74AHCT157PW,118

Signal Switches, Multiplexers, Decoders Overview

The 74AHCT157PW,118 is a quad 2-input multiplexer manufactured by Nexperia. It selects 4 bits of data from two sources under the control of a common data select input (S). The enable input (E) is active LOW; when HIGH, all outputs are forced LOW. It operates with TTL input levels and features balanced propagation delays. Recommended operating conditions specify a supply voltage range of 4.5 V to 5.5 V and an ambient temperature range of -40 °C to +125 °C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Operates with TTL input levels for compatibility with Low Power Schottky TTL (LSTTL)
• All inputs have Schmitt-trigger action
• Inputs accept voltages higher than VCC
• Multiple input enable for easy expansion

Signal Switches, Multiplexers, Decoders Applications

• Moving data from two groups of registers to four common output buses
• Memory chip select decoding
• Function generator implementation
• Logic implementation of a 4-pole, 2-position switch

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when TTL-compatible logic levels are required in a high-speed CMOS environment. The AHCT series ensures direct interface with LSTTL systems while maintaining CMOS performance characteristics. Ensure the application requires a quad 2-input multiplexer configuration within the specified voltage and temperature ranges.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to the 74AHC/AHCT157 family of quad 2-input multiplexers. It is pin compatible with Low Power Schottky TTL (LSTTL) devices. The product specification complies with JEDEC standard no. 7A. The PW package variant utilizes a TSSOP16 plastic thin shrink small outline package.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct replacements include other manufacturers' 74AHCT157 equivalents in TSSOP-16 packages. Verify pinout compatibility and electrical specifications against the original datasheet before substitution.