Texas Instruments SN74HCT138DG4 Signal Switches, Multiplexers and Decoders
IC DECODER/DEMUX 1X3:8 16SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HCT138DG4
Series
Base Model
Detailed Description
3-line to 8-line decoder/demultiplexer IC featuring 8 output lines and 3 input lines. Operates with a 5V supply voltage, supporting a range of 4.5V to 5.5V. Offers a bandwidth of 28MHz and a propagation delay of 45ns. Designed for surface mounting in a 16-SOIC package, this CMOS technology component is RoHS compliant and operates across a temperature range of -40°C to 85°C.
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74HCT138DG4 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74HCT138DG4 Signal Switches, Multiplexers and Decoders technical specifications.
General
Series
74HCT
RoHS
Yes
Number of Channels
1
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
5V
Lifecycle Status
Active
Bandwidth
28MHz
Package
SOIC
Alternate Parts Comparison (SN74HCT138DG4 vs SN74HCT00PWR vs SN74HCT08ANSR vs SN74HCT04DRE4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | TSSOP | SOP | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 5V | 5 V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Lifecycle Status | Active | Active | Obsolete | Active |
| Current Output High Low | 4mA, 4mA | 4mA, 4mA | 4mA, 4mA | 4mA, 4mA |
| Number of Inputs | 3 | 2 | 2 | 1 |
| Series | 74HCT | 74HCT | 74HCT | -- |
| RoHS | Yes | Yes | Compliant | -- |
| Logic Function | Demultiplexer, Decoder | NAND GATE | AND GATE | -- |
| Current Quiescent Max | -- | 2 µA | 2 µA | 2 µA |
| Logic Level High | -- | 2 V | 3.98V ~ 4.4V | 2V |
| Action |
Texas Instruments SN74HCT138DG4 Signal Switches, Multiplexers and Decoders Overview
3-line to 8-line decoder/demultiplexer IC featuring 8 output lines and 3 input lines. Operates with a 5V supply voltage, supporting a range of 4.5V to 5.5V. Offers a bandwidth of 28MHz and a propagation delay of 45ns. Designed for surface mounting in a 16-SOIC package, this CMOS technology component is RoHS compliant and operates across a temperature range of -40°C to 85°C.
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC74VHCT138ADR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
3-to-8 Line Decoder IC, SOIC, CMOS, 3V-5.5V
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