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ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip
ATMEGA168P-20AU

ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip

The Microchip Technology ATMEGA168P-20AU is a high-performance picoPower 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, operating at up to 20 MHz from a 2.7 V to 5.5 V supply in a 32-pin TQFP (7x7 mm) package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters. Within the semiconductor taxonomy, the ATmega168P sits under 8-bit microcontrollers, which belong to the broader embedded microcontroller family, itself a subset of integrated circuits. The AVR core uses a Harvard architecture with 32 general-purpose working registers and 133 powerful instructions, most executing in a single clock cycle, delivering up to 20 MIPS throughput at 20 MHz. Key features include 16 KB ISP flash with read-while-write capability, 512 B EEPROM for non-volatile parameter storage, 1 KB SRAM, three flexible timer/counters with compare modes, a 10-bit ADC, a programmable USART, and an SPI and TWI (I2C) interface. The picoPower technology reduces active and standby current, making the device suitable for battery-powered designs. The ATmega168P is fabricated on Microchip's low-power CMOS process and supports in-system programming and on-chip debug via the SPI-based ICSP interface, eliminating the need for a separate programmer in production. Its 23 I/O lines are grouped into three ports (PORTB, PORTC, PORTD), each with selectable internal pull-ups. Typical applications include consumer electronics, battery management, industrial control, sensor nodes, and hobbyist/Arduino-compatible platforms. The 32-TQFP package offers a compact 7x7 mm footprint with 0.8 mm pitch, well suited to automated surface-mount assembly. 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. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2.91 有现货
ATMEGA168P-20AUR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168P-20AUR

ATMEGA168P-20AUR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168P-20AUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 16 KB ISP flash memory, 1 KB SRAM, 512 B EEPROM, and 23 general-purpose I/O lines, executing up to 20 MIPS at 20 MHz in a 32-pin TQFP (7x7 mm) package. An 8-bit AVR microcontroller is a single-chip computer built around the AVR enhanced RISC architecture, in which most of the 131 powerful instructions execute in a single clock cycle. Within the power-management hierarchy, an MCU integrates a processor core, program flash, data SRAM, EEPROM, and peripherals such as timers, UART, SPI, I2C, and a 10-bit ADC on one die, replacing multi-chip solutions in embedded control systems. Key differentiating specifications include the picoPower technology for ultra-low sleep-mode consumption, an 8-channel 10-bit ADC, in-system self-programmable flash with read-while-write support, debugWIRE on-chip debugging, and an industrial temperature rating of -40C to +85C. The 20 MHz maximum clock and 5 V operation position this part between the low-speed 8 MHz variants and higher-memory ATmega328P devices. Architecturally, the ATmega168P pairs a fast-register-file RISC core (32 general-purpose working registers directly connected to the ALU) with Harvard-structured program and data buses. Two-cycle multiply hardware, three flexible timers with compare and PWM modes, a USART, and independent brown-out reset and watchdog circuits yield deterministic real-time behavior with minimal external components. Typical applications include hobby and commercial Arduino-compatible boards, industrial sensor nodes and actuator control, consumer appliance front panels, battery-powered instrumentation, and motor/PWM control loops. The picoPower feature set makes it especially well suited to battery-operated designs requiring microamp-level sleep currents. A key design consideration is supply-voltage versus clock-speed derating: above 8 MHz the device requires 4.5 V to 5.5 V operation, so a 3.3 V design must be clocked at 8 MHz or below per the manufacturer datasheet speed-versus-voltage curve. This page synthesizes verified distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet, delivering unique cross-reference value for sourcing and design engineers. Pricing references are as of 2026-09-16.

USD $1.49 有现货
ATMEGA168P-20MQR - 16KB AVR MCU, 20MHz, VQFN-32 | Microchip
ATMEGA168P-20MQR

ATMEGA168P-20MQR - 16KB AVR MCU, 20MHz, VQFN-32 | Microchip

The Microchip Technology ATMEGA168P-20MQR is a picoPower 8-bit AVR RISC microcontroller with 16KB ISP FLASH memory, 1KB SRAM, 512B EEPROM, and 23 general purpose I/O lines, executing at up to 20MHz (20 MIPS) in a 32-pin VQFN (5x5 mm) package with exposed pad. An 8-bit AVR microcontroller is a self-contained computing device that integrates a RISC processor core, program memory, data memory, and peripherals such as timers, ADC, and serial interfaces on a single chip. Within the embedded systems hierarchy, the ATmega family sits under the broader AVR MCU line, which belongs to Microchip's microcontroller and digital signal processing portfolio, and is programmed through the In-Circuit Serial Programming (ICSP) interface using tools such as the MPLAB SNAP. Key features include 131 powerful instructions with mostly single-cycle execution, 32 general purpose working registers, full static operation, and read-while-write FLASH capability for reliable firmware updates. The picoPower technology delivers extremely low sleep-mode consumption, making the device well suited to battery-operated designs. Peripherals include three flexible timer/counters with compare modes, an 8-channel 10-bit ADC, byte-oriented Two-Wire Interface (I2C), SPI serial port, and a programmable USART. Technically, the AVR advanced RISC architecture achieves throughput near 1 MIPS per MHz, allowing system designers to trade clock speed against power dissipation. Operating voltage spans 1.8V to 5.5V; full 20MHz operation requires a supply of 4.5V to 5.5V per the datasheet speed-versus-voltage curves, while lower voltages constrain maximum clock frequency. Typical applications include industrial sensor nodes, consumer appliance control boards, battery-powered metering, and hobby/embedded prototyping platforms compatible with Arduino-style ecosystems. For design, note that the ATMEGA168PA is the manufacturer-recommended newer device for new designs; the P variant remains in production but the PA offers lower active current at equivalent performance. This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.31 有现货
ATMEGA168P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20MU

