SN74S240NG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74S240NG4 is an octal buffer and line driver manufactured by Texas Instruments, belonging to the SN74S logic series. It features eight inverting outputs with three-state capability, allowing for effective bus-oriented connections. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports a propagation delay of 11 ns. It provides a low-level output current of 20 mA and a high-level output current of -400 uA. The component is housed in a 20-pin DIP package and functions reliably across an operating temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent inverting buffer channels for parallel data handling.
• Three-state output design enabling direct connection to system buses without additional locking circuits.
• Schottky-clamped construction ensuring high-speed switching performance and noise immunity.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers for high-speed data acquisition systems
• Clock drivers and buffering in digital signal processing architectures
• Bus-oriented communications interfaces requiring controlled impedance

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'G4' indicates lead-free packaging compliance when sourcing. Confirm the manufacturer designation matches Texas Instruments specifications. Ensure the package type corresponds to the required through-hole mounting style for the target PCB layout. Cross-reference the datasheet revision to confirm electrical characteristics match the design requirements.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring fast switching speeds and high drive capability within standard TTL logic families. The SN74S series offers superior speed compared to LS variants while maintaining compatible pinouts. Evaluate the power dissipation limits relative to the thermal environment. Consider the three-state functionality for managing multiple data sources on shared communication lines.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Texas Instruments SN74S family of Schottky TTL logic devices. The SN74S240 variant specifically addresses the need for high-speed octal buffering in complex digital systems. It serves as a critical interface component between microprocessors and peripheral memory or I/O devices.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74S240N is the non-compliant equivalent offering identical logical and electrical performance. Verify that any substitute maintains the same 20-pin DIP footprint and voltage tolerances.