Mga Integrated Circuit

ATMEGA8A-MU

ATMEGA8A-MU - AVR 8-bit MCU 16MHz 8KB Flash | Microchip (Tape & Reel)

The Microchip Technology ATMEGA8A-MU is a high-performance, low-power 8-bit AVR RISC microcontroller delivering 16 MIPS at 16 MHz, with 8 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. A microcontroller unit (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 embedded systems hierarchy, the ATmega8A belongs to the 8-bit AVR ATmega family from Atmel (now Microchip Technology), positioned below the larger ATmega88/328/64 families while covering the classic low-pin-count embedded control space. Key features include the advanced RISC architecture with 130 powerful instructions, most executing in a single clock cycle, plus 32 general-purpose working registers. The device integrates three flexible timer/counters with compare modes, a 10-bit ADC with 6 multiplexed channels, a byte-oriented two-wire interface (I2C-compatible), an SPI serial port and a programmable USART. In-system programmable (ISP) flash with read-while-write support allows firmware updates in the final product. Architecturally, the AVR core uses a Harvard structure with separate program and data buses, enabling single-cycle instruction fetch and execution. The ATMEGA8A operates from 4.5 V to 5.5 V at the full 16 MHz grade, with power-saving modes including idle and power-down to extend battery life. Internal and external interrupt sources, a watchdog timer and an on-chip debug capability via debugWIRE-style ICSP tools complete the feature set. Typical applications include industrial control and automation nodes, motor and LED control, sensor interfaces and data loggers, home appliances, HVAC systems and hobby/embedded education platforms where the 10-bit ADC and serial ports simplify analog sensing and communication. When designing with this part, note the 4.5 V to 5.5 V supply range of the 16 MHz M-grade: for 3.3 V systems, select the L-grade variant running at reduced clock, or the ATmega88PA family which supports 1.8 V operation. Decouple VCC and AVCC separately with 100 nF ceramic capacitors. This page synthesizes distributor pricing, drop-in alternatives, pinout and practical design notes not found in the manufacturer datasheet alone.

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ATMEGA8A-MUR

ATMEGA8A-MUR - AVR 8-bit MCU 16MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA8A-MUR is a high-performance, low-power 8-bit AVR RISC microcontroller delivering 16 MIPS at 16 MHz, with 8 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. A microcontroller unit (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 embedded systems hierarchy, the ATmega8A belongs to the 8-bit AVR ATmega family from Atmel (now Microchip Technology), positioned below the larger ATmega88/328/64 families while covering the classic low-pin-count embedded control space. Key features include the advanced RISC architecture with 130 powerful instructions, most executing in a single clock cycle, plus 32 general-purpose working registers. The device integrates three flexible timer/counters with compare modes, a 10-bit ADC with 6 multiplexed channels, a byte-oriented two-wire interface (I2C-compatible), an SPI serial port and a programmable USART. In-system programmable (ISP) flash with read-while-write support allows firmware updates in the final product. Architecturally, the AVR core uses a Harvard structure with separate program and data buses, enabling single-cycle instruction fetch and execution. The ATMEGA8A operates from 4.5 V to 5.5 V at the full 16 MHz grade, with power-saving modes including idle and power-down to extend battery life. Internal and external interrupt sources, a watchdog timer and an on-chip debug capability via debugWIRE-style ICSP tools complete the feature set. Typical applications include industrial control and automation nodes, motor and LED control, sensor interfaces and data loggers, home appliances, HVAC systems and hobby/embedded education platforms where the 10-bit ADC and serial ports simplify analog sensing and communication. When designing with this part, note the 4.5 V to 5.5 V supply range of the 16 MHz M-grade: for 3.3 V systems, select the L-grade variant running at reduced clock, or the ATmega88PA family which supports 1.8 V operation. Decouple VCC and AVCC separately with 100 nF ceramic capacitors. This page synthesizes distributor pricing, drop-in alternatives, pinout and practical design notes not found in the manufacturer datasheet alone.

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ATMEGA8A-PN

ATMEGA8A-PN - AVR 8-bit MCU 16MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA8A-PN is an 8-bit AVR ATmega microcontroller with 8KB In-System Programmable Flash, 512B EEPROM, 1KB SRAM, 23 general-purpose I/O lines, and a maximum clock speed of 16MHz, packaged in a 28-pin PDIP (0.300 inch, 7.62mm) through-hole package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die. The ATmega family is built on the AVR enhanced RISC architecture, which executes most instructions in a single clock cycle, achieving throughput close to 1 MIPS per MHz. This makes it a member of the broader hierarchy: MCU -> embedded microcontroller -> integrated circuit -> semiconductor. Key features include 8KB of self-programmable Flash with Read-While-Write support, three flexible Timer/Counters with compare modes, a hardware serial programmable USART, I2C (TWI) and SPI interfaces for connectivity, internal and external interrupt sources, and a 6-channel 10-bit ADC. Operating voltage spans 2.7V to 5.5V, and the PN suffix denotes the industrial temperature grade of -40C to +105C per distributor listings, giving headroom above the typical industrial spec. Architecturally, the AVR core provides 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction executed in one cycle. This single-cycle execution model is the reason AVR parts deliver near-linear MIPS-per-MHz efficiency compared with older 8051-class cores that need 6 to 12 cycles per instruction. Typical applications include hobbyist and educational boards (it is the classic Arduino-compatible target), small appliance and industrial control panels, sensor nodes reading analog inputs through its 10-bit ADC, and low-cost motor or relay control using the timer PWM outputs. Design consideration: because the PDIP package is through-hole, keep crystal traces short and decouple VCC/AVCC pins with 100nF ceramics; also note that migrating firmware to an ATmega88-class pin-compatible part requires interrupt vector remapping per Microchip application note AVR094. This page adds value beyond the datasheet by synthesizing distributor pricing history, pin-compatible ATmega alternatives, drop-in replacement guidance, and practical design notes in one citable reference.

