The QS74FCT373TSO is a high-speed, low-power octal transparent latch manufactured by QSI. It is part of the FCT (Fast CMOS Technology) family, designed for high-performance applications requiring minimal power consumption. This device features eight D-type transparent latches with a buffered output enable (OE) and latch enable (LE) input. When LE is high, data at the D inputs enters the latches. Data on the D inputs is transferred to the Q outputs when LE is high. When LE is low, the data that was present at the D inputs at the time the transition occurred is retained.

Applications:

• High-speed data storage
• Address buffering
• Clock enable circuits
• Bus driving applications
• General purpose storage registers

Features:

• Fast CMOS Technology (FCT): Provides high-speed performance with low power consumption.
• Octal Transparent Latch: Eight independent latches in a single package.
• Buffered Control Inputs: OE and LE inputs are buffered for improved noise immunity and drive capability.
• TTL-Compatible Inputs: Allows for easy interface with TTL logic levels.
• Output Enable (OE) Control: Permits independent control of the outputs, allowing for bus isolation.
• Low Ground Bounce: Designed to minimize ground bounce during switching.

Benefits:

• Improved System Performance: The high-speed operation of the FCT technology ensures minimal propagation delays, leading to improved system performance.
• Reduced Power Consumption: Low power consumption makes it suitable for battery-powered applications and systems where power efficiency is crucial.
• Enhanced System Reliability: Buffered inputs and low ground bounce reduce noise and improve overall system reliability.
• Simplified System Design: TTL-compatible inputs allow for easy integration with existing TTL logic.
• Flexibility in Data Handling: The octal configuration provides flexibility in handling multiple data lines simultaneously.

Technical Specifications:

The QS74FCT373TSO typically operates with a supply voltage of 5V. Propagation delays are typically in the nanosecond range, depending on the specific loading conditions. The operating temperature range is typically from -40°C to +85°C. The package is generally a Small Outline (SO) package, suitable for surface mount technology.