ATMEGA168P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip

The Microchip Technology ATMEGA168P-20MU is an 8-bit AVR RISC microcontroller with 16 KB ISP flash memory, 1 KB SRAM, 512 B EEPROM, and 23 general-purpose I/O lines, executing up to 20 MIPS at a maximum 20 MHz clock in a 32-pad VQFN (5x5 mm) package. An 8-bit AVR microcontroller is a Harvard-architecture MCU that executes most instructions in a single clock cycle, placing it in the embedded microcontroller hierarchy (AVR ATmega MCU -> 8-bit microcontroller -> microcontroller IC -> semiconductor). The ATmega family is widely used for cost-sensitive embedded control where flash self-programming and rich peripherals are required without an external memory interface. Key features include the picoPower technology for ultra-low power consumption, a 10-bit ADC with up to 8 channels in the QFN package, three flexible timer/counters with compare modes, and connectivity peripherals comprising I2C (TWI), SPI, and USART. The device operates from 1.8 V to 5.5 V, tolerating battery-powered and 5 V industrial environments alike. Architecturally, the ATMEGA168P-20MU combines 32 general-purpose working registers tightly coupled to the ALU, read-while-write flash for safe in-application firmware updates, debugWIRE on-chip debugging over the reset line, and in-circuit serial programming (ICSP). The picoPower sleep modes, including power-down at sub-uA levels, make it efficient for battery designs. Typical applications include industrial sensor nodes, consumer appliance control, hobby and maker platforms (Arduino-compatible designs), HVAC and building automation, and battery-operated portable instruments. The 20 MHz speed class supports control loops and protocol handling in these systems. Design consideration: the QFN-32 package exposes a central die pad that must be soldered to a grounded PCB pad for reliable operation and thermal dissipation; plan reflow accordingly. This page synthesizes distributor pricing, verified drop-in alternatives within the ATmega family, pinout data, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.38 有现货
ATMEGA168P-20MUR - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20MUR

ATMEGA168P-20MUR - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip

The Microchip Technology ATMEGA168P-20MUR is an 8-bit AVR RISC microcontroller delivering 20 MIPS throughput 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-pad VQFN (5x5 mm, MLF) exposed-pad package. An 8-bit AVR ATmega microcontroller is a member of the AVR family of modified Harvard-architecture RISC processors, positioned in the system hierarchy as: ATmega168P -> ATmega family -> 8-bit AVR MCU -> microcontroller -> embedded processor. AVRs execute most instructions in a single clock cycle, which is why a 20 MHz ATmega168P achieves up to 20 MIPS - roughly 1 MIPS per MHz, higher effective throughput than many competing 8-bit cores at the same clock rate. Key features include the picoPower low-power technology with multiple sleep modes and sub-uA power-down current, a 10-bit ADC with up to 8 channels, three flexible timers (two 8-bit, one 16-bit with compare modes and PWM), a full-duplex USART, two-wire interface (I2C-compatible), SPI, and debugWIRE on-chip debugging. The part operates from 2.7 V to 5.5 V and is rated for the industrial temperature range of -40C to +85C, with the -20M speed grade valid at 4.5 V to 5.5 V. Architecturally, the device combines 32 general-purpose working registers directly connected to the ALU, allowing one-cycle execution of powerful instructions, and read-while-write FLASH for reliable in-system self-programming via the bootloader capability. Typical applications include Arduino-compatible boards (the ATmega168 is the classic Duemilanove-class core), industrial sensor nodes, consumer appliance controls, battery-powered picoPower designs, and motor/PWM control where the three timers and 6 PWM channels are valuable. Design consideration: choose the VCC operating point carefully - full 20 MHz operation requires 4.5 V to 5.5 V; at 2.7 V to 4.5 V the clock must be derated to 10 MHz per the AVR frequency-voltage curve. This page synthesizes distributor pricing, drop-in same-footprint alternatives, pinout, and practical design notes not consolidated in the manufacturer datasheet. Pricing shown is as of 2026-09-16.

USD $1.58 有现货
ATMEGA168P-20PU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20PU

ATMEGA168P-20PU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip

The Microchip Technology (Atmel) ATMEGA168P-20PU is a picoPower 8-bit AVR RISC microcontroller delivering 20 MIPS at 20 MHz, with 16KB ISP flash memory, 1KB SRAM, 512B EEPROM, and 23 general-purpose I/O lines in a 28-pin PDIP package rated for industrial temperatures. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle. Within the power-management hierarchy, it integrates the CPU, program memory, data memory, timers, communication peripherals, and analog-to-digital converter on a single chip, making it a complete embedded control solution without external components. The ATmega168P family sits between the smaller ATmega48 and the larger ATmega328 in the AVR flash microcontroller lineup. Key features include 16KB of in-system-programmable flash with read-while-write support, a 10-bit ADC with up to 8 multiplexed channels (TQFP/QFN packages; 6 channels on PDIP), three flexible timer/counters with compare modes, and debugWIRE on-chip debugging. The picoPower technology enables low-power sleep modes for battery-operated designs, and supply voltage spans 2.7V to 5.5V. Architecturally, the AVR core uses 32 general-purpose working registers directly connected to the ALU, allowing one-cycle execution of most instructions - 133 powerful instructions in total. On-chip peripherals include USART, SPI, and two-wire (I2C-compatible) serial interfaces, plus a watchdog timer, brown-out detection, and power-on reset. Typical applications include hobbyist and Arduino-compatible boards, industrial sensor nodes, consumer appliance control, and low-power battery products where the through-hole PDIP package simplifies prototyping and rework. A key design consideration is clock selection: full 20 MHz operation requires 4.5V-5.5V; at 2.7V the maximum safe frequency is lower, so set fuse bits accordingly. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2.05 有现货
ATMEGA168PA-15MZ - 8-bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168PA-15MZ

