AT89C51ED2-RDTIM

Microcontrollers Overview

The AT89C51ED2-RDTIM is an 8-bit microcontroller based on the 8051 core, manufactured by Microchip Technology. It features 64 kB of Flash program memory and 2048 bytes of EEPROM data storage. The device includes 1792 bytes of extended RAM (XRAM) and 256 bytes of internal scratch pad RAM. Operating at a maximum clock frequency of 60 MHz, it supports a supply voltage range of 2.7 V to 5.5 V. The component is housed in a 44-pin TQFP package and operates within a temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates 64 kB Flash memory for code and data with ISP capability.
• Includes 2048 bytes of EEPROM for nonvolatile data storage.
• Features three 16-bit timer/counters and a 9-source interrupt controller.
• Supports high-speed execution up to 60 MHz under specific voltage conditions.

Microcontrollers Applications

• Industrial control systems
• Automotive electronics
• Smart instrumentation

Microcontrollers Procurement Notes

Verify the exact suffix RDTIM against official Microchip documentation to confirm pinout compatibility and package dimensions. Ensure the selected variant matches the required operating temperature range and voltage specifications for the target application environment before procurement.

Microcontrollers Selection Notes

Select this component when 64 kB of Flash and 2048 bytes of EEPROM are required alongside standard 8051 compatibility. Consider the 44-pin TQFP package for surface-mount assembly constraints. Verify that the 60 MHz performance requirement aligns with the 4.5V to 5.5V supply voltage condition for internal code execution.

Microcontrollers Part Context

This part belongs to the AT89C51RD2/ED2 series, which are high-performance CMOS Flash versions of the 80C51 microcontroller. The ED2 designation specifically indicates the inclusion of 2048 bytes of EEPROM, distinguishing it from variants without this data storage feature while retaining 80C52 compatibility.

Microcontrollers Replacement Considerations

Direct substitutes include other AT89C51ED2 variants with different packages, such as AT89C51ED2-RLTUM or AT89C51ED2-SLSUM, provided the pinout and thermal characteristics match the design requirements.