The 74ALS00 NAND gate output in Example 8-7 needs to be used to drive some 74ALS inputs

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The 74ALS00 NAND gate output in Example 8-7 needs to be used to drive some 74ALS inputs in addition to the load inputs described in Example 8-7. How many additional 74ALS inputs could the output drive without being overloaded?


Data from Example 8-7

A 74ALS00 NAND gate output is driving three 74S gate inputs and one 7406 input. Using data from Table 8-7, determine if there is a loading problem.


Table 8-7

Outputs IOH -0.4 mA -1 MA -0.4 mA -2mA TTL Series 74 74S 74LS 74AS 74ALS 74F *Some devices may have different

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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