SN74HCT652DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT652DWR is an octal bus transceiver and register featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V. The device integrates D-type flip-flops for data storage alongside the transceiver circuitry. It supports TTL input levels and provides independent control over A and B buses. The component is housed in a 24-pin SOIC package and functions across an industrial temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates octal bus transceivers with D-type flip-flops for simultaneous real-time transmission and data storage capabilities
• Features independent output enable controls (OEAB and OEBA) for managing data flow direction on separate buses
• Includes selection inputs (SAB and SBA) to switch between passing live data or accessing stored register data
• Provides high-current three-state outputs capable of driving multiple LSTTL loads

Buffers, Drivers, Receivers, Transceivers Applications

• Multiplexing real-time data transfer onto shared buses
• Storing data from internal registers onto external buses
• Managing bidirectional data flow between microprocessors and peripheral devices
• Implementing buffered memory interfaces requiring tri-state isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify that the specific order suffix matches the required packaging format, as standard designations may vary between tape-and-reel and tube configurations. Confirm the logic family designation corresponds to HCT specifications rather than other variants like ABT or FCT. Ensure the operating voltage requirements align with the 4.5 V to 5.5 V range specified for this component type.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designs require both bus buffering and data latching functionality within a single integrated circuit. It is suitable for systems needing independent control over two distinct eight-bit buses. Consider the propagation delay characteristics relative to system clock speeds. Verify that the power supply constraints fit within the standard 5 V logic family parameters.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HCT652 series of octal registered transceivers. It shares functional similarities with other bus interface devices but distinguishes itself through the integration of storage elements directly within the transceiver structure. The HCT logic family ensures compatibility with standard TTL logic levels while offering improved noise margins compared to older LS series components.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers include SN54HCT652 for military-grade temperature ranges. Other compatible options within the same family may include variations with different package styles such as SOIC-24 alternatives, provided pinouts remain identical.