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. 178-6959
Mfr. Part No.74HC154D,652
BrandNexperia
HK$6.16
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. 170-8040
Mfr. Part No.74HC154D,653
BrandNexperia
HK$2.637
Each (On a Reel of 1000)
units
74HC Decoder, Demultiplexer 4-of-16 1 2 Single Ended Inverting Surface Mount SO 24 15.6 x 7.6 x 2.45mm 2.45mm 15.6mm 6 V
RS Stock No. 483-6421
Mfr. Part No.74HC154D,652
BrandNexperia
HK$6.87
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. 355-9460
Mfr. Part No.HEF4543BT,652
BrandNexperia
HK$4.85
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. 124-2268
Mfr. Part No.74HCT4514D,652
BrandNexperia
HK$13.86
Each (In a Tube of 30)
units
74HCT Decoder, Demultiplexer 1-of-16 1 4 CMOS Non-Inverting Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 2.45mm 15.6mm 5.5 V
RS Stock No. 152-6505
Mfr. Part No.74HC4052PW-Q100,11
BrandNexperia
HK$2.89
Each (In a Pack of 25)
units
74HC Demultiplexer, Multiplexer 2-of-8 5 2 CMOS, TTL Inverting Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm 11 V
RS Stock No. 791-8715
Mfr. Part No.74HC139D,652
BrandNexperia
HK$2.83
Each (In a Pack of 25)
units
HC Decoder, Demultiplexer 2-of-4 2 2 - Inverting Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm 6 V
RS Stock No. 436-7537
Mfr. Part No.74HC237D,652
BrandNexperia
HK$4.616
Each (In a Tube of 50)
units
HC Decoder, Demultiplexer 1-of-8 1 1 - Non-Inverting Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm 6 V
RS Stock No. 166-1506
Mfr. Part No.74LVC138ABQ,115
BrandNexperia
HK$0.872
Each (On a Reel of 3000)
units
LVC Decoder, Demultiplexer 1-of-8 1 3 - Inverting Surface Mount DHVQFN 16 3.6 x 2.6 x 0.95mm 0.95mm 3.6mm 3.6 V
RS Stock No. 816-4698
Mfr. Part No.74HCT4514D,652
BrandNexperia
HK$13.86
Each (In a Pack of 10)
units
74HCT Decoder, Demultiplexer 1-of-16 1 4 CMOS Non-Inverting Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 2.45mm 15.6mm 5.5 V
RS Stock No. 170-4849
Mfr. Part No.74HCT138D,653
BrandNexperia
HK$1.01
Each (On a Reel of 2500)
units
74HCT Decoder, Demultiplexer 3-of-8 1 3 Single Ended Inverting Surface Mount SO16 16 6.4 x 5.4 x 1.8mm 1.8mm 6.4mm 5.5 V
RS Stock No. 170-4896
Mfr. Part No.74HC4851PW,118
BrandNexperia
HK$2.14
Each (On a Reel of 2500)
units
74HC Demultiplexer, Multiplexer 1-of-8 1 3 Single Ended Non-Inverting Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm 6 V
RS Stock No. 170-8065
Mfr. Part No.HEF4051BT,652
BrandNexperia
HK$3.028
Each (In a Tube of 50)
units
HEF Demultiplexer, Multiplexer 1-of-8 1 3 Single Ended Non-Inverting Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm 15 V
RS Stock No. 170-7966
Mfr. Part No.74HC4051D,653
BrandNexperia
HK$0.872
Each (On a Reel of 2500)
units
74HC Demultiplexer, Multiplexer 1-of-8 1 3 Single Ended Non-Inverting Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm 10 V
RS Stock No. 170-7997
Mfr. Part No.74HCT4051D,118
BrandNexperia
HK$1.66
Each (On a Reel of 2500)
units
74HCT Demultiplexer, Multiplexer 1-of-8 1 3 Single Ended Non-Inverting Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm 5.5 V
RS Stock No. 136-4813
Mfr. Part No.74HC138D,653
BrandNexperia
HK$0.901
Each (On a Reel of 2500)
units
74HC Decoder, Demultiplexer 3-to-8 16 3 Single Ended Inverting Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm 5.5 V
RS Stock No. 146-0417
Mfr. Part No.74HCT154PW,112
BrandNexperia
HK$6.34
Each (In a Tube of 63)
units
74HCT Decoder, Demultiplexer 1-of-16 1 4 CMOS Inverting Surface Mount TSSOP 24 7.9 x 4.5 x 0.95mm 0.95mm 7.9mm 5.5 V
RS Stock No. 170-8004
Mfr. Part No.74HC238D,653
BrandNexperia
HK$1.75
Each (On a Reel of 2500)
units
74HC Decoder, Demultiplexer 1-of-8 1 3 Single Ended Non-Inverting Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm 6 V
RS Stock No. 151-3384
Mfr. Part No.74LVC1G19GW,125
BrandNexperia
HK$0.488
Each (On a Reel of 3000)
units
74LVC Decoder, Demultiplexer 1-of-2 1 3 CMOS, TTL Non-Inverting Surface Mount TSSOP 6 2.2 x 1.35 x 1mm 1mm 2.2mm 5.5 V
RS Stock No. 170-5365
Mfr. Part No.74HC154PW,118
BrandNexperia
HK$8.45
Each (In a Pack of 10)
units
74HC Decoder, Demultiplexer 4-of-16 1 4 Single Ended Inverting Surface Mount TSSOP 24 7.9 x 4.5 x 0.95mm 0.95mm 7.9mm 6 V