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ATMEGA8A-PU

ATMEGA8A-PU - 8-bit AVR MCU 16MHz 8KB Flash DIP-28 | Microchip

The Microchip Technology ATMEGA8A-PU is an 8-bit AVR RISC microcontroller with 16 MHz max clock, 8KB In-System-Programmable Flash memory, and 1KB SRAM, housed in a 28-pin plastic DIP (PDIP) package with 0.1 inch lead pitch. It also integrates 512B of EEPROM and provides 23 general-purpose I/O lines. An 8-bit microcontroller (MCU) is a single-chip processor combining a CPU core, program and data memory, timers, and peripherals such as UART, SPI, and I2C. MCUs sit at the bottom of the embedded hierarchy (MCU -> embedded processor -> SoC) and are the standard choice for cost-sensitive control tasks where a full application processor is unnecessary. The AVR family uses a Harvard architecture with 32 x 8 general-purpose working registers and mostly single-cycle instruction execution. Key features include up to 16 MIPS throughput at 16 MHz, a 2-cycle on-chip hardware multiplier, 130 powerful instructions, three flexible timer/counters with compare modes, and read-while-write Flash for self-programming. Operating voltage is 4.5V to 5.5V, making the -PU speed grade ideal for robust 5V industrial designs. Technical depth: the advanced RISC pipeline executes most instructions in one clock cycle, while the hardware multiplier accelerates math-heavy control loops. Nonvolatile memory endurance of typically 10,000 write cycles for Flash supports field firmware updates via ISP (In-System Programming) through the SPI interface, and the 512B EEPROM retains calibration data through power cycles. Typical applications include 5V industrial control panels, hobby and educational embedded platforms such as Arduino-compatible boards, appliance motor control, and serial-bridge adapters using the built-in USART. Design consideration: this -PU speed grade is rated for 16 MHz only in the 4.5-5.5V range; below 4.5V use the L (low-voltage) grade parts such as ATMEGA8L-8PU. This page adds value beyond the datasheet by synthesizing distributor pricing tiers, drop-in alternatives in the same 28-PDIP footprint, practical design notes, and an alternatives comparison table useful for sourcing decisions.

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ATMEGA8HVA-4CKU

ATMEGA8HVA-4CKU - 8KB AVR MCU, 4MHz, 36-LGA | Microchip

The Microchip Technology ATMEGA8HVA-4CKU is an 8-bit AVR ATmega microcontroller with 8KB (4K x 16) in-system programmable FLASH, 512 bytes of SRAM, 256 bytes of EEPROM, a 4MHz core clock, and SPI connectivity, housed in a 36-pin LGA package measuring 6.5 x 3.5 mm. 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 -> SoC -> computing system). The AVR ATmega family from Atmel (now Microchip) uses an advanced RISC architecture with mostly single-cycle instruction execution, making it a popular choice for cost-sensitive embedded control. Key features of the ATMEGA8HVA-4CKU include the high-performance, low-power AVR 8-bit RISC core, 8KB of self-programmable FLASH program memory, a 5-channel 12-bit analog-to-digital converter for direct sensor interfacing, and SPI serial communication for peripheral expansion. The device supports a wide supply range with operation noted at 2.5V, 3.3V, and 5V rails in distributor parametric listings. From an architectural standpoint, the AVR core separates program and data buses (Harvard architecture), allowing most instructions to execute in a single clock cycle. This yields efficient MIPS-per-MHz performance, so a modest 4MHz clock is sufficient for many control loops, battery-monitoring tasks, and low-speed serial protocols. In-system programmability of the FLASH simplifies firmware updates in the field. Typical applications include battery-powered portable devices, sensor nodes using the integrated 12-bit ADC, low-cost industrial control boards, and SPI-based peripheral controllers. The compact 36-LGA footprint suits space-constrained PCB designs. When designing with this part, verify supply voltage and clock configuration against the official Microchip datasheet, as the HVA variant has device-specific operating ranges. Note that Octopart classifies this part as obsolete, so plan second-sourcing for new designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8HVA-4CKUR

ATMEGA8HVA-4CKUR - 8-bit AVR MCU 8KB Flash 36-LGA | Microchip

The Microchip (Atmel) ATMEGA8HVA-4CKUR is an 8-bit AVR RISC microcontroller with 8KB of ISP Flash memory, 512B EEPROM, 1KB SRAM, and a 4 MHz maximum clock speed, supplied in a 36-pin LGA (LGA-36) surface-mount package on tape and reel. It operates from 2.5V, 3.3V, or 5V supply rails and is part of the automotive-oriented ATmega HVA family. An 8-bit microcontroller (MCU) is an integrated circuit that combines a processor core, program memory, data memory, and peripherals on a single chip, forming the lowest tier of the embedded-system hierarchy (MCU -> embedded processor -> semiconductor). The AVR architecture uses a Harvard-structure, single-cycle RISC core, executing most instructions in one clock cycle, which gives high code efficiency for battery-powered and cost-sensitive control tasks. Key features of the ATMEGA8HVA-4CKUR include the AVR 8-bit RISC core at up to 4 MHz, 8KB self-programmable Flash, 512B of EEPROM for calibration data retention, 1KB of internal SRAM, and SPI plus LIN-relevant serial connectivity. The HVA variant integrates features aimed at automotive high-voltage environments, distinguishing it from generic ATmega8 commercial parts. Architecturally, the device belongs to the ATmega series with single-cycle I/O access, interrupt-driven peripheral operation, and in-system programmable Flash that permits firmware update after board assembly. Peripherals typical of the family include timers, 10-bit ADC stages, and serial interfaces; exact peripheral counts should be confirmed against the manufacturer datasheet. Typical applications include automotive LIN-bus nodes, battery-management and sensor-supervision modules, body-electronics control points, and industrial monitoring nodes where low supply-voltage flexibility (2.5V/3.3V/5V) and small LGA footprint matter. A key design consideration: this part is classified as obsolete, so new designs should not start on it; existing designs should plan migration to an active AVR part and verify footprint compatibility before layout reuse. This page synthesizes distributor listings, cross-reference comparisons, and lifecycle data not found in the manufacturer datasheet.

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ATMEGA8HVA-4TU

ATMEGA8HVA-4TU - 8KB AVR MCU 4MHz 28-TSOP | Microchip

The Microchip Technology ATMEGA8HVA-4TU is an 8-bit AVR ATmega microcontroller with 8KB (4K x 16) in-system programmable Flash, 512B EEPROM, 1KB SRAM, a 4MHz maximum clock, and a wide 1.8V to 9V supply range, housed in a 28-pin TSOP-I (0.465 inch / 11.80 mm width) package. An AVR microcontroller is an 8-bit RISC (Reduced Instruction Set Computing) MCU that belongs to the broader class of embedded processors within the power-management and control hierarchy of an electronic system. The AVR architecture executes most of its instructions in a single clock cycle, using a Harvard-architecture pipeline with separate program and data buses, which yields high code efficiency and deterministic real-time behavior. Key features of the ATMEGA8HVA-4TU include 130 powerful instructions with mostly single-cycle execution, 23 general-purpose I/O lines, SPI serial connectivity, and in-system programmable Flash that allows firmware updates without removing the device from the board. The 1.8V to 9V operating range is the standout parameter: it lets the MCU run directly from automotive batteries, 9V supplies, or low-voltage logic rails without an intermediate regulator. The 4MHz speed grade (suffix -4) balances performance against EMI and power consumption. Because the core runs at a modest clock, switching losses and radiated emissions stay low, which matters in electromagnetically noisy automotive and industrial environments. Typical applications include automotive LIN/local-interconnect network nodes, industrial sensor and actuator control, and low-power battery-operated systems where the wide supply range removes a regulator stage. Design consideration: this part is listed as obsolete in multiple distributor parametric databases, so plan a second-source or firmware-compatible successor before committing new designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8HVA-4TUR

