SN74AS245DWRE4 - Texas Instruments Octal Bus Transceiver
The SN74AS245DWRE4 from Texas Instruments is a high-performance octal bus transceiver designed to provide bidirectional communication between data buses. This integrated circuit belongs to the 'AS' logic family, known for its advanced Schottky TTL technology, which ensures fast switching speeds and improved performance over standard TTL logic.
Key Features
- Logic Type: Octal Bus Transceiver
- Operating Voltage: 4.5V to 5.5V
- Logic Family: AS
- Output Current: ±24mA
- Propagation Delay Time: Typically 3ns
- Number of Channels: 8
- Directionality: Bidirectional
- Mounting Type: Surface Mount
- Package / Case: SOIC-20
- Operating Temperature: -40°C to 85°C
- RoHS: Compliant
This device features eight channels that can each act as an independent bidirectional transceiver. It allows for direct interfacing with the bus-structured systems and supports multiplexed data transmission for increased flexibility and efficiency. The SN74AS245DWRE4 provides both high drive and high-speed capabilities, making it a suitable choice for interfacing with memory, microprocessors, and other digital integrated circuits.
The transceiver operates within a supply voltage range of 4.5V to 5.5V, and its outputs can sink currents up to 24mA, providing good signal integrity. The propagation delay time is minimized, typically around 3ns, which is crucial for high-speed applications. Furthermore, the SN74AS245DWRE4 is designed for surface mount technology, housed in a SOIC-20 package, and is fully compliant with the RoHS directive, making it an environmentally friendly option for electronic designs.
With its robust operating temperature range from -40°C to 85°C, the SN74AS245DWRE4 ensures reliable performance across diverse environmental conditions. Whether used in computing systems, communication infrastructure, or other high-speed data processing applications, the SN74AS245DWRE4 by Texas Instruments stands out as a versatile and efficient solution for modern electronic designs.