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ATTINY13A-PU

ATTINY13A-PU - 20MHz 8-Bit AVR MCU | Microchip

The Microchip ATTINY13A-PU is an 8-bit AVR microcontroller with a 20 MHz maximum clock, 1 KB of in-system programmable flash, and an 8-PDIP package. It operates from 1.8 V to 5.5 V and provides 64 bytes of EEPROM, 64 bytes of SRAM, a 32-byte register file, and a four-channel 10-bit ADC. The ATTINY13A-PU combines these resources in an 8-pin through-hole package for compact embedded control. An 8-bit microcontroller is a programmable semiconductor that executes instructions from embedded flash memory and uses registers, SRAM, and peripherals to control a system. The ATtiny13A belongs to the TinyAVR family within the AVR architecture and provides a practical balance of processing speed, memory, analog measurement, and low power operation for cost-sensitive embedded products. Its small pin count makes it especially useful where board area and simplicity are important. Core resources include 1 KB of flash, 64 bytes of SRAM, 64 bytes of EEPROM, and a 32-byte register file. The four-channel 10-bit ADC supports analog sensing, while the AVR enhanced RISC architecture executes instructions in a single clock cycle. At 20 MHz, the processor can approach 20 MIPS of instruction throughput under suitable operating conditions. In-system programming supports programming and reprogramming through the ICSP interface. The device is based on a low-power CMOS process and uses the AVR enhanced RISC architecture. The picoPower implementation is intended to improve power efficiency relative to the original ATtiny13 while retaining a familiar programming model and peripheral arrangement. A limited 1 KB flash capacity favors compact control routines, pin-change interrupts, timers, communication state machines, and other tasks that do not require a large application framework. Typical uses include LED lighting controls, small motor or actuator controllers, simple keypads, compact sensor interfaces, teaching boards, and low-cost embedded products. The four ADC channels make the device useful for reading resistive or analog sensors, while its GPIO pins can operate digital inputs and outputs. The 8-PDIP format also simplifies breadboard prototyping, hand assembly, repair, and educational experiments. Designers should allocate the small SRAM carefully and avoid duplicating library functions that consume substantial flash. Place the decoupling capacitor close to VCC, use the reset and programming pins according to the manufacturer data sheet, and verify ADC input limits against the selected operating voltage. When timing, brown-out detection, or power-consumption behavior is important, review the device-specific electrical characteristics before production release. This product record combines the manufacturer data sheet, programming resources, package information, and application-oriented guidance. It also identifies the clearest same-package drop-in alternative and explains the hardware and software checks that should accompany any replacement decision.

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ATTINY13A-SF

ATTINY13A-SF - 20MHz 1KB AVR MCU | Microchip Technology

Microchip Technology ATTINY13A-SF is a picoPower 8-bit AVR RISC-based microcontroller with 1 KB of ISP Flash, 64 bytes of EEPROM, 64 bytes of SRAM, and a 4-channel 10-bit ADC, operating up to 20 MHz in an 8-pin SOIC package. It supports 1.8 V to 5.5 V operation and delivers up to 20 MIPS throughput at 20 MHz. The ATTINY13A-SF is designed for compact embedded systems where low cost, low power, and deterministic control are more important than memory capacity. A microcontroller is a programmable control component that combines a CPU core, nonvolatile program memory, working memory, and peripherals on one integrated circuit. The ATtiny13A belongs to the TinyAVR family and uses the AVR enhanced RISC architecture. Its instruction set executes most instructions in a single clock cycle, allowing clock speed to be balanced against power consumption in battery-operated equipment. The ATTINY13A-SF includes 90 powerful AVR instructions, eight general-purpose working registers, brown-out detection, power-on reset, a watchdog timer, and four 10-bit ADC channels. Its small memory footprint suits simple state machines, sensor interfaces, LED control, timers, and compact consumer accessories. The 20 MHz maximum clock provides additional timing margin for protocol handling and control loops. The ATtiny13A is based on low-power CMOS technology and is designed for both active and low-power operation. The manufacturer describes the picoPower architecture as a way to optimize power consumption while maintaining execution throughput. The 1.8 V to 5.5 V operating range permits operation from single-cell and low-voltage systems as well as conventional 3.3 V or 5 V rails. Typical applications include battery-powered sensors, simple LED and motor-control boards, compact remote controls, consumer appliances, hobby projects, and small embedded control modules. The ATTINY13A can be programmed through In-Circuit Serial Programming, while the MPLAB Snap debug interface supports in-circuit debugging through the device I/O and reset lines. When designing a board, verify the SOIC-8 footprint, pin 1 orientation, supply decoupling, programming access, and the voltage range of every connected peripheral. Use the manufacturer datasheet for the complete pin description, electrical characteristics, fuse settings, and recommended application circuits.

