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Product Detailed Parameters
- Description：54LS377 OCTAL D-TYPE FLIP-FLOPS
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Function：-
- Type：-
- Output Type：-
- Number of Elements：-
- Number of Bits per Element：-
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- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
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- Input Capacitance：-
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Overview
The JM38510/32504BRA is a dual peripheral driver manufactured by Texas Instruments, designed for military and aerospace applications. It features two independent drivers capable of handling high current loads, suitable for interfacing with relays, solenoids, or indicator lamps. The device operates within an extended temperature range of -55°C to 125°C, ensuring reliability in harsh environments. Packaged in a 16-lead ceramic flatpack (CFP), it provides robust electrical isolation and thermal performance. This component adheres to MIL-PRF-38535 Class B specifications, guaranteeing stringent quality and radiation hardness standards required for critical systems.
Feature Summary
- Dual independent peripheral driver architecture for simultaneous control of multiple loads
- High current output capability suitable for driving relays and solenoids
- Extended temperature operation from -55°C to 125°C for harsh environment reliability
- Ceramic flatpack packaging providing superior thermal dissipation and hermetic sealing
Applications
- Military avionics control systems
- Aerospace relay and solenoid actuation
- Radar system peripheral interfaces
- Communication equipment load switching
Procurement Notes
Verify the specific suffix 'BRA' against the manufacturer's official datasheet to confirm pinout configuration and electrical characteristics. Ensure compliance with MIL-PRF-38535 Class B requirements for your application. Request full traceability documentation including lot number and test reports. Confirm that the supplier is an authorized distributor to avoid counterfeit components. Check for any special handling instructions due to the ceramic package type.
Selection Notes
Select this component when high-current peripheral driving is required in a radiation-hardened, wide-temperature environment. Compare pin compatibility with existing designs if replacing legacy parts. Consider the ceramic flatpack form factor for thermal management needs. Evaluate current sinking/sourcing capabilities against the load requirements. Verify that the dual-driver configuration meets the system's channel count without requiring additional logic gates.
Part Context
This part belongs to the JM38510 series of military-grade integrated circuits produced by Texas Instruments. These devices are typically based on SN55xxx commercial/military logic families but undergo rigorous screening and testing. The series includes various logic functions such as buffers, drivers, and flip-flops. The JM38510/32504BRA specifically addresses the need for robust peripheral interface solutions in defense and space applications where standard commercial parts are insufficient.
Replacement Considerations
Direct replacements may include SN55476 or SN55477 variants, subject to pinout verification. Cross-reference with other manufacturers' MIL-PRF-38535 qualified dual peripheral drivers. Ensure voltage levels and current ratings match or exceed original specifications. Validate thermal performance in the new package if form factor changes.
