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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14DIP
- Series：74ALS
- Mfr：Texas Instruments
- Package：Tube
- Logic Type：AND Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：-
- Current - Output High, Low：400µA, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：14ns @ 5V, 50pF
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Package / Case：14-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The SN74ALS08NG4 is a quad 2-input positive-AND gate from the Texas Instruments 74ALS series, housed in a 14-pin PDIP package. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a low-level output current of 8 mA with a high-level output current of -400 µA. The device features a propagation delay of 14 ns at 5 V with 50 pF load capacitance. It functions reliably across an operating temperature range of 0°C to +70°C.
Feature Summary
- Contains four independent 2-input AND logic gates for complex digital signal processing.
- Utilizes Advanced Low-power Schottky (ALS) technology for optimized speed and power consumption.
- Provides robust drive capability with specified low-level sink current performance.
Applications
- Digital logic circuits requiring multiple AND operations
- Data acquisition systems for signal gating
- Industrial control logic interfaces
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free composition and RoHS compliance as per manufacturer documentation. Confirm the PDIP-14 package style matches your PCB footprint requirements. Ensure the operating temperature range aligns with your system's environmental conditions. Cross-reference the datasheet for exact pinout configurations before integration.
Selection Notes
Select this component when higher switching speeds than standard LS logic are required without the complexity of CMOS families. The ALS series offers a balance between power dissipation and propagation delay suitable for general-purpose digital applications. Consider the through-hole packaging if prototyping or specific mechanical mounting constraints dictate surface-mount alternatives.
Part Context
This part belongs to the widely adopted 74-series logic family, specifically the Advanced Low-power Schottky variant. It serves as a fundamental building block in digital electronics, providing reliable logical conjunction. The SN74ALS08NG4 designation specifies the commercial grade temperature range and the lead-free manufacturing process compliant with environmental directives.
Replacement Considerations
SN74ALS08N
FAQ
What is the maximum propagation delay for this component?
The maximum propagation delay is 14 ns when tested at a supply voltage of 5 V with a 50 pF load capacitance.
Does the G4 suffix affect the logical function?
No, the G4 suffix denotes lead-free packaging and RoHS compliance; it does not alter the electrical characteristics or logical function of the device.
