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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14SOIC
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Logic Type：AND Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：7.9ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C (TA)
- 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 SN74AHCT08DRG4 is a quadruple 2-input positive-AND gate from the Texas Instruments SNx4AHCT08 family. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of -40°C to +125°C. The device features TTL-compatible inputs, allowing up-conversion from 3.3 V logic levels to 5 V outputs. Electrical characteristics include a low-level output current of 8 mA and a high-level output current of -8 mA. Propagation delay times are specified as 1 ns to 9 ns depending on load capacitance.
Feature Summary
- TTL-voltage compatible inputs enable seamless translation between 3.3 V and 5 V logic domains.
- Low-drive CMOS architecture minimizes output ringing and overshoot for noise-sensitive applications.
- Robust electrostatic discharge protection exceeds standard industry thresholds.
Applications
- Servers
- Network switches
- PCs and notebooks
- Electronic points-of-sale
Procurement Notes
Verify that the ordering suffix 'G4' corresponds to the specific lead finish and environmental compliance requirements defined in the manufacturer's package addendum. Confirm the SOIC-14 package dimensions match the design constraints. Ensure the component status is listed as active production rather than obsolete or not recommended for new designs.
Selection Notes
Select this component when TTL input compatibility is required alongside 5 V CMOS operation. The slow rise and fall times make it suitable for bus interfaces where signal integrity is critical. Verify that the 8 mA drive capability meets the load requirements and that the wide operating temperature range fits the deployment environment.
Part Context
This part belongs to the SNx4AHCT08 series of quadruple 2-input positive-AND gates. The 'D' designation indicates the SOIC-14 surface-mount package, while 'RG4' denotes the green (RoHS-compliant) variant with no halogens. The device utilizes CMOS technology to provide balanced output drive capabilities.
Replacement Considerations
SN74AHCT08DR
FAQ
How does the device handle unused inputs?
All unused inputs must be connected to either VCC or GND to prevent undefined operational states caused by floating voltages.
What is the maximum input voltage tolerance?
Inputs are overvoltage tolerant, allowing them to accept voltages up to 5.5 V even at lower valid VCC settings.
