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DM74LS390 Scheda tecnica (PDF) - Fairchild Semiconductor

DM74LS390 Datasheet PDF - Fairchild Semiconductor
Il numero della parte DM74LS390
Scarica  DM74LS390 Scarica

Grandezza file   58.14 Kbytes
Page   6 Pages
Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Spiegazioni elettronici Dual 4-Bit Decade Counter

DM74LS390 Datasheet (PDF)

Go To PDF Page Scarica Scheda tecnica
DM74LS390 Datasheet PDF - Fairchild Semiconductor

Il numero della parte DM74LS390
Scarica  DM74LS390 Click to download

Grandezza file   58.14 Kbytes
Page   6 Pages
Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Spiegazioni elettronici Dual 4-Bit Decade Counter

DM74LS390 Scheda tecnica (HTML) - Fairchild Semiconductor

DM74LS390 Datasheet HTML 1Page - Fairchild Semiconductor DM74LS390 Datasheet HTML 2Page - Fairchild Semiconductor DM74LS390 Datasheet HTML 3Page - Fairchild Semiconductor DM74LS390 Datasheet HTML 4Page - Fairchild Semiconductor DM74LS390 Datasheet HTML 5Page - Fairchild Semiconductor DM74LS390 Datasheet HTML 6Page - Fairchild Semiconductor

DM74LS390 Dettagli del prodotto

General Description
Each of these monolithic circuits contains eight master-slave flip-flops and additional gating to implement two individual four-bit counters in a single package. The DM74LS390 incorporates dual divide-by-two and divideby-five counters, which can be used to implement cycle lengths equal to any whole and/or cumulative multiples of 2 and/or 5 up to divide-by-100. When connected as a bi-quinary counter, the separate divide-by-two circuit can be used to provide symmetry (a square wave) at the final output stage. The DM74LS390 has parallel outputs from each counter stage so that any submultiple of the input count frequency is available for system-timing signals.

Features
■ Dual version of the popular DM74LS90
■ DM74LS390...individual clocks for A and B flip-flops provide dual ÷ 2 and ÷ 5 counters
■ Direct clear for each 4-bit counter
■ Dual 4-bit version can significantly improve system densities by reducing counter package count by 50%
■ Typical maximum count frequency...35 MHz
■ Buffered outputs reduce possibility of collector commutation




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A proposito di Fairchild Semiconductor


Fairchild Semiconductor era una società di semiconduttori pionieristici che fu fondata alla fine degli anni '50.
La società era nota per la sua innovazione nello sviluppo del primo transistor commerciale e per i suoi contributi al progresso della tecnologia del circuito integrato.
Fairchild è diventato un fornitore leader di semiconduttori di potenza, circuiti integrati analogici e di segnale misto e altri prodotti a semiconduttore.
La società è stata acquisita da Semiconductor nel 2016 e i suoi prodotti e tecnologie continuano a essere sviluppati e venduti con il marchio su semiconduttore.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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