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Product Detailed Parameters
- Description：OCTAL D-TYPE FLIP-FLOPS WITH ENA
- Series：54FCT
- Mfr：Texas Instruments
- Package：Tube
- Function：Standard
- Type：D-Type
- Output Type：Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：5.5ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：12mA, 32mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：200 µA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-LCCC (8.89x8.89)
- Package / Case：20-CLCC
- Input Capacitance：5 pF
- Grade：-
- Qualification：-
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Overview
The CY54FCT377CTLMB is a high-speed CMOS logic octal D-type flip-flop manufactured by Texas Instruments. It features positive edge triggering and three-state outputs, housed in a 20-lead ceramic LCCC package. The device operates within a military-grade temperature range of -55°C to 125°C and supports a nominal supply voltage of 5V. Designed for robust performance in demanding environments, it integrates data enable functionality to control output states effectively.
Feature Summary
- Octal D-type flip-flop architecture with positive edge triggering
- Three-state outputs for bus-oriented applications
- Military-grade reliability with extended temperature range
- Ceramic LCCC package for harsh environment durability
Applications
- Military aerospace systems requiring high reliability
- Industrial control systems with extreme temperature exposure
- High-speed digital data storage registers
- Bus driver applications in communication equipment
Procurement Notes
Verify the specific ordering suffix CTLMB to ensure correct package type and lead-free status. Confirm that the ceramic LCCC package matches the PCB footprint requirements. Check for any specific military qualification certifications required by the procurement specification. Ensure compatibility with existing design-in documentation before finalizing orders.
Selection Notes
Select this component when military-grade temperature stability and high-speed CMOS performance are critical. The FCT technology offers faster switching speeds compared to standard HC/HCT families. Consider the ceramic package for superior thermal and mechanical resistance in rugged applications. Evaluate pinout compatibility if replacing legacy components from other manufacturers.
Part Context
This part belongs to the Texas Instruments FCT (Fast CMOS Technology) family, acquired from Cypress Semiconductor. The FCT line combines the speed of ECL with the noise immunity of CMOS. The CY54 prefix indicates a military-grade version, ensuring compliance with strict environmental and performance standards for defense and aerospace sectors.
Replacement Considerations
Direct substitutes include CD54HCT377-MIL for HCT logic compatibility. For equivalent FCT performance, consider IDT 54FCT377CL. Verify pinout and electrical characteristics against original designs before substitution.
