Microchip Technology ATMEGA164PA-MCH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 15+ | $4.19 | $62.85 |
| 25+ | $4.10 | $102.50 |
| 50+ | $3.87 | $193.50 |
| 100+ | $3.41 | $341.00 |
| N+ | $0.68 | 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) | 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 | 44-QFN (5x5) |
| Package / Case | 44-VQFN Dual Rows, Exposed Pad |
| ROHS |
The Microchip ATMEGA164PA-MCH is a high-performance 8-bit AVR microcontroller in a compact 44-VQFN package. It delivers 20MHz processing speed with 16KB flash and 1KB SRAM, operating from 1.8V to 5.5V. Its integrated brown-out detection, watchdog timer, and PWM channels make it a reliable choice for industrial and consumer embedded control.
- Ultra-low power consumption: Multiple sleep modes and 1.8V operation extend battery life in portable designs.
- High integration: On-chip POR, BOD, and WDT reduce external component count and improve system reliability.
- Compact footprint: The 44-VQFN dual-row package saves PCB space for space-constrained applications.
- Wide temperature range: -40°C to 85°C ensures operation in harsh environments.
Industrial Sensor Nodes
With a 1.8V minimum supply and multiple sleep modes, this MCU excels in low-power industrial sensors that need to run for years on coin cells.
Motor Control for Small Appliances
The 20MHz AVR core and built-in PWM channels enable precise speed control for brushless DC motors in fans and pumps.
Portable Medical Devices
Its wide voltage range and robust brown-out detection ensure reliable operation in battery-powered glucose meters and pulse oximeters.
Automotive Body Electronics
The -40°C to 85°C temperature range and WDT make it suitable for window lift controllers and seat position modules.
Smart Home Thermostats
Combining 16KB flash for complex control algorithms and 1KB SRAM for data logging, it manages HVAC actuators efficiently.
Battery Management Systems
The POR and LVD features protect against undervoltage conditions in 2-cell Li-ion battery packs.
- Q: What is the operating voltage range of the ATMEGA164PA-MCH?
- A: It operates from 1.8V to 5.5V, making it suitable for battery and 5V systems.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash memory does it have?
- A: It features 16KB of in-system programmable flash.
- Q: What package is available?
- A: It comes in a 44-VQFN dual-row package with an exposed pad.
- Q: Does it include analog comparators?
- A: Yes, it has an analog comparator along with PWM and WDT.
- Q: What is the operating voltage range of the ATMEGA164PA-MCH?
- A: It operates from 1.8V to 5.5V, making it suitable for battery and 5V systems.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash memory does it have?
- A: It features 16KB of in-system programmable flash.
- Q: What package is available?
- A: It comes in a 44-VQFN dual-row package with an exposed pad.
- Q: Does it include analog comparators?
- A: Yes, it has an analog comparator along with PWM and WDT.

ATMEGA164PA-MCH.pdf