ATMEGA640V-8AU vs ATMEGA640-16CUR Comparison
Detailed side-by-side comparison of ATMEGA640V-8AU by Microchip Technology and ATMEGA640-16CUR 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
ATMEGA640-16CUR - 8-Bit AVR MCU 64KB 16MHz 100-CBGA | Microchip
ATMEGA640-16CUR β ActiveSpecification Comparison
| Parameter | ATMEGA640V-8AU | ATMEGA640-16CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $6.72 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 8 MHz | β |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) ISP Flash |
| SRAM | 8 KB | 8 KB (8K x 8) |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 86 lines | 86 lines |
| Timers/Counters | 6 | β |
| USART Interfaces | 4 | β |
| Serial Interfaces | SPI, 2-wire (I2C-compatible), 4x USART | β |
| ADC | 10-bit, 16-channel | 8/16-channel, 10-bit |
| Analog Comparator | Yes, on-chip | On-chip |
| Watchdog Timer | Yes, with separate on-chip oscillator | Programmable, separate on-chip oscillator |
| External Memory Interface | EBI/EMI | β |
| Package | 100-TQFP (14 x 14 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | β |
| Series | AVR ATmega | β |
| RoHS Status | Compliant | β |
| Maximum Clock Frequency | β | 16 MHz |
| Working Registers | β | 32 general purpose registers |
| USART | β | 4 programmable serial USART |
| SPI | β | Master/Slave SPI serial interface |
| TWI | β | Byte-oriented 2-wire serial interface |
| Programming / Debug | β | ISP, ICSP (2 I/O pins + reset) |
| Product Series | β | AVR ATmega |