Monostable Multivibrators

Monostable multivibrators, also known as one-shot multivibrators, are a type of IC (integrated circuit) that can be used as a timer. They have one stable and one unstable state. The unstable state is caused by a trigger pulse. This state is transient, so the circuit always returns to stability after a fixed time has elapsed.

Generally, monostable multivibrator circuits are composed of two transistors, coupled with one resistor-capacitor network and one resistor network. These networks are what determines the length of time before the circuit returns to its stable state, after being triggered. This type of IC can also be considered as a 1/2 astable type multivibrator.

What are monostable multivibrators used for?

This type of IC is used to produce a specific timed delay within a circuit. Therefore, they can broadly be used as timers or as pulse detectors in electronic equipment.

Types of monostable multivibrators

There are two types of a monostable multivibrator, they are;

  • Retriggerable monostable multivibrators will remain in the unstable state with repeated application of the trigger pulse.
  • Non-re-triggerable monostable multivibrators are unaffected by further trigger pulses and will remain in the unstable state only for the predetermined period of time.

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Omschrijving Prijs Logic Family Logic Function Number of Elements per Chip Maximum High Level Output Current Maximum Low Level Output Current Minimum Pulse Width Maximum Propagation Delay Time @ Maximum CL Maximum Quiescent Current Mounting Type Package Type Pin Count Dimensions Height Length
RS-stocknr. 162-6961
FabrikantnummerCD74HC4538PWR
€ 0,148
Each (On a Reel of 2000)
Aantal stuks
HC Monostable Multivibrator 2 -5.2mA 5.2mA 14 ns 250 ns @ 2 V 0.008mA Surface Mount TSSOP 16 5 x 4.4 x 1.15mm 1.15mm 5mm
RS-stocknr. 662-7169
FabrikantnummerCD74HC4538PWR
€ 0,322
Each (In a Pack of 10)
Aantal stuks
HC Monostable Multivibrator 2 -5.2mA 5.2mA 14 ns 250 ns @ 2 V 0.008mA Surface Mount TSSOP 16 5 x 4.4 x 1.15mm 1.15mm 5mm
RS-stocknr. 305-591
FabrikantnummerSN74121N
€ 3,91
Each
Aantal stuks
74 Monostable Multivibrator 1 -0.4mA 16mA 50 ns 80 ns @ 5 V 13mA Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 368-5654
FabrikantnummerSN74121N
€ 3,306
Each (In a Tube of 25)
Aantal stuks
74 Monostable Multivibrator 1 -0.4mA 16mA 50 ns 80 ns @ 5 V 13mA Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 527-895
FabrikantnummerCD4047BE
€ 0,481
Each (In a Tube of 25)
Aantal stuks
4000 Monostable Multivibrator 1 - - 50 ns 1000 ns @ 5 V 0.02mA Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 145-5995
FabrikantnummerCD4098BM
€ 0,369
Each (In a Tube of 40)
Aantal stuks
4000 Monostable Multivibrator 2 - - 20 ns 500 ns @ 5 V 0.02mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-stocknr. 527-293
FabrikantnummerCD4098BE
€ 0,471
Each (In a Tube of 25)
Aantal stuks
4000 Monostable Multivibrator 2 - - 20 ns 500 ns @ 5 V 0.02mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 527-647
FabrikantnummerCD74HC4538E
€ 0,607
Each (In a Tube of 25)
Aantal stuks
HC Monostable Multivibrator 2 -5.2mA 5.2mA 14 ns 250 ns @ 2 V 0.008mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 809-5983
FabrikantnummerSN74LVC1G123DCTR
€ 0,448
Each (In a Pack of 15)
Aantal stuks
LVC Monostable Multivibrator 1 -32mA 32mA 2.5 ns - 20µA Surface Mount SM 8 3.15 x 2.9 x 1.2mm 1.2mm 3.15mm
RS-stocknr. 307-632
FabrikantnummerSN74LS123N
€ 0,82
Each
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 56 ns @ 5 V 12mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 640-131
FabrikantnummerSN74LS221N
€ 1,25
Each
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 80 ns @ 5 V 4.7mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 162-6864
FabrikantnummerSN74LVC1G123DCTT
€ 0,547
Each (On a Reel of 250)
Aantal stuks
LVC Monostable Multivibrator 1 -32mA 32mA 2.5 ns 18.6 ns @ 1.8 V 0.02mA Surface Mount SSOP 8 2.95 x 2.8 x 1.29mm 1.29mm 2.95mm
RS-stocknr. 922-2833
FabrikantnummerSN74LS123DR
€ 0,253
Each (On a Reel of 2500)
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 56 ns @ 5 V 12mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-stocknr. 145-0828
FabrikantnummerSN74LS221N
€ 1,06
Each (In a Tube of 25)
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 80 ns @ 5 V 4.7mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 921-2808
FabrikantnummerSN74LVC1G123DCTR
€ 0,183
Each (On a Reel of 3000)
Aantal stuks
LVC Monostable Multivibrator 1 -32mA 32mA 2.5 ns - 20µA Surface Mount SM 8 3.15 x 2.9 x 1.2mm 1.2mm 3.15mm
RS-stocknr. 662-6594
FabrikantnummerSN74LVC1G123DCTT
€ 0,996
Each (In a Pack of 5)
Aantal stuks
LVC Monostable Multivibrator 1 -32mA 32mA 2.5 ns 18.6 ns @ 1.8 V 0.02mA Surface Mount SSOP 8 2.95 x 2.8 x 1.29mm 1.29mm 2.95mm
RS-stocknr. 662-8364
FabrikantnummerSN74LS123DR
€ 0,69
Each (In a Pack of 5)
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 56 ns @ 5 V 12mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-stocknr. 923-2350
FabrikantnummerSN74LS123N
€ 0,675
Each (In a Tube of 25)
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 56 ns @ 5 V 12mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 368-6001
FabrikantnummerSN74LS123N
€ 0,675
Each (In a Tube of 25)
Aantal stuks
LS Monostable Multivibrator 2 -0.4mA 8mA 40 ns 56 ns @ 5 V 12mA Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm
RS-stocknr. 663-0023
FabrikantnummerCD74HC123PW
€ 0,433
Each (In a Pack of 10)
Aantal stuks
HC Monostable Multivibrator 2 -5.2mA 5.2mA 17 ns 320 ns @ 2 V 0.008mA Surface Mount TSSOP 16 5 x 4.4 x 1.15mm 1.15mm 5mm