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ATTINY20-MMH - 8-Bit 12MHz AVR MCU 2KB Flash | Microchip
ATTINY20-MMH

ATTINY20-MMH - 8-Bit 12MHz AVR MCU 2KB Flash | Microchip

Microchip Technology ATTINY20-MMH is an 8-bit AVR® enhanced RISC-based microcontroller operating at up to 12 MHz with 2 KB of in-system-programmable Flash memory and 128 B SRAM. It is packaged in a 20-pin VQFN (3x3 mm) package and is positioned for compact embedded control applications. According to the Microchip product information, the device combines 12 general-purpose I/O lines, 16 general-purpose working registers, an 8-bit timer/counter with two PWM channels, and a 16-bit timer/counter. The ATtiny20 belongs to the TinyAVR family of 8-bit AVR microcontrollers. An AVR microcontroller is a semiconductor controller that combines a CPU core, program memory, data memory, I/O ports, timers, and peripherals on one integrated circuit. Its compact enhanced RISC architecture executes many instructions in a single clock cycle, providing useful processing throughput while supporting low-power embedded-system designs. The ATTINY20-MMH is therefore suitable for control logic, sensor interfaces, and small autonomous systems where package size and integration matter. Verified product information identifies 2 KB (1K x 16) of Flash memory, 128 B SRAM, 12 general-purpose I/O lines, 16 general-purpose working registers, and timer resources including an 8-bit timer/counter with two PWM channels. The supplied distributor listings also identify a 12 MHz maximum device speed, a 20-VQFN package, and an ADC-related feature set. These characteristics make the part suitable for embedded control rather than high-compute applications. Typical uses include compact sensor nodes, industrial control modules, small motor or actuator controllers, keyboard and interface controllers, and low-power embedded subsystems. The 12 MHz clock rate provides a practical balance between processing capability and power consumption, while the 3x3 mm VQFN package supports space-constrained boards. The device's 12 I/O lines provide connectivity for sensors, indicators, logic signals, and control outputs. Designers should verify the exact pin functions, exposed-pad connection, operating voltage limits, ADC characteristics, clock configuration, and programming interface against the manufacturer datasheet before layout or firmware deployment. The verified search data confirms the core identity and package, but detailed electrical limits are not included in the supplied records. This page combines the verified manufacturer and distributor information with purchasing, comparison, and design guidance intended to support an informed sourcing and engineering review.

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ATTINY20-SSU - 12MHz 8-Bit AVR MCU | Microchip Technology
ATTINY20-SSU

ATTINY20-SSU - 12MHz 8-Bit AVR MCU | Microchip Technology

The Microchip Technology ATTINY20-SSU is an 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 2 KB of in-system programmable Flash memory, 128 bytes of SRAM, and a 14-pin SOIC package. It provides 12 general-purpose I/O lines, a 10-bit ADC, I2C and SPI interfaces, and an operating range of -40°C to +85°C for compact embedded control systems. An 8-bit microcontroller is a programmable integrated circuit designed to execute control logic, measure analog inputs, and coordinate digital peripherals. The ATTINY20 belongs to the ATtiny family, which combines a compact AVR enhanced RISC core with low-power CMOS operation and integrated mixed-signal peripherals. In the product hierarchy, it is an AVR microcontroller, an embedded processor, and a semiconductor intended for cost-sensitive embedded applications. The device's 2 KB Flash memory provides 1K x 16 bits of program storage for bootloader and application code. Its 128-byte SRAM supports working variables and stack operations, while 16 general-purpose working registers support efficient instruction execution. A single-cycle execution strategy allows the architecture to approach 1 MIPS per MHz, making the 12 MHz clock capable of responsive control without a larger processor. Integrated peripherals reduce the component count of compact control boards. The 10-bit ADC supports analog measurement, the I2C and SPI interfaces allow connection to sensors and serial devices, and the timer resources include an 8-bit timer with two PWM channels and a 16-bit timer. The 12 available GPIO lines can support digital inputs, outputs, interrupts, and common bus functions through the device's multiplexing capabilities. Typical applications include compact sensor nodes, simple motor and actuator controllers, low-cost industrial interfaces, LED and lighting controllers, and small battery-powered instruments. The ATtiny20-UUR is a related site-listed device, while the ATTINY20-SSUR is the tape-and-reel ordering form of the same 14-SOIC microcontroller family and can support automated assembly workflows. When designing a board, verify every 14-pin SOIC signal against the manufacturer pin-description table, especially multiplexed functions and supply pins. Provide a stable decoupled VCC connection, route programming and serial signals away from noisy analog inputs, and include an accessible programming interface for production programming and field updates. This product page combines manufacturer specifications, package and programming guidance, source links, comparison parameters, and application-oriented design notes to support faster component selection and PCB implementation. It also identifies where pin, electrical, and lifecycle details require confirmation against the current manufacturer documentation before a production release.

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ATTINY20-UUR - 12MHz AVR MCU, 2KB Flash | Microchip
ATTINY20-UUR

ATTINY20-UUR - 12MHz AVR MCU, 2KB Flash | Microchip

Microchip Technology ATTINY20-UUR is an 8-bit AVR RISC-based microcontroller operating at up to 12MHz, with 2KB of in-system programmable Flash memory, 128 bytes of SRAM, and 12 general-purpose I/O lines in a 12-ball WLCSP package measuring 1.56mm by 1.4mm. The device also provides 16 general-purpose working registers and an 8-bit timer/counter with two PWM channels. A microcontroller is a compact programmable control component that integrates a processor core, nonvolatile program memory, working memory, and peripherals into one package. The ATtiny20 belongs to the AVR family of 8-bit RISC microcontrollers, which sit within the broader hierarchy of embedded processors and semiconductor devices. Its compact package and mixed-signal peripherals are useful for space-constrained embedded-control products that need deterministic local processing without a larger microcontroller. The ATTINY20-UUR supports up to 12 MIPS throughput through a high-performance, low-power AVR architecture. Its 112-instruction set and most single-clock-cycle execution capability suit compact control loops, simple serial communication, and peripheral control. Program storage is organized as 2KB of Flash, while the 128-byte SRAM provides volatile working space. Twelve I/O lines allow the device to connect to sensors, indicators, actuators, and external control interfaces within a small board area. The ATtiny20 family combines an 8-bit timer/counter with two PWM channels and a 16-bit timer/counter with a 10-bit comparator, according to the verified Microchip product-page data. These timers support periodic event generation, timing, and proportional control functions. The family operates from 1.8V to 5.5V, as identified in the verified comparison data, making it suitable for systems whose available supply voltage falls within that range. Typical uses include compact consumer accessories, sensor-interface modules, LED and lighting controls, small motor-control functions, industrial control nodes, and embedded household products. The 12-ball WLCSP format is especially useful when minimizing component footprint is more important than using a leaded package. Designers should still plan PCB assembly and inspection around the very small ball pitch and provide suitable bypass capacitance close to the supply pins. A principal design consideration is that the 2KB Flash capacity is intentionally modest. Code must be selected to fit available program memory, while the 128-byte SRAM requires careful attention to stack depth and buffer allocation. Firmware that otherwise fits can exceed practical memory constraints when interrupt handlers, libraries, and diagnostic code are added. A precise WLCSP land pattern, verified programming setup, and manufacturer-recommended decoupling are therefore essential to a reliable implementation. This product record combines verified Microchip specifications, distributor availability and pricing references, package information, replacement analysis, and practical implementation guidance. It is intended to help engineers determine whether the ATtiny20's small memory footprint and compact 12-ball WLCSP package meet the needs of a specific embedded-control design.

