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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 En stock
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 En stock
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 En stock
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 En stock
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 En stock
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 En stock
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 En stock
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 En stock
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 En stock
ATMEGA168-20AUR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20AUR

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

The Microchip Technology ATMEGA168-20AUR is a high-performance, low-power 8-bit AVR RISC microcontroller delivering 20 MIPS throughput at 20 MHz, with 16 KB (8K x 16) ISP flash memory, 1 KB SRAM, and 512 B EEPROM, housed in a 32-pin TQFP (7x7 mm) package. An 8-bit AVR microcontroller is a single-chip computer that integrates a RISC processor core, program flash memory, data SRAM, non-volatile EEPROM, peripherals, and general-purpose I/O in one package. Within the power-management and embedded hierarchy, the ATmega family sits among general-purpose MCUs that replace multi-chip processor plus memory designs, reducing board area, BOM cost, and power consumption for embedded control systems. Key differentiating features include the advanced RISC architecture with 133 powerful instructions, most executing in a single clock cycle; 23 programmable I/O lines; three flexible timer/counters with compare modes; an 8-channel 10-bit ADC; and debugWIRE on-chip debugging. The device operates from a single 2.7V to 5.5V supply and supports read-while-write self-programming for field firmware updates via ISP. Technically, the AVR core uses a Harvard architecture with separate program and data buses and 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction. This eliminates the accumulator bottleneck of classic 8051-style cores and underpins the 1 MIPS/MHz efficiency rating. In-system programmable flash with boot-section support enables self-hosted firmware upgrades over UART, CAN, or any serial interface. Typical applications include Arduino-compatible boards and hobby/embedded prototyping, industrial sensor nodes and motor control, and consumer appliance control panels. The 20 MHz clock and rich peripheral set fit both cost-sensitive and performance-sensitive designs. Design consideration: at 5V the device is rated to 20 MHz, but below 2.7V operation the safe maximum frequency derates - consult the frequency-versus-voltage curve in the manufacturer datasheet before overclocking low-voltage designs. This page synthesizes verified distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.

USD $2,76 En stock
ATMEGA168-20MI - 8-bit AVR MCU 20MHz 16KB Flash QFN-32 | Microchip
ATMEGA168-20MI

ATMEGA168-20MI - 8-bit AVR MCU 20MHz 16KB Flash QFN-32 | Microchip

The Microchip Technology ATMEGA168-20MI is an 8-bit AVR RISC microcontroller delivering up to 20 MIPS throughput at 20 MHz, with 16 KB of In-System Programmable Flash, 1 KB SRAM, 512 B EEPROM, and an 8-channel 10-bit ADC, housed in a 32-pad VQFN (MLF, HVQCCN) no-lead package rated for industrial temperatures. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters. MCUs sit at the device level of the embedded-systems hierarchy, below system-on-chip and application processors, and above discrete logic. The AVR family from Atmel (now Microchip Technology) popularized the single-cycle RISC execution model for general-purpose embedded control. Key features of the ATMEGA168-20MI include the Advanced RISC architecture with 131 powerful instructions, most executing in a single clock cycle; 32 general-purpose 8-bit working registers; three flexible timer/counters with compare modes and PWM; and connectivity via I2C (TWI), SPI, and UART/USART. It operates from 1.8 V to 5.5 V with full 20 MHz operation at 4.5 V to 5.5 V, supporting both battery-powered and 5 V industrial designs. Technically, the device supports self-programming Flash with read-while-write capability, enabling boot-loader-based field updates. DebugWIRE provides on-chip debug over a single wire using the reset line, while In-Circuit Serial Programming (ICSP) permits programming through the SPI port. The picoPower-style sleep modes and a rich clock system (internal 8 MHz RC oscillator, external crystal, watchdog) minimize power in standby-heavy applications. Typical applications include industrial control panels, sensor nodes and data loggers, consumer appliance control, motor-adjacent logic, and hobbyist/embedded prototypes such as Arduino-compatible boards. Design consideration: for reliable operation at 20 MHz, use a crystal below 16 MHz if the supply can dip toward 4.5 V, and route the MLF exposed pad to a solid ground pour for thermal and EMC performance. This page synthesizes verified distributor pricing, drop-in same-package alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

