ATMEGA168V-10MU - 8-bit AVR MCU 16KB Flash 10MHz QFN-32 | Microchip
部品番号: ATMEGA168V-10MU ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.88 | $28.80 |
| 100 | $2.52 | $252.00 |
| 500 | $2.24 | $1,120.00 |
| 1,000 | $1.95 | $1,950.00 |
ATMEGA168V-10MU 概要
An 8-bit AVR microcontroller is a Harvard-architecture single-chip computer that executes most of its 133 powerful instructions in a single clock cycle. Within the power-management hierarchy, MCUs like the ATmega168 family integrate CPU, program memory, data memory, timers, ADC, and communication peripherals into one silicon die, replacing multi-chip discrete solutions.
Key features include 16KB of self-programmable flash with read-while-write capability, an 8-channel 10-bit ADC, three flexible timer/counters, and debugWIRE on-chip debugging. The 32 general-purpose working registers are directly connected to the ALU, enabling one-cycle execution and code efficiency up to ten times faster than conventional CISC MCUs.
The advanced RISC CMOS architecture combines a six-stage pipeline-free single-cycle instruction fetch with fast register access. ISP (In-System Programming) via the SPI serial port allows firmware updates after assembly. The V-variant grade guarantees operation down to 1.8V, where competing 2.7V-minimum devices cannot run, at the cost of a 10 MHz (versus 20 MHz) maximum clock.
Typical applications include battery-powered sensor nodes, consumer appliance control, industrial monitoring, and hobby/embedded products such as Arduino-compatible boards, where wide voltage tolerance and rich analog peripherals are valued.
Design consideration: at 1.8V operation, keep the system clock at or below the graded 10 MHz limit and verify ADC reference stability; the MLF package requires a solid ground-via array under the exposed pad for reliable grounding and thermal performance.
This page adds value beyond the Microchip datasheet by synthesizing distributor availability, drop-in successor comparisons (ATMEGA168A/PB families), and practical design notes in one place.
ドロップイン代替品: ATMEGA168V-10MU — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: ATMEGA168V-10MU （同一形状・フットプリント） — 相違点: Package, Timers/Counters, Operating Temperature, RoHS Status, Communication Interfaces.
クイック比較ツール — 並列比較する代替部品を選択:
ATMEGA168A-MU
✅ ドロップイン✓ 在庫あり
$1.38 / 個
データシートを見る →ATMEGA168PV-10MU
✅ ドロップイン✓ 在庫あり
$2.35 / 個
データシートを見る →ATMEGA168PA-MU
✅ ドロップイン✓ 在庫あり
$1.72 / 個
データシートを見る →ATMEGA168PB-MU
✅ ドロップイン✓ 在庫あり
$1.31 / 個
データシートを見る →ATMEGA168P-20MUR
✅ ドロップイン✓ 在庫あり
$1.58 / 個
データシートを見る →ATMEGA168V-10MU 最大定格＆電気的特性
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 10 MHz |
| Program Memory Type | FLASH |
| Program Memory Size | 16 KB (8K x 16) |
| EEPROM Size | 512 B |
| RAM Size | 1 KB |
| Supply Voltage Range | 1.8 V to 5.5 V |
| Number of I/O | 23 |
| ADC Resolution | 10-bit |
| ADC Channels | 8 |
| Timers/Counters | 3 |
| Connectivity | I2C, SPI, UART/USART |
| Oscillator Type | Internal |
| 動作温度 | -40C to +85C |
| 実装タイプ | Surface Mount |
| パッケージ | 32-VQFN (5x5 mm) |
| Debug Facility | debugWIRE |
| Programming | In-System Programmable (ISP), read-while-write |
| RoHS ステータス | Compliant |
ATMEGA168V-10MU ピン構成
| ピン 1 | PD3 — Port D, bit 3 (GPIO / OC2B PWM) |
| ピン 2 | PD4 — Port D, bit 4 (GPIO / XCK / T0) |
| ピン 3 | GND — Ground |
| ピン 4 | VCC — Digital supply voltage |
| ピン 5 | GND — Ground |
| ピン 6 | VCC — Digital supply voltage |
| ピン 7 | PB6 — Port B, bit 6 (XTAL1 / TOSC1) |
| ピン 8 | PB7 — Port B, bit 7 (XTAL2 / TOSC2) |
