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ATSAMS70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash 144-LQFP | Microchip
ATSAMS70Q21B-ANT

ATSAMS70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash 144-LQFP | Microchip

The Microchip Technology ATSAMS70Q21B-ANT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package with 114 user I/O lines. It belongs to the SAM S70 family of high-performance flash microcontrollers designed for connected and industrial applications requiring Ethernet connectivity, high-speed connectivity, and rich peripherals. What is a Cortex-M7 microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, memory (Flash + SRAM), and peripherals (GPIO, timers, ADC, communication interfaces). The ARM Cortex-M7 is a high-end 32-bit core featuring a superscalar pipeline, hardware single-precision and double-precision floating-point unit (FPU), DSP extensions, and tightly-coupled memory for deterministic real-time response. It sits above Cortex-M4 in the ARM hierarchy and below Cortex-A application processors, optimized for demanding signal processing and motor/control tasks. Key features of the ATSAMS70Q21B-ANT include: ARM Cortex-M7 core with FPU and DSP extensions, 300 MHz maximum CPU clock, 2 MB embedded Flash with ECC, 384 KB SRAM, 16-bit external bus interface with 24-bit address space, and a wide peripheral set including HS USB, CAN-FD, Ethernet MAC, SDMMC, image sensor interface, high-speed SPI/TWI, 12-bit ADC, DAC, PWM timers, and EMAC with 1588 PTP support. The device is built on an ultra-low-power process and supports 1.08 V to 1.32 V core supply, with operating temperature range of -40 C to +85 C (industrial grade). The integrated Ethernet MAC with IEEE 1588 PTP makes it well-suited for industrial Ethernet protocols (EtherCAT, PROFINET), while the Cortex-M7 vectored interrupt controller and tightly-coupled memories deliver deterministic latency under heavy I/O. Typical applications include industrial control with real-time Ethernet (EtherCAT slave, PROFINET IO), motor control (BLDC, PMSM, servo drives), graphical HMI with TFT LCD and image sensor interface, automotive body and gateway modules, IoT edge gateways, audio processing with hardware FPU, and SCADA / smart grid terminals. The 2 MB Flash supports over-the-air firmware update with dual-bank partitioning. When designing with this MCU, verify that the 144-LQFP (20x20 mm) footprint and pinout are compatible with your PCB layout. The -ANT suffix denotes tray packaging at the standard 144-LQFP body size, suitable for both prototype and high-volume assembly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAMV70Q20B-CB - ARM Cortex-M7 300MHz MCU, 1MB Flash | Microchip
ATSAMV70Q20B-CB

ATSAMV70Q20B-CB - ARM Cortex-M7 300MHz MCU, 1MB Flash | Microchip

The Microchip Technology ATSAMV70Q20B-CB is an ARM Cortex-M7 microcontroller in the SAM V70 automotive family, featuring a single-core 32-bit processor with double-precision FPU running at up to 300 MHz, paired with 1 MB of Flash and 384 KB of SRAM in a 144-pin TFBGA (10x10 mm) package. It is qualified to the AEC-Q100 automotive reliability standard and integrates high-speed connectivity including Ethernet, CAN-FD, USB, and a 16-bit HSMCI SD-card interface. The device is targeted at automotive body, chassis, and gateway ECUs where deterministic real-time performance and a rich peripheral set are mandatory. An ARM Cortex-M7 MCU is a 32-bit microcontroller built on the ARMv7-M architecture with a deeply pipelined core that delivers 2.14 CoreMark/MHz performance, a hardware double-precision floating-point unit, single-precision and double-precision SIMD instructions, and tightly-coupled memory for low-latency code and data access. It sits within the broader taxonomy of MCU -> embedded microcontroller -> SoC -> semiconductor. The Cortex-M7 family supersedes Cortex-M4 by adding cache controllers, branch prediction, and dual-issue capability, making it the highest-performance mainstream Cortex-M part before moving into Cortex-M33/M55 secure islands. Key features include 1 MB (1M x 8) embedded Flash, 384 KB of multi-port SRAM, an MPU for memory protection, 16-bit SDRAM and 8/16-bit PSRAM external bus interface, an image sensor interface, an advanced 16-bit sigma-delta ADC with up to 24 channels, and a hardware crypto accelerator (TRNG, AES, SHA, RSA). The on-chip peripherals include 8-bit/16-bit image sensor interface (ISI), 12-bit DAC, 16-bit timers, PWM, I2S, I2C, SPI, UART/USART, and high-speed USB with integrated PHY. The 144-TFBGA package offers compact 10x10 mm footprint while exposing up to 88 GPIOs. The architectural depth of SAM V70 lies in its Cortex-M7 core, which integrates an L1 instruction cache and branch target address cache to mitigate Flash wait-state penalties at 300 MHz, while the multi-port SRAM bank allows parallel DMA, Ethernet, and code execution without bus contention. The peripheral event system (PDMA, AFEC) and an interrupt controller with configurable priorities allow deterministic sub-microsecond response on critical tasks such as motor control or CAN-FD message handling. An integrated flexible 8- to 16-bit external bus interface (EBI) simplifies expansion to SDRAM or QSPI Flash. Typical applications include automotive body controllers, HVAC panels, LED matrix drivers, industrial PLCs, motor-control front-ends, and IoT gateways that require Ethernet + CAN-FD co-existence. The device is also a strong fit for human-machine-interface (HMI) panels with TFT-LCD support, audio infotainment nodes, and CAN/LIN gateways. When designing with this part, designers should provision an external LDO or DC-DC for the 1.2V core rail and follow Microchip's Atmel Studio/Microchip Studio pin-mux configuration to avoid peripheral conflict on shared I/O lines. The part uses an automotive-grade process and is PPAP-capable.