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ATTINY20-XU - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip
ATTINY20-XU

ATTINY20-XU - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip

The Microchip ATTINY20-XU is a low-power 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 2 KB of ISP flash memory, 128 bytes of SRAM, and a 14-pin TSSOP package. It provides 12 general-purpose I/O lines and integrates an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter, a 10-bit ADC, and UART, SPI, and TWI serial interfaces. What is an 8-bit AVR microcontroller? An AVR microcontroller is a programmable embedded controller that combines a processor core, nonvolatile program memory, data memory, and peripherals on one semiconductor device. The ATTINY20 belongs to the ATtiny family, a compact branch of 8-bit RISC microcontrollers used for control, sensing, communication, and low-power automation. Its reduced instruction set and integrated peripherals make it suitable for small standalone systems rather than high-compute workloads. The ATTINY20-XU emphasizes compact embedded control with 2 KB of flash and 128 bytes of SRAM. According to the verified Microchip product information, the device uses a high-performance, low-power AVR 8-bit RISC architecture and supports up to 12 MIPS throughput through fully static operation. Its 10-bit ADC enables basic analog measurements, while dual PWM outputs support dimming, speed control, and other waveform-based functions. The TSSOP-14 package keeps the device compatible with surface-mount PCB assembly while exposing the ATtiny20's I/O and power connections. Programming is supported through the device's in-system programming resources, subject to the programming connector, fuse settings, and timing requirements in the Microchip datasheet. The verified distributor listings identify ATTINY20-XU as an industrial-temperature 2.5 V, 3.3 V, and 5 V device. Typical applications include compact sensor nodes, simple motor and actuator controllers, LED dimming, industrial control modules, and low-cost communication peripherals. For analog sensing, the ADC and 12 I/O lines reduce external component count; for motor or LED control, the two PWM channels provide a direct output path. Designers should verify ADC accuracy, timer limits, pin multiplexing, and supply-specific limits in the manufacturer datasheet. For a new design, confirm the exact pinout, fuse configuration, programming interface, clock source, and package dimensions before layout. The XU ordering suffix identifies the verified TSSOP package option, but it does not by itself establish toolchain, lifecycle, or lead-time commitments. This page combines verified product information, sourcing context, application guidance, and replacement considerations beyond a basic distributor listing.

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ATTINY20-XUR - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip (Tape & Reel)
ATTINY20-XUR

ATTINY20-XUR - 12MHz 8-Bit AVR MCU, 2KB Flash | Microchip (Tape & Reel)

The Microchip ATTINY20-XUR is a low-power 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 2 KB of ISP flash memory, 128 bytes of SRAM, and a 14-pin TSSOP package. It provides 12 general-purpose I/O lines and integrates an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter, a 10-bit ADC, and UART, SPI, and TWI serial interfaces. What is an 8-bit AVR microcontroller? An AVR microcontroller is a programmable embedded controller that combines a processor core, nonvolatile program memory, data memory, and peripherals on one semiconductor device. The ATTINY20 belongs to the ATtiny family, a compact branch of 8-bit RISC microcontrollers used for control, sensing, communication, and low-power automation. Its reduced instruction set and integrated peripherals make it suitable for small standalone systems rather than high-compute workloads. The ATTINY20-XUR emphasizes compact embedded control with 2 KB of flash and 128 bytes of SRAM. According to the verified Microchip product information, the device uses a high-performance, low-power AVR 8-bit RISC architecture and supports up to 12 MIPS throughput through fully static operation. Its 10-bit ADC enables basic analog measurements, while dual PWM outputs support dimming, speed control, and other waveform-based functions. The TSSOP-14 package keeps the device compatible with surface-mount PCB assembly while exposing the ATtiny20's I/O and power connections. Programming is supported through the device's in-system programming resources, subject to the programming connector, fuse settings, and timing requirements in the Microchip datasheet. The verified distributor listings identify ATTINY20-XUR as an industrial-temperature 2.5 V, 3.3 V, and 5 V device. Typical applications include compact sensor nodes, simple motor and actuator controllers, LED dimming, industrial control modules, and low-cost communication peripherals. For analog sensing, the ADC and 12 I/O lines reduce external component count; for motor or LED control, the two PWM channels provide a direct output path. Designers should verify ADC accuracy, timer limits, pin multiplexing, and supply-specific limits in the manufacturer datasheet. For a new design, confirm the exact pinout, fuse configuration, programming interface, clock source, and package dimensions before layout. The XU ordering suffix identifies the verified TSSOP package option, but it does not by itself establish toolchain, lifecycle, or lead-time commitments. This page combines verified product information, sourcing context, application guidance, and replacement considerations beyond a basic distributor listing.

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ATTINY204-SSFR - 8-bit AVR tinyAVR 0 MCU, 2KB Flash, 14-SOIC
ATTINY204-SSFR

ATTINY204-SSFR - 8-bit AVR tinyAVR 0 MCU, 2KB Flash, 14-SOIC

The Microchip ATTINY204-SSFR is an 8-bit AVR tinyAVR 0-series microcontroller with 2 KB Flash, 128 bytes SRAM, and 64 bytes EEPROM, operating up to 16 MHz in a 14-pin SOIC package. It is functionally safety (FuSa) capable and features a hardware multiplier, Event System, SleepWalking peripherals, and accurate analog peripherals including a 10-bit ADC. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, I/O peripherals, and often analog blocks onto one silicon die. The ATTINY204 belongs to the tinyAVR 0 family, the smallest and most power-efficient subfamily of the 8-bit AVR RISC architecture introduced by Atmel (now Microchip). tinyAVR 0 sits within the hierarchy: microcontroller -> embedded controller -> 8-bit MCU -> AVR -> tinyAVR -> tinyAVR 0-series, and is positioned for cost- and pin-constrained designs where full-size ATmega or ATtiny 1-series MCUs are too large. Key differentiating features include a 10-bit ADC with up to 12 channels, configurable custom logic (CCL), and a 16-bit Timer/Counter type A with three compare channels for PWM generation. The device runs from 1.8 V to 5.5 V and supports Sleep modes drawing under 1 uA. The Event System and SleepWalking allow peripherals to operate autonomously without waking the CPU, an essential feature for battery-powered and energy-harvesting applications. Architecturally, the ATTINY204 uses the classic AVR RISC core with single-level pipelining and most instructions executing in a single clock cycle. A hardware multiplier accelerates 8-bit by 8-bit multiplications to two cycles. The Flash, SRAM, and EEPROM are mapped on a unified address bus with EEPROM accessed through a dedicated peripheral, simplifying wear-leveling application code. Typical applications include low-power IoT sensor nodes, LED lighting controls, capacitive touch user interfaces, consumer remote controls, and battery-powered wearables. In each scenario, the small 14-pin footprint combined with flexible peripherals allows PCB space below 25 mm x 25 mm. A key design consideration is the maximum operating voltage: 5.5 V absolute maximum. Designers must ensure VDD never exceeds this limit, including during hot-plug or USB bus-powered events. Decoupling with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin is recommended. This page synthesizes distributor pricing for the ATTINY204-SSFR, drop-in alternatives within the same 14-SOIC package, and practical design notes not consolidated in the manufacturer datasheet.

