74LS47 BCD to 7-segment Decoder 16 pin DIP Driver IC
In stock
₨ 60 ₨ 80
In stock
74LS47 BCD to 7-segment Common Anode 16 pin DIP Decoder Driver IC
The 74LS47 IC boasts a pair of active-low outputs tailored for driving common-anode LEDs or incandescent indicators. When fed a binary-coded decimal as input, it seamlessly transforms it into a corresponding pattern for illuminating a 7-segment display, showcasing the numerical range from zero to nine. This encoding process represents each digit’s value through its respective 4-bit binary sequence (BCD).
Furthermore, a BCD to 7 Segment decoder employs specialized combinational logic circuitry to effectuate the conversion of BCD decimal digits into the 7-segment display format.
This comprehensive guide provides detailed insights into the 74LS47 decoder, including pin configurations, working, circuit, and more details, offering a clear and informative overview of the functions of the 74LS47 IC.
Pin Description:
|
Pin No
|
Function
|
Name
|
|
1
|
BCD Input 2
|
A1
|
|
2
|
BCD Input 3
|
A2
|
|
3
|
Display test; Active low
|
LT
|
|
4
|
Ripple blanking output; Active low
|
RBO
|
|
5
|
Ripple blanking input; Active low
|
RBI
|
|
6
|
BCD Input 4
|
A3
|
|
7
|
BCD Input 1
|
A0
|
|
8
|
Ground (0V)
|
Ground
|
|
9
|
Segment outputs; Active low
|
e
|
|
10
|
d
|
|
|
11
|
c
|
|
|
12
|
b
|
|
|
13
|
a
|
|
|
14
|
g
|
|
|
15
|
f
|
|
|
16
|
Supply voltage; 5V (4.75V – 5.25V)
|
Vcc
|
- Operating voltage range: +4.75 to +5.25V
- Recommended operating voltage: +5V
- Maximum supply voltage:7V
- Maximum current allowed to draw through each gate output: 8mA
- TTL outputs
- Low power consumption
- Typical Rise Time: 18ns
- Typical Fall Time: 18ns
- Operating temperature:0°C to 70°C
- Storage Temperature: -65°C to 150°C
