Microchip ATMEGA644-20PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP
- RS Stock No.:
- 131-0315
- Mfr. Part No.:
- ATMEGA644-20PU
- Brand:
- Microchip
Available to back order for despatch 22/05/2024
Added
Price Each
£5.84
(exc. VAT)
£7.01
(inc. VAT)
| Units | Per unit |
| 1 - 24 | £5.84 |
| 25 - 99 | £5.68 |
| 100 + | £5.47 |
- RS Stock No.:
- 131-0315
- Mfr. Part No.:
- ATMEGA644-20PU
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
Product Details
8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash
Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.
Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450
Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450
Specifications
Attribute | Value |
|---|---|
| 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 |
| Number of CAN Channels | 0 |
| Number of I2C Channels | 1 |
| Number of UART Channels | 1 |
| Typical Operating Supply Voltage | 2.7 → 5.5 V |
| Number of USART Channels | 1 |
| Width | 13.97mm |
| Number of PCI Channels | 0 |
| Number of Ethernet Channels | 0 |
| Program Memory Type | Flash |
| Pulse Width Modulation | 1 (6 Channel) |
| Dimensions | 52.57 x 13.97 x 4.44mm |
| Number of ADC Units | 1 |
| ADCs | 8 x 10 bit |
| Length | 52.57mm |
| Maximum Operating Temperature | +85 °C |
| Instruction Set Architecture | RISC |
| Minimum Operating Temperature | -40 °C |
| Maximum Number of Ethernet Channels | 0 |
| Height | 4.44mm |
| Number of LIN Channels | 0 |
- RS Stock No.:
- 131-0315
- Mfr. Part No.:
- ATMEGA644-20PU
- Brand:
- Microchip
Related links
- Microchip ATMEGA88-20PU ATmega 8 kB Flash, 28-Pin PDIP
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- Microchip ATMEGA164P-20PU ATmega 16 kB Flash, 40-Pin PDIP
- Microchip ATMEGA644-20AU ATmega 64 kB Flash, 44-Pin TQFP
- Microchip ATMEGA644P-20PU ATmega 64 kB Flash, 40-Pin PDIP
- Microchip ATMEGA324P-20PU ATmega 32 kB Flash, 40-Pin PDIP
- Microchip ATMEGA48P-20PU ATmega 4 kB Flash, 28-Pin PDIP
- Microchip ATMEGA48-20PU ATmega 4 kB Flash, 28-Pin PDIP