ATMEGA645V-8AUR vs ATMEGA6450V-8AU Comparison
Detailed side-by-side comparison of ATMEGA645V-8AUR by Microchip Technology and ATMEGA6450V-8AU 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 ✓ ActiveMicrochip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645V-8AUR | ATMEGA6450V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC, 130 instructions | AVR 8-bit RISC |
| Flash Memory | 64 KB In-System Programmable | 64KB (32K x 16), In-System Programmable |
| EEPROM | 2 KB | 2KB |
| SRAM | 4 KB | 4KB |
| Maximum Clock Frequency | 8 MHz | — |
| Operating Voltage | 1.8 V to 5.5 V (V-grade) | — |
| Package | TQFP-64 | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Terminal Form | Gull Wing | — |
| Package Shape | Square | — |
| Number of Terminals | 64 | — |
| Temperature Grade | Industrial | — |
| Throughput | Up to 8 MIPS at 8 MHz (approx. 1 MIPS/MHz) | — |
| Packing | Tape & Reel (R suffix) | — |
| RoHS Status | Compliant (green package per FindIC listing) | Compliant (GREEN package per Microchip classification) |
| Programming Method | In-System Programmable (ISP) | — |
| Data Bus Width | — | 8 Bit |
| Maximum Clock Speed | — | 8 MHz |
| ADC Resolution | — | 10-bit |
| I/O Ports | — | 53 I/O lines |
| Supply Voltage | — | 1.8 V (V-variant extended low-voltage range) |
| Instructions | — | 130 powerful instructions, most single-cycle |
| In-System Programming | — | Yes (ICSP) |
| Operating Temperature | — | -40C to +85C (A-grade industrial) |
| Life Cycle Stage | — | ACTIVE |
| LCD Controller | — | Integrated segment LCD drive (6450 family) |