SN74LV123ADBR

Product Overview

Category

SN74LV123ADBR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for various applications such as timing, pulse generation, and frequency division.

Characteristics

• Low-voltage operation: SN74LV123ADBR operates at a low voltage level, typically between 2V and 5.5V.
• Dual retriggerable monostable multivibrator: It is designed to generate accurate and stable time delays or pulses.
• Wide operating temperature range: This IC can operate reliably within a wide temperature range, typically from -40°C to 85°C.

Package

SN74LV123ADBR is available in a small-sized package known as SSOP (Shrink Small Outline Package). This package offers a compact form factor, making it suitable for space-constrained applications.

Essence

The essence of SN74LV123ADBR lies in its ability to provide precise timing control and pulse generation in digital circuits.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Input Voltage High Level (VIH): 0.7 x VCC
• Input Voltage Low Level (VIL): 0.3 x VCC
• Output Voltage High Level (VOH): 0.9 x VCC
• Output Voltage Low Level (VOL): 0.1 x VCC
• Maximum Clock Frequency: 50 MHz

Detailed Pin Configuration

SN74LV123ADBR has a total of 16 pins. The pin configuration is as follows:

1. CLR (Clear)
2. A (Input A)
3. B (Input B)
4. GND (Ground)
5. RCext (External Resistor/Capacitor)
6. Q (Output Q)
7. VCC (Supply Voltage)
8. Qn (Complementary Output Q)
9. B (Input B)
10. A (Input A)
11. CLR (Clear)
12. GND (Ground)
13. RCext (External Resistor/Capacitor)
14. Qn (Complementary Output Q)
15. VCC (Supply Voltage)
16. Q (Output Q)

Functional Features

• Retriggerable operation: SN74LV123ADBR can be retriggered during the timing cycle, allowing for extended pulse generation.
• Precise time delay control: The external resistor and capacitor connected to RCext pin enable accurate timing control.
• Complementary outputs: This IC provides both Q and Qn outputs, which are complementary to each other.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it compatible with a wide range of digital systems.
• Retriggerable feature allows for flexible pulse generation.
• Compact SSOP package saves space in circuit designs.
• Wide operating temperature range ensures reliability in various environments.

Disadvantages

• Limited maximum clock frequency may restrict its use in high-speed applications.
• Requires external resistor and capacitor for precise timing control.

Working Principles

SN74LV123ADBR operates as a dual retriggerable monostable multivibrator. It generates a stable output pulse width based on the values of the external resistor and capacitor connected to the RCext pin. The timing cycle can be retriggered by applying a trigger signal to the CLR pin during the timing period.

Detailed Application Field Plans

SN74LV123ADBR finds applications in various fields, including: 1. Timing circuits in microcontrollers and digital systems. 2. Pulse generation for communication protocols. 3. Frequency division in clock generation circuits. 4. Delay circuits in industrial automation systems. 5. Control signal generation in robotics.

Detailed and Complete Alternative Models

Some alternative models to SN74LV123ADBR include: - CD74HC123E - MC74VHC123ADR2G - 74LVC123APW,118 - HEF4538BP,652

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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