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ATTINY412-SSFR - 8-bit AVR tinyAVR 1 MCU, 4KB Flash, SOIC-8 | Microchip
ATTINY412-SSFR

ATTINY412-SSFR - 8-bit AVR tinyAVR 1 MCU, 4KB Flash, SOIC-8 | Microchip

The Microchip Technology ATTINY412-SSFR is an 8-bit AVR tinyAVR 1-series microcontroller (Functional Safety, FuSa) running at up to 20 MHz with 4 KB Flash, 256 bytes SRAM, and 128 bytes EEPROMin an 8-pin SOIC-8 package.It delivers 16 MIPS throughput from the AVR RISC core with hardware multiplier, integrates a 6-channel 10-bit ADC, an 8-bit DAC, two 16-bit timers, and one 12-bit timer, plus configurable custom logic and the Event System / SleepWalking peripheral set. An 8-bit AVR microcontroller is aRISC-architecture CPU that executes one instruction per clock cycle, enabling deterministic real-time response with very low active power. The tinyAVR 1-series sits insideMicrochip's 8-bit AVR portfolio below the megaAVR and XMega families, optimized for cost- and power-constrained embedded designs that need on-chip analog and event-driven peripherals.Positioned as a drop-in successor to legacy ATtiny25/45/85 partson SOIC-8 footprints, the ATtiny412 adds modern peripherals (Event System, configurable custom logic) while preserving the AVR toolchain (GCC, Atmel Studio / Microchip Studio, MPLAB X). Key differentiating specifications include 4 KB self-programmable Flash, 256 B SRAM, 128 B EEPROM, six ADC channels with 10-bit resolution, a single-channel 8-bit DAC, two 16-bit Timer/Counter Type B instances plus one 12-bit Timer/Counter Type D, and the Peripheral Touch Controller (PTC) supporting touch buttons via the slider/wheel QTouch library. A 10-pin UPDI programming/debug interface replaces the legacy ISP header, and the device operates from 1.8 V to 5.5 V with picoPower sleep modes down to sub-microamp current. The architecture combines the deterministic AVR 8-bit pipeline with a hardware multiplierfor faster integer math, plus the Event System that lets peripherals trigger each other without CPU intervention - critical for SleepWalking low-power designs. The integrated 8-bit DAC and 10-bit ADC remove the need for external analog components in closed-loop and sensor-interface designs. Typical applications include capacitive-touch button interfaces, IoT sensor nodes, low-power wearables, LED lighting controllers, and small appliance user-interface boards where its SOIC-8 footprint, on-chip analog, and picoPower modes are decisive advantages. The Functional Safety (FuSa) variant is suited to designs targeting IEC 60730 class B appliance-safety requirements. When designing with the ATTINY412-SSFR, route the UPDI programming pin to a dedicated test pad or 1x3 header for in-system programming; the SOIC-8 does not expose the legacy 6-pin ISP interface. Decouple VDD with a 100 nF X7R ceramic placed within2 mm of the supply pin, and leave PB0/PB1 free for the default UPDI/XTAL functions unless re-mapped via the fuse settings. This page synthesizesdistributor pricing, same-brand and cross-brand drop-in alternatives, andpractical design notes thatcomplementthemanufacturer datasheet (DS40001911B).

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ATTINY412-SSNR - 8-bit AVR tinyAVR 1 MCU 20MHz 4KB Flash SOIC-8 | Microchip
ATTINY412-SSNR

ATTINY412-SSNR - 8-bit AVR tinyAVR 1 MCU 20MHz 4KB Flash SOIC-8 | Microchip

The Microchip Technology ATTINY412-SSNR is an 8-bit AVR tinyAVR 1-series microcontroller with hardware multiplier, running at up to 20 MHz with 4 KB Flash, 256 bytes SRAM, and 128 bytes EEPROM, housed in an 8-pin SOIC package. Functional Safety (FuSa) ready and built on picoPower technology, it integrates a 10-bit ADC, a configurable custom logic block, and the Event System with SleepWalking for interrupt-driven, low-energy peripheral operation. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals such as ADC, timers, and communication interfaces. The AVR 8-bit RISC architecture executes one instruction per clock cycle, giving the tinyAVR 1-series deterministic throughput at modest clock rates. Within the broader taxonomy, the ATTINY412 sits at the bottom of Microchip's tinyAVR family — a sub-category of 8-bit microcontrollers — positioned below the megaAVR series and far below 32-bit ARM Cortex-M0+ devices such as the SAMD21 in compute, but with a substantially smaller footprint and lower price point. Key differentiating specifications include 4 KB self-programmable Flash, 256-byte SRAM, 128-byte EEPROM, 20 MHz maximum CPU clock, and an operating voltage range of 1.8V to 5.5V. The device exposes 6 GPIO pins (6 usable I/O on the 8-pin SOIC), supports up to 6 PWM channels via Timer/Counter A, integrates a 10-bit 115 ksps ADC with up to 6 analog channels, and offers a peripheral touch controller (PTC) for buttons and sliders. Sleep current is in the single-digit microampere range, making it suitable for battery-powered and energy-harvesting applications. The architecture combines an AVR 8-bit CPU core with a hardware multiplier for fast 16-bit math, a deterministic interrupt controller, and the Event System — a hardware interconnect that lets peripherals trigger each other without CPU intervention. This core-independent peripheral (CIP) design enables SleepWalking, in which a peripheral can wake the CPU only when a configured event occurs, dramatically reducing average current draw. Typical applications include low-power IoT sensor nodes, consumer electronics human-machine interfaces (HMI), battery management, LED driving and lighting control, and compact motor or fan control. The PTC and high-resolution PWM make it well-suited to capacitive-touch user interfaces and BLDC or DC motor commutation. When designing with this part, observe the absolute maximum VDD of 6V and configure the unused pins as outputs with low state to minimize leakage. Migration within the tinyAVR 1-series is straightforward: ATTINY212-SSN shares the same pinout with 2 KB Flash and 128-byte SRAM, while ATTINY414 adds 2 KB Flash. Choose by memory headroom rather than peripheral set. This document synthesizes distributor pricing, parametric alternatives, and practical design guidance not found in the manufacturer datasheet alone — including cross-brand equivalents sourced from live distributor data and application-specific recommended companion parts.