ATMEGA168PA-15MZ - 8-bit AVR MCU 16KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA168PA-15MZ is an 8-bit AVR RISC picoPower microcontroller with 16 KB ISP flash memory, 1 KB SRAM, 512 B EEPROM, and up to 20 MIPS throughput at 20 MHz, housed in a 32-pin QFN (5x5 mm) package with exposed pad and AEC-Q100 automotive qualification. A microcontroller unit (MCU) integrates a processor core, program memory, data memory, and peripherals on a single die, sitting at the center of the embedded systems hierarchy (MCU -> embedded processor -> semiconductor device). The AVR family uses a modified Harvard architecture in which most of its 131 instructions execute in a single clock cycle, so each megahertz of clock yields roughly one MIPS of effective throughput - a defining trait of 8-bit AVR RISC design. Key features include 23 general-purpose I/O lines, 32 general-purpose working registers, an 8-channel 10-bit ADC available in the QFN/MLF package, two 8-bit and one 16-bit timer with PWM, USI-capable serial interfaces (SPI, I2C, UART), debugWIRE on-chip debug, and picoPower sleep modes down to sub-uA currents. The PA suffix denotes the picoPower revision with lower power consumption than the original ATmega168. The device operates from 1.8V to 5.5V and across -40C to +125C, and is qualified to AEC-Q100 for automotive use. Read-while-write flash enables in-system self-programming, and a 4KB self-programming flash section supports bootloaders. Typical applications include automotive body and comfort modules, industrial sensor nodes, battery-powered metering, and motor control interfaces where 16 KB of code space and wide temperature range are sufficient. Design tip: use the debugWIRE pin (shared with RESET) for in-circuit debugging, and keep the exposed pad soldered to a ground pour for thermal and EMC performance. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.26 有现货
ATMEGA168PA-ANR - 16KB AVR 8-Bit MCU 20MHz | Microchip
ATMEGA168PA-ANR

ATMEGA168PA-ANR - 16KB AVR 8-Bit MCU 20MHz | Microchip

The Microchip Technology ATMEGA168PA-ANR is a picoPower 8-bit AVR RISC microcontroller with 16 KB of in-system programmable flash, 1 KB SRAM, and 512 bytes of EEPROM, running at up to 20 MHz and supplied from 1.8 V to 5.5 V, housed in a 32-pin TQFP (7x7 mm) package. It delivers up to 20 MIPS throughput at 20 MHz and integrates 23 general-purpose I/O lines, an 8-channel 10-bit ADC, and a debugWIRE on-chip debug interface. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle, sitting within the hierarchy of microcontroller -> embedded processor -> integrated circuit -> semiconductor. The ATmega family is the classic general-purpose AVR line, and the PA suffix denotes the picoPower generation with reduced active and standby current for battery-powered designs. Key differentiators include 16 KB flash with read-while-write self-programming, 512 bytes of true EEPROM for non-volatile parameter storage, and a wide 1.8 V to 5.5 V supply that allows direct operation from single-cell Li-Ion or 3xAA battery stacks without a regulator. The 32-TQFP (7x7 mm) body keeps the footprint compact while exposing all 23 I/O lines. The device integrates three flexible timer/counters with compare modes, a programmable USART, a byte-oriented Two-Wire serial interface (I2C), an SPI port, internal and external interrupts, a 6-channel PWM, a programmable watchdog timer with separate oscillator, and brown-out detection. The 10-bit ADC with 8 multiplexed channels supports temperature sensing and analog front ends. Typical applications include battery-powered sensor nodes, consumer appliance control panels, motor control front ends, LED lighting controllers, and legacy Arduino-compatible designs. The 1.8 V minimum supply and sub-microamp power-down mode make it well suited to energy-harvesting and coin-cell products. A key design consideration is that the TQFP-32 land pattern is shared across the ATmega48PA/88PA/168PA family, so firmware can be scaled up or down without PCB changes. Decouple VCC and AVCC with 100 nF ceramic capacitors placed within a few millimeters of the pins, and keep the 32 kHz crystal traces short if using an external RTC crystal. 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 $1.44 有现货
ATMEGA168PA-AU - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip
ATMEGA168PA-AU

ATMEGA168PA-AU - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip

The Microchip Technology ATMEGA168PA-AU is a high-performance picoPower 8-bit AVR RISC microcontroller with 16 KB ISP FLASH memory, 512 B EEPROM, 1 KB SRAM, and up to 20 MIPS throughput at 20 MHz, housed in a 32-pin TQFP (7x7 mm) surface-mount package. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single chip, sitting at the center of the embedded-systems hierarchy: transistor -> logic IC -> microcontroller -> full system-on-chip. The AVR architecture uses a Harvard design with 32 general-purpose working registers directly connected to the ALU, allowing one-cycle execution of most instructions. Key features of the ATMEGA168PA-AU include 23 programmable I/O lines, a 6-channel 10-bit ADC, a USART, a byte-oriented Two-Wire Interface (TWI/I2C), an SPI serial port, three flexible timer/counters with compare modes, and six sleep modes down to power-save operation in the sub-1 uA range via the picoPower technology. The picoPower process delivers class-leading low-power operation: idle current, power-down, and standby modes support battery-powered designs. The enhanced RISC core executes most single-cycle instructions, and a two-cycle hardware multiplier accelerates digital signal processing tasks. In-system programmable (ISP) FLASH with read-while-write support enables field firmware updates. Typical applications include Arduino-compatible hobby and maker boards, industrial sensor nodes, consumer appliances, and low-cost automotive-adjacent control panels where moderate memory and low power are priorities. Design consideration: choose the internal 8 MHz RC oscillator for cost-sensitive designs, or drive the external 20 MHz crystal for maximum performance; brown-out detection should be enabled in noisy environments to prevent FLASH corruption. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

USD $0.98 有现货
ATMEGA168PA-AUR - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip
ATMEGA168PA-AUR