| ピン 9 | PD5 — Port D, bit 5 (GPIO / OC0B / T1) |
| ピン 10 | PD6 — Port D, bit 6 (GPIO / OC0A / AIN0) |
| ピン 11 | PD7 — Port D, bit 7 (GPIO / AIN1) |
| ピン 12 | PB0 — Port B, bit 0 (GPIO / ICP1 / CLKO) |
| ピン 13 | PB1 — Port B, bit 1 (GPIO / OC1A) |
| ピン 14 | PB2 — Port B, bit 2 (GPIO / OC1B / SS) |
| ピン 15 | PB3 — Port B, bit 3 (GPIO / OC2A / MOSI) |
| ピン 16 | PB4 — Port B, bit 4 (GPIO / MISO) |
| ピン 17 | PB5 — Port B, bit 5 (GPIO / SCK) |
| ピン 18 | AVCC — ADC supply voltage |
| ピン 19 | ADC6 — ADC input channel 6 |
| ピン 20 | AREF — Analog reference voltage |
| ピン 21 | GND — Ground |
| ピン 22 | ADC7 — ADC input channel 7 |
| ピン 23 | PC0 — Port C, bit 0 (ADC0 / SCL) |
| ピン 24 | PC1 — Port C, bit 1 (ADC1 / SDA) |
| ピン 25 | PC2 — Port C, bit 2 (ADC2) |
| ピン 26 | PC3 — Port C, bit 3 (ADC3) |
| ピン 27 | PC4 — Port C, bit 4 (ADC4 / SDA) |
| ピン 28 | PC5 — Port C, bit 5 (ADC5 / SCL) |
| ピン 29 | PC6 — Port C, bit 6 (RESET, active low) |
| ピン 30 | PD0 — Port D, bit 0 (GPIO / RXD) |
| ピン 31 | PD1 — Port D, bit 1 (GPIO / TXD) |
| ピン 32 | PD2 — Port D, bit 2 (GPIO / INT0) |
主な用途
ATMEGA168V-10MU の用途: 6 件s: Battery-Powered Sensor Nodes, Industrial Monitoring and Control, Consumer Appliance Control, Hobby and Arduino-Compatible Boards, Portable Medical and Wellness Devices, Automotive Aftermarket and Telematics Accessories.
Battery-Powered Sensor Nodes
The ATMEGA168V-10MU fits battery-powered sensor nodes because its V-grade 1.8V to 5.5V supply range allows direct operation from two alkaline cells (approximately 3V) without a regulator, and the AVR sleep modes (power-down, power-save) cut current to microamp levels between wakeups. In a typical node, the internal 8 MHz RC oscillator clocks the core while the 10-bit ADC samples a sensor via ADC0-ADC7, and data is transmitted over UART or SPI to a radio module. Because the 16KB flash supports read-while-write, logged data can be stored in the remaining flash or the 512B EEPROM between transmissions, reducing component count and extending battery life in the field.
おすすめ
Industrial Monitoring and Control
In industrial monitoring panels, the ATMEGA168V-10MU provides a low-cost control core with 23 GPIO lines driving relays, LEDs, and optocoupler inputs, while the I2C and SPI interfaces connect to EEPROM, RTC, and ADC expanders. Its -40C to +85C industrial temperature rating and watchdog timer with separate oscillator support unattended operation, and the debugWIRE single-wire interface enables in-circuit firmware diagnosis without sacrificing pins. The 10-bit ADC with internal 1.1V or AVCC references monitors supply rails and analog sensors such as 4-20 mA-conditioned signals. Because the exposed-pad QFN-32 grounds through a via array, ground bounce from relay switching stays manageable when decoupling follows the datasheet layout guidance.
おすすめ
Consumer Appliance Control
Consumer appliances such as coffee makers, fans, and small HVAC controllers use the ATMEGA168V-10MU for its cost efficiency and rich timer set: two 8-bit and one 16-bit timer with PWM outputs directly drive triac triggers, MOSFET gates for motor speed control, and LED dimming. The internal RC oscillator removes the crystal BOM cost in non-timing-critical products, and the 1.8V to 5.5V supply tolerance accepts cheap linear supplies with wide ripple. UART or I2C links to touch controllers and segment displays, while the 16KB flash accommodates feature-rich firmware with menus and diagnostics. EOL risk is mitigated by the pin-identical ATMEGA168A/PB successors.
