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74HC138 - 3-to-8 line Decoder/Demultiplexer IC - SOIC-16 SMD Package
The 74HC138 is a high-speed CMOS 3-to-8 line decoder/demultiplexer IC designed for a wide range of digital logic applications. It is housed in a compact SMD package, making it suitable for high-density circuit board layouts. Here’s a detailed description of the product:
Key Features:
- Type: 3-to-8 Line Decoder/Demultiplexer
- Package: SMD (Surface Mount Device)
- Logic Family: 74HC (High-Speed CMOS)
- Operating Voltage: 2V to 6V
- Low Power Consumption: CMOS technology ensures low static power consumption
- High-Speed Operation: Fast propagation delay
- Active Low Outputs: Provides eight active-low outputs
Applications:
- Digital Logic Circuits: Ideal for general-purpose digital logic decoding applications
- Address Decoding: Useful in memory address decoding and microprocessor interfacing
- Data Routing: Suitable for routing data in digital systems
- Control Systems: Used in control and automation systems for decoding signals
- Multiplexing: Can be used in multiplexing applications where multiple data lines are controlled
Pin Configuration:
- Pin 1 (A): Address input A
- Pin 2 (B): Address input B
- Pin 3 (C): Address input C
- Pin 4 (G2A): Enable input 2A (active low)
- Pin 5 (G2B): Enable input 2B (active low)
- Pin 6 (G1): Enable input 1 (active high)
- Pin 7 (Y7): Output 7 (active low)
- Pin 8 (GND): Ground
- Pin 9 (Y6): Output 6 (active low)
- Pin 10 (Y5): Output 5 (active low)
- Pin 11 (Y4): Output 4 (active low)
- Pin 12 (Y3): Output 3 (active low)
- Pin 13 (Y2): Output 2 (active low)
- Pin 14 (Y1): Output 1 (active low)
- Pin 15 (Y0): Output 0 (active low)
- Pin 16 (VCC): Supply voltage
Electrical Characteristics:
- Supply Voltage (Vcc): 2V to 6V
- Input Voltage (Vin): 0V to Vcc
- Output Voltage (Vout): 0V to Vcc
- Low Input Current (Iin): ±1μA max
- Low Output Current (Iout): ±25mA max
- Propagation Delay: Typically 15ns at Vcc = 5V
- Power Consumption: Low power consumption due to CMOS technology
Note: Product images are for illustrative purposes only and may differ from the actual product.
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Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
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