マイクロコントローラ

製品 (18172)

ATMEGA165PA-AUR - 16KB Flash 8-Bit AVR MCU 64-TQFP | Microchip
ATMEGA165PA-AUR

ATMEGA165PA-AUR - 16KB Flash 8-Bit AVR MCU 64-TQFP | Microchip

The Microchip Technology ATMEGA165PA-AUR is a picoPower 8-bit AVR RISC microcontroller featuring 16 KB of ISP Flash memory, 512 B of EEPROM, 1 KB of SRAM, and up to 54 general-purpose I/O lines, running at a maximum clock frequency of 16 MHz from a 2.7 V to 5.5 V supply, packaged in a 64-pin TQFP (14 x 14 mm, 1 mm height) delivered on Tape & Reel. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor in the broader microcontroller unit (MCU) family that integrates CPU, nonvolatile program memory, SRAM data memory, peripherals, and I/O on a single die. Within the power-management hierarchy of embedded systems, MCUs such as the ATmega165PA sit at the control layer, executing firmware that manages sensors, displays, communication links, and actuators. Key features include the Advanced RISC Architecture with 133 powerful instructions, most executing in a single clock cycle; 32 general-purpose working registers; read-while-write Flash for self-programming; and the picoPower technology that reduces power consumption in sleep modes. These attributes make the device well suited to low-power, code-space-constrained designs that still need substantial peripheral capability. On the technical side, the ATmega165PA provides a rich peripheral set typical of the ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P family covered by the Microchip (Atmel) 8285 datasheet, including 8/16-bit timers, USART, SPI, and analog-to-digital conversion channels routed to the 54 I/O ports. In-circuit debugging and In-Circuit Serial Programming (ICSP) are supported via MPLAB Snap through two I/O pins and the reset line. Typical applications include industrial control and automation nodes, LCD-instrumentation front ends, and portable or battery-powered devices where the picoPower sleep modes extend operating life. A key design consideration: the PA suffix denotes the picoPower variant - firmware power-management registers differ from the non-picoPower ATmega165P, so verify sleep-mode configuration when migrating. Always pair a 0.1 uF decoupling capacitor at each VCC/GND pin pair. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.54 在庫あり
ATMEGA165PA-MN - 16KB Flash 16MHz AVR MCU | Microchip
ATMEGA165PA-MN

ATMEGA165PA-MN - 16KB Flash 16MHz AVR MCU | Microchip

The Microchip ATMEGA165PA-MN is a picoPower 8-bit AVR RISC microcontroller with 16KB ISP FLASH, 512B EEPROM, 1KB SRAM, 54 general-purpose I/O lines, and a maximum clock frequency of 16MHz, housed in a 64-pin QFN (9x9 mm, MLF/VQFN with exposed pad) package rated to 105C. It operates from 2.7V to 5.5V. An 8-bit microcontroller (MCU) is a self-contained computing chip that integrates a processor core, program memory, data memory, and peripherals on a single die. Within the power-management and embedded-systems hierarchy, the AVR family sits in the 8-bit MCU class, competing with architectures such as PIC, 8051, and STM8, and is typically paired with power regulators, communication interfaces, and sensor front-ends in a complete embedded design. Key features of the ATMEGA165PA-MN include the advanced AVR RISC architecture executing 133 powerful instructions, most in a single clock cycle, 32 general-purpose working registers, and read-while-write ISP FLASH that simplifies firmware updates in the field. The picoPower technology enables very low power consumption in idle and power-down modes, making it suited to battery-operated designs. On the technical side, the device integrates a JTAG interface for boundary-scan and on-chip debugging plus In-Circuit Serial Programming (ICSP), flexible timer/counters, a USART for serial communication, an SPI interface, and a 10-bit ADC. The AVR Harvard architecture fetches instructions and data over separate buses, allowing most instructions to execute in one 62.5 ns cycle at 16MHz, which delivers roughly 16 MIPS of throughput. Typical applications include industrial control and automation nodes, consumer appliances, and battery-powered portable instruments, where the combination of 16KB self-programmable FLASH, 105C operation, and picoPower sleep modes fits both cost-sensitive and low-power requirements. A key design consideration is the QFN exposed-pad package: the pad must be soldered to a grounded PCB land pattern for thermal dissipation and reliable operation at 105C. Programming and debugging use two I/O pins plus reset via ICSP, so reserve these pins during layout. This page synthesizes verified distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2.75 在庫あり
ATMEGA165PA-MNR - 8-bit AVR MCU, 16KB Flash, 16MHz | Microchip
ATMEGA165PA-MNR

ATMEGA165PA-MNR - 8-bit AVR MCU, 16KB Flash, 16MHz | Microchip

The Microchip Technology ATMEGA165PA-MNR is a picoPower 8-bit AVR RISC microcontroller executing up to 16 MIPS at 16 MHz, with 16 KB ISP flash memory, 512 B EEPROM, 1 KB SRAM, and up to 54 general-purpose I/O lines in a 64-pin VFQFN (9x9 mm) package with exposed pad. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, UARTs, ADCs, and SPI/I2C interfaces. Within the power-management hierarchy of embedded systems, an MCU sits between discrete logic and application processors, providing complete embedded control in one chip. The ATmega165PA belongs to the AVR ATmega family of 8-bit RISC MCUs, a widely deployed architecture in industrial control, consumer, and instrumentation products. Key features include the Advanced RISC architecture with 133 mostly single-cycle instructions and 32 general-purpose working registers, in-system programmable (ISP) flash with read-while-write support, and the picoPower technology that delivers low active and sleep-mode consumption for battery-operated designs. The device also integrates a 10-bit ADC, JTAG interface for on-chip debugging and boundary scan, and multiple USART/SPI/TWI serial channels. Architecturally, the ATmega165PA uses a Harvard-structure 8-bit AVR core with single-level pipelining, so most instructions execute in one clock cycle and the core achieves close to 1 MIPS per MHz. The PA suffix denotes the picoPower silicon revision, which Microchip documents as a functionally identical drop-in replacement for the earlier ATmega165P, qualified through the same production test flow. Typical applications include industrial automation and sensor nodes, battery-powered portable instruments, LED and LCD-based HMI panels, and automotive-adjacent control boards where a 16 MHz, 16 KB flash budget is sufficient. When designing with this device, plan the clocking strategy early: the 16 MHz maximum rating applies with a stable supply of 4.5 V to 5.5 V, while lower-voltage operation requires reduced clock frequencies, so verify the frequency-versus-voltage curve in the Microchip datasheet before committing to a 3.3 V system clock. This page synthesizes verified distributor listings, drop-in alternatives, pin-compatibility guidance, and practical design notes that are not consolidated in the manufacturer datasheet.