おすすめ
Hobby and Arduino-Compatible Boards
The ATmega168 family is historically the core of Arduino-compatible boards, and the ATMEGA168V-10MU remains popular in DIY and educational designs because it is programmable through the Arduino IDE bootloader occupying only 2KB of its 16KB flash. With a 16 MHz-capable sibling or at its native 10 MHz using an external crystal, boards expose 14 digital I/O (six PWM) and six analog inputs in familiar shield-compatible mappings. ISP headers permit bootloader reflashing, and debugWIRE supports single-wire debugging in Atmel Studio. Builders running the board from USB 5V or 3.3V coin cells both work within the 1.8V-5.5V range, making it a flexible teaching and prototyping platform.
おすすめ
Portable Medical and Wellness Devices
Portable wellness products such as thermometers, glucose meters, and pulse monitors benefit from the ATMEGA168V-10MU's low-voltage operation, 10-bit ADC with gain-selectable differential inputs for bridge and biosignal front ends, and power-save modes that extend coin-cell life. The 1.8V floor lets designers run directly from a single lithium coin cell with a boost-free topology in 3V designs. The 512B EEPROM stores calibration constants that survive battery replacement, and the internal bandgap reference plus ADC noise-reduction sleep mode improves measurement repeatability in noisy motorized environments. Note that this part is not AEC-Q104/medical-certified; system-level validation and redundancy are the designer's responsibility.
おすすめ
Automotive Aftermarket and Telematics Accessories
Non-safety automotive accessories - dash cameras, TPMS displays, aftermarket lighting controllers - use the ATMEGA168V-10MU where its wide 1.8V to 5.5V input tolerates load-dump-conditioned rails after external protection, and its -40C to +85C rating covers cabin and engine-bay-adjacent environments. PWM timers drive LED heads and fan channels; the ADC reads battery voltage and NTC temperature sensors; and LIN-like single-wire UART schemes can be implemented in software. For designs requiring formal AEC-Q100-qualified silicon, migrate instead to Microchip's automotive-qualified AVR grades; for accessory-level products, the V-10 plus discrete protection (TVS, polyfuse) is a cost-effective, field-proven solution.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ATMEGA168V-10MU — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ATMEGA168A-MU | ATMEGA168PV-10MU | ATMEGA168PA-MU | ATMEGA168PB-MU | ATMEGA168P-20MUR |
|---|---|---|---|---|---|---|
| Package | 32-VQFN (5x5 mm) | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock Speed | 10 MHz | up to 20 MHz (grade dependent) | 10 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Timers | 3 | 3 | 3 | 3 | 5 | 3 |
| Low-Power Technology | Standard die | A-revision die | picoPower | picoPower | picoPower | picoPower |
主な差別化要因
- Lowest voltage grade in the ATmega168 family （vs ATMEGA168A-MU)
- Lowest active-power option at matched throughput （vs ATMEGA168PA-MU)
- Legacy die behavior guaranteed for qualified BOMs （vs ATMEGA168PB-MU)
設計ノート
The 32-VQFN/MLF exposed pad on the ATMEGA168V-10MU is the primary ground connection for the die - it is not optional. Place a 3x3 or 4x4 via array under the center pad to the ground plane to guarantee grounding and improve thermal relief. Per Microchip application guidance for MLF packages, solder the exposed pad as well as the perimeter pins; leaving it unsoldered is a common cause of intermittent resets and ADC noise. Keep the crystal (if used) within 10 mm of pins 7/8 with short ground returns.
Decouple each VCC pin (pins 4 and 6) and AVCC (pin 18) with 100 nF ceramic capacitors placed within 3 mm of the pin, plus one bulk 4.7-10 uF per supply rail. AVCC must be connected to VCC even if the ADC is unused, and should be filtered through an LC or RC network (for example 10 ohm + 1 uF) in precision analog designs to keep ADC ENOB close to the 10-bit datasheet figure. Do not exceed 5.5V; below 1.8V the internal reset circuit will hold the device in reset.
The ATMEGA168V-10MU is limited to 10 MHz by its voltage/speed grade - do not fit a 16 MHz crystal as used on standard ATmega168 boards, or timing, UART baud rates, and bootloader behavior will be wrong. When migrating to ATMEGA168A/PV/PA/PB drop-ins, re-verify fuse settings (clock source, BOD level, JTAG disabled on PB4-PB7 for the 32-pin parts) because factory defaults differ between die revisions. debugWIRE shares pin 29 with RESET; disable it before programming with a parallel HV programmer if lockout occurs.
コンプライアンス情報
RoHS compliance and lead-free assembly per distributor listings for Microchip ATmega168 family; REACH and conflict-minerals status not stated in provided data.
