ATMEGA6450V-8AU vs ATMEGA640-16AUR Comparison
Detailed side-by-side comparison of ATMEGA6450V-8AU by Microchip Technology and ATMEGA640-16AUR 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
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU ✓ ActiveMicrochip Technology
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA6450V-8AU | ATMEGA640-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Data Bus Width | 8 Bit | — |
| Maximum Clock Speed | 8 MHz | — |
| Flash Memory | 64KB (32K x 16), In-System Programmable | — |
| EEPROM | 2KB | 4 KB |
| SRAM | 4KB | 8 KB |
| ADC Resolution | 10-bit | — |
| I/O Ports | 53 I/O lines | — |
| Supply Voltage | 1.8 V (V-variant extended low-voltage range) | — |
| Instructions | 130 powerful instructions, most single-cycle | — |
| In-System Programming | Yes (ICSP) | — |
| Package | 100-TQFP (14 x 14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A-grade industrial) | -40C to +85C (industrial) |
| Life Cycle Stage | ACTIVE | — |
| LCD Controller | Integrated segment LCD drive (6450 family) | — |
| RoHS Status | Compliant (GREEN package per Microchip classification) | Compliant |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Maximum CPU Clock | — | 16 MHz |
| Operating Voltage (Vcc) | — | 4.5 V to 5.5 V |
| General-Purpose I/O Lines | — | 86 |
| General-Purpose Working Registers | — | 32 |
| Timer/Counters | — | 6 flexible timer/counters with compare/PWM |
| ADC | — | 10-bit, 8/16-channel |
| USART | — | 2 programmable serial USARTs |
| SPI | — | 1 master/slave SPI |
| TWI (I2C-compatible) | — | 1 byte-oriented 2-wire interface |
| Analog Comparator | — | On-chip |
| Watchdog Timer | — | Programmable, with separate on-chip oscillator |
| In-System Programmable (ISP) | — | Yes |