ATMEGA64L-8AU vs ATMEGA64L-8AI Comparison
Detailed side-by-side comparison of ATMEGA64L-8AU by Microchip Technology and ATMEGA64L-8AI 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
ATMEGA64L-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA64L-8AU ✓ ActiveMicrochip Technology
ATMEGA64L-8AI - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA64L-8AI ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64L-8AU | ATMEGA64L-8AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Architecture | AVR enhanced RISC, 130 instructions | — |
| Speed | 8 MHz | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | — |
| EEPROM | 2KB | 2 KB (100,000 write cycles) |
| SRAM | 4KB | 4 KB |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 53 lines | — |
| ADC | 8-channel, 10-bit | 8-channel 10-bit successive approximation |
| Timers/Counters | 4 (with compare modes and PWM) | — |
| USART | 2 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | — |
| JTAG | Yes (boundary scan, on-chip debug) | — |
| RTC | Real Time Counter with separate oscillator | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Note | Mature product, not recommended for new designs; replaced by ATmega64A | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory | — | 64 KB self-programming Flash |
| Flash Endurance | — | 10,000 write/erase cycles |
| Maximum Clock Frequency | — | 8 MHz |
| Throughput | — | Up to 8 MIPS at 8 MHz |
| Operating Voltage | — | 2.7 V to 5.5 V |
| Operating Temperature | — | -40C to +85C |
| I/O Lines | — | 53 |
| Interfaces | — | 2x USART, SPI, I2C (TWI) |
| Debug Interface | — | JTAG (IEEE 1149.1) |
| Timers | — | 2x 8-bit, 2x 16-bit |
| PWM Channels | — | 8 |
| Instruction Set | — | 130 powerful instructions, most single-clock |
| General Purpose Registers | — | 32 x 8-bit |
| RoHS Status | — | Compliant |