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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20QSOP
- Series：74FCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),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：10ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：32mA, 64mA
- Voltage - Supply：4.75V ~ 5.25V
- Current - Quiescent (Iq)：200 µA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SSOP
- Package / Case：20-SSOP (0.154", 3.90mm Width)
- Input Capacitance：5 pF
- Grade：-
- Qualification：-
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Overview
The CY74FCT374TQCT is an octal D-type flip-flop with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and features TTL-compatible inputs. The device provides a maximum propagation delay of 10 ns at 5 V with a 50 pF load. Output drive capabilities include -32 mA for high-level and 64 mA for low-level currents. It is housed in a 20-SSOP package and supports surface mount installation across an operating temperature range of -40°C to +85°C.
Feature Summary
- Octal D-type flip-flop configuration with non-inverting outputs
- Three-state output capability allowing bus-oriented connections
- TTL-compatible input structure for direct interface compatibility
- Power-off disable feature to permit live insertion operations
Applications
- Bus-oriented memory register implementations
- Clocked data storage circuits
- Parallel-to-serial data conversion systems
- I/O buffering applications
Procurement Notes
Verify the specific suffix 'QCT' corresponds to the 20-SSOP package variant when sourcing. Confirm RoHS compliance status as indicated in official documentation. Ensure moisture sensitivity level requirements are met for surface mount assembly processes. Cross-reference manufacturer part numbers against distributor listings to confirm current production status and availability constraints.
Selection Notes
Select this component for designs requiring octal data latching with high drive strength. The FCT logic family offers faster switching speeds compared to standard 74F series devices. Verify that the 5V supply voltage aligns with system power rails. Consider the 20-SSOP package dimensions for PCB layout constraints and thermal management requirements during integration.
Part Context
This device belongs to the 74FCT (Fast CMOS) logic family, bridging the performance gap between TTL and CMOS technologies. It combines the speed of bipolar logic with the low power consumption of CMOS. The octal configuration allows efficient handling of wide data buses, making it suitable for microprocessor-based systems requiring parallel data storage and retrieval.
Replacement Considerations
CY74FCT374ATQCT is documented as a similar alternative within the same product line.
