest control loops and protocol buffering, while 8 KB of Flash can hold focused application firmware. Designs requiring substantially larger code images, larger RAM buffers, or more high-speed peripherals should use a higher-density microcontroller. The primary design consideration is supply and layout planning. The MCU is specified for 10 MHz at 2.7 V and 5 MHz at 1.8 V, so the selected clock must remain valid at the worst-case supply voltage. A compact VQFN layout should also use manufacturer-recommended land patterns, adequate decoupling, clean grounding, and careful treatment of exposed-pad thermal requirements. This page consolidates the verified manufacturer and distributor information for ATTINY827-MU with practical selection guidance, application analysis, and transparent data-availability notes. It distinguishes confirmed specifications from unavailable parameters rather than inferring missing pin assignments, prices, or detailed peripheral characteristics.

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ATTINY828-AU - 20MHz AVR MCU, 8KB Flash | Microchip
ATTINY828-AU

ATTINY828-AU - 20MHz AVR MCU, 8KB Flash | Microchip

The Microchip Technology ATTINY828-AU is an 8-bit AVR RISC-based microcontroller with a 20 MHz maximum clock, 8 KB of in-system programmable Flash, 256 bytes of EEPROM, and 512 bytes of internal SRAM, housed in a 32-pin TQFP package measuring 7 mm by 7 mm. The device provides 28 GPIO pins and integrates a 10-bit ADC, USART, TWI, two SPI interfaces, PWM-capable timers, a 32.768 kHz ultra-low-power oscillator, an 8 MHz internal oscillator, and debugWIRE. An 8-bit AVR microcontroller is a compact embedded-control device that combines a processor core, nonvolatile program memory, data memory, and peripherals on one semiconductor die. The AVR enhanced RISC architecture executes most instructions in a single clock cycle, allowing the ATTINY828-AU to approach 1 MIPS per MHz. Within the product hierarchy, it is a general-purpose microcontroller and embedded-processing IC designed for compact control, sensing, communication, and low-power automation systems. The principal benefits of the ATTINY828-AU include 8 KB of reprogrammable Flash for application code, 28 GPIO pins for external interfaces, and dedicated communication peripherals that reduce the need for separate interface chips. Its 10-bit ADC supports analog measurement, while the two SPI interfaces, USART, and TWI support serial communication with sensors, displays, memories, and other embedded controllers. PWM-capable 8-bit and 16-bit timer/counters support timing, waveform generation, and motor-control functions. The controller uses high-density non-volatile memory technology, allowing the Flash program memory to be reprogrammed in-system through a serial interface. Its debugWIRE interface supports on-chip debugging, and the 32.768 kHz ultra-low-power oscillator provides a time base for low-power timing. The internal 8 MHz oscillator has a stated accuracy of plus or minus 2%, while the maximum operating frequency listed for the ATTINY828-AU is 20 MHz. Supported supply options include 1.8 V, 2.5 V, 3.3 V, and 5 V. Typical applications include industrial sensor nodes, compact control panels, motor and actuator controllers, low-power data-acquisition equipment, connected embedded products, and battery-powered monitoring systems. The combination of 28 GPIO pins and multiple serial peripherals makes it suitable for designs that must consolidate several discrete interface functions around one controller. An external precision oscillator can be used when the application requires more accurate timing than the internal 8 MHz source provides. PCB design should preserve access to all programming and debug signals and route sensitive analog inputs away from switching nodes. Power, ground, decoupling, and exposed thermal-pad connections must follow the package recommendations in the manufacturer datasheet. Firmware should also account for the tolerance of the internal oscillator when relying on it for communication timing, sampling intervals, or real-time schedules. This page combines a technical feature overview, application guidance, package information, engineering design notes, and direct comparison criteria for engineers evaluating the ATTINY828-AU. It also distinguishes exact device functions from uncertain procurement or qualification information, helping teams select the appropriate controller for a new embedded design.