ATMEGA168PA-AUR - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip

The Microchip Technology (Atmel) ATMEGA168PA-AUR is a high-performance, low-power picoPower 8-bit AVR RISC microcontroller with 16 KB of in-system programmable (ISP) Flash memory, 1 KB of SRAM, and 512 B of EEPROM, executing at up to 20 MHz and housed in a 32-pin TQFP (7 x 7 mm) package supplied on tape and reel. An 8-bit AVR microcontroller is a single-chip computer built around an advanced RISC architecture; in the wider system hierarchy it belongs to the MCU category under Integrated Circuits, sitting above discrete logic but below 32-bit application processors. ATmega-family MCUs execute most instructions in a single clock cycle and integrate program memory, data memory, and peripherals on one die, making them a mainstay of embedded control. Key features include the picoPower technology suite for microamp-level sleep currents, 23 general-purpose I/O lines, 32 general-purpose working registers, and three flexible timer/counters with compare modes. Peripherals include a serial programmable USART, a byte-oriented Two-Wire (I2C-compatible) interface, an SPI serial port, a 10-bit ADC with 8 single-ended channels (6 differential with programmable gain), and an internal calibrated RC oscillator, eliminating the need for an external crystal in many designs. Technically, the ATmega168PA combines 131 mostly single-cycle instructions with hardware multipliers, four power-saving modes (idle, ADC noise reduction, power-save, and power-down), brown-out detection, an on-chip debug interface, and in-system programmability via SPI. The PA variant extends the supply range down to 1.8 V with picoPower refinements over the original ATmega168, allowing direct operation from two alkaline cells or a single Li-ion cell with a regulator. Typical applications include battery-powered sensor nodes, industrial control panels, HVAC and appliance control, and Arduino-compatible hobby and prototyping boards (the Arduino Nano platform classically uses this 32-TQFP footprint). For design, remember that maximum clock frequency scales with supply voltage: 20 MHz requires 4.5-5.5 V, while operation at 1.8 V limits the safe clock to roughly 4 MHz per the datasheet frequency-voltage curve. This page synthesizes distributor pricing, verified drop-in alternatives, a complete TQFP-32 pinout, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.85 有现货
ATMEGA168PA-CCU - 16KB Flash 20MHz AVR MCU 32-UFBGA | Microchip
ATMEGA168PA-CCU

ATMEGA168PA-CCU - 16KB Flash 20MHz AVR MCU 32-UFBGA | Microchip

The Microchip Technology ATMEGA168PA-CCU is a picoPower 8-bit AVR RISC microcontroller with 16 KB ISP flash memory, 1 KB SRAM, and 512 B EEPROM, running at up to 20 MHz in a 32-ball UFBGA (4x4 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded computing hierarchy: MCU -> embedded processor -> system-on-chip -> computing system. The AVR family pioneered single-cycle RISC execution, and the ATmega168PA belongs to the ATmega 8-bit flash MCU family alongside the ATmega88PA and ATmega328P. Key features include 131 powerful instructions with mostly single-clock-cycle execution, 32 x 8 general purpose working registers, fully static operation, 23 general purpose I/O lines, and an 8-channel 10-bit ADC. Connectivity spans I2C (TWI), SPI, and UART/USART interfaces, supporting common embedded communication buses without external controllers. The picoPower technology platform provides multiple sleep modes and low-power consumption characteristics suited to battery-operated designs. The 16 KB flash supports read-while-write operation and In-System Self-Programming, while the In-Circuit Serial Programming (ICSP) interface uses two I/O pins plus reset for debugging and programming, enabling rapid prototyping with tools such as the AVR debuggers. Typical applications include battery-powered sensor nodes, industrial control panels, consumer appliance controllers, and space-constrained portable devices where the compact 4x4 mm UFBGA footprint saves board area compared to TQFP alternatives. Designers should note that the UFBGA package requires reflow soldering and careful PCB fan-out; it cannot be hand-soldered or socketed like DIP variants. Verify supply-voltage range against the datasheet for the intended operating speed grade. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.29 有现货
ATMEGA168PA-CCUR - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168PA-CCUR

ATMEGA168PA-CCUR - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip

The Microchip Technology ATMEGA168PA-CCUR is an 8-bit AVR RISC microcontroller with 16KB of ISP flash memory, 1KB of SRAM, and 512B of EEPROM, executing up to 20 MIPS at a maximum 20MHz clock from a wide 1.8V to 5.5V supply, housed in a 32-ball UFBGA (4x4 mm) package supplied on tape and reel. An 8-bit AVR microcontroller is a single-chip integrated circuit that combines a RISC processor core, program memory, data memory, and peripherals such as timers, USART, SPI, I2C, and ADC on one die. Within the semiconductor hierarchy, it belongs to the microcontroller class of embedded processors, positioned under the broader categories of logic ICs and system-on-chip devices, and is programmed in-system through ICSP or debugWIRE. Key differentiating features include the picoPower technology suite for ultra-low sleep-mode consumption, brown-out detection and power-on reset for supply supervision, a programmable watchdog timer, and multi-channel 10-bit ADC with PWM outputs. The advanced AVR RISC architecture executes 131 powerful instructions, most in a single clock cycle, delivering deterministic real-time performance. Technically, the ATMEGA168PA pairs 32 general-purpose working registers directly to the ALU, achieving one-instruction-per-cycle throughput. The self-programming flash supports read-while-write firmware updates, and debugWIRE provides on-chip debugging over a single wire using only the reset line and two I/O pins, minimizing board-level debug infrastructure. Typical applications include battery-powered portable devices, consumer electronics, sensor nodes and IoT endpoints, and low-cost industrial control boards where the compact 4x4 mm UFBGA footprint and picoPower sleep modes extend battery life while conserving PCB area. When designing with this part, keep in mind that the fine 0.5 mm-class ball pitch of the UFBGA package requires controlled-impedance PCB fabrication and X-ray-capable assembly inspection; the trade-off for the tiny footprint is higher assembly cost than QFP alternatives. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $0.58 有现货
ATMEGA168PA-MNR - AVR 8-Bit MCU 16KB 20MHz VQFN-32 | Microchip
ATMEGA168PA-MNR