見積もり 在庫あり
ATMEGA165PA-MU - 8-bit AVR MCU 16MHz 16KB Flash 64-QFN | Microchip
ATMEGA165PA-MU

ATMEGA165PA-MU - 8-bit AVR MCU 16MHz 16KB Flash 64-QFN | Microchip

The Microchip Technology ATMEGA165PA-MU is a picoPower 8-bit AVR RISC microcontroller with 16KB of In-System Programmable Flash, 512B EEPROM, 1KB SRAM, up to 16MHz clock, and 53 general-purpose I/O lines, housed in a 64-pin QFN (9x9 mm) surface-mount package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, positioned within the power-management hierarchy of embedded systems as the central control IC that reads sensors, drives actuators, and manages communication in a standalone electronic product. Key features include the Advanced RISC Architecture with 133 powerful instructions and 32 general-purpose working registers, In-System Programmable Flash with read-while-write capability, and a JTAG interface for boundary-scan, on-chip debugging, and In-Circuit Serial Programming (ICSP). The picoPower technology delivers very low power consumption in active, idle, and power-down modes, making it well suited to battery-operated equipment. Technical depth comes from the AVR core: single-cycle execution at up to 16MHz yields roughly 16 MIPS throughput, while the three flexible timers, USART, and SPI serial interface allow deterministic real-time control with minimal external components. Supply voltage spans 2.7V to 5.5V, covering both 3.3V and 5V logic systems with a single device. Typical applications include industrial control panels, LCD-based instrumentation front ends, battery-powered meters, and consumer appliance control boards where a mid-range AVR with ample I/O and JTAG debug is required. A key design consideration is package thermal handling: the 64-QFN exposed-pad style requires a solid ground pour for reliable soldering and heat dissipation, and the MSL rating must be respected during reflow. This page synthesizes distributor pricing tiers, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, providing added sourcing and engineering value.

USD $2.08 在庫あり
ATMEGA165PV-8AN - 8MHz AVR MCU 16KB Flash TQFP-64 | Microchip
ATMEGA165PV-8AN

ATMEGA165PV-8AN - 8MHz AVR MCU 16KB Flash TQFP-64 | Microchip

The Microchip Technology ATMEGA165PV-8AN is an 8-bit AVR ATmega microcontroller running at up to 8 MHz with 16 KB in-system programmable FLASH, 512 B EEPROM, and 1 KB SRAM, housed in a 64-pin TQFP (14x14 mm) package. An 8-bit AVR microcontroller is a reduced-instruction-set (RISC) single-chip processor in the broader hierarchy of embedded processors: microcontroller -> MCU -> embedded processor -> semiconductor. ATmega devices execute most of their 131 powerful instructions in a single clock cycle, achieving up to 16 MIPS throughput in the wider family, and combine flash program memory, EEPROM data memory, SRAM, timers, USARTs, an ADC, and general-purpose I/O on one die. Key features include the advanced AVR RISC architecture with 32 general-purpose working registers, fully static operation, in-system programmable (ISP) flash with high-endurance non-volatile memory segments, a 10-bit ADC, multiple timers with PWM, and dual USARTs for serial communication. The -8A speed grade specifies 8 MHz maximum clock, and the -V supply option supports a wide 1.8V to 5.5V operating range, allowing battery- and 5V-industrial-compatible designs on the same PCB. The picoPower-class V variant minimizes active and sleep current, while the industrial temperature grade supports operation in demanding environments. The TQFP-64 gull-wing surface-mount package provides 54 general-purpose I/O lines, simplifying designs with many switches, displays, and peripheral interfaces such as SPI, I2C/TWI, and UART links. Typical applications include industrial control panels, building automation and HVAC controllers, metering equipment, sensor nodes, and legacy Atmel AVR designs undergoing production restarts where drop-in ATmega165 family continuity matters. Design consideration: at 8 MHz on a 5V rail, keep decoupling capacitors close to the multiple VCC/GND pin pairs (three on TQFP-64) and route the analog supply through AVCC with an RC filter for best ADC accuracy. This page synthesizes distributor availability, drop-in alternatives, and practical design guidance not found in a single manufacturer datasheet. Pricing references are estimates as of 2026-09-16.

USD $3.25 在庫あり
ATMEGA165PV-8ANR - AVR 8-Bit MCU 16KB 8MHz TQFP-64 | Microchip
ATMEGA165PV-8ANR

ATMEGA165PV-8ANR - AVR 8-Bit MCU 16KB 8MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA165PV-8ANR is an 8-bit AVR ATmega microcontroller delivering up to 8 MHz CPU performance (up to 8 MIPS at 8 MHz), 16KB (8K x 16) of In-System Programmable Flash, 512B EEPROM and 1KB SRAM, housed in a 64-pin TQFP (14 x 14 mm) surface-mount package rated from -40C to +105C. A microcontroller unit (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and peripherals such as timers, UARTs, and ADCs. The ATmega family belongs to the AVR architecture family, which sits within the broader hierarchy of microcontrollers -> embedded processors -> integrated circuits -> semiconductors. MCUs are the workhorses of embedded systems, executing control logic in everything from appliances to industrial sensors. The ATMEGA165PV-8ANR implements the advanced AVR RISC architecture with 131 powerful instructions, most executing in a single clock cycle, and 8 general-purpose working registers for fully static operation up to 16 MIPS throughput. On-chip Flash supports In-System Programming (ISP) and true read-while-write operation, enabling firmware updates without removing the chip. The integrated 10-bit ADC, USART serial interface, SPI port, two-wire interface (TWI), and multiple timers with PWM outputs reduce external component count in mixed-signal designs. The PV suffix denotes the 2.7V to 5.5V wide operating voltage range (3V supply per distributor data), making this device suitable for battery-powered and 5V industrial systems alike. The -40C to +105C temperature rating extends use into harsh environments such as automotive compartments and industrial cabinets, where standard 85C parts would be marginal. The A-grade package and Green/RoHS-type plating per distributor listings support lead-free assembly. Typical applications include industrial sensor nodes and HMI controllers, motor control and power-supply supervision, building automation and metering, and consumer appliance control boards. The 64-pin TQFP footprint provides 54 general-purpose I/O lines, sufficient for keypad matrices, displays, and multi-peripheral buses without port expanders. Design consideration: at 8 MHz rated speed, leave timing margin for the full 2.7V to 5.5V supply range, and verify Flash write endurance and Brown-out Reset settings at the low end of the voltage range before finalizing battery-powered designs. This page synthesizes distributor pricing, drop-in family alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

