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