CD74HCT40105E

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: High-Speed, CMOS Technology
• Package: 16-Pin DIP (Dual In-Line Package)
• Essence: Logic Level Translation between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 25 MHz
• Number of Channels: 4
• Logic Family: HCT

Detailed Pin Configuration

The CD74HCT40105E has a total of 16 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 (Input) - Channel A1 Input
3. B1 (Input) - Channel B1 Input
4. Y1 (Output) - Channel Y1 Output
5. GND (Ground) - Ground Reference
6. Y2 (Output) - Channel Y2 Output
7. B2 (Input) - Channel B2 Input
8. A2 (Input) - Channel A2 Input
9. VCC (Supply Voltage) - Positive Supply Voltage
10. Y3 (Output) - Channel Y3 Output
11. B3 (Input) - Channel B3 Input
12. A3 (Input) - Channel A3 Input
13. Y4 (Output) - Channel Y4 Output
14. B4 (Input) - Channel B4 Input
15. A4 (Input) - Channel A4 Input
16. VCC (Supply Voltage) - Positive Supply Voltage

Functional Features

• Logic Level Translation: The CD74HCT40105E is designed to translate logic levels between different voltage domains.
• High-Speed Operation: With a maximum operating frequency of 25 MHz, it can handle fast data transfer rates.
• CMOS Technology: Utilizes CMOS technology for low power consumption and high noise immunity.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transmission. - CMOS technology provides low power consumption and noise immunity.

Disadvantages: - Limited number of channels (4) may not be sufficient for complex applications requiring more inputs/outputs. - DIP package may not be suitable for space-constrained designs.

Working Principles

The CD74HCT40105E works by receiving input signals from one voltage domain and translating them to the corresponding output signals in another voltage domain. It utilizes a combination of CMOS technology and level-shifting circuitry to achieve this translation. The OE pin controls the output enable function, allowing the user to enable or disable the outputs as needed.

Detailed Application Field Plans

The CD74HCT40105E is commonly used in various applications where logic level translation is required. Some of the typical application fields include:

1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels.
2. Communication Systems: It facilitates signal translation between different communication protocols or standards.
3. Sensor Interfaces: It enables compatibility between sensors operating at different voltage levels and microcontrollers.
4. Industrial Automation: It finds applications in industrial control systems that require level shifting between different components.

Detailed and Complete Alternative Models

1. SN74HCT125: Quad Bus Buffer Gates with 3-State Outputs
2. CD74HC4050: Hex Non-Inverting High-to-Low Level Shifter
3. SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
4. CD74HCT244: Octal Buffer/Line Driver with 3-State Outputs

These alternative models offer similar functionality and can be considered as alternatives to the CD74HCT40105E based on specific requirements.

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