ATMEGA168PA-MNR - AVR 8-Bit MCU 16KB 20MHz VQFN-32 | Microchip

The Microchip Technology ATMEGA168PA-MNR is a high-performance, low-power picoPower 8-bit AVR RISC microcontroller with 16 KB ISP FLASH memory, 1 KB SRAM, 512 B EEPROM, and up to 20 MHz clock speed, housed in a 32-pad VQFN (5x5 mm, MLF) surface-mount package. It executes most instructions in a single clock cycle, achieving up to 20 MIPS throughput at 20 MHz. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that combines program FLASH, data SRAM, and EEPROM on a single die, forming the core of a full system-on-chip power management and embedded control solution. The AVR family pioneered single-cycle instruction execution, making ATmega devices a de facto standard for cost-sensitive embedded control from hobby platforms to industrial products. Key features of the ATMEGA168PA-MNR include 23 general-purpose I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes (two 8-bit, one 16-bit), a 10-bit ADC with up to 8 channels, and serial peripherals including USART, SPI, and two-wire I2C interfaces. The picoPower technology delivers very low sleep-mode currents, extending battery life in portable designs. On-chip debug via debugWIRE and In-Circuit Serial Programming (ICSP) simplify development with tools such as MPLAB SNAP and AVR ISP MKII. The advanced RISC architecture provides 131 powerful instructions, hardware multiply, and read-while-write FLASH operation. Brown-out detection, power-on reset, an internal calibrated 8 MHz RC oscillator, and a watchdog timer reduce external component count and improve system robustness. Six sleep modes, including Idle, ADC Noise Reduction, Power-save, and Power-down, allow fine-grained energy optimization down to the microamp range. Typical applications include battery-powered consumer devices, industrial sensor nodes, motor and LED control, HVAC and home-automation products, and low-cost data loggers where the 16 KB FLASH / 1 KB SRAM balance is sufficient and the compact 5x5 mm VQFN footprint saves PCB area. A key design consideration: the -MNR suffix indicates Tape and Reel packaging and the lead-free/RoHS MLF package, whose exposed die pad must be soldered to a grounded copper pour for both mechanical retention and thermal performance; VCC/GND decoupling capacitors should be placed within 2 mm of the pads. This page adds value beyond the manufacturer datasheet by synthesizing distributor pricing tiers, drop-in same-footprint alternatives across the ATmega48/88/168/328 families, and practical PCB and power-design notes in one citation-ready reference.

USD $1.36 有现货
ATMEGA168PA-MU - 8-bit AVR MCU 16KB 20MHz VQFN-32 | Microchip
ATMEGA168PA-MU

ATMEGA168PA-MU - 8-bit AVR MCU 16KB 20MHz VQFN-32 | Microchip

The Microchip Technology ATMEGA168PA-MU is a picoPower 8-bit AVR RISC microcontroller delivering 20 MHz maximum clock frequency, 16 KB of ISP flash memory with read-while-write support, and 512 B EEPROM in a 32-pad VQFN (5x5 mm, 0.5 mm pitch, MLF-32) package. It operates from 1.8V to 5.5V across the industrial temperature range. An 8-bit AVR microcontroller is a single-chip computer that integrates a RISC CPU core, program flash, SRAM, EEPROM, and peripheral functions such as timers, USART, SPI, and I2C onto one die. Within the power-management hierarchy, MCUs sit at the top of embedded control systems, executing user firmware that sequences peripherals, reads sensors, and drives actuators in everything from consumer appliances to industrial nodes. Key features include the Advanced RISC architecture with 131 mostly single-cycle instructions and 32 general-purpose working registers, achieving up to 20 MIPS at 20 MHz. The picoPower technology provides multiple sleep modes with sub-uA current draw, critical for battery-powered designs. On-chip peripherals include one 8-bit and one 16-bit timer with PWM, a 10-bit 6-channel ADC, byte-oriented two-wire interface (I2C), SPI, and a serial USART. Brown-out detection, power-on reset, and an internal 8 MHz calibrated RC oscillator reduce external component count. Technically, the ATmega168PA is fabricated in a low-power process, with the PA suffix denoting the picoPower revision that lowers active and idle current versus the original ATmega168. The Harvard architecture separates program and data buses, enabling single-cycle instruction fetch. In-system programmable flash supports self-programming for firmware updates in the field via bootloader. Typical applications include battery-powered sensor nodes, Arduino-compatible hobby and prototyping boards, industrial sensor interfaces, and consumer appliance control, where 16 KB of flash and low sleep current align well with cost-sensitive designs. Design consideration: operate below 8 MHz when running under 2.7V, since the 20 MHz rating requires VCC above 4.5V per the speed-grade curve; plan the BOD threshold to match your supply rail. This page synthesizes distributor pricing, verified drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.72 有现货
ATMEGA168PA-MUR - 8-Bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168PA-MUR

ATMEGA168PA-MUR - 8-Bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip

The Microchip Technology ATMEGA168PA-MUR is a picoPower 8-bit AVR RISC microcontroller with 16 KB ISP Flash, 512 B EEPROM, 1 KB SRAM, and a maximum clock frequency of 20 MHz, supplied in a 32-pad VQFN (MLF) 5x5 mm package for industrial temperature ranges (-40C to +85C). An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 133 instructions in a single clock cycle. Within the power-management hierarchy, the ATmega family sits in the embedded microcontroller (MCU) class, integrating CPU, program memory, data memory, timers, and communication peripherals on a single die, making it a complete system-on-chip for cost-sensitive embedded control. Key features include the picoPower technology for sub-uA power modes, 16 KB of self-programmable Flash with read-while-write support, a 10-bit ADC with up to 8 channels, and a rich peripheral set: one 8-bit and one 16-bit timer with compare modes, a 6-channel PWM engine, a serial USART, a byte-oriented Two-Wire (I2C-compatible) interface, and an SPI port. The advanced RISC core uses 32 general-purpose working registers fully connected to the ALU, achieving up to 20 MIPS throughput at 20 MHz. Technically, the ATmega168PA is the picoPower refresh of the ATmega168A die, fabricated to reduce active and sleep-mode current. It operates from 2.7 V to 5.5 V and offers power-saving modes including Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby, with on-chip brown-out detection, power-on reset, and an internal calibrated RC oscillator. Typical applications include consumer appliances, industrial sensing nodes, battery-powered instruments, HVAC controls, and hobby/Arduino-class boards, where the combination of 5 V tolerance, low sleep current, and in-system programmability reduces total system cost. For design, remember the VQFN pad-frame requires a grounded center paddle for thermal and signal return integrity; place 100 nF decoupling capacitors at both VCC/AVCC pairs. This page synthesizes distributor pricing, same-footprint drop-in alternatives, and pinout data not consolidated in the manufacturer datasheet.

