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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20QSOP
- Series：74FCT
- Mfr：IDT, Integrated Device Technology Inc
- 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：6.5ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：15mA, 48mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：1 mA
- 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 IDT 74FCT574ATQG8 is an octal edge-triggered D-type flip-flop with 3-state outputs, belonging to the FCT logic series. It features a QSOP-20 package and operates within a supply voltage range of 4.75V to 5.25V. The device supports a maximum propagation delay of 6.2ns at 50pF load capacitance. It provides high drive capability with output currents of 32mA (high) and 64mA (low). The component functions across a temperature range of -40°C to +85°C and includes TTL-compatible inputs.
Feature Summary
- Octal edge-triggered D-type flip-flop architecture with 3-state outputs
- High drive capability supporting 32mA source and 64mA sink currents
- TTL-compatible input levels for direct interface with standard logic
Applications
- Parallel data storage in digital systems
- Bus holding applications requiring 3-state isolation
- Clock synchronization circuits using edge-triggered latching
Procurement Notes
Verify current availability status as this component may be subject to end-of-life notices or production discontinuation. Confirm package type matches QSOP-20 specifications. Ensure supply voltage requirements align with 4.75V to 5.25V operational limits. Check for RoHS compliance documentation if required for specific manufacturing standards.
Selection Notes
Select this component when octal parallel data storage with tri-state output control is required. Consider the 6.2ns propagation delay for timing constraints. Verify compatibility with 5V logic families due to TTL input thresholds. Ensure thermal operating range covers -40°C to +85°C for the intended environment.
Part Context
This part belongs to the 74FCT574T series of octal D-type flip-flops. It is functionally equivalent to other FCT series devices offering similar pinouts and electrical characteristics. The QSOP-20 package provides surface-mount convenience for compact circuit designs.
Replacement Considerations
IDT74FCT574ATQG8 is listed as an alias for this component. CY74FCT574ATQCT from Texas Instruments offers similar functionality in SSOP-20 packaging.
