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Product Detailed Parameters
- Description：IC GATE NOR 6CH 2-INP 20SOIC
- Series：74ALS
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：NOR Gate
- Number of Circuits：6
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：-
- Current - Output High, Low：15mA, 24mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：8ns @ 5V, 50pF
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Supplier Device Package：20-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74ALS805ADWR is a Texas Instruments logic device containing six independent 2-input NOR drivers. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range from 0°C to 70°C. The component utilizes the ALS logic family, providing high capacitive-drive capability with typical propagation delays of 1 ns to 12 ns depending on transition direction. It is housed in a 20-pin Small-Outline (DW) package.
Feature Summary
- Contains six independent 2-input NOR driver circuits
- Provides high capacitive-drive capability for signal integrity
- Operates using standard bipolar ALS technology
Applications
- Digital logic circuit design requiring NOR functions
- High-speed data processing systems
- Industrial control applications
Procurement Notes
Verify that the ordering suffix 'ADWR' corresponds to the specified SOIC-20 tape-and-reel packaging configuration. Confirm the manufacturer designation matches Texas Instruments specifications. Ensure the component meets the required commercial temperature range of 0°C to 70°C for your specific application environment.
Selection Notes
Select this component when multiple independent NOR gates are required in a single integrated circuit. The ALS series offers a balance between speed and power consumption suitable for general-purpose digital logic. Verify that the 20-pin surface-mount package fits the available board space and routing requirements.
Part Context
This device belongs to the SN54/74ALS805A family of high-speed Schottky logic components. It serves as a specialized gate solution distinct from standard NAND or AND logic families. The part integrates multiple logic functions into a compact form factor, reducing overall system footprint compared to discrete implementations.
Replacement Considerations
SN74ALS805A
FAQ
What Boolean function does the SN74ALS805ADWR perform?
The device performs the Boolean function Y = A + B (NOR) for each of its six independent channels.
What is the maximum supply voltage for this component?
The recommended operating conditions specify a maximum supply voltage (VCC) of 5.5 V.