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ATTINY828-MU - 8-Bit 20MHz AVR MCU | Microchip Technology
ATTINY828-MU

ATTINY828-MU - 8-Bit 20MHz AVR MCU | Microchip Technology

Microchip Technology ATTINY828-MU is an 8-bit AVR RISC-based microcontroller with picoPower technology, a 20 MHz maximum clock, 8 KB of in-system programmable Flash memory and a 32-pin VQFN package measuring 5 x 5 mm. The device provides 28 GPIO pins, 10-bit ADC channels, USART, TWI, two SPI interfaces, 8-bit and 16-bit timer/counters with PWM, and on-chip debugWIRE support. Its 512-byte internal SRAM and 256-byte ISP EEPROM make it suitable for compact embedded control, sensor conditioning and low-power automation products. An 8-bit AVR microcontroller is a compact embedded-control component that combines a reduced-instruction-set processor core with Flash program memory, data EEPROM, SRAM and integrated peripherals. Within the product hierarchy, ATTINY828-MU is an ATtiny-series microcontroller, part of the broader AVR family and semiconductor category. Its architecture supports efficient instruction execution and broad GPIO availability in a package intended for compact surface-mount designs. Key device features include 8 KB of ISP Flash, 256 bytes of ISP EEPROM, 512 bytes of internal SRAM and execution up to 20 MHz. The peripheral set includes a 10-bit ADC, USART, TWI, two SPI interfaces, an 8-bit timer/counter and a 16-bit timer/counter with PWM. A ±2% accurate 8 MHz internal oscillator supports clock-based control, while a 32.768 kHz ultra-low-power oscillator is available for low-speed timing. The 28 GPIO pins can be used for digital inputs, outputs and peripheral multiplexing, and the manufacturer states that ADC channels are available on all pins. Two SPI interfaces can support external sensors or serial peripherals, while USART and TWI provide additional wired communication paths. debugWIRE enables on-chip debugging, reducing the tooling required for firmware development and field diagnosis. Typical uses include industrial sensor nodes, compact control panels, small motor-control functions, communications modules and low-power embedded products. For a design using an external sensor, the dual SPI capability can reduce serial-bus contention, and the 10-bit ADC can digitize analog inputs. PWM-capable timers support dimming, actuator positioning or proportional control, provided the selected pin multiplexing is compatible with the chosen function. Design consideration: the 32-VQFN footprint requires careful PCB layout, short signal paths and adequate thermal-copper allocation around the exposed pad. Confirm pin multiplexing, ADC input availability, clock requirements and programming connections against the manufacturer documentation before release. Because package drawing, exposed-pad dimensions and detailed electrical limits are not included in the supplied verified text, those implementation details require confirmation from the official datasheet.

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ATTINY841-MU - 16MHz 8KB AVR MCU | Microchip Technology
ATTINY841-MU

ATTINY841-MU - 16MHz 8KB AVR MCU | Microchip Technology

The Microchip Technology ATTINY841-MU is an 8-bit AVR microcontroller rated for up to 16 MHz operation, with 8 KB of embedded Flash memory and a 20-pin QFN with exposed pad (EP) package measuring 4 mm by 4 mm. It operates from 1.7 V to 5.5 V, supports a -40°C to +85°C temperature range, and includes a 10-bit, 12-channel ADC, 512 bytes of SRAM, and 512 bytes of EEPROM according to the supplied distributor specification data. An 8-bit AVR microcontroller is a compact embedded-control device that combines a processor core, nonvolatile Flash program memory, data memory, and peripherals on one semiconductor die. The ATtiny841 belongs to the TinyAVR family within the broader hierarchy of 8-bit microcontroller, embedded controller, and semiconductor products. It is intended for control-oriented designs where deterministic low-power operation, analog measurement, and a small board footprint are more important than high processing throughput. Key features include a 16 MHz maximum clock, 8 KB of Flash program storage, 512 bytes of SRAM, 512 bytes of EEPROM, and a 10-bit ADC with 12 channels. Its operating-voltage range of 1.7 V to 5.5 V supports both low-voltage battery-powered equipment and conventional 3.3 V or 5 V systems. The 20-pin QFN-EP package also provides a compact surface-mount footprint and an exposed thermal pad for board-level heat spreading. The ATtiny841 architecture uses the AVR 8-bit instruction set and provides integrated analog and digital resources for embedded control. The manufacturer documents programmable I/O behavior, tri-state input operation, and alternative peripheral functions including analog-comparator, analog-to-digital converter, and pin-change-interrupt capabilities. Programming and debugging are supported through Microchip’s in-circuit programming and debug ecosystem, including MPLAB Snap connectivity described on the official product page. Typical applications include compact sensor nodes, industrial control modules, low-power instrumentation, digital control panels, compact power converters, and mixed-signal monitoring equipment. The 12-channel ADC allows multiple analog inputs to share one controller, while 8 KB of Flash accommodates application firmware and configuration logic. For designs near the upper voltage limit, designers must also account for supply tolerance, clock configuration, and component derating. The exposed pad must be connected according to the manufacturer’s land-pattern and thermal guidance rather than treated as an unused pin. PCB layout should preserve short analog and power paths, provide the required decoupling capacitors, and route high-impedance sensor inputs away from noisy switching nodes. Firmware and pin multiplexing should be checked against the linked ATtiny441/ATtiny841 datasheet before a new PCB is released. This page consolidates the supplied distributor specifications, official manufacturer links, lifecycle information, packaging data, and qualified drop-in considerations. It also distinguishes verified package-compatible alternatives from broader functional equivalents, helping engineers compare migration options without treating devices with different memory, voltage, or peripheral capabilities as interchangeable.

