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 170-8064
製造零件編號74HCT123D,652
BrandNexperia
HK$2.018
毎管:50 個
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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庫存編號 791-8797
製造零件編號74HCT4538D,112
BrandNexperia
HK$3.886
/個 (每包:20個)
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HCT Monostable Multivibrator 2 -5.2mA 5.2mA 16 ns 90 ns@ 4.5 V 0.008mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
RS庫存編號 146-0850
製造零件編號74HCT4538D,112
BrandNexperia
HK$2.793
毎管:50 個
單位
HCT Monostable Multivibrator 2 -5.2mA 5.2mA 16 ns 90 ns @ 4.5 V 0.008mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
RS庫存編號 103-8394
製造零件編號HEF4538BT,652
BrandNexperia
HK$2.786
毎管:50 個
單位
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
RS庫存編號 170-8002
製造零件編號HEF4538BT,653
BrandNexperia
HK$1.35
個 (在毎卷:2500)
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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庫存編號 146-0376
製造零件編號74HCT221D,652
BrandNexperia
HK$3.172
毎管:50 個
單位
74HCT Monostable Multivibrator 2 -4mA 4mA 30 ns 75ns - Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
RS庫存編號 151-3398
製造零件編號74HC123PW,118
BrandNexperia
HK$2.075
/個 (每包:50個)
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HC Monostable Multivibrator 2 -4mA 4mA 26 ns 385 ns @ 15 pF - Surface Mount TSSOP16 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm
RS庫存編號 113-0635
製造零件編號74HC4538D,652
BrandNexperia
HK$4.64
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 14 ns 265 ns@ 2 V 0.008mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
RS庫存編號 146-0416
製造零件編號74HCT123PW,112
BrandNexperia
HK$1.508
毎管:96 個
單位
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庫存編號 151-3419
製造零件編號74HC4538PW,118
BrandNexperia
HK$3.07
/個 (每包:25個)
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 20 ns 400 ns @ 15 pF - Surface Mount TSSOP16 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm
RS庫存編號 151-3351
製造零件編號74HC4538PW,118
BrandNexperia
HK$1.62
個 (在毎卷:2500)
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 20 ns 400 ns @ 15 pF - Surface Mount TSSOP16 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm
RS庫存編號 355-8861
製造零件編號HEF4047BT,652
BrandNexperia
HK$4.47
單位
4000 Monostable Multivibrator 1 - - 70 ns 320 ns@ 5 V 0.08mA Surface Mount SOIC 14 8.75 x 4 x 1.45mm 1.45mm 8.75mm
RS庫存編號 151-3348
製造零件編號74HC123PW,118
BrandNexperia
HK$1.088
個 (在毎卷:2500)
單位
HC Monostable Multivibrator 2 -4mA 4mA 26 ns 385 ns @ 15 pF - Surface Mount TSSOP16 16 5.1 x 4.5 x 0.95mm 0.95mm 5.1mm
RS庫存編號 170-5405
製造零件編號74LVC1G123DP,125
BrandNexperia
HK$3.51
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74LVC Monostable Multivibrator 1 -32mA 32mA 2.5 ns 20.3 ns @ 50 pF 20µA Surface Mount TSSOP 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
RS庫存編號 124-2262
製造零件編號74HC4538D,652
BrandNexperia
HK$3.091
毎管:50 個
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 14 ns 265 ns @ 2 V 0.008mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
RS庫存編號 170-8023
製造零件編號HEF4047BT,653
BrandNexperia
HK$1.28
個 (在毎卷:2500)
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HEF - 1 -2.4mA 2.4mA 220 ns 320 ns @ 50 pF - Surface Mount SO 14 8.75 x 4 x 1.45mm 1.45mm 8.75mm
RS庫存編號 153-1982
製造零件編號74HC123PW-Q100,118
BrandNexperia
HK$1.215
個 (在毎卷:2500)
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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庫存編號 178-6975
製造零件編號74HC423D,652
BrandNexperia
HK$5.68
毎管:50 個
單位
HC Monostable Multivibrator 2 -5.2mA 5.2mA 17 ns 255 ns @ 2 V 0.008mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm
RS庫存編號 103-8390
製造零件編號HEF4047BT,652
BrandNexperia
HK$2.574
毎管:57 個
單位
4000 Monostable Multivibrator 1 - - 70 ns 320 ns @ 5 V 0.08mA Surface Mount SOIC 14 8.75 x 4 x 1.45mm 1.45mm 8.75mm
RS庫存編號 483-7979
製造零件編號HEF4528BT,652
BrandNexperia
HK$3.461
/個 (每包:10個)
單位
4000 Monostable Multivibrator 2 - - 20 ns 305 ns@ 5 V 0.08mA Surface Mount SOIC 16 10 x 4 x 1.45mm 1.45mm 10mm