ATMEGA1280V-8AU vs ATMEGA640-16AU Comparison
Detailed side-by-side comparison of ATMEGA1280V-8AU by Microchip Technology and ATMEGA640-16AU 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
ATMEGA1280V-8AU - 8MHz 128KB Flash AVR MCU | Microchip
ATMEGA1280V-8AU ✓ ActiveMicrochip Technology
ATMEGA640-16AU - 8-bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA640-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1280V-8AU | ATMEGA640-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.12 | $6.90 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Max Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O | 86 | — |
| Timers/Counters | 6 (with compare modes and PWM) | 6 |
| USART | 4 | 4 |
| Communication Interfaces | I2C (TWI), SPI, 4x USART | — |
| ADC Channels | 16-channel, 10-bit | — |
| Instructions | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Package | 100-TQFP (14 x 14 mm, 1.0 mm height) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ISP) | — |
| Watchdog Timer | Yes, with internal oscillator | — |
| Lifecycle Status | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Core Architecture | — | AVR Enhanced RISC (8-bit) |
| Series | — | ATmega640 |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Maximum Clock Frequency | — | 16 MHz |
| Throughput | — | ~16 MIPS |
| Supply Voltage | — | 2.7 V to 5.5 V |
| I/O Pins | — | 86 |
| ADC | — | 16 channels x 10-bit |
| PWM Channels | — | 16 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| Operating Temperature | — | -40C to +85C (industrial) |
| In-System Programming | — | Yes (ISP) |
| On-Chip Debug | — | JTAG |