USD $1.75 有现货
ATMEGA168PA-PN - 8-bit AVR MCU 16KB Flash PDIP-28 | Microchip
ATMEGA168PA-PN

ATMEGA168PA-PN - 8-bit AVR MCU 16KB Flash PDIP-28 | Microchip

The Microchip Technology (Atmel) ATMEGA168PA-PN is a high-performance, low-power 8-bit AVR RISC microcontroller with 16KB ISP Flash, 1KB SRAM, 512B EEPROM, 23 general-purpose I/O lines and a maximum clock speed of 20 MHz, housed in a 28-pin PDIP package. An 8-bit microcontroller (MCU) integrates a processor core, memory, and peripherals on a single chip, sitting at the device level of the embedded-systems hierarchy below SoCs and above discrete logic. The AVR architecture uses a Harvard design with 131 powerful instructions, most executing in a single clock cycle, and 32 x 8-bit general-purpose working registers that are directly connected to the ALU, delivering up to 20 MIPS throughput at 20 MHz. Key features include 16KB self-programmable Flash with real Read-While-Write capability, an 8-channel 10-bit ADC sampling at up to 15 kSPS, one USART, one SPI, one TWI (I2C) interface, two 8-bit timers and one 16-bit timer with compare modes, plus picoPower technology for ultra-low sleep-mode consumption. The -PN suffix denotes the industrial temperature range PDIP packaging. The picoPower ATmega PA generation uses a low-leakage process and advanced sleep modes (Idle, ADC Noise Reduction, Power-save, Power-down, Standby) that let battery designs spend most of their life in microwatt-level Power-down while waking via interrupt in microseconds. Typical applications include Arduino-compatible prototype boards, industrial sensors and relay controllers, battery-powered instruments, and educational/embedded training platforms - the PDIP package is ideal for hand assembly, sockets, and breadboarding. Design consideration: PDIP-28 has higher package parasitics than QFN/MU variants, so keep system clocks at or below 16 MHz for external-crystal designs and always decouple both VCC pins with 100 nF ceramics. This page adds distributor pricing tiers, verified drop-in alternatives, complete pinout, and practical design notes not consolidated in the manufacturer datasheet.

USD $1.94 有现货
ATMEGA168PA-PU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168PA-PU

ATMEGA168PA-PU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip

The Microchip Technology ATMEGA168PA-PU is a picoPower 8-bit AVR RISC microcontroller with 16 KB ISP Flash memory, 1 KB SRAM, 512 B EEPROM, and a maximum clock speed of 20 MHz, housed in a 28-pin PDIP through-hole package. An 8-bit microcontroller (MCU) is a self-contained computing device that integrates a processor core, program memory, data memory, and peripherals on a single silicon die. Within the power management hierarchy of embedded systems, an MCU such as the AVR ATmega family sits at the control layer, executing firmware that coordinates sensors, actuators, and communication interfaces. The AVR architecture uses a modified Harvard layout with 32 general-purpose working registers directly connected to the ALU, allowing most of its 133 instructions to execute in a single clock cycle. Key features of the ATMEGA168PA-PU include read-while-write ISP Flash programming, 23 general-purpose I/O lines, a 10-bit ADC, a programmable USART, a byte-oriented Two-Wire (I2C) interface, and an SPI serial port. The picoPower technology delivers multiple sleep modes for battery-operated designs, and the -PU suffix denotes the commercial/industrial PDIP (28-DIP, 0.300 inch / 7.62 mm pitch) package supplied in tubes. Technically, the device operates from a 2.7 V to 5.5 V supply, supports in-system programming via the SPI or bootloader, and includes brown-out detection, a power-on reset, and a watchdog timer for robust operation. Three flexible timer/counters with compare modes and PWM outputs allow motor control, LED dimming, and precise waveform generation without CPU overhead. Typical applications include Arduino-compatible prototyping boards, hobby and educational electronics, low-power sensor nodes, and small industrial control and instrumentation products where through-hole mounting eases assembly and rework. For design, note that the 16 KB Flash and 1 KB SRAM ceiling makes the pin-compatible ATMEGA328P-PU (32 KB Flash, 2 KB SRAM) the safer choice if firmware growth is expected; otherwise the ATMEGA168PA-PU offers the lowest cost in the 28-pin family. This page synthesizes verified distributor data, pin-compatible drop-in alternatives, comparison tables, and practical design notes not found in a single manufacturer datasheet.

USD $1.86 有现货
ATMEGA168PB-ANR - 8-bit AVR MCU 16KB Flash 20MHz TQFP-32 | Microchip
ATMEGA168PB-ANR

ATMEGA168PB-ANR - 8-bit AVR MCU 16KB Flash 20MHz TQFP-32 | Microchip

The Microchip Technology ATMEGA168PB-ANR is a picoPower 8-bit AVR RISC microcontroller with 16KB ISP FLASH, 512B EEPROM, 1KB SRAM, up to 20MHz operation and 27 general-purpose I/O lines, housed in a 32-pin TQFP (7x7 mm) package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, placing it in the broader hierarchy of MCU -> embedded microcontroller -> semiconductor integrated circuit. AVR MCUs are widely used where low power, deterministic execution and simple single-supply design matter, from Arduino-compatible boards to industrial sensors. Key features of the ATMEGA168PB include advanced RISC architecture with 131 instructions, 32 general-purpose 8-bit working registers, three flexible timer/counters (two 8-bit, one 16-bit), a 10-bit ADC, and picoPower technology for ultra-low sleep currents. The PB variant improves analog performance and adds extra pin-mapping flexibility versus the earlier ATmega168PA. Technical depth: the device offers read-while-write FLASH for in-system programming, six sleep modes including power-down, USART, SPI and two-wire (I2C) serial interfaces, an on-chip oscillator option, and brown-out detection. Execution throughput reaches up to 20 MIPS at 20MHz, and the enriched feature set supports functional-safety-oriented designs. Typical applications include industrial sensor nodes, consumer appliances, battery-powered meters, and hobbyist/Arduino-compatible boards where pin-compatible upgrades of ATmega48/88/168/328 sockets are needed. Design consideration: keep AVCC connected to VCC through a low-pass network and never let the reset pin float; budget 20MHz timing only at 4.5V-5.5V or verify the voltage-frequency derating curve for 3.3V systems. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet.

