SN74F21DRG4

Overview

The SN74F21DRG4 is a dual four-input AND gate integrated circuit manufactured by Texas Instruments. It belongs to the 74F series of logic devices and utilizes bipolar technology for high-speed operation. The component is housed in a 14-pin Small Outline Integrated Circuit (SOIC) package with a width of 3.90 mm. It operates within a supply voltage range of 4.5 V to 5.5 V. The device supports a maximum propagation delay of 5.1 ns at 5 V with a 50 pF load. It functions reliably across an operating temperature range of 0°C to 70°C.

Feature Summary

• Provides two independent four-input AND logic functions within a single package.
• Utilizes bipolar technology to achieve high-speed switching capabilities suitable for demanding digital applications.
• Features a standard 14-pin surface-mount SOIC footprint for efficient PCB layout integration.

Applications

• Digital logic circuits requiring multi-input AND operations
• High-speed data processing systems
• Microprocessor interface logic

Procurement Notes

Verify the specific suffix DRG4 to confirm the reel packaging format and lead-free composition. Ensure the procurement order matches the required tape-and-reel quantity specifications. Confirm that the application environment remains within the specified 0°C to 70°C operational temperature limits. Validate that the system power supply strictly adheres to the 4.5 V to 5.5 V range to prevent device malfunction or damage.

Selection Notes

Select this component when a dual four-input AND function is required in a compact surface-mount package. The 74F series offers faster performance compared to standard 74LS counterparts but consumes more power. Consider the 5.5 V maximum supply voltage constraint when designing power rails. Evaluate the 5.1 ns propagation delay against system timing requirements to ensure signal integrity is maintained.

Part Context

This part is a variant of the SN74F21, distinguished by the G4 suffix indicating green/RoHS-compliant manufacturing and specific reel packaging. It is part of the broader 74F family known for speed-optimized bipolar logic. The DRG4 designation specifies the SOIC-14 package type and tape-and-reel delivery method, differentiating it from tube-packaged equivalents like the SN74F21D.

Replacement Considerations

• SN74F21D