AT89C51-33JI
- Mfr.Part #
- AT89C51-33JI
- Manufacturer
- Microchip Technology
- Package / Case
- 44-LCC (J-Lead)
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 44PLCC
- Stock
- 39,069
- In Stock :
- 39,069
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of I/O :
- 32
- Base Product Number :
- AT89C51
- RAM Size :
- 128 x 8
- Connectivity :
- UART/USART
- Program Memory Size :
- 4KB 4K x 8
- Operating Temperature :
- -40°C~85°C TA
- Mounting Type :
- Surface Mount
- Package :
- Tube
- Core Size :
- 8-Bit
- Product Status :
- Obsolete
- Base Part Number :
- AT89C51
- Series :
- 89C
- RoHS Status :
- Non-RoHS Compliant
- EEPROM Size :
- --
- Voltage - Supply (Vcc/Vdd) :
- 4V~6V
- Supplier Device Package :
- 44-PLCC (16.59x16.59)
- Published :
- 2016
- Data Converters :
- --
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Oscillator Type :
- Internal
- Program Memory Type :
- Flash
- Peripherals :
- --
- Speed :
- 33MHz
- Packaging :
- Tube
- Package / Case :
- 44-LCC (J-Lead)
- Core Processor :
- 80C51
- Datasheets
- AT89C51-33JI

Microcontrollers Microchip Technology AT89C51-33JI Overview
The Microcontrollers Microchip Technology AT89C51-33JI is a powerful and versatile 8-bit microcontroller that is ideal for embedded applications requiring a compact, yet efficient microcontroller. Engineered by Microchip Technology, this MCU is built around a robust 8051 core, capable of executing powerful instructions with clock speeds up to 33 MHz. Its integrated 4KB of flash memory ensures ample space for application code, making it a reliable choice for developers looking to maximize performance in space-constrained environments.
AT89C51-33JI Features
- 8-bit 8051-compatible microcontroller (MCU)
- 4KB of on-chip flash memory
- Operating speed up to 33 MHz
- 44-pin PLCC (Plastic Leaded Chip Carrier) package
- Low power consumption and high performance
- Multiple 32-bit I/O ports for enhanced connectivity
- Integrated Watchdog timer for system reliability
AT89C51-33JI Applications
- Consumer Electronics: Used in various consumer electronics such as toys, cameras, and home appliances, where the MCU controls user interfaces, sensors, and actuators.
- Industrial Automation: Ideal for automation systems where robust control and reliability are required, such as in assembly lines and robotic systems.
- Automotive Applications: Implements control systems in vehicles, particularly in dashboard instruments, entertainment systems, and engine management.
- Telecommunications: Utilized in communication equipment, including modems and network switches, where fast data processing and reliability are critical.
- Healthcare Devices: Embedded in medical devices such as monitors and diagnostic equipment for reliable, real-time data processing and patient monitoring.
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