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ATTINY84A-MF - 20MHz 8KB AVR Microcontroller | Microchip
ATTINY84A-MF

ATTINY84A-MF - 20MHz 8KB AVR Microcontroller | Microchip

Microchip Technology ATTINY84A-MF is an 8-bit AVR RISC-based microcontroller with 8 KB of in-system programmable Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, 12 general-purpose I/O lines, and a maximum clock speed of 20 MHz. The device is supplied in a 20-QFN exposed-pad package measuring 4 x 4 mm and is specified for high-grade operation up to +125°C. An AVR microcontroller is a compact embedded-control IC that combines a processor core, nonvolatile program memory, data memory, I/O ports, timers, and serial interfaces on one chip. Within the product hierarchy, the ATTINY84A belongs to the 8-bit AVR family, the TinyAVR class, and the broader embedded-processing and semiconductor categories. Its picoPower architecture is designed for efficient operation in small control systems where cost, board area, and energy consumption matter as much as processing capacity. The ATTINY84A-MF provides 32 general-purpose working registers, two timer/counters with 8-bit and 16-bit operation, and two PWM channels. Its 12 I/O lines can support digital control, sensing, communication, and timing functions. The combination of 8 KB Flash, 512 bytes of EEPROM, 512 bytes of SRAM, and a 20 MHz clock allows embedded firmware to combine event handling, sensor conditioning, actuator control, and serial data exchange in one compact device. Program development uses the AVR instruction architecture and the in-system programming interface described by Microchip for the ATtiny84A family. The manufacturer product page identifies MPLAB Snap debug and programming support through an 8-pin single in-line connector using two I/O pins and the reset line. This integration of ICSP programming and debug access supports compact boards where a dedicated connector can save space without eliminating field programming or in-circuit debugging. Typical uses include industrial sensor nodes, compact environmental monitors, LED lighting controllers, small motor-control loops, smart accessories, and communications modules. The 12 I/O lines are particularly useful when a design needs several discrete inputs and outputs but does not require a larger 32-bit MCU. The exposed thermal pad also assists heat transfer from the device, making copper-based PCB thermal management an important part of compact, high-duty-cycle installations. Designers should verify the complete pin assignment, exposed-pad connection, operating-voltage limits, clock requirements, and programming interface against the Microchip ATtiny24A/44A/84A datasheet. Place the decoupling capacitors close to the supply pins, preserve the required exposed-pad copper and thermal-relief pattern, and route programming signals to avoid interference from switching nodes. Confirm startup, reset, and external-clock behavior before committing the PCB layout. This product page combines the core ATtiny84A specifications with practical programming, PCB-layout, thermal-management, and replacement guidance. It also distinguishes same-footprint family options from alternatives that require a different package, helping engineers evaluate upgrades without assuming that similar memory sizes or family names guarantee PCB compatibility.

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ATTINY84A-PU - 8-Bit 20MHz AVR MCU with 8KB Flash | Microchip
ATTINY84A-PU

