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