Microchip ATMEGA645A-AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 64-Pin TQFP
- RS Stock No.:
- 131-0329
- Mfr. Part No.:
- ATMEGA645A-AU
- Manufacturer:
- Microchip
Discontinued product
- RS Stock No.:
- 131-0329
- Mfr. Part No.:
- ATMEGA645A-AU
- Manufacturer:
- Microchip
Technical data sheets
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 | TQFP |
| Mounting Type | Surface Mount |
| Pin Count | 64 |
| 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 |
| Typical Operating Supply Voltage | 1.8 → 5.5 V |
| Length | 14.1mm |
| Maximum Operating Temperature | +85 °C |
| Program Memory Type | Flash |
| Number of ADC Units | 1 |
| Instruction Set Architecture | RISC |
| Pulse Width Modulation | 1 (4 Channel) |
| Dimensions | 14.1 x 14.1 x 1.05mm |
| Minimum Operating Temperature | -40 °C |
| Width | 14.1mm |
| ADCs | 8 x 10 bit |
| Height | 1.05mm |