ATTINY84A-PU - 8-Bit 20MHz AVR MCU with 8KB Flash | Microchip

The Microchip Technology ATTINY84A-PU is an 8-bit AVR RISC-based microcontroller with 8 KB of in-system programmable flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, and 12 general-purpose I/O lines. It operates at up to 20 MHz and is packaged in a breadboard-friendly 14-pin PDIP package. The device also provides two 8-bit/16-bit timer/counters with two PWM channels. A microcontroller is a compact programmable controller that integrates a CPU core, memory, I/O ports, timers, and communication peripherals on one semiconductor die. The ATTINY84A belongs to the ATtiny AVR family, whose product hierarchy is 8-bit AVR RISC microcontroller, general-purpose microcontroller, embedded processor, and semiconductor. Its combination of 12 I/O lines, serial programming, and analog conversion capability makes it useful for compact embedded-control boards. Key features include 8 KB ISP flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, 32 general-purpose working registers, 12 general-purpose I/O lines, and a 10-bit ADC. The AVR architecture provides a rich instruction set for embedded control, while the 20 MHz maximum clock rate supports more responsive control loops than its 10 MHz counterparts. Two timer/counters with PWM outputs support motor, dimming, and waveform-generation tasks. The ATTINY84A also integrates a Universal Serial Interface, as identified by the published product overview, for serial communication using external or internal peripherals. In-System Serial Programming and in-circuit debugging are supported through the dedicated programming interface. This combination allows firmware to be programmed directly on the assembled PCB without a separate socketed programmer. Typical uses include compact sensor controllers, LED dimmers, small motor-control boards, programmable timers, and communication modules. Its 14-pin PDIP package is particularly suitable for breadboard prototyping, through-hole educational platforms, and low-volume designs where a surface-mount package would complicate assembly. When laying out a design, confirm that every ADC input has an appropriate analog reference and that unused I/O pins are left in a defined state. Because the -PU ordering code denotes a 14-pin PDIP package, verify that the PCB footprint matches the 0.300-inch, 7.62 mm row spacing specified by the package data before committing a new design. This page consolidates distributor availability information, verified memory and clock specifications, practical application guidance, and clearly qualified drop-in alternatives. It also identifies the parts and parameters that must be checked before treating another AVR device as a replacement.

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ATTINY85-20PU - 20MHz 8-Bit AVR MCU | Microchip Technology
ATTINY85-20PU

ATTINY85-20PU - 20MHz 8-Bit AVR MCU | Microchip Technology

The Microchip Technology ATTINY85-20PU is a low-power CMOS 8-bit AVR enhanced RISC microcontroller rated for 20 MHz operation, with 8 KB of in-system programmable Flash, 512 bytes of EEPROM, and 512 bytes of SRAM in an 8-pin through-hole DIP package. The supplied distributor data also identifies a 4-channel 10-bit ADC and six I/O pins. An 8-bit microcontroller is a compact programmable controller that executes firmware to read sensors, control actuators, sequence power systems, and manage communication interfaces. The ATtiny85 belongs to Microchip's ATtiny family and uses the AVR architecture, combining small instruction-level complexity with integrated Flash, EEPROM, SRAM, timers, serial interfaces, and analog conversion functions. The ATTINY85-20PU's principal verified characteristics include an 8 KB Flash program memory organized as 4K x 16, 0.512 KB EEPROM, a 20 MHz maximum clock, six I/O pins, and a 2.7 V to 5.5 V supply range reported in the cross-reference data. Its in-system programmability supports programming and updating without removing the device from a finished assembly. The device is appropriate when a design needs more processing capability than the smallest ATtiny devices but very little board area, cost, and energy use. Its 8-pin DIP format is particularly useful for prototyping, repairable assemblies, and through-hole industrial controls where manual insertion and socketed replacement are advantageous. Typical uses include compact sensor nodes, LED lighting controls, battery-powered timers, small motor controls, fan controllers, and simple SPI or I2C peripherals. Designers must still budget the limited 8 KB program memory, 512-byte SRAM, and six I/O pins when selecting it for a new application. Keep bypass capacitance close to the supply pins and route high-current outputs away from sensitive analog inputs. Although the package supports external clocking, the exact oscillator, reset, programming, and unused-pin requirements must be taken from the current manufacturer datasheet before layout release. This page consolidates verified distributor specifications, package information, sourcing links, application guidance, and the limits of the available substitute data. It distinguishes confirmed facts from parameters that still require direct verification rather than presenting unsupported drop-in replacements as equivalent devices.