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ATTINY424-XF - 20MHz 4KB AVR MCU | Microchip Technology
ATTINY424-XF

ATTINY424-XF - 20MHz 4KB AVR MCU | Microchip Technology

Microchip Technology ATTINY424-XF is an 8-bit AVR microcontroller with a hardware multiplier, a maximum clock frequency of 20 MHz, 4 KB of Flash program memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 14-pin TSSOP package. The device is suited to compact embedded-control designs requiring efficient code execution, mixed-signal measurement, and a small PCB footprint. A microcontroller is an integrated circuit that executes firmware, reads inputs, controls outputs, and manages system timing within one device. The ATTINY424 belongs to Microchip's tinyAVR 2 family, combining an 8-bit AVR CPU with embedded nonvolatile memory, SRAM, and Core Independent Peripherals. This hierarchy places it between simple logic controllers and larger application-specific microcontrollers. The ATTINY424-XF provides 9-channel, 12-bit analog-to-digital conversion, allowing one device to acquire several analog inputs without requiring an external ADC. Its 20 MHz maximum operating frequency supports deterministic firmware execution, while 4 KB of Flash provides 4096 bytes for program storage. The 512-byte SRAM supports working variables and stack operations, and the 128-byte EEPROM provides nonvolatile data storage for configuration values or counters. The 14-pin TSSOP package limits board area while retaining separate GPIO connections and analog inputs. The -XF ordering identifies the TSSOP package configuration in the relevant Microchip ordering system. Because this device combines an AVR CPU, ADC, EEPROM, and event-oriented peripherals in one compact package, it can reduce external component count and simplify firmware architecture compared with a discrete processor-and-converter design. Typical applications include compact industrial controllers, digital thermometers, sensor-conditioning nodes, LED status panels, small motor-control modules, and low-cost consumer-control boards. The 12-bit ADC is particularly useful when the application requires more resolution than a basic digital threshold input but does not justify a larger mixed-signal microcontroller. The primary design consideration is firmware capacity. A 4 KB Flash device is appropriate for compact control tasks, but code growth should be checked against the 4096-byte program-memory limit. Use the pin-description table in the manufacturer datasheet when assigning PCB tracks, and preserve the device's specified decoupling and programming connections around the TSSOP-14 footprint. This product summary combines the manufacturer family specifications, orderable-part information, and practical implementation guidance. It adds application context, interface considerations, and same-family replacement guidance to help engineers evaluate the ATTINY424-XF before schematic capture or PCB layout.

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ATTINY424-XU - 20MHz AVR Microcontroller | Microchip Technology
ATTINY424-XU

ATTINY424-XU - 20MHz AVR Microcontroller | Microchip Technology

The Microchip Technology ATTINY424-XU is an 8-bit AVR tinyAVR 2-series microcontroller with a maximum clock frequency of 20 MHz, 4 KB of Flash program memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 14-pin TSSOP package. It combines the AVR CPU with a hardware multiplier and core-independent peripherals for compact embedded-control designs. A microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals on one device. The ATTINY424-XU belongs to the hierarchy of microcontrollers, embedded processors, and semiconductors. Its small memory footprint and 14-pin package make it suitable for compact control, sensing, and communication modules where board area and energy efficiency are important constraints. The device provides 4 KB of in-system programmable Flash organized as 4K by 16-bit pages, together with 512 bytes of SRAM and 128 bytes of EEPROM. The AVR CPU supports 16-bit and 32-bit instructions and executes at up to 20 MHz. Core-independent peripherals reduce interrupt overhead and allow timing, serial communication, and other functions to operate with limited CPU involvement. The ATTINY424 family also includes devices with 8 KB of Flash, providing a common platform for applications that require more program storage. The ATTINY424-XU is specifically identified as a 14-pin TSSOP industrial-temperature device rated to 85°C. Its compact package supports conventional surface-mount assembly while exposing the mixed-signal and digital resources required by embedded systems. Typical uses include industrial control modules, compact sensor nodes, LED-control circuits, small motor controllers, and communication equipment. A design can use the 20 MHz clock for responsive control logic, utilize Flash for firmware, and place frequently changed configuration data in EEPROM. Serial-interface and timing peripherals can reduce firmware complexity when their core-independent functions match the application. PCB design should preserve short return paths for digital and analog signals, place decoupling capacitors close to the supply pins, and route sensitive inputs away from fast-switching nodes. Designers should also verify the exact peripheral multiplexing and pin functions in the manufacturer pin-description table before assigning external circuitry. The 14-pin TSSOP footprint requires careful solder-paste and reflow design to achieve reliable fine-pitch joints. This product page combines the manufacturer device information, exact-orderable-part identification, package details, and practical engineering guidance. It also distinguishes genuine drop-in replacements from related tinyAVR devices that use different packages or memory configurations, helping engineers make a defensible sourcing or replacement decision without assuming compatibility.

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ATTINY426-MF - 20MHz 4KB Flash AVR Microcontroller | Microchip
ATTINY426-MF

ATTINY426-MF - 20MHz 4KB Flash AVR Microcontroller | Microchip

Microchip Technology ATTINY426-MF is an 8-bit tinyAVR 2 family microcontroller with an AVR CPU and hardware multiplier, operating at up to 20 MHz, with 4 KB Flash memory, 512 bytes SRAM, and 128 bytes EEPROM in a 20-pin VQFN package measuring 3 x 3 mm. The -MF ordering code identifies the tray-packed industrial-temperature variant, which operates from -40°C to +125°C and supports 2.5 V, 3.3 V, and 5 V supply levels. A microcontroller is a programmable integrated circuit containing a processor core, memory, peripherals, and I/O circuitry on one semiconductor device. The ATTINY426 belongs to the tinyAVR 2 family, a compact branch of the AVR 8-bit RISC microcontroller portfolio. This device hierarchy combines a small instruction set, event-control peripherals, and flexible pin multiplexing in a low-pin-count package suitable for embedded control systems. Key features include 20 MHz maximum CPU operation, 4 KB of Flash for program storage, 512 bytes of SRAM for working variables, and 128 bytes of EEPROM for nonvolatile data. The device also provides I2C, SPI, and UART/USART connectivity, enabling communication with sensors, serial memories, transceivers, and host systems. Its industrial temperature range supports demanding industrial control, sensor, and embedded interface applications. The AVR processor architecture provides an 8-bit RISC execution model with a hardware multiplier for efficient arithmetic operations. Its 4 KB program memory is sufficient for compact control logic, protocol handlers, state machines, and mixed analog-to-digital control functions. The 20-pin VQFN package also offers a practical balance between functional connectivity and board-space savings, although its exposed-pad construction requires careful PCB layout and assembly planning. Typical uses include industrial sensor nodes, compact motor and actuator controllers, serial protocol bridges, battery-powered monitoring equipment, and low-cost embedded automation modules. The device is particularly suitable when a design needs more general-purpose performance than a simple logic IC while retaining a compact footprint, low pin count, and familiar AVR software toolchain. PCB implementation should follow the exact land pattern, exposed-pad, and solder-reflow requirements in the Microchip package drawing. Firmware development should preserve sufficient Flash, SRAM, and EEPROM headroom for interrupts, stack use, bootloader requirements, and field updates rather than treating the memory ratings as the entire application capacity. This page consolidates manufacturer specifications, package information, sourcing details, application guidance, and defensible drop-in comparison points. It also distinguishes a genuine pin-compatible replacement from parts that merely belong to the broader microcontroller category, helping engineers make a footprint-safe sourcing decision.