USD $2.51 在庫あり
ATMEGA165PV-8AU - AVR 8-bit MCU 8MHz 16KB Flash | Microchip
ATMEGA165PV-8AU

ATMEGA165PV-8AU - AVR 8-bit MCU 8MHz 16KB Flash | Microchip

The Microchip Technology ATMEGA165PV-8AU is an 8-bit AVR RISC microcontroller with 16KB in-system programmable FLASH, 512B EEPROM, and 1KB SRAM, running at up to 8MHz in a 64-pin TQFP (14x14 mm) package with 54 general-purpose I/O lines. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals on one die, sitting at the device level of the embedded-systems hierarchy below system-on-chip (SoC) and above simple logic ICs. The AVR family popularized the modified Harvard RISC architecture with single-cycle instruction execution, and this device belongs to the ATmega product line, itself a member of the broader 8-bit microcontroller category that also includes the PIC and 8051 families. Key features of the ATMEGA165PV-8AU include the picoPower-qualified P variant silicon, which supports operating voltages from 2.5V to 5.5V and low idle/power-down current for battery-powered designs. Peripherals comprise two 8-bit timers and two 16-bit timers with PWM channels, an 8-channel 10-bit ADC with internal bandgap reference, a universal synchronous/asynchronous receiver-transmitter (USART), a two-wire interface (TWI, I2C-compatible), an SPI serial port, an on-chip JTAG debug/programming interface with boundary scan, and an analog comparator. Architecturally, the AVR core executes most instructions in a single clock cycle through a two-stage pipeline, achieving close to 1 MIPS per MHz. The 16KB FLASH sustains at least 10,000 write/erase cycles, the 512B EEPROM sustains 100,000 cycles, and in-system programming (ISP) via the SPI allows firmware updates after board assembly. Typical applications include industrial control panels and sensors, HVAC and appliance control, LCD-based instrumentation (the family includes an integrated LCD controller variant lineage), and battery-powered metering where the wide 2.5V-5.5V supply range and low-power sleep modes matter. For design, remember that the ADC reference can be AVCC, an internal 1.1V bandgap, or AREF, and VCC/AVCC must be decoupled with 100nF ceramics placed close to each supply pin group on the TQFP-64. This page synthesizes distributor availability, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet; pricing references are as of 2026-09-16.

USD $2.49 在庫あり
ATMEGA165PV-8AUR - 8-bit AVR MCU, 16KB Flash, 8MHz | Microchip
ATMEGA165PV-8AUR

ATMEGA165PV-8AUR - 8-bit AVR MCU, 16KB Flash, 8MHz | Microchip

The Microchip Technology ATMEGA165PV-8AUR is a low-power 8-bit AVR ATmega microcontroller with 16KB (8K x 16) Flash memory, 8MHz maximum clock frequency, and 53 general-purpose I/O lines, housed in a 64-pin TQFP (14x14 mm) surface-mount package. The P suffix denotes the picoPower technology variant, and the industrial temperature grade supports operation from -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die, sitting at the heart of the embedded-systems hierarchy: semiconductor -> integrated circuit -> microcontroller unit (MCU). The AVR family uses an advanced RISC architecture with 133 powerful instructions, most executing in a single clock cycle, delivering up to 8 MIPS throughput at 8MHz. Key features include in-system self-programmable Flash with simultaneous read/write support, 2.7V to 5.5V wide supply voltage operation, and picoPower sleep modes that reduce standby consumption for battery-powered designs. Peripheral integration covers USARTs, SPI, two-wire interface (TWI/I2C), an 8-channel 10-bit ADC, timers with PWM, and a real-time counter with separate oscillator for RTC functions. Architecturally, the AVR core pairs fast register-file access with Harvard-organized program and data buses, so the 8MHz ATMEGA165PV delivers single-cycle execution that outperforms many slower-clocked CISC 8-bit MCUs. JTAG boundary-scan and on-chip debug simplify manufacturing test and firmware development. Typical applications include industrial control panels, HVAC and building automation, battery-operated metering instruments, and consumer appliance user interfaces where the 64-pin package supplies ample GPIO for keypads and displays. Design consideration: validate the supply-voltage window and speed-versus-voltage derating curve against your rails; the picoPower P-variant has slightly different active/sleep current figures than the standard ATmega165. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.58 在庫あり
ATMEGA165PV-8MN - AVR 8-Bit MCU 16KB 8MHz 64-QFN | Microchip
ATMEGA165PV-8MN

ATMEGA165PV-8MN - AVR 8-Bit MCU 16KB 8MHz 64-QFN | Microchip

The Microchip Technology ATMEGA165PV-8MN is a low-power AVR ATmega 8-bit microcontroller with 16KB (8K x 16) of In-System Programmable FLASH, 512B of EEPROM, 1KB of SRAM, and up to 8MHz clock operation, housed in a 64-pin QFN (9x9 mm) package with 54 programmable I/O lines. An AVR ATmega microcontroller is an 8-bit RISC microcontroller belonging to the broader microcontroller (MCU) family within the embedded processor and power-management hierarchy. AVR cores execute most of their 131 powerful instructions in a single clock cycle, so an 8MHz AVR delivers roughly the effective throughput of a much faster CISC processor, while remaining fully static for operation down to DC. Key features include the Advanced RISC architecture with 32 x 8 general-purpose working registers, a built-in segment LCD driver that makes this family a staple of panel-display products, a 10-bit ADC, SPI and USART serial interfaces, and the PicoPower-oriented 'PV' supply range for low-voltage designs. The 'V' suffix denotes a 1.8V-capable supply range, allowing direct operation from two alkaline cells or a single lithium cell. Technically, the core is fully static with in-system self-programmable flash, enabling boot-loader firmware updates in the field. The memory organization pairs 16KB of flash organized as 8K x 16 with a separate 512B EEPROM for calibration data retention through power cycles. Typical applications include battery-powered instruments with segment LCDs, home appliances and white goods, metering and thermostats, and industrial control nodes that benefit from the 54 GPIO lines and in-system programmability. A key design consideration: at 8MHz this '8M' speed grade should be paired with a crystal or internal RC clock, and the QFN thermal pad should be soldered to a grounded copper pour for reliability. This page synthesizes verified distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.36 在庫あり
ATMEGA165PV-8MNR - AVR 8-bit MCU 16KB 64-QFN | Microchip
ATMEGA165PV-8MNR

