74FCT245ZATSO

Buffers, Drivers, Receivers, Transceivers Overview

The IDT74FCT245ZATSO is an octal bus transceiver from the FCT logic series, manufactured by Integrated Device Technology. It features a single functional block with eight bidirectional data channels and true output polarity. The device utilizes a 20-pin SSOP surface-mount package. It operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical parameters include a maximum propagation delay of 4.6 ns at 5 V with a 50 pF load, a low-level output current of 64 mA, and a high-level output current of -32 mA. The component supports TTL input and output levels and functions across an industrial temperature range of -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides bidirectional data transmission across eight independent channels
• Features three-state outputs for effective bus line isolation
• Supports TTL-compatible input and output signal levels

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus architectures requiring octal width
• Memory mapping systems utilizing bidirectional data paths
• General-purpose digital logic interfacing applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific manufacturer source, as IDT assets are managed by Renesas Electronics. Confirm the package type matches the SSOP requirement and check for RoHS compliance status. Ensure the operating voltage range aligns with your system's 5 V power supply specifications before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal-width bidirectional interface is required with TTL compatibility. The FCT technology offers faster switching speeds compared to standard CMOS alternatives. Verify that the 20-pin SSOP footprint fits the PCB layout constraints and that the thermal characteristics meet the operational environment requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the widely adopted 74FCT family of high-speed CMOS logic devices. The '245' designation specifically indicates an octal bus transceiver with direction control. This series is designed to replace slower legacy logic families in high-performance computing and communication systems where speed and drive capability are critical.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the CY74FCT245TSOC from Texas Instruments and the IDT74FCT245AE. Verify pinout compatibility and ensure the replacement device meets the same voltage and temperature specifications.