74VHC123ASJX

Overview

The Fairchild Semiconductor 74VHC123ASJX is a dual monostable multivibrator fabricated with advanced high-speed silicon gate CMOS technology. It operates within a supply voltage range of 2 V to 5.5 V and supports an industrial temperature range from -40 °C to 85 °C. The device provides complementary outputs with drive capabilities of 8 mA for both high and low states. Key electrical characteristics include a propagation delay of 10.2 ns and a maximum of 27.5 ns, depending on specific operating conditions.

Feature Summary

• Dual independent monostable multivibrator circuits in a single package
• Advanced high-speed CMOS fabrication for fast switching performance
• Complementary output configuration for flexible signal interfacing
• Industrial temperature rating for reliable operation in varied environments

Applications

• Timing circuit generation
• Pulse width modulation
• Signal conditioning

Procurement Notes

This component is marked as obsolete and no longer in production by Fairchild Semiconductor. Verification of current availability requires checking authorized distributors for remaining stock or approved replacement alternatives. Ensure the source document explicitly confirms the part number and status before procurement planning.

Selection Notes

Select this component only if legacy compatibility with the 74VHC123A series is required. Verify that the 16-SOP package dimensions and pinout match the existing design constraints. Confirm that the dual-channel architecture meets the system's timing requirements without necessitating additional discrete components.

Part Context

The 74VHC123ASJX belongs to the VHC123A family of monostable multivibrators. It is manufactured using silicon gate CMOS technology, which enables high-speed operation while maintaining low power consumption. The device is designed for applications requiring precise pulse generation and timing control in digital systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the part is obsolete, consult official manufacturer notices for recommended cross-references or updated product line replacements.