ATMEGA128-16MU vs ATMEGA64A-MU Comparison
Detailed side-by-side comparison of ATMEGA128-16MU by Microchip Technology and ATMEGA64A-MU 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
ATMEGA128-16MU - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16MU ✓ ActiveMicrochip Technology
ATMEGA64A-MU - 8-Bit AVR MCU, 16MHz, 64KB Flash | Microchip
ATMEGA64A-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16MU | ATMEGA64A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.40 | $4.24 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| CPU Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 64 KB (32K x 16) ISP, read-while-write |
| EEPROM | 4 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| GPIO Count | 53 I/O lines | — |
| ADC | 8-channel 10-bit | 8-channel 10-bit |
| Timers/Counters | 4 with compare modes and PWM | — |
| USART | 2 | — |
| TWI (I2C) | Yes, byte-oriented Two-Wire Interface | Yes, byte-oriented |
| SPI | Yes | Yes |
| JTAG | Yes, on-chip debugging and boundary scan | — |
| Package | 64-QFN (9x9 mm, MLF) | 64-QFN (9x9 mm), exposed pad, surface mount |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | [DATA_NEEDED: Supply Voltage Range] |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Compatibility | 100% pin compatible with ATmega103 | — |
| Max Clock Frequency | — | 16 MHz |
| General Purpose I/O | — | 53 lines |
| Working Registers | — | 32 |
| Timer/Counters | — | 4 (two 8-bit, two 16-bit) plus RTC |
| USART Interfaces | — | 2 |
| JTAG Interface | — | Yes (on-chip debug and boundary scan) |
| Operating Temperature Range | — | [DATA_NEEDED: Operating Temperature Range] |
| Pin Compatibility | — | 100% pin compatible with ATmega103 |