ATMEGA2561V-8AUR vs ATMEGA1281V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA2561V-8AUR by Microchip Technology and ATMEGA1281V-8AUR 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
ATMEGA2561V-8AUR - 8-bit AVR MCU 256KB Flash TQFP-64 | Microchip
ATMEGA2561V-8AUR β ActiveMicrochip Technology
ATMEGA1281V-8AUR - 8-bit AVR MCU 128KB 8MHz TQFP-64 | Microchip
ATMEGA1281V-8AUR β ActiveSpecification Comparison
| Parameter | ATMEGA2561V-8AUR | ATMEGA1281V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.50 | $4.40 |
| Core | AVR 8-bit RISC | β |
| Program Memory Size | 256 KB (128K x 16) ISP Flash | β |
| SRAM Size | 8 KB | β |
| EEPROM Size | 4 KB | β |
| Maximum Clock Frequency | 8 MHz | β |
| Throughput | up to 16 MIPS (family rating; 8 MIPS at 8 MHz) | β |
| Instruction Set | 131 instructions, mostly single-cycle | β |
| General Purpose I/O | 86 lines | 54 lines |
| Timer/Counters | 6 flexible timer/counters with compare modes and PWM | β |
| USART | 4 programmable serial USART | β |
| ADC | 8-channel, 10-bit | β |
| Serial Interfaces | SPI (Master/Slave), TWI (byte-oriented 2-wire) | β |
| Operating Voltage | [DATA_NEEDED: Operating Voltage Range] | β |
| Operating Temperature | -40C to +85C | -40C to +85C |
| Package | 64-TQFP (14x14 mm) | 64-TQFP, 14 x 14 mm, 1 mm height |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | β |
| Special Peripherals | Watchdog timer with separate on-chip oscillator, analog comparator, JTAG, real-time counter | β |
| RoHS Status | Compliant (GREEN series per distributor data) | β |
| Core Architecture | β | AVR 8-bit RISC |
| Flash Memory | β | 128KB (64K x 16), In-System Programmable |
| SRAM | β | 8KB |
| EEPROM | β | 4KB |
| Maximum Clock Speed | β | 8 MHz |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| Data Bus Width | β | 8 Bit |
| Instructions | β | 133 instructions, most single-cycle |
| Timers/Counters | β | Six flexible timer/counters with compare modes and PWM |
| Series | β | AVR ATmega |
| Lifecycle Status | β | ACTIVE |