ATMEGA165PV-8MNR - AVR 8-bit MCU 16KB 64-QFN | Microchip

The Microchip Technology ATMEGA165PV-8MNR is an 8-bit AVR RISC microcontroller with 16KB (8K x 16) of In-System Programmable Flash, 512B of EEPROM, 1KB of SRAM, and a maximum clock frequency of 8MHz, housed in a 64-pin VQFN/MLF (9x9 mm) package with exposed pad. The -PV suffix indicates operation from 1.8V to 5.5V across the industrial temperature range, and the MN package code combined with the R suffix denotes Tape and Reel packing for high-volume automated assembly. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest layer of the embedded systems hierarchy above discrete logic. The AVR architecture uses a Harvard structure with single-cycle instruction execution, allowing roughly 1 MIPS per MHz of clock, which lets designers trade clock speed against power consumption. Key features of the ATMEGA165PV-8MNR include the 8-bit AVR core executing powerful instructions in a single clock cycle, 16KB Flash with ISP capability, 512B EEPROM for non-volatile parameter storage, 1KB internal SRAM, an on-chip 10-bit ADC, a 5V-tolerant industrial operating profile rated to 105C, and Green/RoHS-compliant packaging. The 64-QFN exposed-pad package provides excellent thermal dissipation and a low-inductance ground path for mixed analog-digital designs. Technically, the device belongs to the picoPower-era ATmega165P family, offering low standby currents and brown-out detection suitable for battery-conscious products. The peripheral set typically includes UART/USART, SPI, and hardware interrupt sources supporting real-time embedded control tasks. Typical applications include industrial control panels, consumer appliance user interfaces, battery-powered metering, and LED or LCD-driven human-machine interfaces where 16KB of code space is sufficient. For design, ensure a decoupling network of at least one 100nF ceramic capacitor per supply pin pair plus bulk capacitance near the exposed pad, which must be soldered to a solid ground plane for both thermal and EMC performance. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-16.

USD $3.49 在庫あり
ATMEGA165PV-8MU - 8MHz AVR MCU 16KB Flash 64-QFN | Microchip
ATMEGA165PV-8MU

ATMEGA165PV-8MU - 8MHz AVR MCU 16KB Flash 64-QFN | Microchip

The Microchip ATMEGA165PV-8MU is an 8-bit AVR ATmega microcontroller delivering 8 MHz clock speed, 16KB (8K x 16) of In-System Programmable Flash, and 53 general-purpose I/O lines, housed in a 64-pin QFN (9x9 mm) package with exposed pad. It operates from a 2.7V to 5.5V supply, with the picoPower-class P suffix supporting low-voltage operation down to 1.8V. An AVR microcontroller is a modified Harvard-architecture RISC processor that fetches instructions from Flash and data from SRAM in a single cycle. Within the power-management hierarchy, the ATmega family sits in the 8-bit MCU class, positioned for embedded control nodes that must combine real-time responsiveness with very low sleep currents. The ATmega165P variant integrates Flash, EEPROM, SRAM, peripherals, and a brown-out detector on one die. Key features include an advanced RISC core executing 133 powerful instructions, most in a single clock cycle, giving throughput approaching 1 MIPS per MHz. On-chip 512B EEPROM and 1KB SRAM support parameter storage and working data without external memory. In-System Programming and self-programming Flash simplify field updates. The wide 2.7V to 5.5V supply range allows direct operation from a 3.3V or 5V rail, and the exposed-pad QFN improves heat dissipation and grounding. Technically, the device pairs the AVR ALU with a single-level pipeline, so a large share of instructions complete in one clock, keeping interrupt latency short and deterministic. Peripherals such as timers, serial interfaces, and an ADC share the bus with the core, letting firmware trade speed against power by scaling the 8 MHz clock and sleep modes. Typical applications include industrial sensors and actuators, battery-powered metering, home automation and IoT nodes, and small HMI or LCD front-end boards where a mid-density AVR with ample I/O is needed. A key design consideration: guarantee the supply stays above 2.7V at full clock speed, or drop the clock frequency when operating at lower voltages per the AVR frequency-versus-voltage curve. This page adds value beyond the datasheet by consolidating verified distributor pricing, stock levels, drop-in alternatives, and practical design notes in one place.

USD $3.95 在庫あり
ATMEGA165V-8AI - 8-bit AVR MCU 16KB Flash 8MHz TQFP-64 | Microchip
ATMEGA165V-8AI

ATMEGA165V-8AI - 8-bit AVR MCU 16KB Flash 8MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA165V-8AI is an 8-bit AVR ATmega microcontroller with 16KB of in-system programmable Flash, 1KB of SRAM, 512 bytes of EEPROM, and up to 16 MIPS throughput at 8MHz, housed in a 64-pin TQFP (14x14 mm) package for industrial temperature ranges. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, where most instructions execute in a single clock cycle. Within the power-management hierarchy of embedded systems, an MCU combines CPU, program memory, data memory, and peripherals such as timers, UART, SPI, and ADC on one die, making it the central control element of a product. The ATmega family sits within the broader AVR 8-bit line from Atmel, now Microchip Technology. Key features of the ATMEGA165V-8AI include 130 powerful instructions mostly executed in a single cycle, eight 32-bit general purpose working registers, fully static operation, and in-system programmable Flash allowing firmware updates on the assembled PCB. The device integrates an 8-channel 10-bit ADC, SPI and UART/USART plus USI serial interfaces, and operates from supply voltages spanning 1.8V, 2.5V, 3.3V, and 5V rails, which is why the V suffix denotes the low-voltage 1.8V-capable variant. Technically, the AVR RISC pipeline pairs a load-store architecture with a Harvard bus structure, separating program and data buses so instruction fetch and execution overlap. The 16KB (8K x 16) Flash is organized for in-system programming via SPI, while the 512-byte EEPROM retains calibration data through power cycles. Brown-out detection and an internal RC oscillator reduce external component count. Typical applications include industrial control panels, battery-powered meters and sensors, and consumer appliance control boards where 8MHz performance at low voltage is sufficient. Design consideration: as a 5V-tolerant and 1.8V-capable device, verify that the ADC reference and I/O voltage levels match your system rails, and confirm brown-out fuse settings for reliable low-voltage operation. This page synthesizes distributor pricing, drop-in alternative options, pin-compatibility notes, and practical design guidance not consolidated in the manufacturer datasheet, as of 2026-09-16.

