ATMEGA640-16AUR vs ATMEGA640V-8AU Comparison
Detailed side-by-side comparison of ATMEGA640-16AUR by Microchip Technology and ATMEGA640V-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
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA640-16AUR | ATMEGA640V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.90 | $3.95 |
| Core | AVR 8-bit RISC | β |
| Core Size | 8-bit | β |
| Max Clock Frequency | 16 MHz | 8 MHz |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Temperature | -40C to +85C (industrial) | β |
| GPIO Count | 86 | β |
| Timers/Counters | 6 (flexible timer/counters) | 6 |
| ADC Resolution | 10-bit | β |
| 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 | Yes, with separate on-chip oscillator |
| 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 |
| Core Architecture | β | 8-bit AVR RISC |
| General Purpose I/O | β | 86 lines |
| USART Interfaces | β | 4 |
| Serial Interfaces | β | SPI, 2-wire (I2C-compatible), 4x USART |
| ADC | β | 10-bit, 16-channel |
| Analog Comparator | β | Yes, on-chip |
| External Memory Interface | β | EBI/EMI |
| Program Memory Type | β | ISP Flash |
| Series | β | AVR ATmega |