Overview
The CD74HC123M96E4 is a High Speed CMOS Logic Dual Retriggerable Monostable Multivibrator with Reset, manufactured by Texas Instruments. This component is part of the 74HC series and is known for its high-speed operation and wide range of applications. It features dual independent circuits, each capable of generating a monostable pulse, and includes separate reset inputs for each circuit. The device operates over a wide temperature range and is available in a 16-pin SOIC (D) package.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | SOIC (D) | 16 pins |
| Operating Temperature Range | -55°C to 125°C | |
| Voltage - Supply | 2V to 6V | |
| Propagation Delay | 25 ns (typical at VCC = 5V) | |
| Current - Output High, Low | 5.2 mA | |
| Mounting Type | Surface Mount | |
| Independent Circuits | 2 | |
| Schmitt Trigger Input | No, but Schmitt trigger on both A and B inputs |
Key Features
- Overriding Reset Terminates Output Pulse
- Triggering From the Leading or Trailing Edge
- Q and Q Buffered Outputs
- Separate Resets
- Wide Range of Output-Pulse Widths
- Schmitt Trigger on Both A and B Inputs
- Wide Operating Temperature Range: -55°C to 125°C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction Compared to LSTTL Logic ICs
- High Noise Immunity
- CMOS Input Compatibility
Applications
The CD74HC123M96E4 is versatile and can be used in a variety of applications, including:
- Pulse generation and shaping in digital circuits
- Timing and delay circuits
- Reset and clear functions in microprocessor systems
- Frequency dividers and counters
- Automotive and industrial control systems where high reliability and wide temperature range are required
Q & A
- What is the operating temperature range of the CD74HC123M96E4?
The operating temperature range is -55°C to 125°C.
- What is the supply voltage range for this component?
The supply voltage range is 2V to 6V.
- How many independent circuits does the CD74HC123M96E4 have?
The component has 2 independent circuits.
- Does the CD74HC123M96E4 have Schmitt trigger inputs?
No, but it has Schmitt triggers on both A and B inputs.
- What is the typical propagation delay of the CD74HC123M96E4?
The typical propagation delay is 25 ns at VCC = 5V.
- How can the output pulse width be calculated?
The output pulse width can be calculated using the formula tW = 0.45 RXCX at VCC = 5V.
- Can the output pulse be terminated by a reset signal?
- What is the fanout capability of the CD74HC123M96E4?
The component can drive up to 10 LSTTL loads or 15 bus driver loads.
- Is the CD74HC123M96E4 suitable for high-noise environments?
- What is the package type of the CD74HC123M96E4?
The component is packaged in a 16-pin SOIC (D) package.
