Manufacturer Part Number

AT89C51IC2-SLSIL

Description

8-bit microcontroller. 32KB Flash memory. PLCC package (44 pins, 16.6mm x 16.6mm). Runs at 40MHz. Designed for embedded control tasks with serial interfaces and basic peripherals.

Specifications

Uses the 80C51 core. 8-bit processor. 40MHz speed. Operates between 2.7V and 3.6V. 34 general purpose I/O pins. 32KB Flash program memory. 1.25K x 8 RAM. Supports I2C, SPI, UART/USART. External oscillator. -40°C to +85°C temperature rating. Surface mount 44-PLCC (J-lead). Moisture Sensitivity Level: 2 (one year)

Device Structure

Surface mount design. 44-pin PLCC (Plastic Leaded Chip Carrier) casing. J-lead termination style. Internal Flash and RAM memory. Mixed-signal interface capability.

Performance Characteristics

Fast 40MHz operation. Reliable 8-bit processing with typical MCS-51 instruction set. Flash-based program storage, good for reprogramming. Efficient performance within industrial temperature ranges. Connects multiple peripherals using I2C, SPI, UART.

Application Environments

Best for embedded systems, industrial controllers, data acquisition, direct hardware interfacing, small automation devices, consumer electronics with serial communication needs. Suitable for environments from -40°C to +85°C.

Selection Guidelines

Choose this model for new designs requiring stable 8-bit processing, low power consumption, and simple serial connectivity. Consider the obsolete status—use for repairs, spares, or legacy equipment. Verify voltage (2.7-3.6V) and package compatibility (44-PLCC) with your system. Double check RoHS compliance if needed—this part is non-compliant.

Usage Considerations

Obsolete status means future availability may be limited. Surface mount (PLCC) requires compatible assembly process. Not recommended for new long-term projects due to discontinuation. Always check memory and I/O requirements against your application. Handle according to moisture sensitivity (MSL 2). RoHS non-compliance may restrict use based on regulatory requirements.

Potential Equivalent/Replacement Models

Direct substitute: AT89C51IC2-SLSUL.

Other compatible or alternate models may be available. For detailed matching, contact Ariat-Tech sales team for tailored guidance and additional cross-reference options. Consider other 80C51-based or similar architecture microcontrollers as possible alternatives in newer designs.

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