ATMEGA64A-MN vs ATMEGA128A-MN Comparison
Detailed side-by-side comparison of ATMEGA64A-MN by Microchip Technology and ATMEGA128A-MN by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA64A-MN - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA64A-MN ✓ ActiveMicrochip Technology
ATMEGA128A-MN - 8-bit AVR MCU, 128KB Flash 16MHz | Microchip
ATMEGA128A-MN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64A-MN | ATMEGA128A-MN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| Flash Type | ISP Flash, read-while-write | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| Operating Voltage Range | 3.3 V / 5 V supply class | — |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | — |
| Timer/Counters | 4 flexible timer/counters + real time counter | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| ADC | 10-bit, 8 channels | — |
| Package | 64-QFN (9x9 mm), MLF, exposed pad | — |
| Mounting Type | Surface Mount | — |
| Temperature Rating | 105 C | — |
| Programming Interface | ICSP / in-system programmable | — |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Core | — | AVR 8-bit RISC |
| Program Memory Size | — | 128KB (64K x 16) FLASH |
| Program Memory Type | — | FLASH (read-while-write) |
| EEPROM Size | — | 4KB |
| SRAM Size | — | 4KB |
| Maximum Clock Frequency | — | 16 MHz |
| Number of I/O | — | 53 |
| General Purpose Working Registers | — | 32 |
| Oscillator Type | — | Internal |
| Package / Case | — | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Style | — | Surface Mount |
| Operating Temperature | — | -40C to +105C |
| Supply Voltage | — | [DATA_NEEDED: supply voltage range] |
| Timers / Counters | — | Four flexible timer/counters plus real-time counter |
| Interface Type | — | [DATA_NEEDED: interface type list] |
| Packaging | — | Tray |
| RoHS Status | — | Green (per Mouser listing) |