Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 40-Pin PDIP
- RS Stock No.:
- 131-0322
- Distrelec Article No.:
- 173-25-149
- Mfr. Part No.:
- ATMEGA644P-20PU
- Brand:
- Microchip
Subtotal (1 unit)*
£5.47
(exc. VAT)
£6.56
(inc. VAT)
FREE delivery for orders over £50.00
- 17 unit(s) ready to ship
- Plus 230 unit(s) shipping from 23 October 2025
Units | Per unit |
|---|---|
| 1 - 24 | £5.47 |
| 25 - 99 | £5.29 |
| 100 + | £5.11 |
*price indicative
- RS Stock No.:
- 131-0322
- Distrelec Article No.:
- 173-25-149
- Mfr. Part No.:
- ATMEGA644P-20PU
- 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 | 2.7 → 5.5 V | |
| Number of I2C Channels | 1 | |
| Number of USART Channels | 2 | |
| Number of CAN Channels | 0 | |
| Number of UART Channels | 2 | |
| Width | 13.97mm | |
| Height | 4.44mm | |
| Number of LIN Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Number of PCI Channels | 0 | |
| Pulse Width Modulation | 1 (6 Channel) | |
| Dimensions | 52.57 x 13.97 x 4.44mm | |
| Program Memory Type | Flash | |
| Length | 52.57mm | |
| ADCs | 8 x 10 bit | |
| Number of ADC Units | 1 | |
| Maximum Number of Ethernet Channels | 0 | |
| Maximum Operating Temperature | +85 °C | |
| Minimum Operating Temperature | -40 °C | |
| Instruction Set Architecture | RISC | |
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 2.7 → 5.5 V | ||
Number of I2C Channels 1 | ||
Number of USART Channels 2 | ||
Number of CAN Channels 0 | ||
Number of UART Channels 2 | ||
Width 13.97mm | ||
Height 4.44mm | ||
Number of LIN Channels 0 | ||
Number of Ethernet Channels 0 | ||
Number of PCI Channels 0 | ||
Pulse Width Modulation 1 (6 Channel) | ||
Dimensions 52.57 x 13.97 x 4.44mm | ||
Program Memory Type Flash | ||
Length 52.57mm | ||
ADCs 8 x 10 bit | ||
Number of ADC Units 1 | ||
Maximum Number of Ethernet Channels 0 | ||
Maximum Operating Temperature +85 °C | ||
Minimum Operating Temperature -40 °C | ||
Instruction Set Architecture RISC | ||
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
Related links
- Microchip ATmega Microcontroller 64 kB Flash, 40-Pin PDIP
- Microchip ATmega Microcontroller 32 kB Flash, 40-Pin PDIP
- Microchip ATmega Microcontroller 8 kB Flash, 28-Pin PDIP
- Microchip ATmega Microcontroller 16 kB Flash, 28-Pin PDIP
- Microchip ATmega Microcontroller 4 kB Flash, 28-Pin PDIP
- Microchip ATmega Microcontroller 128 kB Flash, 40-Pin PDIP
- Microchip ATmega Microcontroller 16 kB Flash, 40-Pin PDIP
- Microchip ATmega Microcontroller 64 kB Flash, 44-Pin TQFP