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ATSAMV71N20B-CBT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAMV71N20B-CBT

ATSAMV71N20B-CBT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip ATSAMV71N20B-CBT is an automotive-grade 32-bit microcontroller based on the ARM Cortex-M7 core with double-precision FPU, running at up to 300MHz with 1MB (1M x 8) embedded Flash and 384KB SRAM, supplied in a 100-ball TFBGA (9x9 mm) package. Per Microchip, the SAM V71 family is manufactured under ISO-TS-16949 requirements and qualified to AEC-Q100 for automotive applications. A microcontroller (MCU) is a single-chip embedded processor that integrates a CPU core, memory, and peripherals into one device, forming the highest-volume class of embedded processing ICs used across automotive, industrial, and consumer systems. The SAM V71 sits at the high-performance end of the MCU hierarchy, positioned above general-purpose Cortex-M4 devices by its superscalar Cortex-M7 pipeline delivering 5.04 CoreMark/MHz. Key features include a 300MHz core with cache acceleration, dual 16-bit 2Msps ADCs, Ethernet MAC with AVB support for automotive audio-video bridging, dual CAN interfaces, I2S for digital audio, USB high-speed device/host, and multiple USART/SPI/TWI peripherals. The LCD controller-capable parallel capture interface and SDRAM/SDIO support enable graphics and data-logging designs. Architecturally, the Cortex-M7 core pairs a six-stage dual-issue pipeline with tightly-coupled memory (TCM) and configurable instruction/data caches, allowing deterministic execution for motor control and audio DSP workloads. The double-precision FPU accelerates control-loop math, while embedded Flash with ECC supports functional-safety-oriented designs. Typical applications include automotive gateway and body controllers, industrial automation and motor control, and Ethernet AVB audio/video networking. The combination of 300MHz throughput, hardware Ethernet, and dual CAN makes it a strong single-chip solution for connected embedded nodes. Design consideration: ensure a clean 3V to 3.6V supply with proper decoupling at all VDDIO/VDDCORE pins, and verify BGA escape-routing capability before committing to the 100-TFBGA footprint; pricing shown as of 2026-08-29.