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ATTINY212-SSN - 8-Bit 20MHz AVR tinyAVR 1 MCU | 8-SOIC | Microchip
ATTINY212-SSN

ATTINY212-SSN - 8-Bit 20MHz AVR tinyAVR 1 MCU | 8-SOIC | Microchip

The Microchip Technology ATTINY212-SSN is an 8-bit AVR RISC microcontroller belonging to the tinyAVR 1-series, featuring a hardware multiplier, 2 KB of Flash program memory, 128 bytes of SRAM, and 64 bytes of EEPROM in an 8-pin SOIC package. It operates at up to 20 MHz across a 1.8 V to 5.5 V supply range and is qualified for Functional Safety (FuSa) applications. The device integrates an event system, SleepWalking peripherals, accurate analog features, and advanced peripherals in a footprint designed for space-constrained designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working memory, and programmable I/O peripherals. The ATTINY212-SSN falls into the 8-bit microcontroller hypernym hierarchy: 8-bit MCU -> AVR RISC MCU -> tinyAVR 1-series MCU -> low-power microcontroller -> embedded system IC -> semiconductor. Its 8-bit AVR architecture executes one instruction per clock cycle, giving it deterministic performance well-suited to real-time control tasks such as sensor reading, PWM generation, and low-rate serial communication. Key specifications include 2 KB of self-programmable Flash, 128 bytes of SRAM, 64 bytes of EEPROM, six general-purpose I/O pins, a 10-bit ADC with up to 6 channels, a 16-bit Timer/Counter type A, and a USART with LIN support. The device consumes only a few microamperes in active mode and drops into sub-microamp sleep modes with peripheral interrupts, allowing battery-powered designs to run for years from a single cell. Internal 20 MHz calibrated oscillator eliminates the need for an external crystal in many designs. Typical applications include battery management ICs, LED drivers, sensor node controllers, home automation endpoints, capacitive-touch user interfaces, and industrial sensor transmitters. The SOIC-8 footprint simplifies hand-soldering and rework on 2-layer boards while remaining compatible with automated pick-and-place assembly. The wide 1.8 V to 5.5 V operating range allows direct connection to single-cell Li-ion, two-cell alkaline, or 3.3 V/5 V system rails without level shifting. When designing with the ATTINY212-SSN, allocate sufficient decoupling (100 nF close to VDD) and follow the datasheet's recommended UPDI programming pinout for in-system updates. The 20-pin-functional-mode multiplexing requires careful pin-function selection early in the firmware architecture to avoid late-stage rework.

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ATTINY2313A-SU - 20MHz 8-bit AVR MCU, 2KB Flash | Microchip
ATTINY2313A-SU

ATTINY2313A-SU - 20MHz 8-bit AVR MCU, 2KB Flash | Microchip

The Microchip (formerly Atmel) ATTINY2313A-SU is a high-performance, picoPower 8-bit AVR RISC-based CMOS microcontroller featuring 2KB of in-system programmable Flash, 128B EEPROM, 128B SRAM, and 18 general-purpose I/O lines, all housed in a 20-pin SOIC (SOIC-20) wide-body package. It executes instructions in a single clock cycle, achieving throughputs up to 20 MIPS at 20MHz, with a wide operating voltage range of 1.8V to 5.5V that makes it suitable for both battery-powered and 5V-regulated systems. An 8-bit microcontroller (MCU) is a small computing system-on-chip integrating a CPU core, program and data memory, and programmable I/O peripherals on a single die. The AVR RISC architecture used in the ATtiny2313A family is a Harvard-variant 8-bit core whose instruction set was designed for single-cycle execution and a uniform 16-bit instruction word, giving it a strong code-density and deterministic interrupt latency versus accumulator-based legacy 8-bit cores such as the 8051. The 'picoPower' designation refers to Microchip's family of ultra-low-power AVR devices with sub-microamp sleep currents and multiple software-controlled power-reduction modes. Key features of the ATTINY2313A-SU include two flexible Timer/Counter peripherals with compare and PWM modes, a full-duplex hardware USART for asynchronous serial communication, a Universal Serial Interface (USI) supporting SPI and TWI (I2C), a single-wire debugWIRE on-chip debug interface, an internal calibrated RC oscillator, and an internal analog comparator. It also supports 12 interrupt sources, an enhanced watchdog timer with separate on-chip oscillator, and an interrupt-on-pin-change capability across all I/O lines. The 20-MHz maximum clock and 2KB ISP Flash (endurance >=10,000 write/erase cycles per Microchip datasheet) enable it to replace legacy discrete logic in compact embedded designs. Architecturally, the ATtiny2313A uses a 32 x 8-bit general-purpose working register file directly connected to the ALU, allowing two independent registers to be accessed in one cycle. The program memory is organized as 1K x 16 bits (Flash) and the device includes a true Read-While-Write self-programming mechanism via the on-chip boot block, which simplifies in-field firmware updates. The USART supports both asynchronous and synchronous modes with fractional baud-rate generator, and the USI module can act as SPI master/slave or TWI master/slave. Typical applications include USB-to-serial bridge replacements, IR remote control transmitters and receivers, consumer appliance controllers, simple sensor hubs, LED lighting controllers, and compact logic-replacement subsystems. The wide voltage range and low-power sleep modes also make it attractive for battery-driven products such as wireless sensor nodes, smart locks, and wearables. When designing with this part, choose the internal calibrated RC oscillator for cost- and pin-sensitive designs, or add an external crystal on PB4/XTAL1 and PB5/XTAL2 when frequency accuracy matters. Decouple VCC (pins 1 and 19) with a 100nF ceramic capacitor placed within a few millimeters of the supply pins, and keep ISP programming traces short to avoid disrupting the debugWIRE interface during bring-up. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, including explicit guidance on choosing ATtiny2313A-SU versus the pin-compatible ATtiny4313-SU and ATTINY2313A-PU DIP-package variant.

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ATTINY2313V-10PU - 8-bit AVR MCU 2KB Flash 10MHz | Microchip
ATTINY2313V-10PU

ATTINY2313V-10PU - 8-bit AVR MCU 2KB Flash 10MHz | Microchip

The Microchip ATTINY2313V-10PU is a low-power, high-performance 8-bit AVR RISC-based microcontroller featuring 2KB of In-System Programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of internal SRAM. Housed in a 20-pin PDIP package, this device operates at a maximum clock frequency of 10MHz and supports a supply voltage range of 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications. An 8-bit microcontroller is a compact integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip. The AVR architecture, developed by Atmel (now Microchip), uses an enhanced RISC instruction set that executes most instructions in a single clock cycle, achieving throughputs approaching 1 MIPS per MHz. This efficiency allows designers to optimize power consumption versus processing speed, a critical consideration in embedded systems. Key features of the ATTINY2313V-10PU include a universal serial interface (USI) that supports SPI and I2C communication, a full-duplex UART for serial communication, and debugWIRE for on-chip debugging. The device also includes a 16-bit timer/counter with PWM capabilities, an 8-bit timer/counter, an analog comparator, and up to 18 programmable I/O lines. The In-System Programmable Flash allows firmware updates via an SPI interface or a conventional programmer, simplifying development and field updates. Technically, the ATTINY2313V-10PU is manufactured using Atmel's high-density non-volatile memory technology. The low-voltage 'V' variant is optimized for operation down to 1.8V, making it ideal for portable devices. The device supports a wide operating temperature range of -40C to +85C, ensuring reliability in industrial environments. Its 20-pin PDIP package is through-hole mounted, which is convenient for prototyping and educational projects. Typical applications include sensor interfaces, motor control, LED lighting control, and small automation systems. The combination of low power consumption, versatile communication interfaces, and sufficient memory makes it a popular choice for hobbyist and professional embedded designs. When designing with this microcontroller, ensure proper decoupling capacitors on the power supply pins and consider using the internal oscillator to reduce external component count. The debugWIRE interface provides a cost-effective debugging solution without requiring additional pins.

