ATMEGA640V-8AU vs ATMEGA64L-8AQ Comparison
Detailed side-by-side comparison of ATMEGA640V-8AU by Microchip Technology and ATMEGA64L-8AQ 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 ✓ ActiveMicrochip Technology
ATMEGA64L-8AQ - 8-Bit AVR MCU, 64KB Flash, 8MHz TQFP-64 | Microchip
ATMEGA64L-8AQ ✗ End of LifeSpecification Comparison
| Parameter | ATMEGA640V-8AU | ATMEGA64L-8AQ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $7.50 |
| Core Architecture | 8-bit AVR RISC | AVR RISC, 130 instructions |
| Max Clock Frequency | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 86 lines | — |
| Timers/Counters | 6 | — |
| USART Interfaces | 4 | — |
| Serial Interfaces | SPI, 2-wire (I2C-compatible), 4x USART | — |
| ADC | 10-bit, 16-channel | — |
| Analog Comparator | Yes, on-chip | — |
| Watchdog Timer | Yes, with separate on-chip oscillator | — |
| External Memory Interface | EBI/EMI | — |
| Package | 100-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | — |
| Series | AVR ATmega | AVR ATmega64 |
| RoHS Status | Compliant | — |
| Core Size | — | 8-Bit |
| Maximum Clock Frequency | — | 8 MHz |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| EEPROM Size | — | 2 KB |
| SRAM Size | — | 4 KB |
| ADC Resolution | — | 10-bit |
| Number of ADC Channels | — | 8 |
| General Purpose Registers | — | 32 x 8 |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Communication Interfaces | — | 2x USART, SPI, TWI (I2C) |
| Operating Voltage | — | 2.7 V to 5.5 V (L grade) |
| Operating Temperature | — | -40C to +85C |
| Life Cycle | — | Mature; not recommended for new designs (replaced by ATmega64A) |