The SN74AS648DWRE4 from Texas Instruments is a high-performance, octal bus transceiver and register designed for asynchronous communication between data buses. The device allows data transmission from the A bus to the B bus and from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated.
Key Features:
- Bi-Directional Interface: With the SN74AS648DWRE4, you can seamlessly transfer data in both directions, ensuring flexibility in bus management.
- High-Speed Operation: This device is part of the Texas Instruments 'AS' series, which is known for its high-speed performance, making it suitable for demanding applications.
- True Logic: The transceiver provides true data outputs from both the A and B ports, which helps in maintaining signal integrity.
- Wide Operating Voltage Range: It operates at a wide range of voltages, typically from 4.5V to 5.5V, providing compatibility with standard logic levels and power supplies.
- Low Power Consumption: Designed with power efficiency in mind, the SN74AS648DWRE4 minimizes power consumption, making it ideal for power-sensitive applications.
- Edge-Rate Control Circuitry: The device includes edge-rate control circuitry that significantly reduces noise generation on the data lines.
Applications:
The versatility of the SN74AS648DWRE4 makes it a perfect choice for a variety of applications, including:
- Data communication systems
- Computer systems
- Control systems
- Networking equipment
Product Specifications:
| Parameter |
Value |
| Package Type |
SOIC |
| Pin Count |
24 |
| Operating Temperature Range |
-40°C to 85°C |
| Logic Family |
AS |
| Mounting Type |
Surface Mount |
The SN74AS648DWRE4 is a robust, reliable solution for high-speed data transfer and is available in a 24-pin SOIC package. It is designed for easy integration into your system with a surface mount configuration, ensuring a compact footprint on your PCB.