SN74F151BDR

Overview

The SN74F151BDR is a high-speed silicon-gate CMOS 8-line-to-1-line data selector/multiplexer from Texas Instruments. It operates within a supply voltage range of 2V to 6V and features eight data inputs, three address select inputs, and complementary outputs. The device includes an active-low enable input for controlling data flow. Packaged in a 16-pin SOIC (Narrow) surface-mount format, it supports operation across a temperature range of -40°C to +85°C. Propagation delay is typically 13ns at 5V, ensuring efficient signal routing in digital logic applications.

Feature Summary

• Provides 8-to-1 data selection capability with complementary outputs
• Features an active-low enable input for precise control of data transmission
• Utilizes high-speed silicon-gate CMOS technology for low power consumption

Applications

• Data routing in digital communication systems
• Address decoding in microprocessor-based designs
• Waveform generation and switching circuits

Procurement Notes

Verify the specific suffix 'B' against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure the selected variant matches the required operating temperature range and electrical characteristics for your design. Cross-reference the ordering information directly with Texas Instruments to avoid discrepancies in packaging or performance ratings.

Selection Notes

Select this component when an 8-channel multiplexer with complementary outputs is required. Compare propagation delays and power dissipation against other logic families like HC or LS. Confirm that the 16-pin SOIC package fits the PCB layout constraints. Verify that the 2V to 6V supply range aligns with the system's voltage rails.

Part Context

This part belongs to the SN74F series of high-speed CMOS logic devices. It functions as a standard 8-line data selector, similar to the TTL-based 74151 but with CMOS advantages. The family offers improved speed over standard logic while maintaining compatibility with existing digital interfaces. It serves as a fundamental building block for complex data handling tasks.

Replacement Considerations

Check for direct equivalents such as the SN74HC151 or SN74HCT151 depending on voltage level requirements. Verify pinout compatibility before substitution. Ensure that the replacement device meets the same propagation delay and power consumption standards.