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SN74LS390N . - 

Decade Counter, LS Family, 35 MHz, 4.75 V to 5.25 V, DIP-16

SN74LS390N . - Decade Counter, LS Family, 35 MHz, 4.75 V to 5.25 V, DIP-16

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Manufacturer Part No:
SN74LS390N .
Order Code:
1214446

Product Overview

The SN74LS390N is a 4-bit dual Decade Counter contains eight master-slave flip-flops and additional gating to implement two individual four-bit counters. It incorporates dual divide-by-two and divide-by-five counter, 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. It comprises two independent four-bit binary counters each having a clear and a clock input. N-bit binary counters can be implemented with each package providing the capability of divide-by-256. It has parallel outputs from each counter stage so that any submultiple of the input count frequency is available for system-timing signals.
  • Direct clear for each 4-bit counter
  • Buffered outputs reduce possibility of collector commutation

Applications

Aerospace, Defence, Military

Product Information

:
74LS390
:
Decade
:
35MHz
:
10
:
DIP
:
16Pins
:
4.75V
:
5.25V
:
74LS
:
74390
:
0°C
:
70°C
:
-
:
-
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