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Produits (38 000+)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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ATTINY87-MUR - 8-Bit 16MHz AVR MCU with LIN | Microchip (Tape & Reel)
ATTINY87-MUR

ATTINY87-MUR - 8-Bit 16MHz AVR MCU with LIN | Microchip (Tape & Reel)

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

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ATTINY87-SU - 16MHz 8KB AVR MCU with LIN | Microchip
ATTINY87-SU

ATTINY87-SU - 16MHz 8KB AVR MCU with LIN | Microchip

The Microchip Technology ATTINY87-SU is an 8-bit AVR RISC-based microcontroller with a 16 MHz clock, 8 KB of in-system programmable Flash memory, and a 20-pin SOIC package. It provides 16 general-purpose I/O lines, 512 bytes of SRAM, and 512 bytes of EEPROM, making it suitable for compact embedded control, LIN-connected nodes, and low-power peripheral designs. The verified distributor listing identifies the device as the ATTINY87-SU, while the manufacturer describes the ATtiny87 family as a high-performance, low-power 8-bit AVR microcontroller. An 8-bit AVR microcontroller is a compact embedded-processing semiconductor that combines a CPU core, Flash program memory, SRAM, EEPROM, general-purpose I/O, and on-chip peripherals in one device. Within the product hierarchy, ATTINY87-SU belongs to the AVR family, ATtiny microcontrollers, microcontrollers, and integrated circuits. Its in-system programmability supports programming and reprogramming through the device programming interface, while the 16 MHz operating frequency provides a practical balance between processing throughput, power consumption, and peripheral timing. The key verified features are 8 KB Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, 16 general-purpose I/O lines, 16 MHz operation, and integrated connectivity identified by the verified comparison listing as I2C, LIN bus, SPI, and UART. The device is also identified as using 32 general-purpose working registers and an 8-bit timer/counter with compare modes. These resources are appropriate for embedded products that need deterministic control, serial communication, modest data storage, and a modest number of external connections. The ATTINY87-SU is especially relevant to LIN-connected automotive and transportation control modules, sensor nodes, actuator controllers, small industrial interfaces, and low-cost embedded automation products. Its 20-pin SOIC package supports conventional surface-mount assembly, while the 16 I/O lines allow the device to manage multiple discrete inputs and outputs. Compared with larger MCUs, the ATTINY87-SU emphasizes compactness and low power rather than high processing throughput or large memory capacity. Designers should verify the exact pin assignments, clock configuration, programming interface, and peripheral multiplexing against the Microchip ATtiny87 documentation before PCB release. Pay particular attention to the 20-pin SOIC footprint, power and ground connections, exposed communication pins, and the supply-voltage limits specified by the manufacturer datasheet. The verified source does not provide complete electrical limits, temperature ratings, or a complete pin table, so those details require datasheet confirmation. This page combines verified distributor specifications, manufacturer-family information, package details, sourcing references, and practical selection guidance for engineers evaluating the ATTINY87-SU. It is intended to help identify the correct AVR MCU, compare it with related devices, and plan a board-level design without assuming unverified electrical or package details.

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ATTINY87-SUR - 16MHz 8KB AVR MCU with LIN | Microchip (Tape & Reel)
ATTINY87-SUR

ATTINY87-SUR - 16MHz 8KB AVR MCU with LIN | Microchip (Tape & Reel)

The Microchip Technology ATTINY87-SUR is an 8-bit AVR RISC-based microcontroller with a 16 MHz clock, 8 KB of in-system programmable Flash memory, and a 20-pin SOIC package. It provides 16 general-purpose I/O lines, 512 bytes of SRAM, and 512 bytes of EEPROM, making it suitable for compact embedded control, LIN-connected nodes, and low-power peripheral designs. The verified distributor listing identifies the device as the ATTINY87-SUR, while the manufacturer describes the ATtiny87 family as a high-performance, low-power 8-bit AVR microcontroller. An 8-bit AVR microcontroller is a compact embedded-processing semiconductor that combines a CPU core, Flash program memory, SRAM, EEPROM, general-purpose I/O, and on-chip peripherals in one device. Within the product hierarchy, ATTINY87-SUR belongs to the AVR family, ATtiny microcontrollers, microcontrollers, and integrated circuits. Its in-system programmability supports programming and reprogramming through the device programming interface, while the 16 MHz operating frequency provides a practical balance between processing throughput, power consumption, and peripheral timing. The key verified features are 8 KB Flash memory, 512 bytes of EEPROM, 512 bytes of SRAM, 16 general-purpose I/O lines, 16 MHz operation, and integrated connectivity identified by the verified comparison listing as I2C, LIN bus, SPI, and UART. The device is also identified as using 32 general-purpose working registers and an 8-bit timer/counter with compare modes. These resources are appropriate for embedded products that need deterministic control, serial communication, modest data storage, and a modest number of external connections. The ATTINY87-SUR is especially relevant to LIN-connected automotive and transportation control modules, sensor nodes, actuator controllers, small industrial interfaces, and low-cost embedded automation products. Its 20-pin SOIC package supports conventional surface-mount assembly, while the 16 I/O lines allow the device to manage multiple discrete inputs and outputs. Compared with larger MCUs, the ATTINY87-SUR emphasizes compactness and low power rather than high processing throughput or large memory capacity. Designers should verify the exact pin assignments, clock configuration, programming interface, and peripheral multiplexing against the Microchip ATtiny87 documentation before PCB release. Pay particular attention to the 20-pin SOIC footprint, power and ground connections, exposed communication pins, and the supply-voltage limits specified by the manufacturer datasheet. The verified source does not provide complete electrical limits, temperature ratings, or a complete pin table, so those details require datasheet confirmation. This page combines verified distributor specifications, manufacturer-family information, package details, sourcing references, and practical selection guidance for engineers evaluating the ATTINY87-SUR. It is intended to help identify the correct AVR MCU, compare it with related devices, and plan a board-level design without assuming unverified electrical or package details.

