SN74F27NG4

Overview

The SN74F27NG4 is a Texas Instruments logic gate featuring three independent 3-input positive-NOR gates. It utilizes F-series bipolar technology and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides a low-level output current of 64 mA and a high-level output current of -250 µA, with an average propagation delay of 18 ns. It is housed in a 14-pin PDIP package and supports through-hole mounting across an operating temperature range of 0°C to +70°C.

Feature Summary

• Contains three independent 3-input positive-NOR logic gates
• Features high-speed F-series bipolar technology for rapid signal processing
• Provides robust low-level output drive capability

Applications

• Digital logic circuit design requiring NOR functionality
• Data processing systems utilizing standard TTL-compatible interfaces
• Industrial control applications operating within commercial temperature ranges

Procurement Notes

Verify the specific G4 suffix indicates lead-free composition and RoHS compliance during procurement. Confirm the PDIP-14 package style matches the target PCB footprint requirements. Ensure the supplier source aligns with original manufacturer distribution channels to guarantee component authenticity and traceability.

Selection Notes

Select this component when designing circuits that require multiple 3-input NOR functions within a single integrated circuit. The F-series offers superior speed compared to standard LS or HC families. Verify that the system power supply remains strictly within the 4.5 V to 5.5 V operational limits to ensure reliable performance.

Part Context

This part belongs to the SN74F series of high-speed bipolar logic devices manufactured by Texas Instruments. The series is designed for applications demanding faster switching speeds than standard TTL logic families while maintaining compatible interface characteristics. The SN74F27 specifically implements triple 3-input NOR logic functions.

Replacement Considerations

SN74F27N