SN74LS651NS

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS651NS is an octal bus transceiver and register manufactured by Advanced Micro Devices. It provides eight-bit registered bidirectional data transfer between two buses. The device features separate direction and output enable controls, allowing flexible data flow management. It operates within a supply voltage range of 3 V to 3.6 V. The component supports synchronous operation with an access time of 12 ns and a data rate up to 50 MHz. It is housed in a standard DIP package and is classified as active.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver design for eight-bit data handling
• Registered architecture for stable data storage
• Bidirectional transfer capability with independent control signals

Buffers, Drivers, Receivers, Transceivers Applications

• Digital logic systems requiring registered bus interfacing
• Microprocessor-based memory interface circuits
• Data buffering applications in computer peripherals

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation carefully, as this part number appears in listings from multiple vendors including Texas Instruments and Xilinx due to industry licensing history. Confirm the specific suffix 'NS' indicates the correct package type and material composition. Ensure the source document explicitly identifies Advanced Micro Devices as the producer for your specific order requirements.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal registered transceiver is required for bidirectional data paths. It is suitable for systems needing latched data at the receiving end. Consider the 3 V to 3.6 V supply requirement and TTL-compatible inputs. Verify that the 12 ns access time meets the system timing constraints before finalizing the design choice.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74LS651 family of octal bus transceivers and registers. It is functionally equivalent to designs originally developed by Texas Instruments under license. The component serves as a bridge between different logic levels or buses, providing both transmission and registration functions in a single integrated circuit package.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The base part number 74LS651 is widely available from various manufacturers. Check for equivalents such as those from Texas Instruments or National Semiconductor. Ensure pin compatibility and electrical specifications match before substitution.