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Product Detailed Parameters
- Description：IDENTITY COMPARATOR
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Type：-
- Number of Bits：-
- Output：-
- Output Function：-
- Voltage - Supply：-
- Current - Output High, Low：-
- Max Propagation Delay @ V, Max CL：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Mounting Type：-
- Grade：-
- Qualification：-
Download product information
Overview
The SNJ54F519J is an identity comparator manufactured by Texas Instruments, designed for military and aerospace applications. It features a single function with eight bits of comparison capability in a 20-pin ceramic dual in-line package (CDIP). The device operates within an extended temperature range from -55°C to 125°C. It provides magnitude comparator bit output functionality, distinguishing it from standard logic buffers or transceivers.
Feature Summary
- Provides identity comparison logic for digital signals
- Supports bidirectional data path operations through comparator architecture
- Utilizes robust ceramic packaging for harsh environment reliability
Applications
- Military avionics systems requiring high-reliability logic components
- Aerospace data processing units
- Industrial control systems operating in extreme temperatures
Procurement Notes
Verify the specific suffix J indicates the ceramic DIP package variant. Confirm RoHS compliance status as lead-free if required by project specifications. Ensure the ordering part number matches the exact functional requirements for identity comparison rather than general bus driving. Check for any specific military qualification markings on the component body.
Selection Notes
Select this component when an identity comparator function is explicitly required rather than a buffer or transceiver. The SNJ54F519J differs significantly from similar SNJ54F241J or SNJ54LS245J parts which serve different logical purposes. Ensure the application demands the specific magnitude comparison capabilities provided by this integrated circuit type.
Part Context
This component belongs to the Texas Instruments 54F series of fast logic devices. Unlike the SNJ54F241J octal buffer or SNJ54LS245J octal bus transceiver, the SNJ54F519J performs identity comparison. It shares the 20-pin CDIP form factor common to many military-grade TI logic ICs but serves a distinct computational role in digital circuits.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs before considering alternative logic families.
