ATMEGA128A-ANR vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA128A-ANR by Microchip Technology and ATMEGA1281-16MUR 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
ATMEGA128A-ANR - 8-bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128A-ANR β ActiveMicrochip Technology
ATMEGA1281-16MUR
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR β ActiveSpecification Comparison
| Parameter | ATMEGA128A-ANR | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.96 | $8.78 |
| Core Architecture | AVR 8-bit RISC | β |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Flash Memory | 128 KB (64K x 16) | β |
| EEPROM | 4 KB | β |
| SRAM | 4 KB | β |
| General Purpose I/O | 53 I/O lines | β |
| Working Registers | 32 general purpose | β |
| Instructions | 135 instructions, most single-cycle | β |
| Timer/Counters | 4 flexible timer/counters | β |
| USART | 2 | β |
| ADC | 8-channel 10-bit | β |
| Interfaces | SPI, TWI (I2C-compatible), JTAG | β |
| External Memory Interface | Yes (WR, RD, ALE) | β |
| Package | 64-TQFP (14x14 mm) | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Pin Compatibility | 100% compatible with ATmega103 | β |
| RoHS Status | Green (per Mouser) | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | β |
| Core | β | AVR 8-bit RISC |
| Program Memory Size | β | 128 KB (64K x 16) Flash |
| SRAM Size | β | 8 KB |
| EEPROM Size | β | 4 KB |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Number of I/O Lines | β | 54 |
| General Purpose Working Registers | β | 32 |
| Timers/Counters | β | 6 (flexible, with compare modes and PWM) |
| USART Channels | β | 4 |
| Serial Interfaces | β | TWI (I2C-compatible), SPI |
| ADC Channels | β | 16-channel |
| Data Bus Width | β | 8 Bit |
| Temperature Range | β | Industrial (-40C to +85C) |
| Life Cycle Stage | β | Active |