74VHCT245D,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-Speed CMOS Logic, 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Voltage-Level Translation and Signal Transmission
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 125 MHz
• Number of Channels: 8
• Output Type: 3-State Non-Inverting
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. OE (Output Enable) - Output Enable Control
2. A1 - Data Input/Output Channel 1
3. B1 - Data Input/Output Channel 1
4. GND - Ground
5. B2 - Data Input/Output Channel 2
6. A2 - Data Input/Output Channel 2
7. B3 - Data Input/Output Channel 3
8. A3 - Data Input/Output Channel 3
9. VCC - Power Supply
10. B4 - Data Input/Output Channel 4
11. A4 - Data Input/Output Channel 4
12. B5 - Data Input/Output Channel 5
13. A5 - Data Input/Output Channel 5
14. B6 - Data Input/Output Channel 6
15. A6 - Data Input/Output Channel 6
16. B7 - Data Input/Output Channel 7
17. A7 - Data Input/Output Channel 7
18. B8 - Data Input/Output Channel 8
19. A8 - Data Input/Output Channel 8

Functional Features

• Bidirectional Voltage-Level Translation
• 3-State Outputs for Bus Sharing
• High-Speed Operation
• Low Power Consumption
• ESD Protection on all Inputs and Outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transmission. - 3-state outputs facilitate bus sharing between multiple devices.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications. - Operating temperature range (-40°C to +85°C) may not be suitable for extreme environments.

Working Principles

The 74VHCT245D,118 is a bidirectional level shifter and bus transceiver IC. It translates signals between two voltage domains, allowing communication between devices operating at different voltage levels. The device uses high-speed CMOS logic and features 3-state outputs, enabling multiple devices to share a common bus. It operates within a wide supply voltage range and provides ESD protection on all inputs and outputs.

Detailed Application Field Plans

The 74VHCT245D,118 can be used in various applications, including:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: It enables signal translation and transmission in sensor networks with varying voltage requirements.
3. Industrial Automation: It can be utilized in industrial automation systems for interfacing different control modules.
4. Communication Systems: It assists in voltage-level translation and signal transmission in communication systems.

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality are:

1. SN74LV245A: Low-Voltage Octal Bus Transceiver
2. CD4508B: CMOS Dual 4-Bit Latch/Shift Register
3. 74HC245: Octal Bus Transceiver with 3-State Outputs

These alternative models offer comparable features and can be considered based on specific application requirements.

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