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