Part Number
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HD74HC93 |
Manufacturer
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Hitachi Semiconductor |
Description
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4-bit Binary Counter |
Published
|
Mar 23, 2005 |
Detailed Description
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HD74HC93
4-bit Binary Counter
Description
The HD74HC93 is a 4-bit ripple type counter consisting of four master/slave f...
|
Datasheet
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HD74HC93
|
Overview
HD74HC93
4-bit Binary Counter
Description
The HD74HC93 is a 4-bit ripple type counter consisting of four master/slave flip-flops that are internally connected to provide separate divide-by-two and divide-by-eight sections.
Each section has a separate clock input which initiates state changes of the counter on the high-to-low clock transition.
State changes of the Q outputs do not occur simultaneously because of internal ripple delays.
Therefore, decoded output signals are subject to decoding spikes and should not be used as clocks or as strobes except when gated with the clock of the HD74HC93.
QA is the output of the divide-by-two section; Q B, QC, and QD are the binary outputs of the divid...
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