Overview
The 74HC123D-Q100,118 is a dual retriggerable monostable multivibrator with reset, produced by Nexperia USA Inc. This integrated circuit is part of the 74HC family and is known for its versatility and reliability in various electronic applications. The device allows for the programming of the output pulse width using external components, and it can be extended by retriggering the edge-triggered inputs. It also features a reset input that can terminate the output pulse at any time.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.0 V to 6.0 V |
| Package Type | SO16 (SOT109-1) |
| Number of Pins | 16 |
| Input Levels | CMOS level |
| Power Dissipation | CMOS low power dissipation |
| Noise Immunity | High noise immunity |
| Latch-up Performance | Exceeds 100 mA per JESD 78 Class II Level B |
| Triggering | Edge-triggered inputs (nA or nB) |
| Reset Input | LOW-going edge on input nRD |
Key Features
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- High noise immunity
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Schmitt-trigger action in the nA and nB inputs for high tolerance to slower input rise and fall times
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
- Dual retriggerable monostable multivibrator with reset
Applications
The 74HC123D-Q100,118 is versatile and can be used in a variety of applications across different industries, including:
- Automotive systems
- Industrial control systems
- Power management systems
- Computing and consumer electronics
- Mobile and wearable devices
Q & A
- What is the supply voltage range of the 74HC123D-Q100,118?
The supply voltage range is from 2.0 V to 6.0 V. - What type of package does the 74HC123D-Q100,118 come in?
The device comes in a SO16 (SOT109-1) package. - How many pins does the 74HC123D-Q100,118 have?
The device has 16 pins. - What are the input levels for the 74HC123D-Q100,118?
The input levels are CMOS level. - How is the output pulse width programmed?
The output pulse width is programmed by selection of external components (REXT and CEXT). - Can the output pulse be extended?
Yes, the output pulse can be extended by retriggering either of the edge-triggered inputs (nA or nB). - How can the output pulse be terminated?
The output pulse can be terminated at any time by a LOW-going edge on input nRD. - What is the latch-up performance of the 74HC123D-Q100,118?
The latch-up performance exceeds 100 mA per JESD 78 Class II Level B. - What is the significance of Schmitt-trigger action in the inputs?
Schmitt-trigger action makes the circuit highly tolerant to slower input rise and fall times. - Can the inputs interface with voltages in excess of VCC?
Yes, the inputs include clamp diodes for interfacing with voltages in excess of VCC.