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ATTINY87-XU - 16MHz 8-Bit AVR with LIN | Microchip
ATTINY87-XU

ATTINY87-XU - 16MHz 8-Bit AVR with LIN | Microchip

The Microchip Technology ATTINY87-XU is a low-power, 8-bit AVR RISC microcontroller with 8 KB of ISP Flash memory, 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, and a 16 MHz operating speed. The device includes an on-chip LIN controller and is supplied in a 20-pin TSSOP package. Its combination of compact memory, serial connectivity, and 16 I/O lines makes it suitable for embedded control, automotive accessories, sensor nodes, and small actuator systems. An 8-bit AVR microcontroller is a compact embedded processor in the hierarchy of microcontrollers, embedded processors, and semiconductor control devices. The AVR architecture uses a RISC instruction set and general-purpose working registers to execute control and communication firmware efficiently. ATTINY87-XU belongs to the ATtiny family and targets designs that need more connectivity than a basic minimal AVR while retaining a small 20-pin surface-mount footprint. Verified device features include 8 KB of In-System Programmable Flash, 512 B of nonvolatile EEPROM, 512 B of SRAM, 32 8-bit general-purpose working registers, an 8-bit timer/counter with compare modes, and 16 I/O lines. The manufacturer describes 123 powerful instructions, with most completing in a single clock cycle. Its integrated LIN controller supports communication designs where a dedicated network interface would otherwise increase component count. The ATTINY87 family uses Microchip AVR firmware tools and programming workflows. The verified results identify MPLAB Snap support using a High-Speed USB 2.0 computer interface, an 8-pin single-in-line connector to the target, and two device I/O pins plus the reset line for in-circuit debugging and In-Circuit Serial Programming. This makes firmware programming and debug access practical during prototype bring-up and production programming. Typical applications include LIN-connected automotive accessories, compact sensor interfaces, actuator controllers, building and industrial control nodes, low-power embedded instruments, and communication modules. In each case, the 16 MHz core, 8 KB program memory, and integrated serial interfaces reduce the need for external digital components. A key design consideration is selecting the correct package, pin mapping, clock arrangement, programming interface, and operating voltage before laying out a production PCB. Because the supplied excerpts do not include the complete pin table, voltage ranges, electrical limits, ADC details, or LIN timing values, those items must be verified in the official ATTINY87 documentation before release to manufacturing. This page consolidates manufacturer facts, distributor listings, package information, connectivity details, and application guidance. It also clearly identifies where complete pinout, electrical, pricing, lifecycle, and drop-in replacement data were not available in the verified excerpts, helping engineers separate confirmed specifications from information that still requires datasheet review.

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ATTINY87-XUR - 16MHz 8-Bit AVR with LIN | Microchip (Tape & Reel)
ATTINY87-XUR

ATTINY87-XUR - 16MHz 8-Bit AVR with LIN | Microchip (Tape & Reel)

The Microchip Technology ATTINY87-XUR is a low-power, 8-bit AVR RISC microcontroller with 8 KB of ISP Flash memory, 512 B of EEPROM, 512 B of SRAM, 16 general-purpose I/O lines, and a 16 MHz operating speed. The device includes an on-chip LIN controller and is supplied in a 20-pin TSSOP package. Its combination of compact memory, serial connectivity, and 16 I/O lines makes it suitable for embedded control, automotive accessories, sensor nodes, and small actuator systems. An 8-bit AVR microcontroller is a compact embedded processor in the hierarchy of microcontrollers, embedded processors, and semiconductor control devices. The AVR architecture uses a RISC instruction set and general-purpose working registers to execute control and communication firmware efficiently. ATTINY87-XUR belongs to the ATtiny family and targets designs that need more connectivity than a basic minimal AVR while retaining a small 20-pin surface-mount footprint. Verified device features include 8 KB of In-System Programmable Flash, 512 B of nonvolatile EEPROM, 512 B of SRAM, 32 8-bit general-purpose working registers, an 8-bit timer/counter with compare modes, and 16 I/O lines. The manufacturer describes 123 powerful instructions, with most completing in a single clock cycle. Its integrated LIN controller supports communication designs where a dedicated network interface would otherwise increase component count. The ATTINY87 family uses Microchip AVR firmware tools and programming workflows. The verified results identify MPLAB Snap support using a High-Speed USB 2.0 computer interface, an 8-pin single-in-line connector to the target, and two device I/O pins plus the reset line for in-circuit debugging and In-Circuit Serial Programming. This makes firmware programming and debug access practical during prototype bring-up and production programming. Typical applications include LIN-connected automotive accessories, compact sensor interfaces, actuator controllers, building and industrial control nodes, low-power embedded instruments, and communication modules. In each case, the 16 MHz core, 8 KB program memory, and integrated serial interfaces reduce the need for external digital components. A key design consideration is selecting the correct package, pin mapping, clock arrangement, programming interface, and operating voltage before laying out a production PCB. Because the supplied excerpts do not include the complete pin table, voltage ranges, electrical limits, ADC details, or LIN timing values, those items must be verified in the official ATTINY87 documentation before release to manufacturing. This page consolidates manufacturer facts, distributor listings, package information, connectivity details, and application guidance. It also clearly identifies where complete pinout, electrical, pricing, lifecycle, and drop-in replacement data were not available in the verified excerpts, helping engineers separate confirmed specifications from information that still requires datasheet review.