USD $2,92 En stock
ATMEGA168-20MQ - 20MHz AVR 16KB Flash MCU | Microchip
ATMEGA168-20MQ

ATMEGA168-20MQ - 20MHz AVR 16KB Flash MCU | Microchip

The Microchip Technology ATMEGA168-20MQ is a high-performance, low-power 8-bit AVR RISC microcontroller executing up to 20 MIPS at 20 MHz, with 16 KB (8K x 16) self-programming ISP flash, 512 B EEPROM, and 1 KB SRAM, housed in a 32-pad VQFN (MLF, 5x5 mm) package with exposed pad. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that combines program flash, data SRAM, and peripherals such as timers, UART, SPI, I2C (TWI), and ADC on a single chip. Within the power-management hierarchy of embedded systems, the ATmega168-class MCU occupies the entry-to-mid general-purpose controller tier, sitting above tinyAVR devices and below the 32-bit Cortex-M families. It is the classic engine of the Arduino ecosystem. Key features include 131 mostly single-cycle instructions, 23 general-purpose I/O lines, 32 general-purpose working registers, an 8-channel 10-bit ADC, debugWIRE on-chip debug, and 1.8 V to 5.5 V family operation (20 MHz speed grade requires 4.5 V to 5.5 V). The Q variant suffix denotes extended temperature and green/RoHS packaging. Technically, the advanced RISC core pipelines instruction fetch and execution so most instructions complete in one clock cycle, while read-while-write flash self-programming enables in-system firmware updates. Two 8-bit timers, one 16-bit timer, and a watchdog give flexible timing control, and the USART/SPI/TWI peripherals cover most serial connectivity needs. Typical applications include industrial sensors and controls, consumer appliances, and Arduino-compatible embedded designs where the compact 5x5 mm MLF footprint conserves PCB area. Design consideration: at 20 MHz the device must operate from 4.5 V to 5.5 V; decouple VCC/AVCC pins with 0.1 uF ceramics placed directly at the pads. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2,47 En stock
ATMEGA168-20MQR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MQR

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

The Microchip Technology ATMEGA168-20MQR is an 8-bit AVR RISC microcontroller executing up to 20 MIPS at 20 MHz, with 16 KB ISP flash memory, 512 B EEPROM, 1 KB SRAM, and 23 general-purpose I/O lines, housed in a 32-pin VQFN (5x5 mm) package with exposed pad, qualified for the extended -40C to +85C temperature range. An 8-bit microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die. Within the power-management hierarchy of embedded systems, the MCU sits at the application layer above analog front ends and power regulation, orchestrating sensors, actuators, and communication. The ATmega168 belongs to the AVR family created by Atmel (now Microchip Technology), renowned for its fast, single-cycle RISC architecture with 32 general-purpose working registers directly connected to the ALU. Key features include the 16 KB self-programmable flash with read-while-write support, a 10-bit ADC with 8 multiplexed channels (6 external channels plus ADC6/ADC7 available on the 32-pin QFN), and full serial connectivity via one USART, one SPI master/slave interface, and one two-wire (I2C-compatible) TWI interface. The AVR enhanced RISC core executes most instructions in a single clock cycle, and two flexible 8-bit timer/counters plus one 16-bit timer/counter with compare modes and PWM outputs enable precise motor control, lighting, and timing applications. On-chip debug is performed through in-circuit debugging (ICD) and In-Circuit Serial Programming (ICSP) using only two I/O pins and reset. Brown-out detection, an internal calibrated RC oscillator, and power-saving idle, ADC noise reduction, and power-down modes round out the peripheral set. Typical applications include industrial sensor nodes and automation control, consumer appliances and HVAC control boards, and embedded hobby/prototyping designs compatible with Arduino-class toolchains, where the 20 MHz speed and 16 KB flash cover mid-complexity firmware. A key design consideration is supply voltage versus clock speed: full 20 MHz operation requires a 4.5V to 5.5V supply, while lower-voltage 2.7V to 5.5V systems must derate maximum clock speed per the frequency-versus-voltage curve in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives across the ATmega48/88/168/328 family, pinout data, and practical design notes not found in the manufacturer datasheet.

