SN74ABT623NSRE4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: High-speed, Non-inverting, 8-bit Bus Transceiver
• Package: Surface Mount, 20-pin SSOP
• Essence: Transfers data between two bidirectional buses with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-level Input Voltage: 2V to VCC + 0.3V
• Low-level Input Voltage: -0.3V to 0.8V
• High-level Output Voltage: VCC - 0.5V
• Low-level Output Voltage: 0.5V
• Maximum Operating Frequency: 200MHz
• Propagation Delay Time: 3.7ns (Max)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

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

Functional Features

• Non-inverting bidirectional data transfer between two buses with different voltage levels
• High-speed operation with a maximum frequency of 200MHz
• Output enable control for disabling the outputs
• Data direction control inputs for selecting the direction of data transfer
• Supports 8-bit data bus

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Non-inverting nature preserves the integrity of the data - Flexible data direction control enables versatile usage

Disadvantages: - Limited to 8-bit data bus - Requires careful consideration of voltage level compatibility

Working Principles

The SN74ABT623NSRE4 is a logic level shifter that facilitates bidirectional data transfer between two buses operating at different voltage levels. It utilizes non-inverting buffers to ensure the integrity of the data during the transfer process. The direction of data flow is controlled by the data direction control inputs (A1-A8, B1-B8). When the output enable (OE) signal is low, the outputs are enabled, allowing data to be transferred between the buses. The device operates at high speeds, making it suitable for applications requiring fast data transfer.

Detailed Application Field Plans

The SN74ABT623NSRE4 can be used in various applications where there is a need to interface two buses operating at different voltage levels. Some potential application fields include:

1. Microcontroller Interfacing: The IC can be used to connect a microcontroller operating at one voltage level to peripheral devices operating at a different voltage level.
2. Communication Systems: It can be employed in communication systems to interface different modules or devices operating at different voltage levels.
3. Industrial Automation: The IC can facilitate data transfer between control systems and sensors/actuators operating at different voltage levels.
4. Automotive Electronics: It can be utilized in automotive electronics to interface various components with different voltage requirements, such as sensors, displays, and control units.

Detailed and Complete Alternative Models

1. SN74ABT623N: Similar to SN74ABT623NSRE4 but available in a 20-pin PDIP package.
2. SN74LVC245A: A similar bidirectional bus transceiver with 8-bit data width and lower power consumption.
3. SN74HCT125: A quad buffer/line driver with 3-state outputs, suitable for level shifting applications.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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