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Name: 74HC138DTR2G
Brand: ON Semiconductor
SKU: 74HC138DTR2G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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ON Semiconductor 74HC138DTR2G

Part No.:: 74HC138DTR2G

Manufacturer:: ON Semiconductor

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: 74HC138DTR2G.pdf

Description:: IC DECODER/DEMUX 1X3:8 16TSSOP

In Stock:: 2086

Quantity:: Add To Cart

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74HC138DTR2G Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
74HC
ProductStatus:
Obsolete
Type:
Decoder/Demultiplexer
Circuit:
1 x 3:8
IndependentCircuits:
1
Current-OutputHighLow:
5.2mA, 5.2mA
VoltageSupplySource:
Single Supply
Voltage-Supply:
2V ~ 6V
OperatingTemperature:
-55°C ~ 125°C
MountingType:
Surface Mount

74HC138DTR2G this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HC138DTR2G price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for 74HC138DTR2G to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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74HC138DTR2G information

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74HC138DTR2G Typical application Circuitry

74HC138DTR2G

74HC138DTR2G is a 3-to-8 line decoder/demultiplexer with inverting outputs. It takes three binary weighted address inputs (A0, A1, A2) and decodes them to eight outputs (Y0 to Y7), enabling the corresponding output line based on the binary value on the inputs.

Application Scenarios:

1. Memory address decoding

2. Data routing

3. Control signal generation

Parameter Features:

- Operating Voltage Range: 2.0V to 6.0V

- High fan-out

- Low power dissipation

- Inverting outputs

Example Application: Memory Address Decoding

For this example, let's consider a scenario where we need to select a specific memory block in a memory module using the 74HC138DTR2G.

1. Power Connections:

- Connect Pin 16 (VCC) to a 5V power supply and Pin 8 (GND) to the ground.

2. Input Connections:

- Connect the three address lines (A0, A1, A2) from the microcontroller to Pins 1, 2, and 3 of the 74HC138DTR2G respectively.

3. Output Connections:

- Connect the output lines (Y0 to Y7) to the eight memory blocks. For example, connect Y0 to Memory Block 0, Y1 to Memory Block 1, and so on.

4. Enable Connections:

- Connect the enable inputs (G1, G2A, G2B) to the appropriate control signals to enable or disable the decoder as required.

Design Considerations:

- Input Signal Levels:

- Ensure that the input signal levels from the microcontroller are compatible with the 74HC138DTR2G.

- Output Load:

- Verify that the load on each output is within the driving capability of the 74HC138DTR2G.

- Voltage Levels:

- Confirm that the operating voltage is within the range of 2.0V to 6.0V for the 74HC138DTR2G.

In summary, the 74HC138DTR2G is an efficient solution for decoding memory addresses and routing data in a controlled manner. By following the above-mentioned connection guidelines and considering the design considerations, one can achieve a reliable and effective memory addressing system.

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6. What is the process for return or replacement of 74HC138DTR2G?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 74HC138DTR2G.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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