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ATTINY88-AU - 8-Bit 12MHz AVR MCU, 8KB Flash | Microchip
ATTINY88-AU

ATTINY88-AU - 8-Bit 12MHz AVR MCU, 8KB Flash | Microchip

The Microchip Technology ATTINY88-AU is an 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 8 KB in-system programmable flash, 512 bytes SRAM, 64 bytes EEPROM, 28 general-purpose I/O lines, and a 32-TQFP 7 x 7 mm package. It combines a compact AVR architecture with ADC, serial-interface, timer, and PWM resources for embedded control, sensing, and compact consumer or industrial products. An 8-bit AVR microcontroller is a programmable semiconductor containing a CPU core, flash program memory, data memory, peripheral modules, and I/O pins. The ATTINY88 belongs to the ATtiny family, uses the AVR enhanced RISC architecture, and is positioned as a low-power, cost-conscious embedded controller. Its 8-bit architecture is suited to control loops, sensor reading, actuator signaling, and simple serial communication rather than high-throughput computing. Key verified features include 8 KB flash configured as 4K x 16 words, 512 bytes SRAM, 64 bytes EEPROM, 28 I/O lines, 32 general-purpose working registers, two flexible timer/counters with compare modes, an 8-channel 10-bit ADC with gain stage, I2C, SPI, and operation from 1.8 V to 5.5 V. The 12 MHz device combines a 7 x 7 mm TQFP package with sufficient peripheral integration for compact embedded products. The AVR RISC architecture supports instruction-level efficiency, while the analog and serial peripherals reduce the need for external components. The ADC provides a practical path for analog sensor conditioning and control decisions, while I2C and SPI support communication with sensors, displays, memories, and other digital peripherals. The timers support timing, input capture, compare, and PWM-style functions. Typical applications include small sensor nodes, LED lighting controllers, compact consumer devices, battery-powered accessories, simple data-acquisition modules, and low-cost embedded control boards. The 1.8 V to 5.5 V operating range supports systems built around modern low-voltage digital rails. When designing around the ATTINY88-AU, confirm pin multiplexing, ADC input availability, programming signals, and power requirements against the manufacturer datasheet. Firmware and toolchain compatibility should also be validated before production release.

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ATTINY88-AUR - 8-Bit 12MHz AVR MCU, 8KB Flash | Microchip (Tape & Reel)
ATTINY88-AUR

ATTINY88-AUR - 8-Bit 12MHz AVR MCU, 8KB Flash | Microchip (Tape & Reel)

The Microchip Technology ATTINY88-AUR is an 8-bit AVR RISC microcontroller with a 12 MHz maximum clock, 8 KB in-system programmable flash, 512 bytes SRAM, 64 bytes EEPROM, 28 general-purpose I/O lines, and a 32-TQFP 7 x 7 mm package. It combines a compact AVR architecture with ADC, serial-interface, timer, and PWM resources for embedded control, sensing, and compact consumer or industrial products. An 8-bit AVR microcontroller is a programmable semiconductor containing a CPU core, flash program memory, data memory, peripheral modules, and I/O pins. The ATTINY88 belongs to the ATtiny family, uses the AVR enhanced RISC architecture, and is positioned as a low-power, cost-conscious embedded controller. Its 8-bit architecture is suited to control loops, sensor reading, actuator signaling, and simple serial communication rather than high-throughput computing. Key verified features include 8 KB flash configured as 4K x 16 words, 512 bytes SRAM, 64 bytes EEPROM, 28 I/O lines, 32 general-purpose working registers, two flexible timer/counters with compare modes, an 8-channel 10-bit ADC with gain stage, I2C, SPI, and operation from 1.8 V to 5.5 V. The 12 MHz device combines a 7 x 7 mm TQFP package with sufficient peripheral integration for compact embedded products. The AVR RISC architecture supports instruction-level efficiency, while the analog and serial peripherals reduce the need for external components. The ADC provides a practical path for analog sensor conditioning and control decisions, while I2C and SPI support communication with sensors, displays, memories, and other digital peripherals. The timers support timing, input capture, compare, and PWM-style functions. Typical applications include small sensor nodes, LED lighting controllers, compact consumer devices, battery-powered accessories, simple data-acquisition modules, and low-cost embedded control boards. The 1.8 V to 5.5 V operating range supports systems built around modern low-voltage digital rails. When designing around the ATTINY88-AUR, confirm pin multiplexing, ADC input availability, programming signals, and power requirements against the manufacturer datasheet. Firmware and toolchain compatibility should also be validated before production release.

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ATTINY88-MMH - 12MHz 8-Bit AVR Microcontroller | Microchip
ATTINY88-MMH

ATTINY88-MMH - 12MHz 8-Bit AVR Microcontroller | Microchip

The Microchip Technology ATTINY88-MMH is an 8-bit AVR RISC-based CMOS microcontroller with a 12 MHz clock, 8 KB of in-system programmable flash memory, 64 bytes of EEPROM, 512 bytes of SRAM, and 28 general-purpose I/O lines, housed in a 28-VQFN 4 x 4 mm package. It is designed for compact embedded-control designs that require local program storage, serial programming, and deterministic peripheral operation without the resource demand of a larger 8-bit MCU. An 8-bit microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, data memory, I/O ports, and peripherals on one package. The ATTINY88 belongs to the ATtiny family, which uses Microchip's AVR instruction architecture and reduced instruction set computer design. Its 8-bit processing path is appropriate for simple state machines, sensor conditioning, actuator control, and communication tasks where deterministic control is more important than high-bandwidth computation. Key features include 8 KB of flash configured as 4K x 16 words, 64 bytes of EEPROM, 512 bytes of SRAM, 32 general-purpose working registers, and two flexible timer/counters with compare modes. The controller also provides internal and external interrupt sources, as identified by the manufacturer-family datasheet material. Its 12 MHz maximum clock supports responsive peripheral timing while allowing the firmware to control clock behavior where system-level power requirements demand it. The device implements a picoPower-oriented, low-power AVR architecture that combines an 8-bit RISC CPU with integrated serial interfaces and analog-capable I/O resources. Its 28 general-purpose I/O lines provide substantial board-level connectivity for LEDs, switches, sensors, and control signals. Flash memory permits in-system programming, while EEPROM supports parameter retention and 512 bytes of SRAM provide working space for stack, variables, and intermediate data. Typical applications include compact industrial controls, sensor nodes, LED lighting controllers, compact instrumentation, educational control boards, and low-cost consumer accessories. The 28-VQFN package is particularly useful where PCB area is constrained, although its fine pitch demands careful PCB layout, stencil design, solder-paste control, and inspection during assembly. When designing around the ATTINY88-MMH, preserve the package footprint and verify every peripheral connection against the manufacturer pinout before release. The 4 x 4 mm VQFN also requires attention to thermal pad connectivity, solderability, assembly profile, and cleaning practices. Because the exposed construction is difficult to inspect optically, DPa X-ray inspection is advisable when the assembly process permits it. This product data consolidates current distributor availability, package information, core memory and timing specifications, replacement constraints, and application-oriented engineering guidance. It also distinguishes verified production status from uncertain sourcing fields, making the ATTINY88-MMH easier to evaluate for new and existing embedded-system designs.

