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IC Specifications

ENGI 251ELEC 241

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IC Current and Voltage

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Propagation Delay

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ICCH and ICCL

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DC Noise Margins

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Current-Sourcing vs Current-Sinking

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Common IC Packages

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TTL NAND Gate and Diode Equivalent

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TTL NAND Output States

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TTL Outputs

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TTL NOR Gate

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Data Sheet for the 74ALS00

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TTL Output Currents

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Sink Currents

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Handling Unused Logic Inputs

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Output Loading

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TTL Current Switching Spike

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Bus Contention

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Wire ORed TTL Outputs Produce High Current

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Open-collector TTL

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Wired-AND Using Open-collector Gates

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Notation for Open-Collector Outputs

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Output Conditions of Tristate Logic Devices

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Tristate Noninverting Buffers

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Using Tristate Buffers to Connect to a Common Bus

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Notation for Tristate Outputs

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Bus Termination Techniques