SN74HCS02 datasheet(12/27 Pages) TI

Teilenummer	SN74HCS02

Bauteilbeschribung	SN74HCS02-Q1 Automotive Quadruple 2-Input NOR Gates with Schmitt-Trigger Inputs

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2. Ensure the capacitive load at the output is ≤ 50 pF. This is not a hard limit, however it will ensure

optimal performance. This can be accomplished by providing short, appropriately sized traces from the

SN74HCS02-Q1 to the receiving device(s).

3. Ensure the resistive load at the output is larger than (VCC / IO(max)) Ω. This will ensure that the maximum

output current from the Absolute Maximum Ratings is not violated. Most CMOS inputs have a resistive load

measured in megaohms; much larger than the minimum calculated above.

4. Thermal issues are rarely a concern for logic gates, however the power consumption and thermal increase

can be calculated using the steps provided in the application report, CMOS Power Consumption and Cpd

Calculation.

9.2.3 Application Curves

Figure 9-2. Application timing diagram

SN74HCS02-Q1

SCLS755C – JULY 2019 – REVISED MARCH 2021

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SN74HCS02 Datenblatt(PDF) 12 Page - Texas Instruments