ATMEGA640-16AUR vs ATMEGA64L-8AQ Comparison
Detailed side-by-side comparison of ATMEGA640-16AUR 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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActiveMicrochip Technology
ATMEGA64L-8AQ - 8-Bit AVR MCU, 64KB Flash, 8MHz TQFP-64 | Microchip
ATMEGA64L-8AQ ✗ End of LifeSpecification Comparison
| Parameter | ATMEGA640-16AUR | 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) | $6.20 | $7.50 |
| Core Architecture | 8-bit AVR RISC | AVR RISC, 130 instructions |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Maximum CPU Clock | 16 MHz | — |
| Operating Voltage (Vcc) | 4.5 V to 5.5 V | — |
| General-Purpose I/O Lines | 86 | — |
| General-Purpose Working Registers | 32 | — |
| Timer/Counters | 6 flexible timer/counters with compare/PWM | — |
| ADC | 10-bit, 8/16-channel | — |
| USART | 2 programmable serial USARTs | — |
| SPI | 1 master/slave SPI | — |
| TWI (I2C-compatible) | 1 byte-oriented 2-wire interface | — |
| Analog Comparator | On-chip | — |
| Watchdog Timer | Programmable, with separate on-chip oscillator | — |
| Package | 100-pin TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C |
| In-System Programmable (ISP) | Yes | — |
| RoHS Status | Compliant | — |
| Core Size | — | 8-Bit |
| Series | — | AVR ATmega64 |
| 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) |
| Life Cycle | — | Mature; not recommended for new designs (replaced by ATmega64A) |