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74HC390

nexperia
Part Number 74HC390
Manufacturer nexperia
Description Dual decade ripple counter
Published Jul 16, 2019
Detailed Description 74HC390; 74HCT390 Dual decade ripple counter Rev. 5 — 18 October 2021 Product data sheet 1. General description The 74...
Datasheet PDF File 74HC390 PDF File

74HC390
74HC390

Overview
74HC390; 74HCT390 Dual decade ripple counter Rev.
5 — 18 October 2021 Product data sheet 1.
General description The 74HC390; 74HCT390 is a dual 4-bit decade ripple counter divided into four separately clocked sections.
The counters have two divide-by-2 sections and two divide-by-5 sections.
These sections share an asynchronous master reset input (nMR) and can be used in a BCD decade or bi-quinary configuration.
If master reset inputs (1MR and 2MR) are used to simultaneously clear all 8 bits of the counter, a number of counting configurations are possible within one package.
The separate clocks (nCP0 and nCP1) of each section allow ripple counter or frequency division applications of divide...


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