SN74ABT640DW

Product Overview

• Category: Integrated Circuit
• Use: Bus Transceiver
• Characteristics: High-speed, Bi-directional, 8-bit transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Converts signals between two bidirectional bus systems
• 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
• Number of Pins: 20

Detailed Pin Configuration

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

Functional Features

• Bi-directional data flow between two bus systems
• Output enable control for tristate operation
• Direction control for selecting the direction of data transfer
• High-speed operation for efficient data transmission

Advantages and Disadvantages

Advantages: - High-speed performance - Bi-directional data transfer - Tristate output capability

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Temperature limitations (-40°C to +85°C)

Working Principles

The SN74ABT640DW is a bus transceiver that enables bidirectional data transfer between two bus systems. It operates by converting signals from one bus to another, allowing seamless communication between different components or subsystems. The direction control pin determines the direction of data flow, while the output enable pin enables or disables the output drivers. This IC ensures high-speed data transmission with minimal propagation delay.

Detailed Application Field Plans

1. Microprocessor Interfacing: The SN74ABT640DW can be used to interface microprocessors with external devices, such as memory modules or peripheral chips.
2. Data Communication Systems: It is suitable for use in data communication systems where bidirectional data transfer is required, such as UART (Universal Asynchronous Receiver-Transmitter) interfaces.
3. Industrial Automation: The IC can be utilized in industrial automation applications to connect various control units and sensors, enabling efficient data exchange.

Detailed and Complete Alternative Models

1. SN74ABT640DWR: Similar to SN74ABT640DW, but available in a different package (SOIC Wide).
2. SN74ABT640DBR: Similar functionality, but offered in SSOP (Shrink Small Outline Package) package.
3. SN74ABT640PW: Pin-compatible alternative with a TSSOP (Thin Shrink Small Outline Package) package.

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