USD $2.85 在庫あり
ATMEGA165V-8AU - 8-Bit AVR MCU 16KB Flash 8MHz | Microchip
ATMEGA165V-8AU

ATMEGA165V-8AU - 8-Bit AVR MCU 16KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA165V-8AU is an 8-bit AVR ATmega microcontroller featuring 16KB (8K x 16) of In-System Programmable Flash memory, 1KB of SRAM, and 512 bytes of EEPROM, operating at up to 8MHz in a 64-pin TQFP (14x14 mm) package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and programmable peripherals into one chip, forming the lowest tier of the embedded processing hierarchy (MCU -> embedded processor -> system-on-chip). The AVR family from Atmel, now Microchip, uses a modified Harvard RISC architecture in which most instructions execute in a single clock cycle, delivering high code efficiency for 8-bit control tasks. Key features of the ATMEGA165V-8AU include the AVR RISC core rated at 8MHz (up to 8 MIPS at 8MHz), on-chip Flash programmable through the SPI serial interface or a conventional programmer, and connectivity peripherals including SPI and UART/USART for serial communication. The part integrates a brown-out detector, watchdog timer, and internal RC oscillator, reducing external component count. The 64-pin TQFP exposes 54 general-purpose I/O lines organized in ports PA through PG, giving ample pin resources for button matrices, displays, and parallel peripheral buses. Technically, the ATmega165 pairs its 16KB self-programmable Flash with 512B of EEPROM for non-volatile parameter storage and 1KB of internal SRAM for runtime data. The V-grade voltage rating supports operation from a nominal 2.7V to 5.5V supply at 8MHz, making it usable on 3.3V and 5V systems. JTAG boundary-scan and on-chip debugging are supported through the JTAG interface, simplifying development on the 64-pin package. Typical applications include industrial control panels, consumer appliance controllers, battery-powered instrumentation on the low-voltage V grade, and legacy design maintenance where AVR toolchains are already established. A key design consideration: verify your supply rail against the V-speed grade; the 8MHz limit applies across the V operating range, and over-clocking beyond 8MHz on the V variant is not guaranteed by the datasheet. This page synthesizes distributor availability, drop-in same-family alternatives, pinout guidance, and practical design notes not consolidated in the manufacturer datasheet.

USD $3.12 在庫あり
ATMEGA165V-8MU - 8MHz AVR MCU, 16KB Flash | Microchip
ATMEGA165V-8MU

ATMEGA165V-8MU - 8MHz AVR MCU, 16KB Flash | Microchip

The Microchip Technology ATMEGA165V-8MU (originally Atmel) is an 8-bit AVR ATmega microcontroller with 16KB of In-System Programmable Flash, 1KB of SRAM, 512 bytes of EEPROM, and an 8MHz maximum clock speed, housed in a 64-pin QFN (9x9 mm) surface-mount package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 131 powerful instructions in a single clock cycle. In the embedded system hierarchy, the AVR ATmega family sits under microcontrollers -> embedded processors -> semiconductors, integrating flash program memory, SRAM, EEPROM, analog-to-digital conversion, and serial connectivity on a single die. The V suffix denotes a 1.8V to 5.5V operating voltage range for low-voltage, low-power designs. Key features include fully static operation delivering up to 8 MIPS throughput at 8MHz, SPI and UART/USART plus USI serial interfaces, an 8-channel 10-bit ADC for analog sensing, and In-System Programmable (ISP) flash allowing firmware updates on the assembled board. The 64-QFN 9x9 mm package provides a compact footprint with excellent thermal performance for space-constrained designs. Architecturally, the device uses the AVR advanced RISC core with 32 general-purpose working registers directly connected to the ALU, enabling single-cycle execution and high code density. Two-cycle hardware multiplier support, nested interrupt vectors, and a full-duplex USART round out the peripheral set. Typical applications include industrial control and automation nodes, battery-powered instrumentation using the wide 1.8V to 5.5V supply range, and sensor interfaces leveraging the 10-bit ADC. Design consideration: verify availability early, as Octopart distributor data lists this exact suffix as obsolete; plan migration to the pin-compatible ATmega325/645 family or the newer ATmega165P variants. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-16.

USD $4.65 在庫あり
ATMEGA168-15AD - 8-bit AVR MCU 16KB Flash 15MHz | Microchip
ATMEGA168-15AD

ATMEGA168-15AD - 8-bit AVR MCU 16KB Flash 15MHz | Microchip

The Microchip ATMEGA168-15AD is a high-performance, low-power 8-bit AVR RISC-based microcontroller with 16 KB of in-system programmable flash memory, 1 KB SRAM, and 512 bytes of EEPROM, housed in a 32-pin TQFP package and rated for operation up to 15 MHz. It delivers up to 15 MIPS throughput at 15 MHz while operating from a 2.7 V to 5.5 V supply, making it a direct fit for automotive and industrial control designs that require wide-voltage operation and robust peripheral integration. An AVR microcontroller is a member of the 8-bit RISC microcontroller family that executes most instructions in a single clock cycle using 32 general-purpose working registers. Within the semiconductor taxonomy, the ATMEGA168-15AD sits in the hierarchy of 8-bit microcontroller -> AVR RISC MCU -> embedded microcontroller -> integrated circuit. The AVR architecture pairs a Harvard memory model with on-chip flash, SRAM, and EEPROM, allowing self-programming and read-while-write operation without external memory. Key features include 16 KB ISP flash with read-while-write, 1 KB SRAM, 512 B EEPROM, 23 general-purpose I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes, an 8-channel 10-bit ADC, a programmable watchdog timer with internal oscillator, and debugWIRE on-chip debug support. The device also integrates a byte-oriented two-wire serial interface, a master/slave SPI serial interface, and a programmable USART for serial communication. The ATMEGA168-15AD is fabricated in high-density nonvolatile CMOS technology and supports both in-system programming and in-application programming through the SPI interface or a boot loader. Its 15 MHz maximum clock rate and 2.7 V to 5.5 V supply range allow it to bridge 3.3 V and 5 V logic domains, while the 32-pin TQFP footprint keeps board area small for space-constrained control boards. Typical applications include automotive body control modules, industrial sensor nodes, motor control front ends, battery-powered instrumentation, and legacy AVR-based designs migrating from ATmega8 or ATmega88 platforms. The 10-bit ADC and multiple timers make it suitable for closed-loop control, while the USART and SPI interfaces support field-bus and peripheral expansion. When designing with this device, decouple every VCC pin with a 100 nF ceramic capacitor placed close to the pin, and keep the AREF pin bypassed to ground for ADC accuracy. The 15 MHz speed grade requires careful clock-source selection and adequate supply headroom. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, replacement, and layout decisions.

