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SN74HCS157 数据表(PDF) 13 Page - Texas Instruments

部件名 SN74HCS157
功能描述  SN74HCS157 Quadruple 2-to-1 Multiplexer with Schmitt-Trigger Inputs
PDF  25 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

SN74HCS157 数据表(HTML) 13 Page - Texas Instruments

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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 Curve
A/B
G
xY
xA
xB
Figure 9-2. Application timing diagram
www.ti.com
SN74HCS157
SCLS847 – SEPTEMBER 2020
Copyright © 2020 Texas Instruments Incorporated
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