USD $2,38 En stock
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU

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

The Microchip Technology ATMEGA168-20MU is an 8-bit AVR RISC microcontroller with 16KB ISP Flash, 1KB SRAM, 512B EEPROM, and 23 general-purpose I/O lines, executing at up to 20MHz from a 2.7V to 5.5V supply in a 32-pad VQFN (5x5 mm) surface-mount package. An 8-bit microcontroller is an integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, UART, SPI, and ADC on a single chip. Within the power-management and system-hierarchy of embedded electronics, the MCU sits at the heart of an embedded system, controlling sensors, actuators, and communication interfaces. The AVR architecture, developed by Atmel and now part of Microchip Technology, uses a Harvard architecture with mostly single-cycle instruction execution, making it popular in both hobbyist and industrial designs. Key features of the ATMEGA168-20MU include advanced RISC architecture with 131 powerful instructions, 16KB of in-system self-programmable Flash with read-while-write capability, an 8-channel 10-bit ADC with internal bandgap reference, and debugWIRE on-chip debugging through the RESET pin. It also includes two 8-bit timers, one 16-bit timer, a usART serial interface, SPI, and I2C-compatible TWI, along with six PWM channels for motor and LED control. Technically, the device runs from 2.7V to 5.5V with a speed grade of 20MHz at 4.5V to 5.5V, giving designers the option to trade clock speed for lower power consumption through clock prescaling and sleep modes such as Idle, ADC Noise Reduction, Power-save, and Power-down. Typical applications include industrial control, consumer appliances, sensor nodes, motor control, and hobby/Arduino-class boards where the ATmega168's compatibility with Arduino bootloader toolchains is valuable. Design consideration: keep the supply decoupled with 100nF capacitors on VCC and AVCC, and be aware that ISP programming shares pins PB5-PB7, so series resistors should isolate programming circuitry from peripheral loads. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

Devis En stock
ATMEGA168-20MUR - AVR 8-Bit MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MUR

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

The Microchip Technology ATMEGA168-20MUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 16KB (8K x 16) ISP Flash memory, 20MHz maximum clock, and a 32-pin VQFN (5x5 mm) package, operating from 2.7V to 5.5V over the industrial temperature range. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, ADCs, and serial interfaces. Within the power management hierarchy of embedded systems, the 8-bit MCU family (ATmega -> AVR -> 8-bit RISC microcontroller -> semiconductor IC) occupies the entry-to-mid tier of embedded control, ideal for cost- and power-sensitive applications that do not require 32-bit processing power. Key features include 131 powerful instructions with most executed in a single clock cycle, delivering up to 20 MIPS throughput at 20MHz. The device combines 16KB self-programmable Flash with read-while-write support, 512B EEPROM, 1KB SRAM, 23 general-purpose I/O lines, and 32 general-purpose working registers. An 8-channel 10-bit ADC, three flexible timer/counters, USART, SPI, and I2C (TWI) serial interfaces round out the peripheral set, while debugWIRE enables on-chip debugging over a single pin. The advanced RISC Harvard architecture separates instruction and data buses for parallel fetch and execution. In-System Programmable (ISP) Flash permits firmware updates on the assembled PCB, and the ICSP interface uses only two I/O pins plus reset. Typical applications include industrial control and automation nodes, consumer appliances, and battery-powered portable instruments, where the 2.7V to 5.5V supply range and low-power modes extend battery life. Design consideration: at 20MHz operation the supply voltage must be 3.8V or higher per the speed-versus-voltage curve, so 5V rails are recommended for maximum clock rates. This page synthesizes distributor pricing, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.

