ATMEGA6450-16AU vs ATMEGA645-16AI Comparison
Detailed side-by-side comparison of ATMEGA6450-16AU by Microchip Technology and ATMEGA645-16AI 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
ATMEGA6450-16AU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA6450-16AU ✓ ActiveMicrochip Technology
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA6450-16AU | ATMEGA645-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.85 | $6.45 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| EEPROM Size | 2 KB | — |
| RAM Size | 4 KB | — |
| Supply Voltage (Vcc/Vdd) | 4.5 V to 5.5 V | — |
| Number of I/O | [DATA_NEEDED: Number of I/O] | — |
| ADC Resolution | 10-bit | — |
| Peripherals | [DATA_NEEDED: Peripherals list] | — |
| Connectivity | [DATA_NEEDED: Connectivity (SPI, UART/USART, TWI)] | — |
| Oscillator Type | Internal | — |
| Operating Temperature | [DATA_NEEDED: Operating Temperature range] | -40C to +85C (industrial, I grade) |
| Package / Case | 100-TQFP (14x14 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | In-System Programmable FLASH | — |
| Architecture | Advanced RISC, 130 instructions | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 64 KB (32K x 16) ISP |
| SRAM | — | 4 KB |
| EEPROM | — | 2 KB |
| Maximum Clock Frequency | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| ADC | — | 8-channel, 10-bit |
| Programmable I/O | — | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | — | Yes (on-chip debugging and boundary scan) |
| Instruction Set | — | 130 instructions, mostly single-cycle |
| Package | — | 64-TQFP (14x14 mm) |
| Interfaces | — | USART, SPI, TWI (I2C) |
| ISP Capability | — | In-System Programmable Flash |