SN74ALS533ADWR

Overview

The SN74ALS533ADWR is an octal D-type transparent latch with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to 70°C. The device features inverting outputs with a propagation delay from D to Q ranging from 4 ns to 19 ns. High-level output current is -2.6 mA, while low-level output current reaches 24 mA. Power consumption varies between 17 mA and 28 mA depending on the output state.

Feature Summary

• Features eight latches in a single package for parallel data access
• Provides 3-state bus-driving inverting outputs suitable for capacitive loads
• Includes buffered control inputs to reduce DC loading on data lines

Applications

• Buffer registers
• I/O ports
• Bidirectional bus drivers
• Working registers

Procurement Notes

Verify the specific ordering suffix 'DW' corresponds to the plastic small-outline package configuration required for your design. Confirm that the SN74ALS533A variant meets the electrical specifications for your application environment. Ensure compatibility with standard SMD/SMT assembly processes when integrating this component into your printed circuit board layout.

Selection Notes

Select this component when designing systems requiring octal data storage with high-impedance bus isolation. The ALS logic family offers a balance of speed and power consumption suitable for general-purpose digital applications. Consider the inverting output polarity and 3-state capability when interfacing with microprocessors or memory buses.

Part Context

This part belongs to the SN74ALS533A series of octal D-type transparent latches. It is functionally equivalent to the SN74ALS373A but provides inverted outputs. The device is characterized for operation from 0°C to 70°C and is available in plastic small-outline packages designed for surface-mount technology applications.

Replacement Considerations

The SN74ALS373A is functionally equivalent except for non-inverted outputs. The SN74AS533A offers faster switching characteristics within the same package and pinout configuration.