ATMEGA8HVA-4TUR - AVR 8-Bit MCU 4MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA8HVA-4TUR is an 8-bit AVR ATmega microcontroller IC with a 4 MHz maximum clock speed, 8KB (4K x 16) of FLASH program memory, and a high-voltage tolerant peripheral set, housed in a 28-pin TSOP/TSSOP (0.465 inch, 11.80 mm width) surface-mount package supplied in tape and reel. A microcontroller unit (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and peripheral interfaces on one die. The AVR ATmega family from Microchip (originally Atmel) sits within the broader hierarchy of 8-bit microcontrollers used in embedded control, sitting above discrete logic and below 32-bit application processors. The AVR core combines a rich instruction set with 32 general-purpose working registers, all directly connected to the arithmetic logic unit, allowing single-cycle instruction execution. Key features of the ATMEGA8HVA-4TUR include the 8KB self-programmable FLASH organized as 4K x 16, a 4 MHz rated operating frequency suited to low-noise, low-EMI designs, and a high-voltage tolerant, open-drain IO pin that supports serial communication per the manufacturer datasheet. In-system programming is supported through 4 general-purpose IO ports that support SPI programming, allowing firmware updates on the assembled PCB without removing the device. Technical context: the HVA variant of the ATmega8 family was developed for applications that must interface with higher-voltage domains, such as automotive battery-connected nodes and sensor conditioning circuits, where a standard MCU pin would be damaged. The AVR architecture's single-cycle execution delivers roughly 1 MIPS per MHz, so at 4 MHz the device provides approximately 4 MIPS of processing throughput. Typical applications include automotive LIN-bus and body-electronics nodes, high-voltage sensor interfaces, battery management supervisory circuits, and industrial control modules that require SPI-programmable firmware in a compact 28-pin footprint. A key design consideration: this device is listed as obsolete by multiple distributor comparison services, so new designs should evaluate drop-in alternatives such as the ATMEGA16HVA-4TU (same 28-TSOP footprint, 16KB FLASH) or plan a redesign to an active AVR or PIC part. This page synthesizes distributor pricing signals, obsolescence status, drop-in alternative analysis, and practical design notes not found in a single manufacturer datasheet, giving engineers a complete sourcing and replacement picture in one place.

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ATMEGA8L-8AI

ATMEGA8L-8AI - AVR 8-bit MCU 8MHz 8KB Flash 32-TQFP | Microchip

The Microchip Technology ATMEGA8L-8AI is a low-power 8-bit AVR RISC microcontroller with 8KB self-programming Flash, 1KB SRAM, 512B EEPROM, and a 6/8-channel 10-bit ADC, operating at up to 8 MHz in a 32-pin TQFP (7x7 mm) industrial-temperature package. The -8AI suffix denotes the low-voltage L variant rated at 2.7V to 5.5V with industrial temperature range. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 130 instructions in a single clock cycle, delivering throughput approaching 1 MIPS per MHz. MCUs of this class sit at the entry level of the embedded microcontroller hierarchy and integrate CPU, program memory, data memory, timers, communication peripherals (SPI, TWI/I2C, UART), and analog-to-digital conversion on a single chip, replacing multi-chip solutions in cost-sensitive embedded control systems. Key features include the 8KB in-system self-programmable Flash with 10,000 write-cycle endurance, on-chip 2.7V to 5.5V operation for battery-powered designs, and a rich peripheral set: three PWM channels, two 8-bit timers plus one 16-bit timer, and both master and slave SPI and TWI interfaces. The AVR core is fully static, allowing clock frequencies down to DC for ultra-low-power operation. Architecture-wise, the ATmega8 couples 32 general-purpose working registers directly to the ALU, so a single instruction can execute an operation between two registers in one clock cycle. Six sleep modes, including Power-down and Power-save, reduce consumption to microamp levels, and a watchdog timer with separate on-chip oscillator adds system reliability. In-system programmability via SPI permits firmware updates after board assembly. Typical applications include industrial sensor nodes using the 10-bit ADC, battery-powered instrumentation exploiting the 1.8V-class L-family voltage range, motor and lighting control using the three PWM channels, and legacy consumer appliances. It fits designs where 8KB of code space and 8 MHz performance are sufficient at minimal cost. Design consideration: program the CKOPT and clock-source fuses correctly for the chosen crystal, since an incorrect fuse setting is the most common cause of a non-starting ATmega8 board. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet, per web data verified as of 2026-09-19.

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ATMEGA8L-8AU

ATMEGA8L-8AU - 8-Bit AVR MCU 8KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA8L-8AU is an 8-bit AVR RISC microcontroller with 8 KB of in-system programmable Flash, 1 KB SRAM, and 512 bytes EEPROM, operating at 8 MHz from a 2.7 V to 5.5 V supply in a 32-pin TQFP (7x7 mm) package. It delivers up to 8 MIPS throughput at 8 MHz and integrates 23 programmable I/O lines, an 8-channel 10-bit ADC, and dual 8-bit/16-bit timers. An AVR microcontroller is a Harvard-architecture 8-bit MCU that executes most instructions in a single clock cycle, combining Flash program memory, SRAM data memory, and EEPROM non-volatile storage on one die. Within the product hierarchy, the ATmega8L sits under AVR 8-bit microcontrollers, which fall under general-purpose MCUs, which are part of the broader embedded processor and semiconductor category. The 'L' suffix denotes the low-voltage 2.7-5.5 V version, while '8' indicates 8 MHz maximum clock and 'AU' the TQFP package with industrial temperature range. Key differentiators include 130 powerful instructions with most executing in a single clock cycle, 8 KB Flash with 10,000 write/erase cycles endurance, 512 bytes EEPROM with 100,000 cycles, and a programmable watchdog timer with on-chip oscillator. The device supports ISP programming via SPI and offers five sleep modes for power-sensitive designs. Architecturally, the ATmega8L uses a single-cycle RISC core with 32 general-purpose working registers directly connected to the ALU, achieving throughput approaching 1 MIPS per MHz. This allows system designers to optimize power consumption versus processing speed - a critical trade-off in battery-powered embedded systems. Typical applications include industrial control loops, IoT sensor nodes, motor control, metering equipment, embedded automation, and low-power board designs. The integrated 10-bit ADC and PWM channels make it well-suited for analog sensor interfacing and motor drive control without external components. When designing with the ATMEGA8L-8AU, ensure the decoupling capacitors are placed within 5 mm of the VCC pins and use a 16 MHz crystal or ceramic resonator only if the 8 MHz internal calibrated oscillator accuracy is insufficient. The internal RC oscillator eliminates external components for cost-sensitive designs. 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 procurement and design decisions.

