74LVC623AD,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage CMOS Octal Bus Transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between two bidirectional bus systems operating at different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.3V
• Low-Level Output Voltage: 0.3V
• Maximum Operating Frequency: 80 MHz
• Number of Channels: 8

Detailed Pin Configuration

1. OE (Output Enable)
2. A0 (Address Input)
3. A1 (Address Input)
4. A2 (Address Input)
5. DIR (Direction Control)
6. GND (Ground)
7. B0 (Bidirectional Data I/O)
8. B1 (Bidirectional Data I/O)
9. B2 (Bidirectional Data I/O)
10. B3 (Bidirectional Data I/O)
11. B4 (Bidirectional Data I/O)
12. B5 (Bidirectional Data I/O)
13. B6 (Bidirectional Data I/O)
14. B7 (Bidirectional Data I/O)
15. VCC (Supply Voltage)

Functional Features

• Bidirectional voltage level shifting
• Automatic direction control based on DIR pin
• 3-state outputs for bus isolation
• Schmitt-trigger action on all inputs
• Supports mixed-mode signal operation
• Low power consumption
• ESD protection

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation up to 80 MHz - Bidirectional data transfer simplifies system design - Schmitt-trigger inputs improve noise immunity - Low power consumption enhances energy efficiency

Disadvantages: - Limited number of channels (8) - May not be suitable for applications requiring a higher number of channels

Working Principles

The 74LVC623AD,112 is an octal bus transceiver that facilitates bidirectional data transfer between two bus systems operating at different voltage levels. It utilizes level shifting techniques to ensure compatibility between the input and output voltage levels. The direction of data flow is controlled by the DIR pin. When enabled, the device transfers data from the A-side to the B-side or vice versa. The 3-state outputs allow for bus isolation when necessary.

Detailed Application Field Plans

The 74LVC623AD,112 can be used in various applications where voltage level shifting and bidirectional data transfer are required. Some potential application fields include: 1. Microcontroller interfacing with peripherals operating at different voltage levels 2. Communication systems involving multiple buses with varying voltage requirements 3. Industrial automation and control systems 4. Data acquisition and processing systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC623A: Similar functionality, available in different package options
2. 74HC623: CMOS logic level shifter with similar characteristics
3. CD4504B: Hex non-inverting level shifter with additional features

Note: This list is not exhaustive, and there may be other alternative models available in the market.

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