100341QI

Overview

The Fairchild Semiconductor 100341QI is an 8-bit parallel-in/parallel-out shift register belonging to the 100K series. It operates with a supply voltage range of 4.5V to 5.5V and features push-pull outputs. The device supports bidirectional data transfer and provides true output states. It is designed for digital logic applications requiring data serialization or parallel-to-serial conversion. The component is available in a 28-pin PLCC package and is rated for an operating temperature range of -55°C to 125°C.

Feature Summary

• Supports bidirectional data shifting capabilities
• Features push-pull output drivers for robust signal integrity
• Provides true output states compatible with standard logic interfaces

Applications

• Digital logic data serialization tasks
• Parallel-to-serial data conversion circuits
• General-purpose shift register functions in embedded systems

Procurement Notes

Verify the specific package variant, as sources indicate both 28-PLCC and 20-CLCC configurations. Confirm the manufacturer origin, noting historical transitions between Fairchild Semiconductor and ON Semiconductor. Ensure the operating temperature grade matches the required environmental conditions for the target application.

Selection Notes

Select this component for applications requiring reliable 8-bit data storage and transfer within the specified voltage range. Consider the thermal performance at the upper temperature limit of 125°C. Evaluate the pin count and package type against the PCB layout constraints to ensure mechanical compatibility.

Part Context

This part belongs to the 100K series of high-speed ECL-compatible logic devices. These components are engineered for speed and reliability in demanding digital environments. The series typically offers low propagation delays and stable operation across wide temperature ranges, making them suitable for industrial and commercial logic applications.

Replacement Considerations

Check for equivalents from ON Semiconductor following corporate acquisitions. Verify pinout compatibility if substituting with other 8-bit shift registers from different logic families.