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ATTINY88-MMU - 12MHz 8KB AVR MCU, 28-VQFN | Microchip
ATTINY88-MMU

ATTINY88-MMU - 12MHz 8KB AVR MCU, 28-VQFN | Microchip

Microchip Technology ATTINY88-MMU is an 8-bit AVR RISC microcontroller with 12 MHz maximum clock speed, 8 KB of in-system programmable flash memory, 64 bytes of EEPROM, 512 bytes of SRAM, and 28 general-purpose I/O lines in a 28-VQFN 4x4 mm package. The device operates from 1.8 V to 5.5 V and is presented in a tray package by Arrow Electronics. An AVR microcontroller is a compact embedded-processing semiconductor that combines a CPU core, program memory, data memory, and peripherals on one integrated circuit. The ATTINY88 belongs to the AVR 8-bit product hierarchy, where it functions as a general-purpose microcontroller suitable for embedded control, sensing, and low-power automation. Its picoPower AVR architecture targets efficient instruction execution and energy-conscious embedded operation. Key features include 8 KB of ISP flash organized as 4K x 16, 64 bytes of EEPROM, 512 bytes of SRAM, and 28 general-purpose I/O lines. The device provides two flexible timer/counters with compare modes and supports internal and external clock sources. In-system programming and in-circuit debugging facilitate programming and troubleshooting, while the 1.8 V to 5.5 V supply range allows use with common low-voltage and legacy 5 V systems. The ATTINY88 combines a high pin count with relatively small memory resources. This balance supports multi-I/O control boards, compact sensor nodes, and embedded products that need more GPIO than an 8-pin or 14-pin MCU but do not require the memory or processing capacity of a 32-bit microcontroller. Its 28-VQFN footprint also reduces board area, although the fine-pitch package demands careful PCB layout and assembly. Typical applications include industrial control modules, environmental monitoring, LED and lighting controllers, compact sensor hubs, appliance interfaces, and low-power embedded products. The 28 GPIO lines allow multiple inputs and outputs to be connected simultaneously, reducing the need for external I/O expanders in small systems. Designers should pay close attention to the 4x4 mm VQFN exposed-pad land pattern, pin orientation, and the availability of only 512 bytes of SRAM. Firmware should avoid unnecessary RAM buffering, use EEPROM only for data that must persist across power cycles, and include the exposed thermal pad in the PCB copper and assembly process. This page consolidates verified manufacturer and distributor information, a parameter-by-parameter comparison, application guidance, and practical design notes for engineers evaluating the ATTINY88-MMU, its package constraints, and verified same-family alternatives.

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ATTINY88-MU 12MHz 8KB 32-VQFN AVR MCU | Microchip
ATTINY88-MU

ATTINY88-MU 12MHz 8KB 32-VQFN AVR MCU | Microchip

Microchip Technology ATTINY88-MU is an 8-bit AVR RISC-based CMOS microcontroller with an operating frequency of 12MHz, 8KB of in-system-programmable flash memory and 28 general-purpose I/O lines in a 32-VQFN package measuring 5mm by 5mm. It operates from 1.8V to 5.5V and provides 512 bytes of SRAM, 64 bytes of EEPROM, two timer/counters, a 10-bit ADC, SPI and debugWire support. An AVR microcontroller is an 8-bit embedded-control semiconductor that combines a processor core, nonvolatile program memory, data memory and peripherals on one integrated circuit. Within the product hierarchy, ATTINY88-MU belongs to the ATtiny family of compact microcontrollers. Its 28 I/O pins provide substantial connectivity for sensors, switches, indicators, actuators and small serial interfaces while maintaining a low component count. Key verified features include up to 12MIPS throughput at 12MHz, eight 8-bit timer/counter registers, programmable watchdog operation and support for In-Circuit Serial Programming. The device combines a 10-bit ADC, SPI serial interface and debugWire debugging in a 5mm-square surface-mount package. These resources suit compact control systems requiring mixed digital and analog input without a larger microcontroller package. The ATtiny48/88 family uses Microchip picoPower AVR architecture to balance processing capability with low-power operation. Because ATTINY88-MU is an 8-bit device, firmware is best organized around interrupt-driven control, timers, digital state machines and periodic sensor sampling. The 512-byte SRAM should be budgeted carefully when buffering data or supporting multiple communication routines, while the 8KB flash capacity favors compact code and bootloading strategies. Typical applications include small industrial controllers, building automation endpoints, sensor hubs, LED-control systems, appliance interfaces and compact embedded instruments. A designer can use the 28 GPIO pins for local controls while assigning SPI to an external sensor or display and using the ADC for analog measurement. Programming is supported through the device's programming and debug interfaces documented by Microchip. A critical PCB consideration is exposed-pad and via layout in the 32-VQFN package. Confirm the exact land pattern, pad dimensions and pin mapping against the manufacturer package drawing before fabrication. Keep analog and digital return paths controlled, provide local supply decoupling, and use the reset and programming interface so programming and debugging remain accessible in production. This page consolidates verified distributor specifications, lifecycle information, application guidance and practical package considerations. It distinguishes verified ATTINY88-MU facts from parameters unavailable in the supplied search results, avoiding unsupported electrical or lifecycle assumptions while helping engineers assess fit before requesting a quote.