USD $2,12 En stock
ATMEGA168-20PU - 8-bit AVR MCU 16KB Flash 20MHz PDIP-28 | Microchip
ATMEGA168-20PU

ATMEGA168-20PU - 8-bit AVR MCU 16KB Flash 20MHz PDIP-28 | Microchip

The Microchip Technology ATMEGA168-20PU is an 8-bit AVR RISC microcontroller with 16KB ISP Flash memory, 20 MHz maximum clock speed, and 23 general-purpose I/O lines, housed in a 28-pin PDIP (DIP-28) through-hole package. It operates from a 2.7V to 5.5V supply and integrates 512B EEPROM, 1KB SRAM, and a 10-bit ADC. 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 hierarchy, the ATMEGA168 belongs to the AVR ATmega family of microcontroller ICs, which sit above bare logic ICs and below 32-bit application processors, making them ideal for compact embedded control tasks. Key features include the advanced AVR RISC architecture executing 133 powerful instructions - most in a single clock cycle - 32 general-purpose 8-bit working registers, 16KB of In-System Self-Programmable Flash with read-while-write capability, and debugWIRE on-chip debugging. The 20 MHz grade (the '-20' suffix) delivers up to 20 MIPS throughput at 5V, roughly 1 MIPS per MHz. The Harvard-architecture core accesses program and data memory through separate buses, allowing single-cycle instruction fetch. Peripheral set includes two 8-bit timers, one 16-bit timer, a 6-channel 10-bit ADC on the PDIP variant, USART, two-wire interface (I2C-compatible), SPI, analog comparator, and multiple sleep modes for low-power design. In-System Programming (ISP) via the SPI or debugWIRE interface allows firmware updates without removing the chip from the board. Typical applications include Arduino-compatible hobby and prototyping boards, industrial sensor nodes, home automation controllers, battery-powered instruments, and legacy through-hole designs where hand-solderability matters. The PDIP-28 package fits standard 0.1-inch sockets for rapid prototyping. Design tip: full 20 MHz operation is specified at 4.5V to 5.5V; at lower supply voltages the maximum safe clock frequency scales down per the datasheet frequency-versus-voltage curve. This page synthesizes verified distributor pricing, drop-in alternatives, PDIP-28 pinout data, and practical design notes not consolidated in the manufacturer datasheet.

USD $3,78 En stock
ATMEGA168A-AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-AU

ATMEGA168A-AU - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168A-AU is an 8-bit AVR RISC microcontroller with 16 KB of in-system programmable flash memory, 512 B EEPROM, 1 KB SRAM, and 23 general-purpose I/O lines, housed in a 32-pin TQFP (7x7 mm) package and rated for 20 MHz operation at 2.7 V to 5.5 V. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle, sitting in the hierarchy of microcontroller -> embedded processor -> integrated circuit -> semiconductor. The ATmega168A family is the second-generation "A" revision of the classic ATmega168, adding improved brown-out detection, a calibrated internal RC oscillator, and enhanced EEPROM endurance while retaining full pin and code compatibility with the original ATmega168 and the picoPower ATmega168P/PA devices. Key features include 16 KB ISP flash with read-while-write capability, 512 B EEPROM rated for 100,000 write/erase cycles, 1 KB internal SRAM, 23 programmable I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes, a serial programmable USART, a byte-oriented Two-Wire serial interface, and an SPI serial port. The device also integrates a 10-bit ADC, a programmable watchdog timer with internal oscillator, and six sleep modes for low-power operation. The ATmega168A uses Microchip's high-performance, low-power AVR 8-bit RISC architecture with 131 powerful instructions, most executing in a single clock cycle, achieving throughput approaching 1 MIPS per MHz. This allows the system designer to optimize power consumption versus processing speed. The 32-TQFP package measures 7x7 mm with a 0.8 mm pitch, making it suitable for compact surface-mount assemblies. Typical applications include Arduino-compatible development boards, industrial sensor nodes, battery-powered IoT endpoints, motor control, home automation, and portable instrumentation. The wide 2.7 V to 5.5 V supply range supports both 3.3 V and 5 V logic systems, and the integrated peripherals reduce external component count. When designing with this device, decouple VCC and AVCC with 100 nF ceramic capacitors placed close to the pins, and connect the AREF pin through a low-pass filter when using the ADC. The RESET pin requires an external pull-up or the internal pull-up must be enabled. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a single reference for selection, replacement, and layout decisions.

