SN74ALS08N

Overview

The SN74ALS08N is a quadruple 2-input positive-AND gate from the Texas Instruments SN74ALS series. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 14 ns at 5 V with a 50 pF load. The device provides a low-level output current of 8 mA and a high-level output current of -400 uA. It is housed in a 14-pin PDIP package and supports an operating temperature range from 0°C to +70°C.

Feature Summary

• Contains four independent 2-input AND logic gates
• Utilizes Advanced Low-power Schottky (ALS) technology for optimized performance
• Provides standard TTL-compatible input and output levels

Applications

• Digital logic circuit design
• Signal gating and switching applications
• Data acquisition systems

Procurement Notes

Verify the specific suffix 'N' corresponds to the PDIP-14 through-hole package variant rather than surface-mount options like 'DR' or 'NSR'. Confirm RoHS compliance status as indicated in official documentation, noting that some variants may carry different environmental designations. Ensure the ordering part number matches the required lead time and manufacturing site specifications provided by the manufacturer.

Selection Notes

Select this component when a balance between speed and power consumption is required compared to standard LS or S series devices. The ALS series offers faster switching speeds than LS while consuming less power than S series gates. Verify that the 4.5 V to 5.5 V supply voltage range aligns with the system's power architecture and that the 14-pin DIP package fits the available PCB footprint constraints.

Part Context

This part belongs to the widely used 74xx logic family, specifically the Advanced Low-power Schottky (ALS) sub-family. It serves as a fundamental building block for combinational logic circuits. The SN74ALS08N is functionally compatible with other 74-series logic families regarding pinout and logical operation, though electrical characteristics such as drive strength and speed differ significantly from HC, HCT, or LS counterparts.

Replacement Considerations

SN74ALS08NE4