SNJ54S38J

Inverter Gates Overview

The SNJ54S38J is a military-grade quadruple 2-input positive-NAND buffer featuring open-collector outputs. Manufactured by Texas Instruments, it belongs to the SN54S38 series and utilizes Schottky TTL logic technology for high-speed performance. The device is housed in a hermetically sealed ceramic dual in-line package (CDIP) with 14 pins. It operates within an extended temperature range of -55°C to +125°C, ensuring reliability in harsh environments. The component is QML certified for Military and Defense Applications.

Inverter Gates Feature Summary

• Hermetically sealed ceramic construction for environmental protection
• Schottky TTL technology enabling high switching speeds
• Open-collector output configuration allowing flexible interfacing
• Extended temperature range suitable for demanding operational conditions

Inverter Gates Applications

• Military communication systems
• Defense avionics circuits
• Harsh environment data processing

Inverter Gates Procurement Notes

Verify the specific ordering suffix against the manufacturer's current Package Option Addendum to confirm pinout and material specifications. Ensure the procurement channel provides valid traceability documentation required for military-grade components. Confirm that the received units match the active production status listed in official TI records before integration into critical systems.

Inverter Gates Selection Notes

Select this component when designing systems requiring high-speed NAND logic under extreme thermal conditions. The open-collector outputs facilitate wired-OR configurations and voltage level shifting. Verify that the system power supply and load requirements align with the electrical characteristics defined in the SN54S38 datasheet to ensure proper signal integrity and noise margins.

Inverter Gates Part Context

This part is part of the SN54xx family, which denotes military qualification standards distinct from commercial SN74xx variants. The 'S' indicates Schottky technology, offering faster propagation delays compared to standard TTL. The 'J' suffix specifies the CDIP package style. This series serves as a foundational logic element in complex digital circuitry designed for aerospace and defense applications.

Inverter Gates Replacement Considerations

SNJ54S38FK

Inverter Gates FAQ

What is the primary difference between SN54S38 and SN74S38?

The SN54S38 is qualified for military and defense applications with a wider operating temperature range (-55°C to +125°C), whereas the SN74S38 is a commercial grade device typically rated for 0°C to +70°C.

What does the open-collector output imply for circuit design?

Open-collector outputs require an external pull-up resistor to function correctly. This configuration allows the output to drive different voltage levels than the logic supply and supports wired-logic connections.