74LV138PW/AUJ

Signal Switches, Multiplexers, Decoders Overview

The 74LV138PW/AUJ is a 3-to-8 line decoder and demultiplexer manufactured by Nexperia. It decodes three binary weighted address inputs (A0, A1, A2) to eight mutually exclusive active LOW outputs (Y0 to Y7). The device features three enable inputs: two active LOW (E1, E2) and one active HIGH (E3). It operates within a wide supply voltage range of 1.0 V to 5.5 V and complies with JEDEC standards for various voltage levels. The component is housed in a TSSOP16 plastic package (SOT403-1) and supports an ambient operating temperature range from -40 °C to +125 °C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Supports parallel expansion to a 1-of-32 decoder using four ICs and one inverter
• Capable of functioning as an eight-output demultiplexer via enable input configuration
• Includes input clamp diodes allowing interface to voltages exceeding VCC
• Provides high latch-up immunity exceeding 100 mA per JESD 78 Class II Level B

Signal Switches, Multiplexers, Decoders Applications

• Memory chip select decoding
• Demultiplexing data signals
• Address decoding in digital systems

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature grade. Ensure the requested variant matches the required JEDEC compliance level and ESD protection specifications. Confirm that the TSSOP16 package dimensions align with the target PCB footprint requirements before finalizing procurement orders.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing circuits requiring low power dissipation and direct TTL level interfacing. It is suitable for applications needing multiple enable inputs for system expansion or demultiplexing functions. Consider the wide supply voltage range and robust ESD protection characteristics for environments with varying electrical noise or static discharge risks.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LV series of logic components, designed for low-voltage CMOS applications. The 74LV138 specifically addresses the need for efficient address decoding and signal distribution in modern electronic systems. Its compatibility with standard logic families and extensive operating temperature range makes it versatile for industrial and consumer electronics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The SN74LV138APWRG4 from Texas Instruments serves as a functional equivalent offering identical logical operations and pinout compatibility.