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ATTINY13A-SH

ATTINY13A-SH - 8-Bit 20MHz AVR Microcontroller | Microchip

Microchip Technology ATTINY13A-SH is an 8-bit AVR tinyAVR microcontroller with a 20 MHz maximum clock, 1 KB in-system programmable Flash, 64 bytes EEPROM, and 64 bytes SRAM in an 8-pin SOIC package. The device provides 6 I/O ports and operates from low-voltage supplies identified in the verified data as 2.5 V, 3.3 V, and 5 V. According to the Microchip manufacturer datasheet, its enhanced RISC architecture executes powerful instructions in a single clock cycle, delivering throughput approaching 1 MIPS per MHz. An 8-bit microcontroller is a compact embedded-processing semiconductor that integrates a CPU core, program memory, data memory, I/O, and peripherals on one chip. The ATtiny13A belongs to the TinyAVR family and uses the AVR enhanced RISC architecture. Within the product hierarchy, it is an 8-bit RISC microcontroller, an embedded controller, and a semiconductor designed for cost-sensitive control tasks that require modest memory, limited I/O, and low power consumption. The primary features include 1 KB of Flash program memory, 64 bytes of EEPROM, 64 bytes of SRAM, 20 MHz operation, six I/O ports, and an AVR instruction set with 90 powerful instructions. The manufacturer describes most instructions as completing in a single clock cycle. These characteristics make the ATTINY13A-SH suitable for compact embedded controllers, simple timers, basic logic sequencers, small motor-control functions, and low-pin-count sensing systems where a larger MCU would add unnecessary cost and board area. Technically, the ATTINY13A combines a one-cycle-per-instruction AVR core with limited but deterministic resources. Its 1 KB Flash supports compact firmware, while the 64-byte SRAM and 64-byte EEPROM provide working and nonvolatile data storage. The device is offered in a surface-mount 8-SOIC package, allowing automated assembly and compact PCB placement. The verified distributor data identifies the device as active and lists it as an 8-bit AVR microcontroller with a 20 MHz clock. Typical applications include small appliance controls, sensor interfaces, LED-sequencing modules, compact motor controllers, battery-operated products, and simple industrial automation nodes. For these applications, the decisive benefits are the six available I/O ports, 1 KB program-memory capacity, low-voltage operation, and compact SOIC-8 footprint. A design requiring substantially more code space, RAM, peripheral capability, or pins should use a larger ATtiny or ATmega-class controller instead. A critical design consideration is to verify the complete operating-voltage envelope, clock configuration, reset behavior, and programming interface against the manufacturer datasheet before PCB release. Decoupling capacitors should be placed close to the supply pin, and unused inputs should be brought to a defined logic level. ISP programming should be exposed when firmware updates or production programming are required, rather than relying on an inaccessible programming interface. This page combines the verified manufacturer specifications, distributor availability, package details, sourcing information, and practical selection guidance with a strict analysis of same-footprint drop-in alternatives. It also distinguishes genuine drop-in options from unavailable or unverifiable replacements so engineers can evaluate migration risk before modifying a PCB.

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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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ATTINY13A-SU