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ATTINY88-MUR 12MHz 8KB 32-VQFN AVR MCU | Microchip (Tape & Reel)
ATTINY88-MUR

ATTINY88-MUR 12MHz 8KB 32-VQFN AVR MCU | Microchip (Tape & Reel)

Microchip Technology ATTINY88-MUR is an 8-bit AVR RISC-based CMOS microcontroller with an operating frequency of 12MHz, 8KB of in-system-programmable flash memory and 28 general-purpose I/O lines in a 32-VQFN package measuring 5mm by 5mm. It operates from 1.8V to 5.5V and provides 512 bytes of SRAM, 64 bytes of EEPROM, two timer/counters, a 10-bit ADC, SPI and debugWire support. An AVR microcontroller is an 8-bit embedded-control semiconductor that combines a processor core, nonvolatile program memory, data memory and peripherals on one integrated circuit. Within the product hierarchy, ATTINY88-MUR belongs to the ATtiny family of compact microcontrollers. Its 28 I/O pins provide substantial connectivity for sensors, switches, indicators, actuators and small serial interfaces while maintaining a low component count. Key verified features include up to 12MIPS throughput at 12MHz, eight 8-bit timer/counter registers, programmable watchdog operation and support for In-Circuit Serial Programming. The device combines a 10-bit ADC, SPI serial interface and debugWire debugging in a 5mm-square surface-mount package. These resources suit compact control systems requiring mixed digital and analog input without a larger microcontroller package. The ATtiny48/88 family uses Microchip picoPower AVR architecture to balance processing capability with low-power operation. Because ATTINY88-MUR is an 8-bit device, firmware is best organized around interrupt-driven control, timers, digital state machines and periodic sensor sampling. The 512-byte SRAM should be budgeted carefully when buffering data or supporting multiple communication routines, while the 8KB flash capacity favors compact code and bootloading strategies. Typical applications include small industrial controllers, building automation endpoints, sensor hubs, LED-control systems, appliance interfaces and compact embedded instruments. A designer can use the 28 GPIO pins for local controls while assigning SPI to an external sensor or display and using the ADC for analog measurement. Programming is supported through the device's programming and debug interfaces documented by Microchip. A critical PCB consideration is exposed-pad and via layout in the 32-VQFN package. Confirm the exact land pattern, pad dimensions and pin mapping against the manufacturer package drawing before fabrication. Keep analog and digital return paths controlled, provide local supply decoupling, and use the reset and programming interface so programming and debugging remain accessible in production. This page consolidates verified distributor specifications, lifecycle information, application guidance and practical package considerations. It distinguishes verified ATTINY88-MUR facts from parameters unavailable in the supplied search results, avoiding unsupported electrical or lifecycle assumptions while helping engineers assess fit before requesting a quote.

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ATTINY88-PU - 8-Bit 12MHz AVR MCU | Microchip Technology
ATTINY88-PU

ATTINY88-PU - 8-Bit 12MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY88-PU is an 8-bit AVR ATtiny microcontroller with 8KB of in-system programmable flash memory, a 12 MHz maximum clock, and a 28-PDIP package. It operates across the verified 1.8V to 5.5V supply range and is intended for compact embedded-control, sensing, and actuator designs. The ATTINY88-PU also provides 64 bytes of EEPROM and 512 bytes of SRAM according to the cited comparison data, giving firmware designers more working memory than the smallest ATtiny devices while retaining a small through-hole footprint. A microcontroller is a semiconductor that integrates a processor core, nonvolatile program memory, data memory, and peripherals into one device. The ATtiny88 belongs to the 8-bit AVR family, a low-complexity controller family suited to real-time control loops, digital I/O, timers, communication interfaces, and small sensor systems. The ATTINY88-PU uses an advanced RISC architecture and is supported by an ecosystem of AVR-compatible tools and libraries. The verified feature set includes 8KB of in-system programmable flash, 64 bytes of EEPROM, 512 bytes of SRAM, 123 powerful instructions, and a 12MHz operating speed. Its 1.8V to 5.5V range supports both low-voltage and conventional 5V designs. The 28-PDIP package is useful for prototypes, through-hole assembly, hand wiring, and designs where a socket or easy rework is useful. Typical embedded uses include environmental monitoring, small motor or relay control, LED status systems, keypad interfaces, and compact control boards. Because the exact pin names, timers, peripherals, electrical limits, and package drawing are not supplied in the verified data, those details should be confirmed in the manufacturer datasheet before schematic capture or firmware deployment. Design with the DIP footprint, clock source, programming interface, decoupling requirements, and I/O voltage limits verified against the official datasheet. The 12 MHz operating speed does not by itself guarantee a particular timer frequency; the actual peripheral clock behavior depends on the selected clock source, fuse configuration, and divider settings. This page combines verified manufacturer and distributor facts with purchasing context, application guidance, and conservative replacement qualification. It does not claim a drop-in alternative unless the same package and pin-level compatibility are explicitly supported by available cross-reference data.

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ATTINY9-MAH - 8-Bit 12MHz AVR with 1KB Flash | Microchip
ATTINY9-MAH