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ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAMV71Q21B-AAB

ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAMV71Q21B-AAB is a high-performance 32-bit ARM Cortex-M7 microcontroller with a double-precision FPU, running up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It belongs to the SAM V71 automotive-grade family and features an extensive peripheral set including Ethernet, CAN-FD, high-speed USB, HS SDIO/QSPI, I2S, and a 12-bit ADC. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and on-chip peripherals designed to embedded applications. Within the silicon taxonomy, the ATSAMV71Q21B-AAB sits in the hierarchy: Cortex-M7 core -> ARM 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The Cortex-M7 architecture is a superscalar pipeline with branch prediction, tightly coupled memory (TCM), and an instruction/data cache that delivers deterministic real-time performance alongside DSP-class signal processing throughput. Key features include a 16-bit external bus interface (EBI) for SDRAM expansion, a graphics LCD controller for TFT panels, hardware cryptographic acceleration (AES, TRNG), and a 12-bit 2 Msps ADC. The device supports 1.8V, 2.5V, and 3.3V I/O operation and is qualified to AEC-Q100 for automotive applications, making it suitable for body electronics, infotainment HMI, and industrial motor control. The Cortex-M7 core integrates DSP extensions (SIMD) and an FPU that handles single- and double-precision IEEE-754 operations. Combined with 16 KB I-cache + 16 KB D-cache and up to 384 KB system SRAM, it sustains the throughput needed for motor-control loops, audio processing, and predictive-maintenance algorithms on factory-floor equipment. Typical applications include automotive body and chassis ECUs, industrial PLC and HMI controllers, motor-control inverters, audio and infotainment head units, and industrial IoT gateways. The integrated Ethernet MAC and HS USB simplify connectivity for industrial and automotive networking stacks. When designing with this device, plan decoupling with bulk 4.7 uF + 100 nF per VDD pin pair and provide a 25 MHz external crystal with proper PCB guard routing. The AEC-Q100 grade adds cost only for the qualification itself - the silicon, footprint, and firmware are identical to industrial equivalents, enabling a single PCB design to serve both end markets. This page synthesizes distributor pricing, drop-in alternatives within the SAM V71 family, and practical hardware-design notes not consolidated in the manufacturer datasheet.

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ATSAMV71Q21B-AABT - 300MHz ARM Cortex-M7 MCU, 2MB Flash | Microchip
ATSAMV71Q21B-AABT

ATSAMV71Q21B-AABT - 300MHz ARM Cortex-M7 MCU, 2MB Flash | Microchip

The Microchip ATSAMV71Q21B-AABT is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz and featuring 2 MB of Flash memory and 384 KB of SRAM in a 144-pin LQFP package (20x20 mm). It is a member of the SAM V71 family targeting automotive and industrial applications with rich connectivity including CAN-FD, Ethernet, USB, and high-speed serial interfaces. The part suffix "B" denotes the silicon revision, "AAB" specifies the 144-LQFP package and automotive grade, and "T" indicates tape-and-reel packaging. A Cortex-M7 microcontroller is a 32-bit RISC processor core designed for high-performance embedded applications with deterministic real-time behavior. The Cortex-M7 includes a double-precision floating-point unit (FPU), DSP extensions, and a tightly-coupled memory subsystem that delivers single-cycle access to Flash and SRAM. Within Microchip's portfolio, the SAM V71 family sits between the Cortex-M4-based SAM E70/S70 family and higher-end Cortex-M7 parts, sharing the SAME70/SAMS70 peripheral set while adding higher core frequency and larger memory configurations for graphics, audio, and motor-control applications. Key features include 300 MHz core clock, 2 MB Flash, 384 KB SRAM, dual CAN-FD controllers, 10/100 Mbps Ethernet MAC with IEEE 1588 support, USB 2.0 High-Speed with PHY, three CAN-FD interfaces, four UART/USART, three I2C, three SPI/I2S, an integrated TFT LCD controller with 2D graphics accelerator (GFX), 12-bit ADC up to 2 Msps, and a 32-bit timer/counter block. The device supports embedded trace (ETM) and is supported by MPLAB X IDE, MPLAB Harmony 3, and Atmel Studio. Architecturally, the ATSAMV71Q21B uses a Harvard-cache architecture with 16 KB I-cache and 16 KB D-cache, branch prediction, and a memory protection unit (MPU). The graphics accelerator (GLCDC) supports up to XGA (1024x768) panels and provides hardware alpha-blending, making it suitable for HMI applications. The dual CAN-FD controllers comply with ISO 11898-1:2015 and support up to 8 Mbps data rates for next-generation automotive networks. Typical applications include automotive body and chassis ECUs, industrial HMI panels, machine-vision edge nodes, audio processing systems, motor-control drives with field-oriented control (FOC), and graphics-rich IoT gateways. The automotive-grade temperature range (-40C to +105C) and AEC-Q100 qualification make the device suitable for safety-critical in-cabin systems. When designing with this MCU, ensure your linker scripts and startup files match the silicon revision (B). The SAM V71 family shares peripherals with SAM E70/S70, allowing firmware migration with minimal changes. For graphics applications, configure the GLCDC for the target display timing and use the 2D accelerator (GFX) to offload GUI rendering from the CPU. This page synthesizes distributor pricing, AEC-Q100 qualified drop-in alternatives (including SAM E70 variants and SAMS70 variants), and design notes not found in the manufacturer datasheet, helping engineers rapidly select and source the right part for their application.