ATTINY13A-SU - 20MHz 8-Bit AVR Microcontroller | Microchip

The Microchip Technology ATTINY13A-SU is a low-power 8-bit AVR microcontroller with a 20 MHz maximum clock, 1 KB of in-system programmable Flash memory, 64 bytes of EEPROM, 64 bytes of SRAM, and a 4-channel 10-bit ADC, packaged in an 8-pin SOIC. It operates from 1.8 V to 5.5 V and can execute up to 20 MIPS at 20 MHz. An 8-bit microcontroller is a compact embedded-processing IC that combines a processor core, nonvolatile program memory, data memory, and peripherals on one die. The ATTINY13A belongs to the TinyAVR family within Microchip's AVR portfolio. Its enhanced RISC architecture executes many instructions in a single clock cycle, supporting processing throughput approaching 1 MIPS per MHz while allowing designs to balance speed against power consumption. The principal features of the ATTINY13A-SU include 1 KB of ISP Flash, 64 bytes of EEPROM, 64 bytes of SRAM, a 32-byte register file, and four 10-bit analog-to-digital converter channels. Its operating range of 1.8 V to 5.5 V supports low-voltage battery-powered equipment as well as conventional 5 V systems. In-system programming and ICSP interfaces support programming and debugging without removing the microcontroller from its circuit. The device uses the AVR enhanced RISC architecture and can reach 20 MIPS throughput at a 20 MHz clock. This processing rate is more than adequate for compact control tasks involving digital I/O, timing, simple control logic, and analog signal measurement. The ATtiny13A-SU combines this processing capability with a small memory footprint, making it suitable for cost- and power-sensitive embedded products rather than connectivity-heavy or high-memory applications. Typical uses include small motor controllers, temperature-sensor interfaces, battery monitors, LED controllers, appliance controls, hobby electronics, and simple sensor nodes. The four-channel 10-bit ADC is particularly useful when a design needs several analog inputs but does not require the memory, processing, or peripheral resources of a larger microcontroller family. For new layouts, preserve the ATtiny13A pin assignments and provide a decoupling capacitor close to VCC. Confirm the selected clock source, brown-out configuration, programming connector, and ADC reference arrangement against the manufacturer datasheet. Changes to package suffix, clock specification, or operating mode can alter qualification, programming, or temperature requirements even when the basic function remains the same. This product page consolidates the ATTINY13A-SU electrical characteristics, package information, pin assignments, lifecycle information, verified drop-in references, and practical design guidance. It supports engineers comparing the 8-pin SOIC implementation with documented alternatives without confusing electrical compatibility, package compatibility, and broader functional similarity.

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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

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

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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ATTINY167-MU

ATTINY167-MU - 16MHz AVR MCU with 16KB Flash | Microchip

The Microchip Technology ATTINY167-MU is an 8-bit AVR RISC-based microcontroller operating at 16 MHz with 16 KB of ISP Flash, 512 bytes of EEPROM, and 512 bytes of SRAM in a 32-pin VQFN 5x5 mm package. The device provides 16 general-purpose I/O lines and combines a compact embedded-control footprint with 16 KB of program memory for firmware, configuration data, and application logic. An 8-bit microcontroller is a compact digital controller built around a processor, nonvolatile program memory, data memory, and configurable input/output peripherals. The ATtiny family belongs to the TinyAVR segment of the AVR product hierarchy. These devices are commonly used where a control system needs deterministic embedded processing but does not require the memory, operating speed, or peripheral complexity of a high-end application processor. The ATTINY167-MU provides 16 KB of ISP Flash, 512 bytes of EEPROM, and 512 bytes of SRAM for persistent configuration and working data. Its 16 general-purpose I/O lines support digital sensing and control, while its 32 general-purpose working registers support efficient execution of the AVR instruction set. The microcontroller also includes an 8-bit timer/counter with compare modes and an 8-bit high-speed timer/counter for periodic and timing-related functions. Its AVR RISC architecture executes most instructions within a single clock cycle, which provides predictable behavior for motor, control, and interface tasks. The 16 MHz operating speed gives designers additional timing headroom over slower 8-bit implementations. The 32-pin VQFN package also includes an exposed pad according to the verified product listings, improving available heat-spreading area on the PCB when the device operates at elevated ambient temperatures or sustained computational load. Typical applications include compact industrial controllers, sensor-conditioning systems, actuator controllers, LED sequencing, low-cost instrumentation, and embedded control modules. The 16 I/O lines make the part useful for products that need several digital inputs and outputs while retaining a small 5x5 mm footprint. Its 16 KB Flash capacity is also appropriate for moderate control firmware that must be programmed in-system through the AVR ISP interface. The primary design consideration is matching firmware requirements to only 512 bytes of SRAM and 16 KB of Flash. Avoid interrupt handlers or library structures that require excessive stack space, and verify bootloader, application, and in-system programming requirements before final firmware allocation. PCB layouts must also follow the manufacturer's exposed-pad and thermal-land guidance rather than treating the VQFN as a conventional leaded package. This page combines verified manufacturer and distributor specifications with package details, application guidance, engineering considerations, and a transparent assessment of drop-in replacement availability. That information helps buyers evaluate the ATTINY167-MU beyond basic catalog parameters while clearly identifying specifications and equivalent parts that could not be verified from the supplied sources.

