ATMEGA645V-8AUR vs ATMEGA645-16AI Comparison
Detailed side-by-side comparison of ATMEGA645V-8AUR 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
ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA645V-8AUR β ActiveMicrochip Technology
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI β ActiveSpecification Comparison
| Parameter | ATMEGA645V-8AUR | ATMEGA645-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.20 | $6.45 |
| Core Architecture | AVR 8-bit RISC, 130 instructions | 8-bit AVR RISC |
| Flash Memory | 64 KB In-System Programmable | β |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum Clock Frequency | 8 MHz | 16 MHz |
| Operating Voltage | 1.8 V to 5.5 V (V-grade) | β |
| Package | TQFP-64 | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Terminal Form | Gull Wing | β |
| Package Shape | Square | β |
| Number of Terminals | 64 | β |
| Temperature Grade | Industrial | β |
| Throughput | Up to 8 MIPS at 8 MHz (approx. 1 MIPS/MHz) | 16 MIPS at 16 MHz |
| Packing | Tape & Reel (R suffix) | β |
| RoHS Status | Compliant (green package per FindIC listing) | Compliant |
| Programming Method | In-System Programmable (ISP) | β |
| Flash Program Memory | β | 64 KB (32K x 16) ISP |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| ADC | β | 8-channel, 10-bit |
| Programmable I/O | β | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | β | Yes (on-chip debugging and boundary scan) |
| Instruction Set | β | 130 instructions, mostly single-cycle |
| Operating Temperature | β | -40C to +85C (industrial, I grade) |
| Interfaces | β | USART, SPI, TWI (I2C) |
| ISP Capability | β | In-System Programmable Flash |