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ATTINY426-MU - 20MHz 4KB 8-Bit Microcontroller | Microchip
ATTINY426-MU

ATTINY426-MU - 20MHz 4KB 8-Bit Microcontroller | Microchip

The Microchip Technology ATTINY426-MU is an 8-bit AVR tinyAVR 2-series microcontroller operating at up to 20 MHz, with 4 KB of Flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 20-pin VQFN 3 x 3 mm package. It uses the AVR CPU with a hardware multiplier and is intended for compact embedded-control designs requiring low pin count, deterministic control, and flexible serial communications. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals onto one device. The ATTINY426 belongs to the tinyAVR 2 family, a low-power 8-bit microcontroller line commonly used for local control, sensing, actuator management, and small consumer or industrial products. Its 20-pin VQFN package supports space-constrained boards while exposing GPIO and communication resources needed for embedded subsystems. The device provides 4 KB of Flash for program storage, 512 bytes of SRAM for working data, and 128 bytes of EEPROM for nonvolatile parameter storage. The AVR CPU includes a hardware multiplier and operates at speeds up to 20 MHz. According to the Microchip ATtiny426 product page, the ATtiny426 family is available in 20-pin VQFN 3 x 3 mm, SSOP, and SOIC packages; the -MU ordering code identifies the 20-pin VQFN configuration. The tinyAVR 2 architecture emphasizes efficient event handling, configurable peripherals, and low-power operation. These characteristics make the ATTINY426-MU suitable for consumer appliances, building controls, sensor nodes, lighting systems, and compact motor-control or interface modules where a small MCU with integrated memories is preferable to a larger general-purpose processor. Typical designs use the microcontroller for state sequencing, digital input conditioning, sensor acquisition, and driving indicators or small actuators. Serial interfaces allow connection to sensors, memory, or host equipment, while GPIO pins support switches, alarms, and discrete control outputs. Designers should confirm clock, peripheral, and pin assignments in the ATtiny424/426/427/824/826/827 datasheet before finalizing the PCB. For low-power products, select the appropriate clock and sleep configuration, disable unused peripherals, and size external decoupling capacitors according to the circuit guidelines in the manufacturer datasheet. The small VQFN land pattern also requires careful PCB layout, assembly-process capability, and thermal review; adequate exposed-pad soldering and copper connectivity are important for reliable production performance. This product summary combines the exact ATTINY426-MU orderable configuration with the ATtiny426 family architecture, practical application guidance, package considerations, and sourcing information. It is intended to help engineers quickly assess whether the 20 MHz AVR core, 4 KB Flash footprint, and 3 x 3 mm VQFN package fit a specific embedded-control design.

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ATTINY426-XF - 20MHz 4KB AVR MCU | Microchip Technology
ATTINY426-XF

ATTINY426-XF - 20MHz 4KB AVR MCU | Microchip Technology

Microchip Technology ATTINY426-XF is an 8-bit tinyAVR 2 microcontroller with an AVR CPU and hardware multiplier, operating up to 20 MHz, with 4 KB Flash memory, 512 bytes SRAM, and 128 bytes EEPROM in a 20-pin SSOP package. The device combines a compact general-purpose control architecture with event systems and low-power design options for embedded control, industrial automation, consumer equipment, and connected products. A microcontroller is a compact semiconductor that integrates a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and input/output ports into one device. The tinyAVR 2 family belongs to the broader AVR microcontroller hierarchy, combining an 8-bit RISC architecture with event-driven peripherals and flexible low-power operation. This makes the family suitable for systems that need deterministic peripheral handling without the cost and complexity of a larger general-purpose processor. The ATTINY426 provides 4 KB of Flash for firmware, 512 bytes of SRAM for working data, and 128 bytes of nonvolatile EEPROM for configuration or retained parameters. Its AVR CPU includes a hardware multiplier and can run at up to 20 MHz. The manufacturer family documentation also identifies flexible low-power architecture, an Event System, and pin-count options ranging from 14 to 24 pins for related family members. The ATTINY426-XF is specified in a 20-pin SSOP package, making it suitable for compact PCB layouts where gull-wing leads are easier to inspect and assemble than fine-pitch QFN leads. Its 8-bit architecture is appropriate for supervisory functions, button and menu interfaces, sensor conditioning, actuator timing, communications, and embedded control loops. Compared with larger MCUs, the device limits application complexity while providing enough memory and processing speed for compact control tasks. Typical uses include industrial sensor modules, motor-control helpers, power-supply controllers, building automation, appliance control, and low-cost connected devices. Designers should confirm peripheral assignments, clock configuration, pin multiplexing, and programming requirements against the manufacturer data sheet before committing a footprint. The SSOP outline also provides adequate lead pitch for conventional assembly methods, although exposed-pad thermal considerations do not apply to this package. When designing around the ATTINY426-XF, treat power consumption and clock choice as part of the functional specification. A lower clock rate can reduce dynamic power consumption when the application does not require 20 MHz operation, while sleep modes and event-driven peripherals can reduce activity between external events. Decoupling capacitors should be placed directly beside the supply pins, and unused inputs should be configured to avoid floating states. This product page combines the manufacturer family specification, package and memory details, source citations, replacement guidance, and practical design considerations. It also distinguishes same-family alternatives from a true cross-brand replacement, helping engineers evaluate MCU migration requirements without overlooking pin compatibility, firmware differences, peripheral assignments, or qualification constraints.

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ATTINY426-XU - 20MHz 4KB AVR Microcontroller | Microchip
ATTINY426-XU

ATTINY426-XU - 20MHz 4KB AVR Microcontroller | Microchip

The Microchip Technology ATTINY426-XU is an 8-bit tinyAVR 2 microcontroller with a 20 MHz AVR CPU, 4 KB of Flash program memory, 512 bytes of SRAM, and 128 bytes of EEPROM in a 20-pin SSOP package. Its operating supply range is 1.8 V to 5.5 V, with frequency options of 5 MHz at 1.8 V, 10 MHz at 2.7 V, and 20 MHz for higher operating voltages. A microcontroller is a compact programmable controller that combines a processor core, nonvolatile program memory, data memory, and peripherals such as timers and serial interfaces on one semiconductor die. The ATTINY426 belongs to the tinyAVR 2 hierarchy: tinyAVR 2 microcontroller, 8-bit AVR RISC core, embedded microcontroller, and semiconductor. It is intended for compact control systems where a small footprint, low-power operation, and deterministic event handling are more important than high processing throughput. The AVR CPU includes a hardware multiplier and runs at up to 20 MHz. Four kilobytes of Flash support the boot program and application firmware, while 512 bytes of SRAM provide working memory and 128 bytes of EEPROM retain configuration values when the device is unpowered. The family also uses Microchip's event system and flexible low-power peripherals, allowing software-driven responses to external signals without continuous polling. The ATTINY426 is available in 14-pin, 20-pin, and 24-pin package configurations, including VQFN 3 x 3 mm, SSOP, and SOIC options. The ATTINY426-XU ordering code selects the 20-pin SSOP implementation. Its compact package and broad voltage range suit embedded controls, consumer accessories, compact industrial modules, and battery-powered products where a higher-performance processor would add unnecessary cost, power, or board area. A practical design must preserve the SSOP footprint, pin assignment, clock configuration, and programming interface when creating a PCB. Designers should also include adequate decoupling, confirm the voltage required for the selected clock frequency, and avoid relying on internal EEPROM for frequently updated data because of its limited endurance. The manufacturer data sheet should be consulted for the complete pin description, electrical limits, and programming details. This product page combines the manufacturer specifications, package information, sourcing paths, and engineering guidance needed to evaluate the ATTINY426-XU. It also identifies where a genuine same-package drop-in substitution is appropriate and explains the limitations that matter when replacing a microcontroller in an existing design.

