SN74ABT623PW

Product Overview

• Category: Integrated Circuit
• Use: Bus Transceiver
• Characteristics: High-speed, Bi-directional, 8-bit transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Converts signals between two bidirectional buses
• 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: 3.5ns (Max)
• Output Current: ±24mA

Detailed Pin Configuration

The SN74ABT623PW has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bi-directional data transfer between two buses
• High-speed operation for efficient data transmission
• Output enable control for disabling the outputs when not required
• Direction control input to determine the data flow direction

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Bi-directional functionality eliminates the need for separate transceivers - Output enable control provides flexibility in managing output signals

Disadvantages: - Limited voltage range of 4.5V to 5.5V may restrict compatibility with certain systems - Propagation delay time of 3.5ns may introduce slight delays in data transmission

Working Principles

The SN74ABT623PW is a bus transceiver that enables bidirectional data transfer between two buses. It operates by converting signals from one bus to another, allowing data to flow in both directions. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a logic high, data flows from Bus A to Bus B, and when it is set to a logic low, data flows from Bus B to Bus A. The OE pin can be used to disable the outputs when not required.

Detailed Application Field Plans

The SN74ABT623PW is commonly used in various applications where bidirectional data transfer between buses is required. Some of the detailed application field plans include:

1. Microprocessor Systems: The transceiver facilitates communication between the microprocessor and external devices, such as memory modules or peripheral components.
2. Data Communication Networks: It enables data exchange between different network nodes, ensuring smooth and efficient communication.
3. Industrial Automation: The transceiver plays a vital role in connecting various control systems and devices, allowing for seamless data transfer.
4. Automotive Electronics: It is used in automotive applications to enable communication between different electronic modules within the vehicle.

Detailed and Complete Alternative Models

1. SN74ABT623A: Similar to SN74ABT623PW, but available in SOIC (Small Outline Integrated Circuit) package.
2. SN74ABT623D: Similar to SN74ABT623PW, but available in SSOP (Shrink Small Outline Package) package.
3. SN74ABT623N: Similar to SN74ABT623PW, but available in PDIP (Plastic Dual In-Line Package) package.

These alternative models offer similar functionality and characteristics as SN74ABT623PW but differ in their package options, providing flexibility based on specific application requirements.

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