ATMEGA640-16CUR vs ATMEGA640V-8AUR Comparison
Detailed side-by-side comparison of ATMEGA640-16CUR by Microchip Technology and ATMEGA640V-8AUR 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
ATMEGA640-16CUR - 8-Bit AVR MCU 64KB 16MHz 100-CBGA | Microchip
ATMEGA640-16CUR ✓ ActiveMicrochip Technology
ATMEGA640V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz TQFP-100 | Microchip
ATMEGA640V-8AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640-16CUR | ATMEGA640V-8AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.72 | $9.60 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 64 KB (32K x 16) ISP Flash | — |
| SRAM | 8 KB (8K x 8) | — |
| EEPROM | 4 KB | — |
| Maximum Clock Frequency | 16 MHz | 8 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 86 lines | — |
| Working Registers | 32 general purpose registers | — |
| USART | 4 programmable serial USART | 2/4 programmable serial USART |
| SPI | Master/Slave SPI serial interface | — |
| TWI | Byte-oriented 2-wire serial interface | — |
| ADC | 8/16-channel, 10-bit | — |
| Analog Comparator | On-chip | On-chip |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Package | 100-CBGA (9x9 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming / Debug | ISP, ICSP (2 I/O pins + reset) | — |
| Product Series | AVR ATmega | — |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Flash Memory Size | — | 64 KB (32K x 16) |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Number of I/O | — | 86 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8/16 |
| Connectivity | — | EBI/EMI, I2C (TWI), SPI, UART/USART |
| Timers/Counters | — | Six flexible timer/counters |
| General Purpose Working Registers | — | 32 |
| Packaging | — | Tape & Reel (TR) |
| RoHS Status | — | Compliant (GREEN per FindIC listing) |