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Showing Results For: Monostable Multivibrators
Monostable Multivibrators
Monostable multivibrators, or one-shot multivibrators, feature a stable and unstable state and are digital logic integrated circuits that are used as timers and are designed to produce a single (high or low) output pulse. Their unstable state resulting from the trigger impulse is a transient state, and the circuit returns to its stable state immediately after elapsing the fixed time.
These ICs are also referred to as ½ stable type multivibrators because they feature two transistors added with a resistor network and one resistor-capacitor that determine the time length before returning the triggered circuit to its stable state.
Why use a monostable multivibrator?
This device requires a single pulse for its operation, eliminating the need for multiple pulses. Furthermore, they are cost-effective, easily constructed, and feature simple designs.
Monostable multivibrator types:
These multivibrators are classified into two types and include:
- Re-triggerable Monostable Multivibrators
These multivibrators are re-triggerable with repeated triggering pulses and remain in an unstable state.
- Non-re-triggerable Monostable Multivibrators
These devices remain intact in an unstable state for a specified time period.
Monostable multivibrators packaging options:
These multivibrators are available in a wide range of pin numbers and IC package types, such as:
Types of Basic IC Package
- Ball Grid Array
- Dual In-Line Package
- Quad Flat Package
- Single In-Line Package
Variants of QFP Packaging
- Low-Profile Quad Flat Package
- Thin Quad Flat Package
Variants of BGA Packaging
- Plastic-Ball Grid Array
- Tape-Ball Grid Array
What are monostable multivibrators used for?
- These devices are ideal for generating specialized circuit timed delay.
- They are also suitable for temporary memories and pulse detection in electronic devices used as a timer.
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LTC6993CS6-2#TRMPBF, Linear Technology
The LTC®6993 is a monostable multivibrator (also known as a one-shot pulse generator) with a programmable pulse width of 1μs to 33.6 seconds. The LTC6993 is part of the TimerBlox® family of versatile silicon timing devices. A single resistor, RSET, programs an internal master oscillator frequency, setting the LTC6993s time base. The output pulse width is determined by this master oscillator and an internal clock divider, NDIV , programmable to eight settings from 1 to 221.
Pulse Width Range: 1μs to 33.6 Seconds
Configured with 1 to 3 Resistors
Configurable for Positive or Negative Output Pulse
Fast Recovery Time
CMOS Output Driver Sources/Sinks 2mA
–55°C to 125°C Operating Temperature Range
Applications
Watchdog Timer
Frequency Discriminators
Missing Pulse Detection
Envelope Detection
High Vibration, High Acceleration Environments
Portable and Battery-Powered Equipment
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74LVC1G123DCTT, Texas Instruments
74LVC1G Family, Texas Instruments
Low-Voltage CMOS logic
Single gate package
Operating Voltage: 1.65 to 5.5 V
Compatibility: Input LVTTL/TTL, Output LVCMOS
Latch-up performance exceeds 100 mA per JESD 78 Class II
ESD protection exceeds JESD 22
74LVC Family
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TC74HC423AP(F), Toshiba
TC74HC Series, Toshiba
High-Speed CMOS Logic
Operating Voltage: 2 to 6 V
Compatibility: Input CMOS, Output CMOS
74HC Family
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74HC123PW-Q100,118, Nexperia
Dual retriggerable monostable multivibrator with reset, The 74HC123-Q100, 74HCT123-Q100 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC123-Q100, 74HCT123-Q100 are dual retriggerable monostable multivibrators with output pulse width control by three methods, The basic pulse is defined by the selection of the external resistor (REXT) and capacitor (CEXT). Once triggered, the basic output pulse width may be extended by retriggering the gated active LOW-going edge input (nA) or the active HIGH-going edge input (nB).
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
DC triggered from active HIGH or active LOW inputs
Retriggerable for very long pulses up to 100 % duty factor
Direct reset terminates output pulse
Schmitt trigger action on all inputs except for the reset input
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LTC6993IS6-1TRMPBF, Analog Devices
Pulse Generators
Monostable Multivibrator or one-shot Pulse Generator devices for use in timing, triggering and pulse detection applications.
Timers/Timing Generators
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HEF4538BT,652, NXP
4000 Series Multivibrators & Timers, Nexperia
4000 CMOS Logic Family, Nexperia
CMOS Family devices
Wide operating voltage range: 3 to 18V
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TC74HC4538AF(F), Toshiba
TC74HC Series, Toshiba
High-Speed CMOS Logic
Operating Voltage: 2 to 6 V
Compatibility: Input CMOS, Output CMOS
74HC Family
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MC74HC4538ADG, ON Semiconductor
74HC Family, ON Semiconductor
High-Speed CMOS Logic
Operating Voltage: 2 to 6 V
Compatibility: Input CMOS, Output CMOS
74HC Family
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LTC6993CS6-1TRMPBF, Linear Technology
Pulse Generators
Monostable Multivibrator or one-shot Pulse Generator devices for use in timing, triggering and pulse detection applications.
Timers/Timing Generators
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