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Product Detailed Parameters
- Description：IC GATE AND
- 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：-
Download product information
Overview
The SN74AS1808N is a hex 2-input AND driver manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 6 ns at 4.5 V. The device provides a maximum output current of -48 mA and is housed in a 20-pin PDIP package. It supports an operating temperature range of 0°C to 70°C.
Feature Summary
- Hex configuration providing six independent 2-input AND logic functions
- High-speed operation with a propagation delay of 6 ns
- Enhanced drive capability with a maximum output current of -48 mA
Applications
- Bus-oriented logical operations
- Clock distribution circuits
- Memory address decoding
Procurement Notes
Verify the specific manufacturer datasheet for the SN74AS1808N to confirm pinout compatibility and electrical characteristics against your design requirements. Ensure the selected component meets the required operating temperature range and voltage specifications. Cross-reference the package type and lead finish to guarantee physical integration into the target PCB assembly without modification.
Selection Notes
Select this component when high-speed AND logic with significant drive strength is required. The AS series offers faster switching speeds compared to standard TTL variants. Consider the 20-pin DIP package for through-hole mounting applications. Evaluate the power consumption and thermal dissipation capabilities relative to the system's overall heat budget and voltage stability constraints.
Part Context
This part belongs to the Texas Instruments SN74AS series, which utilizes Advanced Schottky technology. This family is designed for high-speed digital applications requiring low propagation delays. The SN74AS1808N specifically integrates six AND gates, offering a compact solution for complex logic gating needs in parallel data processing systems.
Replacement Considerations
Compatible substitutes include the SN74LS189N or SN74S1808N, depending on speed and drive requirements. Verify that alternative parts match the 20-pin PDIP footprint and maintain similar voltage and current ratings.