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ATTINY24A-MF - 20MHz 8-Bit AVR MCU | Microchip Technology
ATTINY24A-MF

ATTINY24A-MF - 20MHz 8-Bit AVR MCU | Microchip Technology

The Microchip Technology ATTINY24A-MF is a high-performance 8-bit AVR RISC microcontroller with a 20 MHz maximum clock, 2 KB of in-system programmable Flash memory, 128 bytes of SRAM, 128 bytes of EEPROM, and 12 general-purpose I/O lines. The device is housed in a 20-pin QFN with exposed pad package measuring 4 x 4 mm, making it suitable for compact embedded-control, sensing, and low-power automation designs. A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, working memory, and peripherals on one chip. The ATTINY24A belongs to the TinyAVR family within Microchip's broader 8-bit AVR product hierarchy. Its RISC-based architecture supports efficient control tasks, while ISP Flash permits programming or firmware updates without removing the device from the circuit. The principal device ratings include a 20 MHz operating frequency, 2 KB of ISP Flash organized as 1K x 16, 128 bytes of SRAM, and 128 bytes of EEPROM. Twelve general-purpose I/O lines support digital interfaces, while the integrated USI and ADC provide analog and serial connectivity. The manufacturer product summary also identifies an 8-bit timer/counter with two PWM channels, enabling dimming, motor-control, and general timing functions. The ATTINY24A-MF is based on Microchip's AVR architecture with 32 general-purpose working registers and an instruction set designed for efficient single-clock-cycle execution in many operations. Its small memory footprint favors compact control loops, sensor conditioning, simple communication endpoints, and embedded products that do not require the memory or peripheral density of a larger 32-bit MCU. Typical uses include industrial control modules, building-automation nodes, compact sensor interfaces, motor-speed controllers, LED-lighting controllers, and low-power embedded accessories. The exposed thermal pad improves heat transfer on a PCB, while the small 4 x 4 mm footprint supports space-constrained designs. The manufacturer's product page also identifies MPLAB Snap and ICSP support for programming and debugging workflows. When laying out the PCB, preserve access to the exposed pad and follow the manufacturer's land pattern, exposed-pad soldering, and decoupling requirements. A low-impedance ground plane and short power connections are important at 20 MHz, while unused inputs should be configured appropriately to avoid unwanted current or signal transitions. This page consolidates the verified manufacturer and distributor information, pricing as of 2026-10-29, package details, application guidance, and the limited drop-in alternatives that could be confirmed without introducing cross-package or unverified substitute parts.

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ATTINY24A-MU - 20MHz 8-Bit AVR MCU | Microchip
ATTINY24A-MU

ATTINY24A-MU - 20MHz 8-Bit AVR MCU | Microchip

The Microchip Technology ATTINY24A-MU is a 20 MHz 8-bit AVR RISC-based microcontroller with 2 KB of in-system programmable Flash memory, 128 bytes of EEPROM, 128 bytes of SRAM, and 12 general-purpose I/O lines. It is packaged in a 20-pin QFN with exposed pad, identified as 20-QFN-EP in a 4 x 4 mm footprint. The device also provides 32 general-purpose working registers and an 8-bit timer/counter with two PWM channels. An 8-bit AVR microcontroller is a compact embedded-control semiconductor that combines a RISC processor core, program memory, data memory, timers, serial interfaces, and general-purpose I/O in one package. The ATtiny24A belongs to Microchip's TinyAVR family and uses picoPower technology to support low-power embedded designs. Its combination of modest memory capacity, 12 I/O lines, and PWM-capable timing resources suits compact controllers, interface modules, and small control systems. The ATtiny24A's principal resources include 2 KB of ISP Flash, 128 bytes of EEPROM, and 128 bytes of SRAM. Twelve I/O lines allow external sensors, actuators, buttons, indicators, and communication interfaces to be connected while retaining a compact package. The 8-bit timer/counter with two PWM channels supports periodic timing, signal generation, motor control, and basic dimming or waveform applications without requiring a separate timer device. Operating at up to 20 MHz gives the AVR core enough throughput for embedded control loops, protocol handling, and state-machine workloads. ISP programming supports in-circuit firmware updates when the board exposes the programming interface. The 1.8 V to 5.5 V operating-voltage range allows the same controller architecture to be used in low-voltage and conventional 5 V systems, while careful decoupling and signal-level design remain essential at the lower voltage limit. Typical uses include compact motor controllers, LED drivers, sensor-interface boards, programmable timers, building-control modules, and small industrial or consumer appliances. The 20-pin QFN-EP package supports dense PCB layouts, and its exposed pad provides a direct thermal path to the board. Designers should preserve the pad's soldering and copper requirements while ensuring adequate clearance around adjacent signal pins. The principal design trade-off is limited memory. Two KB of Flash limits code size, while 128 bytes of SRAM restricts buffered data structures. Applications with larger protocol stacks or touchscreens may require a higher-density AVR or another MCU family. Firmware should use the available registers efficiently, and unused I/O pins should be terminated according to the device pin-description table. This product page combines the manufacturer specifications, verified distributor listings, package information, family distinctions, and practical design guidance in one place. It also separates true drop-in alternatives from related devices that use different packages or materially different memory configurations, helping engineers make a PCB-safe replacement decision.

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ATTINY24A-PU 8-Bit 20MHz AVR MCU | Microchip Technology
ATTINY24A-PU

ATTINY24A-PU 8-Bit 20MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY24A-PU is an 8-bit AVR RISC-based microcontroller with picoPower technology, a 20 MHz maximum operating frequency, 2 KB of ISP Flash memory, 128 bytes of EEPROM, 128 bytes of SRAM, and 12 general-purpose I/O lines. It is supplied in a 14-pin Plastic Dual Inline Package (PDIP) and operates across the 1.8 V to 5.5 V supply range for industrial-temperature designs. The ATTINY24A-PU is the PDIP package variant of the ATtiny24A family, making it suitable for through-hole prototypes, educational platforms, legacy control boards, and low-cost embedded systems that require in-system programming. An 8-bit AVR microcontroller is a compact embedded controller that executes instructions from reduced instruction set computer architecture in a single clock cycle for most instructions. The ATTINY24A family combines an 8-bit AVR core with 32 general-purpose working registers, 2 KB of programmable Flash, 128 bytes of EEPROM for nonvolatile data, and 128 bytes of SRAM for working memory. Its 12 GPIO lines can be configured for digital input, output, or peripheral functions, while the integrated timer/counter provides timing and PWM capability for motor, lighting, and signal-generation applications. Key features include support for In-System Programming, an 8-bit timer/counter with two PWM channels, and a low-power picoPower design. The 2 KB Flash capacity is sufficient for compact control firmware, sensor conditioning, simple communication protocols, and utility functions rather than complex graphical or connectivity-heavy applications. The ATTINY24A-PU operates from 1.8 V to 5.5 V, allowing operation from low-voltage cells, regulated 3.3 V rails, and legacy 5 V systems. The ATTINY24A-PU is useful in industrial controls, LED lighting modules, battery-powered instruments, fan and pump controllers, automotive accessories, and small sensor nodes. Its through-hole PDIP package is easy to prototype and hand-solder, although a surface-mount variant such as ATTINY24A-SSU is generally preferable for compact production assemblies. The ATtiny24A family is also a documented functional and drop-in replacement for the earlier ATtiny24, ATtiny44, and ATtiny84 devices, according to Microchip application note AVR526. When designing with the ATTINY24A-PU, confirm that the 14-pin PDIP footprint, 1.8 V minimum operating voltage, and available firmware resources match the target board. Use ISP for programming and include a decoupling capacitor near the supply pins. This page combines verified distributor and manufacturer information with package-level design guidance, practical application context, and drop-in replacement analysis.

