CD74HC123PWR

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CD74HC123PWR

+Nomenclature

IC MULTIVIBRATOR 25NS 16TSSOP

  • FabricantTexas Instruments

  • Pièce fabricant #CD74HC123PWR

  • Package TSSOP (PW)-16

  • En stock7086

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Monostable
IndependentCircuits 2
SchmittTriggerInput No
PropagationDelay 25 ns
Current-OutputHighLow 5.2mA, 5.2mA
Voltage-Supply 2 V ~ 6 V
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width)

Présentation

Description

The CD74HC123PWR is a high-speed CMOS dual monostable multivibrator, part of the 74HC family, designed for pulse generation applications. It features retriggerable and resettable capabilities, making it versatile for various timing functions. Operating at a voltage range of 2V to 6V, it is suitable for both TTL and CMOS logic levels. The device offers low power consumption and fast switching speeds, with propagation delays significantly shorter than older TTL-based monostables.
Each multivibrator in the CD74HC123PWR can be independently controlled, with external resistors and capacitors setting the pulse width. It includes input clamping diodes, allowing for simple interfacing to TTL logic levels, and Schmitt-trigger action on the inputs enhances noise immunity, ensuring reliable operation in noisy environments.
The device is available in a TSSOP package (PWR suffix), making it compact and suitable for applications where space is a concern. Its wide range of applications includes pulse stretching, delay timing, pulse generation, and timing applications in various electronic circuits.

Equivalent

The CD74HC123PWR is a high-speed CMOS dual monostable multivibrator. Equivalent products include:
1. 74HC123 by NXP
2. SN74HC123 by Texas Instruments
3. MC74HC123 by ON Semiconductor
4. HD74HC123 by Renesas Electronics
These equivalents generally offer similar functionality, pin configuration, and operating conditions, but it is advised to check the specific datasheets for precise compatibility in your application.

Features

The CD74HC123PWR is a high-speed monostable multivibrator IC, which features dual retriggerable and resettable monostable multivibrators. Key features include a wide supply voltage range of 2V to 6V, compatibility with standard CMOS and TTL logic levels, and a propagation delay of about 12 ns. The device supports retriggerable operation, allowing for pulse width modulation, and is equipped with independent reset inputs for each multivibrator. It offers a wide range of pulse widths with variable resistor-capacitor combinations and exhibits low power consumption, making it suitable for battery-powered applications. The IC is commonly used in pulse generation, timing delay, and oscillator applications. It is available in a compact TSSOP-16 package, ideal for space-constrained designs.

Pinout

The CD74HC123PWR is a dual retriggerable monostable multivibrator IC from Texas Instruments. It features a 16-pin package and provides two independent multivibrators within a single IC. The IC is used to generate precise pulse widths, delay timing, and other timing applications.
Here’s a concise breakdown of its pin functions:
1. Pin 1 & 16: VCC - Power supply voltage.
2. Pin 8: GND - Ground connection.
3. Pins 2, 14: A1, A2 - Input pins for the first and second multivibrators.
4. Pins 3, 13: B1, B2 - Another input for the first and second multivibrators.
5. Pins 4, 12: CLR1, CLR2 - Clear inputs for the two multivibrators.
6. Pins 5, 11: Q1, Q2 - Output pins for the first and second multivibrators.
7. Pins 6, 10: Q̅1, Q̅2 - Complementary outputs for the two multivibrators.
8. Pins 7, 9: RC1, RC2 - External resistor-capacitor connections to set the timing interval.
The IC is commonly used in applications requiring pulse generation, timing delay, and waveform shaping.

Manufacturer

The CD74HC123PWR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is well known for its role in developing chips for a wide array of applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is one of the largest semiconductor companies in the world and has a reputation for innovation and quality in the technology sector.

Application

The CD74HC123PWR is a monostable multivibrator commonly used in applications requiring precise timing control. Its primary uses include pulse generation, time delay circuits, and waveform shaping. It is suitable for applications in consumer electronics, automotive systems, industrial control, and communication equipment. The device is often employed in signal conditioning tasks, such as debouncing mechanical switches, generating clock pulses for digital systems, or creating time delays in the sequence of events. Its versatility and reliability make it an excellent choice for use in timing applications within various electronic circuits.

Package

The CD74HC123PWR is a dual monostable multivibrator IC from Texas Instruments. It is packaged in a TSSOP-16 (Thin Shrink Small Outline Package) type, which is a small, surface-mount package designed for high-density applications.

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