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