SN74LS628N

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SN74LS628N

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IC OSC VCO 20MHZ 14-DIP

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規格

屬性 價值
Supplier Texas Instruments
Package Tube
Series 74LS
ProductStatus Active
Type VCO
Frequency 20MHz
Voltage-Supply 4.75V ~ 5.25V
Current-Supply 20 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-DIP (0.300, 7.62mm)
SupplierDevicePackage 14-PDIP

概述

Description

The SN74LS628N is an integrated circuit designed for use as a voltage-controlled oscillator (VCO) in electronic applications. It is part of the 74LS series, known for its low-power Schottky TTL technology. The SN74LS628N features a wide frequency range, making it suitable for applications like frequency modulation and tone generation.
Key specifications of the SN74LS628N include its ability to operate with a supply voltage typically around 5V, and it can produce frequency outputs in the range from a few kHz to several MHz. The oscillator frequency can be adjusted by varying an external control voltage, making it versatile for different applications.
The device typically includes additional features like a frequency range selector, allowing for fine-tuning of the output frequency, and often comes in a dual in-line package (DIP) for easy integration onto circuit boards. Its reliability and ease of use make the SN74LS628N a popular choice in digital electronics where precise frequency control is required.

Equivalent

The SN74LS628N is a voltage-controlled oscillator (VCO) with a wide range of frequency applications. Some equivalent or similar products that you can consider are the CD4046, which is also a VCO and phase-locked loop (PLL), and the 74HC4046, offering similar functionality in a high-speed CMOS technology. Additionally, the MC1648 and the NE566 are other alternatives that might be used depending on the specific requirements of your application. Always check the datasheets to ensure compatibility.

Features

The SN74LS628N is a voltage-controlled oscillator (VCO) with several key features. It operates across a wide frequency range, typically from 1 Hz to 20 MHz, allowing for versatile applications. The device includes both TTL and CMOS compatibility, ensuring compatibility with a variety of digital circuits. It features low power consumption, which is advantageous for battery-powered or energy-sensitive applications. The SN74LS628N offers a linear frequency control voltage characteristic, making it ideal for frequency modulation and signal processing tasks. It includes a stable temperature-compensated oscillator circuit, which helps maintain consistent performance across varying environmental conditions. Additionally, the device provides a complementary output, which can be used for differential signal processing. The SN74LS628N is commonly used in frequency synthesis, phase-locked loops, and other applications requiring precise frequency control. Its compact DIP package allows for easy integration into existing circuit designs.

Pinout

The SN74LS628N is a monolithic voltage-controlled oscillator (VCO) that typically comes in a 16-pin dual in-line package (DIP). Its primary function is to generate an output frequency that is linearly proportional to an input control voltage. This makes it useful in applications such as frequency modulation and phase-locked loops.
The pin configuration generally includes:
- Power supply and ground pins.
- Control voltage input pin for adjusting the output frequency.
- Frequency range selection pins.
- Output pin(s) for the generated frequency signal.
- Additional pins for optional features like frequency modulation and fine-tuning.
For specific pin numbers and detailed functions, consulting the official datasheet from Texas Instruments or the relevant manufacturer is recommended, as pin assignments and functionality can vary slightly depending on the exact version of the chip.

Manufacturer

The SN74LS628N is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide array of semiconductor devices, including integrated circuits (ICs) that are used in electronics across various industries. The company focuses on analog chips and embedded processors and serves markets such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Established in 1930 and headquartered in Dallas, Texas, TI is one of the world's largest and most well-known semiconductor companies, recognized for its innovation in the field of electronics and its contributions to technological advancements.

Application

The SN74LS628N is a voltage-controlled oscillator (VCO) used in various applications. It is commonly employed in signal generation for frequency synthesis, modulation, and phase-locked loop (PLL) systems. This component can be utilized in communication systems for generating clock signals and carriers. Additionally, it finds application in test and measurement equipment, where precise frequency generation is necessary. The SN74LS628N can also be used in musical synthesizers for tone generation, as well as in various digital circuits requiring frequency control and signal processing capabilities. Its versatility and reliability make it suitable for a wide range of electronic applications.

Package

The SN74LS628N is typically available in a Dual In-line Package (DIP), specifically a 16-pin DIP. It's a type of package commonly used for through-hole mounting on printed circuit boards.

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