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Product Detailed Parameters
- Description：IC GATE OR QUAD 2-INP
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Circuits：-
- Number of Inputs：-
- Features：-
- Voltage - Supply：-
- Current - Quiescent (Max)：-
- Current - Output High, Low：-
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The SN72251N is a quad 2-input OR gate integrated circuit manufactured by Texas Instruments. It belongs to the standard logic family and features four independent OR gates, each with two inputs. The device is housed in a bulk package format and is currently listed as active. It operates within standard logic voltage ranges typical for its series, providing complementary or standard logic outputs suitable for general digital applications.
Feature Summary
- Contains four independent 2-input OR logic gates
- Standard TTL/H/L series logic functionality
- Bulk packaging format for integration
Applications
- General digital logic signal combining
- Basic Boolean logic implementation in control circuits
- Signal routing in legacy digital systems
Procurement Notes
Verify the specific datasheet revision and electrical characteristics against current design requirements, as legacy components may have updated specifications. Confirm package compatibility and pinout alignment during integration. Check for RoHS compliance status if required by project regulations. Ensure supply chain stability due to potential lifecycle changes associated with older logic families.
Selection Notes
Select this component when a simple quad 2-input OR function is required in a through-hole or bulk-compatible design. Consider the propagation delay and power consumption limits of the standard logic family. Evaluate alternative modern equivalents if higher speed or lower power is needed, ensuring logical equivalence is maintained.
Part Context
This part is part of Texas Instruments' extensive portfolio of discrete logic gates. It serves as a fundamental building block for combinational logic circuits. The SN72251N represents an earlier generation of logic ICs, often used in industrial or educational contexts where standard logic levels are sufficient.
Replacement Considerations
Direct replacements include other quad 2-input OR gates from the same logic family, such as the SN74LS32 or SN74HC32, depending on speed and power requirements. Verify pin-to-pin compatibility and logic level thresholds before substitution.