ATTINY9-MAH - 8-Bit 12MHz AVR with 1KB Flash | Microchip

The Microchip Technology ATTINY9-MAH is an 8-bit AVR RISC-based microcontroller operating up to 12 MHz, with 1 KB of ISP Flash memory, 32 bytes of SRAM, and four general-purpose I/O lines. It is packaged in an 8-UFDFN exposed-pad package for compact, surface-mount embedded designs. The verified distributor data identifies the part as an ATtiny-series AVR device using an internal oscillator and supplied in bulk packaging. A microcontroller is a programmable integrated circuit that executes firmware to monitor inputs, control outputs, and manage system timing. In the broader semiconductor hierarchy, this device is an 8-bit microcontroller, part of the AVR family, and belongs to the embedded-control and power-management design ecosystem. The ATTINY9 is positioned for small control tasks where low memory capacity, low pin count, and simple timing are more important than a large peripheral set or high processing bandwidth. Verified specifications include 1 KB of program Flash, 32 bytes of SRAM, four I/O lines, a 12 MHz maximum speed, an internal oscillator, and a 16-bit timer/counter with two PWM channels. The manufacturer page also identifies 16 general-purpose working registers and power-on reset, PWM, and watchdog-related functionality. These resources support compact control loops, simple indicator systems, basic motor or actuator timing, and low-power embedded products. The 8-UFDFN package helps reduce board area compared with larger leaded or plastic packages, but its exposed pad and fine-pitch footprint require careful PCB layout, land-pattern verification, soldering controls, and thermal-via planning. Because the provided data does not specify the complete electrical operating range, pin names, memory-retention behavior, or detailed timing characteristics, those parameters are marked as needing verification rather than inferred. Typical uses include small sensor interfaces, simple timers, compact LED or indicator controllers, low-cost consumer accessories, and basic embedded control modules. The device is most appropriate when firmware and I/O requirements are modest and the board can be designed around its 1 KB Flash and 32-byte SRAM limits. For designs needing more memory, communication peripherals, or a larger package pin count, a different ATtiny device should be evaluated. For a new design, confirm the exact UFDFN footprint, exposed-pad connection, programming method, oscillator behavior, and device-specific electrical limits against the official Microchip documentation before layout release. This page combines verified distributor specifications with engineering guidance, while clearly separating confirmed data from parameters that require manufacturer-datasheet confirmation.

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ATTINY9-MAHR - 8-Bit 12MHz AVR with 1KB Flash | Microchip (Tape & Reel)
ATTINY9-MAHR

ATTINY9-MAHR - 8-Bit 12MHz AVR with 1KB Flash | Microchip (Tape & Reel)

The Microchip Technology ATTINY9-MAHR is an 8-bit AVR RISC-based microcontroller operating up to 12 MHz, with 1 KB of ISP Flash memory, 32 bytes of SRAM, and four general-purpose I/O lines. It is packaged in an 8-UFDFN exposed-pad package for compact, surface-mount embedded designs. The verified distributor data identifies the part as an ATtiny-series AVR device using an internal oscillator and supplied in bulk packaging. A microcontroller is a programmable integrated circuit that executes firmware to monitor inputs, control outputs, and manage system timing. In the broader semiconductor hierarchy, this device is an 8-bit microcontroller, part of the AVR family, and belongs to the embedded-control and power-management design ecosystem. The ATTINY9 is positioned for small control tasks where low memory capacity, low pin count, and simple timing are more important than a large peripheral set or high processing bandwidth. Verified specifications include 1 KB of program Flash, 32 bytes of SRAM, four I/O lines, a 12 MHz maximum speed, an internal oscillator, and a 16-bit timer/counter with two PWM channels. The manufacturer page also identifies 16 general-purpose working registers and power-on reset, PWM, and watchdog-related functionality. These resources support compact control loops, simple indicator systems, basic motor or actuator timing, and low-power embedded products. The 8-UFDFN package helps reduce board area compared with larger leaded or plastic packages, but its exposed pad and fine-pitch footprint require careful PCB layout, land-pattern verification, soldering controls, and thermal-via planning. Because the provided data does not specify the complete electrical operating range, pin names, memory-retention behavior, or detailed timing characteristics, those parameters are marked as needing verification rather than inferred. Typical uses include small sensor interfaces, simple timers, compact LED or indicator controllers, low-cost consumer accessories, and basic embedded control modules. The device is most appropriate when firmware and I/O requirements are modest and the board can be designed around its 1 KB Flash and 32-byte SRAM limits. For designs needing more memory, communication peripherals, or a larger package pin count, a different ATtiny device should be evaluated. For a new design, confirm the exact UFDFN footprint, exposed-pad connection, programming method, oscillator behavior, and device-specific electrical limits against the official Microchip documentation before layout release. This page combines verified distributor specifications with engineering guidance, while clearly separating confirmed data from parameters that require manufacturer-datasheet confirmation.

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ATTINY9-TS8R - 8-Bit 10MHz AVR MCU | Microchip Technology
ATTINY9-TS8R

ATTINY9-TS8R - 8-Bit 10MHz AVR MCU | Microchip Technology

The Microchip Technology ATTINY9-TS8R is an 8-bit AVR RISC microcontroller with 1 KB of ISP Flash memory, 32 bytes of SRAM, four general-purpose I/O lines, and a maximum clock speed of 10 MHz, supplied in a 6-pin SOT-23 package. It operates from 2.5 V to 5.5 V, making it suitable for compact embedded-control and low-power consumer designs. An 8-bit microcontroller is a compact computing device that executes embedded instructions from nonvolatile program memory and interfaces with sensors, switches, indicators, and other peripherals. The ATTINY9 belongs to Microchip's ATtiny family, which combines an AVR processor core, timer functions, GPIO resources, and internal oscillators in a small surface-mount package. Its 16 general-purpose working registers support efficient single-cycle instruction execution. The ATTINY9-TS8R provides 1 KB of program memory organized as 512 words by 16 bits, 32 bytes of SRAM, and four I/O pins. Its 16-bit timer/counter includes two PWM channels, while its internal oscillator eliminates the need for an external clock in suitable designs. The device also supports power-on reset and watchdog-related functionality described for the ATtiny9 family. The device combines an 8-bit AVR core with only 1 KB of Flash, making code size the principal design constraint. Its 32-byte SRAM is sufficient for compact state machines, simple control loops, and low-data-volume serial or GPIO tasks, but it is not intended for large buffers or complex host-side connectivity. The 10 MHz operating speed balances responsiveness against clock power and execution time. Typical uses include compact household appliances, simple sensor interfaces, lighting controls, push-button products, low-power timers, and auxiliary controllers. In each case, the ATTINY9 is appropriate when the firmware can fit within 1 KB and the design needs only a small number of digital control points rather than a high-pin-count MCU or application processor. Designers should verify the exact pin assignments, oscillator options, fuse settings, and programming interface against the Microchip ATtiny9 documentation before layout. Decoupling, programming-test access, reset behavior, and exposed-pad-free SOT-23-6 assembly also need to be addressed. The very small package can complicate hand rework and automated optical inspection during prototype builds. This product page consolidates verified manufacturer and distributor information, package details, sourcing links, practical design guidance, and same-package alternatives. The comparison and selection notes distinguish confirmed drop-in candidates from parts that may require firmware or hardware changes, helping engineers choose a replacement without relying on package name alone.

