ATMEGA64A-AUR vs ATMEGA128A-AU Comparison
Detailed side-by-side comparison of ATMEGA64A-AUR by Microchip Technology and ATMEGA128A-AU 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-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA64A-AUR β ActiveMicrochip Technology
ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA64A-AUR | ATMEGA128A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $4.30 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory Size | 64KB (32K x 16) ISP Flash | β |
| EEPROM Size | 2KB | β |
| SRAM Size | 4KB | β |
| Maximum CPU Speed | 16MHz | β |
| General Purpose I/O | 53 lines | 53 lines |
| Working Registers | 32 general purpose | 32 general purpose |
| Timers/Counters | 4 flexible timer/counters with compare modes and PWM | 4 flexible timer/counters with compare modes and PWM |
| ADC | 8-channel, 10-bit (from manufacturer product summary) | 8-channel, 10-bit |
| Communication Interfaces | 2x USART, SPI, TWI (I2C compatible) | 2x USART, TWI (I2C), SPI |
| Oscillator Type | Internal | β |
| Debug / Test | JTAG for on-chip debug and boundary scan | β |
| Package | 64-TQFP (14x14mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | Industrial (-40C to +85C) | β |
| Packaging | Tape & Reel (TR) | β |
| RoHS Status | Compliant (GREEN per FindIC listing) | β |
| Pin Compatibility | 100% pin compatible with ATmega103 | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Architecture | β | Enhanced RISC, 133 instructions |
| Max Clock Frequency | β | 16 MHz |
| Flash Memory | β | 128 KB (64K x 16), In-System Programmable, read-while-write |
| EEPROM | β | 4 KB |
| SRAM | β | 4 KB |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Real-Time Counter | β | Yes (RTC) |
| Debug / Boundary Scan | β | JTAG (IEEE 1149.1) |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| Projected End of Life | β | 2048-10-03 (per distributor lifecycle data) |