Monostable Multivibrators

Monostable multivibrators, also known as one-shot multivibrators, are a type of electronic 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. 


What are monostable multivibrators used for?

Monostable multivibrators are 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 monostable multivibrators:

  • Retriggerable monostable multivibrators will remain in the unstable state with repeated application of the trigger pulse.
  • Non-retriggerable 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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Beskrivning Pris 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-artikelnummer 178-9183
Tillv. art.nrCD74HC423M
VarumärkeTexas Instruments
6,493 kr
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HC Monostable Multivibrator 2 -5.2mA 5.2mA 17 ns 320 ns @ 2 V 0.008mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-artikelnummer 809-6273
Tillv. art.nrCD74HC221MT
VarumärkeTexas Instruments
4,14 kr
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HC Monostable Multivibrator 2 -5.2mA 5.2mA 595 μs 315 ns@ 50 pF 160µA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS-artikelnummer 145-6019
Tillv. art.nrSN74LV221AD
VarumärkeTexas Instruments
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LV Monostable Multivibrator 2 -12mA 12mA 5 ns 36 ns @ 2.5 V 0.02mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-artikelnummer 184-4260
Tillv. art.nrMC14538BDWG
VarumärkeON Semiconductor
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4000 Monostable Multivibrator 2 -4.2 (Minimum)mA 4.2 (Minimum)mA 5 ns 600 ns @ 50 pF 600µA Surface Mount SOIC 16 10.45 x 7.6 x 2.4mm 2.4mm 10.45mm
RS-artikelnummer 186-8798
Tillv. art.nr74VHC123AM
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VHC Monostable Multivibrator 8 -8mA 8mA 5 ns 29.5 ns @ 50 pF 40µA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS-artikelnummer 178-8815
Tillv. art.nrCD74HC123PWR
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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
RS-artikelnummer 153-1982
Tillv. art.nr74HC123PW-Q100,118
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74HC Monostable Multivibrator 2 -5.2mA 5.2mA 26 ns 385 ns @ 50 pF - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm
RS-artikelnummer 178-4724
Tillv. art.nrMC14528BDG
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4000 Monostable Multivibrator 2 - - 55 ns 650 ns @ 5 V 0.02mA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS-artikelnummer 922-2833
Tillv. art.nrSN74LS123DR
VarumärkeTexas Instruments
3,53 kr
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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-artikelnummer 146-0416
Tillv. art.nr74HCT123PW,112
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HCT Monostable Multivibrator 1 -4mA 4mA 150 ns 385 ns @ 50 pF - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm
RS-artikelnummer 919-8989
Tillv. art.nrLTC6993CS6-1TRMPBF
VarumärkeAnalog Devices
38,455 kr
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LVCMOS, LVTTL Monostable Multivibrator 2 -16mA 16mA 1 μs 28ns 0.2mA Surface Mount TSOT-23 6 2.9 x 1.75 x 1mm 1mm 2.9mm
RS-artikelnummer 662-7351
Tillv. art.nrCD74HCT4538M96
VarumärkeTexas Instruments
2,384 kr
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HCT Monostable Multivibrator 2 -4mA 4mA 16 ns 55 ns @ 4.5 V 0.008mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-artikelnummer 178-9223
Tillv. art.nrCD74HC221MT
VarumärkeTexas Instruments
7,988 kr
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HC Monostable Multivibrator 2 -5.2mA 5.2mA 595 μs 315 ns @ 50 pF 160µA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS-artikelnummer 662-7008
Tillv. art.nrCD74HC123PWR
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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
RS-artikelnummer 662-7226
Tillv. art.nrCD74HCT123M96
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HCT Monostable Multivibrator 2 -4mA 4mA 20 ns 68 ns @ 4.5 V 0.008mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS-artikelnummer 170-8064
Tillv. art.nr74HCT123D,652
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74HCT Monostable Multivibrator 2 -4mA 4mA 30 ns 77 ns @ 50 pF - Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm
RS-artikelnummer 688-1549
Tillv. art.nrMC14538BDR2G
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4000 Monostable Multivibrator 2 - - 80 ns 600 ns @ 5 V 0.7mA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS-artikelnummer 518-9445
Tillv. art.nrMC14528BDG
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4000 Monostable Multivibrator 2 - - 55 ns 650 ns @ 5 V 0.02mA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS-artikelnummer 170-8002
Tillv. art.nrHEF4538BT,653
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HEF Monostable Multivibrator 2 -2.4mA 2.4mA 90 ns 460 ns @ 50 pF - Surface Mount SO 16 10 x 4 x 1.45mm 1.45mm 10mm
RS-artikelnummer 103-8394
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4000 Monostable Multivibrator 2 - - 20 ns 460 ns @ 5 V 0.08mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
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