Microchip Technology ATMEGA645V-8AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.64 | $7.64 |
| 15+ | $7.40 | $111.00 |
| 25+ | $7.24 | $181.00 |
| 50+ | $6.83 | $341.50 |
| 100+ | $6.03 | $603.00 |
| N+ | $1.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 8MHz |
| Connectivity | SPI, UART/USART, USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 53 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |  |
The ATMEGA645V-8AUR is a high-performance 8-bit AVR microcontroller from Microchip Technology, designed for low-power and cost-sensitive applications. It operates at a flexible voltage range of 1.8V to 5.5V and delivers up to 8MHz processing speed. With 64KB of flash memory and 4KB of SRAM, it provides ample space for complex firmware. The device includes essential features such as brown-out detection, power-on reset, PWM, and a watchdog timer, ensuring reliable operation in demanding environments. Housed in a compact 64-TQFP package, it is suitable for space-constrained industrial and consumer designs.
- Ultra-low power consumption: Operates down to 1.8V, extending battery life in portable devices.
- Large memory capacity: 64KB flash and 4KB SRAM support complex applications without external memory.
- Robust reliability: Integrated brown-out reset and watchdog timer prevent system failures.
- Wide temperature range: -40°C to 85°C ensures operation in harsh industrial settings.
- Compact packaging: 64-TQFP saves PCB space while offering ample I/O options.
Industrial Sensor Nodes
With its low 1.8V operation and 8MHz speed, the ATMEGA645V-8AUR is ideal for battery-powered industrial sensors that require reliable data acquisition and processing in harsh environments (-40°C to 85°C).
Portable Medical Devices
The low power consumption and 64KB flash allow for complex firmware in portable health monitors, while the PWM outputs can drive alarms or haptic feedback.
Smart Home Controllers
Use the 4KB SRAM and rich peripheral set (POR, WDT) to manage lighting, HVAC, and security systems with robust reset and fault detection.
Automotive Aftermarket Modules
Operating from 1.8V to 5.5V, this MCU can interface with various automotive sensors and actuators, providing stable performance in temperature extremes.
Data Logging Systems
The 64KB flash can store extensive logs, and the brown-out detection ensures data integrity during power fluctuations, making it perfect for environmental monitoring.
Motor Control for Small Appliances
PWM channels enable efficient motor speed control in fans or pumps, while the AVR core ensures deterministic response times.
- Q: What is the maximum operating frequency of the ATMEGA645V-8AUR?
- A: The maximum speed is 8 MHz at a supply voltage range of 1.8V to 5.5V.
- Q: How much flash memory does this MCU have?
- A: It has 64KB of in-system programmable flash memory (32K x 16 bits).
- Q: What package is available for this device?
- A: It comes in a 64-pin TQFP package, suitable for compact PCB designs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a Watchdog Timer (WDT) along with Brown-out Detect/Reset, POR, and PWM.
ATMEGA645V-8AUR.pdf
- Q: What is the maximum operating frequency of the ATMEGA645V-8AUR?
- A: The maximum speed is 8 MHz at a supply voltage range of 1.8V to 5.5V.
- Q: How much flash memory does this MCU have?
- A: It has 64KB of in-system programmable flash memory (32K x 16 bits).
- Q: What package is available for this device?
- A: It comes in a 64-pin TQFP package, suitable for compact PCB designs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a Watchdog Timer (WDT) along with Brown-out Detect/Reset, POR, and PWM.
