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TEXAS INSTRUMENTS  CD74HCT390M  LOGIC, DUAL DECADE RIP CONTR, 16SOIC

TEXAS INSTRUMENTS CD74HCT390M
Technical Data Sheet (10.09KB) EN See all Technical Docs

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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

Product Information

Counter Type:
Decade Ripple
Clock Frequency:
27MHz
Count Maximum:
9
Logic Case Style:
SOIC
No. of Pins:
16Pins
Supply Voltage Min:
4.5V
Supply Voltage Max:
5.5V
Operating Temperature Min:
-55°C
Operating Temperature Max:
125°C
Packaging:
Each
Product Range:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Communications & Networking;
  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Country of Origin:
Mexico

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.001633

Alternatives

COUNTER, RIPPLE DECADE, 61MHZ, SOIC-16

NXP

546 in stock

Price for: Each

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