Texas Instruments

SN74ALS574BDW  

Flip Flops

SN74ALS574BDW Description

The SN74ALS574BDW is a high-performance 8-bit D-type flip-flop from Texas Instruments' 74ALS series, designed for edge-triggered data storage applications. Housed in a 20-pin SOIC package, this surface-mount IC operates at a clock frequency of 35 MHz with a positive-edge trigger, ensuring reliable synchronization in digital systems. It supports a wide supply voltage range (4.5V to 5.5V) and delivers a low propagation delay of 14ns at 5V with a 50pF load, making it suitable for high-speed logic applications. The device features 3-state outputs, allowing for efficient bus interfacing, and is RoHS3 compliant with REACH unaffected status, meeting modern environmental standards.

SN74ALS574BDW Features

• High-Speed Operation: 35 MHz clock frequency with 14ns propagation delay for time-critical applications.
• Robust Output Drive: Capable of sourcing/sinking 2.6mA (High) and 24mA (Low), supporting moderate load requirements.
• Low Power Consumption: Quiescent current of 18 mA ensures energy efficiency.
• Wide Operating Temperature Range: 0°C to 70°C (TA), suitable for industrial and commercial environments.
• 3-State Outputs: Enables bus-oriented architectures without contention.
• Last Time Buy Status: Ideal for legacy system maintenance or final production runs.
• Moisture Sensitivity Level (MSL) 1: Unlimited shelf life, simplifying storage and handling.

SN74ALS574BDW Applications

• Data Storage & Buffering: Used in microprocessor systems for temporary data retention.
• Bus Interface Circuits: Facilitates bidirectional data transfer in multiplexed bus systems.
• High-Speed Logic Systems: Ideal for clocked registers, pipeline stages, and state machines requiring edge-triggered operation.
• Industrial Control Systems: Reliable performance in PLCs, motor controllers, and automation equipment.
• Legacy Electronics Support: Maintains compatibility with older 5V logic designs.

Conclusion of SN74ALS574BDW

The SN74ALS574BDW is a versatile, high-speed flip-flop offering low latency, strong drive capability, and 3-state outputs, making it a robust choice for data storage and bus interfacing. Its wide voltage tolerance, industrial temperature range, and compliance with environmental regulations ensure reliability in diverse applications. While classified as Last Time Buy, it remains a dependable solution for existing designs requiring 5V logic compatibility. Engineers seeking a balance of speed, power efficiency, and legacy support will find this IC well-suited for their needs.

SN74ALS574BDW Documents

Download datasheets and manufacturer documentation for SN74ALS574BDW

Datasheets :

SN54/74ALS574B/575A, SN54/74AS574-75      

PCN Obsolescence/ EOL :

Mult Dev EOL 30/Aug/2023      

PCN Design/Specification :

Material Set 21/Jun/2016