ATMEGA64A-MU vs ATMEGA128A-MUR Comparison
Detailed side-by-side comparison of ATMEGA64A-MU by Microchip Technology and ATMEGA128A-MUR 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-MU - 8-Bit AVR MCU, 16MHz, 64KB Flash | Microchip
ATMEGA64A-MU ✓ ActiveMicrochip Technology
ATMEGA128A-MUR - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip
ATMEGA128A-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64A-MU | ATMEGA128A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.24 | $5.20 |
| Core Architecture | 8-bit AVR RISC | — |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | 128 KB (64K x 16) |
| EEPROM | 2 KB | 4 KB |
| SRAM | 4 KB | 4 KB |
| General Purpose I/O | 53 lines | 53 lines |
| Working Registers | 32 | 32 general purpose |
| Timer/Counters | 4 (two 8-bit, two 16-bit) plus RTC | 4 flexible timer/counters with compare modes and PWM |
| USART Interfaces | 2 | — |
| ADC | 8-channel 10-bit | — |
| TWI (I2C) | Yes, byte-oriented | — |
| SPI | Yes | — |
| JTAG Interface | Yes (on-chip debug and boundary scan) | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range] | 2.7 V to 5.5 V |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] | — |
| Package | 64-QFN (9x9 mm), exposed pad, surface mount | 64-VFQFN Exposed Pad (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Maximum Clock Speed | — | 16 MHz |
| Instructions | — | 133 powerful instructions, most single-cycle |
| Connectivity | — | EBI/EMI, I2C (Two-Wire Interface), SPI, UART/USART (2x USART) |
| Real-Time Counter | — | Yes |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Packaging | — | Tape & Reel (TR) |
| Lifecycle Status | — | Active |