ATMEGA640-16AUR vs ATMEGA6450V-8AU Comparison
Detailed side-by-side comparison of ATMEGA640-16AUR 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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA640-16AUR β ActiveMicrochip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA640-16AUR | ATMEGA6450V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.90 | $2.31 |
| Core | AVR 8-bit RISC | β |
| Core Size | 8-bit | β |
| Max Clock Frequency | 16 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 | 4.5 V to 5.5 V | β |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (A-grade industrial) |
| GPIO Count | 86 | β |
| Timers/Counters | 6 (flexible timer/counters) | β |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8/16-channel | β |
| USART | 2 (programmable serial USART) | β |
| SPI | Yes (master/slave SPI serial interface) | β |
| TWI (I2C) | Yes (byte-oriented 2-wire serial interface) | β |
| Watchdog Timer | Programmable, with separate on-chip oscillator | β |
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | β |
| RoHS Status | Compliant | Compliant (GREEN package per Microchip classification) |
| Core Architecture | β | AVR 8-bit RISC |
| Data Bus Width | β | 8 Bit |
| Maximum Clock Speed | β | 8 MHz |
| 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) |