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ATMEGA8L-8MC

ATMEGA8L-8MC - 8KB AVR MCU 8MHz 32-VQFN | Microchip

The Microchip Technology ATMEGA8L-8MC (originally Atmel) is a low-power 8-bit AVR RISC microcontroller with 8KB of In-System Programmable Flash, 1KB SRAM, and 512B EEPROM, running at up to 8MHz in a 32-pin VQFN (5x5 mm) package with exposed pad (32M1). A microcontroller (MCU) is a single-chip embedded computer that integrates a processor core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog-to-digital converters. The ATmega8 sits in the broader hierarchy of embedded processors: 8-bit microcontroller within the AVR family, itself a branch of the power-management-friendly RISC MCU category popularized by Atmel and now maintained by Microchip Technology. Key features include a 130-instruction AVR RISC core with mostly single-cycle execution delivering up to 8 MIPS at 8MHz, an 8-channel 10-bit ADC for direct sensor interfacing, and connectivity via I2C (TWI), SPI, and UART/USART. On-chip brown-out detection, power-on reset, PWM timers, and a watchdog timer reduce external component count and improve system reliability. Architecturally, the ATmega8 uses a Harvard-structure two-stage pipeline with 32 general-purpose working registers directly connected to the ALU, allowing most instructions to execute in one clock cycle. The 'L' suffix denotes the low-voltage variant (2.7V to 5.5V operation) while the '-8' speed grade caps clock frequency at 8MHz. Typical applications include industrial automation control nodes, consumer electronics such as appliances and remote controls, and automotive accessory systems where a low-cost, low-voltage MCU with integrated ADC is required. Its 23 general-purpose I/O pins cover sensing, actuation, and communication duties in compact designs. When designing with this device, note that the VQFN exposed pad should be soldered to a grounded land pattern for both thermal relief and mechanical robustness, and that the 8MHz speed grade must be respected when selecting crystals or the internal RC oscillator. This page synthesizes verified distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-19.

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ATMEGA8L-8MJ

ATMEGA8L-8MJ - 8MHz AVR MCU, 8KB Flash, 32-VQFN | Microchip

The Microchip Technology ATMEGA8L-8MJ is an 8-bit AVR RISC microcontroller with 8KB (4K x 16) of In-System Programmable FLASH, 512 bytes of EEPROM, 1KB of SRAM, 23 general-purpose I/O lines, an 8MHz maximum clock speed, and I2C, SPI, and UART/USART connectivity, housed in a 32-pin VFQFN exposed-pad (5x5 mm) package. Note: this part is listed as Obsolete by distributor data. 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 tier of the embedded computing hierarchy (MCU -> embedded processor -> system-on-chip). The ATmega8 family is part of the AVR line, a modified Harvard-architecture 8-bit RISC family originally developed by Atmel, now owned by Microchip Technology after their 2016 acquisition. The ATMEGA8L-8MJ executes 130 powerful instructions, most in a single clock cycle, achieving close to 1 MIPS per MHz. The L suffix denotes the low-voltage grade (operation below the standard 4.5V floor of the ATmega8), and the internal oscillator option removes the need for an external crystal in cost- or space-sensitive designs. On-chip peripherals include brown-out detection and reset, power-on reset, PWM outputs, and a watchdog timer. Architecturally, the device provides 32 general-purpose working registers directly connected to the ALU, three flexible Timer/Counters with compare modes, a byte-oriented Two-wire Serial Interface (I2C/TWI), a serial programmable USART, and SPI. A 6-channel ADC and Read-While-Write FLASH programming round out the feature set, per the Atmel ATmega8/L datasheet (Atmel-2486). Typical applications include industrial control nodes, sensor and instrumentation boards, hobby and educational embedded systems, and legacy replacement designs where a compact 5x5 mm QFN footprint and 3.3V-friendly operation are required. Design consideration: because this part is obsolete, new designs should target the ATmega8A family or pin-compatible successors, and existing BOMs should secure stock or qualify a drop-in alternative such as ATMEGA8L-8MU before layout freeze. This page synthesizes distributor cross-reference data, packaging details, drop-in alternative analysis, and practical sourcing guidance not found in the manufacturer datasheet.

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ATMEGA8L-8MU

ATMEGA8L-8MU - 8-Bit 8MHz 8KB MCU | Microchip Technology

The Microchip Technology ATMEGA8L-8MU is an 8-bit AVR RISC-based microcontroller with an 8 MHz maximum clock frequency, 8 KB of Flash program memory, 512 bytes of EEPROM, and 1 KB of SRAM, packaged in a 32-VQFN 5 mm × 5 mm package. It provides 23 general-purpose I/O pins and combines low-power operation with programmable in-system serial programming support. What is an 8-bit microcontroller? An 8-bit microcontroller is a programmable semiconductor that executes instructions using an 8-bit data path. The ATMEGA8L belongs to the AVR family, a RISC-based architecture designed for efficient embedded control. Its memory hierarchy includes Flash for firmware, SRAM for working data, and EEPROM for nonvolatile parameter storage, making it suitable for compact control, sensing, communications, and automation products. Key verified features include 8 KB of ISP Flash, read-while-write capability, 512 bytes of EEPROM, 1 KB of SRAM, 23 I/O lines, 32 general-purpose working registers, and three flexible timer/counters. The L designation identifies the low-power version, while the -8 speed grade and M package code indicate the 8 MHz and surface-mount configuration. The 32-VQFN package supports dense PCB layouts but requires careful thermal-pad and assembly planning. The device is based on a high-performance, low-power AVR 8-bit RISC core. Its memory arrangement allows firmware to be programmed and reprogrammed through ISP, while the peripheral set supports embedded timing, serial communication, analog comparison, and digital control tasks. Exact operating-voltage, current, temperature, timer-channel, and package-dimension values are not present in the supplied web data and should be confirmed from the official datasheet before design release. Typical applications include compact sensor controllers, low-cost industrial control modules, battery-operated instruments, LED and display controllers, communications equipment, and small automation systems. The 23 I/O lines provide useful connectivity for buttons, sensors, relays, indicators, and serial interfaces when the board design fits within the device’s electrical and timing limits. For PCB implementation, use the manufacturer’s recommended VQFN land pattern, provide a stable decoupling network close to the supply pins, and connect the exposed pad according to the datasheet’s thermal and layout guidance. Verify programming, clock, reset, and unused-pin requirements before production. This page combines verified distributor data, source links, application guidance, and explicitly marked data gaps rather than guessing unspecified electrical values.

