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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：5.2ns @ 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 74FCT574CTQG is an octal edge-triggered D-type flip-flop featuring three-state outputs, manufactured by Integrated Device Technology. It operates within a supply voltage range of 4.75 V to 5.25 V and supports a TTL input interface. The device provides high drive capability with output currents of -32 mA at high levels and 64 mA at low levels. Propagation delay is specified at 5.2 ns. It is housed in a 20-pin QSOP package and functions reliably across an industrial temperature range from -40°C to +85°C.
Feature Summary
- Octal configuration providing eight independent D-type flip-flops for parallel data storage
- Three-state outputs allowing direct connection to system buses without external buffers
- Edge-triggered operation synchronized by a single clock input for precise timing control
Applications
- Registering data on digital buses
- Temporary data storage in memory systems
- I/O port buffering applications
Procurement Notes
Verify the specific suffix 'QG' against official datasheets to confirm the exact package type and moisture sensitivity level. Confirm RoHS compliance status as manufacturing standards evolve. Ensure the supplier provides traceable documentation matching the Integrated Device Technology part number to avoid counterfeit components.
Selection Notes
Select this component when an octal register with bus-compatible three-state outputs is required. The FCT series offers a balance of speed and power consumption suitable for general-purpose logic applications. Verify that the system voltage aligns with the 5V nominal requirement and that the TTL input thresholds match the driving source.
Part Context
This component belongs to the 74FCT logic family, which utilizes CMOS technology to provide performance comparable to older bipolar families while maintaining lower power consumption. The 74FCT574 variant specifically addresses the need for wide data path storage in high-speed digital circuits.
Replacement Considerations
Cross-reference with CY74FCT574CTQCT or 74FCT574CTQG8 for potential equivalents. Verify pin compatibility and electrical specifications before substitution.
