74LS47N
Digital
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Generic — 74LS47N
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Curated by CircuitSim
Details
Manufacturer
Generic
Part number
74LS47N
Pins
14
Used in
No circuits
Added
Jul 2026
About this component
A 14-pin BCD-to-seven-segment decoder/driver with four data inputs, seven segment outputs, and lamp-test, blanking, and ripple-blanking controls.
Parameters
Basic settings
2 parameters
RISEDELAY
Rise delay
Time to wait before returning an output after the output goes from low to high.
1e-7 s
FALLDELAY
Fall delay
Time to wait before returning an output after the output goes from high to low.
1e-7 s
Pins
Pins
14 pins
1
A
BCD input A (least-significant bit).
2
B
BCD input B.
3
C
BCD input C.
4
D
BCD input D (most-significant bit).
5
OA
Active-low segment A output.
6
OB
Active-low segment B output.
7
OC
Active-low segment C output.
8
OD
Active-low segment D output.
9
OE
Active-low segment E output.
10
OF
Active-low segment F output.
11
OG
Active-low segment G output.
12
~BI/RBO
Active-low blanking input and ripple-blanking output.
13
~LT
Active-low lamp-test input.
14
~RBI
Active-low ripple-blanking input.
Public circuits using this component
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