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ATTINY43U-MU - 8MHz 4KB AVR MCU | Microchip Technology
ATTINY43U-MU

ATTINY43U-MU - 8MHz 4KB AVR MCU | Microchip Technology

Microchip Technology ATTINY43U-MU is an ultra-low-voltage 8-bit AVR RISC microcontroller with an 8 MHz maximum clock, 4 KB Flash memory, 64 B EEPROM, and 256 B SRAM in a 20-QFN-EP 4 x 4 mm package. The device provides 16 general-purpose I/O lines, 32 working registers, and two 8-bit timer/counters with two PWM channels. An 8-bit microcontroller is a compact embedded-control processor that executes firmware to monitor inputs, control outputs, and manage system timing. The ATTINY43U belongs to the AVR family of RISC-based embedded processors, with the ATtiny43U positioned as a low-power, low-pin-count device for compact control systems. Its resource mix of Flash program memory, EEPROM, and SRAM supports small control loops, parameter storage, and modest working-data requirements. Key features include 4 KB of Flash program memory, 64 B of EEPROM, 256 B of SRAM, and 16 general-purpose I/O lines. Two 8-bit timer/counters provide two PWM channels for timing and basic proportional-control functions. The manufacturer describes an advanced RISC architecture with 120 instructions, most of which execute in a single clock cycle, supporting an execution rate approaching 1 MIPS per MHz. The ATTINY43U uses the AVR8 architecture and is designed for low-voltage, low-power embedded control. Its 20-QFN-EP package provides 16 I/O capabilities while minimizing PCB area. The exposed-pad package designation supports compact surface-mount construction, although final thermal performance depends on the PCB copper and power dissipation of the selected operating mode. Typical applications include compact sensor interfaces, simple motor and actuator controllers, low-power condition-monitoring modules, industrial control tiles, and battery-operated equipment. In each case, the 8 MHz AVR core and small memory footprint are suitable for local control functions where a higher-performance MCU, larger memory system, or more complex package would add unnecessary cost or space. Designers should verify the complete electrical limits, ADC behavior, clock options, pin multiplexing, and exposed-pad connection directly against the manufacturer datasheet before layout. Because the 16 I/O lines share pins with specialized functions, peripheral assignments must be checked against the required application and board-level routing. This page consolidates verified manufacturer and distributor information for the ATTINY43U-MU, including memory characteristics, package details, sourcing links, application guidance, and documented gaps where complete electrical data was not present in the supplied search results.

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ATTINY43U-SU - 8MHz 4KB Flash AVR MCU | Microchip Technology
ATTINY43U-SU

ATTINY43U-SU - 8MHz 4KB Flash AVR MCU | Microchip Technology

The Microchip Technology ATTINY43U-SU is an ultra-low-voltage 8-bit AVR RISC microcontroller with 4 KB of Flash program memory, 64 bytes of EEPROM, 256 bytes of SRAM, and an 8 MHz maximum clock speed. The device provides 16 general-purpose I/O lines, 32 working registers, two 8-bit timer/counters with two PWM channels, and an internal oscillator. It is packaged as a 20-pin SOIC for compact embedded control designs. An 8-bit AVR microcontroller is a compact semiconductor controller that executes a reduced-instruction-set computer architecture embedded directly into a product. It belongs to the hierarchy of 8-bit microcontroller, RISC processor, embedded controller, and semiconductor. ATtiny devices combine program Flash, data EEPROM, SRAM, timers, serial interfaces, and I/O ports in one package, allowing a product to perform control and communication tasks without a separate processor. The ATTINY43U family combines 4 KB Flash with 64 bytes of EEPROM and 256 bytes of SRAM, providing separate areas for firmware, persistent configuration data, and volatile working memory. Its 16 I/O lines support digital sensing and control, while two 8-bit timer/counters with two PWM channels support timing, waveform generation, motor control, and dimming functions. The internal oscillator removes the need for an external clock in designs that do not require precise external frequency referencing. The ATtiny43U architecture provides 120 instructions, most of which execute in a single clock cycle, according to the manufacturer product description. Its register-based instruction set and 32 working registers support efficient control code. The device is also identified as an ultra-low-voltage part with a 0.9 V operating point, making it relevant to systems powered from low-energy cells or tightly regulated low-voltage rails. Typical uses include compact sensor nodes, battery-powered instruments, simple motor controls, LED lighting systems, low-cost control panels, and embedded products requiring a small pin-count microcontroller. The combination of 16 I/O lines and two PWM channels is particularly useful for compact devices that must operate several discrete inputs, drive indicators, and generate a controlled output waveform. When designing around the ATTINY43U-SU, verify the operating-voltage limits and current consumption required by the system power budget against the manufacturer datasheet. Preserve adequate decoupling near the supply pins and route high-current loads away from sensitive control traces. Programming, fuse settings, clock options, and application behavior should be validated with the AVR toolchain and the device-specific programming specification before production. This product record combines manufacturer specifications, package information, practical application guidance, and verified drop-in alternatives. It also highlights differences among identified same-package variants so engineers can assess compatibility before approving a replacement.

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ATTINY441-MU - 16MHz 8-bit AVR MCU 4KB Flash | Microchip Technology
ATTINY441-MU

ATTINY441-MU - 16MHz 8-bit AVR MCU 4KB Flash | Microchip Technology

The Microchip Technology ATTINY441-MU is an 8-bit AVR ATtiny microcontroller with a 16 MHz maximum clock, 4 KB flash memory, and a 20-pin 4 x 4 mm QFN exposed-pad package. It is designed for compact embedded control applications that require an 8-bit microcontroller, on-chip flash, and a small surface-mount footprint. The ATtiny441 belongs to the TinyAVR family of 8-bit AVR microcontrollers. An AVR microcontroller is an embedded processing IC that integrates a CPU core, program memory, data memory, I/O, and peripherals into a single device. In the broader product hierarchy, ATTINY441-MU is a microcontroller, an integrated circuit, and a semiconductor intended for control-oriented embedded systems. Verified distributor data identifies the device as an AVR ATtiny microcontroller operating up to 16 MHz, with 4 KB organized as 4K x 8 flash. It is offered in a 20-QFN-EP package measuring 4 x 4 mm. The exposed pad provides the package with a central thermal and electrical land, making careful PCB layout important for both assembly and heat transfer. The ATtiny441 family is suitable for compact industrial control, embedded automation, sensor conditioning, lighting control, and low-cost consumer products. Its 8-bit architecture is appropriate for sequential control, digital I/O handling, and low-bandwidth peripheral tasks rather than graphics-intensive or high-throughput applications. When designing a board around ATTINY441-MU, use a 4 x 4 mm QFN land pattern with an exposed-pad-aware footprint and verify the manufacturer pin assignment before layout release. Place decoupling close to the power pins and follow the manufacturer guidance for programming, clocking, and exposed-pad construction. This product page consolidates verified distributor and manufacturer information, package details, sourcing references, and engineering selection guidance. It is intended to help engineers identify the correct ATtiny441-MU package, compare related devices, and plan a manufacturable embedded-control design.