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ATTINY85-20SU - 8-Bit 20MHz AVR MCU | Microchip
ATTINY85-20SU

ATTINY85-20SU - 8-Bit 20MHz AVR MCU | Microchip

The Microchip ATTINY85-20SU is an 8-bit AVR RISC microcontroller rated at 20 MHz, with 8 KB of in-system programmable flash, 512 bytes of EEPROM, and 512 bytes of SRAM in an 8-pin SOIC package. The device also provides six general-purpose I/O lines and an integrated ADC, making it suitable for compact embedded-control, sensing, and low-power automation designs. A microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, data memory, and peripherals on one device. The ATTINY85 belongs to the TinyAVR hierarchy: it is a low-power CMOS 8-bit microcontroller built around the AVR enhanced RISC architecture. Its small memory footprint and compact package are useful when the application requires local control without a larger processor or external memory. Key verified features include 8 KB flash organized as 4K × 16, 512 bytes of EEPROM, 512 bytes of SRAM, six general-purpose I/O lines, 20 MHz operation, and an integrated 10-bit ADC according to the distributor and manufacturer-linked sources. The device also supports ISP programming, making firmware updates possible through the serial programming interface. Its 8-SOIC package is surface-mount and suitable for compact PCB layouts. The ATTINY85 architecture is designed for simple control tasks that combine digital inputs, ADC measurements, timer activity, and PWM generation. Its 32 general-purpose working registers and one 8-bit timer/counter with compare modes support efficient small firmware routines. The verified data identifies the part as a functional-safety-related Microcontroller IC, although detailed safety certification parameters were not provided and should be confirmed from the manufacturer datasheet before safety-critical use. Typical applications include battery-powered sensor nodes, compact motor-control interfaces, LED and indicator controllers, simple analog measurement systems, small consumer products, and compact industrial control modules. The six I/O lines are sufficient for small mixed-signal systems when pin multiplexing is carefully planned. The ADC allows analog inputs to be digitized without a separate converter, although the verified source set does not provide its full electrical limits. A key design consideration is memory planning. Firmware must fit within the verified 8 KB flash capacity, while initialized data and stack usage must remain within 512 bytes of SRAM. For battery-powered designs, use the low-power operating modes and avoid leaving unused I/O pins in undefined states. Confirm voltage, clock, ADC accuracy, and absolute maximum ratings from the current Microchip datasheet before releasing a production design. This page combines verified distributor specifications, source traceability, application guidance, and replacement constraints to help engineers evaluate the ATTINY85-20SU beyond a basic catalog listing. It emphasizes what is confirmed from the supplied data and clearly separates missing electrical details from verified facts.

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ATTINY87-MU - 8-Bit 16MHz AVR MCU with LIN | Microchip
ATTINY87-MU

ATTINY87-MU - 8-Bit 16MHz AVR MCU with LIN | Microchip

The Microchip ATTINY87-MU is an 8-bit AVR RISC microcontroller with an operating frequency of 16 MHz, 8 KB of in-system programmable flash memory, and a 32-pin VQFN package measuring 5 mm by 5 mm. It includes 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, 32 working registers, and an 8-bit timer/counter with compare modes. The device also provides an LIN controller. An 8-bit microcontroller is a compact embedded controller used to read inputs, execute programmed logic, and control outputs in products such as automotive body modules, communication equipment, and industrial controls. The ATTINY87 belongs to the AVR family of 8-bit RISC-based microcontrollers and combines low-power operation, in-system programmability, timers, serial interfaces, and analog-control resources in one integrated circuit. Verified device features include 8 KB of ISP flash memory, 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, 32 general-purpose working registers, an 8-bit timer/counter with compare modes, and an 8-bit timer/counter. The 16 MHz operating frequency supports deterministic control-loop execution, while the integrated LIN controller makes the device suitable for local vehicle or industrial communication networks. The ATTINY87-MU is identified by the MU package suffix and is supplied in a 32-pin VQFN with an exposed pad according to the Arrow listing. The exposed thermal and electrical pad must be connected according to the manufacturer package guidance. Because the device is a compact surface-mount microcontroller, PCB layout, programming access, decoupling, and exposed-pad handling determine whether the expected performance is achieved. Typical applications include LIN-connected automotive modules, body-control and interface electronics, low-speed serial communication, sensor conditioning, actuator control, and compact embedded control boards. The 8 KB flash capacity is appropriate for small control firmware, while the SRAM and EEPROM support working state and nonvolatile configuration data. When designing around the ATTINY87-MU, verify the exact electrical limits, pin names, programming interface, clock configuration, and package recommendations against the current Microchip datasheet. Use the exposed pad as specified by the package design, place decoupling close to the supply pins, and confirm that the PCB footprint matches the 32-pin VQFN 5 mm by 5 mm package. This page combines verified product-page data, distributor availability information, and application guidance for engineers evaluating the ATTINY87-MU.

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