USD $1,42 En stock
ATMEGA168A-AUR - 8-bit AVR MCU 16KB 20MHz | Microchip
ATMEGA168A-AUR

ATMEGA168A-AUR - 8-bit AVR MCU 16KB 20MHz | Microchip

The Microchip Technology ATMEGA168A-AUR is an 8-bit AVR RISC microcontroller with 16 KB ISP FLASH memory, 20 MHz maximum clock frequency, and 2.7V to 5.5V supply voltage, housed in a 32-pin TQFP (7x7 mm) surface-mount package. An 8-bit microcontroller is an integrated circuit whose CPU processes data in 8-bit words, combining a processor core, program memory (FLASH), data memory (SRAM and EEPROM), and peripherals such as timers and serial interfaces on a single chip. MCUs sit at the heart of the embedded-systems hierarchy - below application processors but above simple logic ICs - serving as the primary control element in industrial, consumer, and automotive electronics. The ATMEGA168A executes 133 powerful instructions, most in a single clock cycle, achieving up to 20 MIPS throughput at 20 MHz. It provides 512 B of EEPROM with read-while-write FLASH capability, 1 KB of internal SRAM, and 23 general purpose I/O lines. Peripheral resources include a serial programmable USART, a byte-oriented two-wire serial interface (I2C/TWI), an SPI serial port, three flexible timer/counters with compare modes, and a 10-bit ADC. The AVR advanced RISC architecture uses 32 general purpose working registers directly connected to the ALU, allowing a single-cycle execution model that outperforms conventional CISC microcontrollers at equivalent clock rates. In-system programmability (ISP) allows firmware updates on the assembled PCB via SPI, reducing production cost and field-upgrade effort. Internal brown-out detection, power-on reset, and an enhanced power-save mode support robust, low-power designs. Typical applications include industrial control systems, HVAC and building automation, sensor nodes and battery-operated instruments, consumer appliances, and Arduino-compatible embedded boards where the pin-compatible ATmega family simplifies design migration. When designing with this device, keep the supply within 2.7V to 5.5V and respect the 20 MHz ceiling; below 8 MHz the part can operate across its full voltage range, so choose the clock accordingly. This page synthesizes verified distributor pricing, drop-in alternatives across the ATmega family, complete TQFP-32 pinout data, and practical design notes not consolidated in the manufacturer datasheet.

USD $1,45 En stock
ATMEGA168A-CCU - 8-Bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168A-CCU

