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CD74HC123M96
+物料清單IC MMV 2-CIR 25-NS 16-SOIC
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製造商德州儀器
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製造商部分 #CD74HC123M96
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有存貨3194
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正品保證
規格
| 屬性 | 價值 |
| Series | 74HC |
| Part Status | Active |
| Base Product Number | 74HC123 |
| Logic Type | Monostable |
| Independent Circuits | 2 |
| Schmitt Trigger Input | No |
| Propagation Delay | 25 ns |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
概述
Description
Key characteristics include:
- Supply Voltage: Operates over a voltage range of 2V to 6V.
- Output Drive: Capable of driving 10 LSTTL loads.
- Propagation Delay: Offers fast switching speeds typical of the 74HC series.
- Pulse Width Control: Users can adjust pulse width via external resistor-capacitor (RC) combinations.
- Retriggerable Capability: Allows pulse extension by additional triggering before the timing cycle completion.
- Reset Functionality: Can be reset to terminate the output pulse prematurely.
Applications typically involve timing, pulse generation, and delay circuits in digital systems. Its versatility and reliability make it suitable for a range of electronic projects requiring precise timing control. The device comes in a variety of package options, including SOIC, designed for both through-hole and surface-mount technologies.
Equivalent
1. SN74HC123 from Texas Instruments
2. MC74HC123 from ON Semiconductor
3. 74HC123 from Nexperia
4. HCF123 from STMicroelectronics
These alternatives have similar functionalities and electrical characteristics, but always verify datasheet specifications for compatibility in your specific application.
Features
1. High-Speed Operation: Designed for fast response, making it suitable for various timing applications.
2. Wide Supply Voltage: Operates over a range from 2V to 6V, providing flexibility in different circuit designs.
3. Low Power Consumption: Utilizes CMOS technology to ensure efficient power usage.
4. Adjustable Pulse Width: The output pulse width is programmable via external resistors and capacitors.
5. Retriggerable Functionality: Allows for continuous timing by retriggering the pulse without waiting for the initial pulse to finish.
6. Reset Capability: Can be reset asynchronously, providing precise control over pulse timing.
7. Noise Immunity: Offers good noise immunity, enhancing its reliability in noisy environments.
8. Compact Package: Available in a small-form SOIC-16 package, suitable for space-constrained applications.
These features make the CD74HC123M96 ideal for pulse generation, time delay, and other timing-related applications in digital systems.
Pinout
1. GND (Ground): Connects to the ground of the circuit.
2. A1, A2 (Inputs): Trigger inputs for the monostable multivibrators.
3. B1, B2 (Inputs): Also trigger inputs; used for edge triggering.
4. R\_Cext1, R\_Cext2: External timing resistor and capacitor connections to set the pulse width.
5. Cext1, Cext2: External capacitance connections for timing.
6. \(\overline{\text{CLR}}1, \overline{\text{CLR}}2\) (Inputs): Clear inputs to reset the multivibrator.
7. Q1, Q2 (Outputs): Outputs of the multivibrator sections. Provide the pulse output.
8. \(\overline{Q}1, \overline{Q}2\) (Inverted Outputs): Inverted outputs of the multivibrator sections.
9. V_CC (Power): Connects to the positive supply voltage of the circuit.
The device is used in various applications for pulse generation and timing.
Manufacturer
Application
1. Pulse Width Modulation (PWM): Used in controlling motor speeds and light dimming.
2. Delay Timing Circuits: Provides accurate time delays in various electronic systems.
3. Frequency Counters: Utilized in frequency measurement applications.
4. Signal Conditioning: Helps in shaping and conditioning digital signals.
5. Debouncing Switches: Used in reducing noise in mechanical switches.
6. Communication Systems: Employed for synchronization and timing purposes.
These applications take advantage of its ability to generate stable, precise timing pulses.