ATMEGA6490V-8AI vs ATMEGA6450V-8AU Comparison
Detailed side-by-side comparison of ATMEGA6490V-8AI 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
ATMEGA6490V-8AI - 8-Bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6490V-8AI ✓ ActiveMicrochip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA6490V-8AI | ATMEGA6450V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Maximum Clock Frequency | 8 MHz | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB | 4KB |
| EEPROM | 2 KB | 2KB |
| Supply Voltage Range | 1.8 V to 5.5 V (V-grade) | — |
| GPIO Count | 54 / 69 general purpose I/O lines | — |
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (A-grade industrial) |
| LCD Controller | Integrated, segment LCD driver (up to 160 segments on 100-pin device) | Integrated segment LCD drive (6450 family) |
| Instructions | 130 powerful instructions, most single-cycle | 130 powerful instructions, most single-cycle |
| Working Registers | 32 general purpose | — |
| Self-Programming | Yes, read-while-write ISP Flash | — |
| Programming/Debug | ICSP via SPI; JTAG-based on-chip debugging | — |
| Technology | picoPower low-power AVR | — |
| Mounting Type | Surface Mount | Surface Mount |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL Level] | — |
| RoHS Status | unknown | Compliant (GREEN package per Microchip classification) |
| Data Bus Width | — | 8 Bit |
| Maximum Clock Speed | — | 8 MHz |
| Flash Memory | — | 64KB (32K x 16), In-System Programmable |
| ADC Resolution | — | 10-bit |
| I/O Ports | — | 53 I/O lines |
| Supply Voltage | — | 1.8 V (V-variant extended low-voltage range) |
| In-System Programming | — | Yes (ICSP) |
| Life Cycle Stage | — | ACTIVE |