DM74S241N

Overview

The DM74S241N is an octal 3-STATE noninverting buffer and line driver manufactured by onsemi. It operates within a supply voltage range of 4.75V to 5.25V and supports a free-air operating temperature from 0°C to +70°C. The device features PNP inputs that reduce DC loading on bus lines and provides hysteresis at data inputs to improve noise margins. Typical propagation delay times are 6ns for noninverting operation, with typical enable/disable times of 9ns. It utilizes a 20-Lead Plastic Dual-In-Line Package (PDIP).

Feature Summary

• Features 3-STATE outputs capable of driving bus lines directly.
• Utilizes PNP inputs to reduce DC loading on bus lines.
• Incorporates hysteresis at data inputs to enhance noise rejection capabilities.

Applications

• Memory-address drivers
• Clock drivers
• Bus-oriented transmitters/receivers

Procurement Notes

Verify the specific manufacturer origin, as Fairchild Semiconductor was acquired by onsemi. Confirm package dimensions match the N20A specification for the 20-Lead PDIP form factor. Ensure environmental compliance requirements align with the datasheet standards provided in the official documentation.

Selection Notes

Select this component when designing systems requiring high fanout outputs and improved noise margins via input hysteresis. The noninverting logic configuration distinguishes it from the DM74S240. Verify that the required propagation delay and power dissipation characteristics fit the target application constraints.

Part Context

This part belongs to the DM74S240/241/244 family of Octal 3-STATE Buffers/Line Drivers/Line Receivers. The DM74S241N specifically provides noninverting logic functionality, whereas the DM74S240 offers inverting logic. Both share identical physical packaging and general electrical characteristics.

Replacement Considerations

Public confirmed substitute part numbers: SN74AS240AN, SN74BCT240N, SN74F240N.