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Product Detailed Parameters
- Description：IC 1-OF-16 GEN/MUX TRI-ST 24-DIP
- Series：74AS
- Mfr：Texas Instruments
- Package：Tube
- Type：Data Generator/Multiplexer
- Circuit：1 x 16:1
- Independent Circuits：1
- Current - Output High, Low：15mA, 48mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Through Hole
- Package / Case：24-DIP (0.300", 7.62mm)
- Supplier Device Package：24-PDIP
- Grade：-
- Qualification：-
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Overview
The SN74AS250ANT is a 1-of-16 data multiplexer with an inverting W output and buffered 3-state outputs. It features full binary decoding to select one of sixteen data inputs using four address lines (A, B, C, D). The device includes a buffered output-enable (OE) input for cascading or bus isolation. It operates within a supply voltage range of 4.5 V to 5.5 V. The SN74AS250A variant is characterized for operation from 0°C to 70°C.
Feature Summary
- Provides full binary decoding to select one of sixteen data inputs
- Features buffered 3-state outputs that reduce transient occurrence at the output
- Includes a buffered output-enable input for n-line to 1-line cascading
Applications
- Boolean function generation
- Parallel-to-serial conversion
- Data source selection
Procurement Notes
Verify the specific ordering suffix 'NT' corresponds to the standard plastic DIP package configuration. Confirm the component meets RoHS compliance requirements if applicable to your manufacturing standards. Ensure the operating temperature range aligns with your system's environmental specifications.
Selection Notes
Select this component when a high-speed 1-of-16 multiplexer with 3-state output capability is required. Consider the AS logic family for its speed characteristics compared to standard TTL. Verify that the 24-pin DIP package fits your board layout constraints and that the 0°C to 70°C operating range suits your application environment.
Part Context
This part belongs to the Texas Instruments SN74AS series, which utilizes Advanced Schottky technology. The SN74AS250A is the commercial grade version of the SN54AS250A, differing primarily in the specified operating temperature range. It serves as a specialized data selector within the broader logic IC portfolio.
Replacement Considerations
The SN54AS250AJT is a ceramic dual-in-line package equivalent with a wider military temperature range. Other variants include the DW small-outline package. Verify pinout compatibility and electrical characteristics before substituting.
