Overview
The 74HCT123D,653 is a dual retriggerable monostable multivibrator with reset, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HCT series and is designed to provide a versatile and reliable solution for various timing and pulse generation applications. The device features a wide supply voltage range, low power dissipation, and high noise immunity, making it suitable for a broad range of electronic designs.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HCT123D |
| Orderable Part Number | 74HCT123D,653 |
| Package | 16-SOIC (0.154", 3.90mm Width) |
| Supply Voltage Range | 2.0 V to 6.0 V |
| Input Levels | TTL level |
| Propagation Delay | 77 ns |
| Current - Output High, Low | 4 mA, 4 mA |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Surface Mount |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, making it versatile for various applications.
- CMOS Low Power Dissipation: Minimizes power consumption, ideal for energy-efficient designs.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- Latch-up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- Schmitt-trigger Action: Inputs are highly tolerant to slower input rise and fall times.
- Retriggerable Monostable Multivibrator: Allows for the extension of the output pulse width by retriggering the inputs.
- Reset Capability: Output delay can be terminated at any time by a LOW-going edge on the reset input (nRD).
Applications
The 74HCT123D,653 is widely used in various industries and applications, including:
- Automotive: For timing and pulse generation in automotive systems.
- Industrial: In control systems, timing circuits, and pulse generators.
- Consumer Electronics: In devices requiring precise timing and pulse control.
- Mobile and Wearables: For energy-efficient timing solutions in portable devices.
- Computing and Power Systems: In timing circuits and pulse generators for computing and power management systems.
Q & A
- What is the primary function of the 74HCT123D,653?
The 74HCT123D,653 is a dual retriggerable monostable multivibrator with reset, used for generating timing pulses and delays.
- What is the supply voltage range of the 74HCT123D,653?
The supply voltage range is from 2.0 V to 6.0 V.
- What type of input levels does the 74HCT123D,653 support?
The 74HCT123D,653 supports TTL input levels.
- How can the output pulse width be extended in the 74HCT123D,653?
The output pulse width can be extended by retriggering either of the edge-triggered inputs (nA or nB).
- What is the propagation delay of the 74HCT123D,653?
The propagation delay is 77 ns.
- What is the operating temperature range of the 74HCT123D,653?
The operating temperature range is from -40°C to 125°C.
- What package type is the 74HCT123D,653 available in?
The 74HCT123D,653 is available in a 16-SOIC package.
- Does the 74HCT123D,653 have any special input features?
Yes, it has Schmitt-trigger action in the inputs, making it highly tolerant to slower input rise and fall times.
- How can the output delay be terminated in the 74HCT123D,653?
The output delay can be terminated at any time by a LOW-going edge on the reset input (nRD).
- What industries can the 74HCT123D,653 be used in?
The 74HCT123D,653 can be used in automotive, industrial, consumer electronics, mobile and wearables, and computing and power systems.
