SN74AHC123ADR

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SN74AHC123ADR

+BOM

IC MMV 2-CIR 7.5-NS 16-SOIC

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  • メーカー品番 #SN74AHC123ADR

  • データシート SN74AHC123ADR DataSheet

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仕様

属性
Series 74AHC
PartStatus Active
LogicType Monostable
IndependentCircuits 2
SchmittTriggerInput Yes
PropagationDelay 7.5 ns
Current-OutputHigh,Low 8mA, 8mA
Voltage-Supply 2 V ~ 5.5 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 16-SOIC
BaseProductNumber 74AHC123

概要

Description

The SN74AHC123ADR is a dual retriggerable monostable multivibrator designed for high-speed digital applications. Operating within a voltage range of 2V to 5.5V, it features low power consumption and high noise immunity, making it suitable for battery-operated devices. The device can be triggered by both positive and negative edges, allowing versatile applications in pulse generation, timing circuits, and signal conditioning.
Its output can drive TTL-compatible loads, and it offers both active-high and active-low outputs, providing flexibility in circuit design. The SN74AHC123ADR also includes built-in debouncing capabilities, reducing false triggers caused by noise.
With its compact 14-pin SOIC package, it is ideal for space-constrained applications. The part is commonly used in automotive, industrial, and communication systems, where reliable timing and control signals are essential. Overall, the SN74AHC123ADR is a robust choice for engineers looking for a reliable multivibrator solution.

Equivalent

Equivalent products for the SN74AHC123ADR chip include the MC14490, 74HC123, and 74HCT123. These chips provide similar functionalities, including dual retriggerable monostable multivibrators. Always verify specific specifications and electrical characteristics before substituting components.

Features

The SN74AHC123ADR is a dual monostable multivibrator designed for high-speed applications. Key features include:
1. Dual Configuration: Contains two independent monostable circuits, allowing for versatile timing applications.
2. Wide Supply Voltage Range: Operates from 2V to 5.5V, suitable for various logic levels.
3. High-Speed Operation: Capable of switching speeds up to 75 ns at 5V, making it ideal for fast applications.
4. Low Power Consumption: The device offers low static and dynamic power consumption, enhancing efficiency.
5. Programmable Timing: The timing interval can be easily programmed using external resistors and capacitors.
6. Schmitt Trigger Input: Provides clean and noise-immune signal transitions.
7. TTL Compatible: Fully compatible with TTL logic levels, ensuring interoperability with other devices.
8. Temperature Range: Operates within a wide temperature range from -40°C to 125°C.
These features make the SN74AHC123ADR suitable for applications in digital communication, pulse generation, and timing circuits.

Pinout

The SN74AHC123ADR is a dual monostable multivibrator featuring two independent circuits. It has a total of 14 pins.
Pin Count and Functions:
1. Pin 1 (A): Trigger input for monostable 1.
2. Pin 2 (B): Trigger input for monostable 2.
3. Pin 3 (Q): Output for monostable 1.
4. Pin 4 (Q'): Inverted output for monostable 1.
5. Pin 5 (C): Threshold voltage input for monostable 1.
6. Pin 6 (R): Reset for monostable 1.
7. Pin 7 (GND): Ground.
8. Pin 8 (VCC): Supply voltage.
9. Pin 9 (A'): Trigger input for monostable 2.
10. Pin 10 (B'): Trigger input for monostable 1.
11. Pin 11 (Q'): Output for monostable 2.
12. Pin 12 (Q): Inverted output for monostable 2.
13. Pin 13 (C'): Threshold voltage input for monostable 2.
14. Pin 14 (R'): Reset for monostable 2.
This device is commonly used for timing applications in digital circuits.

Manufacturer

The SN74AHC123ADR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, TI specializes in designing and manufacturing a broad range of analog, digital, and embedded processing chips. The company serves various industries, including automotive, industrial, communications, consumer electronics, and computing. TI is renowned for its innovation in analog technology and its commitment to providing high-performance, reliable semiconductor solutions. The SN74AHC123ADR itself is a dual retriggerable monostable multivibrator, commonly used in timing applications, pulse generation, and signal conditioning.

Application

The SN74AHC123ADR is a dual retriggerable monostable multivibrator used in various applications, including pulse width modulation, timers, and frequency dividers. It is commonly employed in digital circuits for signal conditioning, generating precise pulse durations, and debouncing switches. Its versatility makes it suitable for applications in automotive systems, industrial controls, and communication devices, where reliable timing and control signals are essential. Additionally, its low power consumption and high-speed operation are advantageous in battery-powered devices and high-speed digital circuits.

Package

The SN74AHC123ADR is packaged in a TSSOP-14 (Thin Shrink Small Outline Package) form factor.

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