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ATMEGA8L-8PC

ATMEGA8L-8PC - 8MHz AVR 8KB Flash MCU | Microchip

The Microchip Technology ATMEGA8L-8PC is an 8-bit AVR RISC microcontroller delivering up to 8 MIPS throughput at 8 MHz, with 8 KB of self-programming ISP Flash memory, 1 KB SRAM, and 512 bytes of EEPROM, housed in a 28-pin PDIP through-hole package. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as ADCs, timers, and serial interfaces onto one die. MCUs sit at the heart of the embedded systems hierarchy - embedded processor, microcontroller, system-on-chip - and the AVR ATmega family from Atmel (now Microchip Technology) is one of the most widely deployed 8-bit MCU architectures, famous as the heart of classic Arduino boards. Key features of the ATMEGA8L-8PC include the advanced AVR RISC architecture with 130 powerful instructions, most executing in a single clock cycle, 32 general-purpose working registers, and two 8-bit and one 16-bit timers/counters. Peripherals include a 6-channel 10-bit ADC, USI-class serial connectivity via SPI, TWI (I2C-compatible), and UART, plus an on-chip analog comparator. The L designation specifies low-voltage operation from 2.7V to 5.5V, making the device suitable for battery-powered designs. The -8 speed grade is rated to 8 MHz, and the P identifies the plastic 28-lead PDIP package while C denotes commercial temperature operation. In-system programmable Flash allows firmware updates without removing the device from the board. Technical depth: fully static operation, optional Brown-out Detection, internal calibrated RC oscillator (1/2/4/8 MHz), and external or internal clock sources provide flexible timing. Power management includes idle, ADC noise reduction, and power-down sleep modes for microamp-class standby current. Typical applications include hobbyist and educational embedded systems, low-cost industrial control, sensor acquisition boards using the 10-bit ADC, and legacy maintenance of AVR-based products. Design consideration: when replacing an ATMEGA8L-8PC with the newer ATMEGA8A, verify fuse settings and the internal RC oscillator calibration bytes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8L-8PI

ATMEGA8L-8PI - 8MHz AVR 8KB Flash MCU DIP-28 | Microchip

The Atmel (now Microchip Technology) ATMEGA8L-8PI is a low-power, 8-bit AVR RISC microcontroller with 8 KB of In-System Programmable (ISP) FLASH memory, 1 KB of SRAM, 512 bytes of EEPROM, and a maximum clock frequency of 8 MHz, housed in a 28-pin PDIP (PI) package rated for the industrial temperature range. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable peripherals into one package. The ATmega8 belongs to the AVR family of 8-bit microcontrollers, which sits within the broader hierarchy of embedded processors and semiconductor ICs. AVR cores execute most of their 130 instructions in a single clock cycle, delivering high code efficiency for general-purpose embedded control. Key features of the ATMEGA8L-8PI include the advanced AVR RISC architecture with 32 general-purpose working registers, a 10-bit ADC with 6 or 8 multiplexed channels, three timers (two 8-bit, one 16-bit with PWM), a hardware USART, SPI, and TWI (I2C) serial interfaces, plus programmable brown-out detection and internal calibrated RC oscillator. The device operates from 2.7 V to 5.5 V, which makes the L (low-voltage) grade suitable for both 3.3 V battery-powered designs and 5 V industrial systems. The '-8' speed grade guarantees correct operation up to 8 MHz across the full voltage range, while the 'I' suffix denotes the -40C to +85C industrial temperature rating, and the 'P' suffix identifies the through-hole 28-pin plastic DIP package for easy prototyping and low-volume production. Typical applications include industrial control boards, sensor nodes, hobby and educational platforms (including Arduino-compatible boards), home appliances, LED lighting controllers, and battery-powered instruments where the ADC and PWM peripherals simplify analog signal handling. Designers should note that the 8 MHz speed limit and 8 KB flash size are the main constraints; code-heavy projects may prefer the pin-compatible ATmega88 family. This page synthesizes verified distributor data, pin-compatible drop-in alternatives, pricing tiers, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-19.

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ATMEGA8L-8PJ

ATMEGA8L-8PJ - 8-bit AVR MCU 8MHz 8KB Flash 28-DIP | Microchip

The Microchip Technology ATMEGA8L-8PJ is an 8-bit AVR RISC microcontroller with 8KB (4K x 16) of In-System Programmable FLASH program memory, 1KB of SRAM, and a maximum clock frequency of 8MHz, packaged in a 28-pin PDIP (0.300-inch, 7.62mm) through-hole package. A microcontroller (MCU) is a single-chip embedded computer that combines a processor core, memory, and programmable peripherals on one die. The AVR ATmega family, originally developed by Atmel and now manufactured by Microchip Technology, sits within the broader taxonomy of embedded processors: MCU -> 8-bit MCU -> AVR core -> ATmega series. MCUs are the compute backbone of embedded systems, executing control loops, communication stacks, and sensor-signal processing in millions of products. Key features of the ATMEGA8L-8PJ include an AVR RISC core delivering close to 1 MIPS per MHz, 512 bytes of EEPROM for non-volatile parameter storage, and connectivity through I2C (Two-Wire Interface), SPI, and UART/USART peripherals. The integrated 6-channel, 10-bit analog-to-digital converter (ADC) with an optional internal 2.56V reference enables direct connection of analog sensors without an external converter. The -PJ grade operates from 2.7V to 5.5V, allowing battery- or USB-powered designs on a single supply rail. Architecturally, the AVR core uses a Harvard structure with separate program and data buses and 32 general-purpose working registers, giving single-cycle execution for most instructions and predictable real-time behavior valued in control applications. In-system programmability allows firmware updates on the assembled board via the SPI (ISP) header. Typical applications include industrial control boards, sensor nodes and data loggers, hobby and educational embedded platforms (Arduino heritage), and small home-automation or battery-powered devices. For design, note the 8MHz ceiling: use the internal RC oscillator or an external crystal, and keep GPIO loading within the 40mA absolute-maximum pin rating for reliability. This page adds value beyond the manufacturer datasheet by synthesizing distributor stock, drop-in alternatives, comparison tables, and practical design notes in one AI-citable reference.

