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Product Detailed Parameters
- Description：IC DUAL
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Logic Type：-
- Number of Circuits：-
- Number of Inputs：-
- Features：-
- Voltage - Supply：-
- Current - Quiescent (Max)：-
- Current - Output High, Low：-
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The 54F21/BCA is a dual four-input AND gate manufactured by Rochester Electronics. It operates within a supply voltage range of 4.5V to 5.5V. The device features an output logic high level of 2.5V and supports an output high current (IOH) of 1mA. This component belongs to the SN54F series, designed for military-grade applications with specific environmental qualifications.
Feature Summary
- Dual independent four-input AND logic gates
- Military-grade reliability and qualification
- Standard TTL-compatible logic levels
Applications
- Military avionics systems
- Spacecraft digital logic circuits
- High-reliability industrial control systems
Procurement Notes
Verify the manufacturer source carefully, as Rochester Electronics often supplies components sourced from original manufacturers or recreated using original intellectual property. Confirm that the part meets the required MIL-PRF-38535 Class Q or V specifications if your application demands strict military or space-level compliance. Ensure the datasheet matches the specific suffix requirements for your design.
Selection Notes
Select this component when dual four-input AND functionality is required in harsh environments. It is suitable for designs needing robust performance under extreme conditions. Consider the package type and pinout compatibility with existing board layouts. Verify that the electrical characteristics align with the system's power supply and signal integrity requirements.
Part Context
This part is part of the SN54F family, which offers faster switching speeds compared to standard 74F series devices while maintaining military-grade durability. The 'BCA' suffix typically indicates a specific package and temperature range configuration. It serves as a critical logic element in complex digital systems requiring high noise immunity and reliability.
Replacement Considerations
Direct replacements include other SN54F21 variants from qualified manufacturers. Ensure any substitute maintains the same dual four-input AND gate architecture and meets the same military qualification standards. Verify pin-to-pin compatibility and electrical parameter equivalence before integration.
