74VHC157TTR

Signal Switches, Multiplexers, Decoders Overview

The STMicroelectronics 74VHC157TTR is a quad 2-channel multiplexer fabricated with advanced sub-micron silicon gate and double-layer metal wiring C2MOS technology. It operates within a supply voltage range of 2V to 5.5V, featuring high-speed performance with a typical propagation delay of 4.1 ns at 5V. The device provides low power dissipation with a maximum quiescent current of 4 µA and includes power-down protection on all inputs. It offers symmetrical output impedance and balanced propagation delays.

Signal Switches, Multiplexers, Decoders Feature Summary

• Advanced CMOS fabrication for high speed and low power consumption
• Power-down protection allowing input voltages from 0 to 7V regardless of supply
• Symmetrical output impedance ensuring balanced signal drive capabilities
• High noise immunity with defined minimum noise voltage levels

Signal Switches, Multiplexers, Decoders Applications

• Data routing in mixed 5V and 3V logic systems
• Signal selection using common select and strobe inputs
• Interface applications between different voltage domains

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized channels as the datasheet identifies this part as obsolete. Confirm package specifications match TSSOP-16 requirements. Review absolute maximum ratings carefully to prevent damage during handling or operation. Ensure environmental conditions remain within the specified operating temperature range.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a quad multiplexer with high-speed switching is required. Consider its compatibility with standard 74 series logic functions. Evaluate the need for power-down protection features for specific circuit designs. Assess the suitability of the TSSOP-16 package for the intended PCB layout constraints.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to the 74VHC series of high-speed CMOS logic devices. It is functionally compatible with the standard 74 series 157 multiplexer but utilizes modern sub-micron technology for improved performance. The TTR suffix indicates it is supplied in tape and reel packaging suitable for automated assembly processes.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for direct pin-compatible alternatives from other manufacturers that meet the same electrical specifications. Verify if newer generation components offer enhanced features while maintaining functional equivalence.