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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20DIP
- Series：74FCT
- Mfr：Harris Corporation
- Package：Tube
- Function：Master Reset
- Type：D-Type
- Output Type：Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：70 MHz
- Max Propagation Delay @ V, Max CL：7ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：15mA, 48mA
- Voltage - Supply：4.75V ~ 5.25V
- Current - Quiescent (Iq)：8 µA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：20-PDIP
- Package / Case：20-DIP (0.300", 7.62mm)
- Input Capacitance：-
- Grade：-
- Qualification：-
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Overview
The CD74FCT273E is an octal D-type flip-flop from the FCT series, manufactured by Harris Corporation. It features eight positive-edge-triggered D flip-flops with true outputs in a single functional unit. The device utilizes CMOS technology and is housed in a PDIP-20 package. It operates within a supply voltage range of 4.75 V to 5.25 V and supports through-hole mounting. The component functions as a data storage element for digital logic applications.
Feature Summary
- Octal configuration containing eight independent D-type flip-flops
- Positive edge triggering mechanism for data capture
- CMOS output structure providing true (non-inverting) signals
Applications
- Octal data storage circuits
- Parallel-to-serial conversion interfaces
- Digital state retention systems
Procurement Notes
Verify manufacturer origin as Harris Corporation, noting that Texas Instruments also produces equivalent part numbers under different suffixes. Confirm RoHS compliance status and specific packaging requirements against official datasheets. Ensure the PDIP-20 through-hole package matches design constraints before procurement.
Selection Notes
Select this component when an octal D-type flip-flop with FCT logic compatibility is required. Consider the 4.75 V to 5.25 V operating range and through-hole PDIP-20 package form factor. Evaluate propagation delay specifications if timing constraints are critical for the target application.
Part Context
This component belongs to the FCT logic family, designed for high-speed CMOS operations with TTL-compatible inputs. The CD74FCT273 variant specifically provides octal storage capabilities. Harris Corporation originally developed this series, which has since been integrated into broader semiconductor portfolios maintaining backward compatibility.
Replacement Considerations
Texas Instruments offers the CD74FCT273E as a direct equivalent. Verify pinout and electrical characteristics match before substitution. Other manufacturers may provide compatible parts within the same logic family.
