Overview
The 74HCT123PW,112 is a dual retriggerable monostable multivibrator with reset, manufactured by Nexperia USA Inc. This component is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) input levels. The device is designed to generate a single pulse of a fixed duration in response to a trigger signal, and it can be retriggered to extend the pulse duration. The 74HCT123PW,112 is packaged in a TSSOP16 (Thin Shrink Small Outline Package) with 16 leads, making it suitable for a variety of applications where space is limited.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| VCC (V) | 4.5 - 5.5 | Supply voltage range |
| Logic switching levels | TTL | Input logic levels compatible with TTL |
| Output drive capability (mA) | ± 4 | Maximum current the output can drive |
| tpd (ns) | 26 | Propagation delay time |
| Power dissipation considerations | Low power dissipation | Characteristics of power consumption |
| Tamb (°C) | -40 to +125 | Operating temperature range |
| Package | TSSOP16 (SOT403-1) | Package type and body width |
Key Features
- Wide supply voltage range: Operates from 4.5 V to 5.5 V, making it versatile for various applications.
- Low power dissipation: CMOS technology ensures low power consumption.
- High noise immunity: Schmitt-trigger action on inputs enhances noise tolerance.
- Retriggerable for long pulses: Allows for extending the output pulse duration by retriggering the inputs.
- Direct reset: Output pulse can be terminated at any time by a LOW-going edge on the reset input.
- ESD protection: Human Body Model (HBM) JESD22-A114F exceeds 2000 V and Machine Model (MM) JESD22-A115-A exceeds 200 V.
- Multiple package options: Available in various packages, including TSSOP16, SO16, and DHVQFN16.
Applications
- Timing and pulse generation: Used in circuits requiring precise timing and pulse generation.
- Signal processing: Suitable for applications involving signal processing and conditioning.
- Automotive and industrial control systems: Can be used in control systems due to its robustness and wide operating temperature range.
- Consumer electronics: Found in various consumer electronic devices requiring reliable timing and pulse generation.
Q & A
- What is the primary function of the 74HCT123PW,112?
The primary function is to act as a dual retriggerable monostable multivibrator with reset, generating a single pulse of a fixed duration in response to a trigger signal.
- What is the supply voltage range for the 74HCT123PW,112?
The supply voltage range is from 4.5 V to 5.5 V.
- What type of logic levels does the 74HCT123PW,112 support?
The device supports TTL (Transistor-Transistor Logic) input levels.
- How can the output pulse duration be extended?
The output pulse duration can be extended by retriggering either of the edge-triggered inputs.
- What is the propagation delay time for the 74HCT123PW,112?
The propagation delay time is approximately 26 ns.
- What is the operating temperature range for the 74HCT123PW,112?
The operating temperature range is from -40°C to +125°C.
- What type of package is the 74HCT123PW,112 available in?
The device is available in a TSSOP16 (Thin Shrink Small Outline Package) with 16 leads.
- Does the 74HCT123PW,112 have ESD protection?
Yes, it has ESD protection with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- Can the output pulse be terminated at any time?
Yes, the output pulse can be terminated at any time by a LOW-going edge on the reset input.
- Is the 74HCT123PW,112 RoHS compliant?
Yes, the device is RoHS compliant.
