ATMEGA640V-8AU vs ATMEGA6450V-8AU Comparison
Detailed side-by-side comparison of ATMEGA640V-8AU 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
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU β ActiveMicrochip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA640V-8AU | ATMEGA6450V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $2.31 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Max Clock Frequency | 8 MHz | β |
| Flash Memory | 64 KB (32K x 16) | 64KB (32K x 16), In-System Programmable |
| SRAM | 8 KB | 4KB |
| EEPROM | 4 KB | 2KB |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| General Purpose I/O | 86 lines | β |
| Timers/Counters | 6 | β |
| USART Interfaces | 4 | β |
| Serial Interfaces | SPI, 2-wire (I2C-compatible), 4x USART | β |
| ADC | 10-bit, 16-channel | β |
| Analog Comparator | Yes, on-chip | β |
| Watchdog Timer | Yes, with separate on-chip oscillator | β |
| External Memory Interface | EBI/EMI | β |
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | β |
| Series | AVR ATmega | β |
| RoHS Status | Compliant | Compliant (GREEN package per Microchip classification) |
| Data Bus Width | β | 8 Bit |
| Maximum Clock Speed | β | 8 MHz |
| 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) |
| Operating Temperature | β | -40C to +85C (A-grade industrial) |
| Life Cycle Stage | β | ACTIVE |
| LCD Controller | β | Integrated segment LCD drive (6450 family) |