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74LS90N
Decade Counter, DIP14 (Update 14/01/2023)
Part No.:  74LS90N
Date added::  01/09/2013
Brand:  Renesas
Origin:  Genuine
Package:  DIP(14)
Category:  Logic - Counters, Dividers
Pricing: 
Quantity (pcs)1 - 24 25 - 99 100 - 299 300 - 499 500+
Unit price (USD) 0.85 0.81 0.77 0.72 0.68
Product Unit:  pcs
In stock:  299 pcs
Views:  2297
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  1. Product information

SN74LS90N Decade Counter   DataSheet

Description

Each of these monolithic counters 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 for the '90A and 'LS90, divide-by-six for the '92A and 'LS92, and the divide-by eight for the '93A and 'LS93.

All of these counters have a gated zero reset and the '90A and 'LS90 also have gated set-to-nine inputs for use in BCD nine's complement applications.

To use their maximum count length (decade, divide-by-twelve, or four-bit binary) of these counters, the CKB input is connected to the QA output. The input count pulses are applied to CKA input and the outputs are as described in the appropriate function table.

View full Description in Datasheet