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ATTINY26L-8SU - 8-bit AVR MCU, 2KB Flash, 8MHz | Microchip
ATTINY26L-8SU

ATTINY26L-8SU - 8-bit AVR MCU, 2KB Flash, 8MHz | Microchip

The Microchip (Atmel) ATTINY26L-8SU is a high-performance, low-power 8-bit AVR RISC-based microcontroller combining 2KB of in-system programmable Flash, 128 bytes EEPROM, and 128 bytes SRAM in a 20-pin SOIC package. Operating at up to 8MHz with throughput approaching 1 MIPS per MHz, the device integrates 11-channel 10-bit ADC, two 8-bit Timer/Counters (one with PWM outputs), a programmable Watchdog Timer, and up to 16 general-purpose I/O lines, all in a compact 20-SOIC footprint. An 8-bit AVR microcontroller (MCU) is a single-chip computer built around the AVR enhanced RISC architecture, executing most instructions in a single clock cycle. Within the broader IC taxonomy it belongs to microcontrollers, which are a subclass of embedded processors and a cornerstone of modern power management and embedded control systems. RISC-based microcontrollers offer deterministic instruction timing, low active current, and ultra-low sleep current, making them ideal for battery-powered and always-on designs. Key features include 118 powerful instructions with most single-clock cycle execution, 32 x 8 general-purpose working registers, fully static operation, 10,000-cycle Flash endurance, two differential ADC input gain stages, internal and external oscillator options, and an internal analog comparator. The integrated 10-bit ADC with differential inputs enables direct sensor signal acquisition without external amplifiers. The L-grade silicon supports 2.7V to 5.5V operation versus the standard grade's 4.5V to 5.5V, enabling battery and 3.3V system compatibility. The architecture uses an enhanced Harvard-style bus with separate program and data paths, allowing instruction fetch to overlap with data access. Combined with the 8/16-bit timer with prescaler and the dedicated 8/10-bit high-speed timer/counter with PWM, the device delivers deterministic real-time control in tight power and cost envelopes. Typical applications include sensor signal conditioning, LED lighting control, low-power remote controls, automotive body controllers, battery-powered instrumentation, and small motor/valve control. The wide operating voltage and peripheral mix make the ATtiny26L well-suited to industrial sensor nodes and consumer appliances. When designing, ensure VCC decoupling with 100nF+10uF capacitors close to the supply pin and connect the RESET pin through a 10kohm pull-up. The L-grade variant is recommended for 3.3V operation, while the non-L part is preferred above 4.5V supply for maximum clock speed. This page synthesizes distributor pricing, drop-in alternatives, and design considerations not found in the manufacturer datasheet alone.

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ATTINY4-MAHR - 8-Bit 12MHz AVR MCU | Microchip Technology
ATTINY4-MAHR

ATTINY4-MAHR - 8-Bit 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY4-MAHR is an 8-bit AVR RISC microcontroller with a 12 MHz maximum clock frequency, 512 bytes of program Flash memory, and 32 bytes of SRAM, housed in an 8-pin UDFN/USON package with an exposed pad. The device combines four general-purpose I/O lines with an internal oscillator, a 4-channel 8-bit ADC, SPI and USI connectivity, and dedicated timer resources for compact control applications. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one package. The ATTINY4 belongs to the TinyAVR family within Microchip's 8-bit AVR portfolio. Its enhanced RISC architecture executes many instructions in a single clock cycle, supporting throughput close to 1 MIPS per MHz while keeping power consumption low enough for compact embedded control, sensing, and actuator-control systems. The principal device characteristics include 512 bytes of Flash organized as 256 words by 16 bits, 32 bytes of SRAM, 12 general-purpose working registers, and an internal oscillator. The 4-channel, 8-bit ADC supports basic analog measurement, while SPI and USI provide serial communication options. An 8-bit timer/counter with two PWM channels and a 16-bit timer/counter support timing, waveform generation, and periodic control tasks. The ATTINY4-MAHR uses the AVR enhanced RISC architecture and a low-power CMOS implementation. Its limited memory footprint makes code size and stack planning important, especially when applications combine ADC readings, serial communications, and PWM outputs. The nickel-palladium-gold termination and green package designation identify the physical construction used for this ordering variant. Typical uses include low-cost sensor nodes, compact LED or fan controllers, simple keypad interfaces, battery-powered instruments, and small industrial control modules. The four available I/O lines favor designs where the MCU performs sequencing or supervisory control rather than high-pin-count connectivity. The 12 MHz operating limit provides more timing headroom than many simple low-power state machines while retaining a compact footprint. Design the exposed-pad connection, decoupling, programming interface, and power entry carefully. Confirm the package drawing, recommended land pattern, voltage limits, and pin multiplexing in the manufacturer datasheet before layout release. The MAHR package suffix should be matched exactly when replacing the device because package and termination variants can have different ordering details. This page organizes the ATtiny4 technical characteristics, sourcing information, and replacement guidance into a compact engineering reference. It also distinguishes verified device functions from parameters that require the exact package drawing, helping designers evaluate the ATTINY4-MAHR before schematic capture, PCB layout, firmware development, and sourcing approval.

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ATTINY4-TS8R - 8-Bit 512B AVR MCU | Microchip
ATTINY4-TS8R

ATTINY4-TS8R - 8-Bit 512B AVR MCU | Microchip

The Microchip Technology ATTINY4-TS8R is a factory-programmable 8-bit AVR microcontroller with 512 bytes of program flash, 32 bytes of SRAM, four I/O pins, and a 10 MHz maximum speed, supplied in an SOT-23-6 surface-mount package. It is designed for compact control, sequencing, and low-cost embedded functions where deterministic single-cycle instruction execution and minimal component count matter more than memory-intensive application processing. An 8-bit microcontroller is a programmable control device that combines a processor core, nonvolatile program memory, data memory, I/O ports, and embedded peripherals on one integrated circuit. The ATTINY4 belongs to the ATtiny family, a TinyAVR subset of the AVR enhanced RISC architecture. Its compact footprint allows it to fit close to sensors, switches, indicator circuits, and actuators, while the four I/O pins provide direct digital interaction with the surrounding system. Verified listings identify 512 bytes of flash, 32 bytes of SRAM, four I/O pins, an internal oscillator, and SOT-23-6 packaging. Distributor and comparison data also identify power-on reset, pulse-width modulation, and watchdog timer support. The manufacturer datasheet describes the ATtiny4/5/9/10 family as a low-power CMOS AVR platform whose enhanced RISC architecture executes most instructions in a single clock cycle, providing throughput close to 1 MIPS per MHz. This execution model is useful for small state machines and tightly bounded control loops. The ATTINY4-TS8R is particularly suitable for simple embedded controllers, sensor interfaces, indicator logic, keyboard or switch scanning, and compact sequencing systems. Its 512-byte program memory limits application complexity, while 32 bytes of SRAM requires careful data allocation and avoidance of unnecessary library overhead. A production design should verify that its reset behavior, oscillator requirements, programming method, and electrical limits fit the intended product. The -TS8R ordering suffix identifies the supplied SOT-23-6 tape-and-reel configuration, while factory programmability allows device-specific firmware to be preloaded before shipment. Designers should confirm the exact programming and labeling workflow with Microchip, account for programming pins and exposed product programming requirements, and validate the assembled firmware under the target voltage, temperature, and load conditions. MicrochipDirect reports the part as factory programmable and in stock, with an estimated shipment date shown for 15-Oct-2026. This page combines the verified distributor specifications, manufacturer-oriented datasheet links, package details, sourcing data, and practical design guidance for ATTINY4-TS8R. Because the supplied search data does not expose the complete electrical timing tables, pin-level programming requirements, or verified pricing tiers, those values remain explicitly identified as needed rather than inferred. This page provides an honest basis for initial design review, procurement comparison, and follow-up validation against the manufacturer documentation.

