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ATMEGA8L-8MJ
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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 32VQFN
- Series：AVR® ATmega
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8-Bit
- Speed：8MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：23
- Program Memory Size：8KB (4K x 16)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：A/D 8x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATMEGA8L-8MJ is an obsolete 8-bit AVR RISC microcontroller manufactured by Microchip Technology. It features a 44-VQFN (7x7) surface-mount package with 32 I/O pins. The device includes 16KB of in-system programmable Flash memory, 512 bytes of EEPROM, and 1KB of SRAM. It operates on a supply voltage range of 2.7V to 5.5V and supports a maximum clock frequency of 8MHz. The component is rated for industrial temperatures from -40°C to +85°C.
Feature Summary
- High-performance 8-bit AVR RISC architecture enabling up to 16 MIPS throughput at maximum speed.
- Integrated non-volatile memory system supporting in-system programming and read-while-write operations.
- Comprehensive peripheral set including multiple timers, PWM channels, and serial communication interfaces.
Applications
- Industrial control systems requiring robust processing within industrial temperature ranges.
- Embedded applications utilizing the VQFN form factor for compact surface-mount designs.
- Battery-powered devices leveraging low-power consumption modes.
Procurement Notes
This specific part number is officially classified as obsolete or not recommended for new designs. Procurement should focus on verifying the authenticity of remaining stock from authorized distributors. Engineers must confirm that legacy inventory meets current project requirements before acquisition, as direct manufacturing support may be limited.
Selection Notes
Designers seeking this component should evaluate its obsolete status carefully. Modern alternatives within the megaAVR family offer enhanced performance and active support. If replacement is necessary, select parts with compatible pinouts and sufficient memory resources while ensuring availability through active supply chains.
Part Context
The ATMEGA8L-8MJ belongs to the ATmega8L product line, characterized by low-voltage operation and high endurance. It utilizes the standard AVR core architecture known for efficiency. The 'MJ' suffix denotes the specific 44-pin VQFN packaging variant, distinguishing it from other package types like PDIP or TQFP within the same series.
Replacement Considerations
Direct substitutes include the ATMEGA16L-8MU. Designers should verify pin compatibility and memory size differences when migrating to newer generations of microcontrollers.
