Overview
The 74HC423D,652 is a dual retriggerable monostable multivibrator with reset, produced by Nexperia USA Inc. This integrated circuit is part of the 74HC series and is designed to provide flexible pulse width control. The device can be triggered from active HIGH or active LOW inputs and features a direct reset function to terminate the output pulse. It is known for its high noise immunity and low power dissipation, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC423D,652 |
| Package | SO16 (SOT109-1) |
| Supply Voltage (VCC) | 2.0 - 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 5.2 mA |
| Propagation Delay (tpd) | 23 ns |
| Power Dissipation | Low |
| Operating Temperature Range | -40 °C to +125 °C |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
Key Features
- Dual retriggerable monostable multivibrator with reset
- Output pulse width control by external resistor and capacitor
- Retriggerable for very long pulses up to 100% duty factor
- Direct reset to terminate output pulse
- Schmitt-trigger action on all inputs except for the reset input
- Wide supply voltage range from 2.0 V to 6.0 V
- High noise immunity and low power dissipation
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
Applications
The 74HC423D,652 is versatile and can be used in various applications across different industries, including:
- Automotive systems for timing and pulse generation
- Industrial control systems for signal processing and timing
- Consumer electronics for clocking and timing circuits
- Mobile and wearable devices for efficient and reliable timing functions
- Power and computing systems for robust and reliable pulse generation
Q & A
- What is the 74HC423D,652?
The 74HC423D,652 is a dual retriggerable monostable multivibrator with reset, used for generating and controlling pulse widths. - What is the supply voltage range for the 74HC423D,652?
The supply voltage range is from 2.0 V to 6.0 V. - How is the output pulse width controlled?
The output pulse width is controlled by an external resistor and capacitor. - Can the 74HC423D,652 be retriggered?
Yes, it is retriggerable for very long pulses up to 100% duty factor. - What is the operating temperature range?
The operating temperature range is from -40 °C to +125 °C. - Does the 74HC423D,652 have ESD protection?
Yes, it has ESD protection exceeding 2000 V (HBM) and 1000 V (CDM). - What package type is the 74HC423D,652 available in?
The 74HC423D,652 is available in the SO16 (SOT109-1) package. - Is the 74HC423D,652 still in production?
No, the 74HC423D,652 is no longer manufactured but can still be used in assembly. - What are the logic switching levels of the 74HC423D,652?
The logic switching levels are CMOS. - What is the propagation delay of the 74HC423D,652?
The propagation delay is 23 ns.
