74HC90 Decade Counter IC – 4-bit decade counter for digital logic applications. -Robocraze
74HC90 Decade Counter IC – 4-bit decade counter for digital logic applications. -Robocraze
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Decade Counter IC - 74HC90

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SKU: TIFIC0150
  • A decade counter is a binary counter that is designed to count to 1010b.
  • By changing the modes of Decade Counter IC, the chip can count up to other maximum numbers and return to zero.
  • The Decade Counter IC consists of four master-slave JK flip-flops internally connected to provide a MOD-2 (count-to-2) counter and a MOD-5 (count-to-5) counter.
  • Decade counter is one that counts in decimal digits, rather than binary. A decade counter may have each or other binary encodings.

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74HC90 Decade Counter IC – 4-bit decade counter for digital logic applications. -Robocraze
Decade Counter IC - 74HC90
Rs. 28 Rs. 22
74HC90 Decade Counter IC – 4-bit decade counter for digital logic applications. -Robocraze

Decade Counter IC - 74HC90

Rs. 28 Rs. 22
Description

Decade Counter IC - 74HC90

The 74HC Series 74HC90 Decade Counter IC having 4.75 to 5.25V Supply Voltage with 8mA Low Level and - 0.4mA High-Level Output Current. It is a simple counter, it can count from 0 to 9 cyclically in its natural mode. It counts the input pulses and the output is received as a 4-bit binary number through pins QA, QB, QC, and QD. The binary output is reset to 0000 at every tenth pulse and the count starts from 0 again. 

Used For Power amplifiers, Small-signal amplifiers, Operational amplifiers, Microwave amplifiers, RF and IF amplifiers, Voltage comparators, Multiplier.

Pinout:

Pinout of 74HC90 IC
Specifications

Package Includes:

  • 1 x IC - 74HC90

Specifications:

Type DIP, JK Flip-Flop
Voltage Rating 4.75 to 5.25V
Current Rating 8mA Low Level and - 0.4mA High-Level Output Current 
Temperature Rating 0 to 70 Deg C
Number of Bits 4 bit
Additional Resources
FAQ

1.What is the working of IC 7490?

  • The integrated circuit 7490 is a 4-bit ripple-type decade counter. It is made up of four master/slave flip-flops that are internally linked to form a divide-by-two and a divide-by-five section. On a high-to-low clock transition, each section has a separate clock input that changes the counter's output states.

2.How to use 74LS90?

  • The 74LS90 counting sequence is triggered on the clock signal's negative going edge, that is, when the clock signal CLK changes from logic 1 (HIGH) to logic 0. (LOW). R1 and R2 are counter "reset" pins, whereas S1 and S2 are set pins.
Shipping & Return

Shipping Policy

  • All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
  • Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

  • Return window: 7 days from receipt unless stated otherwise.
  • No refunds or replacements after the return window.
  • Returns are accepted only for non-working or damaged products.
  • Initiate return requests via a Support ticket or contact us at +91-8123057137.
  • Refunds are processed within 3–4 working days after inspection and approval.

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Customer Reviews

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Animesh
Value for money

The IC is the best for synchronous or asynchronous counting. I will buy more.

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