Microchip Technology ATMEGA164P-20AQ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.68 | $4.68 |
| 15+ | $4.54 | $68.10 |
| 25+ | $4.44 | $111.00 |
| 50+ | $4.19 | $209.50 |
| 100+ | $3.70 | $370.00 |
| N+ | $0.74 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 16KB (8K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |
The ATMEGA164P-20AQ is a high-performance 8-bit AVR microcontroller from Microchip, featuring 16KB of flash memory and 1KB SRAM. It operates at up to 20MHz with a supply voltage range of 2.7V to 5.5V, making it ideal for industrial and automotive environments. The 44-TQFP package provides a compact footprint for space-constrained designs.
- High-speed 20MHz AVR core: Enables fast processing for real-time applications.
- Wide voltage range (2.7V-5.5V): Simplifies power supply design and supports battery operation.
- Extended temperature range (-40°C to 105°C): Suitable for harsh environments.
- Integrated Brown-out Detect and POR: Enhances system reliability during power fluctuations.
Industrial Control Systems
With a 20MHz AVR core and 16KB flash, it handles real-time control loops and sensor interfacing in PLCs and motor controllers.
Automotive Aftermarket
Its -40°C to 105°C temperature range and 5.5V tolerance make it suitable for engine bay sensors and body control modules.
Smart Energy Meters
The low-power sleep modes and integrated POR/Brown-out detect ensure reliable operation in utility metering applications.
Medical Monitoring Devices
1KB SRAM and PWM outputs support simple signal processing and actuator control in portable diagnostic tools.
Home Automation Gateways
Multiple I/O pins and WDT enhance robustness in Zigbee or Z-Wave bridge controllers.
Battery-Powered Instruments
Wide voltage range allows direct operation from 3xAA batteries without external regulation.
- Q: What is the maximum operating frequency of the ATMEGA164P-20AQ?
- A: The maximum operating frequency is 20 MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What package is this device available in?
- A: It comes in a 44-TQFP package.
- Q: Does it include a watchdog timer?
- A: Yes, it features a Watchdog Timer (WDT).
- Q: What is the maximum operating frequency of the ATMEGA164P-20AQ?
- A: The maximum operating frequency is 20 MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What package is this device available in?
- A: It comes in a 44-TQFP package.
- Q: Does it include a watchdog timer?
- A: Yes, it features a Watchdog Timer (WDT).

ATMEGA164P-20AQ.pdf