USD $3.15 在庫あり
ATMEGA168-15AT - 8-bit AVR MCU 16MHz 16KB Flash | Microchip
ATMEGA168-15AT

ATMEGA168-15AT - 8-bit AVR MCU 16MHz 16KB Flash | Microchip

The Microchip Technology ATMEGA168-15AT (originally Atmel) is an 8-bit AVR RISC microcontroller running at up to 16 MHz with 16 KB of ISP FLASH program memory (8K x 16), 512 B EEPROM, and 1 KB SRAM, housed in a 32-pin TQFP (7x7 mm) package. The device is AEC-Q100 qualified for automotive use and operates from a 2.7 V to 5.5 V supply. An 8-bit AVR microcontroller is a single-chip computer based on the AVR enhanced RISC architecture, which executes most instructions in a single clock cycle. Within the power-management hierarchy, it belongs to the embedded microcontroller (MCU) class of integrated circuits, combining a processor core, program memory, data memory, and peripherals such as timers, USART, SPI, and I2C on one die. The ATmega family is a staple of cost-sensitive embedded control, including the classic Arduino platform. Key features include 23 general-purpose I/O lines, 32 general-purpose working registers, read-while-write FLASH for in-system self-programming, and multiple sleep modes for low-power operation. The 16 MHz speed grade (suffix -15/-16 family class) delivers up to 16 MIPS throughput at 5 V. Architecturally, the AVR core uses a Harvard structure with separate program and data buses and single-cycle ALU operation, providing deterministic real-time behavior favored in motor control and automotive body-electronics nodes. Typical applications include automotive body control modules (leveraging AEC-Q100 qualification), industrial sensor nodes, and consumer embedded systems such as Arduino-compatible boards. Design consideration: program the fuse bits correctly for clock source and BOD level; the -15 suffix speed rating must be observed versus supply voltage. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

USD $1.58 在庫あり
ATMEGA168-15AT1 - 16MHz AVR 16KB Flash MCU 32-TQFP | Microchip
ATMEGA168-15AT1

ATMEGA168-15AT1 - 16MHz AVR 16KB Flash MCU 32-TQFP | Microchip

The Microchip Technology ATMEGA168-15AT1 is an 8-bit AVR RISC microcontroller with 16KB of ISP FLASH program memory, 16MHz maximum clock frequency, and 2.7V to 5.5V supply voltage range, housed in a 32-pin TQFP (7x7 mm) package. This AEC-Q100 qualified automotive-grade MCU delivers throughputs approaching 1 MIPS per MHz. An 8-bit AVR microcontroller is a single-chip computer integrating a RISC processor core, program memory (FLASH), data memory (SRAM and EEPROM), and peripherals on one die. Within the power-management and embedded-systems hierarchy, microcontrollers like the ATmega168 sit at the device-control layer, executing firmware that manages sensors, actuators, and communication in electronic products. Key features include 16KB of self-programmable FLASH with read-while-write capability, 512B of EEPROM, 1KB of internal SRAM, and 23 general-purpose I/O lines. The advanced RISC architecture executes 133 powerful instructions, most in a single clock cycle, with 32 general-purpose working registers directly connected to the ALU. Technical depth: the AVR enhanced RISC core achieves near-1 MIPS/MHz efficiency, letting designers trade clock speed directly for power savings. Peripherals include two 8-bit timers, one 16-bit timer, a 10-bit ADC with 8 channels, USI-capable serial interfaces (SPI and I2C-compatible TWI), a USART, analog comparator, and six PWM channels. In-circuit debugging and In-Circuit Serial Programming (ICSP) are supported via the reset line and two device I/O pins. Typical applications include automotive body-control and sensor nodes (leveraging the -15AT1 temperature grade and AEC-Q100 qualification), industrial control and instrumentation, and consumer embedded systems such as appliances, keyboards, and battery chargers. Design consideration: decouple VCC and AVCC separately with 100nF ceramics placed close to pins 4/6 and 18, and keep the analog ground path clean to preserve ADC accuracy in mixed-signal layouts. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.10 在庫あり
ATMEGA168-15AZ - 8-Bit AVR MCU 16KB Flash 16MHz TQFP-32 | Microchip
ATMEGA168-15AZ

ATMEGA168-15AZ - 8-Bit AVR MCU 16KB Flash 16MHz TQFP-32 | Microchip

The Microchip Technology (Atmel) ATMEGA168-15AZ is an 8-bit AVR ATmega microcontroller with 16KB of In-System Programmable Flash, a maximum clock speed of 16MHz, and a wide supply voltage range of 2.7V to 5.5V, housed in a 32-pin TQFP (7x7 mm) package. This automotive-qualified variant is rated for operation up to 125 degrees C and belongs to the AEC-Q100 qualified AVR ATmega series. An 8-bit microcontroller (MCU) is an integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip, sitting within the broader hierarchy of embedded processors (MCU -> embedded processor -> semiconductor IC). The AVR family uses an enhanced RISC architecture in which most of its 133 powerful instructions execute in a single clock cycle, achieving throughput approaching 1 MIPS per MHz and letting designers optimize power consumption against processing speed. Key features of the ATMEGA168-15AZ include 16KB of self-programmable Flash program memory, AVR enhanced RISC processing, on-chip connectivity peripherals including I2C, SPI, and UART/USART, and system-level features such as brown-out detection, power-on reset, and PWM capability. The '15' speed grade supports operation at up to 16MHz, and the 'Z' temperature suffix supports ambient temperatures up to 125 degrees C, making this part suitable for harsh environments. Technically, the device is a low-power CMOS 8-bit MCU based on the AVR enhanced RISC architecture. Single-cycle instruction execution, combined with in-system self-programmable Flash, allows firmware updates on the assembled PCB via the SPI-based In-Circuit Serial Programming (ICSP) interface, which uses two device I/O pins plus the reset line. The ATmega48/88/168 family shares this architecture and pinout, giving designers a memory-scaling path from 4KB to 16KB on the same footprint. Typical applications include automotive body and comfort modules (leveraging the AEC-Q100 qualification and 125C rating), industrial sensor nodes and motor control, and consumer embedded systems requiring a low-cost, low-power 8-bit controller with standard serial connectivity. A key design consideration: run the 16MHz grade at 5V for full-speed timing margin; at lower supply voltages, consult the maximum-frequency-versus-VCC curve in the manufacturer datasheet before fixing the crystal value. Always enable brown-out detection in automotive designs to guarantee safe reset during supply transients. This page synthesizes verified distributor data, drop-in alternatives within the same ATmega48/88/164/165/168 TQFP-32 family, and practical design notes not found in the manufacturer datasheet. Pricing shown is as of 2026-09-16.

