CY74FCT16543ETPAC

Overview

The CY74FCT16543ETPAC is a registered bus transceiver from the FCT logic series, manufactured by Cypress Semiconductor Corp. It features two independent 8-bit circuits within a single package, providing a total of 16 channels for data transfer. The device utilizes a 56-pin TSSOP surface-mount package and operates with non-inverting true outputs. It supports 3-state output characteristics and accepts TTL input levels while delivering TTL-compatible output levels. The component is designed for operation within a supply voltage range of 4.5 V to 5.5 V and functions reliably across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Provides latched data storage capability through integrated registered architecture
• Enables bidirectional data flow control via independent direction control
• Offers high drive strength suitable for demanding bus loading conditions

Applications

• High-speed parallel data bus interfacing in embedded systems
• Memory buffer applications requiring data latching
• Industrial control systems operating in wide temperature environments

Procurement Notes

Verify the specific suffix ET against official Cypress documentation to confirm performance grade and packaging details. Confirm current availability status as distribution channels may list this component as obsolete or limited stock. Ensure compatibility with existing PCB footprints for the 56-TSSOP package before procurement.

Selection Notes

Select this component when a registered transceiver with latch functionality is required for 16-bit data paths. Compare propagation delay specifications against system timing requirements. Verify that the 56-pin TSSOP package dimensions fit the mechanical constraints of the target design.

Part Context

This part belongs to the CY74FCT family of fast CMOS logic devices. Cypress Semiconductor was acquired by Infineon Technologies, which now manages the product lifecycle. The FCT series is known for combining CMOS low power consumption with TTL-compatible speeds and interfaces.

FAQ

Is the CY74FCT16543ETPAC an inverting or non-inverting transceiver?

It is a non-inverting transceiver with true output polarity.

What is the maximum supply voltage for this device?

The maximum supply voltage is 5.5 V.