The TC74AC573F(EL,F) is an octal D-type latch manufactured by Toshiba Semiconductor and Storage. It features three-state outputs and is part of the Advanced CMOS (AC) logic family, known for its high speed and low power consumption. This device is commonly used for temporary data storage and buffering in digital systems.

Applications

• Memory Interfacing: Used as an address latch to interface microprocessors with memory devices.
• Data Buffering: Provides temporary storage and buffering of data in digital circuits.
• I/O Port Expansion: Used to expand the number of available input/output ports in microcontroller systems.
• Microprocessor Systems: Implemented in microprocessor-based systems for data latching and buffering.
• Digital Logic Circuits: Integrated into various digital logic circuits for data storage and manipulation.

Features

• Octal D-Type Latch: Contains eight independent D-type latches in a single package.
• Three-State Outputs: Features three-state outputs, allowing the device to be disconnected from the bus.
• High-Speed Operation: Offers high-speed operation due to its advanced CMOS technology.
• Low Power Consumption: Consumes very little power, making it suitable for battery-powered applications.
• Wide Operating Voltage Range: Operates over a wide voltage range, typically from 2V to 6V.

Benefits

• Data Storage: Provides temporary storage for data in digital systems.
• Bus Isolation: Three-state outputs allow the device to be isolated from the bus, preventing loading effects.
• High Performance: High-speed operation ensures fast and efficient data processing.
• Energy Efficiency: Low power consumption extends battery life in portable devices.
• Versatile Application: Can be used in a variety of applications requiring data latching and buffering.

Additional Details

The TC74AC573F(EL,F) comes in a surface-mount package, typically a SOIC (Small Outline Integrated Circuit). The (EL,F) suffix usually indicates specific packaging options, such as tape and reel for automated assembly. The latch is controlled by an enable (LE) input. When LE is high, the Q outputs follow the D inputs. When LE is low, the Q outputs are latched and retain their previous state. The output enable (OE) input controls the three-state outputs. When OE is low, the outputs are enabled. When OE is high, the outputs are in a high-impedance state. Propagation delay times are typically in the nanosecond range, making this device suitable for high-speed applications. The operating temperature range is generally from -40°C to +85°C.