Texas Instruments SN74HC138DR Microcontrollers
3-to-8 Demultiplexer/Decoder IC, 28MHz, SOIC, CMOS
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HC138DR
Series
Base Model
Detailed Description
3-to-8 Demultiplexer/Decoder IC, 28MHz, SOIC, CMOS
Package
16-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
SN74HC138DR Datasheet
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Technical Specifications
Texas Instruments SN74HC138DR Microcontrollers technical specifications.
General
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2V ~ 6V
Lifecycle Status
Active
Type
Decoder/Demultiplexer
Voltage Supply Source
Single Supply
Current Output High Low
5.2mA, 5.2mA
Circuit
1 x 3:8
Independent Circuits
1
Related Parts Comparison (SN74HC138DR vs SN74HC4851DR vs SN74HC4851QDRG4Q1 vs SN74HC595DRG3)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C |
| Lifecycle Status | Active | Active | Active | Active |
| Supply Voltage | 2V ~ 6V | -- | -- | 2V ~ 6V |
| Circuit | 1 x 3:8 | -- | -- | -- |
| Current Output High Low | 5.2mA, 5.2mA | -- | -- | -- |
| Independent Circuits | 1 | -- | -- | -- |
| Type | Decoder/Demultiplexer | -- | -- | -- |
| Voltage Supply Source | Single Supply | -- | -- | -- |
| Channel Capacitance Cs Off Cd Off | -- | 22pF | 22pF | -- |
| Channel to Channel Matching Ron | -- | 3Ohm | 3Ohm | -- |
| Action |
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
MC74HC138ADR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Decoder/Demultiplexer 1 x 3:8 16-SOIC
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