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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Description Price 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庫存編號 170-3421
製造零件編號MC14538BDR2G
HK$2.022
個 (在毎卷:2500)
單位
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
全新
RS庫存編號 186-8822
製造零件編號MC100EL32DG
HK$44.003
毎管:98 個
單位
- - - - - - - - - - - - - -
RS庫存編號 518-9445
製造零件編號MC14528BDG
HK$13.66
單位
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
全新
RS庫存編號 186-9200
製造零件編號MC14521BDG
HK$5.736
/個 (每包:25個)
單位
- - - - - - - - - - - - - -
RS庫存編號 806-3302
製造零件編號MC14538BDTR2G
HK$1.688
Each (On a Tape of 20)
單位
MC Monostable Multivibrator 2 -0.36mA 2.4mA 10 μs 600 ns@ 50 pF - Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 1.05mm 5.1mm
RS庫存編號 806-3295
製造零件編號MC14528BDR2G
HK$2.946
Each (On a Tape of 20)
單位
MC Monostable Multivibrator 2 -0.36mA 2.4mA 10 μs 1000 ns @ 50 pF - Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
全新
RS庫存編號 186-8851
製造零件編號MC14521BDG
HK$5.62
毎管:48 個
單位
- - - - - - - - - - - - - -
全新
RS庫存編號 186-9259
製造零件編號74VHC123AM
HK$4.379
/個 (每包:25個)
單位
- - - - - - - - - - - - - -
全新
RS庫存編號 186-8798
製造零件編號74VHC123AM
HK$4.375
毎管:48 個
單位
- - - - - - - - - - - - - -
RS庫存編號 145-3681
製造零件編號MC14538BDTR2G
HK$1.818
個 (在毎卷:2500)
單位
MC Monostable Multivibrator 2 -0.36mA 2.4mA 10 μs 600 ns @ 50 pF - Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 1.05mm 5.1mm
全新
RS庫存編號 186-9164
製造零件編號MC100EL32DG
HK$53.71
/個 (每包:2個)
單位
- - - - - - - - - - - - - -
RS庫存編號 806-1618
製造零件編號MC74HC4538ADG
HK$1.989
/個 (每包:48個)
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 10 ns 295 ns@ 50 pF 0.35mA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS庫存編號 125-0045
製造零件編號MC74HC4538ADG
HK$3.845
毎管:48 個
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 10 ns 295 ns @ 50 pF 0.35mA Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS庫存編號 761-4381
製造零件編號74VHC123AMX
HK$2.802
/個 (每包:10個)
單位
74VHC Monostable Multivibrator 2 -25mA 25mA 90 μs 29.5ns 0.04mA Surface Mount SOIC 16 9.9 x 3.9 x 1.45mm 1.45mm 9.9mm
RS庫存編號 178-4724
製造零件編號MC14528BDG
HK$3.635
毎管:48 個
單位
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庫存編號 170-3571
製造零件編號MC14528BDR2G
HK$2.022
個 (在毎卷:2500)
單位
MC Monostable Multivibrator 2 -0.36mA 2.4mA 10 μs 1000 ns @ 50 pF - Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm
RS庫存編號 688-1549
製造零件編號MC14538BDR2G
HK$5.148
/個 (每包:5個)
單位
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
全新
RS庫存編號 184-4260
製造零件編號MC14538BDWG
HK$4.635
毎管:47 個
單位
- - - - - - - - - - - - - -
RS庫存編號 178-7557
製造零件編號74VHC123AMX
HK$3.409
個 (在毎卷:2500)
單位
74VHC Monostable Multivibrator 2 -25mA 25mA 90 μs 29.5ns 0.04mA Surface Mount SOIC 16 9.9 x 3.9 x 1.45mm 1.45mm 9.9mm