ATMEGA645-16AUR vs ATMEGA645-16AI Comparison
Detailed side-by-side comparison of ATMEGA645-16AUR 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
ATMEGA645-16AUR - 8-Bit AVR MCU 64KB 16MHz 64-TQFP | Microchip
ATMEGA645-16AUR ✓ ActiveMicrochip Technology
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645-16AUR | ATMEGA645-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.40 | $6.45 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| ADC Channels | 8-channel 10-bit | — |
| Programmable I/O Lines | 53 (TQFP-64 package) | — |
| Debug Interface | JTAG (on-chip debugging and boundary scan) | — |
| Instruction Count | 130 instructions, most single-cycle | — |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A grade) | -40C to +85C (industrial, I grade) |
| RoHS Status | Compliant (R suffix) | Compliant |
| Lifecycle Stage | Active | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 64 KB (32K x 16) ISP |
| 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 |
| Interfaces | — | USART, SPI, TWI (I2C) |
| ISP Capability | — | In-System Programmable Flash |