USD $0.72 有现货
ATMEGA168PB-AU - 8-Bit AVR MCU, 20MHz, 16KB Flash | Microchip
ATMEGA168PB-AU

ATMEGA168PB-AU - 8-Bit AVR MCU, 20MHz, 16KB Flash | Microchip

The Microchip Technology ATMEGA168PB-AU is an 8-bit AVR ATmega microcontroller with 16 KB ISP flash memory, 512 B EEPROM, 1 KB SRAM, and 27 general-purpose I/O lines, executing at up to 20 MHz in a 32-pin TQFP (7x7 mm) package. It belongs to the picoPower AVR family with Functional Safety (FuSa) support and delivers throughputs approaching 1 MIPS per MHz. An 8-bit AVR microcontroller is a single-chip computer built on the AVR enhanced RISC architecture, in which most instructions execute in a single clock cycle. As a member of the broader microcontroller hierarchy (MCU -> embedded processor -> semiconductor device), it integrates flash program memory, SRAM data memory, EEPROM non-volatile storage, peripherals, and a CPU core in one package, replacing multi-chip solutions in cost- and power-sensitive embedded systems. Key differentiating features include 16 KB of self-programmable ISP flash with read-while-write capability, two 8-bit and one 16-bit timer/counters, a 10-bit ADC, and the picoPower technology that minimizes consumption in sleep modes. The 27 general-purpose I/O lines and 32 general-purpose working registers support efficient C-compiler code generation. The AVR Harvard architecture accesses program and data memory simultaneously, achieving near 1 MIPS/MHz efficiency. Six sleep modes, an on-chip debug interface, and in-system programming via SPI round out the system-level feature set, while the PB variant refines the pin configuration relative to earlier ATmega48/88/168 versions (see Microchip application note AT06609). Typical applications include industrial control and automation nodes, consumer appliances, battery-powered portable instruments, and hobby/education platforms such as Arduino-compatible boards. The wide 1.8V to 5.5V operating range fits both lithium-cell and 5V industrial rails. Design consideration: verify pin mappings against AT06609 when migrating from ATmega168PA/168A layouts, and plan ISP header access for in-system firmware updates. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and migration guidance not found in the manufacturer datasheet.

USD $1.27 有现货
ATMEGA168PB-AUR - 16KB AVR MCU 20MHz TQFP-32 | Microchip
ATMEGA168PB-AUR

ATMEGA168PB-AUR - 16KB AVR MCU 20MHz TQFP-32 | Microchip

The Microchip Technology ATMEGA168PB-AUR is a picoPower 8-bit AVR RISC microcontroller with 16 KB ISP flash, 512 B EEPROM, 1 KB SRAM, 27 general-purpose I/O lines, and a 20 MHz maximum operating frequency, supplied in a 32-pin TQFP (7x7 mm) package in tape-and-reel. It is part of the ATmega48PB/88PB/168PB family documented in the Microchip datasheet DS40001909B. An AVR microcontroller is a single-chip computer built on the enhanced RISC architecture originally developed by Atmel (now Microchip). It executes most instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz, which lets designers trade processing speed against power consumption. Within the product taxonomy, the ATmega168PB sits at microcontroller -> 8-bit MCU -> embedded processor -> semiconductor IC, and it is the mid-memory member of the pin-compatible ATmega48PB/88PB/168PB trio. Key features include 16 KB of self-programmable flash with read-while-write capability, 512 bytes of EEPROM for non-volatile parameter storage, 1 KB of SRAM, 32 general-purpose working registers, and three flexible timer/counters with compare modes. The device integrates Core Independent Peripherals (CIPs) and picoPower technology, enabling true 1.8 V operation and extremely low sleep currents for battery-powered designs. The ATmega168PB architecture pairs the AVR core with a rich peripheral set: USART with wake-up on start-of-frame, SPI, TWI (I2C), a 10-bit ADC, internal and external interrupts, and a calibrated RC oscillator. The 'PB' generation adds the Peripheral Touch Controller (PTC) and improved serial communication features over the earlier 'PA' generation, while retaining the same TQFP-32 footprint. Typical applications include Arduino-compatible development boards, industrial sensor nodes, battery-powered IoT endpoints, motor control front-ends, and consumer white goods. The 1.8 V to 5.5 V supply range allows direct operation from single-cell Li-Ion or 3xAA battery packs without an intermediate regulator. When designing with this device, decouple every VCC pin with a 100 nF ceramic capacitor placed within a few millimeters of the pin, and keep the AVCC filter inductor away from high-current switching nodes. The reset pin should be pulled high through 10 kOhm and protected with a 100 nF capacitor to ground. 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 $1.58 有现货
ATMEGA168PB-MU - 8-bit AVR MCU 16KB Flash 20MHz QFN-32 | Microchip
ATMEGA168PB-MU

ATMEGA168PB-MU - 8-bit AVR MCU 16KB Flash 20MHz QFN-32 | Microchip

The Microchip Technology ATMEGA168PB-MU is an 8-bit AVR RISC microcontroller delivering 20 MHz operation, 16 KB ISP flash memory and 1 KB SRAM in a 32-pin VFQFN (5x5 mm) package with exposed pad. An 8-bit microcontroller is a single-chip computer that processes data in 8-bit words and integrates a CPU, memory, timers, and communication peripherals on one die. The ATmega168PB belongs to the AVR ATmega family of microcontrollers, part of the broader power-management hierarchy of embedded processors, and succeeds the ATmega168A/P generations with lower power and added peripherals. The picoPower technology and AVR enhanced RISC architecture execute most instructions in a single clock cycle, achieving throughputs approaching 1 MIPS per MHz. Key features include 16 KB (8K x 16) self-programmable flash with read-while-write support, 512 B EEPROM, 1 KB SRAM, 27 general-purpose I/O lines, and 32 general-purpose working registers. Peripheral set comprises three flexible timers/counters with compare modes, a 10-bit ADC, a USART with wake-up on start condition, and two-wire interface (I2C) and SPI serial ports. The device operates from 1.8 V to 5.5 V over the industrial temperature range of -40C to +85C, and is classified by DigiKey as an AVR ATmega Functional Safety (FuSa) microcontroller IC. Architecturally, the AVR core uses Harvard structure with separate program and data buses; the single-cycle instruction execution allows system designers to optimize power consumption versus processing speed, choosing slower clocks for battery life rather than lower supply voltage rails. Typical applications include industrial sensor nodes, consumer appliances, battery-powered portable devices, and hobby/Arduino-compatible embedded systems, where the QFN/MLF footprint suits space-constrained, automated PCB assembly. For design, verify pin functionality changes when migrating from ATmega48/88/168 to the PB generation, per Microchip application note MCU8APPS-456, since PB parts are drop-in for the 32-pin VFQFN only under stated conditions. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $1.31 有现货
ATMEGA168PV-10AN - AVR 8-bit MCU 16KB Flash 10MHz | Microchip
ATMEGA168PV-10AN

