SN74ABT623DWR

Product Overview

• Category: Integrated Circuit
• Use: Data Bus Transceiver
• Characteristics: High-speed, Bi-directional, 8-bit, Tri-state
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data bidirectionally between two 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
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.7ns (Max)
• Output Current: ±24mA
• Input Capacitance: 4pF
• Output Capacitance: 6pF

Detailed Pin Configuration

The SN74ABT623DWR has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) - Active Low Output Enable
2. DIR (Direction Control) - Controls the direction of data transfer
3. A1-A8 (Data Bus A) - Inputs/Outputs for Bus A
4. GND (Ground) - Ground reference
5. B1-B8 (Data Bus B) - Inputs/Outputs for Bus B
6. VCC (Supply Voltage) - Positive supply voltage

Functional Features

• Bidirectional Data Transfer: Allows data to be transferred in both directions between Bus A and Bus B.
• Tri-state Outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share the same bus without interference.
• Output Enable Control: The OE pin controls the output enable function, enabling or disabling the data outputs.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Bi-directional communication - Tri-state outputs for bus sharing - Wide operating temperature range

Disadvantages: - Limited supply voltage range (4.5V to 5.5V) - Relatively small input/output capacitance

Working Principles

The SN74ABT623DWR is designed to facilitate bidirectional data transfer between two buses with different voltage levels. The DIR pin controls the direction of data flow, allowing data to be transferred from Bus A to Bus B or vice versa. The OE pin enables or disables the output function, controlling whether the data outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74ABT623DWR is commonly used in various applications that require bidirectional data transfer, such as:

1. Microprocessor Systems: Facilitates communication between different buses operating at different voltage levels.
2. Data Communication Networks: Enables data exchange between devices with varying voltage requirements.
3. Industrial Control Systems: Allows for seamless data transfer between control units and peripheral devices.
4. Test and Measurement Equipment: Provides a reliable interface for data acquisition and analysis.

Detailed and Complete Alternative Models

1. SN74ABT623ADW: Similar specifications and pin configuration, but available in a different package (SOIC Wide).
2. SN74ABT623APW: Similar specifications and pin configuration, but available in a different package (TSSOP).

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of alternatives.

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