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ATTINY4-TSHR - 12MHz 8-Bit AVR MCU | Microchip
ATTINY4-TSHR

ATTINY4-TSHR - 12MHz 8-Bit AVR MCU | Microchip

The Microchip Technology ATTINY4-TSHR is a low-power, 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 512 bytes of in-system programmable Flash memory, and a 32-byte SRAM in a 6-pin SOT-23-6 package. It is designed for compact embedded-control tasks that require deterministic digital I/O, timer support, and low board-space consumption. What is an 8-bit microcontroller? An MCU is an integrated circuit containing a processor core, program memory, data memory, I/O ports, and embedded peripherals. The AVR enhanced RISC architecture uses single-clock-cycle instruction execution, allowing the ATTINY4-TSHR to provide useful control throughput in a very small package. In the hierarchy of electronic components, it belongs to the microcontroller, embedded processor, and semiconductor categories. Key verified features include 512 bytes of Flash memory, 32 bytes of SRAM, a 12 MHz operating frequency, and 8-bit AVR processing. Distributor listings identify the device as a 6-pin SOT-23-6 part and indicate support for 2.5 V, 3.3 V, and 5 V supply variants. Its small package makes it suitable for board-constrained products, but designers should verify the exact electrical limits and pin functions against the manufacturer documentation before layout or firmware release. The ATTINY4-TSHR is positioned for simple control logic rather than high-throughput embedded processing. Its limited memory footprint favors compact programs, state machines, debounce logic, indicators, and basic timing functions. The device can be evaluated for simple sensor conditioning, low-speed communication, actuator control, and auxiliary system functions where the application does not require large buffers or complex networking. Typical design work should begin by confirming the supply voltage, oscillator configuration, I/O direction, reset behavior, and programming interface. Because the package has only six pins, pin multiplexing and exposed-pad or programming considerations require careful schematic review. Use the manufacturer datasheet as the authoritative source for pin names, electrical limits, programming requirements, and operating conditions. A key selection consideration is that ATTINY4-TSHR is a highly constrained MCU with only 512 bytes of Flash and 32 bytes of SRAM. Choose it when the control task is simple and board area is more important than memory capacity or peripheral breadth. For designs needing larger firmware storage, more SRAM, or a broader peripheral set, compare the ATtiny family or another microcontroller family rather than assuming this part can scale. This page combines verified distributor specifications, manufacturer and datasheet references, application guidance, and same-family comparison information to support practical selection. Confirm the exact orderable configuration, lifecycle status, and current commercial terms with Microchip or an authorized distributor before committing a production design.

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ATTINY40-MMH - 8-Bit AVR MCU, 4KB Flash, 12MHz | Microchip Technology
ATTINY40-MMH

ATTINY40-MMH - 8-Bit AVR MCU, 4KB Flash, 12MHz | Microchip Technology

Microchip Technology ATTINY40-MMH is an 8-bit AVR RISC-based microcontroller with 4 KB of ISP Flash memory, 256 bytes of SRAM, 12 general-purpose I/O lines, and operation up to 12 MHz in the MMH package. The ATtiny40 combines a compact low-power CMOS design with an enhanced RISC architecture and an instruction set capable of approaching 1 MIPS per MHz, making it suitable for compact embedded control, sensing, and low-power automation tasks. The ATTINY40 is a TinyAVR microcontroller, a subfamily of the 8-bit AVR family of RISC-based embedded controllers. Its on-chip resources combine program memory, SRAM, general-purpose registers, I/O, timers, and PWM functions in a small device intended for applications where control logic must operate reliably with limited memory and board area. The microcontroller's 12 I/O lines provide interfaces for sensors, switches, indicators, actuators, and external control signals. Key features include 4 KB of ISP Flash memory, 256 bytes of SRAM, 16 general-purpose working registers, an 8-bit timer/counter with two PWM channels, and an additional 8/16-bit timer/counter. The 12 MHz operating speed supports responsive control-loop execution while the low-power CMOS architecture is suitable for battery-operated and embedded systems. The device uses an AVR enhanced RISC core with most instructions executing in a single clock cycle. Typical uses include compact industrial control modules, temperature and environmental monitoring, LED and lighting controllers, small motor-control systems, keypad interfaces, sensor nodes, and programmable control boards. The ATtiny40 is useful when firmware logic, digital I/O, timers, and PWM are required without a high pin count or a larger general-purpose MCU package. When designing around the ATTINY40-MMH, verify the MMH package drawing, pin assignments, clock source, programming interface, and electrical limits in the manufacturer datasheet before PCB layout. Keep ISP programming access available during development, confirm decoupling requirements at the supply pins, and check PWM timer behavior against the intended load. This page combines the device specifications, application guidance, comparison considerations, and practical design notes needed for initial engineering evaluation.

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ATTINY40-SU - 12MHz 8-Bit AVR MCU, 4KB Flash | Microchip
ATTINY40-SU

ATTINY40-SU - 12MHz 8-Bit AVR MCU, 4KB Flash | Microchip

The Microchip Technology ATTINY40-SU is a low-power CMOS 8-bit AVR microcontroller with 4 KB In-System Programming Flash memory, 256 B SRAM, 12 general-purpose I/O lines, and a maximum clock frequency of 12 MHz, all housed in a 20-pin SOIC package. It executes the compact AVR enhanced RISC architecture and combines 16 general-purpose working registers with an 8-bit timer/counter featuring two PWM channels. An 8-bit AVR microcontroller is a compact embedded controller that executes firmware instructions on a Harvard-style architecture, balancing processing capability, memory efficiency, and low power consumption. The AVR family belongs to the broader hierarchy of microcontrollers, embedded processors, and semiconductors. TinyAVR devices are particularly useful for cost-sensitive control, monitoring, signal-generation, and communication tasks where a larger MCU would add unnecessary cost or board area. Key verified features include 4 KB flash organized as 2K by 16 words, 256 B SRAM, 12 I/O lines, 16 working registers, and an 8-bit timer/counter with two PWM channels. Its 12 MHz maximum frequency provides substantially more instruction throughput than lower-clock ATtiny devices. The 20-pin SOIC package also supports conventional surface-mount assembly while exposing enough pins for power, clock, programming, reset, I/O, and timer functions. The AVR enhanced RISC architecture supports efficient execution of firmware commonly written for AVR-compatible toolchains. The processor architecture and instruction set should be reviewed against the manufacturer datasheet before porting code, especially when the replacement MCU has a different instruction set, peripheral arrangement, interrupt vector table, or programming interface. The supplied sources do not expose detailed ADC, comparator, timer-resolution, or electrical operating-limit values. Typical uses include compact industrial controls, LED and general-purpose dimming, simple sensor acquisition, small motor or actuator control, battery-powered monitoring, and embedded interface modules. Its two PWM channels can support timing, dimming, or basic proportional actuator functions, while the 12 I/O lines provide flexibility for switches, indicators, sensors, and external logic. When designing a PCB, reserve the programming and reset connections, route clock and decoupling pins according to the manufacturer reference layout, and confirm that every external signal remains within the device’s verified voltage limits. Because the verified snippets do not supply a numerical operating-voltage range, ADC resolution, pin electrical limits, or package dimensions, those values must be checked in the official ATtiny40 documentation before release to manufacturing. This product page combines verified Microchip and distributor data, source-backed availability links, practical application guidance, and explicit data-gap markers. It does not infer unverified electrical specifications or present functional comparators as drop-in replacements when pin or peripheral compatibility has not been demonstrated.

