Dual 4-bit Decade Ripple Counter IC - 74HC390

Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.

Product Overview

The 74HC390 is a dual 4-bit decade ripple counter IC, ideal for digital counting applications. Each counter independently divides the input frequency by 10, making it perfect for frequency division, timing circuits, and digital displays.

Technical Specifications

Specification	Details
IC Type	Dual 4-bit Decade Ripple Counter
Part Number	74HC390
Logic Family	CMOS (High-Speed)
Supply Voltage	2V to 6V
Operating Temperature	0 degreesC to 70 degreesC
Pin Count	16 DIP
Frequency Range	Up to 25 MHz
Output Type	BCD (Binary Coded Decimal)
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Key Features

• Dual Independent Counters - Two separate decade counters in one IC
• BCD Output - Direct compatibility with 7-segment displays
• Low Power Consumption - CMOS technology for efficient operation
• Wide Supply Range - Operates from 2V to 6V
• High Speed Operation - Suitable for real-time counting applications
• Reset Function - Clear outputs to zero easily
• Ripple Carry Output - Cascade multiple ICs for extended counting

Why Choose This?

100% authentic from trusted suppliers

1-5 day shipping, 7-8 day delivery from Bengaluru warehouse

Expert technical support included

Competitive pricing with bulk discounts

Tested and verified before dispatch

Applications

DIY Electronics & Hobbyist Projects

• Frequency counters and dividers
• Digital clock circuits
• Event counters and tally systems
• Timer and delay circuits

Professional & Industrial Use

• Industrial control systems
• Test and measurement equipment
• Automated counting systems
• Digital instrumentation

Learning & Education

• Electronics and digital logic courses
• Microcontroller interfacing projects
• FPGA and embedded systems training
• Student experimentation kits

Pin Configuration (16-pin DIP)

Pin

Function

Pin | Function |

1	Counter A - Input

16 | VCC (+5V) |

2	Counter A - QA

15 | Counter B - Input |

3	Counter A - QB

14 | Counter B - QA |

4	Counter A - QC

13 | Counter B - QB |

5	Counter A - QD

12 | Counter B - QC |

6	Counter A - Reset

11 | Counter B - QD |

7

GND

10 | Counter B - Reset |

8

GND

9 | Carry Out B |

Package Contents

• 1x 74HC390 Dual Decade Counter IC (16-pin DIP)
• Product documentation and pinout diagram
• Technical datasheet reference
• Support contact information

Technical Highlights

Counting Operation:

• Counts from 0-9 in BCD format
• Automatic reset after count of 9
• Cascadable for larger count ranges
• Synchronous reset capability

Electrical Characteristics:

• Low propagation delay
• TTL compatible inputs/outputs
• Minimal power draw in CMOS design
• Excellent noise immunity

Frequently Asked Questions

Is this 100% authentic?

Yes, sourced from authorized distributors with authentication verification. Every unit is tested before shipment.

What is the warranty coverage?

7-day warranty on manufacturing defects covering all manufacturing defects. Replacement or refund available for defective units.

How fast is the shipping?

7-8 days to most of India from our Bengaluru warehouse. Express options available for urgent orders.

Do you provide technical support?

Yes, full technical support available 24/7 via email and WhatsApp. Our engineers can help with circuit design and troubleshooting.

What is your return policy?

7-day returns on manufacturing defects only with full refund or replacement. applicable on manufacturing defects only for manufacturing defects.

Are bulk discounts available?

Yes, wholesale pricing available on orders of 10+ units. Contact us for custom quotes and volume discounts.

Can I cascade multiple 74HC390 ICs?

Yes, the ripple carry output allows cascading for extended counting ranges (up to 100, 1000, etc.).

What power supply do I need?

The 74HC390 operates from 2V to 6V. Most applications use +5V for standard logic compatibility.

Related Products You Might Need

• 74HC393 - Dual 4-bit Binary Ripple Counter
• 74HC4017 - Decade Counter/Divider
• 7-Segment Display Decoder (74HC4511)
• Breadboard and jumper wires
• IC Socket (16-pin DIP)

Contact & Support

Email: support@theengineerstore.in

WhatsApp: Available 24/7

Location: Bengaluru, India

Buy Dual 4-bit Decade Ripple Counter IC - 74HC390 Online in India

Purchase the Dual 4-bit Decade Ripple Counter IC - 74HC390 online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Dual 4-bit Decade Ripple Counter IC - 74HC390 with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy Dual 4-bit Decade Ripple Counter IC - 74HC390 at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.