ATMEGA1280-16AU vs ATMEGA640V-8AU Comparison
Detailed side-by-side comparison of ATMEGA1280-16AU by Microchip Technology and ATMEGA640V-8AU 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
ATMEGA1280-16AU - 16MHz 128KB AVR MCU | Microchip Technology
ATMEGA1280-16AU ✓ ActiveMicrochip Technology
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1280-16AU | ATMEGA640V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit AVR RISC-based microcontroller | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 128 KB | 64 KB (32K x 16) |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| General-Purpose I/O Lines | 86 lines | — |
| General-Purpose Working Registers | 32 registers | — |
| ADC | 16-channel, 10-bit | 10-bit, 16-channel |
| USART | 4 channels | — |
| Timer/Counters | 6 flexible timer/counters | — |
| Two-Wire Serial Interface | Byte-oriented TWI/I2C | — |
| Debug and Programming Interface | JTAG | — |
| Data Bus Width | 8-bit | — |
| Operating Voltage | 2.7 V to 5.5 V | — |
| Operating Temperature | -40°C to +85°C | — |
| Package | 100-pin TQFP, 14 x 14 mm | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface mount | Surface Mount |
| Lifecycle Status | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH compliance status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| General Purpose I/O | — | 86 lines |
| Timers/Counters | — | 6 |
| USART Interfaces | — | 4 |
| Serial Interfaces | — | SPI, 2-wire (I2C-compatible), 4x USART |
| Analog Comparator | — | Yes, on-chip |
| Watchdog Timer | — | Yes, with separate on-chip oscillator |
| External Memory Interface | — | EBI/EMI |
| Program Memory Type | — | ISP Flash |
| Series | — | AVR ATmega |