74AC151PC

Signal Switches, Multiplexers, Decoders Overview

The Fairchild Semiconductor 74AC151PC is an 8-input digital multiplexer housed in a 16-pin Plastic Dual In-Line Package (PDIP). It operates on a single power supply ranging from 2V to 6V. The device provides both true and complementary outputs for data selection. It supports through-hole mounting and functions within an operating temperature range of -40°C to 85°C. The component belongs to the 74AC logic series, designed for high-speed applications with reduced power consumption characteristics typical of AC family devices.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides eight selectable input lines routed to a single output channel
• Delivers simultaneous true and complementary output signals
• Supports universal function generation capabilities for logic variables

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital communication systems
• Implementation of combinational logic circuits
• Address decoding in memory architectures

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity as this part number is obsolete and no longer manufactured by Fairchild Semiconductor. Confirm package integrity and pin alignment against the 16-PDIP specification before integration. Check for lead-free compliance status if required by current assembly standards. Source replacement equivalents from active manufacturers only to ensure long-term supply chain stability.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when an 8-to-1 multiplexing function with dual polarity outputs is required in a through-hole DIP format. Ensure the design voltage falls within the 2V to 6V operational window. Consider alternative surface-mount packages if board space constraints exist. Verify that the AC series speed and drive capabilities meet the specific circuit load requirements.

Signal Switches, Multiplexers, Decoders Part Context

This device is part of the standard 74AC logic family, which offers higher speed performance compared to older HC or HCT variants while maintaining CMOS low-power advantages. The 74AC151 specifically addresses applications requiring multiple data source selection within a compact dual-in-line footprint suitable for prototyping and legacy system maintenance.

Signal Switches, Multiplexers, Decoders Replacement Considerations

CD74AC151E (Texas Instruments) is a documented similar substitute.