ATMEGA649V-8AI vs ATMEGA645-16AI Comparison
Detailed side-by-side comparison of ATMEGA649V-8AI by Microchip Technology and ATMEGA645-16AI 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
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI β ActiveSpecification Comparison
| Parameter | ATMEGA649V-8AI | ATMEGA645-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.40 | $6.45 |
| 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) ISP |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Operating Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 54 I/O lines | β |
| LCD Controller | Integrated segment LCD driver | β |
| ADC | 10-bit | 8-channel, 10-bit |
| 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 | β |
| Working Registers | 32 general purpose | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Maximum Clock Frequency | β | 16 MHz |
| Throughput | β | 16 MIPS at 16 MHz |
| Programmable I/O | β | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | β | Yes (on-chip debugging and boundary scan) |
| Instruction Set | β | 130 instructions, mostly single-cycle |
| Operating Temperature | β | -40C to +85C (industrial, I grade) |
| Interfaces | β | USART, SPI, TWI (I2C) |
| ISP Capability | β | In-System Programmable Flash |