MC908JB8JDWE

Microcontrollers Overview

The MC908JB8JDWE is an 8-bit microcontroller from the MC68HC908JB8 series, manufactured by NXP (formerly Freescale). It features the HC08 core with a maximum clock frequency of 3 MHz. The device includes 8 kB of program memory and 256 bytes of data RAM. It provides 37 programmable I/Os and utilizes a SOIC-20 package. The component supports surface mount installation and operates within a temperature range of 0°C to +70°C.

Microcontrollers Feature Summary

• Integrates an 8-bit HC08 processor core for embedded control tasks
• Includes on-chip Flash program memory and static RAM
• Provides multiple general-purpose input/output pins for peripheral interfacing
• Supports surface-mount technology in a compact SOIC-20 package

Microcontrollers Applications

• General-purpose industrial control systems
• Consumer electronics logic control
• Simple sensor interface applications
• Basic automation modules

Microcontrollers Procurement Notes

Verify the manufacturer designation, as this part may be listed under NXP Semiconductors following corporate acquisitions. Confirm the specific suffix JDWE corresponds to the SOIC-20 package and commercial temperature range. Check RoHS compliance status and ensure the source document matches the exact part number to avoid confusion with similar JB8 variants.

Microcontrollers Selection Notes

Select this component when an 8-bit architecture with moderate I/O count is required. The 3 MHz speed suits low-complexity logic applications. Ensure the design accommodates the SOIC-20 footprint. Consider the limited operating temperature range if deployment exceeds standard commercial limits. Verify power supply requirements against system constraints.

Microcontrollers Part Context

This MCU belongs to the MC68HC908JB8 family, designed for cost-sensitive 8-bit applications. The series emphasizes simplicity and reliability for basic control functions. It represents a legacy architecture often used in established industrial and consumer products where high performance is not critical.

Microcontrollers Replacement Considerations

Check for direct pin-compatible upgrades within the same JB8 family. Verify if newer NXP equivalents maintain the HC08 instruction set compatibility. Ensure any substitute supports the same SOIC-20 package and electrical specifications.