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ATTINY167-SU

ATTINY167-SU - 16MHz 16KB 8-Bit AVR MCU | Microchip

Microchip Technology ATTINY167-SU is an 8-bit AVR RISC microcontroller with a 16 MHz clock, 16 KB of in-system programmable Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, and 16 general-purpose I/O lines in a 20-pin SOIC package. The device combines compact code storage with serial communications and embedded control peripherals for cost-sensitive embedded systems. An 8-bit AVR microcontroller is a compact semiconductor in the microcontroller hierarchy, combining a CPU core, program memory, data memory, I/O ports, timers, and communication peripherals on one integrated circuit. The AVR enhanced RISC architecture is designed for efficient control tasks, while in-system programming allows firmware to be written or updated without removing the device from its target circuit. The ATTINY167-SU provides 16 KB of Flash for firmware, 512 bytes of EEPROM for nonvolatile parameters, and 512 bytes of SRAM for working variables. Its 16 general-purpose I/O lines support digital inputs, outputs, and multiplexed peripheral functions. A 16 MHz operating clock supports deterministic control in compact embedded products, and the 20-pin SOIC package simplifies assembly on conventional through-hole PCB layouts. The device is based on the low-power CMOS AVR enhanced RISC architecture and integrates an 8-bit timer/counter with compare modes. Serial interfaces support communication with sensors, transceivers, actuators, and service connectors. Because Flash, EEPROM, SRAM, I/O, timing, and communications share one package, the ATTINY167-SU can reduce board area and component count compared with discrete control solutions. Typical uses include LIN-connected automotive accessory modules, compact sensor interfaces, building-control nodes, lighting-control modules, and small industrial automation products. The combination of 16 KB Flash and a LIN controller is particularly useful in distributed networks where each node requires local firmware, nonvolatile configuration storage, and reliable low-speed communication. When designing the PCB, assign every pin through the manufacturer pin-description table and reserve programming-test access for ISP programming and debugging. Follow the recommended input, output, and decoupling capacitor arrangement, and verify external clock requirements before selecting oscillator components. Because 512 bytes of SRAM is modest, use efficient buffers and avoid unnecessarily large in-memory data structures. This product page combines the manufacturer specifications, package information, practical application guidance, and clearly qualified replacement analysis. The comparison and design notes focus on engineering differences that affect firmware compatibility, memory requirements, communications, layout, and production sourcing rather than simply repeating a catalog summary.

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ATTINY167-XU

ATTINY167-XU - 16MHz 16KB AVR Microcontroller | Microchip

The Microchip Technology ATTINY167-XU is an 8-bit AVR RISC-based microcontroller with 16 KB of ISP Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, and up to 16 general-purpose I/O lines. It operates at up to 16 MHz and is offered in a 20-pin TSSOP package for compact embedded-control designs. An AVR microcontroller is a low-power programmable controller built around the AVR RISC instruction set. Its place in the product hierarchy is microcontroller > embedded controller > semiconductor, while the ATTINY167 belongs to the ATtiny family of small 8-bit RISC microcontrollers. These devices combine digital control, timers, serial interfaces, and analog functions in one integrated package, allowing compact products to replace combinations of discrete logic and analog components. Key features include 16 KB of ISP Flash program memory, 512 bytes of EEPROM, 512 bytes of SRAM, 32 general-purpose working registers, and an 8-bit timer/counter with compare modes. The device also provides a high-speed timer/counter, supporting applications that require precise timing, periodic events, input capture, or waveform generation. Its 16 general-purpose I/O lines provide flexible connections for switches, sensors, indicators, actuators, and communication peripherals. The ATTINY167 combines a high-performance 8-bit RISC core with on-chip nonvolatile storage and a compact peripheral set. ISP programming supports in-system firmware updates when the circuit provides the required programming access. The 512-byte SRAM is suitable for small control loops, state machines, communication buffers, and mixed analog-digital logic, while the 512-byte EEPROM preserves calibration values, configuration settings, counters, or product data when power is removed. Typical applications include compact industrial controllers, low-power sensor nodes, building and appliance controls, LED drivers, compact power-conversion controllers, and small motor-control systems. It is especially useful where an 8-bit architecture, deterministic peripheral timing, and space-efficient TSSOP packaging are more valuable than the processing power of a 32-bit MCU. PCB implementation should preserve access to the programming interface and provide the decoupling and clock arrangement specified by the manufacturer datasheet. Confirm ADC, timer, and communication pin assignments before fixing the board layout because peripheral functions can share I/O pins. For battery-powered equipment, calculate the average current from active-mode and power-sleep behavior rather than relying only on the maximum clock frequency. This page combines the ATTINY167-XU electrical characteristics, drop-in replacement guidance, application analysis, and design notes to support faster component selection and PCB implementation.