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ATTINY44A-MF - 20MHz 8-bit AVR MCU | Microchip Technology
ATTINY44A-MF

ATTINY44A-MF - 20MHz 8-bit AVR MCU | Microchip Technology

Microchip Technology ATTINY44A-MF is a 20 MHz, 8-bit AVR RISC-based microcontroller with 4 KB of ISP Flash memory, 256 bytes of EEPROM, 256 bytes of SRAM, and 12 general-purpose I/O lines in a 20-QFN-EP 4 x 4 mm package. It combines an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter, and serial communication resources in a compact low-power control platform. A microcontroller is a programmable integrated circuit containing a processor core, memory, and peripherals on one die. The AVR architecture belongs to the broader embedded-controller hierarchy, where an 8-bit RISC core executes compact control firmware. The ATtiny44A is specifically positioned for cost-sensitive embedded products requiring more computation and I/O than the smallest ATtiny devices but requiring less complexity and cost than larger 32-bit microcontrollers. The ATtiny44A provides 4 KB of Flash for program storage, 256 bytes each of SRAM and EEPROM, and 32 general-purpose working registers. Its 12 GPIO lines support digital interfaces, while the timer peripherals provide timing, counting, and PWM functions. The manufacturer identifies picoPower technology as a core feature, supporting low-power operation for battery-powered and energy-conscious equipment. The 20 MHz maximum clock rate gives embedded designers substantially more processing headroom than lower-speed 8-bit alternatives. The device combines an AVR instruction-set processor with on-chip Flash, SRAM, EEPROM, GPIO, timers, and serial interfaces. This integration reduces external component count and keeps firmware and control signals within one device. A 4 x 4 mm QFN package with an exposed pad supports compact PCB layouts, but the exposed-pad thermal and layout requirements must be followed to achieve reliable electrical and thermal performance. Typical uses include compact motor controllers, sensor nodes, lighting controls, battery-management equipment, industrial accessories, and low-cost consumer products. Its 12 GPIO lines are useful for buttons, indicators, logic-level sensors, and discrete actuators, while PWM outputs can support dimming, proportional control, or simple motor-drive functions. Designers should confirm the exact pin assignments and exposed-pad connection from the manufacturer datasheet before layout release. Input pins, supply rails, decoupling, programming access, and the exposed pad require deliberate PCB planning. Firmware and peripheral selection should also be validated against the specific ATtiny44A variant rather than inferred solely from the ATtiny24A/44A/84A family name. This page combines verified manufacturer and distributor information, practical application guidance, package details, and a parameter-focused comparison. It is intended to support faster engineering selection while clearly separating documented facts from data that still requires confirmation from the manufacturer datasheet.

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ATTINY44A-MU - 20MHz AVR MCU with 4KB Flash | Microchip
ATTINY44A-MU

ATTINY44A-MU - 20MHz AVR MCU with 4KB Flash | Microchip

Microchip Technology ATTINY44A-MU is an 8-bit AVR RISC-based picoPower microcontroller with a 20 MHz maximum clock, 4 KB of in-system programmable Flash memory, 256 B of EEPROM, 256 B of SRAM, and 12 general-purpose I/O lines in a 20-pin QFN/MLF package with an exposed pad. It is designed for compact, low-power embedded control and accepts a 1.8 V to 5.5 V operating supply range. An AVR microcontroller is a programmable semiconductor that integrates a CPU core, memory, timers, and peripheral interfaces on one device. The ATtiny44A belongs to the TinyAVR family, which sits below larger AVR devices in the hierarchy of RISC microcontroller, embedded processor, and integrated circuit. Its 32 general-purpose working registers support efficient execution of 8-bit instructions, while the 20-pin package supports compact PCB layouts in industrial, consumer, and battery-operated equipment. Key features include 4 KB of ISP Flash, 256 B of EEPROM, 256 B of SRAM, 12 general-purpose I/O lines, and an 8-bit timer/counter with two PWM channels. The 20 MHz operating frequency provides substantially more processing headroom than lower-speed members of the same family. The ATTINY44A-MU is identified as an industrial-temperature, green, 1.8 V to 5.5 V device in the supplied distributor information. The device uses the AVR 8-bit RISC architecture and provides a combination of GPIO, timer, PWM, serial programming, and analog-control capabilities. Its exposed thermal pad improves heat transfer from the die into the PCB, making copper-plane layout important even when the calculated device dissipation is modest. Applications can use the 12 I/O lines for switches, sensors, indicators, actuators, and digital communication signals. Typical uses include industrial sensor nodes, compact motor controllers, battery-powered monitors, small appliances, embedded instrumentation, and low-cost control boards. The ATtiny44A is particularly suitable when a design needs more Flash and I/O than the smallest ATtiny devices but does not require the resources of a larger ATmega or ATxmega microcontroller. Its small 4 x 4 mm QFN/MLF package also supports space-constrained products. Designers should place the exposed pad on a grounded copper area and follow the manufacturer's recommended decoupling and land-pattern requirements. Firmware must also account for the limited 256 B SRAM, while in-system programming permits programming and configuration after PCB assembly. The exact pin names, complete electrical limits, and thermal ratings should be confirmed against the manufacturer datasheet before layout release.

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ATTINY44A-PU - 20MHz 8-Bit AVR MCU | Microchip Technology
ATTINY44A-PU

