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74HC123PW
+Lista de MateriaisMonostable Multivibrator
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Peça do Fabricante #74HC123PW
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Visão Geral
Description
Key features of the 74HC123PW include:
- Dual monostable operation: It contains two independent monostable multivibrators in a single package.
- Retriggerable and resettable: The device can be retriggered to extend the output pulse duration and reset for precise control.
- Wide supply voltage range: Operates between 2V and 6V, offering versatility for different applications.
- Fast switching: Typically achieves propagation delays of 15 ns at a 5V supply.
- Low power consumption: Its CMOS technology ensures minimal power usage.
The 74HC123PW is housed in a TSSOP (Thin Shrink Small Outline Package) with 16 pins, allowing for compact circuit designs. It is suitable for a variety of applications, including signal conditioning, timing circuits, and pulse generation in consumer electronics, industrial controls, and communication equipment.
Equivalent
Features
1. Dual Monostable Multivibrator: Contains two independent multivibrators in a single package.
2. Retriggerable: Allows the timing period to be extended by additional trigger inputs.
3. Wide Voltage Range: Operates within a supply voltage range of 2V to 6V.
4. Low Power Consumption: Ideal for battery-operated devices, thanks to its CMOS technology.
5. Adjustable Pulse Width: Pulse width can be controlled via external resistor and capacitor.
6. High Noise Immunity: Offers reliable performance in noisy environments.
7. Clear and Trigger Inputs: Provides control over the output state.
8. Propagation Delay: Delivers fast response times, suitable for high-speed applications.
9. Standard Package: Available in TSSOP to fit a variety of design requirements.
The 74HC123PW is widely used in timing applications, pulse generation, and as a delay element in digital circuits.
Pinout
Here is a brief overview of the pin functions:
1. Pin 1 (A1): Input A for the first monostable.
2. Pin 2 (B1): Input B for the first monostable.
3. Pin 3 (Q1): Output Q for the first monostable.
4. Pin 4 (Q1): Complementary output for the first monostable.
5. Pin 5 (Cext1): External timing capacitor input for the first monostable.
6. Pin 6 (Rext/Cext1): External resistor-capacitor connection for the first monostable.
7. Pin 7 (GND): Ground.
8. Pin 8 (Cext2): External timing capacitor input for the second monostable.
9. Pin 9 (Rext/Cext2): External resistor-capacitor connection for the second monostable.
10. Pin 10 (Q2): Complementary output for the second monostable.
11. Pin 11 (Q2): Output Q for the second monostable.
12. Pin 12 (B2): Input B for the second monostable.
13. Pin 13 (A2): Input A for the second monostable.
14. Pin 14 (RESET1): Reset for the first monostable.
15. Pin 15 (RESET2): Reset for the second monostable.
16. Pin 16 (VCC): Supply voltage.
This IC is utilized for generating precise time delays or pulse-width modulation by using external resistors and capacitors.