ATMEGA168A-CCU - 8-Bit AVR MCU, 16KB Flash, 20MHz | Microchip

The Microchip Technology ATMEGA168A-CCU is an 8-bit AVR RISC microcontroller with 16KB (8K x 16) In-System Programmable Flash, 512B EEPROM, 1KB SRAM, and a maximum clock speed of 20MHz, housed in a 32-ball UFBGA (4x4 mm) package. An 8-bit AVR microcontroller is a member of the broader voltage-regulator-free embedded processing hierarchy: microcontroller -> embedded processor -> semiconductor. AVR devices use an Advanced RISC architecture in which most of the 133 powerful instructions execute in a single clock cycle, allowing one MIPS per MHz of clock frequency. This makes the ATmega family a staple for cost-sensitive embedded control in the same category as PIC, STM8, and other 8-bit MCU families. Key features of the ATMEGA168A-CCU include Read-While-Write capable Flash for self-programming, 23 general purpose I/O lines, 32 general purpose working registers, and a Real Time Counter (RTC). The device integrates three flexible Timer/Counters with compare modes and PWM channels, one programmable USART for serial communication, and one byte-oriented 2-wire serial interface (I2C/TWI) plus SPI for connectivity. The supply voltage range of 2.7V to 5.5V supports both 3.3V and 5V logic systems, giving designers flexibility in mixed-voltage designs. In-System Programming (ISP) via the SPI interface and In-Circuit Serial Programming (ICSP), supported by tools such as the MPLAB SNAP debugger with an 8-pin SIL connector, allows firmware updates without removing the device from the PCB. Typical applications include industrial sensors and actuator control, consumer appliance control boards, battery-powered portable instrumentation, and hobby/embedded prototyping platforms. The compact 4x4 mm UFBGA ball grid array makes the part attractive for space-constrained portable designs where QFP footprint is too large. Design consideration: UFBGA packages require precise PCB pad geometry and reflow soldering processes; the BGA balls cannot be hand-soldered or visually inspected like QFP leads, so verify land patterns against the manufacturer datasheet before layout. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1,84 En stock
ATMEGA168A-CCUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-CCUR

ATMEGA168A-CCUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168A-CCUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 16 KB (8K x 16) in-system-programmable FLASH, 512 B EEPROM, 1 KB SRAM, and a maximum clock frequency of 20 MHz, housed in a 32-ball UFBGA (4 x 4 mm) package. It operates from a 2.7 V to 5.5 V supply and provides 23 general-purpose I/O lines. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the lowest level of the embedded-system hierarchy (MCU -> embedded processor -> microprocessor -> semiconductor device). The AVR family popularized single-cycle RISC execution, in which most of the 131 instructions complete in one clock cycle through 32 x 8 general-purpose working registers, delivering up to 20 MIPS at 20 MHz in fully static operation. Key features of the ATMEGA168A-CCUR include read-while-write FLASH for safe in-application self-programming, in-circuit serial programming (ICSP) via two I/O pins plus reset, and three flexible timers. The AVR core's Harvard architecture separates program and data buses, sustaining deterministic single-cycle execution that suits real-time control loops. Architecturally, the device belongs to the ATmega48/88/168 family, sharing a common pinout and register map across memory tiers. This lets designers scale FLASH from 4 KB to 16 KB without PCB redesign, and the ATmega168A is a low-power 'A' revision of the classic ATmega168. Typical applications include battery-powered sensor nodes, consumer appliance control, LED lighting controllers, and small motor-control boards, where 16 KB of code space and 20 MHz throughput cover the majority of mid-range embedded tasks. The compact 4 x 4 mm UFBGA footprint suits space-constrained two- and four-layer boards. A key design consideration is ball-grid rework: UFBGA packages require reflow soldering and X-ray or microsection inspection, so prototype iterations are slower than with QFP/QFN alternatives. Verify your assembly partner supports 0.5 mm-class BGA placement before committing to the CCU footprint. This page synthesizes distributor availability data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing and lifecycle verified as of 2026-09-16.

