Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 44-Pin TQFP
- RS Stock No.:
- 131-0323P
- Mfr. Part No.:
- ATMEGA644PA-AU
- Manufacturer:
- Microchip
Subtotal 25 units (supplied in a tray)*
SGD205.25
(exc. GST)
SGD223.75
(inc. GST)
FREE delivery for orders over $150, or create a business account to enjoy free delivery from just $28
- Plus 152 unit(s) shipping from 08 December 2025
Units | Per unit |
|---|---|
| 25 - 99 | SGD8.21 |
| 100 + | SGD7.95 |
*price indicative
- RS Stock No.:
- 131-0323P
- Mfr. Part No.:
- ATMEGA644PA-AU
- Manufacturer:
- Microchip
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Family Name | ATmega | |
| Package Type | TQFP | |
| Mounting Type | Surface Mount | |
| Pin Count | 44 | |
| Device Core | AVR | |
| Data Bus Width | 8bit | |
| Program Memory Size | 64 kB | |
| Maximum Frequency | 20MHz | |
| RAM Size | 4 kB | |
| USB Channels | 0 | |
| Number of PWM Units | 1 | |
| Number of SPI Channels | 3 | |
| Number of CAN Channels | 0 | |
| Typical Operating Supply Voltage | 1.8 → 5.5 V | |
| Number of I2C Channels | 1 | |
| Number of UART Channels | 2 | |
| Number of USART Channels | 2 | |
| Maximum Operating Temperature | +85 °C | |
| Program Memory Type | Flash | |
| Minimum Operating Temperature | -40 °C | |
| Instruction Set Architecture | RISC | |
| Maximum Number of Ethernet Channels | 0 | |
| ADCs | 8 x 10 bit | |
| Length | 10.1mm | |
| Number of ADC Units | 1 | |
| Pulse Width Modulation | 1 (6 Channel) | |
| Number of PCI Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Number of LIN Channels | 0 | |
| Dimensions | 10.1 x 10.1 x 1.05mm | |
| Width | 10.1mm | |
| Height | 1.05mm | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Family Name ATmega | ||
Package Type TQFP | ||
Mounting Type Surface Mount | ||
Pin Count 44 | ||
Device Core AVR | ||
Data Bus Width 8bit | ||
Program Memory Size 64 kB | ||
Maximum Frequency 20MHz | ||
RAM Size 4 kB | ||
USB Channels 0 | ||
Number of PWM Units 1 | ||
Number of SPI Channels 3 | ||
Number of CAN Channels 0 | ||
Typical Operating Supply Voltage 1.8 → 5.5 V | ||
Number of I2C Channels 1 | ||
Number of UART Channels 2 | ||
Number of USART Channels 2 | ||
Maximum Operating Temperature +85 °C | ||
Program Memory Type Flash | ||
Minimum Operating Temperature -40 °C | ||
Instruction Set Architecture RISC | ||
Maximum Number of Ethernet Channels 0 | ||
ADCs 8 x 10 bit | ||
Length 10.1mm | ||
Number of ADC Units 1 | ||
Pulse Width Modulation 1 (6 Channel) | ||
Number of PCI Channels 0 | ||
Number of Ethernet Channels 0 | ||
Number of LIN Channels 0 | ||
Dimensions 10.1 x 10.1 x 1.05mm | ||
Width 10.1mm | ||
Height 1.05mm | ||
8-Bit PicoPower megaAVR Family Microcontrollers
Features & Benefits of picoPower megaAVR microcontrollers
•On-chip Flash
•SRAM
•Internal EEPROM
•SPI
•TWI (I²C)
•USART, USB, CAN & LIN interfaces
•Watchdog timer
•Precision oscillator
•GPIO pins
•ADC
•DAC
•Built-in temperature sensor
•Internal voltage reference
•Brown-out detector