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Name: 74HCT138D-Q100,118
Brand: NXP USA Inc.
SKU: 74HCT138D-Q100,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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NXP USA Inc. 74HCT138D-Q100,118

Part No.:: 74HCT138D-Q100,118

Manufacturer:: NXP USA Inc.

Package:: 16-SOIC (0.154, 3.90mm Width)

Datasheet:: 74HCT138D-Q100,118.pdf

Description:: IC DECODER/DEMUX 1 X 3:8 16SO

In Stock:: 2549

Quantity:: Add To Cart

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74HCT138D-Q100,118 Specifications

Packaging:
Bulk
Series:
Automotive, AEC-Q100, 74HCT
ProductStatus:
Active
Type:
Decoder/Demultiplexer
Circuit:
1 x 3:8
IndependentCircuits:
1
Current-OutputHighLow:
4mA, 4mA
VoltageSupplySource:
Single Supply
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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74HCT138D-Q100,118 information

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74HCT138D-Q100,118 Typical application Circuitry

74HCT138D-Q100,118

The 74HCT138D-Q100,118 is a specialized variant of the integrated circuit within the esteemed 74HC/HCT series, specifically designed to meet the rigorous standards of automotive quality (Q100). This device, a 3-to-8 line decoder/demultiplexer, is tailored for high reliability and performance in automotive and other high-demand environments. The Q100 designation indicates that this component has been subjected to stringent testing and quality control measures, ensuring its suitability for applications where failure is not an option. The 74HCT138D-Q100,118 leverages high-speed Si-gate CMOS technology, providing the benefits of low power consumption and high noise immunity while maintaining compatibility with TTL (Transistor-Transistor Logic) levels. This unique combination makes it an ideal choice for interfacing with both modern CMOS and traditional TTL systems in complex automotive electronic circuits.

1. Series Overview: As part of the 74HC/HCT series, the 74HCT138D-Q100,118 benefits from the series' hallmark of integrating CMOS technology's operational efficiency with TTL's logic level compatibility. This integration ensures that the device can perform reliably in mixed voltage and technology environments, a critical feature for the demanding automotive sector.

2. Operational Characteristics: The 74HCT138D-Q100,118 functions as a decoder/demultiplexer, efficiently converting three binary-weighted inputs (A0, A1, A2) into one of eight distinct outputs (Y0 to Y7), with only a single output active at any given time. This capability is essential for applications that require expanding control lines or decoding address signals, such as in automotive control units, where precision and reliability are paramount.

3. Operating Voltage and Power Supply Connections: The device operates within a VCC range of 4.5V to 5.5V, suitable for typical 5V systems prevalent in automotive electronics. Pin 16 (VCC) should be connected to a +5V power source within this range, while pin 8 (GND) must be grounded to provide a stable operation reference for the circuit.

4. Enable Inputs for Device Operation: The 74HCT138D-Q100,118 features three enable inputs: G1 (pin 6), G2A (pin 5), and G2B (pin 4). For the device to operate, G1 and G2A must be set to LOW (grounded), and G2B to HIGH (connected to VCC), enabling the decoding functionality from input signals to specified outputs.

5. Address Inputs and Output Activation: The device's address inputs (A0, A1, A2), crucial for selecting the active output among the eight available (Y0 to Y7), allow for flexible signal routing critical in automotive electronics for functions such as sensor data processing and control signal distribution.

6. Output Configuration: Each output (Y0 to Y7) is designed to be active (LOW) individually based on the binary combination of the address inputs, facilitating precise control and signal direction in automotive systems that require high levels of operational integrity and safety.

7. Stability with Decoupling Capacitors: To ensure the 74HCT138D-Q100,118 operates without interference, a 0.1 µF ceramic decoupling capacitor should be placed near the VCC and GND pins. This capacitor acts to filter out power supply noise, guaranteeing stable performance in the variable electrical environments found in automotive applications.

The 74HCT138D-Q100,118 exemplifies the advanced engineering and reliability inherent in the 74HC/HCT series, with the added assurance of Q100 automotive quality standards. It provides a robust solution for decoding and demultiplexing needs in automotive electronics, offering both the efficiency of CMOS technology and the compatibility with TTL levels. The device's detailed connection methodology and operational parameters underline its suitability for enhancing the functionality and reliability of automotive systems, showcasing the enduring value and adaptability of the 74HC/HCT series in meeting the stringent requirements of automotive electronics.

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6. What is the process for return or replacement of 74HCT138D-Q100,118?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 74HCT138D-Q100,118 we delivered, we will accept the replacement or return of the 74HCT138D-Q100,118 only when all of the below conditions are fulfilled:

(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 74HCT138D-Q100,118.

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