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Product Detailed Parameters
- Description：54ACT74/SDA-R - DUAL MARKED (596
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Function：-
- Type：-
- Output Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Input Capacitance：-
- Grade：-
- Qualification：-
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Overview
The 54ACT74/SDA-R is a dual D-type flip-flop manufactured by Rochester Electronics, LLC. It operates within a voltage range of 4.5V to 5.5V and supports clock frequencies up to 85MHz. The device features positive-edge triggering with set (preset) and reset capabilities. It provides differential outputs with a propagation delay of 9.5ns at 5V with a 50pf load. The component is housed in a hermetic package suitable for high-reliability applications.
Feature Summary
- Dual D-type flip-flop architecture with independent set and reset functions
- High-speed CMOS technology optimized for data synchronization
- Hermetically sealed packaging designed for radiation-hardened environments
Applications
- Aerospace data synchronization systems
- Radiation-hardened digital logic circuits
- Military-grade memory interface components
Procurement Notes
Verify the specific suffix 'SDA-R' against official manufacturer documentation to confirm hermetic sealing status and lead-free compliance. Ensure the component meets required SMD specifications and radiation hardness levels for the intended operational environment before procurement.
Selection Notes
Select this component when radiation hardness and single-event latch-up immunity are critical requirements. It is suitable for applications requiring hermetic packages and high-speed operation within standard TTL voltage ranges. Verify temperature range compatibility for extreme environmental conditions.
Part Context
This part belongs to the 54ACT series, which consists of high-speed CMOS functions designed for aerospace and defense industries. The series offers immunity to single event upset and latch-up, making it distinct from commercial grade counterparts. It is specifically engineered to meet rigorous military and space qualification standards.
Replacement Considerations
Direct replacements must be verified as qualified under SMD specifications. Check for equivalent radiation hardness ratings and hermetic package availability. Commercial equivalents may lack the necessary SEL immunity and TID tolerance required for this application.