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ATTINY13A-SSU - 8-Bit AVR MCU, 1KB Flash, 20MHz | Microchip
ATTINY13A-SSU

ATTINY13A-SSU - 8-Bit AVR MCU, 1KB Flash, 20MHz | Microchip

The Microchip Technology ATTINY13A-SSU is an 8-bit AVR RISC-based microcontroller featuring 1 KB of in-system programmable Flash, 64 bytes of EEPROM, 64 bytes of SRAM, a 32-byte register file, and a 4-channel 10-bit A/D converter, housed in an 8-pin SOIC (SO-8) package. The device operates across a 1.8 V to 5.5 V supply range and achieves up to 20 MIPS throughput at a 20 MHz clock, letting designers trade power consumption for processing speed on the fly. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile memory (Flash/ROM), volatile working memory (SRAM), and a configurable set of peripherals such as timers, ADCs, and digital I/O onto one IC. MCUs form the lowest tier of embedded computing, sitting beneath microprocessors (MPUs) and application processors in capability but above fixed-function logic ICs in flexibility. The AVR family places a RISC-style load/store CPU core next to tightly-coupled peripherals, and the tinyAVR sub-family scales this architecture into the smallest 8-pin parts for cost- and space-sensitive designs. Key features include hardware multipliers-free single-cycle execution, a debugWIRE on-chip debug interface, an analog comparator, a programmable watchdog timer with separate on-chip oscillator, and two PWM-capable 8-bit timers plus one high-speed timer. The picoPower technology extends battery life through multiple sleep modes that drop active current to the microamp range. Six general-purpose I/O lines are available on the SO-8 footprint, with PB5 serving as the reset pin and supporting in-circuit serial programming. Architecturally, the ATTINY13A-SSU fuses an enhanced RISC core (90+ instructions, most single-cycle) with a Harvard-style memory layout that lets the CPU fetch instructions from Flash while data accesses hit SRAM in the same cycle. The peripheral set is selected for analog and digital mixed-signal chores: a 10-bit successive-approximation ADC with four input channels, a programmable analog comparator, and dedicated timer/counter blocks with PWM output match units for switching tasks. Typical applications include LED drivers, battery chargers, small motor controls, remote control transmitters, simple sensor nodes, and wearable accessories where board area and quiescent current are constrained. The wide 1.8 V to 5.5 V range lets a single design migrate between single-cell lithium and 3.3 V or 5 V system rails without hardware changes. When laying out a board, place the decoupling capacitor (typically 100 nF) within a few millimetres of the VCC pin and route a low-impedance GND pour under the exposed copper area to keep digital switching noise out of the ADC inputs. Ensure the RESET pin (PB5) is pulled high through 10 kohm and accessible to the ISP header so in-circuit programming and debugWIRE debug sessions can be performed without removing the part. This page consolidates distributor pricing, drop-in alternatives, and engineering design notes that complement the manufacturer datasheet to accelerate part selection and PCB bring-up.

