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. 163-0548
Mfr. Part No.MC14543BDR2G
PHP7.862
Each (On a Reel of 2500)
units
MC140 Decoder - 1 1 Single Ended Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 18 V
RS Stock No. 761-4482
Mfr. Part No.MM74HC138MX
PHP24.94
Each (In a Pack of 10)
units
74HC Decoder 3-of-8 32 3 - Inverting Surface Mount SOIC 16 10 x 6.198 x 1.499mm 1.499mm 10mm 6 V
RS Stock No. 166-1644
Mfr. Part No.FSAL200QSCX
PHP27.41
Each (On a Reel of 2500)
units
SCX Demultiplexer, Multiplexer 1-of-2 4 2 CMOS - Surface Mount QSOP 16 5 x 3.9 x 1.357mm 1.357mm 5mm 5.5 V
RS Stock No. 184-4262
Mfr. Part No.MC14543BDG
PHP14.375
Each (In a Tube of 48)
units
4000 Decoder - 1 1 Single Ended Non-Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm +18 V
RS Stock No. 166-1618
Mfr. Part No.MM74HC138MX
PHP10.87
Each (On a Reel of 2500)
units
HC Decoder, Demultiplexer 1-of-8 1 3 - Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 6 V
RS Stock No. 145-4506
Mfr. Part No.MM74HC138M
PHP13.52
Each (In a Tube of 48)
units
HC Decoder, Demultiplexer 1-of-8 1 3 - Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 6 V
RS Stock No. 806-2273
Mfr. Part No.MC74ACT139DG
PHP14.461
Each (In a Pack of 25)
units
74ACT Decoder, Demultiplexer 1-of-4 2 2 CMOS Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 5.5 V
RS Stock No. 759-9330
Mfr. Part No.FSAL200QSCX
PHP29.894
Each (In a Pack of 5)
units
SCX Demultiplexer, Multiplexer 1-of-2 4 2 CMOS - Surface Mount QSOP 16 5 x 3.9 x 1.357mm 1.357mm 5mm 5.5 V
RS Stock No. 671-1740
Mfr. Part No.MM74HC138M
PHP20.816
Each (In a Pack of 5)
units
HC Decoder, Demultiplexer 1-of-8 1 3 - Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 6 V
RS Stock No. 806-3309
Mfr. Part No.MC14543BDR2G
PHP13.692
Each (In a Pack of 25)
units
MC140 Decoder - 1 1 Single Ended Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 18 V
RS Stock No. 671-1582
Mfr. Part No.74LCX138M
PHP32.21
Each (In a Pack of 5)
units
LCX Decoder, Demultiplexer 1-of-8 1 3 - Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 3.6 V
RS Stock No. 170-3561
Mfr. Part No.MC74HC138ADR2G
PHP5.20
Each (On a Reel of 2500)
units
74HC Decoder, Demultiplexer 1-of-8 1 3 3 State Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 6 V
RS Stock No. 908-0957
Mfr. Part No.MC10EP58DTG
PHP324.965
Each (In a Pack of 2)
units
ECL Multiplexer - - - ECL - Surface Mount TSSOP 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm -
RS Stock No. 908-0800
Mfr. Part No.MC100EP56DWG
PHP471.74
Each
units
ECL Decoder 1-of-2 2 - ECL - Surface Mount SOIC 20 12.95 x 7.6 x 2.4mm 2.4mm 12.95mm -
RS Stock No. 186-9207
Mfr. Part No.74ACT139MTC
PHP28.88
Each (In a Pack of 25)
units
ACT Decoder, Demultiplexer 1-of-4 - 2 - - Surface Mount TSSOP 16 5 x 4.5 x 0.95mm 0.95mm 5mm 5.5 V
RS Stock No. 186-8849
Mfr. Part No.MC14511BDR2G
PHP10.298
Each (On a Reel of 2500)
units
- Decoder - - - NPN - Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 18 V
RS Stock No. 145-4584
Mfr. Part No.74VHCT138AMTC
PHP16.375
Each (In a Tube of 94)
units
VHC Decoder, Demultiplexer 1-of-8 1 1 - - Surface Mount TSSOP 16 5 x 4.4 x 0.9mm 0.9mm 5mm 5.5 V
RS Stock No. 802-3284
Mfr. Part No.NC7SV19P6X
PHP6.388
Each (In a Pack of 50)
units
NC Decoder, Demultiplexer 1-of-2 1 2 - - Surface Mount SC-70 6 2 x 1.25 x 0.9mm 0.9mm 2mm 3.6 V
RS Stock No. 808-4019
Mfr. Part No.MC10EP56DTG
PHP332.47
Each
units
ECL Multiplexer 1-of-2 4 2 ECL - Surface Mount TSSOP 20 6.6 x 4.5 x 1.05mm 1.05mm 6.6mm 5.5 V
RS Stock No. 806-1416
Mfr. Part No.MC74HC139ADG
PHP11.809
Each (In a Pack of 48)
units
74HC Decoder, Demultiplexer 1-of-4 2 2 3 State Inverting Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 6 V