Low

CD74HCT390M - 

Decade Ripple Counter, HCT Family, 27 MHz, 4.5 V to 5.5 V, SOIC-16

TEXAS INSTRUMENTS CD74HCT390M

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Manufacturer Part No:
CD74HCT390M
Order Code:
1739959
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The CD74HCT390M is a 4-bit high speed CMOS dual Decade Ripple Counter pin compatible with low-power Schottky TTL (LSTTL). It is divided into four separately clocked sections. The counter has two divide-by-2 sections and two divide-by-5 sections. These sections are normally used in a BCD decade or bi quinary configuration, since they share a common master reset (nMR). If the two 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 clock inputs of each section allow ripple counter or frequency division applications of divide-by-2, 4. 5, 10, 20, 25, 50 or 100. Each section is triggered by the high-to-low transition of the input pulses. For BCD decade operation, the nQ0 output is connected to the nCP1\ input of the divide-by-5 section. For bi-quinary decade operation, the nO3 output is connected to the nCP0\ input and nQ0 becomes the decade output.
  • Two master reset inputs to clear each decade counter individually
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LSTTL logic ICs
  • High noise immunity
  • Direct LSTTL input logic compatibility
  • CMOS Input compatibility
  • 10 LSTTL Load standard outputs
  • 15 LSTTL Loads bus driver outputs
  • Green product and no Sb/Br

Applications

Communications & Networking, Industrial

Product Information

:
74HCT390
:
Decade Ripple
:
27MHz
:
9
:
SOIC
:
16Pins
:
4.5V
:
5.5V
:
74HCT
:
74390
:
-55°C
:
125°C
:
Each
:
-
:
MSL 1 - Unlimited
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