ATMEGA2560-16AU vs ATMEGA640-16AU Comparison
Detailed side-by-side comparison of ATMEGA2560-16AU 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
ATMEGA2560-16AU - 8-bit AVR MCU 256KB Flash 16MHz | Microchip
ATMEGA2560-16AU ✓ ActiveMicrochip Technology
ATMEGA640-16AU - 8-bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA640-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA2560-16AU | ATMEGA640-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.87 | $6.90 |
| Core Architecture | 8-bit AVR RISC | AVR Enhanced RISC (8-bit) |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| Program Memory Type | FLASH (ISP) | — |
| Flash Memory Size | 256 KB (128K x 16) | — |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | — |
| Number of I/O Lines | 86 | — |
| Working Registers | 32 general purpose | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V (at 16 MHz) | — |
| ADC Resolution | 10 bit | — |
| ADC Channels | 8 (16 with ADC mux on PK port) | — |
| Number of USARTs | 4 | — |
| Timers/Counters | 6 (flexible, with compare and PWM modes) | 6 |
| Interface Types | SPI, TWI (I2C), JTAG, USART | — |
| Package | 100-TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MIPS | Up to 16 MIPS (approx. 1 MIPS per MHz) | — |
| Series | — | ATmega640 |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| SRAM | — | 8 KB |
| EEPROM | — | 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 |
| USART | — | 4 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| Operating Temperature | — | -40C to +85C (industrial) |
| In-System Programming | — | Yes (ISP) |
| On-Chip Debug | — | JTAG |
| RoHS Status | — | Compliant |