100328DC

Overview

The Fairchild Semiconductor 100328DC is an octal latched bi-directional translator designed to convert between TTL and 100K ECL logic levels. It features eight functional channels with true outputs, supporting bidirectional data transfer in a single channel configuration. The device operates within a temperature range of -40 °C to +85 °C and utilizes a 24-pin Cerdip package. Key electrical characteristics include a maximum propagation delay of 5.4 ns and 3-state output capability. The component is constructed with plastic/epoxy body material and contains no latch register for data retention upon power loss.

Feature Summary

• Bi-directional translation between TTL and 100K ECL logic families
• Octal configuration with latched outputs for data retention
• 3-state output capability for bus driving applications

Applications

• TTL to ECL level shifting interfaces
• ECL to TTL level shifting interfaces
• Mixed-signal logic system interconnects

Procurement Notes

Verify RoHS compliance status as the component is listed as non-compliant in available documentation. Confirm package integrity for the 24-CDIP (0.400 inch) form factor. Ensure sourcing from authorized distributors to guarantee authenticity, as legacy logic components may have limited availability or require specific handling procedures during procurement.

Selection Notes

Select this component when interfacing systems requiring conversion between TTL and 100K ECL standards. The latched output feature is critical for maintaining data states during transitions. Consider the 24-pin Cerdip package constraints for PCB layout. Verify voltage compatibility with the target logic family before integration into the design architecture.

Part Context

The 100328DC belongs to the 100K series of high-speed ECL logic devices manufactured by Fairchild Semiconductor. This series is characterized by low power consumption and high speed, suitable for demanding digital applications. The device serves as a bridge between different logic families, facilitating communication in mixed-logic environments where TTL and ECL components coexist.

Replacement Considerations

Compatible variants include 100328DI, 100328DMQB, and 100328DMQR. Verify pinout compatibility and package dimensions before substitution. Ensure that alternative parts maintain the same latched bi-directional functionality and operating temperature ranges.