ATMEGA645-16AI vs ATMEGA645V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA645-16AI by Microchip Technology and ATMEGA645V-8AUR 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
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI ✓ ActiveMicrochip Technology
ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA645V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645-16AI | ATMEGA645V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.45 | $4.20 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC, 130 instructions |
| Flash Program Memory | 64 KB (32K x 16) ISP | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Maximum Clock Frequency | 16 MHz | 8 MHz |
| Throughput | 16 MIPS at 16 MHz | Up to 8 MIPS at 8 MHz (approx. 1 MIPS/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 | — |
| Operating Temperature | -40C to +85C (industrial, I grade) | — |
| Package | 64-TQFP (14x14 mm) | TQFP-64 |
| Mounting Type | Surface Mount | Surface Mount |
| Interfaces | USART, SPI, TWI (I2C) | — |
| ISP Capability | In-System Programmable Flash | — |
| RoHS Status | Compliant | Compliant (green package per FindIC listing) |
| Flash Memory | — | 64 KB In-System Programmable |
| Operating Voltage | — | 1.8 V to 5.5 V (V-grade) |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square |
| Number of Terminals | — | 64 |
| Temperature Grade | — | Industrial |
| Packing | — | Tape & Reel (R suffix) |
| Programming Method | — | In-System Programmable (ISP) |