The 74HCT373DT is a high-speed Si-gate CMOS device from NXP Semiconductors, renowned for its robust performance and compatibility with TTL (Transistor-Transistor Logic) levels. This product is part of the 74HCT family, designed to operate at the same speed as 74LS TTL chips while maintaining the low power consumption characteristic of CMOS technology.

Key Features

• Logic Type: Octal D-type transparent latch
• Logic Family: HCT
• Output Capability: Bus driver
• IC Output Type: Tri-state, non-inverted
• Propagation Delay: Typically 18 ns
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOIC with 20 pins (74HCT373DT)

Product Description

The 74HCT373DT is equipped with eight D-type latches that feature 3-state outputs. The device captures the data present on its D-inputs when the latch enable (LE) input is HIGH, and retains this data when LE is LOW. The 8 outputs can be placed in either a HIGH or LOW state or can be put in a high-impedance state (off-state) to allow for bus-oriented applications.

One of the significant advantages of the 74HCT373DT is its direct interface with TTL levels. This feature makes it an ideal choice for mixed-technology environments where it is necessary to bridge between CMOS and TTL logic circuits. Moreover, the chip's balanced propagation delays and transition times provide reliable and predictable performance, which is critical in timing-sensitive applications.

Designed in a slim SOIC-20 package, the 74HCT373DT is suitable for surface mount technology (SMT), allowing for high-density PCB designs. Its wide operating temperature range ensures functionality across various environmental conditions, making it a versatile choice for industrial, automotive, and consumer electronics applications.

Applications

The 74HCT373DT is commonly used in:

• Buffer storage
• Data storage and retrieval
• Control systems
• Communication systems