7490 Decade Counter
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4-bit binary decade counter IC
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Counts from 0 to 9 (decimal) and then resets
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Supports asynchronous reset and preset inputs
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Operates at standard TTL logic levels
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Commonly used in digital clocks, frequency dividers, and counters
25,00 EGP
In stock
In stock
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Description
7490 Decade Counter – Product Overview
The 7490 is a widely used 4-bit decade counter IC designed to count from 0 to 9 in binary-coded decimal (BCD) format. It is a versatile synchronous counter ideal for frequency division, digital clocks, and counting applications in digital circuits.
⚙️ Key Features
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✅ 4-Bit Decade Counter (Counts 0 to 9)
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✅ Synchronous Counter Operation for precise counting with no ripple delays
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✅ Asynchronous Reset and Set Inputs for flexible control
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✅ High-Speed Operation with typical propagation delay around 25ns
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✅ Standard TTL Logic Family compatible with most digital systems
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✅ Multiple Cascading Capability for higher counting ranges
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✅ Can Divide Frequency by 10 for timing applications
📋 Specifications
| Parameter | Description |
|---|---|
| IC Number | 7490 |
| Counter Type | Decade (0 to 9) |
| Number of Bits | 4 |
| Operating Voltage | 4.75V to 5.25V (Typical 5V) |
| Max Clock Frequency | Up to 25 MHz (typical) |
| Propagation Delay | Approx. 25 ns |
| Logic Family | TTL (Transistor-Transistor Logic) |
| Package Type | DIP-14 |
🎯 Applications
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Digital clocks and timers
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Frequency dividers
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Event counters
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Digital counters in calculators and measurement devices
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Sequential logic circuits
📦 Package Includes
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1 × 7490 Decade Counter IC (DIP-14)
Specification
General
| Weight Weight | 0,0000 g |
|---|