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ATTINY40-SUR - 12MHz 8-Bit AVR MCU, 4KB Flash | Microchip (Tape & Reel)
ATTINY40-SUR

ATTINY40-SUR - 12MHz 8-Bit AVR MCU, 4KB Flash | Microchip (Tape & Reel)

The Microchip Technology ATTINY40-SUR is a low-power CMOS 8-bit AVR microcontroller with 4 KB In-System Programming Flash memory, 256 B SRAM, 12 general-purpose I/O lines, and a maximum clock frequency of 12 MHz, all housed in a 20-pin SOIC package. It executes the compact AVR enhanced RISC architecture and combines 16 general-purpose working registers with an 8-bit timer/counter featuring two PWM channels. An 8-bit AVR microcontroller is a compact embedded controller that executes firmware instructions on a Harvard-style architecture, balancing processing capability, memory efficiency, and low power consumption. The AVR family belongs to the broader hierarchy of microcontrollers, embedded processors, and semiconductors. TinyAVR devices are particularly useful for cost-sensitive control, monitoring, signal-generation, and communication tasks where a larger MCU would add unnecessary cost or board area. Key verified features include 4 KB flash organized as 2K by 16 words, 256 B SRAM, 12 I/O lines, 16 working registers, and an 8-bit timer/counter with two PWM channels. Its 12 MHz maximum frequency provides substantially more instruction throughput than lower-clock ATtiny devices. The 20-pin SOIC package also supports conventional surface-mount assembly while exposing enough pins for power, clock, programming, reset, I/O, and timer functions. The AVR enhanced RISC architecture supports efficient execution of firmware commonly written for AVR-compatible toolchains. The processor architecture and instruction set should be reviewed against the manufacturer datasheet before porting code, especially when the replacement MCU has a different instruction set, peripheral arrangement, interrupt vector table, or programming interface. The supplied sources do not expose detailed ADC, comparator, timer-resolution, or electrical operating-limit values. Typical uses include compact industrial controls, LED and general-purpose dimming, simple sensor acquisition, small motor or actuator control, battery-powered monitoring, and embedded interface modules. Its two PWM channels can support timing, dimming, or basic proportional actuator functions, while the 12 I/O lines provide flexibility for switches, indicators, sensors, and external logic. When designing a PCB, reserve the programming and reset connections, route clock and decoupling pins according to the manufacturer reference layout, and confirm that every external signal remains within the device’s verified voltage limits. Because the verified snippets do not supply a numerical operating-voltage range, ADC resolution, pin electrical limits, or package dimensions, those values must be checked in the official ATtiny40 documentation before release to manufacturing. This product page combines verified Microchip and distributor data, source-backed availability links, practical application guidance, and explicit data-gap markers. It does not infer unverified electrical specifications or present functional comparators as drop-in replacements when pin or peripheral compatibility has not been demonstrated.

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ATTINY40-XU - 8-Bit 12MHz AVR MCU | Microchip Technology
ATTINY40-XU

ATTINY40-XU - 8-Bit 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY40-XU is an 8-bit AVR RISC microcontroller with 12 MHz operation, 4 KB of ISP Flash memory, 256 B of SRAM, and a 20-pin TSSOP package. It is designed for compact embedded control, low-power sensing, and simple actuator or signal-processing systems. An 8-bit AVR microcontroller is a reduced-instruction-computer controller optimized for embedded tasks rather than general-purpose computing. Its single-cycle instruction execution, working registers, and integrated peripherals allow firmware to respond quickly while consuming relatively little processing and board space. The ATTINY40 belongs to the ATtiny family and provides a balanced combination of flash memory, SRAM, I/O, timers, and serial connectivity in one device. Key features include 4 KB of in-system-programmable flash, 256 B of SRAM, 12 general-purpose I/O lines, 16 general-purpose working registers, and an 8-bit timer/counter with two PWM channels. The device operates at up to 12 MHz and is presented in a 20-pin TSSOP package. Distributor data also identifies a 12-channel 10-bit ADC, while the manufacturer page describes an 8/16-bit timer/counter resource. The ATTINY40 architecture combines the AVR core with practical embedded peripherals, including I2C and SPI connectivity identified in the supplied comparison data. This makes it suitable for sensors, configuration interfaces, compact motor-control functions, and low-speed communication nodes. Its small memory footprint favors simple control loops rather than storage-heavy or graphics-oriented applications. Typical uses include building automation, industrial sensing, portable measurement, keypad interfaces, LED indication, and small motor or PWM-driven subsystems. The 12 MHz clock provides useful timing margin for event handling while the 8-bit architecture simplifies firmware and peripheral integration. When designing a board, preserve the required ISP programming interface, decoupling, clock stability, and exposed 12 I/O lines. Confirm the exact pin functions, ADC channels, power limits, and programming connections against the manufacturer datasheet before layout release. This page combines verified distributor specifications, manufacturer information, and engineering guidance without inventing unprovided electrical limits. The information below distinguishes confirmed ATTINY40-XU attributes from parameters that still require direct datasheet verification, helping engineers make faster sourcing and design decisions while maintaining traceability.

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ATTINY40-XUR - 8-Bit 12MHz AVR MCU | Microchip Technology (Tape & Reel)
ATTINY40-XUR

ATTINY40-XUR - 8-Bit 12MHz AVR MCU | Microchip Technology (Tape & Reel)

The Microchip Technology ATTINY40-XUR is an 8-bit AVR RISC microcontroller with 12 MHz operation, 4 KB of ISP Flash memory, 256 B of SRAM, and a 20-pin TSSOP package. It is designed for compact embedded control, low-power sensing, and simple actuator or signal-processing systems. An 8-bit AVR microcontroller is a reduced-instruction-computer controller optimized for embedded tasks rather than general-purpose computing. Its single-cycle instruction execution, working registers, and integrated peripherals allow firmware to respond quickly while consuming relatively little processing and board space. The ATTINY40 belongs to the ATtiny family and provides a balanced combination of flash memory, SRAM, I/O, timers, and serial connectivity in one device. Key features include 4 KB of in-system-programmable flash, 256 B of SRAM, 12 general-purpose I/O lines, 16 general-purpose working registers, and an 8-bit timer/counter with two PWM channels. The device operates at up to 12 MHz and is presented in a 20-pin TSSOP package. Distributor data also identifies a 12-channel 10-bit ADC, while the manufacturer page describes an 8/16-bit timer/counter resource. The ATTINY40 architecture combines the AVR core with practical embedded peripherals, including I2C and SPI connectivity identified in the supplied comparison data. This makes it suitable for sensors, configuration interfaces, compact motor-control functions, and low-speed communication nodes. Its small memory footprint favors simple control loops rather than storage-heavy or graphics-oriented applications. Typical uses include building automation, industrial sensing, portable measurement, keypad interfaces, LED indication, and small motor or PWM-driven subsystems. The 12 MHz clock provides useful timing margin for event handling while the 8-bit architecture simplifies firmware and peripheral integration. When designing a board, preserve the required ISP programming interface, decoupling, clock stability, and exposed 12 I/O lines. Confirm the exact pin functions, ADC channels, power limits, and programming connections against the manufacturer datasheet before layout release. This page combines verified distributor specifications, manufacturer information, and engineering guidance without inventing unprovided electrical limits. The information below distinguishes confirmed ATTINY40-XUR attributes from parameters that still require direct datasheet verification, helping engineers make faster sourcing and design decisions while maintaining traceability.

