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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รายละเอียดสินค้า / Description ราคา / 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 Stock No. 113-0635
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.74HC4538D,652
Brand :Nexperia
THB12.81
Each
Units
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 Stock No. 662-9626
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4047BE
THB16.69
Each: (In a Pack of 5)
Units
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 Stock No. 144-9936
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4047BE
THB8.582
Each (In a Tube of 25)
Units
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 Stock No. 124-2262
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.74HC4538D,652
Brand :Nexperia
THB14.239
Each (In a Tube of 50)
Units
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 Stock No. 662-7005
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HC123M96
THB13.538
Each: (In a Pack of 10)
Units
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 Stock No. 526-701
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HC123M
THB15.288
Each (In a Tube of 40)
Units
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 Stock No. 539-9456
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TC74HC123AP(F)
Brand :Toshiba
THB12.726
Each: (In a Pack of 5)
Units
HC Monostable Multivibrator 2 -5.2mA 5.2mA 13 ns 210 ns @ 2 V 0.004mA Through Hole PDIP 16 19.25 x 6.4 x 3.5mm 3.5mm 19.25mm
RS Stock No. 527-293
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4098BE
THB13.328
Each (In a Tube of 25)
Units
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 Stock No. 756-2915
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TC74HC123AF(ELNE,F
Brand :Toshiba
THB18.696
Each: (In a Pack of 5)
Units
74HC Monostable Multivibrator 2 -5.2mA 5.2mA 95 ns@ 2 V 295ns 0.04mA Surface Mount SOP 16 10.8 x 5.3 x 1.5mm 1.5mm 10.8mm
RS Stock No. 145-0702
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HCT123M
THB16.48
Each (In a Tube of 40)
Units
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 Stock No. 305-591
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74121N
THB115.67
Each
Units
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 Stock No. 125-0045
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MC74HC4538ADG
THB13.553
Each (In a Tube of 48)
Units
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 Stock No. 541-9358
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TC74HC4538AF(F)
Brand :Toshiba
THB26.736
Each: (In a Pack of 5)
Units
HC Monostable Multivibrator 2 -5.2mA 5.2mA 13 ns 250 ns @ 2 V 0.004mA Surface Mount SOP 16 10.3 x 5.3 x 1.5mm 1.5mm 10.3mm
RS Stock No. 528-078
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HC4538M96
THB11.638
Each: (In a Pack of 25)
Units
HC Monostable Multivibrator 2 -5.2mA 5.2mA 14 ns 250 ns @ 2 V 0.008mA Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm
RS Stock No. 368-5654
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74121N
THB97.84
Each (In a Tube of 25)
Units
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 Stock No. 662-7226
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HCT123M96
THB10.445
Each: (In a Pack of 10)
Units
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 Stock No. 162-6965
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HCT123M96
THB5.142
Each (On a Reel of 2500)
Units
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 Stock No. 662-8461
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74LV221APWR
THB39.424
Each: (In a Pack of 5)
Units
LV Monostable Multivibrator 2 -12mA 12mA 5 ns 36 ns @ 2.5 V 0.02mA Surface Mount TSSOP 16 5 x 4.4 x 1.15mm 1.15mm 5mm
RS Stock No. 662-9682
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4098BM
THB17.16
Each: (In a Pack of 5)
Units
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 Stock No. 171-3314
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.74VHC123AFT
Brand :Toshiba
THB2.96
Each (On a Reel of 2500)
Units
74VHC Monostable Multivibrator 27 -8mA 8mA 5 ns 24.5ns 80µA Surface Mount TSSOP 16 5 x 4.4 x 1mm 1mm 5mm
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