The 74LS47 BCD to 7-Segment Decoder Driver IC is a low-power Schottky TTL device designed to convert Binary Coded Decimal (BCD) inputs into control signals for driving 7-segment LED displays. With integrated open-collector outputs, lamp test, and blanking inputs, this IC is ideal for numeric display applications in embedded systems, digital counters, clocks, and other electronics. Its compact DIP-16 form makes it easy to use on breadboards or PCBs.
Key Features
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Converts BCD inputs (0-9) into outputs for 7-segment displays
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Built-in open-collector outputs for LED segment control
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Includes blanking input (BI), lamp test (LT), and ripple-blanking features
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TTL-compatible input and output logic
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DIP-16 package for easy prototyping and integration
Technical Details
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Product Name: 74LS47 BCD to 7-Segment Decoder Driver IC
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IC Series: 74LS TTL Logic Family
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Function: BCD to 7-segment decoder/driver
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Display Type Supported: Common Anode 7-segment LED
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Package Type: DIP-16 (Dual Inline Package)
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Number of Outputs: 7 (labeled a–g)
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Input Type: BCD (4-bit binary: A, B, C, D)
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Output Type: Open-collector
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Operating Voltage: 4.75V to 5.25V (typical 5V)
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Input Logic Level High: 2V minimum
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Input Logic Level Low: 0.8V maximum
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Operating Temperature Range: 0°C to +70°C
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Power Supply Type: Single 5V supply
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RoHS Compliant: Yes
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Weight: Approx. 1.5g
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Dimensions: Standard DIP-16 footprint (approx. 19.3mm x 6.3mm)
Applications
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Driving common anode 7-segment displays
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Digital clocks and timers
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Frequency counters and voltmeters
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Microcontroller-based numeric display systems
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Educational and prototyping boards
Why Choose the 74LS47 BCD to 7-Segment IC?
The 74LS47 BCD to 7-Segment Decoder Driver IC simplifies display driving in digital circuits by eliminating the need for multiple discrete components. With built-in blanking and lamp test features, this IC provides enhanced display control and reduces hardware complexity. It is a perfect fit for students, hobbyists, and engineers working on digital numeric display projects.
Package Includes
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1 x 74LS47 BCD to 7-Segment Decoder Driver IC – DIP-16 Package
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