Microchip, 8 bit AVR, ATMEGA644P Microcontroller, 20 MHz, 64kB FLASH, 44-Pin TQFP
- RS Stock No.:
- 131-0319P
- Mfr. Part No.:
- ATMEGA644P-20AU
- Brand:
- Microchip
Bulk discount available
Subtotal 25 units (supplied in a tray)*
£127.25
(exc. VAT)
£152.75
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 371 unit(s) shipping from 15 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 25 - 99 | £5.09 |
| 100 + | £4.90 |
*price indicative
- RS Stock No.:
- 131-0319P
- Mfr. Part No.:
- ATMEGA644P-20AU
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Product Type | Microcontroller | |
| Series | ATMEGA644P | |
| Package Type | TQFP | |
| Mount Type | Surface | |
| Pin Count | 44 | |
| Device Core | AVR | |
| Data Bus Width | 8bit | |
| Program Memory Size | 64kB | |
| Maximum Clock Frequency | 20MHz | |
| RAM Size | 4kB | |
| Maximum Supply Voltage | 5.5V | |
| Minimum Operating Temperature | -40°C | |
| Number of Programmable I/Os | 32 | |
| Analogue Comparators | 1 | |
| Maximum Operating Temperature | 85°C | |
| Standards/Approvals | No | |
| Length | 10.1mm | |
| Height | 1.05mm | |
| Width | 10.1 mm | |
| Minimum Supply Voltage | 2.7V | |
| Program Memory Type | FLASH | |
| ADCs | 8 x 10 Bit | |
| Automotive Standard | No | |
| Number of Timers | 2 | |
| Distrelec Product Id | 30301876 | |
| Instruction Set Architecture | RISC | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Product Type Microcontroller | ||
Series ATMEGA644P | ||
Package Type TQFP | ||
Mount Type Surface | ||
Pin Count 44 | ||
Device Core AVR | ||
Data Bus Width 8bit | ||
Program Memory Size 64kB | ||
Maximum Clock Frequency 20MHz | ||
RAM Size 4kB | ||
Maximum Supply Voltage 5.5V | ||
Minimum Operating Temperature -40°C | ||
Number of Programmable I/Os 32 | ||
Analogue Comparators 1 | ||
Maximum Operating Temperature 85°C | ||
Standards/Approvals No | ||
Length 10.1mm | ||
Height 1.05mm | ||
Width 10.1 mm | ||
Minimum Supply Voltage 2.7V | ||
Program Memory Type FLASH | ||
ADCs 8 x 10 Bit | ||
Automotive Standard No | ||
Number of Timers 2 | ||
Distrelec Product Id 30301876 | ||
Instruction Set Architecture RISC | ||
8-Bit PicoPower megaAVR Family Microcontrollers
This range of megaAVR microcontrollers feature picoPower technology — perfect for energy saving. They offer generous program and data memories with performance of up to 20 MIPS.
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