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ATMEGA8L-8PU

ATMEGA8L-8PU - 8-bit AVR MCU, 8KB Flash 8MHz | Microchip

The Microchip Technology ATMEGA8L-8PU is an 8-bit AVR RISC microcontroller with 8KB (4K x 16) of In-System Programmable FLASH, 512B EEPROM, 1KB SRAM, and 23 general-purpose I/O lines, rated for 0 to 8 MHz operation and housed in a 28-pin PDIP package. An 8-bit microcontroller (MCU) is a single integrated circuit that contains a processor core, memory, and programmable peripherals, forming the lowest tier of the embedded processing hierarchy: MCU -> embedded processor -> microprocessor system. The AVR family, originally developed by Atmel and now owned by Microchip Technology, uses an advanced RISC Harvard architecture in which most instructions execute in a single clock cycle, delivering up to 16 MIPS throughput at maximum clock speed. Key features of the ATMEGA8L-8PU include 130 powerful instructions with mostly single-cycle execution, 32 general-purpose working registers, a fully static design, three flexible timer/counters with compare modes, and an internal 8-channel 10-bit A/D converter (6 channels on the PDIP package). The low-voltage L variant operates from 2.7V to 5.5V, making it suitable for battery-powered designs, with power-down mode current in the microampere range. Technically, the device combines read-while-write ISP FLASH with on-chip debugging support via the SPI serial interface, plus a two-wire (I2C-compatible) interface, USART, and SPI peripherals. The AVR core executes from a single-level pipeline, keeping interrupt latency short and deterministic for real-time tasks. Typical applications include hobbyist and educational boards (the part was long used in Arduino-class hardware), industrial sensor nodes, low-cost motor control, home automation, and small consumer appliances where 8KB of code space is sufficient. Design consideration: choose the crystal frequency conservatively - the L-suffix part is limited to 8 MHz; overclocking above the rated speed grade violates the datasheet and reduces reliability across the 2.7V to 5.5V range. This page adds value beyond the manufacturer datasheet by consolidating distributor pricing, drop-in replacement cross-references, pinout data, and practical design guidance in one place.

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ATMEGA8U2-AU

ATMEGA8U2-AU - 16MHz 8-bit AVR USB MCU 8KB Flash TQFP-32

The Microchip Technology ATMEGA8U2-AU is an 8-bit AVR RISC-based microcontroller with integrated full-speed USB 2.0 transceiver, 8KB in-system programmable Flash, 512B EEPROM, and 512B SRAM, operating at up to 16 MHz and housed in a 32-pin TQFP (7x7 mm) package. The device combines 22 general-purpose I/O lines, 32 working registers, two flexible 16-bit timer/counters, USB Full-Speed (12 Mbps) device interface, USART, SPI, and a 10-bit ADC. Core supply operates from 2.7V to 5.5V, while the USB transceiver can run from the internal 3.3V regulator or an external supply. An AVR (Advanced Virtual RISC) microcontroller is a family of 8-bit RISC cores from Microchip (formerly Atmel) featuring single-cycle instruction execution, a large register file, and Harvard architecture with separate program and data buses. The ATmega family sits at the top of the AVR 8-bit hierarchy, between the ATtiny series (smaller pin counts, less memory) and the AVR XMEGA family (higher performance, 16-bit peripherals). The USB-enabled U2 sub-family adds a built-in full-speed USB transceiver and dedicated endpoint RAM, making these parts the go-to choice for HID, CDC, and vendor-class USB devices where a separate FTDI or CP210x bridge would otherwise be required. Key features of the ATMEGA8U2-AU include hardware USB Full-Speed (12 Mbps) with on-chip transceiver and 176 bytes of dedicated endpoint RAM; 8KB Flash with read-while-write support for bootloader updates; 512B EEPROM and 512B SRAM; six PWM channels, 10-bit ADC, two USARTs (one shared with USB), SPI, and TWI (I2C) peripherals; programmable watchdog timer with internal oscillator; and full -40C to +85C industrial operating range. The TQFP-32 (7x7 mm, 0.8 mm pitch) package is hand-solderable and easy to prototype on TQFP adapter boards. The ATmega8U2 uses a 2-stage pipelined Harvard architecture with 130 instructions, most executing in a single clock cycle at 16 MHz (16 MIPS peak). The on-chip PLL-less USB transceiver uses a 48 MHz internal PLL referenced from an external 8 MHz crystal with specific loading requirements, and the core clock can be derived from the same crystal or the internal 8 MHz RC oscillator. The boot loader section is lockable and can self-program the application Flash via USB, HID, or UART, enabling field-upgradeable firmware without an external programmer. Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB CDC virtual COM ports replacing external bridges, Arduino Uno and Mega 2560 USB interface MCU (this is the original 8U2 used on those boards before the 16U2 update), MIDI USB adapters, and industrial USB sensor nodes. The 16 MIPS performance and USB 2.0 Full-Speed compliance cover most low-bandwidth USB device classes. When designing with the ATMEGA8U2-AU, ensure the USB D+/D- traces are 90-ohm differential and length-matched, place the 22 ohm series termination resistors close to the MCU pins, and use a crystal that meets the USB-clock accuracy spec. For bus-powered designs, the internal 3.3V regulator can supply up to 50 mA to external circuitry; for higher loads, use an external LDO. This page synthesizes distributor pricing, drop-in same-package alternatives (notably the higher-flash ATMEGA32U2-AU), and practical design notes not found in the manufacturer datasheet alone, so engineers can pick the right U2 part number and source it without redesigning their PCB.

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ATMEGA8U2-MU

ATMEGA8U2-MU - 8KB Flash 16MHz AVR USB MCU | Microchip (Tape & Reel)

The Microchip Technology ATMEGA8U2-MU is an 8-bit AVR ATmega microcontroller with 8KB ISP Flash memory, 16 MHz maximum clock frequency, and an integrated full-speed USB 2.0 controller, housed in a 32-pin VQFN (5x5 mm) package with exposed pad. It combines 512B EEPROM, 512B SRAM, and 22 general-purpose I/O lines in a compact surface-mount footprint. A microcontroller (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 systems hierarchy: MCU -> embedded processor -> microprocessor-based system. The ATmega8U2 belongs to the AVR 8-bit RISC family, originally developed by Atmel and now manufactured by Microchip Technology following the 2016 acquisition. Key features include an Advanced RISC architecture with 125 powerful instructions, most executed in a single clock cycle; an on-chip USB controller supporting full-speed 12 Mbps operation; SPI, USART, and USB connectivity options; two flexible timer/counters with compare modes and PWM; and a programmable watchdog timer. The read-while-write Flash capability allows in-system self-programming for field firmware updates. The AVR core executes from an 8KB (4K x 16) Flash array while the built-in USB bootloader enables firmware loading without an external programmer in many designs. Operation spans the industrial temperature range, and the VQFN exposed-pad package provides good thermal and electrical performance for space-constrained designs. Typical applications include USB-to-serial bridge conversion (the ATmega8U2 famously serves as the USB interface chip on Arduino UNO boards), USB HID devices such as keyboards and game controllers, embedded industrial control, and consumer peripherals requiring a low-cost USB-capable MCU. Design consideration: the 8KB Flash and 512B SRAM impose tight budget constraints; use the USB bootloader judiciously and monitor RAM usage for USB endpoint buffers to avoid stack overflow in firmware. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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ATMEGA8U2-MUR