USD $2.18 在庫あり
ATMEGA168-15MD - 8-bit AVR MCU 16KB Flash 32-VQFN | Microchip
ATMEGA168-15MD

ATMEGA168-15MD - 8-bit AVR MCU 16KB Flash 32-VQFN | Microchip

The Microchip Technology ATMEGA168-15MD is a high-performance, low-power 8-bit AVR RISC microcontroller with 16 KB of ISP FLASH memory, 1 KB SRAM, and 512 B EEPROM, delivered in a 32-pad VQFN (5x5 mm) exposed-pad package with a maximum clock frequency of 16 MHz and a supply voltage range of 2.7 V to 5.5 V. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals on one die. The ATmega168 belongs to the AVR family of 8-bit microcontrollers, which sits within the broader hierarchy of embedded processors and power-efficient control ICs. AVR MCUs execute most instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz. Key features include the Advanced RISC architecture with 133 powerful instructions, 32 general-purpose working registers, 23 general-purpose I/O lines, in-system programmable (ISP) FLASH with read-while-write capability, and a two-wire serial interface (I2C-compatible), plus SPI and USART serial ports. Peripheral set includes an 8-channel 10-bit ADC, timers with PWM outputs, and a programmable watchdog timer. Architecturally, the AVR core uses a Harvard structure with separate program and data buses, allowing single-cycle instruction fetch and execution. The 16 KB FLASH supports 10,000 write cycles and is programmable via SPI (ICSP) using tools such as the MPLAB SNAP. Power management features include idle, power-down, and power-save sleep modes with wake-up on external interrupts. Typical applications include consumer appliance control, HVAC and motor-adjacent control boards, sensor interfaces, and industrial automation nodes where a cost-sensitive 8-bit controller with rich analog peripherals is required. The 32-VQFN 5x5 mm footprint suits compact two-layer designs. A key design consideration is voltage-versus-frequency derating: at lower supply voltages, the maximum safe clock frequency drops, so verify the speed grade against your VCC rail. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.29 在庫あり
ATMEGA168-15MT - AVR 8-Bit MCU 16MHz 16KB QFN-32 | Microchip
ATMEGA168-15MT

ATMEGA168-15MT - AVR 8-Bit MCU 16MHz 16KB QFN-32 | Microchip

The Microchip Technology ATMEGA168-15MT is an 8-bit AVR ATmega microcontroller IC executing up to 16 MIPS at 16 MHz, with 16 KB (8K x 16) of In-System Programmable FLASH, 1 KB SRAM and 512 B EEPROM, housed in a 32-pin VQFN (5x5 mm) exposed-pad package. It is an automotive AEC-Q100 qualified 5 V device in the ATmega48/88/168 family. An 8-bit microcontroller is a single-chip computer that integrates a processor core, program memory, data memory and peripherals such as timers, UART, SPI and I2C on one die. The AVR family uses an enhanced RISC architecture that executes most instructions in a single clock cycle, achieving throughput near 1 MIPS per MHz, which lets designers optimize power consumption versus processing speed. Microcontrollers sit at the top of the embedded hierarchy above logic ICs and below application processors. Key features include the 16 KB self-programmable FLASH supporting ISP and IAP, 23 programmable I/O lines, two 8-bit timers, one 16-bit timer, a 10-bit ADC with up to 8 channels (ADC6/ADC7 available in QFN), USI-free full duplex USART, SPI and TWI (I2C) serial interfaces, and six sleep modes down to power-save levels for battery designs. The 5x5 mm QFN with exposed pad provides low inductance and good thermal performance for compact boards. Technically, the ATmega168 core combines 32 general-purpose registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction. On-chip debug is supported via debugWIRE with single-wire interface using the reset line, programmed through ICSP with tools such as MPLAB SNAP. Typical applications include automotive body and comfort modules (leveraging the AEC-Q100 qualification), industrial sensor nodes, consumer appliance control, and hobby/Arduino-compatible designs where the ATmega328 pinout heritage applies. Design consideration: at 16 MHz the 5 V supply range applies (4.5 V to 5.5 V class, -15 speed grade); if operating at 3.3 V, verify maximum safe clock frequency in the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet, with pricing as of 2026-09-16.

USD $1.02 在庫あり
ATMEGA168-15MT1 - 8-bit AVR MCU 16KB Flash 16MHz QFN-32 | Microchip
ATMEGA168-15MT1

ATMEGA168-15MT1 - 8-bit AVR MCU 16KB Flash 16MHz QFN-32 | Microchip

The Microchip Technology ATMEGA168-15MT1 is an 8-bit AVR ATmega microcontroller with 16KB (8K x 16) In-System Programmable Flash, operating at up to 16MHz from a 2.7V to 5.5V supply, housed in a 32-pin QFN (5x5 mm) package with exposed pad. According to DigiKey's product listing, the device is part of the AVR ATmega family and ships as a tape-and-reel (T1) industrial-grade variant. An 8-bit microcontroller (MCU) is an integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip. Within the power management and embedded control hierarchy, the ATmega168 sits in the mid-range AVR family between the ATmega48/88 (same pinout, less Flash) and the ATmega328 (same pinout, more Flash), executing powerful instructions in a single clock cycle to achieve throughputs approaching 1 MIPS per MHz. Key features include an advanced RISC architecture with 133 mostly single-cycle instructions, 16KB of self-programmable Flash with a 4KB-per-block boot section, 8 general-purpose I/O characteristics enabling byte access, and in-system programming via SPI for field updates. The 32-QFN exposed-pad package offers a low-profile (approximately 0.9-1.0 mm), thermally efficient surface-mount footprint suitable for space-constrained designs. Architecturally, the ATmega48/88/168 family is a low-power CMOS design based on the AVR enhanced RISC core, with Harvard-architecture separate program and data buses. The single-cycle ALU permits optimized power consumption versus processing speed, and the boot-loader capability enables firmware upgrades through any interface without an external programmer. Typical applications include consumer appliance control, industrial sensor nodes, LED lighting controllers, and hobby/Arduino-compatible embedded platforms; the MiniCore Arduino hardware package explicitly supports the ATmega168 family. A key design consideration: verify the exact speed grade and package pinout against the official Microchip ATmega168 datasheet before PCB layout, since distributor listings occasionally cite differing clock speeds (16MHz per DigiKey) for the -15 grade. This page synthesizes distributor pricing, stock data, same-footprint family alternatives, and drop-in replacement guidance not consolidated on the manufacturer's own product page.