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ATTINY1624-SSU - 8-Bit AVR tinyAVR 2 MCU 20MHz 16KB Flash SOIC-14 | Microchip
ATTINY1624-SSU

ATTINY1624-SSU - 8-Bit AVR tinyAVR 2 MCU 20MHz 16KB Flash SOIC-14 | Microchip

The Microchip Technology ATTINY1624-SSU is an 8-bit AVR RISC microcontroller from the tinyAVR 2 family, featuring a hardware multiplier, 20 MHz maximum CPU clock, 16 KB in-system programmable Flash, 2 KB SRAM and 256 bytes of EEPROM, all housed in a 14-pin narrow-body SOIC package rated for industrial temperature (-40C to +85C). The device integrates the modern AVR CPU core with Core Independent Peripherals (CIPs) including event system, configurable custom logic, and 12-bit differential ADC with Programmable Gain Amplifier, enabling mixed-signal designs without external components. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for low-cost, low-power deterministic embedded control. Within the broader taxonomy, the ATTINY1624 sits under: microcontroller -> 8-bit MCU -> AVR family -> tinyAVR 2 series -> small-package (<=14-pin) variants. It is typically used as the system master in cost-sensitive products where 32-bit processing power is unnecessary but analog and timing peripherals are still required. Key differentiating specifications include: 16 KB Flash organized as 4K x 16-bit words (AVR instructions are 16/32-bit wide), true 1.8V-5.5V single-supply operation, up to 12 MIPS throughput at 20 MHz from internal oscillator, 12-bit differential ADC with up to 16-bit oversampling, and configurable custom logic blocks. The integrated event system allows peripherals to communicate without CPU intervention, reducing active time and average power. Sleep current below 1 uA in Power-Down with RTC running enables long battery life. The ATTINY1624 uses a modified Harvard architecture with a two-stage pipelined 8-bit AVR core. Flash is read in 16-bit words so 16 KB of Flash stores 8K instructions. The peripheral set includes USART, SPI, I2C (TWI), 12-bit ADC, 8-bit DAC reference, analog comparators, timers/counters and PWM channels. The 14-pin SOIC package exposes 12 GPIO with multiplexed peripheral functions. Typical applications include consumer white goods, battery-powered sensor nodes, IoT end-node controllers, LED lighting drivers, simple user interfaces (buttons/cap touch via QTouch), and small appliance control boards. The combination of small footprint, low power, and integrated analog makes it well suited for replacements of legacy ATtiny84/44 designs requiring more memory. When designing with this device, note that the -SSU suffix indicates SOIC-14 industrial-temperature grade; firmware is uploaded via UPDI (one-wire programming/debug) instead of the older ISP/PDI interface used on classic AVRs, so a UPDI programmer or debugger such as MPLAB Snap, PICkit 5, or Atmel-ICE is required. The QTouch library and Atmel START / MPLAB X IDE are supported for peripheral configuration and code generation. This page synthesizes current distributor pricing, drop-in alternatives in the same SOIC-14 footprint, and practical design notes not found in the manufacturer datasheet.

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ATTINY1626-XU - 20MHz 16KB AVR tinyAVR 2 MCU | Microchip
ATTINY1626-XU

ATTINY1626-XU - 20MHz 16KB AVR tinyAVR 2 MCU | Microchip

The Microchip Technology ATTINY1626-XU is an 8-bit AVR RISC microcontroller from the tinyAVR 2 family, delivering up to 20 MHz CPU performance with a hardware multiplier, 16 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM in a 20-pin SSOP industrial-grade package rated for -40C to +85C operation. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripherals around an 8-bit data bus. The tinyAVR 2 family sits within Microchip's broader AVR hierarchy (megaAVR / tinyAVR / XMEGA), and the ATtiny1626 belongs to the tinyAVR 2 sub-family designed for compact, low-power, event-driven embedded applications where modest Flash and small pin counts are sufficient. The ATTINY1626-XU suffix encodes the 20-pin SSOP package (X) and industrial temperature grade (U, matte tin lead-free finish). Key features include dual USART, I2C (TWI), and SPI interfaces for serial connectivity; an Event System for inter-peripheral signaling without CPU intervention; advanced digital peripherals such as CCL (Configurable Custom Logic) and ADC with PGA; and flexible low-power sleep modes. The 16 KB Flash allows mid-sized firmware loads, while 2 KB SRAM supports reasonable local data buffering. Operating voltage ranges from 1.8V to 5.5V, enabling direct connection to coin-cell, Li-ion, or 3.3V/5V rails without level translation. Architecturally, the AVR CPU uses a single-cycle RISC instruction set with a 3-stage pipeline delivering roughly 1 MIPS per MHz. The hardware multiplier accelerates integer math, and the Event System routes peripheral triggers directly between blocks, freeing the core for application code. Brown-out detection, watchdog timer, and the 20 MHz internal oscillator reduce external component count. Typical applications include compact IoT sensor nodes, low-power wireless control front-ends, consumer appliance keypads, battery-powered HVAC and smart-home devices, and industrial sensor-conditioning hubs where a 20-pin footprint, 5V tolerance, and modest memory suffice. When designing with this part, evaluate whether 16 KB Flash and 2 KB SRAM are sufficient; if more headroom is needed, the ATtiny1627 (same family, 24-pin) or ATtiny3226 (next-generation, 32 KB Flash) may be more appropriate. Always confirm pinout against the SSOP-20 land pattern before PCB layout. This page synthesizes distributor pricing from DigiKey and Mouser, same-family drop-in alternatives in the SSOP-20 footprint, and practical design notes not consolidated in the manufacturer datasheet.

