Product Overview: NXP PC74HC373T

The NXP PC74HC373T is a high-speed CMOS logic octal D-type transparent latch integrated circuit. It is designed for use in applications that require the capture and retention of an 8-bit data word. The device is part of the 74HC family, which is recognized for its excellent operational speed and low power consumption, making it suitable for a wide range of digital applications.

This particular model, the PC74HC373T, comes in a surface-mount package, specifically a TSSOP20 (Thin Shrink Small Outline Package with 20 leads). The package is compact and ideal for space-constrained applications where board real estate is at a premium.

Key Features

• Logic Type: Octal D-type transparent latch
• Package Type: TSSOP20
• Operating Voltage: 2.0 to 6.0 V
• High-Speed Performance: Typical propagation delay times as low as 8 ns
• Low Power Consumption: Reduces the overall power requirements of the system
• Temperature Range: Suitable for industrial temperature ranges from -40°C to +125°C
• Latch-Up Performance: Meets or exceeds JEDEC standard JESD78, ensuring reliability under stress conditions

Functional Description

The PC74HC373T features eight D-type latches with three-state outputs. The device operates as a transparent latch when the Latch Enable (LE) input is high, allowing data at the inputs to pass through to the outputs. When LE is taken low, the latches store the information that was present at the D-inputs a setup time preceding the high-to-low transition of LE. The OE (Output Enable) input controls the outputs, allowing the latched data to be accessed when low and placing the outputs in a high-impedance state when high.

With its robust design and compatibility with TTL (Transistor-Transistor Logic) signal levels, the NXP PC74HC373T is a versatile component that can be used in a variety of digital circuits, including data storage, buffering, and data manipulation applications. Its low power consumption and high-speed operation make it an excellent choice for both battery-operated and high-performance systems.

Whether you're designing the latest consumer electronics, industrial control systems, or sophisticated telecommunications equipment, the NXP PC74HC373T offers the performance and reliability you need to ensure your product's success.