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Product Detailed Parameters
- Description：BUS DRIVER, FCT SERIES
- Series：74FCT
- Mfr：Texas Instruments
- Package：Bulk
- Function：-
- Type：-
- Output Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
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- Input Capacitance：-
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Overview
The CY74FCT162823CTPAC is a high-speed CMOS bus driver from the FCT series, manufactured by Texas Instruments. It features two functional blocks, each handling nine bits of data with true output polarity. The device utilizes a 56-pin TSSOP package and operates within a supply voltage range of 4.5V to 5.5V. Key electrical parameters include a propagation delay of 12.5 ns and a load capacitance of 50 pF. It supports three-state outputs and functions across an industrial temperature range of -40°C to 85°C.
Feature Summary
- Provides dual nine-bit bus driving capability for efficient signal distribution in digital systems.
- Features three-state outputs to facilitate multi-driver bus architectures and system flexibility.
- Operates at high speeds with low propagation delay suitable for demanding logic applications.
Applications
- High-speed data bus interfacing in computer systems
- Signal buffering and distribution in communication equipment
- Memory module address and data line drivers
Procurement Notes
Verify the manufacturer designation carefully, as some sources list Cypress while others specify Texas Instruments due to corporate acquisitions. Confirm the exact suffix matches the required package and temperature grade. Ensure compliance with current RoHS standards and check for any obsolescence notices or lifecycle status updates before finalizing procurement plans.
Selection Notes
Select this component when requiring a 18-bit wide bus interface with high-speed performance. The FCT series offers compatibility with standard TTL logic levels while maintaining CMOS power advantages. Consider the 56-pin TSSOP footprint for PCB layout constraints. Evaluate the 50 pF load capacitance against downstream circuit requirements to ensure signal integrity.
Part Context
This part belongs to the widely adopted 74FCT logic family, known for balancing speed and power consumption. It serves as a bridge between older TTL-based designs and modern CMOS implementations. The specific model provides a compact solution for integrating large data buses without excessive pin count overhead compared to parallel single-bit drivers.
Replacement Considerations
Public confirmed substitute part numbers include IDT74FCT162823CTPAG8 and Renesas Electronics Corporation 74FCT162823CTPAG8. These alternatives offer equivalent functionality and pinout compatibility. Verify that the substitute maintains the same TSSOP-56 package and electrical specifications for direct replacement.
