ATMEGA64L-8AU vs ATMEGA64A-AUR Comparison
Detailed side-by-side comparison of ATMEGA64L-8AU by Microchip Technology and ATMEGA64A-AUR 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 β ActiveMicrochip Technology
ATMEGA64A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA64A-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA64L-8AU | ATMEGA64A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.55 | $4.10 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Architecture | AVR enhanced RISC, 130 instructions | β |
| Speed | 8 MHz | β |
| Flash Memory | 64KB (32K x 16) In-System Programmable | β |
| EEPROM | 2KB | β |
| SRAM | 4KB | β |
| Operating Voltage Range | 2.7 V to 5.5 V | β |
| General Purpose I/O | 53 lines | 53 lines |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit (from manufacturer product summary) |
| Timers/Counters | 4 (with compare modes and PWM) | 4 flexible timer/counters with compare modes and PWM |
| USART | 2 | β |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | β |
| JTAG | Yes (boundary scan, on-chip debug) | β |
| RTC | Real Time Counter with separate oscillator | β |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Note | Mature product, not recommended for new designs; replaced by ATmega64A | β |
| Core Architecture | β | 8-bit AVR RISC |
| Program Memory Size | β | 64KB (32K x 16) ISP Flash |
| EEPROM Size | β | 2KB |
| SRAM Size | β | 4KB |
| Maximum CPU Speed | β | 16MHz |
| Working Registers | β | 32 general purpose |
| Communication Interfaces | β | 2x USART, SPI, TWI (I2C compatible) |
| Oscillator Type | β | Internal |
| Debug / Test | β | JTAG for on-chip debug and boundary scan |
| Operating Temperature Range | β | Industrial (-40C to +85C) |
| Packaging | β | Tape & Reel (TR) |
| RoHS Status | β | Compliant (GREEN per FindIC listing) |
| Pin Compatibility | β | 100% pin compatible with ATmega103 |