ATMEGA64L-8AJ vs ATMEGA64L-8AU Comparison
Detailed side-by-side comparison of ATMEGA64L-8AJ 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
ATMEGA64L-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA64L-8AU β ActiveSpecification Comparison
| Parameter | ATMEGA64L-8AJ | ATMEGA64L-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.75 | $4.55 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory (Flash) | 64KB (32K x 16) | β |
| SRAM | 4KB | 4KB |
| EEPROM | 2KB | 2KB |
| Maximum Clock Speed | 8MHz | β |
| Supply Voltage | 2.7V to 5.5V | β |
| Data Bus Width | 8 bit | β |
| I/O Ports | 53 I/O lines | β |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| Communication Interfaces | I2C (TWI), SPI, 2x UART/USART | β |
| Timers | 2x 8-bit, 2x 16-bit | β |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| On-Chip Debug | JTAG (IEEE 1149.1) | β |
| External Memory Interface | Yes (expandable SRAM) | β |
| Lifecycle Stage | ACTIVE | β |
| Approximate Throughput | Up to 8 MIPS at 8MHz | 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 |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| General Purpose I/O | β | 53 lines |
| Timers/Counters | β | 4 (with compare modes and PWM) |
| 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 |