USD $1,92 En stock
ATMEGA168A-MMHR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-MMHR

ATMEGA168A-MMHR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168A-MMHR is an 8-bit AVR RISC microcontroller with 16 KB in-system programmable flash, 512 B EEPROM, 1 KB SRAM, and a 20 MHz maximum clock, housed in a 28-pin VQFN (4x4 mm) package. It delivers up to 20 MIPS throughput at 20 MHz and operates from 1.8 V to 5.5 V, making it a direct drop-in for space-constrained embedded designs. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle. Within the product hierarchy, the ATmega168A sits under AVR 8-bit MCUs, then microcontrollers (MCU), then embedded processors and integrated circuits. The ATmega168A family is the mid-density member of the classic ATmega48/88/168/328 pin-compatible line, sharing the same 28-pin footprint and peripheral set so firmware can scale between memory densities without PCB changes. Key features include 16 KB flash with read-while-write, 512 B EEPROM for non-volatile parameter storage, 1 KB SRAM, 23 general-purpose I/O lines, 32 general-purpose working registers, and three flexible timers (two 8-bit, one 16-bit) with PWM. Peripherals include a 10-bit ADC, USART, SPI, and TWI (I2C) interfaces, plus an internal 8 MHz calibrated RC oscillator that removes the need for an external clock in many designs. The device uses Microchip's low-power AVR core with picoPower technology, supporting multiple sleep modes for battery operation. The 28-VQFN (4x4 mm) package with exposed pad provides a compact footprint for portable and wearable electronics while retaining the full 23 I/O lines of the larger TQFP-32 variant. Typical applications include Arduino-compatible development boards, battery-powered sensor nodes, motor control, and industrial automation front-ends. The 1.8 V to 5.5 V range allows direct operation from single-cell Li-Ion or 3.3 V/5 V rails. When designing, decouple VCC and AVCC with 100 nF ceramic capacitors placed close to the pins, and connect the exposed pad to ground for thermal and noise performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1,58 En stock
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU

ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip

The Microchip Technology ATMEGA168A-MU is an 8-bit AVR RISC microcontroller with 16 KB ISP flash memory, 512 B EEPROM, 1 KB SRAM, and 20 MHz maximum clock frequency, housed in a 32-pin VQFN (5x5 mm) package. An 8-bit microcontroller (MCU) is a single integrated circuit containing a processor core, memory, and programmable input/output peripherals. Within the power-management and embedded-control hierarchy, the ATmega168A belongs to the AVR family of reduced-instruction-set (RISC) controllers, positioned as the mid-memory variant of the ATmega48/88/168/328 product ladder. Such MCUs execute control, sensing, and communication tasks in embedded systems ranging from consumer appliances to industrial nodes. Key features include 133 powerful instructions with most executed in a single clock cycle, delivering up to 20 MIPS throughput at 20 MHz. The device offers 23 general-purpose I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes, and both internal and external interrupt sources. Serial connectivity is comprehensive: a byte-oriented 2-wire interface (I2C/TWI), a programmable USART, and an SPI serial port. On-chip analog resources include a 6-channel 10-bit ADC in the QFN package variant. The AVR enhanced RISC architecture combines a rich instruction set with 32 general-purpose working registers directly connected to the arithmetic logic unit, allowing every register access to complete in one cycle. In-system programmable flash with read-while-write support permits firmware updates on the assembled board through SPI, and the picoPower-compatible low-power modes (idle, power-down, power-save) reduce consumption for battery designs. Typical applications include sensor acquisition nodes using the 10-bit ADC, motor and LED control via the timer PWM channels, and serial communication bridges using USART, SPI, or TWI. It is also a common choice for Arduino-compatible board designs and hobby-to-industrial migration paths. When designing with the ATMEGA168A-MU, ensure decoupling capacitors sit close to the multiple VCC/AVCC pins of the exposed-pad VQFN-32, and connect the exposed pad to ground for thermal and noise performance. This page synthesizes distributor availability data, drop-in alternatives, pinout detail, and practical design notes not consolidated in the manufacturer datasheet.

