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BCD to 7-segment decoder (SN7447A) 7447

Datasheet

Official datasheet BCD to 7-segment decoder (SN7447A) 7447 - Decoders

The datasheet for BCD to 7-segment decoder (SN7447A) 7447 provides complete technical information including pin diagram, electrical characteristics and typical applications.

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Category: Decoders | Type: BCD-7seg Decoder | Configuration: 4 BCD inputs, 7 display outputs

The SN7447A is a BCD to 7-segment decoder with open collector active-low outputs, designed for common-anode displays. It includes digit on/off control and lamp test functionality. It is TTL logic equivalent to the LS47 and widely used in classic projects.

Applications

  • 7-segment displays
  • Digital counters
  • Measuring instruments
  • Digital clocks
  • Calculators

These applications show the versatility of the component in different areas of electronics.

Truth Table

The truth table for the sn7447a bcd to 7-segment decoder shows all possible input combinations and their corresponding output.

BCD (DCBA)DisplaySegments
00000abcdef
00011bc
00102abged
00113abgcd
01004fgbc
01015afgcd
01106afgedc
01117abc
10008abcdefg
10019abcdfg

Technical Specifications

General Information

Type

BCD-7seg Decoder

Configuration

4 BCD inputs, 7 display outputs

Part Number

SN7447A

Electrical Characteristics

operatingVoltage

4.75V - 5.25V

maxCurrent

40mA per segment

propagationDelay

46ns typical

temperature

0掳C to +70掳C

packageType

DIP-16

pinSpacing

2.54mm

Additional Information

The sn7447a bcd to 7-segment decoder is a fundamental component in the decoders category. Its design and characteristics make it ideal for a wide range of applications in digital electronics.

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