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NTE74LS90

Part Number	NTE74LS90
Manufacturer	NTE
Description	Decade Counter
Published	Dec 10, 2020
Detailed Description	NTE74LS90 Integrated Circuit TTL− Decade Counter 14−Lead DIP Description: The NTE74LS90 is a monolithic counter in a 14...
Datasheet	NTE74LS90 PDF File

Overview

NTE74LS90 Integrated Circuit TTL− Decade Counter 14−Lead DIP Description: The NTE74LS90 is a monolithic counter in a 14−Lead DIP type package that contains four master− slave flip−flops and additional gating to provide a divide−by−two counter and a three−stage binary counter for which the count cycle length is divide−by−five.
The counter has a gated zero reset and also has gated set−to−nine inputs for use in BDC nine’s complement applications.
To use the maximum count length (decade or four−bit binary), the B input is connected to the QA output.
The input count pulses are applied to input A and the outputs are as described in the appropriate Function Table.
A symmetrical divide−by−ten count...

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