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Product Detailed Parameters
- Description：DUAL MARKED (M38510/32004BCA)
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Logic Type：-
- Direction：-
- Number of Elements：-
- Number of Bits per Element：-
- Reset：-
- Timing：-
- Count Rate：-
- Trigger Type：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - Supply：-
- Grade：-
- Qualification：-
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Overview
The 54LS293/BCA is a binary counter from the LS Series, manufactured by Rochester Electronics. It features an asynchronous operation mode with negative edge triggering and counts in an up direction. The device is a 4-bit counter housed in a CDIP14 ceramic package. It supports load and preset inputs for flexible configuration. The component is qualified under MIL-PRF-38534 standards, ensuring compliance with military-grade reliability requirements.
Feature Summary
- Asynchronous 4-bit binary counting capability
- Negative edge triggered operation
- Military qualification per MIL-PRF-38534
Applications
- Military electronic systems requiring reliable binary counting
- Avionics control circuits
- Defense communication equipment
Procurement Notes
Verify the M38510/32004BCA marking to confirm the specific military qualification level. Ensure the CDIP14 ceramic package matches your board layout constraints. Confirm that the asynchronous nature of the counter aligns with your system timing requirements before integration.
Selection Notes
Select this component when a ruggedized, military-qualified 4-bit counter is required. The LS series offers standard TTL compatibility while maintaining high noise immunity. The ceramic DIP package provides superior thermal and mechanical stability compared to plastic alternatives for harsh environments.
Part Context
This part is a dual-marked variant associated with the M38510/32004BCA specification. Rochester Electronics manufactures these components using recreated wafers from original foundries. The product meets all industry and DLA standards, guaranteeing performance equal to original OEM specifications.
Replacement Considerations
Direct substitutes include other 54LS293 variants from different manufacturers if military qualification is not strictly required. For equivalent military-grade parts, verify cross-reference availability within the same MIL-PRF-38534 family.
