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Product Detailed Parameters
- Description：IC GATE AND 4CH 2-INP 14TSSOP
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHCT08PWR is a quadruple 2-input positive-AND gate manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL-compatible inputs allowing up translation from 3.3 V to 5 V. The device provides balanced output drive with maximum currents of 8 mA for both high and low states. Propagation delay is specified at a maximum of 9 ns under a 50 pF load condition. It utilizes a 14-pin TSSOP package and supports an operating temperature range from -40°C to 125°C.
Feature Summary
- TTL-voltage compatible inputs enable direct interfacing with legacy logic systems.
- Slow rise and fall times on outputs minimize signal ringing and overshoot.
- High ESD protection performance exceeds standard industry safety thresholds.
Applications
- Servers
- Network switches
- PCs and notebooks
- Electronic points-of-sale
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current Package Option Addendum to confirm active production status and material specifications. Ensure the component matches the required thermal resistance values for the intended PCB layout. Confirm RoHS compliance and moisture sensitivity level ratings prior to assembly integration.
Selection Notes
Select this component when system design requires TTL input compatibility alongside CMOS technology benefits. The slow edge rates are suitable for applications where minimizing output ringing is critical. Verify that the 8 mA drive strength meets the load requirements without exceeding absolute maximum ratings.
Part Context
This part belongs to the SNx4AHCT08 family, which includes variants in different packages such as SOIC, SSOP, and VQFN. The 'PWR' suffix specifically denotes the TSSOP package type with tape and reel packaging. Other family members share identical electrical characteristics but differ in physical dimensions and mounting styles.
Replacement Considerations
SN74AHCT08PW
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 purpose of the slow rise and fall times?
The slow transition times are designed to reduce ringing on the output signal, making the device suitable for bus-interface applications where signal integrity is a concern.