ATMEGA8U2-MUR - 8KB Flash 16MHz AVR USB MCU | Microchip

The Microchip Technology ATMEGA8U2-MUR is an 8-bit AVR ATmega microcontroller with 8KB ISP Flash memory, 16 MHz maximum clock frequency, and an integrated full-speed USB 2.0 controller, housed in a 32-pin VQFN (5x5 mm) package with exposed pad. It combines 512B EEPROM, 512B SRAM, and 22 general-purpose I/O lines in a compact surface-mount footprint. A microcontroller (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 systems hierarchy: MCU -> embedded processor -> microprocessor-based system. The ATmega8U2 belongs to the AVR 8-bit RISC family, originally developed by Atmel and now manufactured by Microchip Technology following the 2016 acquisition. Key features include an Advanced RISC architecture with 125 powerful instructions, most executed in a single clock cycle; an on-chip USB controller supporting full-speed 12 Mbps operation; SPI, USART, and USB connectivity options; two flexible timer/counters with compare modes and PWM; and a programmable watchdog timer. The read-while-write Flash capability allows in-system self-programming for field firmware updates. The AVR core executes from an 8KB (4K x 16) Flash array while the built-in USB bootloader enables firmware loading without an external programmer in many designs. Operation spans the industrial temperature range, and the VQFN exposed-pad package provides good thermal and electrical performance for space-constrained designs. Typical applications include USB-to-serial bridge conversion (the ATmega8U2 famously serves as the USB interface chip on Arduino UNO boards), USB HID devices such as keyboards and game controllers, embedded industrial control, and consumer peripherals requiring a low-cost USB-capable MCU. Design consideration: the 8KB Flash and 512B SRAM impose tight budget constraints; use the USB bootloader judiciously and monitor RAM usage for USB endpoint buffers to avoid stack overflow in firmware. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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ATMEGAS64M1-KH-SV

ATMEGAS64M1-KH-SV - 64KB Rad-Tolerant AVR MCU | Microchip

The Microchip Technology ATMEGAS64M1-KH-SV is a radiation-tolerant 8-bit AVR RISC microcontroller combining 64KB of ISP flash memory with read-while-write capability, 2KB of EEPROM, and 4KB of SRAM, executing at up to 8 MHz in a 32-lead CQFP (ceramic quad flat pack) package. A microcontroller (MCU) is a single-chip embedded computer integrating a processor core, program and data memory, and peripherals such as timers, communication interfaces, and converters. Within this hierarchy, the ATmegaS64M1 sits in the 8-bit AVR ATmega family, itself a member of the broader microcontroller and embedded processing semiconductor category used across aerospace, industrial, and consumer electronics. Key features include near-1 MIPS-per-MHz throughput from the AVR enhanced RISC architecture, an integrated CAN controller for robust bus communication, a 10-channel 10-bit ADC and a 10-bit DAC, a 12-bit Power Stage Controller (PSC) for motor drive applications, plus SPI, UART, and 8-bit/16-bit timers with PWM. These peripherals allow a single low-power device to close control loops and communicate on vehicular or spacecraft buses without external companion ICs. Technically, the ATmegaS64M1 is the radiation-tolerant version of the popular commercial ATmega64M1. It has been developed and manufactured according to the stringent requirements of MIL-PRF-38535 and aerospace specification AEQA0239, with quality and reliability verified through qualification compliant with MIL-PRF-38535 and MIL-STD-883. The ceramic CQFP package and space quality grade address enhanced radiation tolerance, extended temperature, and increased reliability for critical aerospace applications. Typical applications include satellite motor control, remote terminal units, reaction wheel and valve control, CAN-based spacecraft subsystem communication, and other New Space missions that require a small footprint, low power, and rad-tolerant behavior at lower cost than rad-hard devices. Design consideration: the 8 MHz maximum clock keeps throughput modest (roughly 8 MIPS), so algorithm-heavy workloads should be sized carefully, but the single-cycle instruction set and integrated PSC deliver excellent real-time motor-control latency at very low power. This page synthesizes verified distributor data, drop-in family alternatives, and aerospace qualification context not found on distributor listings alone.

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ATMXT112S-MAUR

ATMXT112S-MAUR - 112-Node maXTouch Touch Controller | Microchip

The Microchip Technology ATMXT112S-MAUR is a maXTouch S-Series capacitive touchscreen controller IC with 112 mutual-capacitance sensing nodes, housed in a 32-pin UQFN (4x4 mm) package. It supports screens up to 3.5 inches and delivers smartphone-grade multi-touch performance with integrated noise mitigation for operation in noisy environments. A capacitive touch controller is a mixed-signal IC that measures tiny capacitance changes on a touch sensor grid, converts them into touch coordinates, and communicates them to a host processor. In the system hierarchy, a touchscreen controller sits between the touch sensor (ITO pattern on glass or film) and the host MCU or application processor, forming part of the human-machine interface subsystem alongside display drivers and haptic feedback devices. Key features of the ATMXT112S-MAUR include its 112-node sensing matrix for dense electrode layouts, the maXTouch S-Series architecture optimized for small displays up to 3.5 inches, and an advanced noise mitigation system that rejects interference from display drivers and chargers. The device integrates acquisition logic and post-processing, offloading touch detection from the host CPU. Technically, the maXTouch S-Series uses a proprietary acquisition engine with mutual-capacitance scanning and built-in self-calibration. Configuration data is stored on-chip in nonvolatile memory, and communication with the host uses an I2C-compatible interface. The device supports moisture and gloved-finger handling modes and provides robust reporting rates for responsive user interfaces. Typical applications include feature phone touchscreens, handheld game consoles, digital still cameras, portable GPS navigation devices, and small industrial HMI panels. Any battery-powered product with a 3.5-inch or smaller capacitive display benefits from the low-power touch wake-up and high noise immunity. Design consideration: because touch performance depends strongly on the sensor pattern and panel stack-up, use Microchip's maXTouch configuration tooling and reference sensor designs; improper grounding near display VCOM lines is the most common source of false touches. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMXT1386-Z2UIR