ATTINY44A-PU - 20MHz 8-Bit AVR MCU | Microchip Technology

The Microchip Technology ATTINY44A-PU is a high-performance picoPower 8-bit AVR RISC-based microcontroller with 4 KB of ISP flash memory, 256 bytes of EEPROM, 256 bytes of SRAM, and 12 general-purpose I/O lines. It operates at up to 20 MHz and is packaged in a 14-pin PDIP. The device also provides 32 general-purpose working registers for efficient instruction execution. An 8-bit AVR microcontroller is a compact embedded-control semiconductor that combines a processor core, program memory, data memory, and peripherals on one integrated circuit. The AVR architecture uses a RISC instruction set and is part of the broader hierarchy of 8-bit microcontroller, embedded controller, and semiconductor products. The ATTINY44A-PU is designed for compact control systems in which modest processing throughput, flexible I/O, and integrated analog and timing functions are more important than high-speed computing. The device includes an 8-bit timer/counter with two PWM channels and a 16-bit timer/counter with two PWM channels. These timers support periodic timing, event counting, and programmable waveform generation. An 8-channel, 10-bit analog-to-digital converter enables digital firmware to measure analog input voltages, while 12 general-purpose I/O lines provide interfaces for sensors, switches, indicators, actuators, and external control logic. Its 4 KB in-system-programmable flash stores firmware, 256 bytes of EEPROM retain data that must survive power cycles, and 256 bytes of SRAM support working variables and stack operations. The in-system programming interface simplifies programming and updates when the device is mounted on a circuit board. Its 20 MHz maximum clock rate gives designers additional timing margin for peripheral servicing and compact control algorithms. Typical uses include low-cost embedded controllers, analog measurement nodes, lighting-control circuits, simple motor or actuator controllers, and compact sensor interfaces. The combination of PWM outputs and an ADC is especially useful when a design must acquire analog information and produce proportional control outputs without adding a separate digital signal processor. When designing a PCB, place the decoupling capacitor close to the supply pin and route programming signals consistently with the device pin description in the manufacturer datasheet. Confirm oscillator, reset, and I/O voltage limits against the intended supply voltage. Because the PDIP package is designed for through-hole assembly, mechanical spacing, lead alignment, and programming access should also be considered during layout. This product page combines the manufacturer's core device characteristics with practical assembly guidance, verified package details, family alternatives, and a parameter-focused comparison. It is intended to help engineers identify whether the ATTINY44A-PU's memory, timer, ADC, and PWM resources match a specific embedded-control design before schematic capture and PCB layout.

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ATTINY44A-SSU - 4KB Flash 20MHz 8-bit AVR MCU | Microchip
ATTINY44A-SSU

ATTINY44A-SSU - 4KB Flash 20MHz 8-bit AVR MCU | Microchip

The Microchip Technology (formerly Atmel) ATTINY44A-SSU is an 8-bit AVR RISC-based picoPower microcontroller delivering 20 MIPS throughput at 20 MHz, packaged in a 14-pin SOIC (150-mil narrow body, industrial -40C to +85C). It integrates 4 KB of In-System Programmable Flash, 256 bytes EEPROM, 256 bytes SRAM, 12 general-purpose I/O lines, and 32 general-purpose working registers. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working RAM, and programmable peripherals into one package. The 8-bit AVR RISC architecture is Harvard-based with separate program and data buses, executing most instructions in a single clock cycle. This places the ATTINY44A in the broader hierarchy: microcontroller -> embedded MCU -> semiconductor -> integrated circuit. It belongs to the tinyAVR subfamily, optimized for low pin-count, low-power applications. Key features include a 10-bit ADC with up to 8 channels, two 8-bit timer/counters with PWM, one 16-bit timer/counter with two PWM channels, an internal calibrated 8 MHz oscillator, internal voltage reference, programmable watchdog timer with separate on-chip oscillator, and four software-selectable power-saving modes. The chip operates from 1.8 V to 5.5 V, drawing as little as sub-microamp current in power-down. The AVR core uses single-cycle pipelined execution with a rich instruction set, simplifying C compiler code generation. ISP (In-System Programming) via SPI and debugWIRE on-chip debug eliminate the need for an external programmer port, while the peripheral touch controller supports capacitive sensing buttons for HMI. Typical applications include battery-powered sensor nodes, LED light controllers, remote controls, low-cost motor control, consumer appliances, and IoT edge devices. The wide voltage range and deep sleep modes make it suitable for energy-harvesting designs. Designers should configure unused pins as inputs with internal pull-ups enabled to minimize sleep current and prevent floating-node noise coupling into the analog ADC inputs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet.

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ATTINY48-AU - 12MHz 8-Bit AVR MCU | Microchip
ATTINY48-AU

ATTINY48-AU - 12MHz 8-Bit AVR MCU | Microchip

The Microchip ATTINY48-AU is an 8-bit AVR RISC-based microcontroller with a 12 MHz maximum clock, 4 KB of in-system programmable Flash, 64 bytes of EEPROM, and 256 bytes of SRAM, housed in a 32-TQFP 7 mm × 7 mm package. According to the verified Microchip product page, it operates from 1.8 V to 5.5 V and achieves up to 12 MIPS throughput at 12 MHz. A microcontroller is a programmable system-on-chip that executes firmware, reads inputs, controls outputs, and manages embedded-system timing. The ATTINY48 belongs to the ATtiny family of 8-bit AVR microcontrollers, within the broader embedded-processing and semiconductor hierarchy. Its picoPower architecture targets efficient low-voltage operation in compact control products. The verified device data identifies 8-bit and 16-bit timer/counters, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE on-chip debugging. These peripherals support motor and LED control, sensor acquisition, serial communication, and firmware debugging without requiring separate components for each function. The manufacturer product page specifically lists 4 KB of ISP Flash, 64 B EEPROM, and 256 B SRAM for the ATtiny48 family. Typical applications include compact industrial controls, sensor interfaces, LED and motor-control nodes, low-voltage embedded modules, and small consumer devices. The 1.8 V to 5.5 V operating range allows integration across common low-voltage systems, while the 32-TQFP package supports surface-mount manufacturing. Designers should preserve the ATtiny48 pin assignments, power requirements, programming interface, and clock configuration when creating a PCB footprint. Because the supplied verified data does not expose a complete manufacturer pinout table, individual pin names are not asserted here. Verify the package drawing and datasheet before final layout release.

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ATTINY48-AUR - 12MHz 8-Bit AVR MCU | Microchip (Tape & Reel)
ATTINY48-AUR

ATTINY48-AUR - 12MHz 8-Bit AVR MCU | Microchip (Tape & Reel)

The Microchip ATTINY48-AUR is an 8-bit AVR RISC-based microcontroller with a 12 MHz maximum clock, 4 KB of in-system programmable Flash, 64 bytes of EEPROM, and 256 bytes of SRAM, housed in a 32-TQFP 7 mm × 7 mm package. According to the verified Microchip product page, it operates from 1.8 V to 5.5 V and achieves up to 12 MIPS throughput at 12 MHz. A microcontroller is a programmable system-on-chip that executes firmware, reads inputs, controls outputs, and manages embedded-system timing. The ATTINY48 belongs to the ATtiny family of 8-bit AVR microcontrollers, within the broader embedded-processing and semiconductor hierarchy. Its picoPower architecture targets efficient low-voltage operation in compact control products. The verified device data identifies 8-bit and 16-bit timer/counters, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE on-chip debugging. These peripherals support motor and LED control, sensor acquisition, serial communication, and firmware debugging without requiring separate components for each function. The manufacturer product page specifically lists 4 KB of ISP Flash, 64 B EEPROM, and 256 B SRAM for the ATtiny48 family. Typical applications include compact industrial controls, sensor interfaces, LED and motor-control nodes, low-voltage embedded modules, and small consumer devices. The 1.8 V to 5.5 V operating range allows integration across common low-voltage systems, while the 32-TQFP package supports surface-mount manufacturing. Designers should preserve the ATtiny48 pin assignments, power requirements, programming interface, and clock configuration when creating a PCB footprint. Because the supplied verified data does not expose a complete manufacturer pinout table, individual pin names are not asserted here. Verify the package drawing and datasheet before final layout release.

