Decoders & Demultiplexers

The difference between decoders and demultiplexers is that demultiplexers select an output line. A decoder takes in inputs and uses those inputs to determine which of the 2N outputs lines is high.

Decoder:
digital circuit that converts an input binary code into a single numeric output
binary code input
only one output activated at a time
A decoder has:
N inputs
2N outputs
A decoder selects one of 2N outputs by decoding the binary value on the N inputs. The decoder generates all of the minterms of the N input variables. Exactly one output will be active for each combination of the inputs.
Demultiplexer (demux):
receives the output signals from the multiplexer and the receiver end it converts them back to the original form

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Description Price Logic Family Logic Function Demultiplexing Capability Number of Elements per Chip Number of Input Enables per Element Output Type Polarity Mounting Type Package Type Pin Count Dimensions Height Length Maximum Operating Supply Voltage
RS Stock No. 355-9460
Mfr. Part No.HEF4543BT,652
BrandNexperia
$0.89
Each
units
4000 Decoder, Driver - 1 1 - Non-Inverting Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm 15 V
RS Stock No. 178-6970
Mfr. Part No.HEF4543BT,652
BrandNexperia
$0.753
Each (In a Tube of 50)
units
4000 Decoder, Driver - 1 1 - Non-Inverting Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm 15 V
RS Stock No. 307-581
Mfr. Part No.SN74LS47N
$2.51
Each
units
LS Decoder, Driver - 1 0 Open Collector Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.25 V
RS Stock No. 368-7329
Mfr. Part No.HEF4028BT,652
BrandNexperia
$0.361
Each (In a Tube of 50)
units
4000 Decoder, Demultiplexer 1-of-10 1 0 - Non-Inverting Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm 15 V
RS Stock No. 662-9698
Mfr. Part No.CD4511BEE4
$0.932
Each (In a Pack of 5)
units
4000 Decoder, Driver - 1 1 - Non-Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 18 V
RS Stock No. 121-9249
Mfr. Part No.SN74LS247NE4
$1.515
Each (In a Tube of 25)
units
LS Decoder, Driver - 1 0 Open Collector Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.25 V
RS Stock No. 809-6220
Mfr. Part No.CD4511BPW
$0.623
Each (In a Pack of 15)
units
4000 Decoder 4-of-7 1 4 CMOS Non-Inverting Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 1.05mm 5.1mm 18 V
RS Stock No. 709-2160
Mfr. Part No.SN74LS247NE4
$2.00
Each (In a Pack of 5)
units
LS Decoder, Driver - 1 0 Open Collector Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.25 V
RS Stock No. 162-6504
Mfr. Part No.CD4511BPW
$0.395
Each (In a Tube of 90)
units
4000 Decoder 4-of-7 1 4 CMOS Non-Inverting Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 1.05mm 5.1mm 18 V
RS Stock No. 923-2486
Mfr. Part No.SN74HC138N
$0.492
Each (In a Tube of 25)
units
HC Decoder, Demultiplexer 1-of-8 1 3 - Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 6 V
RS Stock No. 663-2111
Mfr. Part No.SN74HC42D
$1.037
Each (In a Pack of 10)
units
HC Decoder, Demultiplexer 1-of-10 1 0 - Inverting Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm 6 V
RS Stock No. 709-2655
Mfr. Part No.SN74LS155ANE4
$1.968
Each (In a Pack of 5)
units
LS Decoder, Demultiplexer 1-of-4, 1-of-8 1, 2 2 Push-Pull Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.25 V
RS Stock No. 796-7953
Mfr. Part No.CD4515BM
$0.805
Each (In a Pack of 25)
units
CD4000 Decoder, Demultiplexer 1-of-16 1 4 - Inverting Surface Mount SOIC 24 15.6 x 7.6 x 2.35mm 2.35mm 15.6mm 18 V
RS Stock No. 178-6959
Mfr. Part No.74HC154D,652
BrandNexperia
$1.08
Each (In a Tube of 30)
units
HC Decoder, Demultiplexer 1-of-16 1 2 - Inverting Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 2.45mm 15.6mm 6 V
RS Stock No. 634-120
Mfr. Part No.CD74HCT238E
$0.89
Each
units
HCT Decoder, Demultiplexer 1-of-8 1 3 - Non-Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.5 V
RS Stock No. 303-624
Mfr. Part No.SN74LS145N
$1.55
Each
units
LS Decoder, Driver 1-of-10 1 0 Open Collector Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.25 V
RS Stock No. 483-6421
Mfr. Part No.74HC154D,652
BrandNexperia
$1.226
Each (In a Pack of 5)
units
HC Decoder, Demultiplexer 1-of-16 1 2 - Inverting Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 2.45mm 15.6mm 6 V
RS Stock No. 443-047
Mfr. Part No.SN74HC139N
$0.61
Each
units
HC Decoder, Demultiplexer 1-of-4 2 1 - Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 6 V
RS Stock No. 527-823
Mfr. Part No.CD74HC238M
$0.489
Each (In a Tube of 40)
units
HC Decoder, Demultiplexer 1-of-8 1 3 - Non-Inverting Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm 6 V
RS Stock No. 305-406
Mfr. Part No.SN7447AN
$4.28
Each
units
74 Decoder, Driver - 1 0 Open Collector Inverting Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 5.25 V
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