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