Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 40-Pin PDIP
- RS Stock No.:
- 131-0318P
- Mfr. Part No.:
- ATMEGA644A-PU
- Brand:
- Microchip
Subtotal 25 units (supplied in a tube)*
£104.50
(exc. VAT)
£125.50
(inc. VAT)
FREE delivery for orders over £50.00
- Shipping from 19 January 2026
Units | Per unit |
|---|---|
| 25 - 99 | £4.18 |
| 100 + | £4.03 |
*price indicative
- RS Stock No.:
- 131-0318P
- Mfr. Part No.:
- ATMEGA644A-PU
- Brand:
- Microchip
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Family Name | ATmega | |
| Package Type | PDIP | |
| Mounting Type | Through Hole | |
| Pin Count | 40 | |
| 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 | |
| Typical Operating Supply Voltage | 1.8 → 5.5 V | |
| Number of UART Channels | 2 | |
| Number of I2C Channels | 1 | |
| Number of CAN Channels | 0 | |
| Number of USART Channels | 2 | |
| Height | 4.44mm | |
| Width | 13.97mm | |
| Instruction Set Architecture | RISC | |
| Pulse Width Modulation | 1 (6 Channel) | |
| Minimum Operating Temperature | -40 °C | |
| Number of PCI Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Program Memory Type | Flash | |
| Number of ADC Units | 1 | |
| Length | 52.57mm | |
| ADCs | 8 x 10 bit | |
| Maximum Number of Ethernet Channels | 0 | |
| Maximum Operating Temperature | +85 °C | |
| Dimensions | 52.57 x 13.97 x 4.44mm | |
| Number of LIN Channels | 0 | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Family Name ATmega | ||
Package Type PDIP | ||
Mounting Type Through Hole | ||
Pin Count 40 | ||
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 | ||
Typical Operating Supply Voltage 1.8 → 5.5 V | ||
Number of UART Channels 2 | ||
Number of I2C Channels 1 | ||
Number of CAN Channels 0 | ||
Number of USART Channels 2 | ||
Height 4.44mm | ||
Width 13.97mm | ||
Instruction Set Architecture RISC | ||
Pulse Width Modulation 1 (6 Channel) | ||
Minimum Operating Temperature -40 °C | ||
Number of PCI Channels 0 | ||
Number of Ethernet Channels 0 | ||
Program Memory Type Flash | ||
Number of ADC Units 1 | ||
Length 52.57mm | ||
ADCs 8 x 10 bit | ||
Maximum Number of Ethernet Channels 0 | ||
Maximum Operating Temperature +85 °C | ||
Dimensions 52.57 x 13.97 x 4.44mm | ||
Number of LIN Channels 0 | ||
8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash
Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450