MC74LCX157DT

Signal Switches, Multiplexers, Decoders Overview

The MC74LCX157DT is a low-voltage CMOS quad 2-input multiplexer with non-inverting outputs, manufactured by onsemi. It operates from a 2.3 V to 3.6 V supply and features 5 V-tolerant inputs capable of interfacing with 5 V TTL logic. The device provides balanced output sink and source current capabilities of 24 mA. It utilizes a TSSOP-16 package (CASE 948F) and supports an operating temperature range of -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Features 5 V tolerant inputs for safe interfacing with 5 V devices while operating at lower voltages.
• Provides high impedance TTL compatible inputs to significantly reduce current loading on input drivers.
• Offers balanced 24 mA output drive capability for improved switching noise performance.
• Designed for near zero static supply current to substantially reduce system power requirements.

Signal Switches, Multiplexers, Decoders Applications

• Data selection between two sources using Select and Enable inputs.
• Function generation applications utilizing the multiplexer configuration.
• Interface capability between 5 V TTL logic and low-voltage CMOS systems.

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'DT' corresponds to the TSSOP-16 package variant when sourcing components. Confirm that the procurement matches the manufacturer's standard shipping units for this package type. Ensure compliance with RoHS directives if lead-free status is required for the assembly process. Cross-reference the datasheet revision to confirm pinout consistency.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for designs requiring low voltage operation between 2.3 V and 3.6 V with robust 5 V tolerance. The TSSOP-16 package is suitable for surface mount applications requiring compact footprint. Consider the 24 mA output drive strength for driving moderate loads without external buffering. Verify input leakage characteristics against system power constraints.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LCX series of low-voltage CMOS logic devices produced by onsemi. The LCX family is characterized by its compatibility with both LVTTL and LVCMOS standards. It serves as a direct replacement for legacy 74HC or 74HCT devices in low-power applications requiring 5 V tolerance.

Signal Switches, Multiplexers, Decoders Replacement Considerations

MC74LCX157DR2G

Signal Switches, Multiplexers, Decoders FAQ

What is the maximum input voltage allowed for the MC74LCX157DT?

The device features 5 V tolerant inputs, allowing them to be safely driven from 5 V devices with a maximum input voltage specification of 5.5 V.

How many independent multiplexer circuits are contained in this package?

The MC74LCX157DT contains four independent 2-input multiplexer circuits, providing a total of four outputs.