The QS74FCT2245TSO is an octal transceiver with tristate outputs manufactured by QSI (Quality Semiconductor, Inc.). It is designed for high-speed data transmission and buffering applications.

Applications

• Memory interface: Used as a bidirectional buffer between memory and other system components.
• Data bus isolation: Provides isolation between different sections of a data bus.
• Microprocessor systems: Employed as a buffer to increase drive capability of microprocessor I/O lines.
• Peripheral interface: Used in interfacing peripherals to a system bus.
• High-speed data transmission: Suitable for applications requiring high-speed data transfer.

Features

• Bidirectional transceiver: Allows data transmission in both directions.
• Tristate outputs: Provides tristate outputs for bus isolation and multiplexing.
• High-speed operation: Offers a typical propagation delay of 4.5 ns.
• TTL compatible inputs: Inputs are compatible with TTL logic levels.
• Low ground bounce: Minimizes ground bounce for improved signal integrity.
• SOIC package: Available in a SOIC (Small Outline Integrated Circuit) package for surface mount assembly.

Benefits

• Improved system performance: High-speed operation enhances overall system speed.
• Increased bus drive capability: Buffers increase the drive capability of I/O lines.
• Reduced signal loading: Tristate outputs minimize signal loading on the bus.
• Simplified system design: TTL compatibility simplifies interfacing with other digital components.
• Improved signal integrity: Low ground bounce minimizes noise and improves signal quality.

Technical Specifications

The QS74FCT2245TSO operates with a supply voltage of 5V ± 10%. The operating temperature range is typically from -40°C to +85°C. It features a propagation delay of 4.5 ns (typical), input clamp current of -50mA, and output current of 48mA. The device is available in a SOIC package.