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Product Detailed Parameters
- Description：FAST OCTAL D REGISTER
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：5.2ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：15mA, 64mA
- Voltage - Supply：4.75V ~ 5.25V
- Current - Quiescent (Iq)：500 µA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-QSOP
- Package / Case：20-SSOP (0.154", 3.90mm Width)
- Input Capacitance：6 pF
- Grade：-
- Qualification：-
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Overview
The CD74FCT2374CTQM is a FAST Octal D Register manufactured by Harris Corporation, belonging to the FCT series. It features one functional element with eight bits per element, utilizing positive edge triggering for data latching. The component operates within a supply voltage range of 4.5V to 5.5V and is housed in a 20-SSOP package with a width of 3.90mm. It supports three-state outputs and is designed for registered bus transceiver applications requiring multiplexed transmission of registered or real-time data.
Feature Summary
- Octal D-type flip-flop architecture with positive edge triggering
- Three-state output capability for bus interfacing
- CMOS technology compatible with FCT series standards
Applications
- Registered bus transceiver systems
- Multiplexed transmission of registered data
- Real-time data storage and transfer interfaces
Procurement Notes
Verify the manufacturer origin, as Harris Corporation has undergone corporate changes. Confirm the specific package variant matches the 20-SSOP specification. Check for RoHS compliance status if required by project regulations. Ensure the part number suffix corresponds to the correct tape and reel or bulk packaging configuration intended for assembly.
Selection Notes
Select this component when an octal D-register with fast switching speeds is required. It is suitable for designs needing registered data paths with three-state control. Consider the 20-SSOP footprint constraints. Compare against other FCT series registers if different pinouts or trigger polarities are needed for the specific circuit topology.
Part Context
This device is part of the Harris FCT (Fast CMOS Technology) family, designed for high-speed digital logic applications. It serves as a fundamental building block for memory elements in bus structures. The registration function allows for synchronized data capture on clock edges, essential for reliable data transmission in complex digital systems.
Replacement Considerations
Direct substitutes may include other octal D-registers from the same FCT series with identical pinouts. Verify compatibility with existing board layouts and signal integrity requirements before substitution.
