| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74AHCT138NSRE4 | Texas Instruments | Check for Price | 3-LINE TO 8-LINE DECODER, AHCT/VHCT/VT Series, Inverted Output, CMOS, PDSO16 | SN74AHCT138NSR vs SN74AHCT138NSRE4 |
| TC74VHCT138AF(EL) | Toshiba America Electronic Components | Check for Price | 3-LINE TO 8-LINE DECODER, AHCT/VHCT Series, Inverted Output, CMOS, PDSO16 | SN74AHCT138NSR vs TC74VHCT138AF(EL) |
| 74VHCT138ASJX | Fairchild Semiconductor Corporation | Check for Price | 3-LINE TO 8-LINE DECODER, AHCT/VHCT Series, Inverted Output, CMOS, PDSO16 | SN74AHCT138NSR vs 74VHCT138ASJX |
| SN74AHCT138NSRG4 | Texas Instruments | Check for Price | 3-LINE TO 8-LINE DECODER, AHCT/VHCT/VT Series, Inverted Output, CMOS, PDSO16 | SN74AHCT138NSR vs SN74AHCT138NSRG4 |
Part Details for SN74AHCT138NSR by Texas Instruments
Results Overview of SN74AHCT138NSR by Texas Instruments
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (4 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
SN74AHCT138NSR Information
SN74AHCT138NSR by Texas Instruments is a Decoder/Driver.
Decoder/Drivers are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Price & Stock for SN74AHCT138NSR
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
86283454
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Verical | Decoder/Demultiplexer Single 3-to-8 16-Pin SOP T/R RoHS: Compliant Min Qty: 475 Package Multiple: 1 | Americas - 12000 |
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$0.4895 / $0.7895 | Buy Now |
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DISTI #
86283499
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Verical | Decoder/Demultiplexer Single 3-to-8 16-Pin SOP T/R RoHS: Compliant Min Qty: 475 Package Multiple: 1 Date Code: 1001 | Americas - 4000 |
|
$0.4895 / $0.7895 | Buy Now |
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DISTI #
86282309
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Verical | Decoder/Demultiplexer Single 3-to-8 16-Pin SOP T/R RoHS: Compliant Min Qty: 475 Package Multiple: 1 Date Code: 0601 | Americas - 2000 |
|
$0.4895 / $0.7895 | Buy Now |
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DISTI #
595-SN74AHCT138NSR
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Mouser Electronics | Encoders, Decoders, Multiplexers & Demultiplexers 3-Line to 8-Line Dec oder/Demltplxr RoHS: Compliant | 1093 |
|
$0.5150 / $1.1600 | Buy Now |
|
DISTI #
595-SN74AHCT138NSR
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Mouser Electronics | Encoders, Decoders, Multiplexers & Demultiplexers 3-Line to 8-Line Dec oder/Demltplxr RoHS: Compliant | 1093 |
|
$0.5150 / $1.1600 | Buy Now |
|
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Rochester Electronics | IC Decoder/Demultiplexer 1 Element 1 x 3:8 MUX/DEMUX 4.5V - 5.5V 16-SOIC T/R RoHS: Compliant Status: Active Min Qty: 1 | 18000 |
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$0.3916 / $0.6316 | Buy Now |
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DISTI #
SN74AHCT138NSR
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TME | IC: digital, 3 to 8 line,decoder,demultiplexer, Ch: 1, IN: 3, SMD Min Qty: 1 | 0 |
|
$0.2770 / $0.6200 | RFQ |
US Tariff Estimator: SN74AHCT138NSR by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
SN74AHCT138NSR CAD Models
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SN74AHCT138NSR Part Data Attributes
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SN74AHCT138NSR
Texas Instruments
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Datasheet
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SN74AHCT138NSR
Texas Instruments
3-LINE TO 8-LINE DECODER, AHCT/VHCT/VT Series, Inverted Output, CMOS, PDSO16
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOIC | |
| Package Description | Sop-16 | |
| Pin Count | 16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Additional Feature | 3 Enable Inputs | |
| Family | Ahct/Vhct/Vt | |
| Input Conditioning | Standard | |
| JESD-30 Code | R-PDSO-G16 | |
| JESD-609 Code | e4 | |
| Length | 10.2 Mm | |
| Load Capacitance (CL) | 50 Pf | |
| Logic IC Type | 3-Line To 8-Line Decoder | |
| Max I(ol) | 0.008 A | |
| Moisture Sensitivity Level | 1 | |
| Number of Bits | 8 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Characteristics | 3-State | |
| Output Polarity | Inverted | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.3 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Packing Method | Tr | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power Supply Current-Max (ICC) | 0.04 Ma | |
| Prop. Delay@Nom-Sup | 12 Ns | |
| Propagation Delay (tpd) | 13 Ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2 Mm | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 4.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Cmos | |
| Temperature Grade | Industrial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 5.3 Mm |
Alternate Parts for SN74AHCT138NSR
This table gives cross-reference parts and alternative options found for SN74AHCT138NSR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74AHCT138NSR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
SN74AHCT138NSR Frequently Asked Questions (FAQ)
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The maximum operating frequency of the SN74AHCT138NSR is 100 MHz, but it can vary depending on the specific application and operating conditions.
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To ensure signal integrity, use proper PCB layout techniques, such as using short signal traces, minimizing impedance mismatch, and adding termination resistors as needed. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.
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Yes, the SN74AHCT138NSR can be used in a 3.3V system, but the output voltage will be limited to 3.3V. This may affect the noise margin and signal integrity, especially if the device is driving a load. Additionally, the power consumption will be lower compared to a 5V system.
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When the enable inputs (E1, E2, E3) are not used, they should be tied to a logic high (VCC) to ensure that the device is enabled. Leaving them floating can cause unpredictable behavior and increased power consumption.
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A simple POR circuit can be implemented using a resistor, capacitor, and diode. The capacitor should be connected between VCC and GND, and the resistor and diode should be connected in series between VCC and the reset pin. The values of the components will depend on the specific application and requirements.