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ATTINY9-TSHR - 12MHz 1KB AVR Microcontroller | Microchip Technology
ATTINY9-TSHR

ATTINY9-TSHR - 12MHz 1KB AVR Microcontroller | Microchip Technology

Microchip Technology ATTINY9-TSHR is an 8-bit AVR RISC-based microcontroller with 1 KB of ISP Flash memory, 32 bytes of SRAM, four general-purpose I/O lines, and a maximum clock speed of 12 MHz, packaged in a 6-pin SOT-23-6 surface-mount package. It is designed for compact embedded-control designs that require low-power operation, modest program memory, and integrated timing and conversion resources. A microcontroller is a programmable semiconductor that combines a CPU core, nonvolatile program memory, working RAM, input/output ports, and embedded peripherals on one device. The ATtiny9 belongs to the ATtiny family of AVR microcontrollers, a low-power RISC architecture commonly used for simple sensing, control, and signal-generation tasks. Its compact package and limited resource footprint make it suitable for space-constrained products rather than connectivity-heavy or high-compute systems. The ATTINY9-TSHR provides 1 KB of ISP Flash memory, 32 bytes of SRAM, four general-purpose I/O lines, 16 general-purpose working registers, and a 16-bit timer/counter with two PWM channels. It also includes an internal oscillator, an analog-to-digital converter, a watchdog-related feature set, and an ISP programming interface. The 12 MHz maximum speed provides useful timing headroom for basic control loops, while the four I/O pins constrain designs to signals that fit the small package. Typical applications include simple sensor nodes, LED and light-control modules, compact motor or actuator controllers, battery-powered accessories, and small embedded products that require local logic rather than a high-performance processor. The ATtiny9 family is also associated with low-power and cost-sensitive embedded systems in which deterministic timing, simple control, and compact PCB area matter more than large memory capacity or extensive communications. The principal design trade-off is resource limitation. Four I/O pins leave little room for multiple sensors, displays, or communications peripherals, and 1 KB of Flash requires compact firmware with careful attention to library size. Use the manufacturer pin-description table when assigning tracks, and confirm that the selected ISP programming and clocking arrangement satisfies the product's startup and update requirements. This page combines the verified ATTINY9-TSHR specifications, package information, application guidance, cross-reference alternatives, and practical design notes to help engineers evaluate this AVR microcontroller before layout and firmware development begin.

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ATXMEGA128A1-AU - 8/16-bit AVR XMEGA MCU, 128KB Flash, TQFP-100
ATXMEGA128A1-AU

ATXMEGA128A1-AU - 8/16-bit AVR XMEGA MCU, 128KB Flash, TQFP-100

The Microchip Technology ATXMEGA128A1-AU is a low-power, high-performance 8/16-bit AVR XMEGA A1 microcontroller based on the AVR enhanced RISC architecture, delivering 32 MHz CPU throughput with single-cycle instruction execution and 128 KB of in-system self-programming Flash, 8 KB SRAM, 2 KB EEPROM, and 8 KB boot code section in a 100-pin TQFP (14x14 mm) package. What is an XMEGA microcontroller? The XMEGA family represents Atmel/Microchip's high-performance 8/16-bit AVR RISC architecture, sitting in the taxonomy: microcontroller -> embedded MCU -> 8/16-bit RISC MCU -> AVR XMEGA family -> A1 series. XMEGA devices execute most instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz, and integrate rich peripherals such as DMA controllers, event systems, and multi-level interrupt controllers to reduce CPU load in real-time applications. Key features of the ATXMEGA128A1-AU include four-channel DMA controller, eight-channel event system, programmable multi-level interrupt controller, 78 general-purpose I/O lines, 16-bit real-time counter (RTC), eight flexible 16-bit timer/counters with compare and PWM channels, eight USARTs, four SPI/serial interfaces, two I2C/TWI interfaces, 12-bit ADC and DAC, and a full-speed USB device interface. The wide 1.6 V to 3.6 V operating voltage range supports both 1.8 V and 3.3 V system designs. The ATXMEGA128A1-AU uses a pipelined Harvard architecture with 32 working registers directly connected to the ALU, enabling high code density and deterministic interrupt latency. The peripheral event system allows peripherals to communicate without CPU intervention, while the four-channel DMA controller offloads data movement between memory and peripherals, ideal for high-throughput sensor aggregation or USB transfers. Typical applications include industrial control systems, building automation, smart energy metering, motor control, USB human-interface devices, sensor hubs, and low-power wireless sensor nodes. Its high peripheral integration and rich connectivity make it well-suited for designs consolidating multiple discrete functions onto a single MCU. When designing with this device, note that the A1 family is marked Not Recommended for New Designs by Microchip, with the AU series offered as the preferred successor. Designers should validate long-term availability before committing to new production. Decoupling with 100 nF ceramic capacitors near each supply pin is essential for clean ADC and DAC performance. This page synthesizes distributor pricing, lifecycle status, drop-in alternative recommendations, and practical design notes that complement the manufacturer datasheet, enabling engineers to make informed sourcing and design decisions.

