54194W

Overview

The SN54194W is a high-reliability shift register manufactured by Rochester Electronics. It features a serial-in, parallel-out architecture designed for military and aerospace applications requiring extended temperature operation. The device utilizes hermetic ceramic packaging to ensure durability in harsh environments. It supports standard logic levels and provides stable data storage capabilities for critical systems.

Feature Summary

• Serial input with parallel output configuration
• Hermetically sealed ceramic construction
• Extended temperature range capability

Applications

• Military communication systems
• Aerospace data processing
• Harsh environment control units

Procurement Notes

Verify the specific manufacturer lot code and date code against the datasheet requirements. Confirm that the hermetic seal integrity meets MIL-PRF-38534 standards. Ensure the package variant matches the required pinout and thermal specifications for the target application.

Selection Notes

Select this component when military-grade reliability and radiation hardness are required. Compare performance metrics such as propagation delay and power consumption against commercial alternatives. Verify compatibility with existing system voltage levels and interface protocols before integration.

Part Context

Rochester Electronics specializes in lifecycle management of obsolete and hard-to-find semiconductors. This part belongs to the SN54 series, which denotes military-grade specifications. The company ensures supply continuity for legacy components used in long-term defense and industrial projects.

Replacement Considerations

Check for direct cross-reference numbers from original manufacturers like Texas Instruments. Verify pin compatibility and electrical characteristics before substitution.