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Product Detailed Parameters
- Description：IC GATE NAND 6CH 2-INP 20SOIC
- Series：74ALS
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Bulk
- Logic Type：NAND 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 SN74ALS804ADWR is a catalog logic device containing six independent 2-input NAND drivers. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating free-air temperature range of 0°C to 70°C. The component provides high capacitive-drive capability with a typical propagation delay time of 4 ns at a load capacitance of 50 pF. It delivers a low-level output current of up to 24 mA and features a plastic small-outline (DW) package configuration.
Feature Summary
- Contains six independent 2-input NAND drivers performing Boolean functions Y = A · B or Y = A + B in positive logic
- Provides high capacitive-drive capability for robust signal transmission
- Features a typical propagation delay time of 4 ns under standard loading conditions
Applications
- General-purpose digital logic circuit design
- Boolean function implementation in industrial control systems
- Signal processing within commercial electronic equipment
Procurement Notes
Verify the specific ordering suffix 'DWR' corresponds to the SOIC-20 plastic small-outline package before procurement. Confirm that the catalog version matches the required operational specifications, as military versions carry different part numbers. Ensure compatibility with the intended operating temperature range of 0°C to 70°C for commercial applications.
Selection Notes
Select this component when six independent 2-input NAND gates are required in a single package. It is suitable for designs needing high capacitive-drive capability and fast switching speeds around 4 ns. Consider the SN74AS804B variant if higher drive currents and faster delays are necessary, while noting the increased power dissipation associated with that series.
Part Context
This device belongs to the Texas Instruments 74ALS logic family, which utilizes Advanced Low-Power Schottky technology. The SN74ALS804A is the commercial-grade catalog version characterized for operation from 0°C to 70°C. It serves as a standard logic solution for implementing NAND functions in various digital systems requiring reliable performance and moderate speed.
Replacement Considerations
The SN74AS804BDWR is a documented substitute offering higher drive strength and faster switching characteristics. Verify pinout compatibility and ensure the application can accommodate the increased power dissipation of the AS series.
