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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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
New
RS Stock No. 209-6142
Mfr. Part No.LTC6993IS6-2#TRMPBF
HK$28.884
Each (On a Reel of 500)
units
- Monostable Multivibrator 1 5.5mA 2.7mA - - - - DFN 6 - - -
RS Stock No. 164-6069
Mfr. Part No.LTC6993CS6-2#TRMPBF
HK$31.72
Each (In a Pack of 2)
units
LTC Monostable Multivibrator 1 -16mA 16mA 1 μs 28 ns @ 5 pF - Surface Mount TSOT-23 6 2.9 x 1.75 x 0.9mm 0.9mm 2.9mm
RS Stock No. 760-3390
Mfr. Part No.LTC6993IS6-1#TRMPBF
HK$36.20
Each
units
LVCMOS, LVTTL Monostable Multivibrator 1 -16mA 16mA 1 μs 28ns 0.2mA Surface Mount TSOT-23 6 2.9 x 1.75 x 1mm 1mm 2.9mm
New
RS Stock No. 209-6143
Mfr. Part No.LTC6993IS6-2#TRMPBF
HK$34.885
Each (In a Pack of 2)
units
- Monostable Multivibrator 1 5.5mA 2.7mA - - - - DFN 6 - - -
RS Stock No. 760-3397
Mfr. Part No.LTC6993CS6-1#TRMPBF
HK$31.72
Each
units
LVCMOS, LVTTL Monostable Multivibrator 1 -16mA 16mA 1 μs 28ns 0.2mA Surface Mount TSOT-23 6 2.9 x 1.75 x 1mm 1mm 2.9mm
RS Stock No. 164-6068
Mfr. Part No.LTC6993CS6-2#TRMPBF
HK$23.006
Each (On a Reel of 500)
units
LTC Monostable Multivibrator 1 -16mA 16mA 1 μs 28 ns @ 5 pF - Surface Mount TSOT-23 6 2.9 x 1.75 x 0.9mm 0.9mm 2.9mm
RS Stock No. 919-8989
Mfr. Part No.LTC6993CS6-1TRMPBF
HK$22.866
Each (On a Reel of 500)
units
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 Stock No. 919-8985
Mfr. Part No.LTC6993IS6-1TRMPBF
HK$27.095
Each (On a Reel of 500)
units
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