ATMEGA649V-8AU vs ATMEGA649V-8AI Comparison
Detailed side-by-side comparison of ATMEGA649V-8AU 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
ATMEGA649V-8AU - 64KB Flash 8MHz LCD AVR MCU | Microchip
ATMEGA649V-8AU β ActiveMicrochip Technology
ATMEGA649V-8AI - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AI β ActiveSpecification Comparison
| Parameter | ATMEGA649V-8AU | ATMEGA649V-8AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.28 | $5.40 |
| Core | 8-bit AVR RISC | β |
| Flash Memory | 64 KB (32K x 16), ISP, read-while-write | β |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum Clock Speed | 8 MHz | β |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| General Purpose I/O | 54 I/O lines (69 available on 100-pin variant) | 54 I/O lines |
| LCD Controller | Integrated segment LCD driver (up to 25 segments x 4 commons) | Integrated segment LCD driver |
| ADC | 10-bit, 8 channels | 10-bit |
| Debug / Boundary Scan | JTAG interface (IEEE 1149.1 boundary-scan) | β |
| Working Registers | 32 general purpose registers | 32 general purpose |
| Programming | In-System Programmable (ISP), ICSP via MPLAB SNAP | β |
| Package | 64-TQFP, 14 x 14 mm | 64-TQFP (14x14 mm) |
| Operating Temperature | -40C to +85C (industrial) | β |
| Data Bus Width | 8 Bit | β |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS / Green | GREEN package per ADatasheet listing | β |
| Peripherals | Timers, USART, SPI, TWI, RTC/TOSC pins | β |
| Core Architecture | β | AVR 8-bit RISC |
| Max CPU Clock | β | 8 MHz |
| Flash Program Memory | β | 64 KB (32K x 16) |
| Operating Voltage Range | β | 1.8 V to 5.5 V |
| Timers/Counters | β | Two 8-bit, two 16-bit |
| Temperature Grade | β | Industrial (-40C to +85C) |
| Programming Interface | β | ISP / ICSP via SPI, JTAG for debug |
| Instructions | β | 130 instructions, most single-cycle |
| RoHS Status | β | [DATA_NEEDED: RoHS status] |