ATMEGA128-16MU vs ATMEGA128A-MU Comparison
Detailed side-by-side comparison of ATMEGA128-16MU by Microchip Technology and ATMEGA128A-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
ATMEGA128A-MU - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip (Tape & Reel)
ATMEGA128A-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16MU | ATMEGA128A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.40 | $5.20 |
| Core Architecture | 8-bit AVR RISC | — |
| CPU Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | 128 KB (64K x 16) |
| EEPROM | 4 KB | 4 KB |
| SRAM | 4 KB | 4 KB |
| GPIO Count | 53 I/O lines | — |
| ADC | 8-channel 10-bit | — |
| Timers/Counters | 4 with compare modes and PWM | — |
| USART | 2 | — |
| TWI (I2C) | Yes, byte-oriented Two-Wire Interface | — |
| SPI | Yes | — |
| JTAG | Yes, on-chip debugging and boundary scan | — |
| Package | 64-QFN (9x9 mm, MLF) | 64-VFQFN Exposed Pad (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | 2.7 V to 5.5 V |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Compatibility | 100% pin compatible with ATmega103 | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Maximum Clock Speed | — | 16 MHz |
| General Purpose I/O | — | 53 lines |
| Working Registers | — | 32 general purpose |
| Instructions | — | 133 powerful instructions, most single-cycle |
| Timer/Counters | — | 4 flexible timer/counters with compare modes and PWM |
| Connectivity | — | EBI/EMI, I2C (Two-Wire Interface), SPI, UART/USART (2x USART) |
| Real-Time Counter | — | Yes |
| Packaging | — | Tape & Reel (TR) |
| Lifecycle Status | — | Active |