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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14SOIC
- Series：74ALS
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Logic Type：AND Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：Open Collector
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：-
- Current - Output High, Low：-, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：54ns @ 5V, 50pF
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74ALS09D is a Texas Instruments logic gate featuring four independent 2-input positive-AND gates with open-collector outputs. It operates within a supply voltage range of 4.5 V to 5.5 V and supports low-level output currents up to 8 mA. The device exhibits a maximum propagation delay of 54 ns at 5 V with 50 pF load capacitance. Designed for surface-mount applications, it utilizes a 14-pin SOIC package and functions reliably across an operating temperature range of 0°C to +70°C.
Feature Summary
- Contains four independent dual-input AND logic channels
- Features open-collector outputs suitable for wired-AND configurations
- Supports high-speed signal processing with defined propagation delays
Applications
- Digital logic circuit design requiring AND functionality
- Bus-oriented systems utilizing open-collector wiring
- General-purpose logic applications in industrial equipment
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the SOIC-14 configuration. Confirm RoHS compliance status through official datasheets prior to integration into regulated assemblies.
Selection Notes
Select this component when open-collector AND logic is required for bus driving or level shifting. Verify that the system voltage remains within the 4.5 V to 5.5 V range. Consider the 8 mA sink capability for load requirements and ensure thermal management aligns with the specified commercial temperature limits.
Part Context
This part belongs to the SN74ALS series, representing Advanced Low-Power Schottky technology from Texas Instruments. It provides improved speed-over-power characteristics compared to standard LS logic families while maintaining pin compatibility with industry-standard 74-series footprints.
Replacement Considerations
The DM74ALS09MX from onsemi is documented as a parameter-equivalent substitute. Verify pinout and electrical specifications against current datasheets before implementation.