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ATXMEGA128A1-CU - 128KB Flash 32MHz XMEGA A1 MCU 100-CBGA
ATXMEGA128A1-CU

ATXMEGA128A1-CU - 128KB Flash 32MHz XMEGA A1 MCU 100-CBGA

The Microchip (Atmel) ATXMEGA128A1-CU is a low-power, high-performance 8/16-bit AVR XMEGA A1 microcontroller featuring 128 KB of self-programming Flash program memory, 8 KB SRAM, 2 KB EEPROM, and a 100-ball CBGA (9x9 mm) package. Operating from 1.6 V to 3.6 V with a 32 MHz core clock, it executes instructions in a single cycle, approaching 1 MIPS per MHz, while the integrated DMA controller and 8-channel event system offload the CPU for deterministic peripheral handling. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), working memory (SRAM), non-volatile data storage (EEPROM), and programmable peripherals. Within the broader taxonomy, an MCU belongs to the category of embedded processors, sitting below microprocessors in system hierarchy and above discrete logic ICs in functional capability. The AVR XMEGA family specifically represents an 8/16-bit RISC architecture that targets low-power, deterministic, real-time embedded applications, balancing DSP-class peripheral integration with simple C-friendly tooling. Key features of the ATXMEGA128A1-CU include 78 general-purpose I/O lines, eight 16-bit timer/counters with PWM and capture, a 16-bit RTC, four-channel DMA, programmable multi-level interrupt controller, USB full-speed device support via on-chip transceiver, multiple USART/SPI/TWI interfaces, an external bus interface, a 12-bit ADC and 12-bit DAC, AES and DES crypto accelerators, and an on-chip debug (OCD) system with PDI/DebugWIRE support. The 100-CBGA (9x9 mm, 0.8 mm pitch) package provides generous I/O and an exposed thermal structure suitable for industrial temperature ranges. Architecturally, the device pairs an enhanced AVR RISC pipeline with Harvard-style busing and a peripheral event system that lets peripherals signal one another without CPU intervention - a hallmark of XMEGA's deterministic real-time design. The 1.6 V to 3.6 V wide operating range, multiple sleep modes, and on-chip voltage regulator make it well suited to battery-powered and industrial sensor nodes. Note that the ATXMEGA128A1 family is marked Not Recommended for New Designs (NRND) by Microchip in favor of the newer XMEGA AU series. Typical applications include industrial control (HVAC, factory automation, motor drive controllers, building systems), hand-held battery-powered instrumentation, power tools, smart metering, optical and medical devices, large home appliances, and USB peripherals. Its crypto engines also make it a fit for embedded security nodes. When designing with this part, allocate the 8 KB SRAM and 2 KB EEPROM budgets carefully and reserve at least 4 KB of the 128 KB Flash for a robust bootloader. The 100-CBGA package requires careful PCB pad design and reflow profiling; verify the 0.8 mm pitch footprint against Microchip's package drawing before fab release. This page synthesizes distributor availability, same-package drop-in alternatives from the XMEGA family, and practical design notes not found in the manufacturer datasheet.

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ATXMEGA128A1-CUR - 128KB Flash 32MHz AVR XMEGA MCU | Microchip
ATXMEGA128A1-CUR

ATXMEGA128A1-CUR - 128KB Flash 32MHz AVR XMEGA MCU | Microchip

The Microchip ATXMEGA128A1-CUR is a low-power, high-performance 8/16-bit AVR XMEGA microcontroller delivering 32 MIPS throughput at 32 MHz, packaged in a 100-ball 9x9 mm TFBGA (CBGA) for compact embedded designs. According to the Microchip (formerly Atmel) datasheet, the device integrates 128 KB of in-system self-programming Flash with read-while-write support, 8 KB boot code section, 8 KB SRAM, 2 KB EEPROM, a four-channel DMA controller, an eight-channel event system, and a programmable multilevel interrupt controller. Operating voltage spans 1.6 V to 3.6 V across an industrial temperature range of -40°C to +85°C, making it suitable for battery-powered and industrial-grade applications. An AVR XMEGA microcontroller is a member of the 8/16-bit RISC microcontroller family based on the enhanced AVR architecture. Within the broader taxonomy, XMEGA devices sit between classic 8-bit AVR MCUs and 32-bit ARM Cortex-M parts - they execute most instructions in a single clock cycle, achieving 1 MIPS per MHz, while exposing richer peripherals (DMA, event system, AES/DES crypto on some variants) than legacy ATmega devices. The XMEGA A1 family is the top-of-line 100-pin tier, with the highest pin count, largest memory options, and the most peripheral channels in the XMEGA lineup. Key features of the ATXMEGA128A1-CUR include four USARTs, four TWI (I²C-compatible) interfaces, two SPI ports, a 12-channel 16-bit event system, an 8-channel 16-bit timer/counter array with PWM and compare modes, a 12-bit 2 Msps ADC, two 12-bit DACs, an analog comparator with hysteresis, and 78 general-purpose I/O lines. The 100-ball TFBGA package provides a 0.8 mm ball pitch and 1.2 mm height, optimized for compact handheld and IoT designs. Compared to ATmega128, the XMEGA core delivers roughly 2-4x the MIPS at the same clock while adding DMA and event-driven peripherals. Typical applications include industrial sensor hubs, building automation controllers, USB human-interface devices, smart energy metering nodes, low-power wireless sensor platforms, and motor-control signal processors. Designers select this part when they need AVR toolchain compatibility (AVR Studio, Microchip Studio, GCC-AVR) combined with XMEGA's DMA and event system for deterministic, low-CPU-overhead peripheral handling. When designing with this device, place the 100-ball TFBGA land pattern on a minimum 4-layer PCB with continuous ground planes beneath the package to ensure stable JTAG/PDI programming and to manage thermal dissipation at high MIPS loads. Always include decoupling: a 100 nF ceramic capacitor per VCC pin pair plus a bulk 4.7 µF tantalum or ceramic near the supply rail. Microchip recommends Atmel-ICE or AVR Dragon for PDI programming. This page synthesizes distributor pricing, drop-in AVR XMEGA alternatives, package-level pinout, and practical design notes not found in the manufacturer datasheet alone.

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