The 7447 is a BCD (Binary Coded Decimal) to 7-segment decoder/driver IC. It is used to convert BCD input (4 bits) into signals that drive a 7-segment display, which is commonly used to display numerical digits. The 7447 features open-collector outputs, which makes it suitable for use with common cathode 7-segment displays. This IC is an essential component for applications such as digital clocks, counters, and other systems requiring numeric display.
With the 7447, each BCD input value is decoded into the appropriate 7-segment display pattern, enabling it to display the corresponding decimal digit (0-9). It also features blanking and lamp test functions to control the display for various purposes like testing or turning off the display.
BCD to 7-Segment Decoding: Converts BCD input to a 7-segment display pattern.
Open-Collector Outputs: Designed for common cathode displays, allowing ease of interfacing.
Displays Digits 0-9: Capable of displaying the decimal digits.
Blanking Input: Allows the 7-segment display to be blanked for certain conditions.
Lamp Test Input: Allows all segments to be illuminated for display testing.
Low Power Consumption: Designed for energy-efficient operation in digital display systems.
Digital Clocks: Converts BCD time data to display on 7-segment displays.
Counters and Timers: Drives 7-segment displays in counting and timing applications.
Alphanumeric Displays: Used in systems where numeric values need to be displayed on 7-segment displays.
Display Units: Suitable for applications like measuring devices and meters.
1 x 7447 BCD to 7-Segment Decoder/Driver IC (Open-Collector Outputs)
Product specifications, features, and design may change over time due to product updates or improvements.
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