SN74AHC123AMDREPG4

Product Overview

• Category: Integrated Circuit
• Use: Multivibrator and Monostable Multivibrator
• Characteristics: High-speed, low-power, dual retriggerable monostable multivibrator
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile integrated circuit that can be used as a multivibrator or monostable multivibrator in various electronic applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24 mA at 3.3 V
• Trigger Schmitt Inputs for Noise Suppression
• Low Power Consumption: 10 µA maximum ICC
• Propagation Delay: 6 ns typical
• Triggering from the Leading or Trailing Edge
• Complies with JEDEC Standard JESD8-7A

Detailed Pin Configuration

The SN74AHC123AMDREPG4 has a total of 16 pins arranged as follows:

1. Pin 1: GND (Ground)
2. Pin 2: A Input
3. Pin 3: B Input
4. Pin 4: Rext (External Resistor)
5. Pin 5: Cext (External Capacitor)
6. Pin 6: RCext (Resistor-Capacitor External Time Constant)
7. Pin 7: VCC (Positive Power Supply)
8. Pin 8: Q Output
9. Pin 9: Q̅ Output (Complementary Output)
10. Pin 10: CLR (Clear)
11. Pin 11: nRD (Negative Reset)
12. Pin 12: nTR (Negative Trigger)
13. Pin 13: nRD (Positive Reset)
14. Pin 14: nTR (Positive Trigger)
15. Pin 15: B Input
16. Pin 16: GND (Ground)

Functional Features

• Dual retriggerable monostable multivibrator with Schmitt-trigger inputs.
• Can be triggered by either the leading or trailing edge of an input pulse.
• Provides a stable output pulse width determined by external resistor and capacitor values.
• Retriggering capability allows for extending the output pulse width.
• Noise suppression feature provided by trigger Schmitt inputs.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal processing. - Low power consumption makes it suitable for battery-powered devices. - Versatile functionality as both a multivibrator and monostable multivibrator. - Retriggering capability provides flexibility in pulse width control.

Disadvantages: - Limited supply voltage range (2 V to 5.5 V). - Operating temperature range may not be suitable for extreme environments. - Requires external resistors and capacitors for proper operation.

Working Principles

The SN74AHC123AMDREPG4 operates based on the principles of multivibrator and monostable multivibrator circuits. It utilizes trigger Schmitt inputs to suppress noise and provide reliable triggering. The output pulse width is determined by external resistor and capacitor values, allowing for customization based on specific application requirements. The retriggering capability extends the output pulse width if additional triggering occurs during the pulse period.

Detailed Application Field Plans

The SN74AHC123AMDREPG4 finds applications in various electronic systems, including but not limited to:

1. Timing and delay circuits in microcontrollers and digital logic systems.
2. Pulse generation and shaping in communication systems.
3. Frequency division and clock synchronization in digital circuits.
4. Control signal generation in industrial automation systems.
5. Timing and synchronization in automotive electronics.

Detailed and Complete Alternative Models

1. CD74HC123E: High-speed CMOS Logic Dual Retriggerable Monostable Multivibrator
2. MC74HC123AN: Dual Retriggerable Monostable Multivibrator with Schmitt-Trigger Inputs
3. SN74AHC123APW: Dual Retriggerable Monostable Multivibrator with Schmitt-Trigger Inputs, TSSOP Package

These alternative models offer similar functionality and can be considered as substitutes for the SN74AHC123AMDREPG4 based on specific requirements and availability.

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