ATMXT1386-Z2UIR - maXTouch 1386-Node Touch Controller | Microchip

The Microchip Technology ATMXT1386-Z2UIR is a capacitive touch screen controller from the maXTouch product platform, implementing a 1386-node multi-chip solution (4 chips) that combines charge-transfer acquisition technology with a powerful 32-bit AVR microcontroller core. It is supplied in a 64-terminal HVQCCN (LCC64) surface-mount package. A capacitive touch controller is an interface IC that measures changes in capacitance across a touch sensor grid, converts those measurements into touch coordinates, and communicates them to a host processor. Within the semiconductor hierarchy it sits under data acquisition ICs, specifically touch screen converters and controllers, and forms part of the broader human-machine interface (HMI) signal chain that includes the sensor glass, the controller IC, and the host firmware. Key differentiating features include the 1386-node acquisition capacity, which supports large-format touch panels with many simultaneous sensing channels; the multi-chip architecture that lets four devices cooperate on a single panel; and the integrated 32-bit AVR processing that performs filtering and gesture detection on-chip, reducing host CPU load. The maXTouch platform firmware can be updated in-system, enabling tuning for different glass stack-ups. The charge-transfer acquisition technique offers strong signal-to-noise performance against display noise, which is important for designs where the touch sensor is integrated into or placed close to an LCD. On-chip AVR computation allows advanced touch features such as multi-touch tracking, palm rejection, and moisture compensation depending on the configured firmware. Typical applications include industrial HMI touch panels, large-format touch screens for appliances and kiosks, medical equipment control surfaces, and embedded systems requiring robust multi-touch input on medium-to-large sensor arrays. A key design consideration is that this device has been discontinued by Microchip; the manufacturer officially recommends the ATMXT1066T2 touch controller as the alternative for new designs, so availability should be confirmed before committing to a BOM. This page synthesizes distributor listings, manufacturer product-page data, and cross-reference findings, including drop-in-replacement guidance and procurement notes not found in the manufacturer datasheet.

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ATMXT1386E-Z2U

ATMXT1386E-Z2U - maXTouch 1386-Node Touch Controller | Microchip

The Microchip Technology ATMXT1386E-Z2U is a capacitive touchscreen controller from the maXTouch product platform, implementing a 1386-node multi-chip solution built from four chips. It combines Atmel's patented QMatrix charge-transfer capacitive sensing method with a powerful 32-bit AVR microcontroller, and supports up to 16 simultaneous touches with fast response time. A capacitive touchscreen controller is a type of sensor interface IC that measures mutual capacitance changes across a touch sensor grid, classifies and tracks finger touches, and reports coordinates to a host processor. Within the system hierarchy, it sits in the signal chain between the touch sensor (a patterned ITO or similar electrode layer on the display) and the host MCU or application processor, forming part of the broader human-machine interface (HMI) subsystem. Key features include the 1386 mutual-capacitance node count, which suits medium-to-large touch panels; the patented charge-transfer acquisition engine, which delivers high signal-to-noise measurement accuracy; and multi-touch tracking of up to 16 touches. The high-performance architecture enables fast response and unlimited-touch reporting up to the 16-touch limit, making the device suitable for demanding interactive displays. Technically, the mXT1386E uses a unique charge-transfer acquisition engine implementing the QMatrix capacitive sensing method patented by Atmel. Coupled with a state-of-the-art 32-bit AVR CPU, the entire touchscreen sensing solution can measure, classify and track finger touches with a high degree of accuracy. As a multi-chip (4-chip) solution, the family coordinates sensing across the node array within one firmware-managed platform. Typical applications include tablet and e-reader touchscreens, industrial HMI panels, and consumer electronics displays requiring robust multi-touch performance with gloved-hand and noise immunity characteristic of the maXTouch platform. Design consideration: this part is a multi-chip solution, so verify board space, mechanical stacking and firmware/configuration compatibility against the replacement controller before redesign. Note that Microchip has officially recommended the ATMXT1066T2 as the alternative touch controller for this family. This page synthesizes distributor sourcing data, the manufacturer-recommended replacement, and practical design notes not found in the manufacturer datasheet.

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Subkategorya

Mga Produkto (39,000+)

ATMEGA8A-MU - AVR 8-bit MCU 16MHz 8KB Flash | Microchip (Tape & Reel)

ATMEGA8A-MUR - AVR 8-bit MCU 16MHz 8KB Flash | Microchip

ATMEGA8A-PN - AVR 8-bit MCU 16MHz 8KB Flash | Microchip

ATMEGA8A-PU - 8-bit AVR MCU 16MHz 8KB Flash DIP-28 | Microchip

ATMEGA8HVA-4CKU - 8KB AVR MCU, 4MHz, 36-LGA | Microchip

ATMEGA8HVA-4CKUR - 8-bit AVR MCU 8KB Flash 36-LGA | Microchip

ATMEGA8HVA-4TU - 8KB AVR MCU 4MHz 28-TSOP | Microchip

ATMEGA8HVA-4TUR - AVR 8-Bit MCU 4MHz 8KB Flash | Microchip

ATMEGA8L-8AI - AVR 8-bit MCU 8MHz 8KB Flash 32-TQFP | Microchip

ATMEGA8L-8AU - 8-Bit AVR MCU 8KB Flash 8MHz | Microchip

ATMEGA8L-8MC - 8KB AVR MCU 8MHz 32-VQFN | Microchip

ATMEGA8L-8MJ - 8MHz AVR MCU, 8KB Flash, 32-VQFN | Microchip

ATMEGA8L-8MU - 8-Bit 8MHz 8KB MCU | Microchip Technology

ATMEGA8L-8PC - 8MHz AVR 8KB Flash MCU | Microchip

ATMEGA8L-8PI - 8MHz AVR 8KB Flash MCU DIP-28 | Microchip

ATMEGA8L-8PJ - 8-bit AVR MCU 8MHz 8KB Flash 28-DIP | Microchip

ATMEGA8L-8PU - 8-bit AVR MCU, 8KB Flash 8MHz | Microchip

ATMEGA8U2-AU - 16MHz 8-bit AVR USB MCU 8KB Flash TQFP-32

ATMEGA8U2-MU - 8KB Flash 16MHz AVR USB MCU | Microchip (Tape & Reel)

ATMEGA8U2-MUR - 8KB Flash 16MHz AVR USB MCU | Microchip

ATMEGAS64M1-KH-SV - 64KB Rad-Tolerant AVR MCU | Microchip

ATMXT112S-MAUR - 112-Node maXTouch Touch Controller | Microchip

ATMXT1386-Z2UIR - maXTouch 1386-Node Touch Controller | Microchip

ATMXT1386E-Z2U - maXTouch 1386-Node Touch Controller | Microchip