USD $3.95 在庫あり
ATMEGA168-15MZ - 8-Bit AVR MCU 16MHz 16KB Flash 32-QFN | Microchip
ATMEGA168-15MZ

ATMEGA168-15MZ - 8-Bit AVR MCU 16MHz 16KB Flash 32-QFN | Microchip

The Microchip ATMEGA168-15MZ is an 8-bit AVR ATmega microcontroller IC delivering up to 16 MHz clock speed with 16KB (8K x 16) of In-System Programmable Flash memory, housed in a 32-pin QFN (5x5 mm) package with exposed pad. The 15M speed/temperature grade suffix indicates operation across the full -40C to +125C automotive temperature range, per distributor listings from DigiKey and Mouser. An AVR 8-bit microcontroller is a reduced-instruction-set (RISC) processor that executes most of its 133 powerful instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz. Within the power management and embedded-control hierarchy, it sits as the complete system-on-chip level: microcontroller -> embedded processor -> electronic control unit, integrating CPU, program Flash, SRAM, EEPROM, timers, and peripherals on one die. Key differentiating features include the AVR advanced RISC architecture with single-cycle execution, 16KB of self-programmable Flash for field firmware updates, operation from a 2.7V to 5.5V supply (per digchip specification data), and the thermally enhanced 32-VFQFN exposed-pad package that supports soldered mechanical attachment in harsh environments. The 125C maximum operating temperature qualifies this grade for under-hood and industrial high-temperature placement where commercial 85C parts cannot survive. Architecturally, the ATmega168 family pairs the AVR core with Harvard-organization memories: separate Flash program space, SRAM data space, and EEPROM for non-volatile parameters, allowing concurrent access and deterministic single-cycle instruction fetch. Peripherals such as the 8-bit and 16-bit timers, 10-bit ADC, USART, SPI, and two-wire interface (I2C) share the same register-driven control model used across the ATmega48/88/168 family, simplifying code porting between family members. Typical applications include automotive body and comfort control modules, industrial sensor nodes operating at elevated ambient temperature, motor control and lighting systems, and general-purpose embedded controllers requiring in-field reprogramming. When designing with this device, respect the 2.7V to 5.5V supply range and decouple VCC/AVCC pins with 100 nF ceramic capacitors placed directly at the exposed-pad QFN; the exposed pad must be soldered to a grounded land pattern for both thermal and electrical integrity. This page synthesizes distributor pricing, verified drop-in alternatives within the same 32-QFN footprint, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.31 在庫あり
ATMEGA168-20AI - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20AI

ATMEGA168-20AI - 8-bit AVR MCU 20MHz 16KB Flash | Microchip

The Microchip Technology ATMEGA168-20AI is a high-performance, low-power 8-bit AVR RISC microcontroller with 16KB (8K x 16) ISP Flash memory, 512B EEPROM, 1KB SRAM, and up to 20 MIPS throughput at 20 MHz, housed in a 32-pin TQFP (7x7 mm) package. The industrial-grade -AI suffix specifies an operating temperature range of -40C to +85C and a 2.7V to 5.5V supply range for the full 20 MHz speed grade. An 8-bit AVR microcontroller is a single-chip processor based on the AVR advanced RISC architecture, in which most of the 131 instructions execute in a single clock cycle. Within the power-management hierarchy, the ATmega168 family sits in the entry-to-mid MCU range between the ATmega48/88 and the pin-compatible ATmega328, offering an optimal balance of Flash density, peripherals, and cost. Key features include 23 programmable I/O lines, two 8-bit and one 16-bit timer/counter with compare and PWM modes, an 8-channel 10-bit ADC, a serial programmable USART, a byte-oriented two-wire interface (I2C-compatible), an SPI serial interface, and debugWIRE on-chip debugging. Self-programming Flash with read-while-write support enables in-system programming (ISP) and boot-loader operation. Architecturally, the device pairs a fast RISC CPU with 32 general-purpose working registers, all directly connected to the arithmetic logic unit, allowing two independent registers to be accessed in one instruction executed in one clock cycle. This Harvard-architecture design achieves up to 1 MIPS per MHz, permitting aggressive clock scaling for low-power battery designs. Typical applications include industrial control and automation nodes, sensor acquisition systems using the 8-channel 10-bit ADC, consumer appliances, motor control with PWM outputs, and hobby/prototyping platforms compatible with the Arduino ecosystem. A key design consideration: use the -AI speed-grade supply limits (2.7V to 5.5V at 20 MHz) and place 100 nF decoupling capacitors on each VCC/AVCC pin pair close to the TQFP-32 package pins. This page synthesizes distributor inventory data, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.

USD $1.85 在庫あり
ATMEGA168-20AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168-20AU

ATMEGA168-20AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168-20AU is an 8-bit AVR RISC microcontroller with 16 KB in-system programmable flash, 1 KB SRAM, and 512 B EEPROM, running at up to 20 MHz (20 MIPS) from a 2.7 V to 5.5 V supply in a 32-pin TQFP (7x7 mm) package. It provides 23 general-purpose I/O lines, 32 general-purpose working registers, and an 8-channel 10-bit ADC. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle, sitting in the hierarchy MCU -> 8-bit microcontroller -> embedded processor -> semiconductor. The ATmega168 family is the classic general-purpose AVR line, offering a balance of flash memory, peripheral integration, and low power that made it a de-facto standard for embedded control, hobbyist platforms, and industrial sensor nodes. Key differentiators include 16 KB flash with read-while-write self-programming, 20 MIPS throughput at 20 MHz, debugWIRE on-chip debug, and a rich peripheral set: two 8-bit and one 16-bit timer/counter with PWM, USART, SPI, and TWI (I2C) serial interfaces, and a programmable watchdog. The 10-bit ADC with 8 multiplexed channels supports precision analog sensing without external converters. The device uses Atmel/Microchip's low-power CMOS process with multiple sleep modes (idle, ADC noise reduction, power-save, power-down, standby, and extended standby), drawing under 1 uA in power-down, which suits battery-powered and energy-harvesting designs. In-system programming via SPI and a bootloader section enable field firmware updates. Typical applications include industrial control and automation nodes, consumer appliance control boards, battery-powered IoT sensor endpoints, motor and lighting control, and educational/development platforms. The 32-TQFP package with 7x7 mm body and 0.8 mm pitch is reflow-compatible and supports compact two-layer PCB layouts. When designing, decouple AVCC and VCC with 100 nF ceramics close to the pins, use a 10 uF bulk capacitor on the supply rail, and keep the AREF pin bypassed to ground for ADC accuracy. The internal calibrated 8 MHz RC oscillator allows operation without an external crystal, while an external 16 MHz crystal is recommended for USB-class timing accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, replacement, and layout decisions.

USD $1.82 在庫あり