The CD74HCT123E is an integrated circuit (IC) component that belongs to the CD54/74HCT series of high-speed CMOS logic. It is a dual retriggerable monostable multivibrator, commonly known as a "one-shot" circuit. The IC offers various features that make it suitable for a wide range of applications.
Key Features of CD74HCT123E:
1. Dual Monostable Multivibrator: The CD74HCT123E contains two independent retriggerable monostable multivibrators. Each monostable multivibrator has a trigger, retrigger, and output pulse width control (PWCTRL) input.
2. Wide Operating Voltage Range: The IC operates with a voltage range from 4.5V to 5.5V, making it compatible with standard TTL and CMOS logic families.
3. High-Speed Operation: The CD74HCT123E operates at a high-speed propagation delay of 13 ns, allowing for quick response times in timing applications.
4. Schmitt Trigger Inputs: The monostable multivibrator inputs employ Schmitt trigger action, providing excellent noise immunity by rejecting slow-rising or slow-falling input signals.
5. Adjustable Pulse Width: The output pulse width can be adjusted by integrating an external resistor (REXT) and capacitor (CEXT) to suit specific timing requirements