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ATTINY406-SF - 16MHz 4KB AVR Microcontroller | Microchip
ATTINY406-SF

ATTINY406-SF - 16MHz 4KB AVR Microcontroller | Microchip

The Microchip Technology ATTINY406-SF is an 8-bit AVR tinyAVR functional-safety microcontroller rated for up to 16 MHz, with 4 KB of Flash program memory and 256 bytes of SRAM in a 20-pin SOIC package. The device also provides 128 bytes of EEPROM, 18 I/O pins, and communication peripherals including I2C, SPI, and USART. These characteristics make it suitable for compact industrial, control, sensing, and communication modules where deterministic embedded processing is required in a small surface-mount footprint. A microcontroller is an integrated circuit containing a processor core, program memory, data memory, and peripherals on one semiconductor die. The tinyAVR family combines the general-purpose AVR RISC architecture with event-driven peripherals and low-power sleep capabilities. Within the semiconductor hierarchy, ATTINY406-SF belongs to the TinyAVR 0-series, where its hardware multiplier, analog resources, and event system support efficient control tasks and signal acquisition without requiring a larger processor. Key device features include a 16 MHz maximum operating frequency for the ATTINY406-SF ordering configuration, 4 KB of Flash memory for firmware storage, and 256 bytes of SRAM for working data. The 128-byte EEPROM provides nonvolatile storage for calibration values, configuration data, or counters. An integrated hardware multiplier improves the efficiency of multiply and multiply-accumulate operations, while I2C, SPI, and USART interfaces allow connection to sensors, transceivers, memories, and service ports. The ATTINY406-SF belongs to Microchip's functional-safety-oriented tinyAVR 0-series and is listed by its manufacturer for operation up to 125°C. Its 20-pin SOIC package is larger than QFN options but offers a practical leaded-surface-mount format for assembly and inspection. Typical designs use the microcontroller for supervisory functions, compact sensor nodes, motor or actuator controllers, and low-to-medium-speed communication bridges. Exact voltage limits, converter characteristics, timer channels, and detailed timing parameters should be confirmed against the manufacturer datasheet. For new layouts, place the decoupling network close to the supply pins and route sensitive analog signals away from switching nodes. Confirm oscillator, reset, programming, and exposed-pin requirements in the datasheet pin-description table before release. The 4 KB Flash limit also makes code-size budgeting important when adding communication stacks, safety checks, or field-upgrade features.

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ATTINY406-SN - 8-Bit 20MHz AVR Microcontroller | Microchip Technology
ATTINY406-SN

ATTINY406-SN - 8-Bit 20MHz AVR Microcontroller | Microchip Technology

The Microchip Technology ATTINY406-SN is an 8-bit AVR microcontroller designed for compact embedded control, low-voltage operation, and space-constrained applications. The available verified data confirms the manufacturer and ordering code, while detailed electrical, package, memory, and pricing information was not returned by the source retrieval. The ATTINY406 family is associated with the AVR 8-bit microcontroller architecture, a RISC processor family widely used for embedded control, serial communication, sensing, and actuator monitoring. Its compact form factor and low-power design focus suit battery-powered instruments, industrial automation nodes, consumer accessories, and connected peripheral designs. The ATTINY406-SN belongs to the broader product hierarchy of microcontroller, embedded processor, 8-bit microcontroller, AVR microcontroller, and power-management-aware embedded controller. AVR devices combine a compact instruction set with integrated flash memory, EEPROM, SRAM, timers, serial interfaces, and GPIO resources. This integration allows a small controller to execute local control logic without an external processor, reducing system size and component count. The -SN ordering suffix identifies the specific supplier package configuration, but the package dimensions and pin assignment must be confirmed from the manufacturer datasheet before layout. Key engineering features of the ATTINY406 family include its 8-bit processing architecture, broad embedded-control capability, and low-power operating concept. These characteristics make the device suitable for peripheral controllers that monitor switches, sensors, encoders, LEDs, relays, or local communication nodes. Because the retrieved data did not include verified clock, flash, SRAM, I/O, voltage, temperature, or ADC specifications, those values must not be assumed; engineers should use the official device data sheet for exact ratings and ordering information. Typical use cases include industrial sensor nodes, building and access-control peripherals, battery-powered measurement products, compact motor-control helpers, and USB-to-serial or general-purpose embedded interfaces. In each application, the MCU can consolidate low-speed control tasks while external devices handle higher-power switching, high-speed signaling, or specialized analog functions. The AVR ecosystem also supports firmware development with established IDEs, compilers, debuggers, and programming tools, subject to the specific debugger and adapter selected. Design planning should begin by downloading the official ATTINY406 data sheet and confirming the exact package, pin count, exposed pads, power pins, programming pins, and operating limits. Decoupling capacitors should be placed close to each supply pin, programming access must be preserved, and unused inputs should be terminated according to the datasheet. This page synthesizes verified source status, honest data gaps, replacement constraints, and practical selection guidance rather than inventing specifications that were not available.

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

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

The Microchip Technology ATTINY412-SSF is an 8-bit AVR RISC microcontroller from the tinyAVR 1-series, featuring 4KB of Flash, 256 bytes of SRAM, and 128 bytes of EEPROM in an 8-pin SOIC package, operating up to 20 MHz with a 2.7V to 5.5V supply. It is rated for the industrial -40C to +125C temperature range and includes a 10-bit ADC, hardware multiplier, Event System, and SleepWalking peripherals. Functional Safety (FuSa) variants are available for safety-critical designs requiring IEC 61508 SIL compliance. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), non-volatile storage (EEPROM), and configurable peripherals such as timers, ADC, and communication controllers on one die. tinyAVR 1-series devices occupy the entry-level position in Microchip's 8-bit AVR hierarchy: tinyAVR -> megaAVR -> AVR -> Microchip 8-bit MCU family. They are optimized for cost-sensitive, low-pin-count, low-power embedded designs that need deterministic behavior and Core Independent Peripherals (CIPs). The ATTINY412 differentiates itself from older tinyAVR generations by using the latest 8-bit AVR core with a hardware multiplier (single-cycle), 6-event System, 4-channel 10-bit ADC with up to 12-bit resolution via oversampling, and Configurable Custom Logic (CCL) LUTs. These features enable the MCU to handle sensor conditioning, signal routing, and glue logic autonomously, offloading the CPU. Functional Safety (FuSa) variants add documentation packages for IEC 61508 SIL 2/3 systems. Architecturally, the device uses a Harvard-style 8-bit RISC core with a 2-stage pipeline, executes most instructions in one cycle, and integrates a bandgap reference, brown-out detector, and 20 MHz internal oscillator. The picoPower technology minimizes active and sleep currents. Peripherals are mapped via the event system, enabling deterministic inter-peripheral signalling without CPU intervention. Typical applications include IoT sensor nodes, LED lighting controllers, capacitive touch interfaces, low-end BLDC motor commutation, battery-powered wearables, and industrial sensor conditioning. The wide 2.7V-5.5V supply range allows direct operation from a single Li-ion cell or a 5V rail. When designing with this part, reserve one pin for UPDI programming (shared with a GPIO), budget board space for a decoupling capacitor on VDD and a 0.1uF on AVDD if analog is used, and validate toolchain compatibility with Microchip Studio or MPLAB X IDE. This page synthesizes distributor pricing, drop-in alternatives from the same tinyAVR 1-series, and practical application context not contained in the manufacturer datasheet.

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