Overview
The 74HC123PW,112, produced by Nexperia USA Inc., is a dual retriggerable monostable multivibrator with reset. This integrated circuit is part of the HC/UH series and is designed to provide flexible timing and pulse generation capabilities in various electronic circuits. The device features two independent monostable multivibrators, each capable of generating a pulse width that can be programmed using external resistors and capacitors.
The 74HC123PW,112 is housed in a TSSOP16 package, making it suitable for surface mount applications. It operates over a wide supply voltage range from 2.0 V to 6.0 V, ensuring compatibility with a variety of power sources.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74HC123PW | 2.0 - 6.0 | CMOS | ± 5.2 | 26 | Low | -40 to 125 | 122 | 3.9 | 51.5 | TSSOP16 (SOT403-1) |
Key Features
- Dual Retriggerable Monostable Multivibrator: Each multivibrator can be triggered by either a HIGH or LOW input level, and the output pulse width can be extended by retriggering the inputs.
- Programmable Pulse Width: The output pulse width is programmed using external resistors and capacitors.
- Reset Capability: The output pulse can be terminated at any time by a LOW-going edge on the reset input (nRD).
- Schmitt-Trigger Inputs: Inputs include Schmitt-trigger action, making the circuit highly tolerant to slower input rise and fall times.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High Noise Immunity: Designed to provide high noise immunity.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
Applications
The 74HC123PW,112 is versatile and can be used in a variety of applications across different industries, including:
- Automotive Electronics: For timing and pulse generation in automotive systems, such as in safety and efficiency enhancements.
- Industrial Automation: In control circuits, timing circuits, and pulse generators for industrial equipment.
- Consumer Electronics: For timing and control functions in consumer devices, such as in audio and video equipment.
- Computing and Networking: In timing and synchronization circuits within computing and networking hardware.
- Medical Devices: For precise timing and pulse generation in medical equipment.
Q & A
- What is the 74HC123PW,112 used for?
The 74HC123PW,112 is a dual retriggerable monostable multivibrator with reset, used for generating and controlling timing pulses in electronic circuits.
- What is the supply voltage range of the 74HC123PW,112?
The device operates over a supply voltage range from 2.0 V to 6.0 V.
- How is the output pulse width programmed?
The output pulse width is programmed using external resistors and capacitors.
- Can the output pulse be terminated early?
- What type of inputs does the 74HC123PW,112 have?
The inputs include Schmitt-trigger action, making the circuit highly tolerant to slower input rise and fall times.
- What is the package type of the 74HC123PW,112?
The device is housed in a TSSOP16 (SOT403-1) package.
- What are the operating temperature limits of the 74HC123PW,112?
The device operates within a temperature range of -40°C to 125°C.
- Is the 74HC123PW,112 compliant with any industry standards?
- What are some common applications of the 74HC123PW,112?
- How does the 74HC123PW,112 handle noise immunity?
