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Product Detailed Parameters
- Description：IC DECODER/DEMUX 1X3:8 16TSSOP
- Series：74HC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Decoder/Demultiplexer
- Circuit：1 x 3:8
- Independent Circuits：1
- Current - Output High, Low：5.2mA, 5.2mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：2V ~ 6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
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Overview
The SN74HC138PWRE4 is a 3-to-8 decoder and demultiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features active-low outputs. The device incorporates three enable inputs to simplify cascading or data reception applications. It is designed for high-speed memory decoding and data-routing systems requiring short propagation delays.
Feature Summary
- Designed specifically for high-speed memory decoders and data-transmission systems
- Incorporates three enable inputs to simplify cascading or data reception
- Active low outputs where the selected output is pulled low
Applications
- LED Displays
- Servers
- White Goods
- Power Infrastructure
- Building Automation
Procurement Notes
Verify the specific package type, TSSOP-16, and confirm RoHS compliance status during procurement. Ensure the ordering suffix matches the required reel quantity and lead finish specifications. Cross-reference the manufacturer part number with official documentation to validate authenticity and revision history before integration into designs.
Selection Notes
Select this component when a 3-to-8 decoding function is required in space-constrained surface-mount designs. The TSSOP-16 package offers a compact footprint suitable for dense PCB layouts. Consider the wide operating voltage range and low power consumption characteristics when evaluating compatibility with existing system architectures.
Part Context
This device belongs to the SNx4HC138 family of 3-line to 8-line decoders and demultiplexers. It utilizes CMOS technology to provide balanced output drive capabilities. The product line includes various package options such as SOIC, SSOP, PDIP, and TSSOP to accommodate different manufacturing and thermal requirements across diverse electronic applications.
Replacement Considerations
SN74HC138PWR
FAQ
How many enable inputs does the SN74HC138PWRE4 have?
The device incorporates three enable inputs: one active-high (G1) and two active-low (G2A, G2B).
What is the logic state of the active output?
The selected output is pulled LOW, while the remaining outputs are all HIGH.
