ATMEGA128A-MN vs ATMEGA64A-MN Comparison
Detailed side-by-side comparison of ATMEGA128A-MN by Microchip Technology and ATMEGA64A-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
ATMEGA128A-MN - 8-bit AVR MCU, 128KB Flash 16MHz | Microchip
ATMEGA128A-MN ✓ ActiveMicrochip Technology
ATMEGA64A-MN - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA64A-MN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128A-MN | ATMEGA64A-MN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.42 | $4.48 |
| 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) | — |
| 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 |