ATMEGA168PV-10AN - AVR 8-bit MCU 16KB Flash 10MHz | Microchip

The Microchip (Atmel) ATMEGA168PV-10AN is a picoPower AVR 8-bit RISC microcontroller with 16KB of In-System Programmable Flash, 512B EEPROM, 1KB SRAM, and a maximum clock frequency of 10 MHz, housed in a 32-pin TQFP (7 x 7 mm) package. The PV suffix denotes the low-voltage picoPower variant operating from 1.8V to 5.5V, making it one of the most flexible supply-range parts in the ATmega168 family. An 8-bit AVR microcontroller is a self-contained computing device that integrates a RISC processor core, program memory, data memory, and peripherals on a single chip, sitting at the entry level of the broader microcontroller (MCU) hierarchy within embedded systems and power-management silicon. The AVR architecture executes most of its 131 instructions in a single clock cycle, and the ATmega168P core is fully static, delivering up to 10 MIPS of throughput at 10 MHz. Key features include 16KB (8K x 16) self-programmable Flash with read-while-write support, three flexible timers/counters with compare modes, a 10-bit ADC, USART serial interface, two-wire interface (I2C), and SPI. The picoPower technology enables very low power consumption in sleep modes, which is central to battery-powered designs. Technically, the device uses the Harvard-architecture AVR 8-bit core with 32 general-purpose working registers directly connected to the ALU, allowing one-cycle instruction execution and high code efficiency. Non-volatile memory segments feature high endurance for repeated field updates. Typical applications include battery-powered sensor nodes, industrial control panels, consumer appliance control, and hobby/education embedded platforms such as Arduino-compatible boards. Design consideration: the 10 MHz speed-grade limit means system clock sources must not exceed 10 MHz, unlike the 20 MHz variants in the same footprint; verify fuses when reusing existing designs. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet, improving sourcing and design-in efficiency.

USD $1.12 有现货
ATMEGA168PV-10AUR - 8-Bit AVR MCU 16KB 10MHz TQFP-32 | Microchip
ATMEGA168PV-10AUR

ATMEGA168PV-10AUR - 8-Bit AVR MCU 16KB 10MHz TQFP-32 | Microchip

The Microchip Technology ATMEGA168PV-10AUR is a picoPower 8-bit AVR RISC microcontroller delivering 16KB ISP flash memory, 512B EEPROM, 1KB SRAM and up to 10MHz operation from a 1.8V to 5.5V supply, housed in a 32-pin TQFP (7x7 mm) package for industrial temperature ranges. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, positioning it within the power-management hierarchy as a complete embedded system-on-chip combining CPU, program memory, data memory, timers, ADC and communication peripherals. The AVR ATmega family is the direct ancestor of the MCU used on classic Arduino boards, making it one of the most widely documented controller families in embedded design. Key features include 23 programmable I/O lines, three flexible timer/counters, a 10-bit ADC, and Microchip picoPower technology that minimizes consumption in sleep modes. Read-while-write flash support allows in-system programming without halting execution. The 1.8V minimum supply distinguishes the V-grade P-variant from standard ATmega168 parts, enabling battery-powered designs running directly from two alkaline cells. The AVR core uses 32 general-purpose working registers directly connected to the ALU, giving single-cycle execution of most instructions and deterministic timing attractive for bit-banged protocols and motor control loops. Peripherals include SPI, I2C-compatible TWI and USART serial interfaces plus an analog comparator. Typical applications include battery-powered sensor nodes, industrial control panels, HVAC controllers, hobbyist and educational embedded platforms, and simple motor control. The wide 1.8V to 5.5V operating range lets one design span alkaline, lithium and regulated 5V supplies. For design, reserve the hardware debug/programming pins (MOSI, MISO, SCK, RESET) as header access to allow ISP flash updates in production. This page synthesizes distributor pricing, drop-in alternatives within the ATmega168 family, and practical design notes not found in the manufacturer datasheet.

USD $1.19 有现货
ATMEGA168PV-10MU - 8-bit AVR MCU 16KB 10MHz | Microchip
ATMEGA168PV-10MU

ATMEGA168PV-10MU - 8-bit AVR MCU 16KB 10MHz | Microchip

The Microchip Technology ATMEGA168PV-10MU is a picoPower 8-bit AVR RISC microcontroller with 16KB (8K x 16) ISP flash memory, 512B EEPROM, 1KB SRAM, and a 10 MHz maximum clock rating, supplied in a 32-pin VQFN (5x5 mm) package with exposed pad. A microcontroller (MCU) is a single-chip computer that integrates a processor core, non-volatile program memory, data SRAM, EEPROM, timers, analog peripherals, and general-purpose I/O on one die. Within the semiconductor hierarchy, this device belongs to the AVR ATmega family -> 8-bit MCU -> embedded processor -> integrated circuit, targeting low-power embedded control nodes rather than high-performance computing. Key features include the AVR enhanced RISC architecture with 133 powerful instructions, most executing in a single clock cycle; 23 general-purpose I/O lines; three flexible timer/counters with compare modes; an 8-channel 10-bit ADC; and programmable serial USART, SPI, and two-wire interface (I2C). The picoPower technology and power management modes (idle, ADC noise reduction, power-save, power-down, standby) make this P variant well suited for battery-powered designs. The picoPower ATmega168P core executes from flash with read-while-write support, enabling in-system self-programming through the boot loader section. Operating from 1.8V to 5.5V, the device tolerates battery discharge curves without a regulator change, and the 10 MHz rating across the full supply range simplifies clock tree design in low-voltage systems. Typical applications include battery-powered sensor nodes, consumer appliance control boards, industrial sensor interfacing, and hobby/prototyping platforms compatible with Arduino-style toolchains. When designing with this device, budget flash carefully: 16KB accommodates well-structured C code, but floating-point-heavy firmware can exhaust it quickly. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

USD $2.35 有现货