ATMEGA645-16AI vs ATMEGA6450V-8AU Comparison
Detailed side-by-side comparison of ATMEGA645-16AI 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
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI β ActiveMicrochip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA645-16AI | ATMEGA6450V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.45 | $2.31 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Program Memory | 64 KB (32K x 16) ISP | β |
| SRAM | 4 KB | 4KB |
| EEPROM | 2 KB | 2KB |
| Maximum Clock Frequency | 16 MHz | β |
| Throughput | 16 MIPS at 16 MHz | β |
| Operating Voltage Range | 2.7 V to 5.5 V | β |
| ADC | 8-channel, 10-bit | β |
| Programmable I/O | 68 (device), 54 available on 64-TQFP | β |
| JTAG Interface | Yes (on-chip debugging and boundary scan) | β |
| Instruction Set | 130 instructions, mostly single-cycle | β |
| Operating Temperature | -40C to +85C (industrial, I grade) | -40C to +85C (A-grade industrial) |
| Package | 64-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Interfaces | USART, SPI, TWI (I2C) | β |
| ISP Capability | In-System Programmable Flash | β |
| RoHS Status | Compliant | Compliant (GREEN package per Microchip classification) |
| Data Bus Width | β | 8 Bit |
| Maximum Clock Speed | β | 8 MHz |
| Flash Memory | β | 64KB (32K x 16), In-System Programmable |
| ADC Resolution | β | 10-bit |
| I/O Ports | β | 53 I/O lines |
| Supply Voltage | β | 1.8 V (V-variant extended low-voltage range) |
| Instructions | β | 130 powerful instructions, most single-cycle |
| In-System Programming | β | Yes (ICSP) |
| Life Cycle Stage | β | ACTIVE |
| LCD Controller | β | Integrated segment LCD drive (6450 family) |