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ATTINY167-AXD - 8-bit AVR MCU, 16KB Flash, 20MHz, TSSOP-20 | Microchip
ATTINY167-AXD

ATTINY167-AXD - 8-bit AVR MCU, 16KB Flash, 20MHz, TSSOP-20 | Microchip

The Microchip (formerly Atmel) ATTINY167-AXD is an 8-bit AVR RISC-based microcontroller featuring 16KB In-System Programmable Flash, 512B EEPROM, and 512B SRAM, clocked up to 20 MHz, housed in a 20-pin TSSOP package. The device integrates a hardware LIN/UART controller, full-speed USB 2.0 device interface, 16 general-purpose I/O lines, 32 working registers, and a 10-bit ADC, delivering automotive-grade connectivity for embedded LIN nodes and USB peripherals. An 8-bit microcontroller (MCU) is a compact processor that integrates a CPU core, non-volatile program memory, volatile data memory, and peripheral interfaces on a single silicon die. The AVR family uses a modified Harvard architecture with single-cycle instruction execution, making 8-bit MCUs well suited for deterministic, low-power, real-time control tasks. Within the broader semiconductor taxonomy, MCUs belong to the embedded processor category, with 8-bit parts occupying the low-power, cost-sensitive end versus 16-bit and 32-bit MCUs that target higher computational throughput. The ATTINY167-AXD specifically adds automotive bus (LIN) and USB connectivity, a combination rarely found in 8-bit parts, while remaining in a small TSSOP-20 footprint. Key features include 16KB flash (8K x 16 words), 512B EEPROM for non-volatile data, 512B SRAM, hardware LIN 2.0 controller, USB 2.0 full-speed device, 10-bit ADC with up to 11 channels, 8-bit and 16-bit timers with PWM, an enhanced universal serial interface (USI), and a programmable watchdog timer with separate on-chip oscillator. The MCU operates from 1.8V to 5.5V across -40C to +125C (automotive grade), and supports in-system programming via SPI or USB, enabling field firmware upgrades without desoldering. The device uses Microchip's enhanced AVR RISC core executing instructions in a single clock cycle, achieving up to 20 MIPS throughput at 20 MHz. Hardware LIN handling offloads bit timing and checksum generation from the CPU, freeing cycles for application logic. The integrated USB transceiver and dedicated 3.3V regulator simplify USB device designs by eliminating external PHY or LDO components. The TSSOP-20 package balances IO count with a 6.5mm x 4.4mm board footprint, smaller than the SOIC-20 alternative. Typical applications include automotive LIN slave nodes (body controllers, seat modules, mirror controllers, sensor clusters), USB human-interface devices (HID mice, keyboards, custom peripherals), industrial sensor transmitters, and low-cost consumer devices requiring automotive temperature tolerance. The wide operating voltage and temperature range also make it suitable for harsh-environment IoT edge nodes. When designing with this device, prioritize decoupling: place a 100nF ceramic capacitor on each VCC pin within 2mm of the pad, and add a 10uF bulk capacitor near the USB VBUS line. For LIN applications, route the LIN line as a differential pair with the bus pull-up, and add TVS protection such as the NUP2105L. Always configure the fuses for the intended clock source (internal 8 MHz RC vs external crystal) before USB enumeration. This page synthesizes distributor pricing, drop-in compatible alternatives within the TSSOP-20 footprint, and practical automotive design notes not collected on a single manufacturer datasheet page.

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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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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-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-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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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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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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