ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
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 SNJ54F520J is an 8-bit identity comparator manufactured by Texas Instruments. It operates within a military-grade temperature range of -55°C to 125°C and utilizes a 20-pin ceramic dual in-line package (CDIP). The device features inverted outputs with three-state capability, allowing for bus-oriented connections. It includes internal pull-up resistors on the Q inputs and supports cascading for expanded comparison functions.
Feature Summary
- Provides 8-bit identity comparison functionality with inverted outputs
- Features three-state outputs for efficient bus system integration
- Includes internal pull-up resistors on Q inputs
- Supports cascading for multi-word magnitude comparisons
Applications
- Military aerospace data processing systems
- Industrial control logic verification
- High-reliability computer memory address checking
Procurement Notes
Verify the specific suffix J indicates a ceramic DIP package suitable for high-temperature environments. Confirm the component meets military reliability standards required for your application. Check datasheet revisions for any pinout or electrical characteristic updates before finalizing design integration.
Selection Notes
Select this component when 8-bit identity comparison is required in harsh thermal conditions. Ensure the circuit design accommodates the inverted output polarity and three-state bus loading requirements. Verify that the CDIP package form factor fits the available board space and mounting constraints.
Part Context
This part belongs to the F/FAST logic family from Texas Instruments, designed for high-speed digital applications. It serves as a specialized comparator within the broader catalog of logic integrated circuits, distinct from buffers or transceivers in its comparative function.
Replacement Considerations
SN54ALS520J offers similar functionality with ALS technology characteristics. SNJ54LS520J provides LS speed variants. Verify voltage levels and propagation delays match system requirements when substituting.
