ATMEGA649A-AUR vs ATMEGA649V-8AI Comparison
Detailed side-by-side comparison of ATMEGA649A-AUR by Microchip Technology and ATMEGA649V-8AI 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
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR ✓ ActiveMicrochip Technology
ATMEGA649V-8AI - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649A-AUR | ATMEGA649V-8AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.72 | $5.40 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Program Memory | 64 KB (32K x 16) | 64 KB (32K x 16) |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum Clock Speed | 16 MHz | — |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| I/O Ports | 53 general-purpose I/O lines | — |
| LCD Controller | Yes, on-chip with internal contrast control | Integrated segment LCD driver |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | — |
| Instructions | 130 instructions, most single-cycle | 130 instructions, most single-cycle |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Flash Programming | In-System Programmable (ISP), read-while-write | — |
| Operating Temperature Grade | Industrial | — |
| Data Bus Width | 8 bit | — |
| Lifecycle Status | Active | — |
| Max CPU Clock | — | 8 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General Purpose I/O | — | 54 I/O lines |
| ADC | — | 10-bit |
| Timers/Counters | — | Two 8-bit, two 16-bit |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Programming Interface | — | ISP / ICSP via SPI, JTAG for debug |
| Working Registers | — | 32 general purpose |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |