SN74HCS573RKSR

Overview

The SN74HCS573RKSR is an octal transparent D-type latch from Texas Instruments, featuring Schmitt-trigger inputs and three-state outputs. It operates within a supply voltage range of 2 V to 6 V and supports an extended ambient temperature range from –40°C to +125°C. The device utilizes a flow-through pinout architecture for simplified bus routing. It is housed in a 20-pin VQFN (RKS) package with dimensions of 4.50 mm by 2.50 mm.

Feature Summary

• Schmitt-trigger input architecture provides tolerance for slow or noisy signals
• Balanced CMOS three-state outputs allow high-impedance control
• Flow-through pinout design facilitates efficient bus routing

Applications

• Parallel data storage
• Digital bus buffer

Procurement Notes

Verify the RKS suffix corresponds to the 20-pin VQFN package configuration. Confirm that the specific revision level matches the required production documentation standards. Ensure compatibility with standard surface-mount assembly processes for the specified body size.

Selection Notes

Select this component when noise immunity is critical due to its Schmitt-trigger inputs. The wide operating voltage range suits diverse power environments. The flow-through layout is advantageous for dense PCB designs requiring straightforward signal path management.

Part Context

This part belongs to the SN74HCS series of HCMOS logic devices. It shares functional similarities with other octal latches but distinguishes itself through enhanced noise rejection capabilities provided by the Schmitt-trigger inputs and robust output drive characteristics across varying supply voltages.

Replacement Considerations

SN74HCS573DGS serves as a package alternative in VSSOP format.