MC74LVX573DWR2

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The MC74LVX573DWR2 is a low-voltage, octal 3-state transparent latch. It is a part of Texas Instrument’s Advanced Access Logic™ (AAL) family. AAL reduces propagation delays and is suitable for applications requiring high performance.

Application field

The MC74LVX573DWR2 latch is mainly used for industrial applications and automotive control. Other application fields include:

• Process control
• Intelligent instrumentation
• Radar systems
• Discrete signals – On/Off valves, motors, and solenoids
• Automotive or high-speed powertrain control
• Avionics and aerospace
• Consumer devices

Working principle

The MC74LVX573DWR2 latch utilizes the AAL technology, which was developed by Texas Instruments. The AAL logic components are designed to provide fast switching times and low power consumption. The latch has eight independent channels that each have a data input (D), strobe (B), and output enable (O). The channels are designed in such a way that data applied to the D input is maintained as long as it is strobed (latched) into the data output (Q). The latch responds to a rising edge of the B input and it is enabled when the O input is low. The MC74LVX573DWR2 latch has a propagation delay of 12ns, and a high output drive of 24mA. The operating temperature range is from -55°C to +125°C.

Conclusion

The MC74LVX573DWR2 is a low-voltage 3-state octal latch used in several applications. It is a part of TI’s Advanced Access Logic™ family and therefore provides fast switching times and low power consumption. It has eight independent channels, each with a data input, strobe input, and output enable. The latch is enabled by a rising edge of the B input, and the operating temperature range is from -55°C to +125°C.

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