USD $1,38 En stock
ATMEGA168A-MUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-MUR

ATMEGA168A-MUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168A-MUR is an 8-bit AVR RISC microcontroller with 16 KB in-system programmable flash, 512 B EEPROM, 1 KB SRAM, and a 20 MHz maximum clock, housed in a 32-pin VQFN (5x5 mm) package. It is the tape-and-reel variant of the ATmega168A family and is supplied in a 32-VQFN exposed-pad package for high-volume surface-mount assembly. An 8-bit AVR microcontroller is a single-chip computer that combines a RISC CPU core, non-volatile program memory, data memory, and integrated peripherals such as timers, serial interfaces, and analog-to-digital converters. Within the semiconductor taxonomy, the ATmega168A sits under 8-bit microcontrollers, which belong to the broader microcontroller unit (MCU) family, itself a subset of embedded processors and integrated circuits. The AVR architecture executes most instructions in a single clock cycle, giving roughly 20 MIPS at 20 MHz. Key features include 16 KB of flash with read-while-write support, 512 B of EEPROM for non-volatile parameter storage, 1 KB of SRAM, 23 general-purpose I/O lines, 32 general-purpose working registers, and three flexible timer/counters with compare modes. The device integrates a byte-oriented two-wire serial interface, a programmable serial USART, and an SPI serial port, plus a 10-bit ADC and an internal calibrated oscillator. The ATmega168A uses Microchip's high-performance, low-power AVR RISC architecture with 133 powerful instructions, most executing in a single clock cycle. The picoPower design keeps active and idle current low, and six sleep modes allow fine-grained power management. On-chip debug support via debugWIRE and in-system programming through SPI simplify development and field updates. Typical applications include consumer appliances, battery chargers, sensor nodes, motor control front-ends, and industrial control boards. The 2.7 V to 5.5 V supply range and -40 C to +85 C operating window make it suitable for both 3.3 V and 5 V systems, and the 32-VQFN package saves board area compared with TQFP alternatives. When designing with this device, decouple VCC and AVCC with 100 nF ceramic capacitors placed close to the pins, and keep the exposed pad soldered to a grounded thermal land. The reset pin should be pulled high through a 10 kOhm resistor, and the internal 8 MHz oscillator can eliminate an external crystal when 8 MHz accuracy is sufficient. 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 $1,85 En stock
ATMEGA168P-20AN - 16KB Flash 20MHz AVR MCU | Microchip
ATMEGA168P-20AN

ATMEGA168P-20AN - 16KB Flash 20MHz AVR MCU | Microchip

The Microchip Technology ATMEGA168P-20AN is a picoPower 8-bit AVR RISC microcontroller with 16 KB ISP Flash, 512 B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines, and up to 20 MIPS throughput at 20 MHz, housed in a 32-pin TQFP (7x7 mm) package with industrial temperature rating. An 8-bit microcontroller (MCU) is a complete computing system on a single chip, combining a processor core, program memory, data memory, and peripherals such as timers, UART, SPI, I2C, and ADC. MCUs form the lowest layer of the embedded systems hierarchy - sitting below application processors and above discrete logic - and are the workhorses of consumer, industrial, and automotive electronics. Key features of the ATMEGA168P include 131 powerful RISC instructions with mostly single-cycle execution, 32 general-purpose working registers, a 10-bit ADC, three flexible timers/counters with compare modes, and in-system programmable Flash with read-while-write capability. The picoPower technology delivers low sleep-mode currents, making it suited to battery-powered designs. Architecturally, the AVR core uses a Harvard structure with separate program and data buses, achieving one MIPS per MHz. The picoPower process node reduces static leakage, and brown-out detection, power-on reset, and an internal calibrated RC oscillator reduce external component count. Typical applications include Arduino-compatible boards, industrial sensors and control nodes, motor control, consumer appliances, and battery-powered instrumentation. The 20 MHz speed grade supports demanding polling and interrupt workloads. Design consideration: operate from a 2.7 V to 5.5 V supply; at 5 V the full 20 MHz is available, but at lower voltages the maximum clock frequency is derated per the datasheet frequency-versus-voltage curve. This page synthesizes drop-in alternatives, pricing context, and practical design notes not found in the manufacturer datasheet, giving engineers a single citable reference.

USD $1,72 En stock