Overview
The 74HC123BQ,115 is a dual retriggerable monostable multivibrator with reset, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HC series, known for its high noise immunity and low power dissipation. The device is designed to generate a single pulse of a fixed duration in response to a trigger signal, and it can be extended by retriggering the inputs. It is widely used in various electronic designs due to its versatility and reliability.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage Range | 2.0 V to 6.0 V |
| Package Type | DHVQFN16 (SOT763-1), 16 terminals, 0.5 mm pitch, 3.5 mm x 2.5 mm x 0.85 mm body |
| Input Levels | CMOS level for 74HC123, TTL level for 74HCT123 |
| Latch-up Performance | Exceeds 100 mA per JESD 78 Class II Level B |
| Trigger Inputs | Edge triggered inputs (nA or nB) |
| Reset Input | Direct reset terminates output pulse (nRD) |
| Noise Immunity | High noise immunity |
Key Features
- 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: Schmitt-trigger action in the inputs enhances noise tolerance.
- Retriggerable: Output pulse width can be extended by retriggering the inputs.
- Direct Reset: Output pulse can be terminated at any time by a LOW-going edge on the reset input (nRD).
- Overvoltage Tolerant Inputs: Inputs can handle voltages in excess of VCC with current limiting resistors.
Applications
The 74HC123BQ,115 finds applications across various industries, including:
- Automotive: Used in automotive systems for timing and pulse generation.
- Industrial: Employed in industrial control systems for signal processing and timing.
- Consumer Electronics: Used in consumer devices for timing and pulse generation.
- Mobile and Wearables: Suitable for mobile and wearable devices due to its low power consumption.
- Power and Computing: Used in power management and computing systems for timing and signal processing.
Q & A
- What is the supply voltage range of the 74HC123BQ,115?
The supply voltage range is from 2.0 V to 6.0 V.
- What type of package does the 74HC123BQ,115 come in?
The device comes in a DHVQFN16 (SOT763-1) package with 16 terminals, 0.5 mm pitch, and a body size of 3.5 mm x 2.5 mm x 0.85 mm.
- What are the input levels for the 74HC123BQ,115?
The input levels are CMOS level for the 74HC123 and TTL level for the 74HCT123.
- How can the output pulse width be extended in the 74HC123BQ,115?
The output pulse width can be extended by retriggering either of the edge-triggered inputs (nA or nB).
- How can the output pulse be terminated in the 74HC123BQ,115?
The output pulse can be terminated at any time by a LOW-going edge on the reset input (nRD).
- What is the latch-up performance of the 74HC123BQ,115?
The latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
- Does the 74HC123BQ,115 have high noise immunity?
Yes, the device has high noise immunity due to Schmitt-trigger action in the inputs.
- Can the inputs of the 74HC123BQ,115 handle voltages in excess of VCC?
Yes, the inputs are overvoltage tolerant and can handle voltages in excess of VCC with current limiting resistors.
- In which industries is the 74HC123BQ,115 commonly used?
The device is used in automotive, industrial, consumer electronics, mobile and wearables, power, and computing industries.[
- How can I order samples of the 74HC123BQ,115?
Samples can be ordered via Nexperia's sales organization or through their network of global and regional distributors.[
