CD74HC4049E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-Speed, CMOS Technology
• Package: DIP (Dual In-line Package)
• Essence: Hex Inverting Buffer/Converter
• Packaging/Quantity: Tube, 25 pieces per tube

Specifications

The CD74HC4049E is a high-speed CMOS logic level shifter integrated circuit. It consists of six inverting buffer/converter gates that accept TTL input levels and provide CMOS output levels. The device is designed to convert TTL voltage levels to CMOS voltage levels or vice versa.

The CD74HC4049E operates over a wide voltage range from 2V to 6V, making it suitable for various applications. It has a maximum propagation delay of 15 ns and a typical power dissipation of 4mW.

Pin Configuration

The CD74HC4049E has a 16-pin dual in-line package (DIP). The pin configuration is as follows:

+---\/---+ A1 -|1 16|- VCC A2 -|2 15|- Y1 A3 -|3 14|- Y2 A4 -|4 13|- Y3 A5 -|5 12|- Y4 A6 -|6 11|- Y5 GND -|7 10|- Y6 B1 -|8 9|- Y7 +--------+

Functional Features

• Converts TTL voltage levels to CMOS voltage levels and vice versa.
• Provides high-speed logic level shifting.
• Operates over a wide voltage range.
• Low power consumption.
• High noise immunity.

Advantages and Disadvantages

Advantages: - High-speed operation. - Wide voltage range compatibility. - Low power consumption. - Reliable logic level shifting. - Compact DIP package for easy integration.

Disadvantages: - Limited number of buffer/converter gates (6 in total). - Not suitable for applications requiring a large number of logic level conversions.

Working Principles

The CD74HC4049E utilizes CMOS technology to perform logic level shifting. It accepts TTL input levels and converts them to CMOS output levels or vice versa. The device consists of six inverting buffer/converter gates that provide reliable and high-speed logic level conversion.

Detailed Application Field Plans

The CD74HC4049E is commonly used in various applications, including:

1. Microcontroller interfacing with different logic families.
2. Level shifting between TTL and CMOS devices.
3. Signal conditioning and voltage level translation in digital circuits.
4. Communication systems involving mixed logic levels.
5. Industrial automation and control systems.

Detailed and Complete Alternative Models

1. CD74HCT4049E: Similar to CD74HC4049E but operates at a wider temperature range.
2. CD74AC4049E: Provides faster switching speeds compared to CD74HC4049E.
3. CD74ACT4049E: Offers improved noise immunity and higher speed than CD74HC4049E.

These alternative models offer similar functionality to the CD74HC4049E but may have different characteristics or specifications depending on the specific requirements of the application.

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