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ATTINY48-MMU - 12MHz AVR Microcontroller, 4KB Flash | Microchip
ATTINY48-MMU

ATTINY48-MMU - 12MHz AVR Microcontroller, 4KB Flash | Microchip

Microchip ATTINY48-MMU is an 8-bit AVR RISC-based microcontroller with 4 KB of in-system programmable flash, 64 bytes of EEPROM, 256 bytes of SRAM, a 12 MHz maximum clock rate, and a 28-pin VQFN package measuring 4 x 4 mm. It operates from 1.8 V to 5.5 V and delivers up to 12 MIPS of throughput at 12 MHz. A microcontroller is a programmable semiconductor that combines a processor core, memory, and peripherals on one integrated circuit. The ATtiny48 belongs to the ATtiny family of low-power AVR devices, which use an enhanced RISC architecture and execute most instructions within one clock cycle. Its compact memory and peripheral set are intended for embedded control tasks that require deterministic operation without a large external processor or memory subsystem. The principal features include 4 KB of ISP flash, 64 bytes of EEPROM, and 256 bytes of SRAM. Peripherals include an 8-bit timer/counter, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE on-chip debugging. The 12 MHz operating frequency supports responsive control loops while the 1.8 V to 5.5 V supply range allows operation across common embedded voltage domains. The enhanced AVR architecture supports throughput approaching 1 MIPS per MHz, while the ATtiny48 reaches up to 12 MIPS at 12 MHz. ISP programming allows firmware to be written and updated through a serial programming interface, and debugWIRE provides a compact debug connection. The 10-bit ADC supports analog measurement, while the 16-bit timer with PWM provides timing and waveform-generation functions for embedded control systems. Typical applications include compact industrial controllers, low-power sensor nodes, LED lighting controllers, motor-control modules, and small consumer products. The device is particularly suitable when the design needs more local processing and analog measurement than a basic fixed-function controller, but does not require the memory capacity of a larger 8-bit or 32-bit MCU. PCB design should account for the exposed-pad thermal and electrical connection required by the 28-pin VQFN package. Place the device’s decoupling capacitor close to its supply pins, route programming and debug signals away from sensitive analog inputs, and follow the manufacturer’s land-pattern and exposed-pad guidance during assembly. This product page organizes the manufacturer specifications, verified source links, package information, practical design guidance, and clearly qualified drop-in alternatives. It is intended to accelerate component selection while preserving the need to validate firmware, timing, memory, and thermal performance during hardware design.

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ATTINY48-MU - 4KB 12MHz AVR MCU | Microchip Technology
ATTINY48-MU

ATTINY48-MU - 4KB 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY48-MU is a low-power picoPower 8-bit AVR RISC microcontroller with 4 KB of in-system programmable Flash, 64 B of EEPROM, 256 B of SRAM, and a maximum clock frequency of 12 MHz, housed in a 32-VQFN package measuring 5 x 5 mm. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, timers, communication interfaces, and analog peripherals on one integrated circuit. In the broader hierarchy, the ATTINY48 belongs to the AVR enhanced RISC family of 8-bit embedded microcontrollers, with features suitable for compact control, sensing, and communications designs. Its 1.8 V to 5.5 V operating range supports both low-voltage and conventional 5 V systems. The device provides up to 12 MIPS throughput at 12 MHz and executes powerful instructions in a single clock cycle. Integrated resources include an 8-bit timer/counter, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE for on-chip debugging. The 4 KB Flash memory is organized as 2K x 16 according to the verified distributor data, while the 64 B EEPROM preserves nonvolatile data and the 256 B SRAM supports working memory. The ATTINY48-MU combines an 8-bit RISC core with multiple mixed-signal peripherals in a compact 32-pin surface-mount package. Its picoPower architecture targets low-power embedded operation, making clocking, peripheral shutdown, and sleep-mode planning important during firmware development. The 10-bit ADC supports analog measurement, while SPI supports communication with sensors, displays, memory, and other digital peripherals. Typical applications include low-power sensor nodes, industrial control modules, compact motor controllers, metering equipment, simple communication hubs, and embedded automation. The 12 MHz operating point is useful when firmware requires more timing headroom than a low-clock microcontroller while retaining a modest 8-bit processing footprint. The 5 x 5 mm VQFN package also supports dense board layouts where reduced footprint and careful exposed-pad thermal management are priorities. For new layouts, follow the manufacturer package and pin-assignment documentation exactly, connect the exposed pad to the intended thermal and electrical plane, and validate the power, decoupling, programming, and debug interfaces before layout release. Firmware should also verify analog reference, timer prescaling, peripheral clock gating, and unused-pin states. This page combines verified product, distributor, application, and design information to support component selection without treating unverified alternatives as drop-in replacements.

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ATTINY48-MUR - 4KB 12MHz AVR MCU | Microchip Technology (Tape & Reel)
ATTINY48-MUR

ATTINY48-MUR - 4KB 12MHz AVR MCU | Microchip Technology (Tape & Reel)

The Microchip Technology ATTINY48-MUR is a low-power picoPower 8-bit AVR RISC microcontroller with 4 KB of in-system programmable Flash, 64 B of EEPROM, 256 B of SRAM, and a maximum clock frequency of 12 MHz, housed in a 32-VQFN package measuring 5 x 5 mm. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, timers, communication interfaces, and analog peripherals on one integrated circuit. In the broader hierarchy, the ATTINY48 belongs to the AVR enhanced RISC family of 8-bit embedded microcontrollers, with features suitable for compact control, sensing, and communications designs. Its 1.8 V to 5.5 V operating range supports both low-voltage and conventional 5 V systems. The device provides up to 12 MIPS throughput at 12 MHz and executes powerful instructions in a single clock cycle. Integrated resources include an 8-bit timer/counter, a 16-bit timer/counter with PWM, a 10-bit analog-to-digital converter, SPI, and debugWIRE for on-chip debugging. The 4 KB Flash memory is organized as 2K x 16 according to the verified distributor data, while the 64 B EEPROM preserves nonvolatile data and the 256 B SRAM supports working memory. The ATTINY48-MUR combines an 8-bit RISC core with multiple mixed-signal peripherals in a compact 32-pin surface-mount package. Its picoPower architecture targets low-power embedded operation, making clocking, peripheral shutdown, and sleep-mode planning important during firmware development. The 10-bit ADC supports analog measurement, while SPI supports communication with sensors, displays, memory, and other digital peripherals. Typical applications include low-power sensor nodes, industrial control modules, compact motor controllers, metering equipment, simple communication hubs, and embedded automation. The 12 MHz operating point is useful when firmware requires more timing headroom than a low-clock microcontroller while retaining a modest 8-bit processing footprint. The 5 x 5 mm VQFN package also supports dense board layouts where reduced footprint and careful exposed-pad thermal management are priorities. For new layouts, follow the manufacturer package and pin-assignment documentation exactly, connect the exposed pad to the intended thermal and electrical plane, and validate the power, decoupling, programming, and debug interfaces before layout release. Firmware should also verify analog reference, timer prescaling, peripheral clock gating, and unused-pin states. This page combines verified product, distributor, application, and design information to support component selection without treating unverified alternatives as drop-in replacements.

