AT89C51ED2-RLTIM

Microcontrollers Overview

The AT89C51ED2-RLTIM is an 8-bit microcontroller from the Microchip Technology AT89C series, utilizing an enhanced 8051 core. It features 64 kB of in-system programmable Flash memory and 2048 bytes of RAM. The device supports a maximum clock frequency of 60 MHz and operates within a voltage range of 2.7 V to 5.5 V. It includes 34 general-purpose I/O lines, three 16-bit timer/counters, and communication interfaces such as SPI and UART. The component is housed in a 44-pin VQFP package and functions across an industrial temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrated 64 kB Flash program memory for non-volatile code storage.
• Enhanced 8051 architecture supporting high-speed execution up to 60 MHz.
• On-chip EEPROM providing 2048 bytes of data storage capability.
• Dual communication modules including SPI and full-duplex UART.

Microcontrollers Applications

• Industrial control systems requiring robust processing
• Automotive electronic applications
• Smart metering devices
• Consumer electronics with embedded logic

Microcontrollers Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm pinout compatibility and package type. Ensure the ordering part number matches the required tape-and-reel configuration. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning. Cross-reference the datasheet revision date to validate all electrical specifications.

Microcontrollers Selection Notes

Select this model when a standard 8051 interface is needed alongside significant on-chip memory resources. The 60 MHz speed rating suits applications demanding faster instruction throughput than legacy variants. The wide voltage supply range facilitates integration into various power domains without external regulation.

Microcontrollers Part Context

This component belongs to the AT89C51ED2 family, which expands upon the classic AT89C51 by adding substantial internal memory and peripheral enhancements. It represents a CMOS technology implementation designed for low-power consumption while maintaining high performance. The device serves as a direct upgrade path for designs transitioning from older 8051 cores.

Microcontrollers Replacement Considerations

The AT89C51ED2-RLTUM is a documented substitute offering identical specifications in a different packaging format. Verify that the target application can accommodate the physical dimensions and pin spacing differences between the two packages.