What is the functional difference between the SN74AVC4T245 and the SN74AVCH4T245
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What is the functional difference between the SN74AVC4T245 and the SN74AVCH4T245
Hello Gary,
The H signifies that the device has 'bus Hold' circuitry. Bus hold circuitry helps solve the floating-input problem and eliminate the need for pullup and pulldown resistors.
Page 36 of the below application note goes into detail.