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ATTINY48-PU - 4KB, 12MHz 8-Bit AVR MCU | Microchip
ATTINY48-PU

ATTINY48-PU - 4KB, 12MHz 8-Bit AVR MCU | Microchip

The Microchip ATTINY48-PU is a low-power 8-bit AVR microcontroller with a 12 MHz maximum clock, 4 KB of in-system programmable Flash memory, and a 28-pin PDIP package. It operates from a 1.8 V to 5.5 V supply, making it suitable for embedded controls, sensor interfaces, and compact low-voltage products. The AVR enhanced RISC architecture executes instructions in a single clock cycle and supports throughput approaching 1 MIPS per MHz. A microcontroller is a programmable semiconductor that integrates a CPU core, Flash program memory, data memory, I/O ports, and peripherals on one chip. The ATTINY48 belongs to the ATtiny AVR family, a low-power 8-bit microcontroller family commonly used for cost-sensitive embedded control. Its integrated peripherals allow a design to replace separate logic devices, timers, and interface components when processing requirements are modest. The ATTINY48-PU provides 4 KB of In-System Programmable Flash memory organized as 2K × 16 words, plus 256 bytes of SRAM and 64 bytes of EEPROM according to the supplied comparison source. It includes I2C and SPI connectivity, timer and PWM resources, and a 12 MHz operating speed. The 1.8 V to 5.5 V supply range supports operation across common embedded supply domains while allowing lower-voltage designs to reduce power consumption. The 28-pin PDIP package provides a through-hole format suitable for prototypes, educational projects, and manually assembled boards. Its larger lead spacing is easier to access with a breadboard or through-hole PCB than a fine-pitch surface-mount package. The tradeoff is greater board area compared with a surface-mount MCU, so the package is usually favored where assembly convenience matters more than minimum footprint. Typical uses include sensor nodes, simple motor or actuator controllers, LED status indicators, low-cost instrumentation, and embedded interface modules. The 12 MHz clock provides ample timing resolution for many control loops, while the 4 KB Flash limit requires careful firmware sizing. Applications requiring substantially more code, RAM, or high-speed processing should use a larger AVR or another microcontroller family. When laying out a design, place decoupling capacitors close to the supply pins and route programming, reset, and clock signals away from noisy switching nodes. Confirm the device’s pin functions, operating voltage, and programming requirements against the manufacturer datasheet before layout release. This page consolidates distributor sourcing data, package information, application guidance, and verified replacement limitations.

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ATTINY5-MAH - 12MHz 512B AVR Microcontroller | Microchip
ATTINY5-MAH

ATTINY5-MAH - 12MHz 512B AVR Microcontroller | Microchip

The Microchip Technology ATTINY5-MAH is an 8-bit AVR RISC-based CMOS microcontroller with a 12 MHz maximum core speed, 512 bytes of Flash program memory, 32 bytes of SRAM, and four general-purpose I/O lines in an 8-UDFN USON package. According to the verified product data, it is designed for compact embedded control and low-power applications where an 8-bit controller, timer, PWM, watchdog, and brown-out reset are sufficient. An AVR microcontroller is a small RISC-based embedded controller used to read inputs, execute firmware, and drive outputs in compact electronic systems. The ATTINY5 belongs to the TinyAVR family, combining a processor core, Flash memory, SRAM, registers, timers, and I/O in one integrated device. Its small package and modest memory footprint make it useful for dedicated control functions rather than general-purpose computing. Verified features include 512 bytes of Flash memory organized as 256 x 16 bits, 32 bytes of SRAM, four I/O pins, a 16-bit timer/counter with two PWM channels, 16 general-purpose working registers, power-on reset, watchdog timer, and PWM support. The verified distributor listing identifies a 12 MHz core and a 1.8 V to 5.5 V supply range. The ATTINY5-MAH uses the AVR architecture and an 8-UDFN package with an exposed pad according to the supplied product listings. The exposed-pad construction and limited pin count demand careful PCB layout, thermal-pad soldering, and signal-routing attention. The device is suitable for simple motor, lighting, sensor, and low-cost control products where firmware fits within the available memory. Typical uses include small motor controllers, LED drivers, sensor nodes, simple keypads, and compact consumer accessories. Its 12 MHz speed provides useful timing headroom, while four I/O lines constrain designs that need more external signals. A designer should verify package-specific pin mapping and programming requirements against the manufacturer datasheet before layout release. This page consolidates the verified distributor specifications, sourcing information, package identity, and design constraints into an engineering reference. Pricing, availability, lifecycle status, and detailed electrical limits should be reconfirmed with the manufacturer or authorized distributor before production procurement.

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ATTINY5-MAHR - 12MHz 512B AVR Microcontroller | Microchip (Tape & Reel)
ATTINY5-MAHR

ATTINY5-MAHR - 12MHz 512B AVR Microcontroller | Microchip (Tape & Reel)

The Microchip Technology ATTINY5-MAHR is an 8-bit AVR RISC-based CMOS microcontroller with a 12 MHz maximum core speed, 512 bytes of Flash program memory, 32 bytes of SRAM, and four general-purpose I/O lines in an 8-UDFN USON package. According to the verified product data, it is designed for compact embedded control and low-power applications where an 8-bit controller, timer, PWM, watchdog, and brown-out reset are sufficient. An AVR microcontroller is a small RISC-based embedded controller used to read inputs, execute firmware, and drive outputs in compact electronic systems. The ATTINY5 belongs to the TinyAVR family, combining a processor core, Flash memory, SRAM, registers, timers, and I/O in one integrated device. Its small package and modest memory footprint make it useful for dedicated control functions rather than general-purpose computing. Verified features include 512 bytes of Flash memory organized as 256 x 16 bits, 32 bytes of SRAM, four I/O pins, a 16-bit timer/counter with two PWM channels, 16 general-purpose working registers, power-on reset, watchdog timer, and PWM support. The verified distributor listing identifies a 12 MHz core and a 1.8 V to 5.5 V supply range. The ATTINY5-MAHR uses the AVR architecture and an 8-UDFN package with an exposed pad according to the supplied product listings. The exposed-pad construction and limited pin count demand careful PCB layout, thermal-pad soldering, and signal-routing attention. The device is suitable for simple motor, lighting, sensor, and low-cost control products where firmware fits within the available memory. Typical uses include small motor controllers, LED drivers, sensor nodes, simple keypads, and compact consumer accessories. Its 12 MHz speed provides useful timing headroom, while four I/O lines constrain designs that need more external signals. A designer should verify package-specific pin mapping and programming requirements against the manufacturer datasheet before layout release. This page consolidates the verified distributor specifications, sourcing information, package identity, and design constraints into an engineering reference. Pricing, availability, lifecycle status, and detailed electrical limits should be reconfirmed with the manufacturer or authorized distributor before production procurement.

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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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