ATMEGA64A-MU vs ATMEGA128-16MUR Comparison
Detailed side-by-side comparison of ATMEGA64A-MU by Microchip Technology and ATMEGA128-16MUR 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
ATMEGA128-16MUR - 8-bit AVR MCU 128KB 16MHz | Microchip
ATMEGA128-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64A-MU | ATMEGA128-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.24 | $8.40 |
| Core Architecture | 8-bit AVR RISC | 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 | — |
| Working Registers | 32 | — |
| Timer/Counters | 4 (two 8-bit, two 16-bit) plus RTC | — |
| 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] | 4.5 V to 5.5 V |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] | — |
| Package | 64-QFN (9x9 mm), exposed pad, surface mount | 64-VFQFN (9x9 mm) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Core Size | — | 8-bit |
| Maximum Clock Frequency | — | 16 MHz |
| ADC Channels | — | 8 channels |
| ADC Resolution | — | 10-bit |
| Timers/Counters | — | 2 x 8-bit, 2 x 16-bit |
| PWM Channels | — | Yes (hardware PWM) |
| Communication Interfaces | — | 2 x USART, SPI, TWI (I2C) |
| JTAG Debug | — | Yes (on-chip debug and boundary scan) |
| I/O Pins | — | 53 |
| External Memory Support | — | Up to 64 KB |
| Sleep Modes | — | 6 |
| RoHS Status | — | Compliant |
| Throughput | — | Up to 16 MIPS |