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ATTINY20-CCU

ATTINY20-CCU - 8-bit AVR MCU, 2KB Flash, 15-UFBGA | Microchip

The Microchip Technology ATTINY20-CCU is an 8-bit AVR RISC microcontroller with 2 KB of in-system programmable Flash memory, 128 bytes of SRAM, and 12 general-purpose I/O lines. It operates at up to 12 MHz and is packaged in a 15-UFBGA 3x3 mm package for space-constrained embedded designs. An 8-bit AVR microcontroller is a compact RISC-based controller that executes most instructions within a single clock cycle. The ATTINY20 belongs to the TinyAVR family, combining low-power operation with timer, counter, ADC, and PWM resources in a small package. Its architecture follows the MCU hierarchy from application-specific controller to embedded processor, RISC microcontroller, and integrated circuit. The device provides 2 KB of ISP Flash for program storage and 128 bytes of SRAM for working memory. Its 12 I/O lines support digital control and multiplexing functions, while the 16 general-purpose working registers support efficient register-based execution. Peripheral resources include an 8-bit timer/counter with two PWM channels, a 16-bit timer, and a 2-channel 10-bit ADC, according to the Microchip ATtiny20 product page. The ATtiny20 uses the compact AVR enhanced RISC architecture and can approach 1 MIPS per MHz under suitable instruction conditions. ISP programming permits firmware updates without removing the device from a finished assembly, which simplifies production programming, in-system upgrades, and low-volume manufacturing. Its 15-UFBGA package reduces board area compared with leaded or larger-surface-mount packages, although board layout and prototyping require fine-pitch assembly capability. Typical uses include compact sensor controllers, LED lighting modules, battery-powered monitoring devices, simple motor or fan controls, and embedded keypad interfaces. The two PWM channels can drive indicators or small mechanical loads, the ADC supports analog sensing, and the GPIO count is suitable for modest control loops where a larger MCU would be unnecessary. Designers should confirm the exact pin mapping and exposed-pad requirements against the manufacturer datasheet before layout because no compatible package SVG was available for verification. Firmware must also fit within 2 KB, and applications must account for the limited 128-byte SRAM. The 3x3 mm land pattern is mechanically compact but requires careful reflow control and inspection. This page consolidates the verified ATtiny20 family specifications, distributor inventory and pricing, sourcing links, and design considerations that are not presented together on a manufacturer datasheet summary. It also documents the limited availability of verified pin-for-pin replacements for this unusually small 15-UFBGA configuration.

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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

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

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

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

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

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

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

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

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

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

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

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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Unterkategorien

Produkte (38.000+)

ATTINY13A-PU - 20MHz 8-Bit AVR MCU | Microchip

ATTINY13A-SF - 20MHz 1KB AVR MCU | Microchip Technology

ATTINY13A-SH - 8-Bit 20MHz AVR Microcontroller | Microchip

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

ATTINY13A-SU - 20MHz 8-Bit AVR Microcontroller | Microchip

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

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

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

ATTINY167-MU - 16MHz AVR MCU with 16KB Flash | Microchip

ATTINY167-SU - 16MHz 16KB 8-Bit AVR MCU | Microchip

ATTINY167-XU - 16MHz 16KB AVR Microcontroller | Microchip

ATTINY20-CCU - 8-bit AVR MCU, 2KB Flash, 15-UFBGA | Microchip

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

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

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

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

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

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

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

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

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